From 6f8cf08fa56ed8076259cc992a35c8b283124a90 Mon Sep 17 00:00:00 2001 From: Bergmann89 Date: Sun, 21 Sep 2014 17:38:20 +0200 Subject: [PATCH] * renamed glBitmap and glBitmap types --- glBitmap.pas | 8660 ------------------------------------------------------- uglcBitmap.pas | 8666 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 8666 insertions(+), 8660 deletions(-) delete mode 100644 glBitmap.pas create mode 100644 uglcBitmap.pas diff --git a/glBitmap.pas b/glBitmap.pas deleted file mode 100644 index 1be10f8..0000000 --- a/glBitmap.pas +++ /dev/null @@ -1,8660 +0,0 @@ -{*********************************************************** -glBitmap by Steffen Xonna aka Lossy eX (2003-2008) -http://www.opengl24.de/index.php?cat=header&file=glbitmap - -modified by Delphi OpenGL Community (http://delphigl.com/) (2013) - ------------------------------------------------------------- -The contents of this file are used with permission, subject to -the Mozilla Public License Version 1.1 (the "License"); you may -not use this file except in compliance with the License. You may -obtain a copy of the License at -http://www.mozilla.org/MPL/MPL-1.1.html ------------------------------------------------------------- -Version 3.0.1 ------------------------------------------------------------- -History -20-11-2013 -- refactoring of the complete library -21-03-2010 -- The define GLB_DELPHI dosn't check versions anymore. If you say you are using delphi - then it's your problem if that isn't true. This prevents the unit for incompatibility - with newer versions of Delphi. -- Problems with D2009+ resolved (Thanks noeska and all i forgot) -- GetPixel isn't set if you are loading textures inside the constructor (Thanks Wilson) -10-08-2008 -- AddAlphaFromglBitmap used the custom pointer instead the imagedatapointer (Thanks Wilson) -- Additional Datapointer for functioninterface now has the name CustomData -24-07-2008 -- AssigneAlphaToBitmap overwrites his own palette (Thanks Wilson) -- If you load an texture from an file the property Filename will be set to the name of the file -- Three new properties to attach custom data to the Texture objects - - CustomName (free for use string) - - CustomNameW (free for use widestring) - - CustomDataPointer (free for use pointer to attach other objects or complex structures) -27-05-2008 -- RLE TGAs loaded much faster -26-05-2008 -- fixed some problem with reading RLE TGAs. -21-05-2008 -- function clone now only copys data if it's assigned and now it also copies the ID -- it seems that lazarus dont like comments in comments. -01-05-2008 -- It's possible to set the id of the texture -- define GLB_NO_NATIVE_GL deactivated by default -27-04-2008 -- Now supports the following libraries - - SDL and SDL_image - - libPNG - - libJPEG -- Linux compatibillity via free pascal compatibility (delphi sources optional) -- BMPs now loaded manuel -- Large restructuring -- Property DataPtr now has the name Data -- Functions are more flexible between RGB(A) and BGR(A). RGB can be saved as Bitmap and will be saved as BGR -- Unused Depth removed -- Function FreeData to freeing image data added -24-10-2007 -- ImageID flag of TGAs was ignored. (Thanks Zwoetzen) -15-11-2006 -- Function SetBorderColor implemented (only used by opengl if wrap is set to GL_CLAMP_TO_BORDER) -- Function AddAlphaFromValue implemented to use an fixed Value as Alphachannel -- Function ReadOpenGLExtension is now only intern -29-06-2006 -- pngimage now disabled by default like all other versions. -26-06-2006 -- Setting up an anisotropic filter of 0 isnt allowed by nvidia (Thanks Ogridi) -22-06-2006 -- Fixed some Problem with Delphi 5 -- Now uses the newest version of pngimage. Makes saving pngs much easier. -22-03-2006 -- Property IsCompressed and Size removed. Not really supported by Spec (Thanks Ogridi) -09-03-2006 -- Internal Format ifDepth8 added -- function GrabScreen now supports all uncompressed formats -31-01-2006 -- AddAlphaFromglBitmap implemented -29-12-2005 -- LoadFromResource and LoadFromResourceId now needs an Instance and an ResourceType (for ID) -28-12-2005 -- Width, Height and Depth internal changed to TglBitmapPixelPosition. - property Width, Height, Depth are still existing and new property Dimension are avail -11-12-2005 -- Added native OpenGL Support. Breaking the dglOpenGL "barrier". -19-10-2005 -- Added function GrabScreen to class TglBitmap2D -18-10-2005 -- Added support to Save images -- Added function Clone to Clone Instance -11-10-2005 -- Functions now works with Cardinals for each channel. Up to 32 Bits per channel. - Usefull for Future -- Several speed optimizations -09-10-2005 -- Internal structure change. Loading of TGA, PNG and DDS improved. - Data, format and size will now set directly with SetDataPtr. -- AddFunc now works with all Types of Images and Formats -- Some Funtions moved to Baseclass TglBitmap -06-10-2005 -- Added Support to decompress DXT3 and DXT5 compressed Images. -- Added Mapping to convert data from one format into an other. -05-10-2005 -- Added method ConvertTo in Class TglBitmap2D. Method allows to convert every - supported Input format (supported by GetPixel) into any uncompresed Format -- Added Support to decompress DXT1 compressed Images. -- SwapColors replaced by ConvertTo -04-10-2005 -- Added Support for compressed DDSs -- Added new internal formats (DXT1, DXT3, DXT5) -29-09-2005 -- Parameter Components renamed to InternalFormat -23-09-2005 -- Some AllocMem replaced with GetMem (little speed change) -- better exception handling. Better protection from memory leaks. -22-09-2005 -- Added support for Direct Draw Surfaces (.DDS) (uncompressed images only) -- Added new internal formats (RGB8, RGBA8, RGBA4, RGB5A1, RGB10A2, R5G6B5) -07-09-2005 -- Added support for Grayscale textures -- Added internal formats (Alpha, Luminance, LuminanceAlpha, BGR8, BGRA8) -10-07-2005 -- Added support for GL_VERSION_2_0 -- Added support for GL_EXT_texture_filter_anisotropic -04-07-2005 -- Function FillWithColor fills the Image with one Color -- Function LoadNormalMap added -30-06-2005 -- ToNormalMap allows to Create an NormalMap from the Alphachannel -- ToNormalMap now supports Sobel (nmSobel) function. -29-06-2005 -- support for RLE Compressed RGB TGAs added -28-06-2005 -- Class TglBitmapNormalMap added to support Normalmap generation -- Added function ToNormalMap in class TglBitmap2D to genereate normal maps from textures. - 3 Filters are supported. (4 Samples, 3x3 and 5x5) -16-06-2005 -- Method LoadCubeMapClass removed -- LoadCubeMap returnvalue is now the Texture paramter. Such as LoadTextures -- virtual abstract method GenTexture in class TglBitmap now is protected -12-06-2005 -- now support DescriptionFlag in LoadTga. Allows vertical flipped images to be loaded as normal -10-06-2005 -- little enhancement for IsPowerOfTwo -- TglBitmap1D.GenTexture now tests NPOT Textures -06-06-2005 -- some little name changes. All properties or function with Texture in name are - now without texture in name. We have allways texture so we dosn't name it. -03-06-2005 -- GenTexture now tests if texture is NPOT and NPOT-Texture are supported or - TextureTarget is GL_TEXTURE_RECTANGLE. Else it raised an exception. -02-06-2005 -- added support for GL_ARB_texture_rectangle, GL_EXT_texture_rectangle and GL_NV_texture_rectangle -25-04-2005 -- Function Unbind added -- call of SetFilter or SetTextureWrap if TextureID exists results in setting properties to opengl texture. -21-04-2005 -- class TglBitmapCubeMap added (allows to Create Cubemaps) -29-03-2005 -- Added Support for PNG Images. (http://pngdelphi.sourceforge.net/) - To Enable png's use the define pngimage -22-03-2005 -- New Functioninterface added -- Function GetPixel added -27-11-2004 -- Property BuildMipMaps renamed to MipMap -21-11-2004 -- property Name removed. -- BuildMipMaps is now a set of 3 values. None, GluBuildMipmaps and SGIS_generate_mipmap -22-05-2004 -- property name added. Only used in glForms! -26-11-2003 -- property FreeDataAfterGenTexture is now available as default (default = true) -- BuildMipmaps now implemented in TglBitmap1D (i've forgotten it) -- function MoveMemory replaced with function Move (little speed change) -- several calculations stored in variables (little speed change) -29-09-2003 -- property BuildMipsMaps added (default = true) - if BuildMipMaps isn't set GenTextures uses glTexImage[12]D else it use gluBuild[12]dMipmaps -- property FreeDataAfterGenTexture added (default = true) - if FreeDataAfterGenTexture is set the texturedata were deleted after the texture was generated. -- parameter DisableOtherTextureUnits of Bind removed -- parameter FreeDataAfterGeneration of GenTextures removed -12-09-2003 -- TglBitmap dosn't delete data if class was destroyed (fixed) -09-09-2003 -- Bind now enables TextureUnits (by params) -- GenTextures can leave data (by param) -- LoadTextures now optimal -03-09-2003 -- Performance optimization in AddFunc -- procedure Bind moved to subclasses -- Added new Class TglBitmap1D to support real OpenGL 1D Textures -19-08-2003 -- Texturefilter and texturewrap now also as defaults - Minfilter = GL_LINEAR_MIPMAP_LINEAR - Magfilter = GL_LINEAR - Wrap(str) = GL_CLAMP_TO_EDGE -- Added new format tfCompressed to create a compressed texture. -- propertys IsCompressed, TextureSize and IsResident added - IsCompressed and TextureSize only contains data from level 0 -18-08-2003 -- Added function AddFunc to add PerPixelEffects to Image -- LoadFromFunc now based on AddFunc -- Invert now based on AddFunc -- SwapColors now based on AddFunc -16-08-2003 -- Added function FlipHorz -15-08-2003 -- Added function LaodFromFunc to create images with function -- Added function FlipVert -- Added internal format RGB(A) if GL_EXT_bgra or OpenGL 1.2 isn't supported -29-07-2003 -- Added Alphafunctions to calculate alpha per function -- Added Alpha from ColorKey using alphafunctions -28-07-2003 -- First full functionally Version of glBitmap -- Support for 24Bit and 32Bit TGA Pictures added -25-07-2003 -- begin of programming -***********************************************************} -unit glBitmap; - -// Please uncomment the defines below to configure the glBitmap to your preferences. -// If you have configured the unit you can uncomment the warning above. -{$MESSAGE error 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'} - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// Preferences /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// activate to enable build-in OpenGL support with statically linked methods -// use dglOpenGL.pas if not enabled -{.$DEFINE GLB_NATIVE_OGL_STATIC} - -// activate to enable build-in OpenGL support with dynamically linked methods -// use dglOpenGL.pas if not enabled -{.$DEFINE GLB_NATIVE_OGL_DYNAMIC} - - -// activate to enable the support for SDL_surfaces -{.$DEFINE GLB_SDL} - -// activate to enable the support for Delphi (including support for Delphi's (not Lazarus') TBitmap) -{.$DEFINE GLB_DELPHI} - -// activate to enable the support for TLazIntfImage from Lazarus -{.$DEFINE GLB_LAZARUS} - - - -// activate to enable the support of SDL_image to load files. (READ ONLY) -// If you enable SDL_image all other libraries will be ignored! -{.$DEFINE GLB_SDL_IMAGE} - - - -// activate to enable Lazarus TPortableNetworkGraphic support -// if you enable this pngImage and libPNG will be ignored -{.$DEFINE GLB_LAZ_PNG} - -// activate to enable png support with the unit pngimage -> http://pngdelphi.sourceforge.net/ -// if you enable pngimage the libPNG will be ignored -{.$DEFINE GLB_PNGIMAGE} - -// activate to use the libPNG -> http://www.libpng.org/ -// You will need an aditional header -> http://www.opengl24.de/index.php?cat=header&file=libpng -{.$DEFINE GLB_LIB_PNG} - - - -// activate to enable Lazarus TJPEGImage support -// if you enable this delphi jpegs and libJPEG will be ignored -{.$DEFINE GLB_LAZ_JPEG} - -// if you enable delphi jpegs the libJPEG will be ignored -{.$DEFINE GLB_DELPHI_JPEG} - -// activate to use the libJPEG -> http://www.ijg.org/ -// You will need an aditional header -> http://www.opengl24.de/index.php?cat=header&file=libjpeg -{.$DEFINE GLB_LIB_JPEG} - - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// PRIVATE: do not change anything! ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// Delphi Versions -{$IFDEF fpc} - {$MODE Delphi} - - {$IFDEF CPUI386} - {$DEFINE CPU386} - {$ASMMODE INTEL} - {$ENDIF} - - {$IFNDEF WINDOWS} - {$linklib c} - {$ENDIF} -{$ENDIF} - -// Operation System -{$IF DEFINED(WIN32) or DEFINED(WIN64) or DEFINED(WINDOWS)} - {$DEFINE GLB_WIN} -{$ELSEIF DEFINED(LINUX)} - {$DEFINE GLB_LINUX} -{$IFEND} - -// native OpenGL Support -{$IF DEFINED(GLB_NATIVE_OGL_STATIC) OR DEFINED(GLB_NATIVE_OGL_DYNAMIC)} - {$DEFINE GLB_NATIVE_OGL} -{$IFEND} - -// checking define combinations -//SDL Image -{$IFDEF GLB_SDL_IMAGE} - {$IFNDEF GLB_SDL} - {$MESSAGE warn 'SDL_image won''t work without SDL. SDL will be activated.'} - {$DEFINE GLB_SDL} - {$ENDIF} - - {$IFDEF GLB_LAZ_PNG} - {$MESSAGE warn 'The Lazarus TPortableNetworkGraphics will be ignored because you are using SDL_image.'} - {$undef GLB_LAZ_PNG} - {$ENDIF} - - {$IFDEF GLB_PNGIMAGE} - {$MESSAGE warn 'The unit pngimage will be ignored because you are using SDL_image.'} - {$undef GLB_PNGIMAGE} - {$ENDIF} - - {$IFDEF GLB_LAZ_JPEG} - {$MESSAGE warn 'The Lazarus TJPEGImage will be ignored because you are using SDL_image.'} - {$undef GLB_LAZ_JPEG} - {$ENDIF} - - {$IFDEF GLB_DELPHI_JPEG} - {$MESSAGE warn 'The unit JPEG will be ignored because you are using SDL_image.'} - {$undef GLB_DELPHI_JPEG} - {$ENDIF} - - {$IFDEF GLB_LIB_PNG} - {$MESSAGE warn 'The library libPNG will be ignored because you are using SDL_image.'} - {$undef GLB_LIB_PNG} - {$ENDIF} - - {$IFDEF GLB_LIB_JPEG} - {$MESSAGE warn 'The library libJPEG will be ignored because you are using SDL_image.'} - {$undef GLB_LIB_JPEG} - {$ENDIF} - - {$DEFINE GLB_SUPPORT_PNG_READ} - {$DEFINE GLB_SUPPORT_JPEG_READ} -{$ENDIF} - -// Lazarus TPortableNetworkGraphic -{$IFDEF GLB_LAZ_PNG} - {$IFNDEF GLB_LAZARUS} - {$MESSAGE warn 'Lazarus TPortableNetworkGraphic won''t work without Lazarus. Lazarus will be activated.'} - {$DEFINE GLB_LAZARUS} - {$ENDIF} - - {$IFDEF GLB_PNGIMAGE} - {$MESSAGE warn 'The pngimage will be ignored if you are using Lazarus TPortableNetworkGraphic.'} - {$undef GLB_PNGIMAGE} - {$ENDIF} - - {$IFDEF GLB_LIB_PNG} - {$MESSAGE warn 'The library libPNG will be ignored if you are using Lazarus TPortableNetworkGraphic.'} - {$undef GLB_LIB_PNG} - {$ENDIF} - - {$DEFINE GLB_SUPPORT_PNG_READ} - {$DEFINE GLB_SUPPORT_PNG_WRITE} -{$ENDIF} - -// PNG Image -{$IFDEF GLB_PNGIMAGE} - {$IFDEF GLB_LIB_PNG} - {$MESSAGE warn 'The library libPNG will be ignored if you are using pngimage.'} - {$undef GLB_LIB_PNG} - {$ENDIF} - - {$DEFINE GLB_SUPPORT_PNG_READ} - {$DEFINE GLB_SUPPORT_PNG_WRITE} -{$ENDIF} - -// libPNG -{$IFDEF GLB_LIB_PNG} - {$DEFINE GLB_SUPPORT_PNG_READ} - {$DEFINE GLB_SUPPORT_PNG_WRITE} -{$ENDIF} - -// Lazarus TJPEGImage -{$IFDEF GLB_LAZ_JPEG} - {$IFNDEF GLB_LAZARUS} - {$MESSAGE warn 'Lazarus TJPEGImage won''t work without Lazarus. Lazarus will be activated.'} - {$DEFINE GLB_LAZARUS} - {$ENDIF} - - {$IFDEF GLB_DELPHI_JPEG} - {$MESSAGE warn 'The Delphi JPEGImage will be ignored if you are using the Lazarus TJPEGImage.'} - {$undef GLB_DELPHI_JPEG} - {$ENDIF} - - {$IFDEF GLB_LIB_JPEG} - {$MESSAGE warn 'The library libJPEG will be ignored if you are using the Lazarus TJPEGImage.'} - {$undef GLB_LIB_JPEG} - {$ENDIF} - - {$DEFINE GLB_SUPPORT_JPEG_READ} - {$DEFINE GLB_SUPPORT_JPEG_WRITE} -{$ENDIF} - -// JPEG Image -{$IFDEF GLB_DELPHI_JPEG} - {$IFDEF GLB_LIB_JPEG} - {$MESSAGE warn 'The library libJPEG will be ignored if you are using the unit JPEG.'} - {$undef GLB_LIB_JPEG} - {$ENDIF} - - {$DEFINE GLB_SUPPORT_JPEG_READ} - {$DEFINE GLB_SUPPORT_JPEG_WRITE} -{$ENDIF} - -// libJPEG -{$IFDEF GLB_LIB_JPEG} - {$DEFINE GLB_SUPPORT_JPEG_READ} - {$DEFINE GLB_SUPPORT_JPEG_WRITE} -{$ENDIF} - -// native OpenGL -{$IF DEFINED(GLB_NATIVE_OGL_STATIC) AND DEFINED(GLB_NATIVE_OGL_DYNAMIC)} - {$MESSAGE warn 'GLB_NATIVE_OGL_STATIC will be ignored because you enabled GLB_NATIVE_OGL_DYNAMIC'} -{$IFEND} - -// general options -{$EXTENDEDSYNTAX ON} -{$LONGSTRINGS ON} -{$ALIGN ON} -{$IFNDEF FPC} - {$OPTIMIZATION ON} -{$ENDIF} - -interface - -uses - {$IFNDEF GLB_NATIVE_OGL} dglOpenGL, {$ENDIF} - {$IF DEFINED(GLB_WIN) AND - (DEFINED(GLB_NATIVE_OGL) OR - DEFINED(GLB_DELPHI))} windows, {$IFEND} - - {$IFDEF GLB_SDL} SDL, {$ENDIF} - {$IFDEF GLB_LAZARUS} IntfGraphics, GraphType, Graphics, {$ENDIF} - {$IFDEF GLB_DELPHI} Dialogs, Graphics, Types, {$ENDIF} - - {$IFDEF GLB_SDL_IMAGE} SDL_image, {$ENDIF} - {$IFDEF GLB_PNGIMAGE} pngimage, {$ENDIF} - {$IFDEF GLB_LIB_PNG} libPNG, {$ENDIF} - {$IFDEF GLB_DELPHI_JPEG} JPEG, {$ENDIF} - {$IFDEF GLB_LIB_JPEG} libJPEG, {$ENDIF} - - Classes, SysUtils; - -{$IFDEF GLB_NATIVE_OGL} -const - GL_TRUE = 1; - GL_FALSE = 0; - - GL_ZERO = 0; - GL_ONE = 1; - - GL_VERSION = $1F02; - GL_EXTENSIONS = $1F03; - - GL_TEXTURE_1D = $0DE0; - GL_TEXTURE_2D = $0DE1; - GL_TEXTURE_RECTANGLE = $84F5; - - GL_NORMAL_MAP = $8511; - GL_TEXTURE_CUBE_MAP = $8513; - GL_REFLECTION_MAP = $8512; - GL_TEXTURE_CUBE_MAP_POSITIVE_X = $8515; - GL_TEXTURE_CUBE_MAP_NEGATIVE_X = $8516; - GL_TEXTURE_CUBE_MAP_POSITIVE_Y = $8517; - GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = $8518; - GL_TEXTURE_CUBE_MAP_POSITIVE_Z = $8519; - GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = $851A; - - GL_TEXTURE_WIDTH = $1000; - GL_TEXTURE_HEIGHT = $1001; - GL_TEXTURE_INTERNAL_FORMAT = $1003; - GL_TEXTURE_SWIZZLE_RGBA = $8E46; - - GL_S = $2000; - GL_T = $2001; - GL_R = $2002; - GL_Q = $2003; - - GL_TEXTURE_GEN_S = $0C60; - GL_TEXTURE_GEN_T = $0C61; - GL_TEXTURE_GEN_R = $0C62; - GL_TEXTURE_GEN_Q = $0C63; - - GL_RED = $1903; - GL_GREEN = $1904; - GL_BLUE = $1905; - - GL_ALPHA = $1906; - GL_ALPHA4 = $803B; - GL_ALPHA8 = $803C; - GL_ALPHA12 = $803D; - GL_ALPHA16 = $803E; - - GL_LUMINANCE = $1909; - GL_LUMINANCE4 = $803F; - GL_LUMINANCE8 = $8040; - GL_LUMINANCE12 = $8041; - GL_LUMINANCE16 = $8042; - - GL_LUMINANCE_ALPHA = $190A; - GL_LUMINANCE4_ALPHA4 = $8043; - GL_LUMINANCE6_ALPHA2 = $8044; - GL_LUMINANCE8_ALPHA8 = $8045; - GL_LUMINANCE12_ALPHA4 = $8046; - GL_LUMINANCE12_ALPHA12 = $8047; - GL_LUMINANCE16_ALPHA16 = $8048; - - GL_RGB = $1907; - GL_BGR = $80E0; - GL_R3_G3_B2 = $2A10; - GL_RGB4 = $804F; - GL_RGB5 = $8050; - GL_RGB565 = $8D62; - GL_RGB8 = $8051; - GL_RGB10 = $8052; - GL_RGB12 = $8053; - GL_RGB16 = $8054; - - GL_RGBA = $1908; - GL_BGRA = $80E1; - GL_RGBA2 = $8055; - GL_RGBA4 = $8056; - GL_RGB5_A1 = $8057; - GL_RGBA8 = $8058; - GL_RGB10_A2 = $8059; - GL_RGBA12 = $805A; - GL_RGBA16 = $805B; - - GL_DEPTH_COMPONENT = $1902; - GL_DEPTH_COMPONENT16 = $81A5; - GL_DEPTH_COMPONENT24 = $81A6; - GL_DEPTH_COMPONENT32 = $81A7; - - GL_COMPRESSED_RGB = $84ED; - GL_COMPRESSED_RGBA = $84EE; - GL_COMPRESSED_RGB_S3TC_DXT1_EXT = $83F0; - GL_COMPRESSED_RGBA_S3TC_DXT1_EXT = $83F1; - GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = $83F2; - GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = $83F3; - - GL_UNSIGNED_BYTE = $1401; - GL_UNSIGNED_BYTE_3_3_2 = $8032; - GL_UNSIGNED_BYTE_2_3_3_REV = $8362; - - GL_UNSIGNED_SHORT = $1403; - GL_UNSIGNED_SHORT_5_6_5 = $8363; - GL_UNSIGNED_SHORT_4_4_4_4 = $8033; - GL_UNSIGNED_SHORT_5_5_5_1 = $8034; - GL_UNSIGNED_SHORT_5_6_5_REV = $8364; - GL_UNSIGNED_SHORT_4_4_4_4_REV = $8365; - GL_UNSIGNED_SHORT_1_5_5_5_REV = $8366; - - GL_UNSIGNED_INT = $1405; - GL_UNSIGNED_INT_8_8_8_8 = $8035; - GL_UNSIGNED_INT_10_10_10_2 = $8036; - GL_UNSIGNED_INT_8_8_8_8_REV = $8367; - GL_UNSIGNED_INT_2_10_10_10_REV = $8368; - - { Texture Filter } - GL_TEXTURE_MAG_FILTER = $2800; - GL_TEXTURE_MIN_FILTER = $2801; - GL_NEAREST = $2600; - GL_NEAREST_MIPMAP_NEAREST = $2700; - GL_NEAREST_MIPMAP_LINEAR = $2702; - GL_LINEAR = $2601; - GL_LINEAR_MIPMAP_NEAREST = $2701; - GL_LINEAR_MIPMAP_LINEAR = $2703; - - { Texture Wrap } - GL_TEXTURE_WRAP_S = $2802; - GL_TEXTURE_WRAP_T = $2803; - GL_TEXTURE_WRAP_R = $8072; - GL_CLAMP = $2900; - GL_REPEAT = $2901; - GL_CLAMP_TO_EDGE = $812F; - GL_CLAMP_TO_BORDER = $812D; - GL_MIRRORED_REPEAT = $8370; - - { Other } - GL_GENERATE_MIPMAP = $8191; - GL_TEXTURE_BORDER_COLOR = $1004; - GL_MAX_TEXTURE_SIZE = $0D33; - GL_PACK_ALIGNMENT = $0D05; - GL_UNPACK_ALIGNMENT = $0CF5; - - GL_TEXTURE_MAX_ANISOTROPY_EXT = $84FE; - GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT = $84FF; - GL_MAX_CUBE_MAP_TEXTURE_SIZE = $851C; - GL_TEXTURE_GEN_MODE = $2500; - -{$IF DEFINED(GLB_WIN)} - libglu = 'glu32.dll'; - libopengl = 'opengl32.dll'; -{$ELSEIF DEFINED(GLB_LINUX)} - libglu = 'libGLU.so.1'; - libopengl = 'libGL.so.1'; -{$IFEND} - -type - GLboolean = BYTEBOOL; - GLint = Integer; - GLsizei = Integer; - GLuint = Cardinal; - GLfloat = Single; - GLenum = Cardinal; - - PGLvoid = Pointer; - PGLboolean = ^GLboolean; - PGLint = ^GLint; - PGLuint = ^GLuint; - PGLfloat = ^GLfloat; - - TglCompressedTexImage1D = procedure(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglCompressedTexImage2D = procedure(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetCompressedTexImage = procedure(target: GLenum; level: GLint; img: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - -{$IF DEFINED(GLB_WIN)} - TwglGetProcAddress = function (ProcName: PAnsiChar): Pointer; stdcall; -{$ELSEIF DEFINED(GLB_LINUX)} - TglXGetProcAddress = function(ProcName: PAnsiChar): Pointer; cdecl; - TglXGetProcAddressARB = function(const name: PAnsiChar): pointer; cdecl; -{$IFEND} - -{$IF DEFINED(GLB_NATIVE_OGL_DYNAMIC)} - TglEnable = procedure(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglDisable = procedure(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglGetString = function(name: GLenum): PAnsiChar; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetIntegerv = procedure(pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglTexParameteri = procedure(target: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglTexParameteriv = procedure(target: GLenum; pname: GLenum; const params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglTexParameterfv = procedure(target: GLenum; pname: GLenum; const params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexParameteriv = procedure(target: GLenum; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexParameterfv = procedure(target: GLenum; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexLevelParameteriv = procedure(target: GLenum; level: GLint; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexLevelParameterfv = procedure(target: GLenum; level: GLint; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglTexGeni = procedure(coord: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGenTextures = procedure(n: GLsizei; textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglBindTexture = procedure(target: GLenum; texture: GLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglDeleteTextures = procedure(n: GLsizei; const textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglAreTexturesResident = function(n: GLsizei; const textures: PGLuint; residences: PGLboolean): GLboolean; {$IFDEF DGL_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglReadPixels = procedure(x: GLint; y: GLint; width: GLsizei; height: GLsizei; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglPixelStorei = procedure(pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglTexImage1D = procedure(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglTexImage2D = procedure(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; height: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexImage = procedure(target: GLenum; level: GLint; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TgluBuild1DMipmaps = function(target: GLEnum; components, width: GLint; format, atype: GLEnum; const data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TgluBuild2DMipmaps = function(target: GLEnum; components, width, height: GLint; format, atype: GLEnum; const Data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - -{$ELSEIF DEFINED(GLB_NATIVE_OGL_STATIC)} - procedure glEnable(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glDisable(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - function glGetString(name: GLenum): PAnsiChar; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetIntegerv(pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - procedure glTexParameteri(target: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glTexParameteriv(target: GLenum; pname: GLenum; const params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glTexParameterfv(target: GLenum; pname: GLenum; const params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexParameteriv(target: GLenum; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexParameterfv(target: GLenum; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexLevelParameteriv(target: GLenum; level: GLint; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexLevelParameterfv(target: GLenum; level: GLint; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - procedure glTexGeni(coord: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGenTextures(n: GLsizei; textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glBindTexture(target: GLenum; texture: GLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glDeleteTextures(n: GLsizei; const textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - function glAreTexturesResident(n: GLsizei; const textures: PGLuint; residences: PGLboolean): GLboolean; {$IFDEF DGL_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glReadPixels(x: GLint; y: GLint; width: GLsizei; height: GLsizei; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glPixelStorei(pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - procedure glTexImage1D(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glTexImage2D(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; height: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexImage(target: GLenum; level: GLint; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - function gluBuild1DMipmaps(target: GLEnum; components, width: GLint; format, atype: GLEnum; const data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libglu; - function gluBuild2DMipmaps(target: GLEnum; components, width, height: GLint; format, atype: GLEnum; const Data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libglu; -{$IFEND} - -var - GL_VERSION_1_2, - GL_VERSION_1_3, - GL_VERSION_1_4, - GL_VERSION_2_0, - GL_VERSION_3_3, - - GL_SGIS_generate_mipmap, - - GL_ARB_texture_border_clamp, - GL_ARB_texture_mirrored_repeat, - GL_ARB_texture_rectangle, - GL_ARB_texture_non_power_of_two, - GL_ARB_texture_swizzle, - GL_ARB_texture_cube_map, - - GL_IBM_texture_mirrored_repeat, - - GL_NV_texture_rectangle, - - GL_EXT_texture_edge_clamp, - GL_EXT_texture_rectangle, - GL_EXT_texture_swizzle, - GL_EXT_texture_cube_map, - GL_EXT_texture_filter_anisotropic: Boolean; - - glCompressedTexImage1D: TglCompressedTexImage1D; - glCompressedTexImage2D: TglCompressedTexImage2D; - glGetCompressedTexImage: TglGetCompressedTexImage; - -{$IF DEFINED(GLB_WIN)} - wglGetProcAddress: TwglGetProcAddress; -{$ELSEIF DEFINED(GLB_LINUX)} - glXGetProcAddress: TglXGetProcAddress; - glXGetProcAddressARB: TglXGetProcAddress; -{$IFEND} - -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} - glEnable: TglEnable; - glDisable: TglDisable; - - glGetString: TglGetString; - glGetIntegerv: TglGetIntegerv; - - glTexParameteri: TglTexParameteri; - glTexParameteriv: TglTexParameteriv; - glTexParameterfv: TglTexParameterfv; - glGetTexParameteriv: TglGetTexParameteriv; - glGetTexParameterfv: TglGetTexParameterfv; - glGetTexLevelParameteriv: TglGetTexLevelParameteriv; - glGetTexLevelParameterfv: TglGetTexLevelParameterfv; - - glTexGeni: TglTexGeni; - glGenTextures: TglGenTextures; - glBindTexture: TglBindTexture; - glDeleteTextures: TglDeleteTextures; - - glAreTexturesResident: TglAreTexturesResident; - glReadPixels: TglReadPixels; - glPixelStorei: TglPixelStorei; - - glTexImage1D: TglTexImage1D; - glTexImage2D: TglTexImage2D; - glGetTexImage: TglGetTexImage; - - gluBuild1DMipmaps: TgluBuild1DMipmaps; - gluBuild2DMipmaps: TgluBuild2DMipmaps; -{$ENDIF} -{$ENDIF} - -type -//////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmapFormat = ( - tfEmpty = 0, //must be smallest value! - - tfAlpha4, - tfAlpha8, - tfAlpha12, - tfAlpha16, - - tfLuminance4, - tfLuminance8, - tfLuminance12, - tfLuminance16, - - tfLuminance4Alpha4, - tfLuminance6Alpha2, - tfLuminance8Alpha8, - tfLuminance12Alpha4, - tfLuminance12Alpha12, - tfLuminance16Alpha16, - - tfR3G3B2, - tfRGB4, - tfR5G6B5, - tfRGB5, - tfRGB8, - tfRGB10, - tfRGB12, - tfRGB16, - - tfRGBA2, - tfRGBA4, - tfRGB5A1, - tfRGBA8, - tfRGB10A2, - tfRGBA12, - tfRGBA16, - - tfBGR4, - tfB5G6R5, - tfBGR5, - tfBGR8, - tfBGR10, - tfBGR12, - tfBGR16, - - tfBGRA2, - tfBGRA4, - tfBGR5A1, - tfBGRA8, - tfBGR10A2, - tfBGRA12, - tfBGRA16, - - tfDepth16, - tfDepth24, - tfDepth32, - - tfS3tcDtx1RGBA, - tfS3tcDtx3RGBA, - tfS3tcDtx5RGBA - ); - - TglBitmapFileType = ( - {$IFDEF GLB_SUPPORT_PNG_WRITE} ftPNG, {$ENDIF} - {$IFDEF GLB_SUPPORT_JPEG_WRITE}ftJPEG, {$ENDIF} - ftDDS, - ftTGA, - ftBMP); - TglBitmapFileTypes = set of TglBitmapFileType; - - TglBitmapMipMap = ( - mmNone, - mmMipmap, - mmMipmapGlu); - - TglBitmapNormalMapFunc = ( - nm4Samples, - nmSobel, - nm3x3, - nm5x5); - - //////////////////////////////////////////////////////////////////////////////////////////////////// - EglBitmap = class(Exception); - EglBitmapNotSupported = class(Exception); - EglBitmapSizeToLarge = class(EglBitmap); - EglBitmapNonPowerOfTwo = class(EglBitmap); - EglBitmapUnsupportedFormat = class(EglBitmap) - public - constructor Create(const aFormat: TglBitmapFormat); overload; - constructor Create(const aMsg: String; const aFormat: TglBitmapFormat); overload; - end; - -//////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmapColorRec = packed record - case Integer of - 0: (r, g, b, a: Cardinal); - 1: (arr: array[0..3] of Cardinal); - end; - - TglBitmapPixelData = packed record - Data, Range: TglBitmapColorRec; - Format: TglBitmapFormat; - end; - PglBitmapPixelData = ^TglBitmapPixelData; - -//////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmapPixelPositionFields = set of (ffX, ffY); - TglBitmapPixelPosition = record - Fields : TglBitmapPixelPositionFields; - X : Word; - Y : Word; - end; - - TglBitmapFormatDescriptor = class(TObject) - protected - function GetIsCompressed: Boolean; virtual; abstract; - function GetHasRed: Boolean; virtual; abstract; - function GetHasGreen: Boolean; virtual; abstract; - function GetHasBlue: Boolean; virtual; abstract; - function GetHasAlpha: Boolean; virtual; abstract; - - function GetglDataFormat: GLenum; virtual; abstract; - function GetglFormat: GLenum; virtual; abstract; - function GetglInternalFormat: GLenum; virtual; abstract; - public - property IsCompressed: Boolean read GetIsCompressed; - property HasRed: Boolean read GetHasRed; - property HasGreen: Boolean read GetHasGreen; - property HasBlue: Boolean read GetHasBlue; - property HasAlpha: Boolean read GetHasAlpha; - - property glFormat: GLenum read GetglFormat; - property glInternalFormat: GLenum read GetglInternalFormat; - property glDataFormat: GLenum read GetglDataFormat; - public - class function GetByFormat(const aInternalFormat: GLenum): TglBitmapFormatDescriptor; - end; - -//////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmap = class; - TglBitmapFunctionRec = record - Sender: TglBitmap; - Size: TglBitmapPixelPosition; - Position: TglBitmapPixelPosition; - Source: TglBitmapPixelData; - Dest: TglBitmapPixelData; - Args: Pointer; - end; - TglBitmapFunction = procedure(var FuncRec: TglBitmapFunctionRec); - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmap = class - private - function GetFormatDesc: TglBitmapFormatDescriptor; - protected - fID: GLuint; - fTarget: GLuint; - fAnisotropic: Integer; - fDeleteTextureOnFree: Boolean; - fFreeDataOnDestroy: Boolean; - fFreeDataAfterGenTexture: Boolean; - fData: PByte; - fIsResident: GLboolean; - fBorderColor: array[0..3] of Single; - - fDimension: TglBitmapPixelPosition; - fMipMap: TglBitmapMipMap; - fFormat: TglBitmapFormat; - - // Mapping - fPixelSize: Integer; - fRowSize: Integer; - - // Filtering - fFilterMin: GLenum; - fFilterMag: GLenum; - - // TexturWarp - fWrapS: GLenum; - fWrapT: GLenum; - fWrapR: GLenum; - - //Swizzle - fSwizzle: array[0..3] of GLenum; - - // CustomData - fFilename: String; - fCustomName: String; - fCustomNameW: WideString; - fCustomData: Pointer; - - //Getter - function GetWidth: Integer; virtual; - function GetHeight: Integer; virtual; - - function GetFileWidth: Integer; virtual; - function GetFileHeight: Integer; virtual; - - //Setter - procedure SetCustomData(const aValue: Pointer); - procedure SetCustomName(const aValue: String); - procedure SetCustomNameW(const aValue: WideString); - procedure SetFreeDataOnDestroy(const aValue: Boolean); - procedure SetDeleteTextureOnFree(const aValue: Boolean); - procedure SetFormat(const aValue: TglBitmapFormat); - procedure SetFreeDataAfterGenTexture(const aValue: Boolean); - procedure SetID(const aValue: Cardinal); - procedure SetMipMap(const aValue: TglBitmapMipMap); - procedure SetTarget(const aValue: Cardinal); - procedure SetAnisotropic(const aValue: Integer); - - procedure CreateID; - procedure SetupParameters(out aBuildWithGlu: Boolean); - procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; - const aWidth: Integer = -1; const aHeight: Integer = -1); virtual; //be careful, aData could be freed by this method - procedure GenTexture(const aTestTextureSize: Boolean = true); virtual; abstract; - - function FlipHorz: Boolean; virtual; - function FlipVert: Boolean; virtual; - - property Width: Integer read GetWidth; - property Height: Integer read GetHeight; - - property FileWidth: Integer read GetFileWidth; - property FileHeight: Integer read GetFileHeight; - public - //Properties - property ID: Cardinal read fID write SetID; - property Target: Cardinal read fTarget write SetTarget; - property Format: TglBitmapFormat read fFormat write SetFormat; - property MipMap: TglBitmapMipMap read fMipMap write SetMipMap; - property Anisotropic: Integer read fAnisotropic write SetAnisotropic; - - property FormatDesc: TglBitmapFormatDescriptor read GetFormatDesc; - - property Filename: String read fFilename; - property CustomName: String read fCustomName write SetCustomName; - property CustomNameW: WideString read fCustomNameW write SetCustomNameW; - property CustomData: Pointer read fCustomData write SetCustomData; - - property DeleteTextureOnFree: Boolean read fDeleteTextureOnFree write SetDeleteTextureOnFree; - property FreeDataOnDestroy: Boolean read fFreeDataOnDestroy write SetFreeDataOnDestroy; - property FreeDataAfterGenTexture: Boolean read fFreeDataAfterGenTexture write SetFreeDataAfterGenTexture; - - property Dimension: TglBitmapPixelPosition read fDimension; - property Data: PByte read fData; - property IsResident: GLboolean read fIsResident; - - procedure AfterConstruction; override; - procedure BeforeDestruction; override; - - procedure PrepareResType(var aResource: String; var aResType: PChar); - - //Load - procedure LoadFromFile(const aFilename: String); - procedure LoadFromStream(const aStream: TStream); virtual; - procedure LoadFromFunc(const aSize: TglBitmapPixelPosition; const aFunc: TglBitmapFunction; - const aFormat: TglBitmapFormat; const aArgs: Pointer = nil); - procedure LoadFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar = nil); - procedure LoadFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); - - //Save - procedure SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType); - procedure SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); virtual; - - //Convert - function AddFunc(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: Pointer = nil): Boolean; overload; - function AddFunc(const aSource: TglBitmap; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; - const aFormat: TglBitmapFormat; const aArgs: Pointer = nil): Boolean; overload; - public - //Alpha & Co - {$IFDEF GLB_SDL} - function AssignToSurface(out aSurface: PSDL_Surface): Boolean; - function AssignFromSurface(const aSurface: PSDL_Surface): Boolean; - function AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; - function AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction = nil; - const aArgs: Pointer = nil): Boolean; - {$ENDIF} - - {$IFDEF GLB_DELPHI} - function AssignToBitmap(const aBitmap: TBitmap): Boolean; - function AssignFromBitmap(const aBitmap: TBitmap): Boolean; - function AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; - function AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction = nil; - const aArgs: Pointer = nil): Boolean; - {$ENDIF} - - {$IFDEF GLB_LAZARUS} - function AssignToLazIntfImage(const aImage: TLazIntfImage): Boolean; - function AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean; - function AssignAlphaToLazIntfImage(const aImage: TLazIntfImage): Boolean; - function AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction = nil; - const aArgs: Pointer = nil): Boolean; - {$ENDIF} - - function AddAlphaFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar = nil; - const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; - function AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; - const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; - - function AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer = nil): Boolean; virtual; - function AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; - function AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; - function AddAlphaFromGlBitmap(const aBitmap: TglBitmap; aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; - - function AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte = 0): Boolean; - function AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal = 0): Boolean; - function AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single = 0): Boolean; - - function AddAlphaFromValue(const aAlpha: Byte): Boolean; - function AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; - function AddAlphaFromValueFloat(const aAlpha: Single): Boolean; - - function RemoveAlpha: Boolean; virtual; - public - //Common - function Clone: TglBitmap; - function ConvertTo(const aFormat: TglBitmapFormat): Boolean; virtual; - procedure Invert(const aUseRGB: Boolean = true; const aUseAlpha: Boolean = false); - procedure SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); - procedure FreeData; - - //ColorFill - procedure FillWithColor(const aRed, aGreen, aBlue: Byte; const aAlpha: Byte = 255); - procedure FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal = $FFFFFFFF); - procedure FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha : Single = 1); - - //TexParameters - procedure SetFilter(const aMin, aMag: GLenum); - procedure SetWrap( - const S: GLenum = GL_CLAMP_TO_EDGE; - const T: GLenum = GL_CLAMP_TO_EDGE; - const R: GLenum = GL_CLAMP_TO_EDGE); - procedure SetSwizzle(const r, g, b, a: GLenum); - - procedure Bind(const aEnableTextureUnit: Boolean = true); virtual; - procedure Unbind(const aDisableTextureUnit: Boolean = true); virtual; - - //Constructors - constructor Create; overload; - constructor Create(const aFileName: String); overload; - constructor Create(const aStream: TStream); overload; - constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; aData: PByte = nil); overload; - constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer = nil); overload; - constructor Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil); overload; - constructor Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); overload; - private - {$IFDEF GLB_SUPPORT_PNG_READ} function LoadPNG(const aStream: TStream): Boolean; virtual; {$ENDIF} - {$ifdef GLB_SUPPORT_PNG_WRITE} procedure SavePNG(const aStream: TStream); virtual; {$ENDIF} - - {$IFDEF GLB_SUPPORT_JPEG_READ} function LoadJPEG(const aStream: TStream): Boolean; virtual; {$ENDIF} - {$IFDEF GLB_SUPPORT_JPEG_WRITE} procedure SaveJPEG(const aStream: TStream); virtual; {$ENDIF} - - function LoadBMP(const aStream: TStream): Boolean; virtual; - procedure SaveBMP(const aStream: TStream); virtual; - - function LoadTGA(const aStream: TStream): Boolean; virtual; - procedure SaveTGA(const aStream: TStream); virtual; - - function LoadDDS(const aStream: TStream): Boolean; virtual; - procedure SaveDDS(const aStream: TStream); virtual; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmap1D = class(TglBitmap) - protected - procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; - const aWidth: Integer = - 1; const aHeight: Integer = - 1); override; - procedure UploadData(const aBuildWithGlu: Boolean); - public - property Width; - procedure AfterConstruction; override; - function FlipHorz: Boolean; override; - procedure GenTexture(const aTestTextureSize: Boolean = true); override; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmap2D = class(TglBitmap) - protected - fLines: array of PByte; - function GetScanline(const aIndex: Integer): Pointer; - procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; - const aWidth: Integer = - 1; const aHeight: Integer = - 1); override; - procedure UploadData(const aTarget: GLenum; const aBuildWithGlu: Boolean); - public - property Width; - property Height; - property Scanline[const aIndex: Integer]: Pointer read GetScanline; - - procedure AfterConstruction; override; - - procedure GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat); - procedure GetDataFromTexture; - procedure GenTexture(const aTestTextureSize: Boolean = true); override; - - function FlipHorz: Boolean; override; - function FlipVert: Boolean; override; - - procedure ToNormalMap(const aFunc: TglBitmapNormalMapFunc = nm3x3; - const aScale: Single = 2; const aUseAlpha: Boolean = false); - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmapCubeMap = class(TglBitmap2D) - protected - fGenMode: Integer; - procedure GenTexture(const aTestTextureSize: Boolean = true); reintroduce; - public - procedure AfterConstruction; override; - procedure GenerateCubeMap(const aCubeTarget: Cardinal; const aTestTextureSize: Boolean = true); - procedure Bind(const aEnableTexCoordsGen: Boolean = true; const aEnableTextureUnit: Boolean = true); reintroduce; virtual; - procedure Unbind(const aDisableTexCoordsGen: Boolean = true; const aDisableTextureUnit: Boolean = true); reintroduce; virtual; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmapNormalMap = class(TglBitmapCubeMap) - public - procedure AfterConstruction; override; - procedure GenerateNormalMap(const aSize: Integer = 32; const aTestTextureSize: Boolean = true); - end; - -const - NULL_SIZE: TglBitmapPixelPosition = (Fields: []; X: 0; Y: 0); - -procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean); -procedure glBitmapSetDefaultFreeDataAfterGenTexture(const aFreeData: Boolean); -procedure glBitmapSetDefaultMipmap(const aValue: TglBitmapMipMap); -procedure glBitmapSetDefaultFormat(const aFormat: TglBitmapFormat); -procedure glBitmapSetDefaultFilter(const aMin, aMag: Integer); -procedure glBitmapSetDefaultWrap( - const S: Cardinal = GL_CLAMP_TO_EDGE; - const T: Cardinal = GL_CLAMP_TO_EDGE; - const R: Cardinal = GL_CLAMP_TO_EDGE); - -function glBitmapGetDefaultDeleteTextureOnFree: Boolean; -function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; -function glBitmapGetDefaultMipmap: TglBitmapMipMap; -function glBitmapGetDefaultFormat: TglBitmapFormat; -procedure glBitmapGetDefaultFilter(var aMin, aMag: Cardinal); -procedure glBitmapGetDefaultTextureWrap(var S, T, R: Cardinal); - -function glBitmapPosition(X: Integer = -1; Y: Integer = -1): TglBitmapPixelPosition; -function glBitmapColorRec(const r, g, b, a: Cardinal): TglBitmapColorRec; -function glBitmapColorRecCmp(const r1, r2: TglBitmapColorRec): Boolean; - -var - glBitmapDefaultDeleteTextureOnFree: Boolean; - glBitmapDefaultFreeDataAfterGenTextures: Boolean; - glBitmapDefaultFormat: TglBitmapFormat; - glBitmapDefaultMipmap: TglBitmapMipMap; - glBitmapDefaultFilterMin: Cardinal; - glBitmapDefaultFilterMag: Cardinal; - glBitmapDefaultWrapS: Cardinal; - glBitmapDefaultWrapT: Cardinal; - glBitmapDefaultWrapR: Cardinal; - glDefaultSwizzle: array[0..3] of GLenum; - -{$IFDEF GLB_DELPHI} -function CreateGrayPalette: HPALETTE; -{$ENDIF} - -implementation - -uses - Math, syncobjs, typinfo - {$IF DEFINED(GLB_SUPPORT_JPEG_READ) AND DEFINED(GLB_LAZ_JPEG)}, FPReadJPEG{$IFEND}; - -type -{$IFNDEF fpc} - QWord = System.UInt64; - PQWord = ^QWord; - - PtrInt = Longint; - PtrUInt = DWord; -{$ENDIF} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - TShiftRec = packed record - case Integer of - 0: (r, g, b, a: Byte); - 1: (arr: array[0..3] of Byte); - end; - - TFormatDescriptor = class(TglBitmapFormatDescriptor) - private - function GetRedMask: QWord; - function GetGreenMask: QWord; - function GetBlueMask: QWord; - function GetAlphaMask: QWord; - protected - fFormat: TglBitmapFormat; - fWithAlpha: TglBitmapFormat; - fWithoutAlpha: TglBitmapFormat; - fRGBInverted: TglBitmapFormat; - fUncompressed: TglBitmapFormat; - fPixelSize: Single; - fIsCompressed: Boolean; - - fRange: TglBitmapColorRec; - fShift: TShiftRec; - - fglFormat: GLenum; - fglInternalFormat: GLenum; - fglDataFormat: GLenum; - - function GetIsCompressed: Boolean; override; - function GetHasRed: Boolean; override; - function GetHasGreen: Boolean; override; - function GetHasBlue: Boolean; override; - function GetHasAlpha: Boolean; override; - - function GetglFormat: GLenum; override; - function GetglInternalFormat: GLenum; override; - function GetglDataFormat: GLenum; override; - - function GetComponents: Integer; virtual; - public - property Format: TglBitmapFormat read fFormat; - property WithAlpha: TglBitmapFormat read fWithAlpha; - property WithoutAlpha: TglBitmapFormat read fWithoutAlpha; - property RGBInverted: TglBitmapFormat read fRGBInverted; - property Components: Integer read GetComponents; - property PixelSize: Single read fPixelSize; - - property Range: TglBitmapColorRec read fRange; - property Shift: TShiftRec read fShift; - - property RedMask: QWord read GetRedMask; - property GreenMask: QWord read GetGreenMask; - property BlueMask: QWord read GetBlueMask; - property AlphaMask: QWord read GetAlphaMask; - - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); virtual; abstract; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); virtual; abstract; - - function GetSize(const aSize: TglBitmapPixelPosition): Integer; overload; virtual; - function GetSize(const aWidth, aHeight: Integer): Integer; overload; virtual; - - function CreateMappingData: Pointer; virtual; - procedure FreeMappingData(var aMappingData: Pointer); virtual; - - function IsEmpty: Boolean; virtual; - function MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: QWord): Boolean; virtual; - - procedure PreparePixel(out aPixel: TglBitmapPixelData); virtual; - - constructor Create; virtual; - public - class procedure Init; - class function Get(const aFormat: TglBitmapFormat): TFormatDescriptor; - class function GetWithAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor; - class procedure Clear; - class procedure Finalize; - end; - TFormatDescriptorClass = class of TFormatDescriptor; - - TfdEmpty = class(TFormatDescriptor); - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TfdAlpha_UB1 = class(TFormatDescriptor) //1* unsigned byte - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdLuminance_UB1 = class(TFormatDescriptor) //1* unsigned byte - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdUniversal_UB1 = class(TFormatDescriptor) //1* unsigned byte - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdLuminanceAlpha_UB2 = class(TfdLuminance_UB1) //2* unsigned byte - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdRGB_UB3 = class(TFormatDescriptor) //3* unsigned byte - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdBGR_UB3 = class(TFormatDescriptor) //3* unsigned byte (inverse) - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdRGBA_UB4 = class(TfdRGB_UB3) //4* unsigned byte - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdBGRA_UB4 = class(TfdBGR_UB3) //4* unsigned byte (inverse) - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TfdAlpha_US1 = class(TFormatDescriptor) //1* unsigned short - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdLuminance_US1 = class(TFormatDescriptor) //1* unsigned short - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdUniversal_US1 = class(TFormatDescriptor) //1* unsigned short - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdDepth_US1 = class(TFormatDescriptor) //1* unsigned short - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdLuminanceAlpha_US2 = class(TfdLuminance_US1) //2* unsigned short - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdRGB_US3 = class(TFormatDescriptor) //3* unsigned short - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdBGR_US3 = class(TFormatDescriptor) //3* unsigned short (inverse) - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdRGBA_US4 = class(TfdRGB_US3) //4* unsigned short - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdBGRA_US4 = class(TfdBGR_US3) //4* unsigned short (inverse) - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TfdUniversal_UI1 = class(TFormatDescriptor) //1* unsigned int - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdDepth_UI1 = class(TFormatDescriptor) //1* unsigned int - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TfdAlpha4 = class(TfdAlpha_UB1) - constructor Create; override; - end; - - TfdAlpha8 = class(TfdAlpha_UB1) - constructor Create; override; - end; - - TfdAlpha12 = class(TfdAlpha_US1) - constructor Create; override; - end; - - TfdAlpha16 = class(TfdAlpha_US1) - constructor Create; override; - end; - - TfdLuminance4 = class(TfdLuminance_UB1) - constructor Create; override; - end; - - TfdLuminance8 = class(TfdLuminance_UB1) - constructor Create; override; - end; - - TfdLuminance12 = class(TfdLuminance_US1) - constructor Create; override; - end; - - TfdLuminance16 = class(TfdLuminance_US1) - constructor Create; override; - end; - - TfdLuminance4Alpha4 = class(TfdLuminanceAlpha_UB2) - constructor Create; override; - end; - - TfdLuminance6Alpha2 = class(TfdLuminanceAlpha_UB2) - constructor Create; override; - end; - - TfdLuminance8Alpha8 = class(TfdLuminanceAlpha_UB2) - constructor Create; override; - end; - - TfdLuminance12Alpha4 = class(TfdLuminanceAlpha_US2) - constructor Create; override; - end; - - TfdLuminance12Alpha12 = class(TfdLuminanceAlpha_US2) - constructor Create; override; - end; - - TfdLuminance16Alpha16 = class(TfdLuminanceAlpha_US2) - constructor Create; override; - end; - - TfdR3G3B2 = class(TfdUniversal_UB1) - constructor Create; override; - end; - - TfdRGB4 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdR5G6B5 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdRGB5 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdRGB8 = class(TfdRGB_UB3) - constructor Create; override; - end; - - TfdRGB10 = class(TfdUniversal_UI1) - constructor Create; override; - end; - - TfdRGB12 = class(TfdRGB_US3) - constructor Create; override; - end; - - TfdRGB16 = class(TfdRGB_US3) - constructor Create; override; - end; - - TfdRGBA2 = class(TfdRGBA_UB4) - constructor Create; override; - end; - - TfdRGBA4 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdRGB5A1 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdRGBA8 = class(TfdRGBA_UB4) - constructor Create; override; - end; - - TfdRGB10A2 = class(TfdUniversal_UI1) - constructor Create; override; - end; - - TfdRGBA12 = class(TfdRGBA_US4) - constructor Create; override; - end; - - TfdRGBA16 = class(TfdRGBA_US4) - constructor Create; override; - end; - - TfdBGR4 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdB5G6R5 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdBGR5 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdBGR8 = class(TfdBGR_UB3) - constructor Create; override; - end; - - TfdBGR10 = class(TfdUniversal_UI1) - constructor Create; override; - end; - - TfdBGR12 = class(TfdBGR_US3) - constructor Create; override; - end; - - TfdBGR16 = class(TfdBGR_US3) - constructor Create; override; - end; - - TfdBGRA2 = class(TfdBGRA_UB4) - constructor Create; override; - end; - - TfdBGRA4 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdBGR5A1 = class(TfdUniversal_US1) - constructor Create; override; - end; - - TfdBGRA8 = class(TfdBGRA_UB4) - constructor Create; override; - end; - - TfdBGR10A2 = class(TfdUniversal_UI1) - constructor Create; override; - end; - - TfdBGRA12 = class(TfdBGRA_US4) - constructor Create; override; - end; - - TfdBGRA16 = class(TfdBGRA_US4) - constructor Create; override; - end; - - TfdDepth16 = class(TfdDepth_US1) - constructor Create; override; - end; - - TfdDepth24 = class(TfdDepth_UI1) - constructor Create; override; - end; - - TfdDepth32 = class(TfdDepth_UI1) - constructor Create; override; - end; - - TfdS3tcDtx1RGBA = class(TFormatDescriptor) - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdS3tcDtx3RGBA = class(TFormatDescriptor) - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - - TfdS3tcDtx5RGBA = class(TFormatDescriptor) - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - constructor Create; override; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TbmpBitfieldFormat = class(TFormatDescriptor) - private - procedure SetRedMask (const aValue: QWord); - procedure SetGreenMask(const aValue: QWord); - procedure SetBlueMask (const aValue: QWord); - procedure SetAlphaMask(const aValue: QWord); - - procedure Update(aMask: QWord; out aRange: Cardinal; out aShift: Byte); - public - property RedMask: QWord read GetRedMask write SetRedMask; - property GreenMask: QWord read GetGreenMask write SetGreenMask; - property BlueMask: QWord read GetBlueMask write SetBlueMask; - property AlphaMask: QWord read GetAlphaMask write SetAlphaMask; - - property PixelSize: Single read fPixelSize write fPixelSize; - - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - TbmpColorTableEnty = packed record - b, g, r, a: Byte; - end; - TbmpColorTable = array of TbmpColorTableEnty; - TbmpColorTableFormat = class(TFormatDescriptor) - private - fColorTable: TbmpColorTable; - public - property PixelSize: Single read fPixelSize write fPixelSize; - property ColorTable: TbmpColorTable read fColorTable write fColorTable; - property Range: TglBitmapColorRec read fRange write fRange; - property Shift: TShiftRec read fShift write fShift; - property Format: TglBitmapFormat read fFormat write fFormat; - - procedure CreateColorTable; - - procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; - procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; - destructor Destroy; override; - end; - -const - LUMINANCE_WEIGHT_R = 0.30; - LUMINANCE_WEIGHT_G = 0.59; - LUMINANCE_WEIGHT_B = 0.11; - - ALPHA_WEIGHT_R = 0.30; - ALPHA_WEIGHT_G = 0.59; - ALPHA_WEIGHT_B = 0.11; - - DEPTH_WEIGHT_R = 0.333333333; - DEPTH_WEIGHT_G = 0.333333333; - DEPTH_WEIGHT_B = 0.333333333; - - UNSUPPORTED_FORMAT = 'the given format isn''t supported by this function.'; - - FORMAT_DESCRIPTOR_CLASSES: array[TglBitmapFormat] of TFormatDescriptorClass = ( - TfdEmpty, - - TfdAlpha4, - TfdAlpha8, - TfdAlpha12, - TfdAlpha16, - - TfdLuminance4, - TfdLuminance8, - TfdLuminance12, - TfdLuminance16, - - TfdLuminance4Alpha4, - TfdLuminance6Alpha2, - TfdLuminance8Alpha8, - TfdLuminance12Alpha4, - TfdLuminance12Alpha12, - TfdLuminance16Alpha16, - - TfdR3G3B2, - TfdRGB4, - TfdR5G6B5, - TfdRGB5, - TfdRGB8, - TfdRGB10, - TfdRGB12, - TfdRGB16, - - TfdRGBA2, - TfdRGBA4, - TfdRGB5A1, - TfdRGBA8, - TfdRGB10A2, - TfdRGBA12, - TfdRGBA16, - - TfdBGR4, - TfdB5G6R5, - TfdBGR5, - TfdBGR8, - TfdBGR10, - TfdBGR12, - TfdBGR16, - - TfdBGRA2, - TfdBGRA4, - TfdBGR5A1, - TfdBGRA8, - TfdBGR10A2, - TfdBGRA12, - TfdBGRA16, - - TfdDepth16, - TfdDepth24, - TfdDepth32, - - TfdS3tcDtx1RGBA, - TfdS3tcDtx3RGBA, - TfdS3tcDtx5RGBA - ); - -var - FormatDescriptorCS: TCriticalSection; - FormatDescriptors: array[TglBitmapFormat] of TFormatDescriptor; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor EglBitmapUnsupportedFormat.Create(const aFormat: TglBitmapFormat); -begin - inherited Create('unsupported format: ' + GetEnumName(TypeInfo(TglBitmapFormat), Integer(aFormat))); -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor EglBitmapUnsupportedFormat.Create(const aMsg: String; const aFormat: TglBitmapFormat); -begin - inherited Create(aMsg + GetEnumName(TypeInfo(TglBitmapFormat), Integer(aFormat))); -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapPosition(X, Y: Integer): TglBitmapPixelPosition; -begin - result.Fields := []; - - if X >= 0 then - result.Fields := result.Fields + [ffX]; - if Y >= 0 then - result.Fields := result.Fields + [ffY]; - - result.X := Max(0, X); - result.Y := Max(0, Y); -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapColorRec(const r, g, b, a: Cardinal): TglBitmapColorRec; -begin - result.r := r; - result.g := g; - result.b := b; - result.a := a; -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapColorRecCmp(const r1, r2: TglBitmapColorRec): Boolean; -var - i: Integer; -begin - result := false; - for i := 0 to high(r1.arr) do - if (r1.arr[i] <> r2.arr[i]) then - exit; - result := true; -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapShiftRec(const r, g, b, a: Byte): TShiftRec; -begin - result.r := r; - result.g := g; - result.b := b; - result.a := a; -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function FormatGetSupportedFiles(const aFormat: TglBitmapFormat): TglBitmapFileTypes; -begin - result := []; - - if (aFormat in [ - //4 bbp - tfLuminance4, - - //8bpp - tfR3G3B2, tfLuminance8, - - //16bpp - tfRGB4, tfRGB5, tfR5G6B5, tfRGB5A1, tfRGBA4, - tfBGR4, tfBGR5, tfB5G6R5, tfBGR5A1, tfBGRA4, - - //24bpp - tfBGR8, tfRGB8, - - //32bpp - tfRGB10, tfRGB10A2, tfRGBA8, - tfBGR10, tfBGR10A2, tfBGRA8]) then - result := result + [ftBMP]; - - if (aFormat in [ - //8 bpp - tfLuminance8, tfAlpha8, - - //16 bpp - tfLuminance16, tfLuminance8Alpha8, - tfRGB5, tfRGB5A1, tfRGBA4, - tfBGR5, tfBGR5A1, tfBGRA4, - - //24 bpp - tfRGB8, tfBGR8, - - //32 bpp - tfRGB10A2, tfRGBA8, tfBGR10A2, tfBGRA8]) then - result := result + [ftTGA]; - - if (aFormat in [ - //8 bpp - tfAlpha8, tfLuminance8, tfLuminance4Alpha4, tfLuminance6Alpha2, - tfR3G3B2, tfRGBA2, tfBGRA2, - - //16 bpp - tfAlpha16, tfLuminance16, tfLuminance8Alpha8, tfLuminance12Alpha4, - tfRGB4, tfR5G6B5, tfRGB5, tfRGBA4, tfRGB5A1, - tfBGR4, tfB5G6R5, tfBGR5, tfBGRA4, tfBGR5A1, - - //24 bpp - tfRGB8, tfBGR8, - - //32 bbp - tfLuminance16Alpha16, - tfRGBA8, tfRGB10A2, - tfBGRA8, tfBGR10A2, - - //compressed - tfS3tcDtx1RGBA, tfS3tcDtx3RGBA, tfS3tcDtx5RGBA]) then - result := result + [ftDDS]; - - {$IFDEF GLB_SUPPORT_PNG_WRITE} - if aFormat in [ - tfAlpha8, tfLuminance8, tfLuminance8Alpha8, - tfRGB8, tfRGBA8, - tfBGR8, tfBGRA8] then - result := result + [ftPNG]; - {$ENDIF} - - {$IFDEF GLB_SUPPORT_JPEG_WRITE} - if aFormat in [tfAlpha8, tfLuminance8, tfRGB8, tfBGR8] then - result := result + [ftJPEG]; - {$ENDIF} -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function IsPowerOfTwo(aNumber: Integer): Boolean; -begin - while (aNumber and 1) = 0 do - aNumber := aNumber shr 1; - result := aNumber = 1; -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function GetTopMostBit(aBitSet: QWord): Integer; -begin - result := 0; - while aBitSet > 0 do begin - inc(result); - aBitSet := aBitSet shr 1; - end; -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function CountSetBits(aBitSet: QWord): Integer; -begin - result := 0; - while aBitSet > 0 do begin - if (aBitSet and 1) = 1 then - inc(result); - aBitSet := aBitSet shr 1; - end; -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function LuminanceWeight(const aPixel: TglBitmapPixelData): Cardinal; -begin - result := Trunc( - LUMINANCE_WEIGHT_R * aPixel.Data.r + - LUMINANCE_WEIGHT_G * aPixel.Data.g + - LUMINANCE_WEIGHT_B * aPixel.Data.b); -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function DepthWeight(const aPixel: TglBitmapPixelData): Cardinal; -begin - result := Trunc( - DEPTH_WEIGHT_R * aPixel.Data.r + - DEPTH_WEIGHT_G * aPixel.Data.g + - DEPTH_WEIGHT_B * aPixel.Data.b); -end; - -{$IFDEF GLB_NATIVE_OGL} -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//OpenGLInitialization/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -var - GL_LibHandle: Pointer = nil; - -function glbGetProcAddress(aProcName: PAnsiChar; aLibHandle: Pointer = nil; const aRaiseOnErr: Boolean = true): Pointer; -begin - if not Assigned(aLibHandle) then - aLibHandle := GL_LibHandle; - -{$IF DEFINED(GLB_WIN)} - result := GetProcAddress({%H-}HMODULE(aLibHandle), aProcName); - if Assigned(result) then - exit; - - if Assigned(wglGetProcAddress) then - result := wglGetProcAddress(aProcName); -{$ELSEIF DEFINED(GLB_LINUX)} - if Assigned(glXGetProcAddress) then begin - result := glXGetProcAddress(aProcName); - if Assigned(result) then - exit; - end; - - if Assigned(glXGetProcAddressARB) then begin - result := glXGetProcAddressARB(aProcName); - if Assigned(result) then - exit; - end; - - result := dlsym(aLibHandle, aProcName); -{$IFEND} - if not Assigned(result) and aRaiseOnErr then - raise EglBitmap.Create('unable to load procedure form library: ' + aProcName); -end; - -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} -var - GLU_LibHandle: Pointer = nil; - OpenGLInitialized: Boolean; - InitOpenGLCS: TCriticalSection; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glbInitOpenGL; - - //////////////////////////////////////////////////////////////////////////////// - function glbLoadLibrary(const aName: PChar): Pointer; - begin - {$IF DEFINED(GLB_WIN)} - result := {%H-}Pointer(LoadLibrary(aName)); - {$ELSEIF DEFINED(GLB_LINUX)} - result := dlopen(Name, RTLD_LAZY); - {$ELSE} - result := nil; - {$IFEND} - end; - - //////////////////////////////////////////////////////////////////////////////// - function glbFreeLibrary(const aLibHandle: Pointer): Boolean; - begin - result := false; - if not Assigned(aLibHandle) then - exit; - - {$IF DEFINED(GLB_WIN)} - Result := FreeLibrary({%H-}HINST(aLibHandle)); - {$ELSEIF DEFINED(GLB_LINUX)} - Result := dlclose(aLibHandle) = 0; - {$IFEND} - end; - -begin - if Assigned(GL_LibHandle) then - glbFreeLibrary(GL_LibHandle); - - if Assigned(GLU_LibHandle) then - glbFreeLibrary(GLU_LibHandle); - - GL_LibHandle := glbLoadLibrary(libopengl); - if not Assigned(GL_LibHandle) then - raise EglBitmap.Create('unable to load library: ' + libopengl); - - GLU_LibHandle := glbLoadLibrary(libglu); - if not Assigned(GLU_LibHandle) then - raise EglBitmap.Create('unable to load library: ' + libglu); - -{$IF DEFINED(GLB_WIN)} - wglGetProcAddress := glbGetProcAddress('wglGetProcAddress'); -{$ELSEIF DEFINED(GLB_LINUX)} - glXGetProcAddress := glbGetProcAddress('glXGetProcAddress'); - glXGetProcAddressARB := glbGetProcAddress('glXGetProcAddressARB'); -{$IFEND} - - glEnable := glbGetProcAddress('glEnable'); - glDisable := glbGetProcAddress('glDisable'); - glGetString := glbGetProcAddress('glGetString'); - glGetIntegerv := glbGetProcAddress('glGetIntegerv'); - glTexParameteri := glbGetProcAddress('glTexParameteri'); - glTexParameteriv := glbGetProcAddress('glTexParameteriv'); - glTexParameterfv := glbGetProcAddress('glTexParameterfv'); - glGetTexParameteriv := glbGetProcAddress('glGetTexParameteriv'); - glGetTexParameterfv := glbGetProcAddress('glGetTexParameterfv'); - glGetTexLevelParameteriv := glbGetProcAddress('glGetTexLevelParameteriv'); - glGetTexLevelParameterfv := glbGetProcAddress('glGetTexLevelParameterfv'); - glTexGeni := glbGetProcAddress('glTexGeni'); - glGenTextures := glbGetProcAddress('glGenTextures'); - glBindTexture := glbGetProcAddress('glBindTexture'); - glDeleteTextures := glbGetProcAddress('glDeleteTextures'); - glAreTexturesResident := glbGetProcAddress('glAreTexturesResident'); - glReadPixels := glbGetProcAddress('glReadPixels'); - glPixelStorei := glbGetProcAddress('glPixelStorei'); - glTexImage1D := glbGetProcAddress('glTexImage1D'); - glTexImage2D := glbGetProcAddress('glTexImage2D'); - glGetTexImage := glbGetProcAddress('glGetTexImage'); - - gluBuild1DMipmaps := glbGetProcAddress('gluBuild1DMipmaps', GLU_LibHandle); - gluBuild2DMipmaps := glbGetProcAddress('gluBuild2DMipmaps', GLU_LibHandle); -end; -{$ENDIF} - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glbReadOpenGLExtensions; -var - Buffer: AnsiString; - MajorVersion, MinorVersion: Integer; - - /////////////////////////////////////////////////////////////////////////////////////////// - procedure TrimVersionString(aBuffer: AnsiString; out aMajor, aMinor: Integer); - var - Separator: Integer; - begin - aMinor := 0; - aMajor := 0; - - Separator := Pos(AnsiString('.'), aBuffer); - if (Separator > 1) and (Separator < Length(aBuffer)) and - (aBuffer[Separator - 1] in ['0'..'9']) and - (aBuffer[Separator + 1] in ['0'..'9']) then begin - - Dec(Separator); - while (Separator > 0) and (aBuffer[Separator] in ['0'..'9']) do - Dec(Separator); - - Delete(aBuffer, 1, Separator); - Separator := Pos(AnsiString('.'), aBuffer) + 1; - - while (Separator <= Length(aBuffer)) and (AnsiChar(aBuffer[Separator]) in ['0'..'9']) do - Inc(Separator); - - Delete(aBuffer, Separator, 255); - Separator := Pos(AnsiString('.'), aBuffer); - - aMajor := StrToInt(Copy(String(aBuffer), 1, Separator - 1)); - aMinor := StrToInt(Copy(String(aBuffer), Separator + 1, 1)); - end; - end; - - /////////////////////////////////////////////////////////////////////////////////////////// - function CheckExtension(const Extension: AnsiString): Boolean; - var - ExtPos: Integer; - begin - ExtPos := Pos(Extension, Buffer); - result := ExtPos > 0; - if result then - result := ((ExtPos + Length(Extension) - 1) = Length(Buffer)) or not (Buffer[ExtPos + Length(Extension)] in ['_', 'A'..'Z', 'a'..'z']); - end; - - /////////////////////////////////////////////////////////////////////////////////////////// - function CheckVersion(const aMajor, aMinor: Integer): Boolean; - begin - result := (MajorVersion > aMajor) or ((MajorVersion = aMajor) and (MinorVersion >= aMinor)); - end; - -begin -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} - InitOpenGLCS.Enter; - try - if not OpenGLInitialized then begin - glbInitOpenGL; - OpenGLInitialized := true; - end; - finally - InitOpenGLCS.Leave; - end; -{$ENDIF} - - // Version - Buffer := glGetString(GL_VERSION); - TrimVersionString(Buffer, MajorVersion, MinorVersion); - - GL_VERSION_1_2 := CheckVersion(1, 2); - GL_VERSION_1_3 := CheckVersion(1, 3); - GL_VERSION_1_4 := CheckVersion(1, 4); - GL_VERSION_2_0 := CheckVersion(2, 0); - GL_VERSION_3_3 := CheckVersion(3, 3); - - // Extensions - Buffer := glGetString(GL_EXTENSIONS); - GL_ARB_texture_border_clamp := CheckExtension('GL_ARB_texture_border_clamp'); - GL_ARB_texture_non_power_of_two := CheckExtension('GL_ARB_texture_non_power_of_two'); - GL_ARB_texture_swizzle := CheckExtension('GL_ARB_texture_swizzle'); - GL_ARB_texture_cube_map := CheckExtension('GL_ARB_texture_cube_map'); - GL_ARB_texture_rectangle := CheckExtension('GL_ARB_texture_rectangle'); - GL_ARB_texture_mirrored_repeat := CheckExtension('GL_ARB_texture_mirrored_repeat'); - GL_EXT_texture_edge_clamp := CheckExtension('GL_EXT_texture_edge_clamp'); - GL_EXT_texture_filter_anisotropic := CheckExtension('GL_EXT_texture_filter_anisotropic'); - GL_EXT_texture_rectangle := CheckExtension('GL_EXT_texture_rectangle'); - GL_EXT_texture_swizzle := CheckExtension('GL_EXT_texture_swizzle'); - GL_EXT_texture_cube_map := CheckExtension('GL_EXT_texture_cube_map'); - GL_NV_texture_rectangle := CheckExtension('GL_NV_texture_rectangle'); - GL_IBM_texture_mirrored_repeat := CheckExtension('GL_IBM_texture_mirrored_repeat'); - GL_SGIS_generate_mipmap := CheckExtension('GL_SGIS_generate_mipmap'); - - if GL_VERSION_1_3 then begin - glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1D'); - glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2D'); - glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImage'); - end else begin - glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1DARB', nil, false); - glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2DARB', nil, false); - glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImageARB', nil, false); - end; -end; -{$ENDIF} - -{$IFDEF GLB_SDL_IMAGE} -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// SDL Image Helper ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapRWseek(context: PSDL_RWops; offset: Integer; whence: Integer): Integer; cdecl; -begin - result := TStream(context^.unknown.data1).Seek(offset, whence); -end; - -function glBitmapRWread(context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer): Integer; cdecl; -begin - result := TStream(context^.unknown.data1).Read(Ptr^, size * maxnum); -end; - -function glBitmapRWwrite(context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer): Integer; cdecl; -begin - result := TStream(context^.unknown.data1).Write(Ptr^, size * num); -end; - -function glBitmapRWclose(context: PSDL_RWops): Integer; cdecl; -begin - result := 0; -end; - -function glBitmapCreateRWops(Stream: TStream): PSDL_RWops; -begin - result := SDL_AllocRW; - - if result = nil then - raise EglBitmapException.Create('glBitmapCreateRWops - SDL_AllocRW failed.'); - - result^.seek := glBitmapRWseek; - result^.read := glBitmapRWread; - result^.write := glBitmapRWwrite; - result^.close := glBitmapRWclose; - result^.unknown.data1 := Stream; -end; -{$ENDIF} - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean); -begin - glBitmapDefaultDeleteTextureOnFree := aDeleteTextureOnFree; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapSetDefaultFreeDataAfterGenTexture(const aFreeData: Boolean); -begin - glBitmapDefaultFreeDataAfterGenTextures := aFreeData; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapSetDefaultMipmap(const aValue: TglBitmapMipMap); -begin - glBitmapDefaultMipmap := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapSetDefaultFormat(const aFormat: TglBitmapFormat); -begin - glBitmapDefaultFormat := aFormat; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapSetDefaultFilter(const aMin, aMag: Integer); -begin - glBitmapDefaultFilterMin := aMin; - glBitmapDefaultFilterMag := aMag; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapSetDefaultWrap(const S: Cardinal = GL_CLAMP_TO_EDGE; const T: Cardinal = GL_CLAMP_TO_EDGE; const R: Cardinal = GL_CLAMP_TO_EDGE); -begin - glBitmapDefaultWrapS := S; - glBitmapDefaultWrapT := T; - glBitmapDefaultWrapR := R; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapSetDefaultSwizzle(const r: GLenum = GL_RED; g: GLenum = GL_GREEN; b: GLenum = GL_BLUE; a: GLenum = GL_ALPHA); -begin - glDefaultSwizzle[0] := r; - glDefaultSwizzle[1] := g; - glDefaultSwizzle[2] := b; - glDefaultSwizzle[3] := a; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapGetDefaultDeleteTextureOnFree: Boolean; -begin - result := glBitmapDefaultDeleteTextureOnFree; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; -begin - result := glBitmapDefaultFreeDataAfterGenTextures; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapGetDefaultMipmap: TglBitmapMipMap; -begin - result := glBitmapDefaultMipmap; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmapGetDefaultFormat: TglBitmapFormat; -begin - result := glBitmapDefaultFormat; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapGetDefaultFilter(var aMin, aMag: GLenum); -begin - aMin := glBitmapDefaultFilterMin; - aMag := glBitmapDefaultFilterMag; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapGetDefaultTextureWrap(var S, T, R: GLenum); -begin - S := glBitmapDefaultWrapS; - T := glBitmapDefaultWrapT; - R := glBitmapDefaultWrapR; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapGetDefaultSwizzle(var r, g, b, a: GLenum); -begin - r := glDefaultSwizzle[0]; - g := glDefaultSwizzle[1]; - b := glDefaultSwizzle[2]; - a := glDefaultSwizzle[3]; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetRedMask: QWord; -begin - result := fRange.r shl fShift.r; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetGreenMask: QWord; -begin - result := fRange.g shl fShift.g; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetBlueMask: QWord; -begin - result := fRange.b shl fShift.b; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetAlphaMask: QWord; -begin - result := fRange.a shl fShift.a; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetIsCompressed: Boolean; -begin - result := fIsCompressed; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetHasRed: Boolean; -begin - result := (fRange.r > 0); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetHasGreen: Boolean; -begin - result := (fRange.g > 0); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetHasBlue: Boolean; -begin - result := (fRange.b > 0); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetHasAlpha: Boolean; -begin - result := (fRange.a > 0); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetglFormat: GLenum; -begin - result := fglFormat; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetglInternalFormat: GLenum; -begin - result := fglInternalFormat; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetglDataFormat: GLenum; -begin - result := fglDataFormat; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetComponents: Integer; -var - i: Integer; -begin - result := 0; - for i := 0 to 3 do - if (fRange.arr[i] > 0) then - inc(result); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetSize(const aSize: TglBitmapPixelPosition): Integer; -var - w, h: Integer; -begin - if (ffX in aSize.Fields) or (ffY in aSize.Fields) then begin - w := Max(1, aSize.X); - h := Max(1, aSize.Y); - result := GetSize(w, h); - end else - result := 0; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.GetSize(const aWidth, aHeight: Integer): Integer; -begin - result := 0; - if (aWidth <= 0) or (aHeight <= 0) then - exit; - result := Ceil(aWidth * aHeight * fPixelSize); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.CreateMappingData: Pointer; -begin - result := nil; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TFormatDescriptor.FreeMappingData(var aMappingData: Pointer); -begin - //DUMMY -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.IsEmpty: Boolean; -begin - result := (fFormat = tfEmpty); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TFormatDescriptor.MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: QWord): Boolean; -begin - result := false; - if (aRedMask = 0) and (aGreenMask = 0) and (aBlueMask = 0) and (aAlphaMask = 0) then - raise EglBitmap.Create('FormatCheckFormat - All Masks are 0'); - if (aRedMask <> RedMask) then - exit; - if (aGreenMask <> GreenMask) then - exit; - if (aBlueMask <> BlueMask) then - exit; - if (aAlphaMask <> AlphaMask) then - exit; - result := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TFormatDescriptor.PreparePixel(out aPixel: TglBitmapPixelData); -begin - FillChar(aPixel{%H-}, SizeOf(aPixel), 0); - aPixel.Data := fRange; - aPixel.Range := fRange; - aPixel.Format := fFormat; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TFormatDescriptor.Create; -begin - inherited Create; - - fFormat := tfEmpty; - fWithAlpha := tfEmpty; - fWithoutAlpha := tfEmpty; - fRGBInverted := tfEmpty; - fUncompressed := tfEmpty; - fPixelSize := 0.0; - fIsCompressed := false; - - fglFormat := 0; - fglInternalFormat := 0; - fglDataFormat := 0; - - FillChar(fRange, 0, SizeOf(fRange)); - FillChar(fShift, 0, SizeOf(fShift)); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdAlpha_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdAlpha_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - aData^ := aPixel.Data.a; - inc(aData); -end; - -procedure TfdAlpha_UB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.r := 0; - aPixel.Data.g := 0; - aPixel.Data.b := 0; - aPixel.Data.a := aData^; - inc(aData); -end; - -constructor TfdAlpha_UB1.Create; -begin - inherited Create; - fPixelSize := 1.0; - fRange.a := $FF; - fglFormat := GL_ALPHA; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdLuminance_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdLuminance_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - aData^ := LuminanceWeight(aPixel); - inc(aData); -end; - -procedure TfdLuminance_UB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.r := aData^; - aPixel.Data.g := aData^; - aPixel.Data.b := aData^; - aPixel.Data.a := 0; - inc(aData); -end; - -constructor TfdLuminance_UB1.Create; -begin - inherited Create; - fPixelSize := 1.0; - fRange.r := $FF; - fRange.g := $FF; - fRange.b := $FF; - fglFormat := GL_LUMINANCE; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdUniversal_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdUniversal_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -var - i: Integer; -begin - aData^ := 0; - for i := 0 to 3 do - if (fRange.arr[i] > 0) then - aData^ := aData^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]); - inc(aData); -end; - -procedure TfdUniversal_UB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -var - i: Integer; -begin - for i := 0 to 3 do - aPixel.Data.arr[i] := (aData^ shr fShift.arr[i]) and fRange.arr[i]; - inc(aData); -end; - -constructor TfdUniversal_UB1.Create; -begin - inherited Create; - fPixelSize := 1.0; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdLuminanceAlpha_UB2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdLuminanceAlpha_UB2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - inherited Map(aPixel, aData, aMapData); - aData^ := aPixel.Data.a; - inc(aData); -end; - -procedure TfdLuminanceAlpha_UB2.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - inherited Unmap(aData, aPixel, aMapData); - aPixel.Data.a := aData^; - inc(aData); -end; - -constructor TfdLuminanceAlpha_UB2.Create; -begin - inherited Create; - fPixelSize := 2.0; - fRange.a := $FF; - fShift.a := 8; - fglFormat := GL_LUMINANCE_ALPHA; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdRGB_UB3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdRGB_UB3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - aData^ := aPixel.Data.r; - inc(aData); - aData^ := aPixel.Data.g; - inc(aData); - aData^ := aPixel.Data.b; - inc(aData); -end; - -procedure TfdRGB_UB3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.r := aData^; - inc(aData); - aPixel.Data.g := aData^; - inc(aData); - aPixel.Data.b := aData^; - inc(aData); - aPixel.Data.a := 0; -end; - -constructor TfdRGB_UB3.Create; -begin - inherited Create; - fPixelSize := 3.0; - fRange.r := $FF; - fRange.g := $FF; - fRange.b := $FF; - fShift.r := 0; - fShift.g := 8; - fShift.b := 16; - fglFormat := GL_RGB; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdBGR_UB3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdBGR_UB3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - aData^ := aPixel.Data.b; - inc(aData); - aData^ := aPixel.Data.g; - inc(aData); - aData^ := aPixel.Data.r; - inc(aData); -end; - -procedure TfdBGR_UB3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.b := aData^; - inc(aData); - aPixel.Data.g := aData^; - inc(aData); - aPixel.Data.r := aData^; - inc(aData); - aPixel.Data.a := 0; -end; - -constructor TfdBGR_UB3.Create; -begin - fPixelSize := 3.0; - fRange.r := $FF; - fRange.g := $FF; - fRange.b := $FF; - fShift.r := 16; - fShift.g := 8; - fShift.b := 0; - fglFormat := GL_BGR; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TdfRGBA_UB4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdRGBA_UB4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - inherited Map(aPixel, aData, aMapData); - aData^ := aPixel.Data.a; - inc(aData); -end; - -procedure TfdRGBA_UB4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - inherited Unmap(aData, aPixel, aMapData); - aPixel.Data.a := aData^; - inc(aData); -end; - -constructor TfdRGBA_UB4.Create; -begin - inherited Create; - fPixelSize := 4.0; - fRange.a := $FF; - fShift.a := 24; - fglFormat := GL_RGBA; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdBGRA_UB4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdBGRA_UB4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - inherited Map(aPixel, aData, aMapData); - aData^ := aPixel.Data.a; - inc(aData); -end; - -procedure TfdBGRA_UB4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - inherited Unmap(aData, aPixel, aMapData); - aPixel.Data.a := aData^; - inc(aData); -end; - -constructor TfdBGRA_UB4.Create; -begin - inherited Create; - fPixelSize := 4.0; - fRange.a := $FF; - fShift.a := 24; - fglFormat := GL_BGRA; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdAlpha_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdAlpha_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - PWord(aData)^ := aPixel.Data.a; - inc(aData, 2); -end; - -procedure TfdAlpha_US1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.r := 0; - aPixel.Data.g := 0; - aPixel.Data.b := 0; - aPixel.Data.a := PWord(aData)^; - inc(aData, 2); -end; - -constructor TfdAlpha_US1.Create; -begin - inherited Create; - fPixelSize := 2.0; - fRange.a := $FFFF; - fglFormat := GL_ALPHA; - fglDataFormat := GL_UNSIGNED_SHORT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdLuminance_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdLuminance_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - PWord(aData)^ := LuminanceWeight(aPixel); - inc(aData, 2); -end; - -procedure TfdLuminance_US1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.r := PWord(aData)^; - aPixel.Data.g := PWord(aData)^; - aPixel.Data.b := PWord(aData)^; - aPixel.Data.a := 0; - inc(aData, 2); -end; - -constructor TfdLuminance_US1.Create; -begin - inherited Create; - fPixelSize := 2.0; - fRange.r := $FFFF; - fRange.g := $FFFF; - fRange.b := $FFFF; - fglFormat := GL_LUMINANCE; - fglDataFormat := GL_UNSIGNED_SHORT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdUniversal_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdUniversal_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -var - i: Integer; -begin - PWord(aData)^ := 0; - for i := 0 to 3 do - if (fRange.arr[i] > 0) then - PWord(aData)^ := PWord(aData)^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]); - inc(aData, 2); -end; - -procedure TfdUniversal_US1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -var - i: Integer; -begin - for i := 0 to 3 do - aPixel.Data.arr[i] := (PWord(aData)^ shr fShift.arr[i]) and fRange.arr[i]; - inc(aData, 2); -end; - -constructor TfdUniversal_US1.Create; -begin - inherited Create; - fPixelSize := 2.0; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdDepth_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdDepth_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - PWord(aData)^ := DepthWeight(aPixel); - inc(aData, 2); -end; - -procedure TfdDepth_US1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.r := PWord(aData)^; - aPixel.Data.g := PWord(aData)^; - aPixel.Data.b := PWord(aData)^; - aPixel.Data.a := 0; - inc(aData, 2); -end; - -constructor TfdDepth_US1.Create; -begin - inherited Create; - fPixelSize := 2.0; - fRange.r := $FFFF; - fRange.g := $FFFF; - fRange.b := $FFFF; - fglFormat := GL_DEPTH_COMPONENT; - fglDataFormat := GL_UNSIGNED_SHORT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdLuminanceAlpha_US2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdLuminanceAlpha_US2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - inherited Map(aPixel, aData, aMapData); - PWord(aData)^ := aPixel.Data.a; - inc(aData, 2); -end; - -procedure TfdLuminanceAlpha_US2.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - inherited Unmap(aData, aPixel, aMapData); - aPixel.Data.a := PWord(aData)^; - inc(aData, 2); -end; - -constructor TfdLuminanceAlpha_US2.Create; -begin - inherited Create; - fPixelSize := 4.0; - fRange.a := $FFFF; - fShift.a := 16; - fglFormat := GL_LUMINANCE_ALPHA; - fglDataFormat := GL_UNSIGNED_SHORT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdRGB_US3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdRGB_US3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - PWord(aData)^ := aPixel.Data.r; - inc(aData, 2); - PWord(aData)^ := aPixel.Data.g; - inc(aData, 2); - PWord(aData)^ := aPixel.Data.b; - inc(aData, 2); -end; - -procedure TfdRGB_US3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.r := PWord(aData)^; - inc(aData, 2); - aPixel.Data.g := PWord(aData)^; - inc(aData, 2); - aPixel.Data.b := PWord(aData)^; - inc(aData, 2); - aPixel.Data.a := 0; -end; - -constructor TfdRGB_US3.Create; -begin - inherited Create; - fPixelSize := 6.0; - fRange.r := $FFFF; - fRange.g := $FFFF; - fRange.b := $FFFF; - fShift.r := 0; - fShift.g := 16; - fShift.b := 32; - fglFormat := GL_RGB; - fglDataFormat := GL_UNSIGNED_SHORT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdBGR_US3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdBGR_US3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - PWord(aData)^ := aPixel.Data.b; - inc(aData, 2); - PWord(aData)^ := aPixel.Data.g; - inc(aData, 2); - PWord(aData)^ := aPixel.Data.r; - inc(aData, 2); -end; - -procedure TfdBGR_US3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.b := PWord(aData)^; - inc(aData, 2); - aPixel.Data.g := PWord(aData)^; - inc(aData, 2); - aPixel.Data.r := PWord(aData)^; - inc(aData, 2); - aPixel.Data.a := 0; -end; - -constructor TfdBGR_US3.Create; -begin - inherited Create; - fPixelSize := 6.0; - fRange.r := $FFFF; - fRange.g := $FFFF; - fRange.b := $FFFF; - fShift.r := 32; - fShift.g := 16; - fShift.b := 0; - fglFormat := GL_BGR; - fglDataFormat := GL_UNSIGNED_SHORT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdRGBA_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdRGBA_US4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - inherited Map(aPixel, aData, aMapData); - PWord(aData)^ := aPixel.Data.a; - inc(aData, 2); -end; - -procedure TfdRGBA_US4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - inherited Unmap(aData, aPixel, aMapData); - aPixel.Data.a := PWord(aData)^; - inc(aData, 2); -end; - -constructor TfdRGBA_US4.Create; -begin - inherited Create; - fPixelSize := 8.0; - fRange.a := $FFFF; - fShift.a := 48; - fglFormat := GL_RGBA; - fglDataFormat := GL_UNSIGNED_SHORT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdBGRA_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdBGRA_US4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - inherited Map(aPixel, aData, aMapData); - PWord(aData)^ := aPixel.Data.a; - inc(aData, 2); -end; - -procedure TfdBGRA_US4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - inherited Unmap(aData, aPixel, aMapData); - aPixel.Data.a := PWord(aData)^; - inc(aData, 2); -end; - -constructor TfdBGRA_US4.Create; -begin - inherited Create; - fPixelSize := 8.0; - fRange.a := $FFFF; - fShift.a := 48; - fglFormat := GL_BGRA; - fglDataFormat := GL_UNSIGNED_SHORT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdUniversal_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdUniversal_UI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -var - i: Integer; -begin - PCardinal(aData)^ := 0; - for i := 0 to 3 do - if (fRange.arr[i] > 0) then - PCardinal(aData)^ := PCardinal(aData)^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]); - inc(aData, 4); -end; - -procedure TfdUniversal_UI1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -var - i: Integer; -begin - for i := 0 to 3 do - aPixel.Data.arr[i] := (PCardinal(aData)^ shr fShift.arr[i]) and fRange.arr[i]; - inc(aData, 2); -end; - -constructor TfdUniversal_UI1.Create; -begin - inherited Create; - fPixelSize := 4.0; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdDepth_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdDepth_UI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - PCardinal(aData)^ := DepthWeight(aPixel); - inc(aData, 4); -end; - -procedure TfdDepth_UI1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - aPixel.Data.r := PCardinal(aData)^; - aPixel.Data.g := PCardinal(aData)^; - aPixel.Data.b := PCardinal(aData)^; - aPixel.Data.a := 0; - inc(aData, 4); -end; - -constructor TfdDepth_UI1.Create; -begin - inherited Create; - fPixelSize := 4.0; - fRange.r := $FFFFFFFF; - fRange.g := $FFFFFFFF; - fRange.b := $FFFFFFFF; - fglFormat := GL_DEPTH_COMPONENT; - fglDataFormat := GL_UNSIGNED_INT; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TfdAlpha4.Create; -begin - inherited Create; - fFormat := tfAlpha4; - fWithAlpha := tfAlpha4; - fglInternalFormat := GL_ALPHA4; -end; - -constructor TfdAlpha8.Create; -begin - inherited Create; - fFormat := tfAlpha8; - fWithAlpha := tfAlpha8; - fglInternalFormat := GL_ALPHA8; -end; - -constructor TfdAlpha12.Create; -begin - inherited Create; - fFormat := tfAlpha12; - fWithAlpha := tfAlpha12; - fglInternalFormat := GL_ALPHA12; -end; - -constructor TfdAlpha16.Create; -begin - inherited Create; - fFormat := tfAlpha16; - fWithAlpha := tfAlpha16; - fglInternalFormat := GL_ALPHA16; -end; - -constructor TfdLuminance4.Create; -begin - inherited Create; - fFormat := tfLuminance4; - fWithAlpha := tfLuminance4Alpha4; - fWithoutAlpha := tfLuminance4; - fglInternalFormat := GL_LUMINANCE4; -end; - -constructor TfdLuminance8.Create; -begin - inherited Create; - fFormat := tfLuminance8; - fWithAlpha := tfLuminance8Alpha8; - fWithoutAlpha := tfLuminance8; - fglInternalFormat := GL_LUMINANCE8; -end; - -constructor TfdLuminance12.Create; -begin - inherited Create; - fFormat := tfLuminance12; - fWithAlpha := tfLuminance12Alpha12; - fWithoutAlpha := tfLuminance12; - fglInternalFormat := GL_LUMINANCE12; -end; - -constructor TfdLuminance16.Create; -begin - inherited Create; - fFormat := tfLuminance16; - fWithAlpha := tfLuminance16Alpha16; - fWithoutAlpha := tfLuminance16; - fglInternalFormat := GL_LUMINANCE16; -end; - -constructor TfdLuminance4Alpha4.Create; -begin - inherited Create; - fFormat := tfLuminance4Alpha4; - fWithAlpha := tfLuminance4Alpha4; - fWithoutAlpha := tfLuminance4; - fglInternalFormat := GL_LUMINANCE4_ALPHA4; -end; - -constructor TfdLuminance6Alpha2.Create; -begin - inherited Create; - fFormat := tfLuminance6Alpha2; - fWithAlpha := tfLuminance6Alpha2; - fWithoutAlpha := tfLuminance8; - fglInternalFormat := GL_LUMINANCE6_ALPHA2; -end; - -constructor TfdLuminance8Alpha8.Create; -begin - inherited Create; - fFormat := tfLuminance8Alpha8; - fWithAlpha := tfLuminance8Alpha8; - fWithoutAlpha := tfLuminance8; - fglInternalFormat := GL_LUMINANCE8_ALPHA8; -end; - -constructor TfdLuminance12Alpha4.Create; -begin - inherited Create; - fFormat := tfLuminance12Alpha4; - fWithAlpha := tfLuminance12Alpha4; - fWithoutAlpha := tfLuminance12; - fglInternalFormat := GL_LUMINANCE12_ALPHA4; -end; - -constructor TfdLuminance12Alpha12.Create; -begin - inherited Create; - fFormat := tfLuminance12Alpha12; - fWithAlpha := tfLuminance12Alpha12; - fWithoutAlpha := tfLuminance12; - fglInternalFormat := GL_LUMINANCE12_ALPHA12; -end; - -constructor TfdLuminance16Alpha16.Create; -begin - inherited Create; - fFormat := tfLuminance16Alpha16; - fWithAlpha := tfLuminance16Alpha16; - fWithoutAlpha := tfLuminance16; - fglInternalFormat := GL_LUMINANCE16_ALPHA16; -end; - -constructor TfdR3G3B2.Create; -begin - inherited Create; - fFormat := tfR3G3B2; - fWithAlpha := tfRGBA2; - fWithoutAlpha := tfR3G3B2; - fRange.r := $7; - fRange.g := $7; - fRange.b := $3; - fShift.r := 0; - fShift.g := 3; - fShift.b := 6; - fglFormat := GL_RGB; - fglInternalFormat := GL_R3_G3_B2; - fglDataFormat := GL_UNSIGNED_BYTE_2_3_3_REV; -end; - -constructor TfdRGB4.Create; -begin - inherited Create; - fFormat := tfRGB4; - fWithAlpha := tfRGBA4; - fWithoutAlpha := tfRGB4; - fRGBInverted := tfBGR4; - fRange.r := $F; - fRange.g := $F; - fRange.b := $F; - fShift.r := 0; - fShift.g := 4; - fShift.b := 8; - fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA - fglInternalFormat := GL_RGB4; - fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; -end; - -constructor TfdR5G6B5.Create; -begin - inherited Create; - fFormat := tfR5G6B5; - fWithAlpha := tfRGBA4; - fWithoutAlpha := tfR5G6B5; - fRGBInverted := tfB5G6R5; - fRange.r := $1F; - fRange.g := $3F; - fRange.b := $1F; - fShift.r := 0; - fShift.g := 5; - fShift.b := 11; - fglFormat := GL_RGB; - fglInternalFormat := GL_RGB565; - fglDataFormat := GL_UNSIGNED_SHORT_5_6_5_REV; -end; - -constructor TfdRGB5.Create; -begin - inherited Create; - fFormat := tfRGB5; - fWithAlpha := tfRGB5A1; - fWithoutAlpha := tfRGB5; - fRGBInverted := tfBGR5; - fRange.r := $1F; - fRange.g := $1F; - fRange.b := $1F; - fShift.r := 0; - fShift.g := 5; - fShift.b := 10; - fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA - fglInternalFormat := GL_RGB5; - fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; -end; - -constructor TfdRGB8.Create; -begin - inherited Create; - fFormat := tfRGB8; - fWithAlpha := tfRGBA8; - fWithoutAlpha := tfRGB8; - fRGBInverted := tfBGR8; - fglInternalFormat := GL_RGB8; -end; - -constructor TfdRGB10.Create; -begin - inherited Create; - fFormat := tfRGB10; - fWithAlpha := tfRGB10A2; - fWithoutAlpha := tfRGB10; - fRGBInverted := tfBGR10; - fRange.r := $3FF; - fRange.g := $3FF; - fRange.b := $3FF; - fShift.r := 0; - fShift.g := 10; - fShift.b := 20; - fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA - fglInternalFormat := GL_RGB10; - fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; -end; - -constructor TfdRGB12.Create; -begin - inherited Create; - fFormat := tfRGB12; - fWithAlpha := tfRGBA12; - fWithoutAlpha := tfRGB12; - fRGBInverted := tfBGR12; - fglInternalFormat := GL_RGB12; -end; - -constructor TfdRGB16.Create; -begin - inherited Create; - fFormat := tfRGB16; - fWithAlpha := tfRGBA16; - fWithoutAlpha := tfRGB16; - fRGBInverted := tfBGR16; - fglInternalFormat := GL_RGB16; -end; - -constructor TfdRGBA2.Create; -begin - inherited Create; - fFormat := tfRGBA2; - fWithAlpha := tfRGBA2; - fWithoutAlpha := tfR3G3B2; - fRGBInverted := tfBGRA2; - fglInternalFormat := GL_RGBA2; -end; - -constructor TfdRGBA4.Create; -begin - inherited Create; - fFormat := tfRGBA4; - fWithAlpha := tfRGBA4; - fWithoutAlpha := tfRGB4; - fRGBInverted := tfBGRA4; - fRange.r := $F; - fRange.g := $F; - fRange.b := $F; - fRange.a := $F; - fShift.r := 0; - fShift.g := 4; - fShift.b := 8; - fShift.a := 12; - fglFormat := GL_RGBA; - fglInternalFormat := GL_RGBA4; - fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; -end; - -constructor TfdRGB5A1.Create; -begin - inherited Create; - fFormat := tfRGB5A1; - fWithAlpha := tfRGB5A1; - fWithoutAlpha := tfRGB5; - fRGBInverted := tfBGR5A1; - fRange.r := $1F; - fRange.g := $1F; - fRange.b := $1F; - fRange.a := $01; - fShift.r := 0; - fShift.g := 5; - fShift.b := 10; - fShift.a := 15; - fglFormat := GL_RGBA; - fglInternalFormat := GL_RGB5_A1; - fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; -end; - -constructor TfdRGBA8.Create; -begin - inherited Create; - fFormat := tfRGBA8; - fWithAlpha := tfRGBA8; - fWithoutAlpha := tfRGB8; - fRGBInverted := tfBGRA8; - fglInternalFormat := GL_RGBA8; -end; - -constructor TfdRGB10A2.Create; -begin - inherited Create; - fFormat := tfRGB10A2; - fWithAlpha := tfRGB10A2; - fWithoutAlpha := tfRGB10; - fRGBInverted := tfBGR10A2; - fRange.r := $3FF; - fRange.g := $3FF; - fRange.b := $3FF; - fRange.a := $003; - fShift.r := 0; - fShift.g := 10; - fShift.b := 20; - fShift.a := 30; - fglFormat := GL_RGBA; - fglInternalFormat := GL_RGB10_A2; - fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; -end; - -constructor TfdRGBA12.Create; -begin - inherited Create; - fFormat := tfRGBA12; - fWithAlpha := tfRGBA12; - fWithoutAlpha := tfRGB12; - fRGBInverted := tfBGRA12; - fglInternalFormat := GL_RGBA12; -end; - -constructor TfdRGBA16.Create; -begin - inherited Create; - fFormat := tfRGBA16; - fWithAlpha := tfRGBA16; - fWithoutAlpha := tfRGB16; - fRGBInverted := tfBGRA16; - fglInternalFormat := GL_RGBA16; -end; - -constructor TfdBGR4.Create; -begin - inherited Create; - fPixelSize := 2.0; - fFormat := tfBGR4; - fWithAlpha := tfBGRA4; - fWithoutAlpha := tfBGR4; - fRGBInverted := tfRGB4; - fRange.r := $F; - fRange.g := $F; - fRange.b := $F; - fRange.a := $0; - fShift.r := 8; - fShift.g := 4; - fShift.b := 0; - fShift.a := 0; - fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA - fglInternalFormat := GL_RGB4; - fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TfdB5G6R5.Create; -begin - inherited Create; - fFormat := tfB5G6R5; - fWithAlpha := tfBGRA4; - fWithoutAlpha := tfB5G6R5; - fRGBInverted := tfR5G6B5; - fRange.r := $1F; - fRange.g := $3F; - fRange.b := $1F; - fShift.r := 11; - fShift.g := 5; - fShift.b := 0; - fglFormat := GL_RGB; //B5G6R5 is only possible as R5G6B5 -> use reverted dataformat - fglInternalFormat := GL_RGB8; - fglDataFormat := GL_UNSIGNED_SHORT_5_6_5; -end; - -constructor TfdBGR5.Create; -begin - inherited Create; - fPixelSize := 2.0; - fFormat := tfBGR5; - fWithAlpha := tfBGR5A1; - fWithoutAlpha := tfBGR5; - fRGBInverted := tfRGB5; - fRange.r := $1F; - fRange.g := $1F; - fRange.b := $1F; - fRange.a := $00; - fShift.r := 10; - fShift.g := 5; - fShift.b := 0; - fShift.a := 0; - fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA - fglInternalFormat := GL_RGB5; - fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; -end; - -constructor TfdBGR8.Create; -begin - inherited Create; - fFormat := tfBGR8; - fWithAlpha := tfBGRA8; - fWithoutAlpha := tfBGR8; - fRGBInverted := tfRGB8; - fglInternalFormat := GL_RGB8; -end; - -constructor TfdBGR10.Create; -begin - inherited Create; - fFormat := tfBGR10; - fWithAlpha := tfBGR10A2; - fWithoutAlpha := tfBGR10; - fRGBInverted := tfRGB10; - fRange.r := $3FF; - fRange.g := $3FF; - fRange.b := $3FF; - fRange.a := $000; - fShift.r := 20; - fShift.g := 10; - fShift.b := 0; - fShift.a := 0; - fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA - fglInternalFormat := GL_RGB10; - fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; -end; - -constructor TfdBGR12.Create; -begin - inherited Create; - fFormat := tfBGR12; - fWithAlpha := tfBGRA12; - fWithoutAlpha := tfBGR12; - fRGBInverted := tfRGB12; - fglInternalFormat := GL_RGB12; -end; - -constructor TfdBGR16.Create; -begin - inherited Create; - fFormat := tfBGR16; - fWithAlpha := tfBGRA16; - fWithoutAlpha := tfBGR16; - fRGBInverted := tfRGB16; - fglInternalFormat := GL_RGB16; -end; - -constructor TfdBGRA2.Create; -begin - inherited Create; - fFormat := tfBGRA2; - fWithAlpha := tfBGRA4; - fWithoutAlpha := tfBGR4; - fRGBInverted := tfRGBA2; - fglInternalFormat := GL_RGBA2; -end; - -constructor TfdBGRA4.Create; -begin - inherited Create; - fFormat := tfBGRA4; - fWithAlpha := tfBGRA4; - fWithoutAlpha := tfBGR4; - fRGBInverted := tfRGBA4; - fRange.r := $F; - fRange.g := $F; - fRange.b := $F; - fRange.a := $F; - fShift.r := 8; - fShift.g := 4; - fShift.b := 0; - fShift.a := 12; - fglFormat := GL_BGRA; - fglInternalFormat := GL_RGBA4; - fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; -end; - -constructor TfdBGR5A1.Create; -begin - inherited Create; - fFormat := tfBGR5A1; - fWithAlpha := tfBGR5A1; - fWithoutAlpha := tfBGR5; - fRGBInverted := tfRGB5A1; - fRange.r := $1F; - fRange.g := $1F; - fRange.b := $1F; - fRange.a := $01; - fShift.r := 10; - fShift.g := 5; - fShift.b := 0; - fShift.a := 15; - fglFormat := GL_BGRA; - fglInternalFormat := GL_RGB5_A1; - fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; -end; - -constructor TfdBGRA8.Create; -begin - inherited Create; - fFormat := tfBGRA8; - fWithAlpha := tfBGRA8; - fWithoutAlpha := tfBGR8; - fRGBInverted := tfRGBA8; - fglInternalFormat := GL_RGBA8; -end; - -constructor TfdBGR10A2.Create; -begin - inherited Create; - fFormat := tfBGR10A2; - fWithAlpha := tfBGR10A2; - fWithoutAlpha := tfBGR10; - fRGBInverted := tfRGB10A2; - fRange.r := $3FF; - fRange.g := $3FF; - fRange.b := $3FF; - fRange.a := $003; - fShift.r := 20; - fShift.g := 10; - fShift.b := 0; - fShift.a := 30; - fglFormat := GL_BGRA; - fglInternalFormat := GL_RGB10_A2; - fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; -end; - -constructor TfdBGRA12.Create; -begin - inherited Create; - fFormat := tfBGRA12; - fWithAlpha := tfBGRA12; - fWithoutAlpha := tfBGR12; - fRGBInverted := tfRGBA12; - fglInternalFormat := GL_RGBA12; -end; - -constructor TfdBGRA16.Create; -begin - inherited Create; - fFormat := tfBGRA16; - fWithAlpha := tfBGRA16; - fWithoutAlpha := tfBGR16; - fRGBInverted := tfRGBA16; - fglInternalFormat := GL_RGBA16; -end; - -constructor TfdDepth16.Create; -begin - inherited Create; - fFormat := tfDepth16; - fWithAlpha := tfEmpty; - fWithoutAlpha := tfDepth16; - fglInternalFormat := GL_DEPTH_COMPONENT16; -end; - -constructor TfdDepth24.Create; -begin - inherited Create; - fFormat := tfDepth24; - fWithAlpha := tfEmpty; - fWithoutAlpha := tfDepth24; - fglInternalFormat := GL_DEPTH_COMPONENT24; -end; - -constructor TfdDepth32.Create; -begin - inherited Create; - fFormat := tfDepth32; - fWithAlpha := tfEmpty; - fWithoutAlpha := tfDepth32; - fglInternalFormat := GL_DEPTH_COMPONENT32; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdS3tcDtx1RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdS3tcDtx1RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - raise EglBitmap.Create('mapping for compressed formats is not supported'); -end; - -procedure TfdS3tcDtx1RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - raise EglBitmap.Create('mapping for compressed formats is not supported'); -end; - -constructor TfdS3tcDtx1RGBA.Create; -begin - inherited Create; - fFormat := tfS3tcDtx1RGBA; - fWithAlpha := tfS3tcDtx1RGBA; - fUncompressed := tfRGB5A1; - fPixelSize := 0.5; - fIsCompressed := true; - fglFormat := GL_COMPRESSED_RGBA; - fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdS3tcDtx3RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdS3tcDtx3RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - raise EglBitmap.Create('mapping for compressed formats is not supported'); -end; - -procedure TfdS3tcDtx3RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - raise EglBitmap.Create('mapping for compressed formats is not supported'); -end; - -constructor TfdS3tcDtx3RGBA.Create; -begin - inherited Create; - fFormat := tfS3tcDtx3RGBA; - fWithAlpha := tfS3tcDtx3RGBA; - fUncompressed := tfRGBA8; - fPixelSize := 1.0; - fIsCompressed := true; - fglFormat := GL_COMPRESSED_RGBA; - fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdS3tcDtx5RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TfdS3tcDtx5RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -begin - raise EglBitmap.Create('mapping for compressed formats is not supported'); -end; - -procedure TfdS3tcDtx5RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -begin - raise EglBitmap.Create('mapping for compressed formats is not supported'); -end; - -constructor TfdS3tcDtx5RGBA.Create; -begin - inherited Create; - fFormat := tfS3tcDtx3RGBA; - fWithAlpha := tfS3tcDtx3RGBA; - fUncompressed := tfRGBA8; - fPixelSize := 1.0; - fIsCompressed := true; - fglFormat := GL_COMPRESSED_RGBA; - fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; - fglDataFormat := GL_UNSIGNED_BYTE; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmapFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -class function TglBitmapFormatDescriptor.GetByFormat(const aInternalFormat: GLenum): TglBitmapFormatDescriptor; -var - f: TglBitmapFormat; -begin - for f := Low(TglBitmapFormat) to High(TglBitmapFormat) do begin - result := TFormatDescriptor.Get(f); - if (result.glInternalFormat = aInternalFormat) then - exit; - end; - result := TFormatDescriptor.Get(tfEmpty); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -class procedure TFormatDescriptor.Init; -begin - if not Assigned(FormatDescriptorCS) then - FormatDescriptorCS := TCriticalSection.Create; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -class function TFormatDescriptor.Get(const aFormat: TglBitmapFormat): TFormatDescriptor; -begin - FormatDescriptorCS.Enter; - try - result := FormatDescriptors[aFormat]; - if not Assigned(result) then begin - result := FORMAT_DESCRIPTOR_CLASSES[aFormat].Create; - FormatDescriptors[aFormat] := result; - end; - finally - FormatDescriptorCS.Leave; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -class function TFormatDescriptor.GetWithAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor; -begin - result := Get(Get(aFormat).WithAlpha); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -class procedure TFormatDescriptor.Clear; -var - f: TglBitmapFormat; -begin - FormatDescriptorCS.Enter; - try - for f := low(FormatDescriptors) to high(FormatDescriptors) do - FreeAndNil(FormatDescriptors[f]); - finally - FormatDescriptorCS.Leave; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -class procedure TFormatDescriptor.Finalize; -begin - Clear; - FreeAndNil(FormatDescriptorCS); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TBitfieldFormat///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpBitfieldFormat.SetRedMask(const aValue: QWord); -begin - Update(aValue, fRange.r, fShift.r); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpBitfieldFormat.SetGreenMask(const aValue: QWord); -begin - Update(aValue, fRange.g, fShift.g); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpBitfieldFormat.SetBlueMask(const aValue: QWord); -begin - Update(aValue, fRange.b, fShift.b); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpBitfieldFormat.SetAlphaMask(const aValue: QWord); -begin - Update(aValue, fRange.a, fShift.a); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpBitfieldFormat.Update(aMask: QWord; out aRange: Cardinal; out - aShift: Byte); -begin - aShift := 0; - aRange := 0; - if (aMask = 0) then - exit; - while (aMask > 0) and ((aMask and 1) = 0) do begin - inc(aShift); - aMask := aMask shr 1; - end; - aRange := 1; - while (aMask > 0) do begin - aRange := aRange shl 1; - aMask := aMask shr 1; - end; - dec(aRange); - - fPixelSize := Round(GetTopMostBit(RedMask or GreenMask or BlueMask or AlphaMask) / 8); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpBitfieldFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -var - data: QWord; - s: Integer; -begin - data := - ((aPixel.Data.r and fRange.r) shl fShift.r) or - ((aPixel.Data.g and fRange.g) shl fShift.g) or - ((aPixel.Data.b and fRange.b) shl fShift.b) or - ((aPixel.Data.a and fRange.a) shl fShift.a); - s := Round(fPixelSize); - case s of - 1: aData^ := data; - 2: PWord(aData)^ := data; - 4: PCardinal(aData)^ := data; - 8: PQWord(aData)^ := data; - else - raise EglBitmap.CreateFmt('invalid pixel size: %.1f', [fPixelSize]); - end; - inc(aData, s); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpBitfieldFormat.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -var - data: QWord; - s, i: Integer; -begin - s := Round(fPixelSize); - case s of - 1: data := aData^; - 2: data := PWord(aData)^; - 4: data := PCardinal(aData)^; - 8: data := PQWord(aData)^; - else - raise EglBitmap.CreateFmt('invalid pixel size: %.1f', [fPixelSize]); - end; - for i := 0 to 3 do - aPixel.Data.arr[i] := (data shr fShift.arr[i]) and fRange.arr[i]; - inc(aData, s); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TColorTableFormat/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpColorTableFormat.CreateColorTable; -var - i: Integer; -begin - if not (Format in [tfLuminance4, tfLuminance8, tfR3G3B2]) then - raise EglBitmap.Create(UNSUPPORTED_FORMAT); - - if (Format = tfLuminance4) then - SetLength(fColorTable, 16) - else - SetLength(fColorTable, 256); - - case Format of - tfLuminance4: begin - for i := 0 to High(fColorTable) do begin - fColorTable[i].r := 16 * i; - fColorTable[i].g := 16 * i; - fColorTable[i].b := 16 * i; - fColorTable[i].a := 0; - end; - end; - - tfLuminance8: begin - for i := 0 to High(fColorTable) do begin - fColorTable[i].r := i; - fColorTable[i].g := i; - fColorTable[i].b := i; - fColorTable[i].a := 0; - end; - end; - - tfR3G3B2: begin - for i := 0 to High(fColorTable) do begin - fColorTable[i].r := Round(((i shr Shift.r) and Range.r) / Range.r * 255); - fColorTable[i].g := Round(((i shr Shift.g) and Range.g) / Range.g * 255); - fColorTable[i].b := Round(((i shr Shift.b) and Range.b) / Range.b * 255); - fColorTable[i].a := 0; - end; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpColorTableFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); -var - d: Byte; -begin - if not (Format in [tfLuminance4, tfLuminance8, tfR3G3B2]) then - raise EglBitmap.Create(UNSUPPORTED_FORMAT); - - case Format of - tfLuminance4: begin - if (aMapData = nil) then - aData^ := 0; - d := LuminanceWeight(aPixel) and Range.r; - aData^ := aData^ or (d shl (4 - {%H-}PtrUInt(aMapData))); - inc(PByte(aMapData), 4); - if ({%H-}PtrUInt(aMapData) >= 8) then begin - inc(aData); - aMapData := nil; - end; - end; - - tfLuminance8: begin - aData^ := LuminanceWeight(aPixel) and Range.r; - inc(aData); - end; - - tfR3G3B2: begin - aData^ := Round( - ((aPixel.Data.r and Range.r) shl Shift.r) or - ((aPixel.Data.g and Range.g) shl Shift.g) or - ((aPixel.Data.b and Range.b) shl Shift.b)); - inc(aData); - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TbmpColorTableFormat.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); -var - idx: QWord; - s: Integer; - bits: Byte; - f: Single; -begin - s := Trunc(fPixelSize); - f := fPixelSize - s; - bits := Round(8 * f); - case s of - 0: idx := (aData^ shr (8 - bits - {%H-}PtrInt(aMapData))) and ((1 shl bits) - 1); - 1: idx := aData^; - 2: idx := PWord(aData)^; - 4: idx := PCardinal(aData)^; - 8: idx := PQWord(aData)^; - else - raise EglBitmap.CreateFmt('invalid pixel size: %.3f', [fPixelSize]); - end; - if (idx >= Length(fColorTable)) then - raise EglBitmap.CreateFmt('invalid color index: %d', [idx]); - with fColorTable[idx] do begin - aPixel.Data.r := r; - aPixel.Data.g := g; - aPixel.Data.b := b; - aPixel.Data.a := a; - end; - inc(PByte(aMapData), bits); - if ({%H-}PtrUInt(aMapData) >= 8) then begin - inc(aData, 1); - dec(PByte(aMapData), 8); - end; - inc(aData, s); -end; - -destructor TbmpColorTableFormat.Destroy; -begin - SetLength(fColorTable, 0); - inherited Destroy; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmap - Helper////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapConvertPixel(var aPixel: TglBitmapPixelData; const aSourceFD, aDestFD: TFormatDescriptor); -var - i: Integer; -begin - for i := 0 to 3 do begin - if (aSourceFD.Range.arr[i] <> aDestFD.Range.arr[i]) then begin - if (aSourceFD.Range.arr[i] > 0) then - aPixel.Data.arr[i] := Round(aPixel.Data.arr[i] / aSourceFD.Range.arr[i] * aDestFD.Range.arr[i]) - else - aPixel.Data.arr[i] := aDestFD.Range.arr[i]; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapConvertCopyFunc(var aFuncRec: TglBitmapFunctionRec); -begin - with aFuncRec do begin - if (Source.Range.r > 0) then - Dest.Data.r := Source.Data.r; - if (Source.Range.g > 0) then - Dest.Data.g := Source.Data.g; - if (Source.Range.b > 0) then - Dest.Data.b := Source.Data.b; - if (Source.Range.a > 0) then - Dest.Data.a := Source.Data.a; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapConvertCalculateRGBAFunc(var aFuncRec: TglBitmapFunctionRec); -var - i: Integer; -begin - with aFuncRec do begin - for i := 0 to 3 do - if (Source.Range.arr[i] > 0) then - Dest.Data.arr[i] := Round(Dest.Range.arr[i] * Source.Data.arr[i] / Source.Range.arr[i]); - end; -end; - -type - TShiftData = packed record - case Integer of - 0: (r, g, b, a: SmallInt); - 1: (arr: array[0..3] of SmallInt); - end; - PShiftData = ^TShiftData; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapConvertShiftRGBAFunc(var aFuncRec: TglBitmapFunctionRec); -var - i: Integer; -begin - with aFuncRec do - for i := 0 to 3 do - if (Source.Range.arr[i] > 0) then - Dest.Data.arr[i] := Source.Data.arr[i] shr PShiftData(Args)^.arr[i]; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapInvertFunc(var aFuncRec: TglBitmapFunctionRec); -begin - with aFuncRec do begin - Dest.Data := Source.Data; - if ({%H-}PtrUInt(Args) and $1 > 0) then begin - Dest.Data.r := Dest.Data.r xor Dest.Range.r; - Dest.Data.g := Dest.Data.g xor Dest.Range.g; - Dest.Data.b := Dest.Data.b xor Dest.Range.b; - end; - if ({%H-}PtrUInt(Args) and $2 > 0) then begin - Dest.Data.a := Dest.Data.a xor Dest.Range.a; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapFillWithColorFunc(var aFuncRec: TglBitmapFunctionRec); -var - i: Integer; -begin - with aFuncRec do begin - for i := 0 to 3 do - Dest.Data.arr[i] := PglBitmapPixelData(Args)^.Data.arr[i]; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapAlphaFunc(var FuncRec: TglBitmapFunctionRec); -var - Temp: Single; -begin - with FuncRec do begin - if (FuncRec.Args = nil) then begin //source has no alpha - Temp := - Source.Data.r / Source.Range.r * ALPHA_WEIGHT_R + - Source.Data.g / Source.Range.g * ALPHA_WEIGHT_G + - Source.Data.b / Source.Range.b * ALPHA_WEIGHT_B; - Dest.Data.a := Round(Dest.Range.a * Temp); - end else - Dest.Data.a := Round(Source.Data.a / Source.Range.a * Dest.Range.a); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapColorKeyAlphaFunc(var FuncRec: TglBitmapFunctionRec); -type - PglBitmapPixelData = ^TglBitmapPixelData; -begin - with FuncRec do begin - Dest.Data.r := Source.Data.r; - Dest.Data.g := Source.Data.g; - Dest.Data.b := Source.Data.b; - - with PglBitmapPixelData(Args)^ do - if ((Dest.Data.r <= Data.r) and (Dest.Data.r >= Range.r) and - (Dest.Data.g <= Data.g) and (Dest.Data.g >= Range.g) and - (Dest.Data.b <= Data.b) and (Dest.Data.b >= Range.b)) then - Dest.Data.a := 0 - else - Dest.Data.a := Dest.Range.a; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapValueAlphaFunc(var FuncRec: TglBitmapFunctionRec); -begin - with FuncRec do begin - Dest.Data.r := Source.Data.r; - Dest.Data.g := Source.Data.g; - Dest.Data.b := Source.Data.b; - Dest.Data.a := PCardinal(Args)^; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure SwapRGB(aData: PByte; aWidth: Integer; const aHasAlpha: Boolean); -type - PRGBPix = ^TRGBPix; - TRGBPix = array [0..2] of byte; -var - Temp: Byte; -begin - while aWidth > 0 do begin - Temp := PRGBPix(aData)^[0]; - PRGBPix(aData)^[0] := PRGBPix(aData)^[2]; - PRGBPix(aData)^[2] := Temp; - - if aHasAlpha then - Inc(aData, 4) - else - Inc(aData, 3); - dec(aWidth); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmap - PROTECTED/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.GetFormatDesc: TglBitmapFormatDescriptor; -begin - result := TFormatDescriptor.Get(Format); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.GetWidth: Integer; -begin - if (ffX in fDimension.Fields) then - result := fDimension.X - else - result := -1; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.GetHeight: Integer; -begin - if (ffY in fDimension.Fields) then - result := fDimension.Y - else - result := -1; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.GetFileWidth: Integer; -begin - result := Max(1, Width); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.GetFileHeight: Integer; -begin - result := Max(1, Height); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetCustomData(const aValue: Pointer); -begin - if fCustomData = aValue then - exit; - fCustomData := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetCustomName(const aValue: String); -begin - if fCustomName = aValue then - exit; - fCustomName := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetCustomNameW(const aValue: WideString); -begin - if fCustomNameW = aValue then - exit; - fCustomNameW := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetFreeDataOnDestroy(const aValue: Boolean); -begin - if fFreeDataOnDestroy = aValue then - exit; - fFreeDataOnDestroy := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetDeleteTextureOnFree(const aValue: Boolean); -begin - if fDeleteTextureOnFree = aValue then - exit; - fDeleteTextureOnFree := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetFormat(const aValue: TglBitmapFormat); -begin - if fFormat = aValue then - exit; - if TFormatDescriptor.Get(Format).PixelSize <> TFormatDescriptor.Get(aValue).PixelSize then - raise EglBitmapUnsupportedFormat.Create(Format); - SetDataPointer(fData, aValue, Width, Height); //be careful, Data could be freed by this method -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetFreeDataAfterGenTexture(const aValue: Boolean); -begin - if fFreeDataAfterGenTexture = aValue then - exit; - fFreeDataAfterGenTexture := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetID(const aValue: Cardinal); -begin - if fID = aValue then - exit; - fID := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetMipMap(const aValue: TglBitmapMipMap); -begin - if fMipMap = aValue then - exit; - fMipMap := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetTarget(const aValue: Cardinal); -begin - if fTarget = aValue then - exit; - fTarget := aValue; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetAnisotropic(const aValue: Integer); -var - MaxAnisotropic: Integer; -begin - fAnisotropic := aValue; - if (ID > 0) then begin - if GL_EXT_texture_filter_anisotropic then begin - if fAnisotropic > 0 then begin - Bind(false); - glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, @MaxAnisotropic); - if aValue > MaxAnisotropic then - fAnisotropic := MaxAnisotropic; - glTexParameteri(Target, GL_TEXTURE_MAX_ANISOTROPY_EXT, fAnisotropic); - end; - end else begin - fAnisotropic := 0; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.CreateID; -begin - if (ID <> 0) then - glDeleteTextures(1, @fID); - glGenTextures(1, @fID); - Bind(false); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetupParameters(out aBuildWithGlu: Boolean); -begin - // Set Up Parameters - SetWrap(fWrapS, fWrapT, fWrapR); - SetFilter(fFilterMin, fFilterMag); - SetAnisotropic(fAnisotropic); - SetBorderColor(fBorderColor[0], fBorderColor[1], fBorderColor[2], fBorderColor[3]); - - if (GL_ARB_texture_swizzle or GL_EXT_texture_swizzle or GL_VERSION_3_3) then - SetSwizzle(fSwizzle[0], fSwizzle[1], fSwizzle[2], fSwizzle[3]); - - // Mip Maps Generation Mode - aBuildWithGlu := false; - if (MipMap = mmMipmap) then begin - if (GL_VERSION_1_4 or GL_SGIS_generate_mipmap) then - glTexParameteri(Target, GL_GENERATE_MIPMAP, GL_TRUE) - else - aBuildWithGlu := true; - end else if (MipMap = mmMipmapGlu) then - aBuildWithGlu := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; - const aWidth: Integer; const aHeight: Integer); -var - s: Single; -begin - if (Data <> aData) then begin - if (Assigned(Data)) then - FreeMem(Data); - fData := aData; - end; - - if not Assigned(fData) then begin - fPixelSize := 0; - fRowSize := 0; - end else begin - FillChar(fDimension, SizeOf(fDimension), 0); - if aWidth <> -1 then begin - fDimension.Fields := fDimension.Fields + [ffX]; - fDimension.X := aWidth; - end; - - if aHeight <> -1 then begin - fDimension.Fields := fDimension.Fields + [ffY]; - fDimension.Y := aHeight; - end; - - s := TFormatDescriptor.Get(aFormat).PixelSize; - fFormat := aFormat; - fPixelSize := Ceil(s); - fRowSize := Ceil(s * aWidth); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.FlipHorz: Boolean; -begin - result := false; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.FlipVert: Boolean; -begin - result := false; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmap - PUBLIC////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.AfterConstruction; -begin - inherited AfterConstruction; - - fID := 0; - fTarget := 0; - fIsResident := false; - - fMipMap := glBitmapDefaultMipmap; - fFreeDataAfterGenTexture := glBitmapGetDefaultFreeDataAfterGenTexture; - fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; - - glBitmapGetDefaultFilter (fFilterMin, fFilterMag); - glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); - glBitmapGetDefaultSwizzle (fSwizzle[0], fSwizzle[1], fSwizzle[2], fSwizzle[3]); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.BeforeDestruction; -var - NewData: PByte; -begin - if fFreeDataOnDestroy then begin - NewData := nil; - SetDataPointer(NewData, tfEmpty); //be careful, Data could be freed by this method - end; - if (fID > 0) and fDeleteTextureOnFree then - glDeleteTextures(1, @fID); - inherited BeforeDestruction; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.PrepareResType(var aResource: String; var aResType: PChar); -var - TempPos: Integer; -begin - if not Assigned(aResType) then begin - TempPos := Pos('.', aResource); - aResType := PChar(UpperCase(Copy(aResource, TempPos + 1, Length(aResource) - TempPos))); - aResource := UpperCase(Copy(aResource, 0, TempPos -1)); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.LoadFromFile(const aFilename: String); -var - fs: TFileStream; -begin - if not FileExists(aFilename) then - raise EglBitmap.Create('file does not exist: ' + aFilename); - fFilename := aFilename; - fs := TFileStream.Create(fFilename, fmOpenRead); - try - fs.Position := 0; - LoadFromStream(fs); - finally - fs.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.LoadFromStream(const aStream: TStream); -begin - {$IFDEF GLB_SUPPORT_PNG_READ} - if not LoadPNG(aStream) then - {$ENDIF} - {$IFDEF GLB_SUPPORT_JPEG_READ} - if not LoadJPEG(aStream) then - {$ENDIF} - if not LoadDDS(aStream) then - if not LoadTGA(aStream) then - if not LoadBMP(aStream) then - raise EglBitmap.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.LoadFromFunc(const aSize: TglBitmapPixelPosition; const aFunc: TglBitmapFunction; - const aFormat: TglBitmapFormat; const aArgs: Pointer); -var - tmpData: PByte; - size: Integer; -begin - size := TFormatDescriptor.Get(aFormat).GetSize(aSize); - GetMem(tmpData, size); - try - FillChar(tmpData^, size, #$FF); - SetDataPointer(tmpData, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method - except - if Assigned(tmpData) then - FreeMem(tmpData); - raise; - end; - AddFunc(Self, aFunc, false, aFormat, aArgs); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.LoadFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar); -var - rs: TResourceStream; -begin - PrepareResType(aResource, aResType); - rs := TResourceStream.Create(aInstance, aResource, aResType); - try - LoadFromStream(rs); - finally - rs.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.LoadFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); -var - rs: TResourceStream; -begin - rs := TResourceStream.CreateFromID(aInstance, aResourceID, aResType); - try - LoadFromStream(rs); - finally - rs.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType); -var - fs: TFileStream; -begin - fs := TFileStream.Create(aFileName, fmCreate); - try - fs.Position := 0; - SaveToStream(fs, aFileType); - finally - fs.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); -begin - case aFileType of - {$IFDEF GLB_SUPPORT_PNG_WRITE} - ftPNG: SavePNG(aStream); - {$ENDIF} - {$IFDEF GLB_SUPPORT_JPEG_WRITE} - ftJPEG: SaveJPEG(aStream); - {$ENDIF} - ftDDS: SaveDDS(aStream); - ftTGA: SaveTGA(aStream); - ftBMP: SaveBMP(aStream); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddFunc(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: Pointer): Boolean; -begin - result := AddFunc(Self, aFunc, aCreateTemp, Format, aArgs); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddFunc(const aSource: TglBitmap; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; - const aFormat: TglBitmapFormat; const aArgs: Pointer): Boolean; -var - DestData, TmpData, SourceData: pByte; - TempHeight, TempWidth: Integer; - SourceFD, DestFD: TFormatDescriptor; - SourceMD, DestMD: Pointer; - - FuncRec: TglBitmapFunctionRec; -begin - Assert(Assigned(Data)); - Assert(Assigned(aSource)); - Assert(Assigned(aSource.Data)); - - result := false; - if Assigned(aSource.Data) and ((aSource.Height > 0) or (aSource.Width > 0)) then begin - SourceFD := TFormatDescriptor.Get(aSource.Format); - DestFD := TFormatDescriptor.Get(aFormat); - - if (SourceFD.IsCompressed) then - raise EglBitmapUnsupportedFormat.Create('compressed formats are not supported: ', SourceFD.Format); - if (DestFD.IsCompressed) then - raise EglBitmapUnsupportedFormat.Create('compressed formats are not supported: ', DestFD.Format); - - // inkompatible Formats so CreateTemp - if (SourceFD.PixelSize <> DestFD.PixelSize) then - aCreateTemp := true; - - // Values - TempHeight := Max(1, aSource.Height); - TempWidth := Max(1, aSource.Width); - - FuncRec.Sender := Self; - FuncRec.Args := aArgs; - - TmpData := nil; - if aCreateTemp then begin - GetMem(TmpData, DestFD.GetSize(TempWidth, TempHeight)); - DestData := TmpData; - end else - DestData := Data; - - try - SourceFD.PreparePixel(FuncRec.Source); - DestFD.PreparePixel (FuncRec.Dest); - - SourceMD := SourceFD.CreateMappingData; - DestMD := DestFD.CreateMappingData; - - FuncRec.Size := aSource.Dimension; - FuncRec.Position.Fields := FuncRec.Size.Fields; - - try - SourceData := aSource.Data; - FuncRec.Position.Y := 0; - while FuncRec.Position.Y < TempHeight do begin - FuncRec.Position.X := 0; - while FuncRec.Position.X < TempWidth do begin - SourceFD.Unmap(SourceData, FuncRec.Source, SourceMD); - aFunc(FuncRec); - DestFD.Map(FuncRec.Dest, DestData, DestMD); - inc(FuncRec.Position.X); - end; - inc(FuncRec.Position.Y); - end; - - // Updating Image or InternalFormat - if aCreateTemp then - SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height) //be careful, Data could be freed by this method - else if (aFormat <> fFormat) then - Format := aFormat; - - result := true; - finally - SourceFD.FreeMappingData(SourceMD); - DestFD.FreeMappingData(DestMD); - end; - except - if aCreateTemp and Assigned(TmpData) then - FreeMem(TmpData); - raise; - end; - end; -end; - -{$IFDEF GLB_SDL} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignToSurface(out aSurface: PSDL_Surface): Boolean; -var - Row, RowSize: Integer; - SourceData, TmpData: PByte; - TempDepth: Integer; - FormatDesc: TFormatDescriptor; - - function GetRowPointer(Row: Integer): pByte; - begin - result := aSurface.pixels; - Inc(result, Row * RowSize); - end; - -begin - result := false; - - FormatDesc := TFormatDescriptor.Get(Format); - if FormatDesc.IsCompressed then - raise EglBitmapUnsupportedFormat.Create(Format); - - if Assigned(Data) then begin - case Trunc(FormatDesc.PixelSize) of - 1: TempDepth := 8; - 2: TempDepth := 16; - 3: TempDepth := 24; - 4: TempDepth := 32; - else - raise EglBitmapUnsupportedFormat.Create(Format); - end; - - aSurface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, TempDepth, - FormatDesc.RedMask, FormatDesc.GreenMask, FormatDesc.BlueMask, FormatDesc.AlphaMask); - SourceData := Data; - RowSize := FormatDesc.GetSize(FileWidth, 1); - - for Row := 0 to FileHeight-1 do begin - TmpData := GetRowPointer(Row); - if Assigned(TmpData) then begin - Move(SourceData^, TmpData^, RowSize); - inc(SourceData, RowSize); - end; - end; - result := true; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignFromSurface(const aSurface: PSDL_Surface): Boolean; -var - pSource, pData, pTempData: PByte; - Row, RowSize, TempWidth, TempHeight: Integer; - IntFormat: TglBitmapFormat; - FormatDesc: TFormatDescriptor; - - function GetRowPointer(Row: Integer): pByte; - begin - result := aSurface^.pixels; - Inc(result, Row * RowSize); - end; - -begin - result := false; - if (Assigned(aSurface)) then begin - with aSurface^.format^ do begin - for IntFormat := High(TglBitmapFormat) to Low(TglBitmapFormat) do begin - FormatDesc := TFormatDescriptor.Get(IntFormat); - if (FormatDesc.MaskMatch(RMask, GMask, BMask, AMask)) then - break; - end; - if (IntFormat = tfEmpty) then - raise EglBitmapException.Create('AssignFromSurface - Invalid Pixelformat.'); - end; - - TempWidth := aSurface^.w; - TempHeight := aSurface^.h; - RowSize := FormatDesc.GetSize(TempWidth, 1); - GetMem(pData, TempHeight * RowSize); - try - pTempData := pData; - for Row := 0 to TempHeight -1 do begin - pSource := GetRowPointer(Row); - if (Assigned(pSource)) then begin - Move(pSource^, pTempData^, RowSize); - Inc(pTempData, RowSize); - end; - end; - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method - result := true; - except - if Assigned(pData) then - FreeMem(pData); - raise; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; -var - Row, Col, AlphaInterleave: Integer; - pSource, pDest: PByte; - - function GetRowPointer(Row: Integer): pByte; - begin - result := aSurface.pixels; - Inc(result, Row * Width); - end; - -begin - result := false; - if Assigned(Data) then begin - if Format in [tfAlpha8, tfLuminance8Alpha8, tfBGRA8, tfRGBA8] then begin - aSurface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, 8, $FF, $FF, $FF, 0); - - AlphaInterleave := 0; - case Format of - tfLuminance8Alpha8: - AlphaInterleave := 1; - tfBGRA8, tfRGBA8: - AlphaInterleave := 3; - end; - - pSource := Data; - for Row := 0 to Height -1 do begin - pDest := GetRowPointer(Row); - if Assigned(pDest) then begin - for Col := 0 to Width -1 do begin - Inc(pSource, AlphaInterleave); - pDest^ := pSource^; - Inc(pDest); - Inc(pSource); - end; - end; - end; - result := true; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; -var - bmp: TglBitmap2D; -begin - bmp := TglBitmap2D.Create; - try - bmp.AssignFromSurface(aSurface); - result := AddAlphaFromGlBitmap(bmp, aFunc, aArgs); - finally - bmp.Free; - end; -end; -{$ENDIF} - -{$IFDEF GLB_DELPHI} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function CreateGrayPalette: HPALETTE; -var - Idx: Integer; - Pal: PLogPalette; -begin - GetMem(Pal, SizeOf(TLogPalette) + (SizeOf(TPaletteEntry) * 256)); - - Pal.palVersion := $300; - Pal.palNumEntries := 256; - - for Idx := 0 to Pal.palNumEntries - 1 do begin - Pal.palPalEntry[Idx].peRed := Idx; - Pal.palPalEntry[Idx].peGreen := Idx; - Pal.palPalEntry[Idx].peBlue := Idx; - Pal.palPalEntry[Idx].peFlags := 0; - end; - Result := CreatePalette(Pal^); - FreeMem(Pal); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignToBitmap(const aBitmap: TBitmap): Boolean; -var - Row: Integer; - pSource, pData: PByte; -begin - result := false; - if Assigned(Data) then begin - if Assigned(aBitmap) then begin - aBitmap.Width := Width; - aBitmap.Height := Height; - - case Format of - tfAlpha8, tfLuminance8: begin - aBitmap.PixelFormat := pf8bit; - aBitmap.Palette := CreateGrayPalette; - end; - tfRGB5A1: - aBitmap.PixelFormat := pf15bit; - tfR5G6B5: - aBitmap.PixelFormat := pf16bit; - tfRGB8, tfBGR8: - aBitmap.PixelFormat := pf24bit; - tfRGBA8, tfBGRA8: - aBitmap.PixelFormat := pf32bit; - else - raise EglBitmap.Create('AssignToBitmap - Invalid Pixelformat.'); - end; - - pSource := Data; - for Row := 0 to FileHeight -1 do begin - pData := aBitmap.Scanline[Row]; - Move(pSource^, pData^, fRowSize); - Inc(pSource, fRowSize); - if (Format in [tfRGB8, tfRGBA8]) then // swap RGB(A) to BGR(A) - SwapRGB(pData, FileWidth, Format = tfRGBA8); - end; - result := true; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignFromBitmap(const aBitmap: TBitmap): Boolean; -var - pSource, pData, pTempData: PByte; - Row, RowSize, TempWidth, TempHeight: Integer; - IntFormat: TglBitmapFormat; -begin - result := false; - - if (Assigned(aBitmap)) then begin - case aBitmap.PixelFormat of - pf8bit: - IntFormat := tfLuminance8; - pf15bit: - IntFormat := tfRGB5A1; - pf16bit: - IntFormat := tfR5G6B5; - pf24bit: - IntFormat := tfBGR8; - pf32bit: - IntFormat := tfBGRA8; - else - raise EglBitmap.Create('AssignFromBitmap - Invalid Pixelformat.'); - end; - - TempWidth := aBitmap.Width; - TempHeight := aBitmap.Height; - RowSize := TFormatDescriptor.Get(IntFormat).GetSize(TempWidth, 1); - GetMem(pData, TempHeight * RowSize); - try - pTempData := pData; - for Row := 0 to TempHeight -1 do begin - pSource := aBitmap.Scanline[Row]; - if (Assigned(pSource)) then begin - Move(pSource^, pTempData^, RowSize); - Inc(pTempData, RowSize); - end; - end; - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method - result := true; - except - if Assigned(pData) then - FreeMem(pData); - raise; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; -var - Row, Col, AlphaInterleave: Integer; - pSource, pDest: PByte; -begin - result := false; - - if Assigned(Data) then begin - if (Format in [tfAlpha8, tfLuminance8Alpha8, tfRGBA8, tfBGRA8]) then begin - if Assigned(aBitmap) then begin - aBitmap.PixelFormat := pf8bit; - aBitmap.Palette := CreateGrayPalette; - aBitmap.Width := Width; - aBitmap.Height := Height; - - case Format of - tfLuminance8Alpha8: - AlphaInterleave := 1; - tfRGBA8, tfBGRA8: - AlphaInterleave := 3; - else - AlphaInterleave := 0; - end; - - // Copy Data - pSource := Data; - - for Row := 0 to Height -1 do begin - pDest := aBitmap.Scanline[Row]; - if Assigned(pDest) then begin - for Col := 0 to Width -1 do begin - Inc(pSource, AlphaInterleave); - pDest^ := pSource^; - Inc(pDest); - Inc(pSource); - end; - end; - end; - result := true; - end; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; -var - tex: TglBitmap2D; -begin - tex := TglBitmap2D.Create; - try - tex.AssignFromBitmap(ABitmap); - result := AddAlphaFromglBitmap(tex, aFunc, aArgs); - finally - tex.Free; - end; -end; -{$ENDIF} - -{$IFDEF GLB_LAZARUS} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignToLazIntfImage(const aImage: TLazIntfImage): Boolean; -var - rid: TRawImageDescription; - FormatDesc: TFormatDescriptor; -begin - result := false; - if not Assigned(aImage) or (Format = tfEmpty) then - exit; - FormatDesc := TFormatDescriptor.Get(Format); - if FormatDesc.IsCompressed then - exit; - - FillChar(rid{%H-}, SizeOf(rid), 0); - if (Format in [ - tfAlpha4, tfAlpha8, tfAlpha12, tfAlpha16, - tfLuminance4, tfLuminance8, tfLuminance12, tfLuminance16, - tfLuminance4Alpha4, tfLuminance8Alpha8, tfLuminance12Alpha4, tfLuminance12Alpha12, tfLuminance16Alpha16]) then - rid.Format := ricfGray - else - rid.Format := ricfRGBA; - - rid.Width := Width; - rid.Height := Height; - rid.Depth := CountSetBits(FormatDesc.RedMask or FormatDesc.GreenMask or FormatDesc.BlueMask or FormatDesc.AlphaMask); - rid.BitOrder := riboBitsInOrder; - rid.ByteOrder := riboLSBFirst; - rid.LineOrder := riloTopToBottom; - rid.LineEnd := rileTight; - rid.BitsPerPixel := Round(8 * FormatDesc.PixelSize); - rid.RedPrec := CountSetBits(FormatDesc.Range.r); - rid.GreenPrec := CountSetBits(FormatDesc.Range.g); - rid.BluePrec := CountSetBits(FormatDesc.Range.b); - rid.AlphaPrec := CountSetBits(FormatDesc.Range.a); - rid.RedShift := FormatDesc.Shift.r; - rid.GreenShift := FormatDesc.Shift.g; - rid.BlueShift := FormatDesc.Shift.b; - rid.AlphaShift := FormatDesc.Shift.a; - - rid.MaskBitsPerPixel := 0; - rid.PaletteColorCount := 0; - - aImage.DataDescription := rid; - aImage.CreateData; - - Move(Data^, aImage.PixelData^, FormatDesc.GetSize(Dimension)); - - result := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean; -var - f: TglBitmapFormat; - FormatDesc: TFormatDescriptor; - ImageData: PByte; - ImageSize: Integer; - CanCopy: Boolean; - - procedure CopyConvert; - var - bfFormat: TbmpBitfieldFormat; - pSourceLine, pDestLine: PByte; - pSourceMD, pDestMD: Pointer; - x, y: Integer; - pixel: TglBitmapPixelData; - begin - bfFormat := TbmpBitfieldFormat.Create; - with aImage.DataDescription do begin - bfFormat.RedMask := ((1 shl RedPrec) - 1) shl RedShift; - bfFormat.GreenMask := ((1 shl GreenPrec) - 1) shl GreenShift; - bfFormat.BlueMask := ((1 shl BluePrec) - 1) shl BlueShift; - bfFormat.AlphaMask := ((1 shl AlphaPrec) - 1) shl AlphaShift; - bfFormat.PixelSize := BitsPerPixel / 8; - end; - pSourceMD := bfFormat.CreateMappingData; - pDestMD := FormatDesc.CreateMappingData; - try - for y := 0 to aImage.Height-1 do begin - pSourceLine := aImage.PixelData + y {%H-}* aImage.DataDescription.BytesPerLine; - pDestLine := ImageData + y * Round(FormatDesc.PixelSize * aImage.Width); - for x := 0 to aImage.Width-1 do begin - bfFormat.Unmap(pSourceLine, pixel, pSourceMD); - FormatDesc.Map(pixel, pDestLine, pDestMD); - end; - end; - finally - FormatDesc.FreeMappingData(pDestMD); - bfFormat.FreeMappingData(pSourceMD); - bfFormat.Free; - end; - end; - -begin - result := false; - if not Assigned(aImage) then - exit; - for f := High(f) downto Low(f) do begin - FormatDesc := TFormatDescriptor.Get(f); - with aImage.DataDescription do - if FormatDesc.MaskMatch( - (QWord(1 shl RedPrec )-1) shl RedShift, - (QWord(1 shl GreenPrec)-1) shl GreenShift, - (QWord(1 shl BluePrec )-1) shl BlueShift, - (QWord(1 shl AlphaPrec)-1) shl AlphaShift) then - break; - end; - - if (f = tfEmpty) then - exit; - - CanCopy := - (Round(FormatDesc.PixelSize * 8) = aImage.DataDescription.Depth) and - (aImage.DataDescription.BitsPerPixel = aImage.DataDescription.Depth); - - ImageSize := FormatDesc.GetSize(aImage.Width, aImage.Height); - ImageData := GetMem(ImageSize); - try - if CanCopy then - Move(aImage.PixelData^, ImageData^, ImageSize) - else - CopyConvert; - SetDataPointer(ImageData, f, aImage.Width, aImage.Height); //be careful, Data could be freed by this method - except - if Assigned(ImageData) then - FreeMem(ImageData); - raise; - end; - - result := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AssignAlphaToLazIntfImage(const aImage: TLazIntfImage): Boolean; -var - rid: TRawImageDescription; - FormatDesc: TFormatDescriptor; - Pixel: TglBitmapPixelData; - x, y: Integer; - srcMD: Pointer; - src, dst: PByte; -begin - result := false; - if not Assigned(aImage) or (Format = tfEmpty) then - exit; - FormatDesc := TFormatDescriptor.Get(Format); - if FormatDesc.IsCompressed or not FormatDesc.HasAlpha then - exit; - - FillChar(rid{%H-}, SizeOf(rid), 0); - rid.Format := ricfGray; - rid.Width := Width; - rid.Height := Height; - rid.Depth := CountSetBits(FormatDesc.Range.a); - rid.BitOrder := riboBitsInOrder; - rid.ByteOrder := riboLSBFirst; - rid.LineOrder := riloTopToBottom; - rid.LineEnd := rileTight; - rid.BitsPerPixel := 8 * Ceil(rid.Depth / 8); - rid.RedPrec := CountSetBits(FormatDesc.Range.a); - rid.GreenPrec := 0; - rid.BluePrec := 0; - rid.AlphaPrec := 0; - rid.RedShift := 0; - rid.GreenShift := 0; - rid.BlueShift := 0; - rid.AlphaShift := 0; - - rid.MaskBitsPerPixel := 0; - rid.PaletteColorCount := 0; - - aImage.DataDescription := rid; - aImage.CreateData; - - srcMD := FormatDesc.CreateMappingData; - try - FormatDesc.PreparePixel(Pixel); - src := Data; - dst := aImage.PixelData; - for y := 0 to Height-1 do - for x := 0 to Width-1 do begin - FormatDesc.Unmap(src, Pixel, srcMD); - case rid.BitsPerPixel of - 8: begin - dst^ := Pixel.Data.a; - inc(dst); - end; - 16: begin - PWord(dst)^ := Pixel.Data.a; - inc(dst, 2); - end; - 24: begin - PByteArray(dst)^[0] := PByteArray(@Pixel.Data.a)^[0]; - PByteArray(dst)^[1] := PByteArray(@Pixel.Data.a)^[1]; - PByteArray(dst)^[2] := PByteArray(@Pixel.Data.a)^[2]; - inc(dst, 3); - end; - 32: begin - PCardinal(dst)^ := Pixel.Data.a; - inc(dst, 4); - end; - else - raise EglBitmapUnsupportedFormat.Create(Format); - end; - end; - finally - FormatDesc.FreeMappingData(srcMD); - end; - result := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; -var - tex: TglBitmap2D; -begin - tex := TglBitmap2D.Create; - try - tex.AssignFromLazIntfImage(aImage); - result := AddAlphaFromglBitmap(tex, aFunc, aArgs); - finally - tex.Free; - end; -end; -{$ENDIF} - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar; - const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; -var - rs: TResourceStream; -begin - PrepareResType(aResource, aResType); - rs := TResourceStream.Create(aInstance, aResource, aResType); - try - result := AddAlphaFromStream(rs, aFunc, aArgs); - finally - rs.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; - const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; -var - rs: TResourceStream; -begin - rs := TResourceStream.CreateFromID(aInstance, aResourceID, aResType); - try - result := AddAlphaFromStream(rs, aFunc, aArgs); - finally - rs.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; -begin - if TFormatDescriptor.Get(Format).IsCompressed then - raise EglBitmapUnsupportedFormat.Create(Format); - result := AddFunc(Self, aFunc, false, TFormatDescriptor.Get(Format).WithAlpha, aArgs); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; -var - FS: TFileStream; -begin - FS := TFileStream.Create(aFileName, fmOpenRead); - try - result := AddAlphaFromStream(FS, aFunc, aArgs); - finally - FS.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; -var - tex: TglBitmap2D; -begin - tex := TglBitmap2D.Create(aStream); - try - result := AddAlphaFromglBitmap(tex, aFunc, aArgs); - finally - tex.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromGlBitmap(const aBitmap: TglBitmap; aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; -var - DestData, DestData2, SourceData: pByte; - TempHeight, TempWidth: Integer; - SourceFD, DestFD: TFormatDescriptor; - SourceMD, DestMD, DestMD2: Pointer; - - FuncRec: TglBitmapFunctionRec; -begin - result := false; - - Assert(Assigned(Data)); - Assert(Assigned(aBitmap)); - Assert(Assigned(aBitmap.Data)); - - if ((aBitmap.Width = Width) and (aBitmap.Height = Height)) then begin - result := ConvertTo(TFormatDescriptor.Get(Format).WithAlpha); - - SourceFD := TFormatDescriptor.Get(aBitmap.Format); - DestFD := TFormatDescriptor.Get(Format); - - if not Assigned(aFunc) then begin - aFunc := glBitmapAlphaFunc; - FuncRec.Args := {%H-}Pointer(SourceFD.HasAlpha); - end else - FuncRec.Args := aArgs; - - // Values - TempHeight := aBitmap.FileHeight; - TempWidth := aBitmap.FileWidth; - - FuncRec.Sender := Self; - FuncRec.Size := Dimension; - FuncRec.Position.Fields := FuncRec.Size.Fields; - - DestData := Data; - DestData2 := Data; - SourceData := aBitmap.Data; - - // Mapping - SourceFD.PreparePixel(FuncRec.Source); - DestFD.PreparePixel (FuncRec.Dest); - - SourceMD := SourceFD.CreateMappingData; - DestMD := DestFD.CreateMappingData; - DestMD2 := DestFD.CreateMappingData; - try - FuncRec.Position.Y := 0; - while FuncRec.Position.Y < TempHeight do begin - FuncRec.Position.X := 0; - while FuncRec.Position.X < TempWidth do begin - SourceFD.Unmap(SourceData, FuncRec.Source, SourceMD); - DestFD.Unmap (DestData, FuncRec.Dest, DestMD); - aFunc(FuncRec); - DestFD.Map(FuncRec.Dest, DestData2, DestMD2); - inc(FuncRec.Position.X); - end; - inc(FuncRec.Position.Y); - end; - finally - SourceFD.FreeMappingData(SourceMD); - DestFD.FreeMappingData(DestMD); - DestFD.FreeMappingData(DestMD2); - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte): Boolean; -begin - result := AddAlphaFromColorKeyFloat(aRed / $FF, aGreen / $FF, aBlue / $FF, aDeviation / $FF); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal): Boolean; -var - PixelData: TglBitmapPixelData; -begin - TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); - result := AddAlphaFromColorKeyFloat( - aRed / PixelData.Range.r, - aGreen / PixelData.Range.g, - aBlue / PixelData.Range.b, - aDeviation / Max(PixelData.Range.r, Max(PixelData.Range.g, PixelData.Range.b))); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single): Boolean; -var - values: array[0..2] of Single; - tmp: Cardinal; - i: Integer; - PixelData: TglBitmapPixelData; -begin - TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); - with PixelData do begin - values[0] := aRed; - values[1] := aGreen; - values[2] := aBlue; - - for i := 0 to 2 do begin - tmp := Trunc(Range.arr[i] * aDeviation); - Data.arr[i] := Min(Range.arr[i], Trunc(Range.arr[i] * values[i] + tmp)); - Range.arr[i] := Max(0, Trunc(Range.arr[i] * values[i] - tmp)); - end; - Data.a := 0; - Range.a := 0; - end; - result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, @PixelData); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromValue(const aAlpha: Byte): Boolean; -begin - result := AddAlphaFromValueFloat(aAlpha / $FF); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; -var - PixelData: TglBitmapPixelData; -begin - TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); - result := AddAlphaFromValueFloat(aAlpha / PixelData.Range.a); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.AddAlphaFromValueFloat(const aAlpha: Single): Boolean; -var - PixelData: TglBitmapPixelData; -begin - TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); - with PixelData do - Data.a := Min(Range.a, Max(0, Round(Range.a * aAlpha))); - result := AddAlphaFromFunc(glBitmapValueAlphaFunc, @PixelData.Data.a); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.RemoveAlpha: Boolean; -var - FormatDesc: TFormatDescriptor; -begin - result := false; - FormatDesc := TFormatDescriptor.Get(Format); - if Assigned(Data) then begin - if FormatDesc.IsCompressed or not FormatDesc.HasAlpha then - raise EglBitmapUnsupportedFormat.Create(Format); - result := ConvertTo(FormatDesc.WithoutAlpha); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.Clone: TglBitmap; -var - Temp: TglBitmap; - TempPtr: PByte; - Size: Integer; -begin - result := nil; - Temp := (ClassType.Create as TglBitmap); - try - // copy texture data if assigned - if Assigned(Data) then begin - Size := TFormatDescriptor.Get(Format).GetSize(fDimension); - GetMem(TempPtr, Size); - try - Move(Data^, TempPtr^, Size); - Temp.SetDataPointer(TempPtr, Format, Width, Height); //be careful, Data could be freed by this method - except - if Assigned(TempPtr) then - FreeMem(TempPtr); - raise; - end; - end else begin - TempPtr := nil; - Temp.SetDataPointer(TempPtr, Format, Width, Height); //be careful, Data could be freed by this method - end; - - // copy properties - Temp.fID := ID; - Temp.fTarget := Target; - Temp.fFormat := Format; - Temp.fMipMap := MipMap; - Temp.fAnisotropic := Anisotropic; - Temp.fBorderColor := fBorderColor; - Temp.fDeleteTextureOnFree := DeleteTextureOnFree; - Temp.fFreeDataAfterGenTexture := FreeDataAfterGenTexture; - Temp.fFilterMin := fFilterMin; - Temp.fFilterMag := fFilterMag; - Temp.fWrapS := fWrapS; - Temp.fWrapT := fWrapT; - Temp.fWrapR := fWrapR; - Temp.fFilename := fFilename; - Temp.fCustomName := fCustomName; - Temp.fCustomNameW := fCustomNameW; - Temp.fCustomData := fCustomData; - - result := Temp; - except - FreeAndNil(Temp); - raise; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.ConvertTo(const aFormat: TglBitmapFormat): Boolean; -var - SourceFD, DestFD: TFormatDescriptor; - SourcePD, DestPD: TglBitmapPixelData; - ShiftData: TShiftData; - - function CanCopyDirect: Boolean; - begin - result := - ((SourcePD.Range.r = DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and - ((SourcePD.Range.g = DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and - ((SourcePD.Range.b = DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and - ((SourcePD.Range.a = DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0)); - end; - - function CanShift: Boolean; - begin - result := - ((SourcePD.Range.r >= DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and - ((SourcePD.Range.g >= DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and - ((SourcePD.Range.b >= DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and - ((SourcePD.Range.a >= DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0)); - end; - - function GetShift(aSource, aDest: Cardinal) : ShortInt; - begin - result := 0; - while (aSource > aDest) and (aSource > 0) do begin - inc(result); - aSource := aSource shr 1; - end; - end; - -begin - if (aFormat <> fFormat) and (aFormat <> tfEmpty) then begin - SourceFD := TFormatDescriptor.Get(Format); - DestFD := TFormatDescriptor.Get(aFormat); - - SourceFD.PreparePixel(SourcePD); - DestFD.PreparePixel (DestPD); - - if CanCopyDirect then - result := AddFunc(Self, glBitmapConvertCopyFunc, false, aFormat) - else if CanShift then begin - ShiftData.r := GetShift(SourcePD.Range.r, DestPD.Range.r); - ShiftData.g := GetShift(SourcePD.Range.g, DestPD.Range.g); - ShiftData.b := GetShift(SourcePD.Range.b, DestPD.Range.b); - ShiftData.a := GetShift(SourcePD.Range.a, DestPD.Range.a); - result := AddFunc(Self, glBitmapConvertShiftRGBAFunc, false, aFormat, @ShiftData); - end else - result := AddFunc(Self, glBitmapConvertCalculateRGBAFunc, false, aFormat); - end else - result := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.Invert(const aUseRGB: Boolean; const aUseAlpha: Boolean); -begin - if aUseRGB or aUseAlpha then - AddFunc(glBitmapInvertFunc, false, {%H-}Pointer( - ((Byte(aUseAlpha) and 1) shl 1) or - (Byte(aUseRGB) and 1) )); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); -begin - fBorderColor[0] := aRed; - fBorderColor[1] := aGreen; - fBorderColor[2] := aBlue; - fBorderColor[3] := aAlpha; - if (ID > 0) then begin - Bind(false); - glTexParameterfv(Target, GL_TEXTURE_BORDER_COLOR, @fBorderColor[0]); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.FreeData; -var - TempPtr: PByte; -begin - TempPtr := nil; - SetDataPointer(TempPtr, tfEmpty); //be careful, Data could be freed by this method -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.FillWithColor(const aRed, aGreen, aBlue: Byte; - const aAlpha: Byte); -begin - FillWithColorFloat(aRed/$FF, aGreen/$FF, aBlue/$FF, aAlpha/$FF); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal); -var - PixelData: TglBitmapPixelData; -begin - TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); - FillWithColorFloat( - aRed / PixelData.Range.r, - aGreen / PixelData.Range.g, - aBlue / PixelData.Range.b, - aAlpha / PixelData.Range.a); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha: Single); -var - PixelData: TglBitmapPixelData; -begin - TFormatDescriptor.Get(Format).PreparePixel(PixelData); - with PixelData do begin - Data.r := Max(0, Min(Range.r, Trunc(Range.r * aRed))); - Data.g := Max(0, Min(Range.g, Trunc(Range.g * aGreen))); - Data.b := Max(0, Min(Range.b, Trunc(Range.b * aBlue))); - Data.a := Max(0, Min(Range.a, Trunc(Range.a * aAlpha))); - end; - AddFunc(glBitmapFillWithColorFunc, false, @PixelData); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetFilter(const aMin, aMag: GLenum); -begin - //check MIN filter - case aMin of - GL_NEAREST: - fFilterMin := GL_NEAREST; - GL_LINEAR: - fFilterMin := GL_LINEAR; - GL_NEAREST_MIPMAP_NEAREST: - fFilterMin := GL_NEAREST_MIPMAP_NEAREST; - GL_LINEAR_MIPMAP_NEAREST: - fFilterMin := GL_LINEAR_MIPMAP_NEAREST; - GL_NEAREST_MIPMAP_LINEAR: - fFilterMin := GL_NEAREST_MIPMAP_LINEAR; - GL_LINEAR_MIPMAP_LINEAR: - fFilterMin := GL_LINEAR_MIPMAP_LINEAR; - else - raise EglBitmap.Create('SetFilter - Unknow MIN filter.'); - end; - - //check MAG filter - case aMag of - GL_NEAREST: - fFilterMag := GL_NEAREST; - GL_LINEAR: - fFilterMag := GL_LINEAR; - else - raise EglBitmap.Create('SetFilter - Unknow MAG filter.'); - end; - - //apply filter - if (ID > 0) then begin - Bind(false); - glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, fFilterMag); - - if (MipMap = mmNone) or (Target = GL_TEXTURE_RECTANGLE) then begin - case fFilterMin of - GL_NEAREST, GL_LINEAR: - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); - GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR: - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR: - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - end; - end else - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetWrap(const S: GLenum; const T: GLenum; const R: GLenum); - - procedure CheckAndSetWrap(const aValue: Cardinal; var aTarget: Cardinal); - begin - case aValue of - GL_CLAMP: - aTarget := GL_CLAMP; - - GL_REPEAT: - aTarget := GL_REPEAT; - - GL_CLAMP_TO_EDGE: begin - if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then - aTarget := GL_CLAMP_TO_EDGE - else - aTarget := GL_CLAMP; - end; - - GL_CLAMP_TO_BORDER: begin - if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then - aTarget := GL_CLAMP_TO_BORDER - else - aTarget := GL_CLAMP; - end; - - GL_MIRRORED_REPEAT: begin - if GL_VERSION_1_4 or GL_ARB_texture_mirrored_repeat or GL_IBM_texture_mirrored_repeat then - aTarget := GL_MIRRORED_REPEAT - else - raise EglBitmap.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (S).'); - end; - else - raise EglBitmap.Create('SetWrap - Unknow Texturewrap'); - end; - end; - -begin - CheckAndSetWrap(S, fWrapS); - CheckAndSetWrap(T, fWrapT); - CheckAndSetWrap(R, fWrapR); - - if (ID > 0) then begin - Bind(false); - glTexParameteri(Target, GL_TEXTURE_WRAP_S, fWrapS); - glTexParameteri(Target, GL_TEXTURE_WRAP_T, fWrapT); - glTexParameteri(Target, GL_TEXTURE_WRAP_R, fWrapR); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SetSwizzle(const r, g, b, a: GLenum); - - procedure CheckAndSetValue(const aValue: GLenum; const aIndex: Integer); - begin - if (aValue = GL_ZERO) or (aValue = GL_ONE) or (aValue = GL_ALPHA) or - (aValue = GL_RED) or (aValue = GL_GREEN) or (aValue = GL_BLUE) then - fSwizzle[aIndex] := aValue - else - raise EglBitmap.Create('SetSwizzle - Unknow Swizle Value'); - end; - -begin - if not (GL_ARB_texture_swizzle or GL_EXT_texture_swizzle or GL_VERSION_3_3) then - raise EglBitmapNotSupported.Create('texture swizzle is not supported'); - CheckAndSetValue(r, 0); - CheckAndSetValue(g, 1); - CheckAndSetValue(b, 2); - CheckAndSetValue(a, 3); - - if (ID > 0) then begin - Bind(false); - glTexParameteriv(Target, GL_TEXTURE_SWIZZLE_RGBA, PGLint(@fSwizzle[0])); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.Bind(const aEnableTextureUnit: Boolean); -begin - if aEnableTextureUnit then - glEnable(Target); - if (ID > 0) then - glBindTexture(Target, ID); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.Unbind(const aDisableTextureUnit: Boolean); -begin - if aDisableTextureUnit then - glDisable(Target); - glBindTexture(Target, 0); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TglBitmap.Create; -begin - if (ClassType = TglBitmap) then - raise EglBitmap.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); -{$IFDEF GLB_NATIVE_OGL} - glbReadOpenGLExtensions; -{$ENDIF} - inherited Create; - fFormat := glBitmapGetDefaultFormat; - fFreeDataOnDestroy := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TglBitmap.Create(const aFileName: String); -begin - Create; - LoadFromFile(aFileName); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TglBitmap.Create(const aStream: TStream); -begin - Create; - LoadFromStream(aStream); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TglBitmap.Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; aData: PByte); -var - ImageSize: Integer; -begin - Create; - if not Assigned(aData) then begin - ImageSize := TFormatDescriptor.Get(aFormat).GetSize(aSize); - GetMem(aData, ImageSize); - try - FillChar(aData^, ImageSize, #$FF); - SetDataPointer(aData, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method - except - if Assigned(aData) then - FreeMem(aData); - raise; - end; - end else begin - SetDataPointer(aData, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method - fFreeDataOnDestroy := false; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TglBitmap.Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer); -begin - Create; - LoadFromFunc(aSize, aFunc, aFormat, aArgs); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TglBitmap.Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar); -begin - Create; - LoadFromResource(aInstance, aResource, aResType); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TglBitmap.Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); -begin - Create; - LoadFromResourceID(aInstance, aResourceID, aResType); -end; - -{$IFDEF GLB_SUPPORT_PNG_READ} -{$IF DEFINED(GLB_LAZ_PNG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//PNG///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadPNG(const aStream: TStream): Boolean; -const - MAGIC_LEN = 8; - PNG_MAGIC: String[MAGIC_LEN] = #$89#$50#$4E#$47#$0D#$0A#$1A#$0A; -var - reader: TLazReaderPNG; - intf: TLazIntfImage; - StreamPos: Int64; - magic: String[MAGIC_LEN]; -begin - result := true; - StreamPos := aStream.Position; - - SetLength(magic, MAGIC_LEN); - aStream.Read(magic[1], MAGIC_LEN); - aStream.Position := StreamPos; - if (magic <> PNG_MAGIC) then begin - result := false; - exit; - end; - - intf := TLazIntfImage.Create(0, 0); - reader := TLazReaderPNG.Create; - try try - reader.UpdateDescription := true; - reader.ImageRead(aStream, intf); - AssignFromLazIntfImage(intf); - except - result := false; - aStream.Position := StreamPos; - exit; - end; - finally - reader.Free; - intf.Free; - end; -end; - -{$ELSEIF DEFINED(GLB_SDL_IMAGE)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadPNG(const aStream: TStream): Boolean; -var - Surface: PSDL_Surface; - RWops: PSDL_RWops; -begin - result := false; - RWops := glBitmapCreateRWops(aStream); - try - if IMG_isPNG(RWops) > 0 then begin - Surface := IMG_LoadPNG_RW(RWops); - try - AssignFromSurface(Surface); - result := true; - finally - SDL_FreeSurface(Surface); - end; - end; - finally - SDL_FreeRW(RWops); - end; -end; - -{$ELSEIF DEFINED(GLB_LIB_PNG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmap_libPNG_read_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; -begin - TStream(png_get_io_ptr(png)).Read(buffer^, size); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadPNG(const aStream: TStream): Boolean; -var - StreamPos: Int64; - signature: array [0..7] of byte; - png: png_structp; - png_info: png_infop; - - TempHeight, TempWidth: Integer; - Format: TglBitmapFormat; - - png_data: pByte; - png_rows: array of pByte; - Row, LineSize: Integer; -begin - result := false; - - if not init_libPNG then - raise Exception.Create('LoadPNG - unable to initialize libPNG.'); - - try - // signature - StreamPos := aStream.Position; - aStream.Read(signature{%H-}, 8); - aStream.Position := StreamPos; - - if png_check_sig(@signature, 8) <> 0 then begin - // png read struct - png := png_create_read_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); - if png = nil then - raise EglBitmapException.Create('LoadPng - couldn''t create read struct.'); - - // png info - png_info := png_create_info_struct(png); - if png_info = nil then begin - png_destroy_read_struct(@png, nil, nil); - raise EglBitmapException.Create('LoadPng - couldn''t create info struct.'); - end; - - // set read callback - png_set_read_fn(png, aStream, glBitmap_libPNG_read_func); - - // read informations - png_read_info(png, png_info); - - // size - TempHeight := png_get_image_height(png, png_info); - TempWidth := png_get_image_width(png, png_info); - - // format - case png_get_color_type(png, png_info) of - PNG_COLOR_TYPE_GRAY: - Format := tfLuminance8; - PNG_COLOR_TYPE_GRAY_ALPHA: - Format := tfLuminance8Alpha8; - PNG_COLOR_TYPE_RGB: - Format := tfRGB8; - PNG_COLOR_TYPE_RGB_ALPHA: - Format := tfRGBA8; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); - end; - - // cut upper 8 bit from 16 bit formats - if png_get_bit_depth(png, png_info) > 8 then - png_set_strip_16(png); - - // expand bitdepth smaller than 8 - if png_get_bit_depth(png, png_info) < 8 then - png_set_expand(png); - - // allocating mem for scanlines - LineSize := png_get_rowbytes(png, png_info); - GetMem(png_data, TempHeight * LineSize); - try - SetLength(png_rows, TempHeight); - for Row := Low(png_rows) to High(png_rows) do begin - png_rows[Row] := png_data; - Inc(png_rows[Row], Row * LineSize); - end; - - // read complete image into scanlines - png_read_image(png, @png_rows[0]); - - // read end - png_read_end(png, png_info); - - // destroy read struct - png_destroy_read_struct(@png, @png_info, nil); - - SetLength(png_rows, 0); - - // set new data - SetDataPointer(png_data, Format, TempWidth, TempHeight); //be careful, Data could be freed by this method - - result := true; - except - if Assigned(png_data) then - FreeMem(png_data); - raise; - end; - end; - finally - quit_libPNG; - end; -end; - -{$ELSEIF DEFINED(GLB_PNGIMAGE)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadPNG(const aStream: TStream): Boolean; -var - StreamPos: Int64; - Png: TPNGObject; - Header: String[8]; - Row, Col, PixSize, LineSize: Integer; - NewImage, pSource, pDest, pAlpha: pByte; - PngFormat: TglBitmapFormat; - FormatDesc: TFormatDescriptor; - -const - PngHeader: String[8] = #137#80#78#71#13#10#26#10; - -begin - result := false; - - StreamPos := aStream.Position; - aStream.Read(Header[0], SizeOf(Header)); - aStream.Position := StreamPos; - - {Test if the header matches} - if Header = PngHeader then begin - Png := TPNGObject.Create; - try - Png.LoadFromStream(aStream); - - case Png.Header.ColorType of - COLOR_GRAYSCALE: - PngFormat := tfLuminance8; - COLOR_GRAYSCALEALPHA: - PngFormat := tfLuminance8Alpha8; - COLOR_RGB: - PngFormat := tfBGR8; - COLOR_RGBALPHA: - PngFormat := tfBGRA8; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); - end; - - FormatDesc := TFormatDescriptor.Get(PngFormat); - PixSize := Round(FormatDesc.PixelSize); - LineSize := FormatDesc.GetSize(Png.Header.Width, 1); - - GetMem(NewImage, LineSize * Integer(Png.Header.Height)); - try - pDest := NewImage; - - case Png.Header.ColorType of - COLOR_RGB, COLOR_GRAYSCALE: - begin - for Row := 0 to Png.Height -1 do begin - Move (Png.Scanline[Row]^, pDest^, LineSize); - Inc(pDest, LineSize); - end; - end; - COLOR_RGBALPHA, COLOR_GRAYSCALEALPHA: - begin - PixSize := PixSize -1; - - for Row := 0 to Png.Height -1 do begin - pSource := Png.Scanline[Row]; - pAlpha := pByte(Png.AlphaScanline[Row]); - - for Col := 0 to Png.Width -1 do begin - Move (pSource^, pDest^, PixSize); - Inc(pSource, PixSize); - Inc(pDest, PixSize); - - pDest^ := pAlpha^; - inc(pAlpha); - Inc(pDest); - end; - end; - end; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); - end; - - SetDataPointer(NewImage, PngFormat, Png.Header.Width, Png.Header.Height); //be careful, Data could be freed by this method - - result := true; - except - if Assigned(NewImage) then - FreeMem(NewImage); - raise; - end; - finally - Png.Free; - end; - end; -end; -{$IFEND} -{$ENDIF} - -{$IFDEF GLB_SUPPORT_PNG_WRITE} -{$IFDEF GLB_LIB_PNG} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmap_libPNG_write_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; -begin - TStream(png_get_io_ptr(png)).Write(buffer^, size); -end; -{$ENDIF} - -{$IF DEFINED(GLB_LAZ_PNG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SavePNG(const aStream: TStream); -var - png: TPortableNetworkGraphic; - intf: TLazIntfImage; - raw: TRawImage; -begin - png := TPortableNetworkGraphic.Create; - intf := TLazIntfImage.Create(0, 0); - try - if not AssignToLazIntfImage(intf) then - raise EglBitmap.Create('unable to create LazIntfImage from glBitmap'); - intf.GetRawImage(raw); - png.LoadFromRawImage(raw, false); - png.SaveToStream(aStream); - finally - png.Free; - intf.Free; - end; -end; - -{$ELSEIF DEFINED(GLB_LIB_PNG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SavePNG(const aStream: TStream); -var - png: png_structp; - png_info: png_infop; - png_rows: array of pByte; - LineSize: Integer; - ColorType: Integer; - Row: Integer; - FormatDesc: TFormatDescriptor; -begin - if not (ftPNG in FormatGetSupportedFiles(Format)) then - raise EglBitmapUnsupportedFormat.Create(Format); - - if not init_libPNG then - raise Exception.Create('unable to initialize libPNG.'); - - try - case Format of - tfAlpha8, tfLuminance8: - ColorType := PNG_COLOR_TYPE_GRAY; - tfLuminance8Alpha8: - ColorType := PNG_COLOR_TYPE_GRAY_ALPHA; - tfBGR8, tfRGB8: - ColorType := PNG_COLOR_TYPE_RGB; - tfBGRA8, tfRGBA8: - ColorType := PNG_COLOR_TYPE_RGBA; - else - raise EglBitmapUnsupportedFormat.Create(Format); - end; - - FormatDesc := TFormatDescriptor.Get(Format); - LineSize := FormatDesc.GetSize(Width, 1); - - // creating array for scanline - SetLength(png_rows, Height); - try - for Row := 0 to Height - 1 do begin - png_rows[Row] := Data; - Inc(png_rows[Row], Row * LineSize) - end; - - // write struct - png := png_create_write_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); - if png = nil then - raise EglBitmapException.Create('SavePng - couldn''t create write struct.'); - - // create png info - png_info := png_create_info_struct(png); - if png_info = nil then begin - png_destroy_write_struct(@png, nil); - raise EglBitmapException.Create('SavePng - couldn''t create info struct.'); - end; - - // set read callback - png_set_write_fn(png, aStream, glBitmap_libPNG_write_func, nil); - - // set compression - png_set_compression_level(png, 6); - - if Format in [tfBGR8, tfBGRA8] then - png_set_bgr(png); - - png_set_IHDR(png, png_info, Width, Height, 8, ColorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - png_write_info(png, png_info); - png_write_image(png, @png_rows[0]); - png_write_end(png, png_info); - png_destroy_write_struct(@png, @png_info); - finally - SetLength(png_rows, 0); - end; - finally - quit_libPNG; - end; -end; - -{$ELSEIF DEFINED(GLB_PNGIMAGE)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SavePNG(const aStream: TStream); -var - Png: TPNGObject; - - pSource, pDest: pByte; - X, Y, PixSize: Integer; - ColorType: Cardinal; - Alpha: Boolean; - - pTemp: pByte; - Temp: Byte; -begin - if not (ftPNG in FormatGetSupportedFiles (Format)) then - raise EglBitmapUnsupportedFormat.Create(Format); - - case Format of - tfAlpha8, tfLuminance8: begin - ColorType := COLOR_GRAYSCALE; - PixSize := 1; - Alpha := false; - end; - tfLuminance8Alpha8: begin - ColorType := COLOR_GRAYSCALEALPHA; - PixSize := 1; - Alpha := true; - end; - tfBGR8, tfRGB8: begin - ColorType := COLOR_RGB; - PixSize := 3; - Alpha := false; - end; - tfBGRA8, tfRGBA8: begin - ColorType := COLOR_RGBALPHA; - PixSize := 3; - Alpha := true - end; - else - raise EglBitmapUnsupportedFormat.Create(Format); - end; - - Png := TPNGObject.CreateBlank(ColorType, 8, Width, Height); - try - // Copy ImageData - pSource := Data; - for Y := 0 to Height -1 do begin - pDest := png.ScanLine[Y]; - for X := 0 to Width -1 do begin - Move(pSource^, pDest^, PixSize); - Inc(pDest, PixSize); - Inc(pSource, PixSize); - if Alpha then begin - png.AlphaScanline[Y]^[X] := pSource^; - Inc(pSource); - end; - end; - - // convert RGB line to BGR - if Format in [tfRGB8, tfRGBA8] then begin - pTemp := png.ScanLine[Y]; - for X := 0 to Width -1 do begin - Temp := pByteArray(pTemp)^[0]; - pByteArray(pTemp)^[0] := pByteArray(pTemp)^[2]; - pByteArray(pTemp)^[2] := Temp; - Inc(pTemp, 3); - end; - end; - end; - - // Save to Stream - Png.CompressionLevel := 6; - Png.SaveToStream(aStream); - finally - FreeAndNil(Png); - end; -end; -{$IFEND} -{$ENDIF} - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//JPEG//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -{$IFDEF GLB_LIB_JPEG} -type - glBitmap_libJPEG_source_mgr_ptr = ^glBitmap_libJPEG_source_mgr; - glBitmap_libJPEG_source_mgr = record - pub: jpeg_source_mgr; - - SrcStream: TStream; - SrcBuffer: array [1..4096] of byte; - end; - - glBitmap_libJPEG_dest_mgr_ptr = ^glBitmap_libJPEG_dest_mgr; - glBitmap_libJPEG_dest_mgr = record - pub: jpeg_destination_mgr; - - DestStream: TStream; - DestBuffer: array [1..4096] of byte; - end; - -procedure glBitmap_libJPEG_error_exit(cinfo: j_common_ptr); cdecl; -begin - //DUMMY -end; - - -procedure glBitmap_libJPEG_output_message(cinfo: j_common_ptr); cdecl; -begin - //DUMMY -end; - - -procedure glBitmap_libJPEG_init_source(cinfo: j_decompress_ptr); cdecl; -begin - //DUMMY -end; - -procedure glBitmap_libJPEG_term_source(cinfo: j_decompress_ptr); cdecl; -begin - //DUMMY -end; - - -procedure glBitmap_libJPEG_init_destination(cinfo: j_compress_ptr); cdecl; -begin - //DUMMY -end; - - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmap_libJPEG_fill_input_buffer(cinfo: j_decompress_ptr): boolean; cdecl; -var - src: glBitmap_libJPEG_source_mgr_ptr; - bytes: integer; -begin - src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); - - bytes := src^.SrcStream.Read(src^.SrcBuffer[1], 4096); - if (bytes <= 0) then begin - src^.SrcBuffer[1] := $FF; - src^.SrcBuffer[2] := JPEG_EOI; - bytes := 2; - end; - - src^.pub.next_input_byte := @(src^.SrcBuffer[1]); - src^.pub.bytes_in_buffer := bytes; - - result := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmap_libJPEG_skip_input_data(cinfo: j_decompress_ptr; num_bytes: Longint); cdecl; -var - src: glBitmap_libJPEG_source_mgr_ptr; -begin - src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); - - if num_bytes > 0 then begin - // wanted byte isn't in buffer so set stream position and read buffer - if num_bytes > src^.pub.bytes_in_buffer then begin - src^.SrcStream.Position := src^.SrcStream.Position + num_bytes - src^.pub.bytes_in_buffer; - src^.pub.fill_input_buffer(cinfo); - end else begin - // wanted byte is in buffer so only skip - inc(src^.pub.next_input_byte, num_bytes); - dec(src^.pub.bytes_in_buffer, num_bytes); - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function glBitmap_libJPEG_empty_output_buffer(cinfo: j_compress_ptr): boolean; cdecl; -var - dest: glBitmap_libJPEG_dest_mgr_ptr; -begin - dest := glBitmap_libJPEG_dest_mgr_ptr(cinfo^.dest); - - if dest^.pub.free_in_buffer < Cardinal(Length(dest^.DestBuffer)) then begin - // write complete buffer - dest^.DestStream.Write(dest^.DestBuffer[1], SizeOf(dest^.DestBuffer)); - - // reset buffer - dest^.pub.next_output_byte := @dest^.DestBuffer[1]; - dest^.pub.free_in_buffer := Length(dest^.DestBuffer); - end; - - result := true; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmap_libJPEG_term_destination(cinfo: j_compress_ptr); cdecl; -var - Idx: Integer; - dest: glBitmap_libJPEG_dest_mgr_ptr; -begin - dest := glBitmap_libJPEG_dest_mgr_ptr(cinfo^.dest); - - for Idx := Low(dest^.DestBuffer) to High(dest^.DestBuffer) do begin - // check for endblock - if (Idx < High(dest^.DestBuffer)) and (dest^.DestBuffer[Idx] = $FF) and (dest^.DestBuffer[Idx +1] = JPEG_EOI) then begin - // write endblock - dest^.DestStream.Write(dest^.DestBuffer[Idx], 2); - - // leave - break; - end else - dest^.DestStream.Write(dest^.DestBuffer[Idx], 1); - end; -end; -{$ENDIF} - -{$IFDEF GLB_SUPPORT_JPEG_READ} -{$IF DEFINED(GLB_LAZ_JPEG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; -const - MAGIC_LEN = 2; - JPEG_MAGIC: String[MAGIC_LEN] = #$FF#$D8; -var - intf: TLazIntfImage; - reader: TFPReaderJPEG; - StreamPos: Int64; - magic: String[MAGIC_LEN]; -begin - result := true; - StreamPos := aStream.Position; - - SetLength(magic, MAGIC_LEN); - aStream.Read(magic[1], MAGIC_LEN); - aStream.Position := StreamPos; - if (magic <> JPEG_MAGIC) then begin - result := false; - exit; - end; - - reader := TFPReaderJPEG.Create; - intf := TLazIntfImage.Create(0, 0); - try try - intf.DataDescription := GetDescriptionFromDevice(0, 0, 0); - reader.ImageRead(aStream, intf); - AssignFromLazIntfImage(intf); - except - result := false; - aStream.Position := StreamPos; - exit; - end; - finally - reader.Free; - intf.Free; - end; -end; - -{$ELSEIF DEFINED(GLB_SDL_IMAGE)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; -var - Surface: PSDL_Surface; - RWops: PSDL_RWops; -begin - result := false; - - RWops := glBitmapCreateRWops(aStream); - try - if IMG_isJPG(RWops) > 0 then begin - Surface := IMG_LoadJPG_RW(RWops); - try - AssignFromSurface(Surface); - result := true; - finally - SDL_FreeSurface(Surface); - end; - end; - finally - SDL_FreeRW(RWops); - end; -end; - -{$ELSEIF DEFINED(GLB_LIB_JPEG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; -var - StreamPos: Int64; - Temp: array[0..1]of Byte; - - jpeg: jpeg_decompress_struct; - jpeg_err: jpeg_error_mgr; - - IntFormat: TglBitmapFormat; - pImage: pByte; - TempHeight, TempWidth: Integer; - - pTemp: pByte; - Row: Integer; - - FormatDesc: TFormatDescriptor; -begin - result := false; - - if not init_libJPEG then - raise Exception.Create('LoadJPG - unable to initialize libJPEG.'); - - try - // reading first two bytes to test file and set cursor back to begin - StreamPos := aStream.Position; - aStream.Read({%H-}Temp[0], 2); - aStream.Position := StreamPos; - - // if Bitmap then read file. - if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin - FillChar(jpeg{%H-}, SizeOf(jpeg_decompress_struct), $00); - FillChar(jpeg_err{%H-}, SizeOf(jpeg_error_mgr), $00); - - // error managment - jpeg.err := jpeg_std_error(@jpeg_err); - jpeg_err.error_exit := glBitmap_libJPEG_error_exit; - jpeg_err.output_message := glBitmap_libJPEG_output_message; - - // decompression struct - jpeg_create_decompress(@jpeg); - - // allocation space for streaming methods - jpeg.src := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_source_mgr)); - - // seeting up custom functions - with glBitmap_libJPEG_source_mgr_ptr(jpeg.src)^ do begin - pub.init_source := glBitmap_libJPEG_init_source; - pub.fill_input_buffer := glBitmap_libJPEG_fill_input_buffer; - pub.skip_input_data := glBitmap_libJPEG_skip_input_data; - pub.resync_to_restart := jpeg_resync_to_restart; // use default method - pub.term_source := glBitmap_libJPEG_term_source; - - pub.bytes_in_buffer := 0; // forces fill_input_buffer on first read - pub.next_input_byte := nil; // until buffer loaded - - SrcStream := aStream; - end; - - // set global decoding state - jpeg.global_state := DSTATE_START; - - // read header of jpeg - jpeg_read_header(@jpeg, false); - - // setting output parameter - case jpeg.jpeg_color_space of - JCS_GRAYSCALE: - begin - jpeg.out_color_space := JCS_GRAYSCALE; - IntFormat := tfLuminance8; - end; - else - jpeg.out_color_space := JCS_RGB; - IntFormat := tfRGB8; - end; - - // reading image - jpeg_start_decompress(@jpeg); - - TempHeight := jpeg.output_height; - TempWidth := jpeg.output_width; - - FormatDesc := TFormatDescriptor.Get(IntFormat); - - // creating new image - GetMem(pImage, FormatDesc.GetSize(TempWidth, TempHeight)); - try - pTemp := pImage; - - for Row := 0 to TempHeight -1 do begin - jpeg_read_scanlines(@jpeg, @pTemp, 1); - Inc(pTemp, FormatDesc.GetSize(TempWidth, 1)); - end; - - // finish decompression - jpeg_finish_decompress(@jpeg); - - // destroy decompression - jpeg_destroy_decompress(@jpeg); - - SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method - - result := true; - except - if Assigned(pImage) then - FreeMem(pImage); - raise; - end; - end; - finally - quit_libJPEG; - end; -end; - -{$ELSEIF DEFINED(GLB_DELPHI_JPEG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; -var - bmp: TBitmap; - jpg: TJPEGImage; - StreamPos: Int64; - Temp: array[0..1]of Byte; -begin - result := false; - - // reading first two bytes to test file and set cursor back to begin - StreamPos := aStream.Position; - aStream.Read(Temp[0], 2); - aStream.Position := StreamPos; - - // if Bitmap then read file. - if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin - bmp := TBitmap.Create; - try - jpg := TJPEGImage.Create; - try - jpg.LoadFromStream(aStream); - bmp.Assign(jpg); - result := AssignFromBitmap(bmp); - finally - jpg.Free; - end; - finally - bmp.Free; - end; - end; -end; -{$IFEND} -{$ENDIF} - -{$IFDEF GLB_SUPPORT_JPEG_WRITE} -{$IF DEFINED(GLB_LAZ_JPEG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SaveJPEG(const aStream: TStream); -var - jpeg: TJPEGImage; - intf: TLazIntfImage; - raw: TRawImage; -begin - jpeg := TJPEGImage.Create; - intf := TLazIntfImage.Create(0, 0); - try - if not AssignToLazIntfImage(intf) then - raise EglBitmap.Create('unable to create LazIntfImage from glBitmap'); - intf.GetRawImage(raw); - jpeg.LoadFromRawImage(raw, false); - jpeg.SaveToStream(aStream); - finally - intf.Free; - jpeg.Free; - end; -end; - -{$ELSEIF DEFINED(GLB_LIB_JPEG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SaveJPEG(const aStream: TStream); -var - jpeg: jpeg_compress_struct; - jpeg_err: jpeg_error_mgr; - Row: Integer; - pTemp, pTemp2: pByte; - - procedure CopyRow(pDest, pSource: pByte); - var - X: Integer; - begin - for X := 0 to Width - 1 do begin - pByteArray(pDest)^[0] := pByteArray(pSource)^[2]; - pByteArray(pDest)^[1] := pByteArray(pSource)^[1]; - pByteArray(pDest)^[2] := pByteArray(pSource)^[0]; - Inc(pDest, 3); - Inc(pSource, 3); - end; - end; - -begin - if not (ftJPEG in FormatGetSupportedFiles(Format)) then - raise EglBitmapUnsupportedFormat.Create(Format); - - if not init_libJPEG then - raise Exception.Create('SaveJPG - unable to initialize libJPEG.'); - - try - FillChar(jpeg{%H-}, SizeOf(jpeg_compress_struct), $00); - FillChar(jpeg_err{%H-}, SizeOf(jpeg_error_mgr), $00); - - // error managment - jpeg.err := jpeg_std_error(@jpeg_err); - jpeg_err.error_exit := glBitmap_libJPEG_error_exit; - jpeg_err.output_message := glBitmap_libJPEG_output_message; - - // compression struct - jpeg_create_compress(@jpeg); - - // allocation space for streaming methods - jpeg.dest := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_dest_mgr)); - - // seeting up custom functions - with glBitmap_libJPEG_dest_mgr_ptr(jpeg.dest)^ do begin - pub.init_destination := glBitmap_libJPEG_init_destination; - pub.empty_output_buffer := glBitmap_libJPEG_empty_output_buffer; - pub.term_destination := glBitmap_libJPEG_term_destination; - - pub.next_output_byte := @DestBuffer[1]; - pub.free_in_buffer := Length(DestBuffer); - - DestStream := aStream; - end; - - // very important state - jpeg.global_state := CSTATE_START; - jpeg.image_width := Width; - jpeg.image_height := Height; - case Format of - tfAlpha8, tfLuminance8: begin - jpeg.input_components := 1; - jpeg.in_color_space := JCS_GRAYSCALE; - end; - tfRGB8, tfBGR8: begin - jpeg.input_components := 3; - jpeg.in_color_space := JCS_RGB; - end; - end; - - jpeg_set_defaults(@jpeg); - jpeg_set_quality(@jpeg, 95, true); - jpeg_start_compress(@jpeg, true); - pTemp := Data; - - if Format = tfBGR8 then - GetMem(pTemp2, fRowSize) - else - pTemp2 := pTemp; - - try - for Row := 0 to jpeg.image_height -1 do begin - // prepare row - if Format = tfBGR8 then - CopyRow(pTemp2, pTemp) - else - pTemp2 := pTemp; - - // write row - jpeg_write_scanlines(@jpeg, @pTemp2, 1); - inc(pTemp, fRowSize); - end; - finally - // free memory - if Format = tfBGR8 then - FreeMem(pTemp2); - end; - jpeg_finish_compress(@jpeg); - jpeg_destroy_compress(@jpeg); - finally - quit_libJPEG; - end; -end; - -{$ELSEIF DEFINED(GLB_DELPHI_JPEG)} -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SaveJPEG(const aStream: TStream); -var - Bmp: TBitmap; - Jpg: TJPEGImage; -begin - if not (ftJPEG in FormatGetSupportedFiles(Format)) then - raise EglBitmapUnsupportedFormat.Create(Format); - - Bmp := TBitmap.Create; - try - Jpg := TJPEGImage.Create; - try - AssignToBitmap(Bmp); - if (Format in [tfAlpha8, tfLuminance8]) then begin - Jpg.Grayscale := true; - Jpg.PixelFormat := jf8Bit; - end; - Jpg.Assign(Bmp); - Jpg.SaveToStream(aStream); - finally - FreeAndNil(Jpg); - end; - finally - FreeAndNil(Bmp); - end; -end; -{$IFEND} -{$ENDIF} - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//BMP///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -const - BMP_MAGIC = $4D42; - - BMP_COMP_RGB = 0; - BMP_COMP_RLE8 = 1; - BMP_COMP_RLE4 = 2; - BMP_COMP_BITFIELDS = 3; - -type - TBMPHeader = packed record - bfType: Word; - bfSize: Cardinal; - bfReserved1: Word; - bfReserved2: Word; - bfOffBits: Cardinal; - end; - - TBMPInfo = packed record - biSize: Cardinal; - biWidth: Longint; - biHeight: Longint; - biPlanes: Word; - biBitCount: Word; - biCompression: Cardinal; - biSizeImage: Cardinal; - biXPelsPerMeter: Longint; - biYPelsPerMeter: Longint; - biClrUsed: Cardinal; - biClrImportant: Cardinal; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadBMP(const aStream: TStream): Boolean; - - ////////////////////////////////////////////////////////////////////////////////////////////////// - function ReadInfo(out aInfo: TBMPInfo; out aMask: TglBitmapColorRec): TglBitmapFormat; - begin - result := tfEmpty; - aStream.Read(aInfo{%H-}, SizeOf(aInfo)); - FillChar(aMask{%H-}, SizeOf(aMask), 0); - - //Read Compression - case aInfo.biCompression of - BMP_COMP_RLE4, - BMP_COMP_RLE8: begin - raise EglBitmap.Create('RLE compression is not supported'); - end; - BMP_COMP_BITFIELDS: begin - if (aInfo.biBitCount = 16) or (aInfo.biBitCount = 32) then begin - aStream.Read(aMask.r, SizeOf(aMask.r)); - aStream.Read(aMask.g, SizeOf(aMask.g)); - aStream.Read(aMask.b, SizeOf(aMask.b)); - aStream.Read(aMask.a, SizeOf(aMask.a)); - end else - raise EglBitmap.Create('Bitfields are only supported for 16bit and 32bit formats'); - end; - end; - - //get suitable format - case aInfo.biBitCount of - 8: result := tfLuminance8; - 16: result := tfBGR5; - 24: result := tfBGR8; - 32: result := tfBGRA8; - end; - end; - - function ReadColorTable(var aFormat: TglBitmapFormat; const aInfo: TBMPInfo): TbmpColorTableFormat; - var - i, c: Integer; - ColorTable: TbmpColorTable; - begin - result := nil; - if (aInfo.biBitCount >= 16) then - exit; - aFormat := tfLuminance8; - c := aInfo.biClrUsed; - if (c = 0) then - c := 1 shl aInfo.biBitCount; - SetLength(ColorTable, c); - for i := 0 to c-1 do begin - aStream.Read(ColorTable[i], SizeOf(TbmpColorTableEnty)); - if (ColorTable[i].r <> ColorTable[i].g) or (ColorTable[i].g <> ColorTable[i].b) then - aFormat := tfRGB8; - end; - - result := TbmpColorTableFormat.Create; - result.PixelSize := aInfo.biBitCount / 8; - result.ColorTable := ColorTable; - result.Range := glBitmapColorRec($FF, $FF, $FF, $00); - end; - - ////////////////////////////////////////////////////////////////////////////////////////////////// - function CheckBitfields(var aFormat: TglBitmapFormat; const aMask: TglBitmapColorRec; - const aInfo: TBMPInfo): TbmpBitfieldFormat; - var - TmpFormat: TglBitmapFormat; - FormatDesc: TFormatDescriptor; - begin - result := nil; - if (aMask.r <> 0) or (aMask.g <> 0) or (aMask.b <> 0) or (aMask.a <> 0) then begin - for TmpFormat := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin - FormatDesc := TFormatDescriptor.Get(TmpFormat); - if FormatDesc.MaskMatch(aMask.r, aMask.g, aMask.b, aMask.a) then begin - aFormat := FormatDesc.Format; - exit; - end; - end; - - if (aMask.a = 0) and TFormatDescriptor.Get(aFormat).HasAlpha then - aFormat := TFormatDescriptor.Get(aFormat).WithoutAlpha; - if (aMask.a <> 0) and not TFormatDescriptor.Get(aFormat).HasAlpha then - aFormat := TFormatDescriptor.Get(aFormat).WithAlpha; - - result := TbmpBitfieldFormat.Create; - result.PixelSize := aInfo.biBitCount / 8; - result.RedMask := aMask.r; - result.GreenMask := aMask.g; - result.BlueMask := aMask.b; - result.AlphaMask := aMask.a; - end; - end; - -var - //simple types - StartPos: Int64; - ImageSize, rbLineSize, wbLineSize, Padding, i: Integer; - PaddingBuff: Cardinal; - LineBuf, ImageData, TmpData: PByte; - SourceMD, DestMD: Pointer; - BmpFormat: TglBitmapFormat; - - //records - Mask: TglBitmapColorRec; - Header: TBMPHeader; - Info: TBMPInfo; - - //classes - SpecialFormat: TFormatDescriptor; - FormatDesc: TFormatDescriptor; - - ////////////////////////////////////////////////////////////////////////////////////////////////// - procedure SpecialFormatReadLine(aData: PByte; aLineBuf: PByte); - var - i: Integer; - Pixel: TglBitmapPixelData; - begin - aStream.Read(aLineBuf^, rbLineSize); - SpecialFormat.PreparePixel(Pixel); - for i := 0 to Info.biWidth-1 do begin - SpecialFormat.Unmap(aLineBuf, Pixel, SourceMD); - glBitmapConvertPixel(Pixel, SpecialFormat, FormatDesc); - FormatDesc.Map(Pixel, aData, DestMD); - end; - end; - -begin - result := false; - BmpFormat := tfEmpty; - SpecialFormat := nil; - LineBuf := nil; - SourceMD := nil; - DestMD := nil; - - // Header - StartPos := aStream.Position; - aStream.Read(Header{%H-}, SizeOf(Header)); - - if Header.bfType = BMP_MAGIC then begin - try try - BmpFormat := ReadInfo(Info, Mask); - SpecialFormat := ReadColorTable(BmpFormat, Info); - if not Assigned(SpecialFormat) then - SpecialFormat := CheckBitfields(BmpFormat, Mask, Info); - aStream.Position := StartPos + Header.bfOffBits; - - if (BmpFormat <> tfEmpty) then begin - FormatDesc := TFormatDescriptor.Get(BmpFormat); - rbLineSize := Round(Info.biWidth * Info.biBitCount / 8); //ReadBuffer LineSize - wbLineSize := Trunc(Info.biWidth * FormatDesc.PixelSize); - Padding := (((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3) - rbLineSize; - - //get Memory - DestMD := FormatDesc.CreateMappingData; - ImageSize := FormatDesc.GetSize(Info.biWidth, abs(Info.biHeight)); - GetMem(ImageData, ImageSize); - if Assigned(SpecialFormat) then begin - GetMem(LineBuf, rbLineSize); //tmp Memory for converting Bitfields - SourceMD := SpecialFormat.CreateMappingData; - end; - - //read Data - try try - FillChar(ImageData^, ImageSize, $FF); - TmpData := ImageData; - if (Info.biHeight > 0) then - Inc(TmpData, wbLineSize * (Info.biHeight-1)); - for i := 0 to Abs(Info.biHeight)-1 do begin - if Assigned(SpecialFormat) then - SpecialFormatReadLine(TmpData, LineBuf) //if is special format read and convert data - else - aStream.Read(TmpData^, wbLineSize); //else only read data - if (Info.biHeight > 0) then - dec(TmpData, wbLineSize) - else - inc(TmpData, wbLineSize); - aStream.Read(PaddingBuff{%H-}, Padding); - end; - SetDataPointer(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight)); //be careful, Data could be freed by this method - result := true; - finally - if Assigned(LineBuf) then - FreeMem(LineBuf); - if Assigned(SourceMD) then - SpecialFormat.FreeMappingData(SourceMD); - FormatDesc.FreeMappingData(DestMD); - end; - except - if Assigned(ImageData) then - FreeMem(ImageData); - raise; - end; - end else - raise EglBitmap.Create('LoadBMP - No suitable format found'); - except - aStream.Position := StartPos; - raise; - end; - finally - FreeAndNil(SpecialFormat); - end; - end - else aStream.Position := StartPos; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SaveBMP(const aStream: TStream); -var - Header: TBMPHeader; - Info: TBMPInfo; - Converter: TFormatDescriptor; - FormatDesc: TFormatDescriptor; - SourceFD, DestFD: Pointer; - pData, srcData, dstData, ConvertBuffer: pByte; - - Pixel: TglBitmapPixelData; - ImageSize, wbLineSize, rbLineSize, Padding, LineIdx, PixelIdx: Integer; - RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; - - PaddingBuff: Cardinal; - - function GetLineWidth : Integer; - begin - result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; - end; - -begin - if not (ftBMP in FormatGetSupportedFiles(Format)) then - raise EglBitmapUnsupportedFormat.Create(Format); - - Converter := nil; - FormatDesc := TFormatDescriptor.Get(Format); - ImageSize := FormatDesc.GetSize(Dimension); - - FillChar(Header{%H-}, SizeOf(Header), 0); - Header.bfType := BMP_MAGIC; - Header.bfSize := SizeOf(Header) + SizeOf(Info) + ImageSize; - Header.bfReserved1 := 0; - Header.bfReserved2 := 0; - Header.bfOffBits := SizeOf(Header) + SizeOf(Info); - - FillChar(Info{%H-}, SizeOf(Info), 0); - Info.biSize := SizeOf(Info); - Info.biWidth := Width; - Info.biHeight := Height; - Info.biPlanes := 1; - Info.biCompression := BMP_COMP_RGB; - Info.biSizeImage := ImageSize; - - try - case Format of - tfLuminance4: begin - Info.biBitCount := 4; - Header.bfSize := Header.bfSize + 16 * SizeOf(Cardinal); - Header.bfOffBits := Header.bfOffBits + 16 * SizeOf(Cardinal); //16 ColorTable entries - Converter := TbmpColorTableFormat.Create; - with (Converter as TbmpColorTableFormat) do begin - PixelSize := 0.5; - Format := Format; - Range := glBitmapColorRec($F, $F, $F, $0); - CreateColorTable; - end; - end; - - tfR3G3B2, tfLuminance8: begin - Info.biBitCount := 8; - Header.bfSize := Header.bfSize + 256 * SizeOf(Cardinal); - Header.bfOffBits := Header.bfOffBits + 256 * SizeOf(Cardinal); //256 ColorTable entries - Converter := TbmpColorTableFormat.Create; - with (Converter as TbmpColorTableFormat) do begin - PixelSize := 1; - Format := Format; - if (Format = tfR3G3B2) then begin - Range := glBitmapColorRec($7, $7, $3, $0); - Shift := glBitmapShiftRec(0, 3, 6, 0); - end else - Range := glBitmapColorRec($FF, $FF, $FF, $0); - CreateColorTable; - end; - end; - - tfRGB4, tfRGB5, tfR5G6B5, tfRGB5A1, tfRGBA4, - tfBGR4, tfBGR5, tfB5G6R5, tfBGR5A1, tfBGRA4: begin - Info.biBitCount := 16; - Info.biCompression := BMP_COMP_BITFIELDS; - end; - - tfBGR8, tfRGB8: begin - Info.biBitCount := 24; - if (Format = tfRGB8) then - Converter := TfdBGR8.Create; //use BGR8 Format Descriptor to Swap RGB Values - end; - - tfRGB10, tfRGB10A2, tfRGBA8, - tfBGR10, tfBGR10A2, tfBGRA8: begin - Info.biBitCount := 32; - Info.biCompression := BMP_COMP_BITFIELDS; - end; - else - raise EglBitmapUnsupportedFormat.Create(Format); - end; - Info.biXPelsPerMeter := 2835; - Info.biYPelsPerMeter := 2835; - - // prepare bitmasks - if Info.biCompression = BMP_COMP_BITFIELDS then begin - Header.bfSize := Header.bfSize + 4 * SizeOf(Cardinal); - Header.bfOffBits := Header.bfOffBits + 4 * SizeOf(Cardinal); - - RedMask := FormatDesc.RedMask; - GreenMask := FormatDesc.GreenMask; - BlueMask := FormatDesc.BlueMask; - AlphaMask := FormatDesc.AlphaMask; - end; - - // headers - aStream.Write(Header, SizeOf(Header)); - aStream.Write(Info, SizeOf(Info)); - - // colortable - if Assigned(Converter) and (Converter is TbmpColorTableFormat) then - with (Converter as TbmpColorTableFormat) do - aStream.Write(ColorTable[0].b, - SizeOf(TbmpColorTableEnty) * Length(ColorTable)); - - // bitmasks - if Info.biCompression = BMP_COMP_BITFIELDS then begin - aStream.Write(RedMask, SizeOf(Cardinal)); - aStream.Write(GreenMask, SizeOf(Cardinal)); - aStream.Write(BlueMask, SizeOf(Cardinal)); - aStream.Write(AlphaMask, SizeOf(Cardinal)); - end; - - // image data - rbLineSize := Round(Info.biWidth * FormatDesc.PixelSize); - wbLineSize := Round(Info.biWidth * Info.biBitCount / 8); - Padding := GetLineWidth - wbLineSize; - PaddingBuff := 0; - - pData := Data; - inc(pData, (Height-1) * rbLineSize); - - // prepare row buffer. But only for RGB because RGBA supports color masks - // so it's possible to change color within the image. - if Assigned(Converter) then begin - FormatDesc.PreparePixel(Pixel); - GetMem(ConvertBuffer, wbLineSize); - SourceFD := FormatDesc.CreateMappingData; - DestFD := Converter.CreateMappingData; - end else - ConvertBuffer := nil; - - try - for LineIdx := 0 to Height - 1 do begin - // preparing row - if Assigned(Converter) then begin - srcData := pData; - dstData := ConvertBuffer; - for PixelIdx := 0 to Info.biWidth-1 do begin - FormatDesc.Unmap(srcData, Pixel, SourceFD); - glBitmapConvertPixel(Pixel, FormatDesc, Converter); - Converter.Map(Pixel, dstData, DestFD); - end; - aStream.Write(ConvertBuffer^, wbLineSize); - end else begin - aStream.Write(pData^, rbLineSize); - end; - dec(pData, rbLineSize); - if (Padding > 0) then - aStream.Write(PaddingBuff, Padding); - end; - finally - // destroy row buffer - if Assigned(ConvertBuffer) then begin - FormatDesc.FreeMappingData(SourceFD); - Converter.FreeMappingData(DestFD); - FreeMem(ConvertBuffer); - end; - end; - finally - if Assigned(Converter) then - Converter.Free; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TGA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -type - TTGAHeader = packed record - ImageID: Byte; - ColorMapType: Byte; - ImageType: Byte; - //ColorMapSpec: Array[0..4] of Byte; - ColorMapStart: Word; - ColorMapLength: Word; - ColorMapEntrySize: Byte; - OrigX: Word; - OrigY: Word; - Width: Word; - Height: Word; - Bpp: Byte; - ImageDesc: Byte; - end; - -const - TGA_UNCOMPRESSED_RGB = 2; - TGA_UNCOMPRESSED_GRAY = 3; - TGA_COMPRESSED_RGB = 10; - TGA_COMPRESSED_GRAY = 11; - - TGA_NONE_COLOR_TABLE = 0; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadTGA(const aStream: TStream): Boolean; -var - Header: TTGAHeader; - ImageData: System.PByte; - StartPosition: Int64; - PixelSize, LineSize: Integer; - tgaFormat: TglBitmapFormat; - FormatDesc: TFormatDescriptor; - Counter: packed record - X, Y: packed record - low, high, dir: Integer; - end; - end; - -const - CACHE_SIZE = $4000; - - //////////////////////////////////////////////////////////////////////////////////////// - procedure ReadUncompressed; - var - i, j: Integer; - buf, tmp1, tmp2: System.PByte; - begin - buf := nil; - if (Counter.X.dir < 0) then - GetMem(buf, LineSize); - try - while (Counter.Y.low <> Counter.Y.high + counter.Y.dir) do begin - tmp1 := ImageData; - inc(tmp1, (Counter.Y.low * LineSize)); //pointer to LineStart - if (Counter.X.dir < 0) then begin //flip X - aStream.Read(buf^, LineSize); - tmp2 := buf; - inc(tmp2, LineSize - PixelSize); //pointer to last pixel in line - for i := 0 to Header.Width-1 do begin //for all pixels in line - for j := 0 to PixelSize-1 do begin //for all bytes in pixel - tmp1^ := tmp2^; - inc(tmp1); - inc(tmp2); - end; - dec(tmp2, 2*PixelSize); //move 2 backwards, because j-loop moved 1 forward - end; - end else - aStream.Read(tmp1^, LineSize); - inc(Counter.Y.low, Counter.Y.dir); //move to next line index - end; - finally - if Assigned(buf) then - FreeMem(buf); - end; - end; - - //////////////////////////////////////////////////////////////////////////////////////// - procedure ReadCompressed; - - ///////////////////////////////////////////////////////////////// - var - TmpData: System.PByte; - LinePixelsRead: Integer; - procedure CheckLine; - begin - if (LinePixelsRead >= Header.Width) then begin - LinePixelsRead := 0; - inc(Counter.Y.low, Counter.Y.dir); //next line index - TmpData := ImageData; - inc(TmpData, Counter.Y.low * LineSize); //set line - if (Counter.X.dir < 0) then //if x flipped then - inc(TmpData, LineSize - PixelSize); //set last pixel - end; - end; - - ///////////////////////////////////////////////////////////////// - var - Cache: PByte; - CacheSize, CachePos: Integer; - procedure CachedRead(out Buffer; Count: Integer); - var - BytesRead: Integer; - begin - if (CachePos + Count > CacheSize) then begin - //if buffer overflow save non read bytes - BytesRead := 0; - if (CacheSize - CachePos > 0) then begin - BytesRead := CacheSize - CachePos; - Move(PByteArray(Cache)^[CachePos], Buffer{%H-}, BytesRead); - inc(CachePos, BytesRead); - end; - - //load cache from file - CacheSize := Min(CACHE_SIZE, aStream.Size - aStream.Position); - aStream.Read(Cache^, CacheSize); - CachePos := 0; - - //read rest of requested bytes - if (Count - BytesRead > 0) then begin - Move(PByteArray(Cache)^[CachePos], TByteArray(Buffer)[BytesRead], Count - BytesRead); - inc(CachePos, Count - BytesRead); - end; - end else begin - //if no buffer overflow just read the data - Move(PByteArray(Cache)^[CachePos], Buffer, Count); - inc(CachePos, Count); - end; - end; - - procedure PixelToBuffer(const aData: PByte; var aBuffer: PByte); - begin - case PixelSize of - 1: begin - aBuffer^ := aData^; - inc(aBuffer, Counter.X.dir); - end; - 2: begin - PWord(aBuffer)^ := PWord(aData)^; - inc(aBuffer, 2 * Counter.X.dir); - end; - 3: begin - PByteArray(aBuffer)^[0] := PByteArray(aData)^[0]; - PByteArray(aBuffer)^[1] := PByteArray(aData)^[1]; - PByteArray(aBuffer)^[2] := PByteArray(aData)^[2]; - inc(aBuffer, 3 * Counter.X.dir); - end; - 4: begin - PCardinal(aBuffer)^ := PCardinal(aData)^; - inc(aBuffer, 4 * Counter.X.dir); - end; - end; - end; - - var - TotalPixelsToRead, TotalPixelsRead: Integer; - Temp: Byte; - buf: array [0..3] of Byte; //1 pixel is max 32bit long - PixelRepeat: Boolean; - PixelsToRead, PixelCount: Integer; - begin - CacheSize := 0; - CachePos := 0; - - TotalPixelsToRead := Header.Width * Header.Height; - TotalPixelsRead := 0; - LinePixelsRead := 0; - - GetMem(Cache, CACHE_SIZE); - try - TmpData := ImageData; - inc(TmpData, Counter.Y.low * LineSize); //set line - if (Counter.X.dir < 0) then //if x flipped then - inc(TmpData, LineSize - PixelSize); //set last pixel - - repeat - //read CommandByte - CachedRead(Temp, 1); - PixelRepeat := (Temp and $80) > 0; - PixelsToRead := (Temp and $7F) + 1; - inc(TotalPixelsRead, PixelsToRead); - - if PixelRepeat then - CachedRead(buf[0], PixelSize); - while (PixelsToRead > 0) do begin - CheckLine; - PixelCount := Min(Header.Width - LinePixelsRead, PixelsToRead); //max read to EOL or EOF - while (PixelCount > 0) do begin - if not PixelRepeat then - CachedRead(buf[0], PixelSize); - PixelToBuffer(@buf[0], TmpData); - inc(LinePixelsRead); - dec(PixelsToRead); - dec(PixelCount); - end; - end; - until (TotalPixelsRead >= TotalPixelsToRead); - finally - FreeMem(Cache); - end; - end; - - function IsGrayFormat: Boolean; - begin - result := Header.ImageType in [TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_GRAY]; - end; - -begin - result := false; - - // reading header to test file and set cursor back to begin - StartPosition := aStream.Position; - aStream.Read(Header{%H-}, SizeOf(Header)); - - // no colormapped files - if (Header.ColorMapType = TGA_NONE_COLOR_TABLE) and (Header.ImageType in [ - TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY]) then - begin - try - if Header.ImageID <> 0 then // skip image ID - aStream.Position := aStream.Position + Header.ImageID; - - tgaFormat := tfEmpty; - case Header.Bpp of - 8: if IsGrayFormat then case (Header.ImageDesc and $F) of - 0: tgaFormat := tfLuminance8; - 8: tgaFormat := tfAlpha8; - end; - - 16: if IsGrayFormat then case (Header.ImageDesc and $F) of - 0: tgaFormat := tfLuminance16; - 8: tgaFormat := tfLuminance8Alpha8; - end else case (Header.ImageDesc and $F) of - 0: tgaFormat := tfBGR5; - 1: tgaFormat := tfBGR5A1; - 4: tgaFormat := tfBGRA4; - end; - - 24: if not IsGrayFormat then case (Header.ImageDesc and $F) of - 0: tgaFormat := tfBGR8; - end; - - 32: if not IsGrayFormat then case (Header.ImageDesc and $F) of - 2: tgaFormat := tfBGR10A2; - 8: tgaFormat := tfBGRA8; - end; - end; - - if (tgaFormat = tfEmpty) then - raise EglBitmap.Create('LoadTga - unsupported format'); - - FormatDesc := TFormatDescriptor.Get(tgaFormat); - PixelSize := FormatDesc.GetSize(1, 1); - LineSize := FormatDesc.GetSize(Header.Width, 1); - - GetMem(ImageData, LineSize * Header.Height); - try - //column direction - if ((Header.ImageDesc and (1 shl 4)) > 0) then begin - Counter.X.low := Header.Height-1;; - Counter.X.high := 0; - Counter.X.dir := -1; - end else begin - Counter.X.low := 0; - Counter.X.high := Header.Height-1; - Counter.X.dir := 1; - end; - - // Row direction - if ((Header.ImageDesc and (1 shl 5)) > 0) then begin - Counter.Y.low := 0; - Counter.Y.high := Header.Height-1; - Counter.Y.dir := 1; - end else begin - Counter.Y.low := Header.Height-1;; - Counter.Y.high := 0; - Counter.Y.dir := -1; - end; - - // Read Image - case Header.ImageType of - TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY: - ReadUncompressed; - TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY: - ReadCompressed; - end; - - SetDataPointer(ImageData, tgaFormat, Header.Width, Header.Height); //be careful, Data could be freed by this method - result := true; - except - if Assigned(ImageData) then - FreeMem(ImageData); - raise; - end; - finally - aStream.Position := StartPosition; - end; - end - else aStream.Position := StartPosition; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SaveTGA(const aStream: TStream); -var - Header: TTGAHeader; - LineSize, Size, x, y: Integer; - Pixel: TglBitmapPixelData; - LineBuf, SourceData, DestData: PByte; - SourceMD, DestMD: Pointer; - FormatDesc: TFormatDescriptor; - Converter: TFormatDescriptor; -begin - if not (ftTGA in FormatGetSupportedFiles(Format)) then - raise EglBitmapUnsupportedFormat.Create(Format); - - //prepare header - FillChar(Header{%H-}, SizeOf(Header), 0); - - //set ImageType - if (Format in [tfLuminance8, tfLuminance6Alpha2, tfLuminance4Alpha4, tfAlpha8, - tfLuminance16, tfLuminance12Alpha4, tfLuminance8Alpha8]) then - Header.ImageType := TGA_UNCOMPRESSED_GRAY - else - Header.ImageType := TGA_UNCOMPRESSED_RGB; - - //set BitsPerPixel - if (Format in [tfLuminance8, tfLuminance6Alpha2, tfLuminance4Alpha4, tfAlpha8]) then - Header.Bpp := 8 - else if (Format in [tfLuminance16, tfLuminance12Alpha4, tfLuminance8Alpha8, - tfRGB5, tfBGR5, tfRGB5A1, tfBGR5A1, tfRGBA4, tfBGRA4]) then - Header.Bpp := 16 - else if (Format in [tfBGR8, tfRGB8]) then - Header.Bpp := 24 - else - Header.Bpp := 32; - - //set AlphaBitCount - case Format of - tfRGB5A1, tfBGR5A1: - Header.ImageDesc := 1 and $F; - tfRGB10A2, tfBGR10A2: - Header.ImageDesc := 2 and $F; - tfRGBA4, tfBGRA4: - Header.ImageDesc := 4 and $F; - tfAlpha8, tfLuminance8Alpha8, tfRGBA8, tfBGRA8: - Header.ImageDesc := 8 and $F; - end; - - Header.Width := Width; - Header.Height := Height; - Header.ImageDesc := Header.ImageDesc or $20; //flip y - aStream.Write(Header, SizeOf(Header)); - - // convert RGB(A) to BGR(A) - Converter := nil; - FormatDesc := TFormatDescriptor.Get(Format); - Size := FormatDesc.GetSize(Dimension); - if Format in [tfRGB5, tfRGB5A1, tfRGBA4, tfRGB8, tfRGB10A2, tfRGBA8] then begin - if (FormatDesc.RGBInverted = tfEmpty) then - raise EglBitmap.Create('inverted RGB format is empty'); - Converter := TFormatDescriptor.Get(FormatDesc.RGBInverted); - if not glBitmapColorRecCmp(Converter.Range, FormatDesc.Range) or - (Converter.PixelSize <> FormatDesc.PixelSize) then - raise EglBitmap.Create('invalid inverted RGB format'); - end; - - if Assigned(Converter) then begin - LineSize := FormatDesc.GetSize(Width, 1); - GetMem(LineBuf, LineSize); - SourceMD := FormatDesc.CreateMappingData; - DestMD := Converter.CreateMappingData; - try - SourceData := Data; - for y := 0 to Height-1 do begin - DestData := LineBuf; - for x := 0 to Width-1 do begin - FormatDesc.Unmap(SourceData, Pixel, SourceMD); - Converter.Map(Pixel, DestData, DestMD); - end; - aStream.Write(LineBuf^, LineSize); - end; - finally - FreeMem(LineBuf); - FormatDesc.FreeMappingData(SourceMD); - FormatDesc.FreeMappingData(DestMD); - end; - end else - aStream.Write(Data^, Size); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//DDS///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -const - DDS_MAGIC: Cardinal = $20534444; - - // DDS_header.dwFlags - DDSD_CAPS = $00000001; - DDSD_HEIGHT = $00000002; - DDSD_WIDTH = $00000004; - DDSD_PIXELFORMAT = $00001000; - - // DDS_header.sPixelFormat.dwFlags - DDPF_ALPHAPIXELS = $00000001; - DDPF_ALPHA = $00000002; - DDPF_FOURCC = $00000004; - DDPF_RGB = $00000040; - DDPF_LUMINANCE = $00020000; - - // DDS_header.sCaps.dwCaps1 - DDSCAPS_TEXTURE = $00001000; - - // DDS_header.sCaps.dwCaps2 - DDSCAPS2_CUBEMAP = $00000200; - - D3DFMT_DXT1 = $31545844; - D3DFMT_DXT3 = $33545844; - D3DFMT_DXT5 = $35545844; - -type - TDDSPixelFormat = packed record - dwSize: Cardinal; - dwFlags: Cardinal; - dwFourCC: Cardinal; - dwRGBBitCount: Cardinal; - dwRBitMask: Cardinal; - dwGBitMask: Cardinal; - dwBBitMask: Cardinal; - dwABitMask: Cardinal; - end; - - TDDSCaps = packed record - dwCaps1: Cardinal; - dwCaps2: Cardinal; - dwDDSX: Cardinal; - dwReserved: Cardinal; - end; - - TDDSHeader = packed record - dwSize: Cardinal; - dwFlags: Cardinal; - dwHeight: Cardinal; - dwWidth: Cardinal; - dwPitchOrLinearSize: Cardinal; - dwDepth: Cardinal; - dwMipMapCount: Cardinal; - dwReserved: array[0..10] of Cardinal; - PixelFormat: TDDSPixelFormat; - Caps: TDDSCaps; - dwReserved2: Cardinal; - end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.LoadDDS(const aStream: TStream): Boolean; -var - Header: TDDSHeader; - Converter: TbmpBitfieldFormat; - - function GetDDSFormat: TglBitmapFormat; - var - fd: TFormatDescriptor; - i: Integer; - Range: TglBitmapColorRec; - match: Boolean; - begin - result := tfEmpty; - with Header.PixelFormat do begin - // Compresses - if ((dwFlags and DDPF_FOURCC) > 0) then begin - case Header.PixelFormat.dwFourCC of - D3DFMT_DXT1: result := tfS3tcDtx1RGBA; - D3DFMT_DXT3: result := tfS3tcDtx3RGBA; - D3DFMT_DXT5: result := tfS3tcDtx5RGBA; - end; - end else if ((Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS or DDPF_LUMINANCE)) > 0) then begin - - //find matching format - for result := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin - fd := TFormatDescriptor.Get(result); - if fd.MaskMatch(dwRBitMask, dwGBitMask, dwBBitMask, dwABitMask) and - (8 * fd.PixelSize = dwRGBBitCount) then - exit; - end; - - //find format with same Range - Range.r := dwRBitMask; - Range.g := dwGBitMask; - Range.b := dwBBitMask; - Range.a := dwABitMask; - for i := 0 to 3 do begin - while ((Range.arr[i] and 1) = 0) and (Range.arr[i] > 0) do - Range.arr[i] := Range.arr[i] shr 1; - end; - for result := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin - fd := TFormatDescriptor.Get(result); - match := true; - for i := 0 to 3 do - if (fd.Range.arr[i] <> Range.arr[i]) then begin - match := false; - break; - end; - if match then - break; - end; - - //no format with same range found -> use default - if (result = tfEmpty) then begin - if (dwABitMask > 0) then - result := tfBGRA8 - else - result := tfBGR8; - end; - - Converter := TbmpBitfieldFormat.Create; - Converter.RedMask := dwRBitMask; - Converter.GreenMask := dwGBitMask; - Converter.BlueMask := dwBBitMask; - Converter.AlphaMask := dwABitMask; - Converter.PixelSize := dwRGBBitCount / 8; - end; - end; - end; - -var - StreamPos: Int64; - x, y, LineSize, RowSize, Magic: Cardinal; - NewImage, TmpData, RowData, SrcData: System.PByte; - SourceMD, DestMD: Pointer; - Pixel: TglBitmapPixelData; - ddsFormat: TglBitmapFormat; - FormatDesc: TFormatDescriptor; - -begin - result := false; - Converter := nil; - StreamPos := aStream.Position; - - // Magic - aStream.Read(Magic{%H-}, sizeof(Magic)); - if (Magic <> DDS_MAGIC) then begin - aStream.Position := StreamPos; - exit; - end; - - //Header - aStream.Read(Header{%H-}, sizeof(Header)); - if (Header.dwSize <> SizeOf(Header)) or - ((Header.dwFlags and (DDSD_PIXELFORMAT or DDSD_CAPS or DDSD_WIDTH or DDSD_HEIGHT)) <> - (DDSD_PIXELFORMAT or DDSD_CAPS or DDSD_WIDTH or DDSD_HEIGHT)) then - begin - aStream.Position := StreamPos; - exit; - end; - - if ((Header.Caps.dwCaps1 and DDSCAPS2_CUBEMAP) > 0) then - raise EglBitmap.Create('LoadDDS - CubeMaps are not supported'); - - ddsFormat := GetDDSFormat; - try - if (ddsFormat = tfEmpty) then - raise EglBitmap.Create('LoadDDS - unsupported Pixelformat found.'); - - FormatDesc := TFormatDescriptor.Get(ddsFormat); - LineSize := Trunc(Header.dwWidth * FormatDesc.PixelSize); - GetMem(NewImage, Header.dwHeight * LineSize); - try - TmpData := NewImage; - - //Converter needed - if Assigned(Converter) then begin - RowSize := Round(Header.dwWidth * Header.PixelFormat.dwRGBBitCount / 8); - GetMem(RowData, RowSize); - SourceMD := Converter.CreateMappingData; - DestMD := FormatDesc.CreateMappingData; - try - for y := 0 to Header.dwHeight-1 do begin - TmpData := NewImage; - inc(TmpData, y * LineSize); - SrcData := RowData; - aStream.Read(SrcData^, RowSize); - for x := 0 to Header.dwWidth-1 do begin - Converter.Unmap(SrcData, Pixel, SourceMD); - glBitmapConvertPixel(Pixel, Converter, FormatDesc); - FormatDesc.Map(Pixel, TmpData, DestMD); - end; - end; - finally - Converter.FreeMappingData(SourceMD); - FormatDesc.FreeMappingData(DestMD); - FreeMem(RowData); - end; - end else - - // Compressed - if ((Header.PixelFormat.dwFlags and DDPF_FOURCC) > 0) then begin - RowSize := Header.dwPitchOrLinearSize div Header.dwWidth; - for Y := 0 to Header.dwHeight-1 do begin - aStream.Read(TmpData^, RowSize); - Inc(TmpData, LineSize); - end; - end else - - // Uncompressed - if (Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS or DDPF_LUMINANCE)) > 0 then begin - RowSize := (Header.PixelFormat.dwRGBBitCount * Header.dwWidth) shr 3; - for Y := 0 to Header.dwHeight-1 do begin - aStream.Read(TmpData^, RowSize); - Inc(TmpData, LineSize); - end; - end else - raise EglBitmap.Create('LoadDDS - unsupported Pixelformat found.'); - - SetDataPointer(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); //be careful, Data could be freed by this method - result := true; - except - if Assigned(NewImage) then - FreeMem(NewImage); - raise; - end; - finally - FreeAndNil(Converter); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SaveDDS(const aStream: TStream); -var - Header: TDDSHeader; - FormatDesc: TFormatDescriptor; -begin - if not (ftDDS in FormatGetSupportedFiles(Format)) then - raise EglBitmapUnsupportedFormat.Create(Format); - - FormatDesc := TFormatDescriptor.Get(Format); - - // Generell - FillChar(Header{%H-}, SizeOf(Header), 0); - Header.dwSize := SizeOf(Header); - Header.dwFlags := DDSD_WIDTH or DDSD_HEIGHT or DDSD_CAPS or DDSD_PIXELFORMAT; - - Header.dwWidth := Max(1, Width); - Header.dwHeight := Max(1, Height); - - // Caps - Header.Caps.dwCaps1 := DDSCAPS_TEXTURE; - - // Pixelformat - Header.PixelFormat.dwSize := sizeof(Header); - if (FormatDesc.IsCompressed) then begin - Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_FOURCC; - case Format of - tfS3tcDtx1RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT1; - tfS3tcDtx3RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT3; - tfS3tcDtx5RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT5; - end; - end else if (Format in [tfAlpha8, tfAlpha16]) then begin - Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHA; - Header.PixelFormat.dwRGBBitCount := Round(FormatDesc.PixelSize * 8); - Header.PixelFormat.dwABitMask := FormatDesc.AlphaMask; - end else if (FormatDesc.RedMask = FormatDesc.GreenMask) and (FormatDesc.GreenMask = FormatDesc.BlueMask) then begin - Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_LUMINANCE; - Header.PixelFormat.dwRGBBitCount := Round(FormatDesc.PixelSize * 8); - Header.PixelFormat.dwRBitMask := FormatDesc.RedMask; - Header.PixelFormat.dwABitMask := FormatDesc.AlphaMask; - end else begin - Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_RGB; - Header.PixelFormat.dwRGBBitCount := Round(FormatDesc.PixelSize * 8); - Header.PixelFormat.dwRBitMask := FormatDesc.RedMask; - Header.PixelFormat.dwGBitMask := FormatDesc.GreenMask; - Header.PixelFormat.dwBBitMask := FormatDesc.BlueMask; - Header.PixelFormat.dwABitMask := FormatDesc.AlphaMask; - end; - - if (FormatDesc.HasAlpha) then - Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS; - - aStream.Write(DDS_MAGIC, sizeof(DDS_MAGIC)); - aStream.Write(Header, SizeOf(Header)); - aStream.Write(Data^, FormatDesc.GetSize(Dimension)); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmap1D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap1D.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; - const aWidth: Integer; const aHeight: Integer); -var - pTemp: pByte; - Size: Integer; -begin - if (aHeight > 1) then begin - Size := TFormatDescriptor.Get(aFormat).GetSize(aWidth, 1); - GetMem(pTemp, Size); - try - Move(aData^, pTemp^, Size); - FreeMem(aData); - aData := nil; - except - FreeMem(pTemp); - raise; - end; - end else - pTemp := aData; - inherited SetDataPointer(pTemp, aFormat, aWidth); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap1D.FlipHorz: Boolean; -var - Col: Integer; - pTempDest, pDest, pSource: PByte; -begin - result := inherited FlipHorz; - if Assigned(Data) and not TFormatDescriptor.Get(Format).IsCompressed then begin - pSource := Data; - GetMem(pDest, fRowSize); - try - pTempDest := pDest; - Inc(pTempDest, fRowSize); - for Col := 0 to Width-1 do begin - dec(pTempDest, fPixelSize); //dec before, because ptr is behind last byte of data - Move(pSource^, pTempDest^, fPixelSize); - Inc(pSource, fPixelSize); - end; - SetDataPointer(pDest, Format, Width); //be careful, Data could be freed by this method - result := true; - except - if Assigned(pDest) then - FreeMem(pDest); - raise; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap1D.UploadData(const aBuildWithGlu: Boolean); -var - FormatDesc: TFormatDescriptor; -begin - // Upload data - FormatDesc := TFormatDescriptor.Get(Format); - if FormatDesc.IsCompressed then begin - if not Assigned(glCompressedTexImage1D) then - raise EglBitmap.Create('compressed formats not supported by video adapter'); - glCompressedTexImage1D(Target, 0, FormatDesc.glInternalFormat, Width, 0, FormatDesc.GetSize(Width, 1), Data) - end else if aBuildWithGlu then - gluBuild1DMipmaps(Target, FormatDesc.glInternalFormat, Width, FormatDesc.glFormat, FormatDesc.glDataFormat, Data) - else - glTexImage1D(Target, 0, FormatDesc.glInternalFormat, Width, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Data); - - // Free Data - if (FreeDataAfterGenTexture) then - FreeData; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap1D.GenTexture(const aTestTextureSize: Boolean); -var - BuildWithGlu, TexRec: Boolean; - TexSize: Integer; -begin - if Assigned(Data) then begin - // Check Texture Size - if (aTestTextureSize) then begin - glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); - - if (Width > TexSize) then - raise EglBitmapSizeToLarge.Create('TglBitmap1D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); - - TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and - (Target = GL_TEXTURE_RECTANGLE); - if not (IsPowerOfTwo(Width) or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then - raise EglBitmapNonPowerOfTwo.Create('TglBitmap1D.GenTexture - Rendercontex dosn''t support non power of two texture.'); - end; - - CreateId; - SetupParameters(BuildWithGlu); - UploadData(BuildWithGlu); - glAreTexturesResident(1, @fID, @fIsResident); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap1D.AfterConstruction; -begin - inherited; - Target := GL_TEXTURE_1D; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmap2D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap2D.GetScanline(const aIndex: Integer): Pointer; -begin - if (aIndex >= Low(fLines)) and (aIndex <= High(fLines)) then - result := fLines[aIndex] - else - result := nil; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; - const aWidth: Integer; const aHeight: Integer); -var - Idx, LineWidth: Integer; -begin - inherited SetDataPointer(aData, aFormat, aWidth, aHeight); - - if not TFormatDescriptor.Get(aFormat).IsCompressed then begin - // Assigning Data - if Assigned(Data) then begin - SetLength(fLines, GetHeight); - LineWidth := Trunc(GetWidth * TFormatDescriptor.Get(Format).PixelSize); - - for Idx := 0 to GetHeight-1 do begin - fLines[Idx] := Data; - Inc(fLines[Idx], Idx * LineWidth); - end; - end - else SetLength(fLines, 0); - end else begin - SetLength(fLines, 0); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.UploadData(const aTarget: GLenum; const aBuildWithGlu: Boolean); -var - FormatDesc: TFormatDescriptor; -begin - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - FormatDesc := TFormatDescriptor.Get(Format); - if FormatDesc.IsCompressed then begin - if not Assigned(glCompressedTexImage2D) then - raise EglBitmap.Create('compressed formats not supported by video adapter'); - glCompressedTexImage2D(aTarget, 0, FormatDesc.glInternalFormat, Width, Height, 0, FormatDesc.GetSize(fDimension), Data) - end else if aBuildWithGlu then begin - gluBuild2DMipmaps(aTarget, FormatDesc.Components, Width, Height, - FormatDesc.glFormat, FormatDesc.glDataFormat, Data) - end else begin - glTexImage2D(aTarget, 0, FormatDesc.glInternalFormat, Width, Height, 0, - FormatDesc.glFormat, FormatDesc.glDataFormat, Data); - end; - - // Freigeben - if (FreeDataAfterGenTexture) then - FreeData; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.AfterConstruction; -begin - inherited; - Target := GL_TEXTURE_2D; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat); -var - Temp: pByte; - Size, w, h: Integer; - FormatDesc: TFormatDescriptor; -begin - FormatDesc := TFormatDescriptor.Get(aFormat); - if FormatDesc.IsCompressed then - raise EglBitmapUnsupportedFormat.Create(aFormat); - - w := aRight - aLeft; - h := aBottom - aTop; - Size := FormatDesc.GetSize(w, h); - GetMem(Temp, Size); - try - glPixelStorei(GL_PACK_ALIGNMENT, 1); - glReadPixels(aLeft, aTop, w, h, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); - SetDataPointer(Temp, aFormat, w, h); //be careful, Data could be freed by this method - FlipVert; - except - if Assigned(Temp) then - FreeMem(Temp); - raise; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.GetDataFromTexture; -var - Temp: PByte; - TempWidth, TempHeight: Integer; - TempIntFormat: GLint; - IntFormat: TglBitmapFormat; - FormatDesc: TFormatDescriptor; -begin - Bind; - - // Request Data - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_WIDTH, @TempWidth); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_HEIGHT, @TempHeight); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_INTERNAL_FORMAT, @TempIntFormat); - - IntFormat := tfEmpty; - FormatDesc := (TglBitmapFormatDescriptor.GetByFormat(TempIntFormat) as TFormatDescriptor); - IntFormat := FormatDesc.Format; - - // Getting data from OpenGL - FormatDesc := TFormatDescriptor.Get(IntFormat); - GetMem(Temp, FormatDesc.GetSize(TempWidth, TempHeight)); - try - if FormatDesc.IsCompressed then begin - if not Assigned(glGetCompressedTexImage) then - raise EglBitmap.Create('compressed formats not supported by video adapter'); - glGetCompressedTexImage(Target, 0, Temp) - end else - glGetTexImage(Target, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); - SetDataPointer(Temp, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method - except - if Assigned(Temp) then - FreeMem(Temp); - raise; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.GenTexture(const aTestTextureSize: Boolean); -var - BuildWithGlu, PotTex, TexRec: Boolean; - TexSize: Integer; -begin - if Assigned(Data) then begin - // Check Texture Size - if (aTestTextureSize) then begin - glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); - - if ((Height > TexSize) or (Width > TexSize)) then - raise EglBitmapSizeToLarge.Create('TglBitmap2D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); - - PotTex := IsPowerOfTwo(Height) and IsPowerOfTwo(Width); - TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and (Target = GL_TEXTURE_RECTANGLE); - if not (PotTex or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then - raise EglBitmapNonPowerOfTwo.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.'); - end; - - CreateId; - SetupParameters(BuildWithGlu); - UploadData(Target, BuildWithGlu); - glAreTexturesResident(1, @fID, @fIsResident); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap2D.FlipHorz: Boolean; -var - Col, Row: Integer; - TempDestData, DestData, SourceData: PByte; - ImgSize: Integer; -begin - result := inherited FlipHorz; - if Assigned(Data) then begin - SourceData := Data; - ImgSize := Height * fRowSize; - GetMem(DestData, ImgSize); - try - TempDestData := DestData; - Dec(TempDestData, fRowSize + fPixelSize); - for Row := 0 to Height -1 do begin - Inc(TempDestData, fRowSize * 2); - for Col := 0 to Width -1 do begin - Move(SourceData^, TempDestData^, fPixelSize); - Inc(SourceData, fPixelSize); - Dec(TempDestData, fPixelSize); - end; - end; - SetDataPointer(DestData, Format, Width, Height); //be careful, Data could be freed by this method - result := true; - except - if Assigned(DestData) then - FreeMem(DestData); - raise; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap2D.FlipVert: Boolean; -var - Row: Integer; - TempDestData, DestData, SourceData: PByte; -begin - result := inherited FlipVert; - if Assigned(Data) then begin - SourceData := Data; - GetMem(DestData, Height * fRowSize); - try - TempDestData := DestData; - Inc(TempDestData, Width * (Height -1) * fPixelSize); - for Row := 0 to Height -1 do begin - Move(SourceData^, TempDestData^, fRowSize); - Dec(TempDestData, fRowSize); - Inc(SourceData, fRowSize); - end; - SetDataPointer(DestData, Format, Width, Height); //be careful, Data could be freed by this method - result := true; - except - if Assigned(DestData) then - FreeMem(DestData); - raise; - end; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmap2D - ToNormalMap/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -type - TMatrixItem = record - X, Y: Integer; - W: Single; - end; - - PglBitmapToNormalMapRec = ^TglBitmapToNormalMapRec; - TglBitmapToNormalMapRec = Record - Scale: Single; - Heights: array of Single; - MatrixU : array of TMatrixItem; - MatrixV : array of TMatrixItem; - end; - -const - ONE_OVER_255 = 1 / 255; - - ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapToNormalMapPrepareFunc(var FuncRec: TglBitmapFunctionRec); -var - Val: Single; -begin - with FuncRec do begin - Val := - Source.Data.r * LUMINANCE_WEIGHT_R + - Source.Data.g * LUMINANCE_WEIGHT_G + - Source.Data.b * LUMINANCE_WEIGHT_B; - PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Val * ONE_OVER_255; - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapToNormalMapPrepareAlphaFunc(var FuncRec: TglBitmapFunctionRec); -begin - with FuncRec do - PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Source.Data.a * ONE_OVER_255; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapToNormalMapFunc (var FuncRec: TglBitmapFunctionRec); -type - TVec = Array[0..2] of Single; -var - Idx: Integer; - du, dv: Double; - Len: Single; - Vec: TVec; - - function GetHeight(X, Y: Integer): Single; - begin - with FuncRec do begin - X := Max(0, Min(Size.X -1, X)); - Y := Max(0, Min(Size.Y -1, Y)); - result := PglBitmapToNormalMapRec(Args)^.Heights[Y * Size.X + X]; - end; - end; - -begin - with FuncRec do begin - with PglBitmapToNormalMapRec(Args)^ do begin - du := 0; - for Idx := Low(MatrixU) to High(MatrixU) do - du := du + GetHeight(Position.X + MatrixU[Idx].X, Position.Y + MatrixU[Idx].Y) * MatrixU[Idx].W; - - dv := 0; - for Idx := Low(MatrixU) to High(MatrixU) do - dv := dv + GetHeight(Position.X + MatrixV[Idx].X, Position.Y + MatrixV[Idx].Y) * MatrixV[Idx].W; - - Vec[0] := -du * Scale; - Vec[1] := -dv * Scale; - Vec[2] := 1; - end; - - // Normalize - Len := 1 / Sqrt(Sqr(Vec[0]) + Sqr(Vec[1]) + Sqr(Vec[2])); - if Len <> 0 then begin - Vec[0] := Vec[0] * Len; - Vec[1] := Vec[1] * Len; - Vec[2] := Vec[2] * Len; - end; - - // Farbe zuweisem - Dest.Data.r := Trunc((Vec[0] + 1) * 127.5); - Dest.Data.g := Trunc((Vec[1] + 1) * 127.5); - Dest.Data.b := Trunc((Vec[2] + 1) * 127.5); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap2D.ToNormalMap(const aFunc: TglBitmapNormalMapFunc; const aScale: Single; const aUseAlpha: Boolean); -var - Rec: TglBitmapToNormalMapRec; - - procedure SetEntry (var Matrix: array of TMatrixItem; Index, X, Y: Integer; W: Single); - begin - if (Index >= Low(Matrix)) and (Index <= High(Matrix)) then begin - Matrix[Index].X := X; - Matrix[Index].Y := Y; - Matrix[Index].W := W; - end; - end; - -begin - if TFormatDescriptor.Get(Format).IsCompressed then - raise EglBitmapUnsupportedFormat.Create(Format); - - if aScale > 100 then - Rec.Scale := 100 - else if aScale < -100 then - Rec.Scale := -100 - else - Rec.Scale := aScale; - - SetLength(Rec.Heights, Width * Height); - try - case aFunc of - nm4Samples: begin - SetLength(Rec.MatrixU, 2); - SetEntry(Rec.MatrixU, 0, -1, 0, -0.5); - SetEntry(Rec.MatrixU, 1, 1, 0, 0.5); - - SetLength(Rec.MatrixV, 2); - SetEntry(Rec.MatrixV, 0, 0, 1, 0.5); - SetEntry(Rec.MatrixV, 1, 0, -1, -0.5); - end; - - nmSobel: begin - SetLength(Rec.MatrixU, 6); - SetEntry(Rec.MatrixU, 0, -1, 1, -1.0); - SetEntry(Rec.MatrixU, 1, -1, 0, -2.0); - SetEntry(Rec.MatrixU, 2, -1, -1, -1.0); - SetEntry(Rec.MatrixU, 3, 1, 1, 1.0); - SetEntry(Rec.MatrixU, 4, 1, 0, 2.0); - SetEntry(Rec.MatrixU, 5, 1, -1, 1.0); - - SetLength(Rec.MatrixV, 6); - SetEntry(Rec.MatrixV, 0, -1, 1, 1.0); - SetEntry(Rec.MatrixV, 1, 0, 1, 2.0); - SetEntry(Rec.MatrixV, 2, 1, 1, 1.0); - SetEntry(Rec.MatrixV, 3, -1, -1, -1.0); - SetEntry(Rec.MatrixV, 4, 0, -1, -2.0); - SetEntry(Rec.MatrixV, 5, 1, -1, -1.0); - end; - - nm3x3: begin - SetLength(Rec.MatrixU, 6); - SetEntry(Rec.MatrixU, 0, -1, 1, -1/6); - SetEntry(Rec.MatrixU, 1, -1, 0, -1/6); - SetEntry(Rec.MatrixU, 2, -1, -1, -1/6); - SetEntry(Rec.MatrixU, 3, 1, 1, 1/6); - SetEntry(Rec.MatrixU, 4, 1, 0, 1/6); - SetEntry(Rec.MatrixU, 5, 1, -1, 1/6); - - SetLength(Rec.MatrixV, 6); - SetEntry(Rec.MatrixV, 0, -1, 1, 1/6); - SetEntry(Rec.MatrixV, 1, 0, 1, 1/6); - SetEntry(Rec.MatrixV, 2, 1, 1, 1/6); - SetEntry(Rec.MatrixV, 3, -1, -1, -1/6); - SetEntry(Rec.MatrixV, 4, 0, -1, -1/6); - SetEntry(Rec.MatrixV, 5, 1, -1, -1/6); - end; - - nm5x5: begin - SetLength(Rec.MatrixU, 20); - SetEntry(Rec.MatrixU, 0, -2, 2, -1 / 16); - SetEntry(Rec.MatrixU, 1, -1, 2, -1 / 10); - SetEntry(Rec.MatrixU, 2, 1, 2, 1 / 10); - SetEntry(Rec.MatrixU, 3, 2, 2, 1 / 16); - SetEntry(Rec.MatrixU, 4, -2, 1, -1 / 10); - SetEntry(Rec.MatrixU, 5, -1, 1, -1 / 8); - SetEntry(Rec.MatrixU, 6, 1, 1, 1 / 8); - SetEntry(Rec.MatrixU, 7, 2, 1, 1 / 10); - SetEntry(Rec.MatrixU, 8, -2, 0, -1 / 2.8); - SetEntry(Rec.MatrixU, 9, -1, 0, -0.5); - SetEntry(Rec.MatrixU, 10, 1, 0, 0.5); - SetEntry(Rec.MatrixU, 11, 2, 0, 1 / 2.8); - SetEntry(Rec.MatrixU, 12, -2, -1, -1 / 10); - SetEntry(Rec.MatrixU, 13, -1, -1, -1 / 8); - SetEntry(Rec.MatrixU, 14, 1, -1, 1 / 8); - SetEntry(Rec.MatrixU, 15, 2, -1, 1 / 10); - SetEntry(Rec.MatrixU, 16, -2, -2, -1 / 16); - SetEntry(Rec.MatrixU, 17, -1, -2, -1 / 10); - SetEntry(Rec.MatrixU, 18, 1, -2, 1 / 10); - SetEntry(Rec.MatrixU, 19, 2, -2, 1 / 16); - - SetLength(Rec.MatrixV, 20); - SetEntry(Rec.MatrixV, 0, -2, 2, 1 / 16); - SetEntry(Rec.MatrixV, 1, -1, 2, 1 / 10); - SetEntry(Rec.MatrixV, 2, 0, 2, 0.25); - SetEntry(Rec.MatrixV, 3, 1, 2, 1 / 10); - SetEntry(Rec.MatrixV, 4, 2, 2, 1 / 16); - SetEntry(Rec.MatrixV, 5, -2, 1, 1 / 10); - SetEntry(Rec.MatrixV, 6, -1, 1, 1 / 8); - SetEntry(Rec.MatrixV, 7, 0, 1, 0.5); - SetEntry(Rec.MatrixV, 8, 1, 1, 1 / 8); - SetEntry(Rec.MatrixV, 9, 2, 1, 1 / 16); - SetEntry(Rec.MatrixV, 10, -2, -1, -1 / 16); - SetEntry(Rec.MatrixV, 11, -1, -1, -1 / 8); - SetEntry(Rec.MatrixV, 12, 0, -1, -0.5); - SetEntry(Rec.MatrixV, 13, 1, -1, -1 / 8); - SetEntry(Rec.MatrixV, 14, 2, -1, -1 / 10); - SetEntry(Rec.MatrixV, 15, -2, -2, -1 / 16); - SetEntry(Rec.MatrixV, 16, -1, -2, -1 / 10); - SetEntry(Rec.MatrixV, 17, 0, -2, -0.25); - SetEntry(Rec.MatrixV, 18, 1, -2, -1 / 10); - SetEntry(Rec.MatrixV, 19, 2, -2, -1 / 16); - end; - end; - - // Daten Sammeln - if aUseAlpha and TFormatDescriptor.Get(Format).HasAlpha then - AddFunc(glBitmapToNormalMapPrepareAlphaFunc, false, @Rec) - else - AddFunc(glBitmapToNormalMapPrepareFunc, false, @Rec); - AddFunc(glBitmapToNormalMapFunc, false, @Rec); - finally - SetLength(Rec.Heights, 0); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmapCubeMap//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmapCubeMap.GenTexture(const aTestTextureSize: Boolean); -begin - Assert(false, 'TglBitmapCubeMap.GenTexture - Don''t call GenTextures directly.'); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmapCubeMap.AfterConstruction; -begin - inherited; - - if not (GL_VERSION_1_3 or GL_ARB_texture_cube_map or GL_EXT_texture_cube_map) then - raise EglBitmap.Create('TglBitmapCubeMap.AfterConstruction - CubeMaps are unsupported.'); - - SetWrap; - Target := GL_TEXTURE_CUBE_MAP; - fGenMode := GL_REFLECTION_MAP; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmapCubeMap.GenerateCubeMap(const aCubeTarget: Cardinal; const aTestTextureSize: Boolean); -var - BuildWithGlu: Boolean; - TexSize: Integer; -begin - if (aTestTextureSize) then begin - glGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, @TexSize); - - if (Height > TexSize) or (Width > TexSize) then - raise EglBitmapSizeToLarge.Create('TglBitmapCubeMap.GenTexture - The size for the Cubemap is to large. It''s may be not conform with the Hardware.'); - - if not ((IsPowerOfTwo(Height) and IsPowerOfTwo(Width)) or GL_VERSION_2_0 or GL_ARB_texture_non_power_of_two) then - raise EglBitmapNonPowerOfTwo.Create('TglBitmapCubeMap.GenTexture - Cubemaps dosn''t support non power of two texture.'); - end; - - if (ID = 0) then - CreateID; - SetupParameters(BuildWithGlu); - UploadData(aCubeTarget, BuildWithGlu); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmapCubeMap.Bind(const aEnableTexCoordsGen: Boolean; const aEnableTextureUnit: Boolean); -begin - inherited Bind (aEnableTextureUnit); - if aEnableTexCoordsGen then begin - glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, fGenMode); - glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, fGenMode); - glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, fGenMode); - glEnable(GL_TEXTURE_GEN_S); - glEnable(GL_TEXTURE_GEN_T); - glEnable(GL_TEXTURE_GEN_R); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmapCubeMap.Unbind(const aDisableTexCoordsGen: Boolean; const aDisableTextureUnit: Boolean); -begin - inherited Unbind(aDisableTextureUnit); - if aDisableTexCoordsGen then begin - glDisable(GL_TEXTURE_GEN_S); - glDisable(GL_TEXTURE_GEN_T); - glDisable(GL_TEXTURE_GEN_R); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmapNormalMap////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -type - TVec = Array[0..2] of Single; - TglBitmapNormalMapGetVectorFunc = procedure (out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); - - PglBitmapNormalMapRec = ^TglBitmapNormalMapRec; - TglBitmapNormalMapRec = record - HalfSize : Integer; - Func: TglBitmapNormalMapGetVectorFunc; - end; - - ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapNormalMapPosX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); -begin - aVec[0] := aHalfSize; - aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); - aVec[2] := - (aPosition.X + 0.5 - aHalfSize); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapNormalMapNegX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); -begin - aVec[0] := - aHalfSize; - aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); - aVec[2] := aPosition.X + 0.5 - aHalfSize; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapNormalMapPosY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); -begin - aVec[0] := aPosition.X + 0.5 - aHalfSize; - aVec[1] := aHalfSize; - aVec[2] := aPosition.Y + 0.5 - aHalfSize; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapNormalMapNegY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); -begin - aVec[0] := aPosition.X + 0.5 - aHalfSize; - aVec[1] := - aHalfSize; - aVec[2] := - (aPosition.Y + 0.5 - aHalfSize); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapNormalMapPosZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); -begin - aVec[0] := aPosition.X + 0.5 - aHalfSize; - aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); - aVec[2] := aHalfSize; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapNormalMapNegZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); -begin - aVec[0] := - (aPosition.X + 0.5 - aHalfSize); - aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); - aVec[2] := - aHalfSize; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glBitmapNormalMapFunc(var FuncRec: TglBitmapFunctionRec); -var - i: Integer; - Vec: TVec; - Len: Single; -begin - with FuncRec do begin - with PglBitmapNormalMapRec(Args)^ do begin - Func(Vec, Position, HalfSize); - - // Normalize - Len := 1 / Sqrt(Sqr(Vec[0]) + Sqr(Vec[1]) + Sqr(Vec[2])); - if Len <> 0 then begin - Vec[0] := Vec[0] * Len; - Vec[1] := Vec[1] * Len; - Vec[2] := Vec[2] * Len; - end; - - // Scale Vector and AddVectro - Vec[0] := Vec[0] * 0.5 + 0.5; - Vec[1] := Vec[1] * 0.5 + 0.5; - Vec[2] := Vec[2] * 0.5 + 0.5; - end; - - // Set Color - for i := 0 to 2 do - Dest.Data.arr[i] := Round(Vec[i] * 255); - end; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmapNormalMap.AfterConstruction; -begin - inherited; - fGenMode := GL_NORMAL_MAP; -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmapNormalMap.GenerateNormalMap(const aSize: Integer; const aTestTextureSize: Boolean); -var - Rec: TglBitmapNormalMapRec; - SizeRec: TglBitmapPixelPosition; -begin - Rec.HalfSize := aSize div 2; - FreeDataAfterGenTexture := false; - - SizeRec.Fields := [ffX, ffY]; - SizeRec.X := aSize; - SizeRec.Y := aSize; - - // Positive X - Rec.Func := glBitmapNormalMapPosX; - LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_X, aTestTextureSize); - - // Negative X - Rec.Func := glBitmapNormalMapNegX; - LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, aTestTextureSize); - - // Positive Y - Rec.Func := glBitmapNormalMapPosY; - LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, aTestTextureSize); - - // Negative Y - Rec.Func := glBitmapNormalMapNegY; - LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, aTestTextureSize); - - // Positive Z - Rec.Func := glBitmapNormalMapPosZ; - LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, aTestTextureSize); - - // Negative Z - Rec.Func := glBitmapNormalMapNegZ; - LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); - GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, aTestTextureSize); -end; - - -initialization - glBitmapSetDefaultFormat (tfEmpty); - glBitmapSetDefaultMipmap (mmMipmap); - glBitmapSetDefaultFilter (GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR); - glBitmapSetDefaultWrap (GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); - glBitmapSetDefaultSwizzle(GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA); - - glBitmapSetDefaultFreeDataAfterGenTexture(true); - glBitmapSetDefaultDeleteTextureOnFree (true); - - TFormatDescriptor.Init; - -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} - OpenGLInitialized := false; - InitOpenGLCS := TCriticalSection.Create; -{$ENDIF} - -finalization - TFormatDescriptor.Finalize; - -{$IFDEF GLB_NATIVE_OGL} - if Assigned(GL_LibHandle) then - glbFreeLibrary(GL_LibHandle); - -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} - if Assigned(GLU_LibHandle) then - glbFreeLibrary(GLU_LibHandle); - FreeAndNil(InitOpenGLCS); -{$ENDIF} -{$ENDIF} - -end. diff --git a/uglcBitmap.pas b/uglcBitmap.pas new file mode 100644 index 0000000..d9b0b97 --- /dev/null +++ b/uglcBitmap.pas @@ -0,0 +1,8666 @@ +{*********************************************************** +glBitmap by Steffen Xonna aka Lossy eX (2003-2008) +http://www.opengl24.de/index.php?cat=header&file=glbitmap + +modified by Delphi OpenGL Community (http://delphigl.com/) (2013) + +------------------------------------------------------------ +The contents of this file are used with permission, subject to +the Mozilla Public License Version 1.1 (the "License"); you may +not use this file except in compliance with the License. You may +obtain a copy of the License at +http://www.mozilla.org/MPL/MPL-1.1.html +------------------------------------------------------------ +Version 3.0.1 +------------------------------------------------------------ +History +20-11-2013 +- refactoring of the complete library +21-03-2010 +- The define GLB_DELPHI dosn't check versions anymore. If you say you are using delphi + then it's your problem if that isn't true. This prevents the unit for incompatibility + with newer versions of Delphi. +- Problems with D2009+ resolved (Thanks noeska and all i forgot) +- GetPixel isn't set if you are loading textures inside the constructor (Thanks Wilson) +10-08-2008 +- AddAlphaFromglBitmap used the custom pointer instead the imagedatapointer (Thanks Wilson) +- Additional Datapointer for functioninterface now has the name CustomData +24-07-2008 +- AssigneAlphaToBitmap overwrites his own palette (Thanks Wilson) +- If you load an texture from an file the property Filename will be set to the name of the file +- Three new properties to attach custom data to the Texture objects + - CustomName (free for use string) + - CustomNameW (free for use widestring) + - CustomDataPointer (free for use pointer to attach other objects or complex structures) +27-05-2008 +- RLE TGAs loaded much faster +26-05-2008 +- fixed some problem with reading RLE TGAs. +21-05-2008 +- function clone now only copys data if it's assigned and now it also copies the ID +- it seems that lazarus dont like comments in comments. +01-05-2008 +- It's possible to set the id of the texture +- define GLB_NO_NATIVE_GL deactivated by default +27-04-2008 +- Now supports the following libraries + - SDL and SDL_image + - libPNG + - libJPEG +- Linux compatibillity via free pascal compatibility (delphi sources optional) +- BMPs now loaded manuel +- Large restructuring +- Property DataPtr now has the name Data +- Functions are more flexible between RGB(A) and BGR(A). RGB can be saved as Bitmap and will be saved as BGR +- Unused Depth removed +- Function FreeData to freeing image data added +24-10-2007 +- ImageID flag of TGAs was ignored. (Thanks Zwoetzen) +15-11-2006 +- Function SetBorderColor implemented (only used by opengl if wrap is set to GL_CLAMP_TO_BORDER) +- Function AddAlphaFromValue implemented to use an fixed Value as Alphachannel +- Function ReadOpenGLExtension is now only intern +29-06-2006 +- pngimage now disabled by default like all other versions. +26-06-2006 +- Setting up an anisotropic filter of 0 isnt allowed by nvidia (Thanks Ogridi) +22-06-2006 +- Fixed some Problem with Delphi 5 +- Now uses the newest version of pngimage. Makes saving pngs much easier. +22-03-2006 +- Property IsCompressed and Size removed. Not really supported by Spec (Thanks Ogridi) +09-03-2006 +- Internal Format ifDepth8 added +- function GrabScreen now supports all uncompressed formats +31-01-2006 +- AddAlphaFromglBitmap implemented +29-12-2005 +- LoadFromResource and LoadFromResourceId now needs an Instance and an ResourceType (for ID) +28-12-2005 +- Width, Height and Depth internal changed to TglBitmapPixelPosition. + property Width, Height, Depth are still existing and new property Dimension are avail +11-12-2005 +- Added native OpenGL Support. Breaking the dglOpenGL "barrier". +19-10-2005 +- Added function GrabScreen to class TglBitmap2D +18-10-2005 +- Added support to Save images +- Added function Clone to Clone Instance +11-10-2005 +- Functions now works with Cardinals for each channel. Up to 32 Bits per channel. + Usefull for Future +- Several speed optimizations +09-10-2005 +- Internal structure change. Loading of TGA, PNG and DDS improved. + Data, format and size will now set directly with SetDataPtr. +- AddFunc now works with all Types of Images and Formats +- Some Funtions moved to Baseclass TglBitmap +06-10-2005 +- Added Support to decompress DXT3 and DXT5 compressed Images. +- Added Mapping to convert data from one format into an other. +05-10-2005 +- Added method ConvertTo in Class TglBitmap2D. Method allows to convert every + supported Input format (supported by GetPixel) into any uncompresed Format +- Added Support to decompress DXT1 compressed Images. +- SwapColors replaced by ConvertTo +04-10-2005 +- Added Support for compressed DDSs +- Added new internal formats (DXT1, DXT3, DXT5) +29-09-2005 +- Parameter Components renamed to InternalFormat +23-09-2005 +- Some AllocMem replaced with GetMem (little speed change) +- better exception handling. Better protection from memory leaks. +22-09-2005 +- Added support for Direct Draw Surfaces (.DDS) (uncompressed images only) +- Added new internal formats (RGB8, RGBA8, RGBA4, RGB5A1, RGB10A2, R5G6B5) +07-09-2005 +- Added support for Grayscale textures +- Added internal formats (Alpha, Luminance, LuminanceAlpha, BGR8, BGRA8) +10-07-2005 +- Added support for GL_VERSION_2_0 +- Added support for GL_EXT_texture_filter_anisotropic +04-07-2005 +- Function FillWithColor fills the Image with one Color +- Function LoadNormalMap added +30-06-2005 +- ToNormalMap allows to Create an NormalMap from the Alphachannel +- ToNormalMap now supports Sobel (nmSobel) function. +29-06-2005 +- support for RLE Compressed RGB TGAs added +28-06-2005 +- Class TglBitmapNormalMap added to support Normalmap generation +- Added function ToNormalMap in class TglBitmap2D to genereate normal maps from textures. + 3 Filters are supported. (4 Samples, 3x3 and 5x5) +16-06-2005 +- Method LoadCubeMapClass removed +- LoadCubeMap returnvalue is now the Texture paramter. Such as LoadTextures +- virtual abstract method GenTexture in class TglBitmap now is protected +12-06-2005 +- now support DescriptionFlag in LoadTga. Allows vertical flipped images to be loaded as normal +10-06-2005 +- little enhancement for IsPowerOfTwo +- TglBitmap1D.GenTexture now tests NPOT Textures +06-06-2005 +- some little name changes. All properties or function with Texture in name are + now without texture in name. We have allways texture so we dosn't name it. +03-06-2005 +- GenTexture now tests if texture is NPOT and NPOT-Texture are supported or + TextureTarget is GL_TEXTURE_RECTANGLE. Else it raised an exception. +02-06-2005 +- added support for GL_ARB_texture_rectangle, GL_EXT_texture_rectangle and GL_NV_texture_rectangle +25-04-2005 +- Function Unbind added +- call of SetFilter or SetTextureWrap if TextureID exists results in setting properties to opengl texture. +21-04-2005 +- class TglBitmapCubeMap added (allows to Create Cubemaps) +29-03-2005 +- Added Support for PNG Images. (http://pngdelphi.sourceforge.net/) + To Enable png's use the define pngimage +22-03-2005 +- New Functioninterface added +- Function GetPixel added +27-11-2004 +- Property BuildMipMaps renamed to MipMap +21-11-2004 +- property Name removed. +- BuildMipMaps is now a set of 3 values. None, GluBuildMipmaps and SGIS_generate_mipmap +22-05-2004 +- property name added. Only used in glForms! +26-11-2003 +- property FreeDataAfterGenTexture is now available as default (default = true) +- BuildMipmaps now implemented in TglBitmap1D (i've forgotten it) +- function MoveMemory replaced with function Move (little speed change) +- several calculations stored in variables (little speed change) +29-09-2003 +- property BuildMipsMaps added (default = true) + if BuildMipMaps isn't set GenTextures uses glTexImage[12]D else it use gluBuild[12]dMipmaps +- property FreeDataAfterGenTexture added (default = true) + if FreeDataAfterGenTexture is set the texturedata were deleted after the texture was generated. +- parameter DisableOtherTextureUnits of Bind removed +- parameter FreeDataAfterGeneration of GenTextures removed +12-09-2003 +- TglBitmap dosn't delete data if class was destroyed (fixed) +09-09-2003 +- Bind now enables TextureUnits (by params) +- GenTextures can leave data (by param) +- LoadTextures now optimal +03-09-2003 +- Performance optimization in AddFunc +- procedure Bind moved to subclasses +- Added new Class TglBitmap1D to support real OpenGL 1D Textures +19-08-2003 +- Texturefilter and texturewrap now also as defaults + Minfilter = GL_LINEAR_MIPMAP_LINEAR + Magfilter = GL_LINEAR + Wrap(str) = GL_CLAMP_TO_EDGE +- Added new format tfCompressed to create a compressed texture. +- propertys IsCompressed, TextureSize and IsResident added + IsCompressed and TextureSize only contains data from level 0 +18-08-2003 +- Added function AddFunc to add PerPixelEffects to Image +- LoadFromFunc now based on AddFunc +- Invert now based on AddFunc +- SwapColors now based on AddFunc +16-08-2003 +- Added function FlipHorz +15-08-2003 +- Added function LaodFromFunc to create images with function +- Added function FlipVert +- Added internal format RGB(A) if GL_EXT_bgra or OpenGL 1.2 isn't supported +29-07-2003 +- Added Alphafunctions to calculate alpha per function +- Added Alpha from ColorKey using alphafunctions +28-07-2003 +- First full functionally Version of glBitmap +- Support for 24Bit and 32Bit TGA Pictures added +25-07-2003 +- begin of programming +***********************************************************} +unit glBitmap; + +// Please uncomment the defines below to configure the glBitmap to your preferences. +// If you have configured the unit you can uncomment the warning above. +{$MESSAGE error 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Preferences /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// activate to enable build-in OpenGL support with statically linked methods +// use dglOpenGL.pas if not enabled +{.$DEFINE GLB_NATIVE_OGL_STATIC} + +// activate to enable build-in OpenGL support with dynamically linked methods +// use dglOpenGL.pas if not enabled +{.$DEFINE GLB_NATIVE_OGL_DYNAMIC} + + +// activate to enable the support for SDL_surfaces +{.$DEFINE GLB_SDL} + +// activate to enable the support for Delphi (including support for Delphi's (not Lazarus') TBitmap) +{.$DEFINE GLB_DELPHI} + +// activate to enable the support for TLazIntfImage from Lazarus +{.$DEFINE GLB_LAZARUS} + + + +// activate to enable the support of SDL_image to load files. (READ ONLY) +// If you enable SDL_image all other libraries will be ignored! +{.$DEFINE GLB_SDL_IMAGE} + + + +// activate to enable Lazarus TPortableNetworkGraphic support +// if you enable this pngImage and libPNG will be ignored +{.$DEFINE GLB_LAZ_PNG} + +// activate to enable png support with the unit pngimage -> http://pngdelphi.sourceforge.net/ +// if you enable pngimage the libPNG will be ignored +{.$DEFINE GLB_PNGIMAGE} + +// activate to use the libPNG -> http://www.libpng.org/ +// You will need an aditional header -> http://www.opengl24.de/index.php?cat=header&file=libpng +{.$DEFINE GLB_LIB_PNG} + + + +// activate to enable Lazarus TJPEGImage support +// if you enable this delphi jpegs and libJPEG will be ignored +{.$DEFINE GLB_LAZ_JPEG} + +// if you enable delphi jpegs the libJPEG will be ignored +{.$DEFINE GLB_DELPHI_JPEG} + +// activate to use the libJPEG -> http://www.ijg.org/ +// You will need an aditional header -> http://www.opengl24.de/index.php?cat=header&file=libjpeg +{.$DEFINE GLB_LIB_JPEG} + + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// PRIVATE: do not change anything! ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Delphi Versions +{$IFDEF fpc} + {$MODE Delphi} + + {$IFDEF CPUI386} + {$DEFINE CPU386} + {$ASMMODE INTEL} + {$ENDIF} + + {$IFNDEF WINDOWS} + {$linklib c} + {$ENDIF} +{$ENDIF} + +// Operation System +{$IF DEFINED(WIN32) or DEFINED(WIN64) or DEFINED(WINDOWS)} + {$DEFINE GLB_WIN} +{$ELSEIF DEFINED(LINUX)} + {$DEFINE GLB_LINUX} +{$IFEND} + +// native OpenGL Support +{$IF DEFINED(GLB_NATIVE_OGL_STATIC) OR DEFINED(GLB_NATIVE_OGL_DYNAMIC)} + {$DEFINE GLB_NATIVE_OGL} +{$IFEND} + +// checking define combinations +//SDL Image +{$IFDEF GLB_SDL_IMAGE} + {$IFNDEF GLB_SDL} + {$MESSAGE warn 'SDL_image won''t work without SDL. SDL will be activated.'} + {$DEFINE GLB_SDL} + {$ENDIF} + + {$IFDEF GLB_LAZ_PNG} + {$MESSAGE warn 'The Lazarus TPortableNetworkGraphics will be ignored because you are using SDL_image.'} + {$undef GLB_LAZ_PNG} + {$ENDIF} + + {$IFDEF GLB_PNGIMAGE} + {$MESSAGE warn 'The unit pngimage will be ignored because you are using SDL_image.'} + {$undef GLB_PNGIMAGE} + {$ENDIF} + + {$IFDEF GLB_LAZ_JPEG} + {$MESSAGE warn 'The Lazarus TJPEGImage will be ignored because you are using SDL_image.'} + {$undef GLB_LAZ_JPEG} + {$ENDIF} + + {$IFDEF GLB_DELPHI_JPEG} + {$MESSAGE warn 'The unit JPEG will be ignored because you are using SDL_image.'} + {$undef GLB_DELPHI_JPEG} + {$ENDIF} + + {$IFDEF GLB_LIB_PNG} + {$MESSAGE warn 'The library libPNG will be ignored because you are using SDL_image.'} + {$undef GLB_LIB_PNG} + {$ENDIF} + + {$IFDEF GLB_LIB_JPEG} + {$MESSAGE warn 'The library libJPEG will be ignored because you are using SDL_image.'} + {$undef GLB_LIB_JPEG} + {$ENDIF} + + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_JPEG_READ} +{$ENDIF} + +// Lazarus TPortableNetworkGraphic +{$IFDEF GLB_LAZ_PNG} + {$IFNDEF GLB_LAZARUS} + {$MESSAGE warn 'Lazarus TPortableNetworkGraphic won''t work without Lazarus. Lazarus will be activated.'} + {$DEFINE GLB_LAZARUS} + {$ENDIF} + + {$IFDEF GLB_PNGIMAGE} + {$MESSAGE warn 'The pngimage will be ignored if you are using Lazarus TPortableNetworkGraphic.'} + {$undef GLB_PNGIMAGE} + {$ENDIF} + + {$IFDEF GLB_LIB_PNG} + {$MESSAGE warn 'The library libPNG will be ignored if you are using Lazarus TPortableNetworkGraphic.'} + {$undef GLB_LIB_PNG} + {$ENDIF} + + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} + +// PNG Image +{$IFDEF GLB_PNGIMAGE} + {$IFDEF GLB_LIB_PNG} + {$MESSAGE warn 'The library libPNG will be ignored if you are using pngimage.'} + {$undef GLB_LIB_PNG} + {$ENDIF} + + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} + +// libPNG +{$IFDEF GLB_LIB_PNG} + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} + +// Lazarus TJPEGImage +{$IFDEF GLB_LAZ_JPEG} + {$IFNDEF GLB_LAZARUS} + {$MESSAGE warn 'Lazarus TJPEGImage won''t work without Lazarus. Lazarus will be activated.'} + {$DEFINE GLB_LAZARUS} + {$ENDIF} + + {$IFDEF GLB_DELPHI_JPEG} + {$MESSAGE warn 'The Delphi JPEGImage will be ignored if you are using the Lazarus TJPEGImage.'} + {$undef GLB_DELPHI_JPEG} + {$ENDIF} + + {$IFDEF GLB_LIB_JPEG} + {$MESSAGE warn 'The library libJPEG will be ignored if you are using the Lazarus TJPEGImage.'} + {$undef GLB_LIB_JPEG} + {$ENDIF} + + {$DEFINE GLB_SUPPORT_JPEG_READ} + {$DEFINE GLB_SUPPORT_JPEG_WRITE} +{$ENDIF} + +// JPEG Image +{$IFDEF GLB_DELPHI_JPEG} + {$IFDEF GLB_LIB_JPEG} + {$MESSAGE warn 'The library libJPEG will be ignored if you are using the unit JPEG.'} + {$undef GLB_LIB_JPEG} + {$ENDIF} + + {$DEFINE GLB_SUPPORT_JPEG_READ} + {$DEFINE GLB_SUPPORT_JPEG_WRITE} +{$ENDIF} + +// libJPEG +{$IFDEF GLB_LIB_JPEG} + {$DEFINE GLB_SUPPORT_JPEG_READ} + {$DEFINE GLB_SUPPORT_JPEG_WRITE} +{$ENDIF} + +// native OpenGL +{$IF DEFINED(GLB_NATIVE_OGL_STATIC) AND DEFINED(GLB_NATIVE_OGL_DYNAMIC)} + {$MESSAGE warn 'GLB_NATIVE_OGL_STATIC will be ignored because you enabled GLB_NATIVE_OGL_DYNAMIC'} +{$IFEND} + +// general options +{$EXTENDEDSYNTAX ON} +{$LONGSTRINGS ON} +{$ALIGN ON} +{$IFNDEF FPC} + {$OPTIMIZATION ON} +{$ENDIF} + +interface + +uses + {$IFNDEF GLB_NATIVE_OGL} dglOpenGL, {$ENDIF} + {$IF DEFINED(GLB_WIN) AND + (DEFINED(GLB_NATIVE_OGL) OR + DEFINED(GLB_DELPHI))} windows, {$IFEND} + + {$IFDEF GLB_SDL} SDL, {$ENDIF} + {$IFDEF GLB_LAZARUS} IntfGraphics, GraphType, Graphics, {$ENDIF} + {$IFDEF GLB_DELPHI} Dialogs, Graphics, Types, {$ENDIF} + + {$IFDEF GLB_SDL_IMAGE} SDL_image, {$ENDIF} + {$IFDEF GLB_PNGIMAGE} pngimage, {$ENDIF} + {$IFDEF GLB_LIB_PNG} libPNG, {$ENDIF} + {$IFDEF GLB_DELPHI_JPEG} JPEG, {$ENDIF} + {$IFDEF GLB_LIB_JPEG} libJPEG, {$ENDIF} + + Classes, SysUtils; + +{$IFDEF GLB_NATIVE_OGL} +const + GL_TRUE = 1; + GL_FALSE = 0; + + GL_ZERO = 0; + GL_ONE = 1; + + GL_VERSION = $1F02; + GL_EXTENSIONS = $1F03; + + GL_TEXTURE_1D = $0DE0; + GL_TEXTURE_2D = $0DE1; + GL_TEXTURE_RECTANGLE = $84F5; + + GL_NORMAL_MAP = $8511; + GL_TEXTURE_CUBE_MAP = $8513; + GL_REFLECTION_MAP = $8512; + GL_TEXTURE_CUBE_MAP_POSITIVE_X = $8515; + GL_TEXTURE_CUBE_MAP_NEGATIVE_X = $8516; + GL_TEXTURE_CUBE_MAP_POSITIVE_Y = $8517; + GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = $8518; + GL_TEXTURE_CUBE_MAP_POSITIVE_Z = $8519; + GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = $851A; + + GL_TEXTURE_WIDTH = $1000; + GL_TEXTURE_HEIGHT = $1001; + GL_TEXTURE_INTERNAL_FORMAT = $1003; + GL_TEXTURE_SWIZZLE_RGBA = $8E46; + + GL_S = $2000; + GL_T = $2001; + GL_R = $2002; + GL_Q = $2003; + + GL_TEXTURE_GEN_S = $0C60; + GL_TEXTURE_GEN_T = $0C61; + GL_TEXTURE_GEN_R = $0C62; + GL_TEXTURE_GEN_Q = $0C63; + + GL_RED = $1903; + GL_GREEN = $1904; + GL_BLUE = $1905; + + GL_ALPHA = $1906; + GL_ALPHA4 = $803B; + GL_ALPHA8 = $803C; + GL_ALPHA12 = $803D; + GL_ALPHA16 = $803E; + + GL_LUMINANCE = $1909; + GL_LUMINANCE4 = $803F; + GL_LUMINANCE8 = $8040; + GL_LUMINANCE12 = $8041; + GL_LUMINANCE16 = $8042; + + GL_LUMINANCE_ALPHA = $190A; + GL_LUMINANCE4_ALPHA4 = $8043; + GL_LUMINANCE6_ALPHA2 = $8044; + GL_LUMINANCE8_ALPHA8 = $8045; + GL_LUMINANCE12_ALPHA4 = $8046; + GL_LUMINANCE12_ALPHA12 = $8047; + GL_LUMINANCE16_ALPHA16 = $8048; + + GL_RGB = $1907; + GL_BGR = $80E0; + GL_R3_G3_B2 = $2A10; + GL_RGB4 = $804F; + GL_RGB5 = $8050; + GL_RGB565 = $8D62; + GL_RGB8 = $8051; + GL_RGB10 = $8052; + GL_RGB12 = $8053; + GL_RGB16 = $8054; + + GL_RGBA = $1908; + GL_BGRA = $80E1; + GL_RGBA2 = $8055; + GL_RGBA4 = $8056; + GL_RGB5_A1 = $8057; + GL_RGBA8 = $8058; + GL_RGB10_A2 = $8059; + GL_RGBA12 = $805A; + GL_RGBA16 = $805B; + + GL_DEPTH_COMPONENT = $1902; + GL_DEPTH_COMPONENT16 = $81A5; + GL_DEPTH_COMPONENT24 = $81A6; + GL_DEPTH_COMPONENT32 = $81A7; + + GL_COMPRESSED_RGB = $84ED; + GL_COMPRESSED_RGBA = $84EE; + GL_COMPRESSED_RGB_S3TC_DXT1_EXT = $83F0; + GL_COMPRESSED_RGBA_S3TC_DXT1_EXT = $83F1; + GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = $83F2; + GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = $83F3; + + GL_UNSIGNED_BYTE = $1401; + GL_UNSIGNED_BYTE_3_3_2 = $8032; + GL_UNSIGNED_BYTE_2_3_3_REV = $8362; + + GL_UNSIGNED_SHORT = $1403; + GL_UNSIGNED_SHORT_5_6_5 = $8363; + GL_UNSIGNED_SHORT_4_4_4_4 = $8033; + GL_UNSIGNED_SHORT_5_5_5_1 = $8034; + GL_UNSIGNED_SHORT_5_6_5_REV = $8364; + GL_UNSIGNED_SHORT_4_4_4_4_REV = $8365; + GL_UNSIGNED_SHORT_1_5_5_5_REV = $8366; + + GL_UNSIGNED_INT = $1405; + GL_UNSIGNED_INT_8_8_8_8 = $8035; + GL_UNSIGNED_INT_10_10_10_2 = $8036; + GL_UNSIGNED_INT_8_8_8_8_REV = $8367; + GL_UNSIGNED_INT_2_10_10_10_REV = $8368; + + { Texture Filter } + GL_TEXTURE_MAG_FILTER = $2800; + GL_TEXTURE_MIN_FILTER = $2801; + GL_NEAREST = $2600; + GL_NEAREST_MIPMAP_NEAREST = $2700; + GL_NEAREST_MIPMAP_LINEAR = $2702; + GL_LINEAR = $2601; + GL_LINEAR_MIPMAP_NEAREST = $2701; + GL_LINEAR_MIPMAP_LINEAR = $2703; + + { Texture Wrap } + GL_TEXTURE_WRAP_S = $2802; + GL_TEXTURE_WRAP_T = $2803; + GL_TEXTURE_WRAP_R = $8072; + GL_CLAMP = $2900; + GL_REPEAT = $2901; + GL_CLAMP_TO_EDGE = $812F; + GL_CLAMP_TO_BORDER = $812D; + GL_MIRRORED_REPEAT = $8370; + + { Other } + GL_GENERATE_MIPMAP = $8191; + GL_TEXTURE_BORDER_COLOR = $1004; + GL_MAX_TEXTURE_SIZE = $0D33; + GL_PACK_ALIGNMENT = $0D05; + GL_UNPACK_ALIGNMENT = $0CF5; + + GL_TEXTURE_MAX_ANISOTROPY_EXT = $84FE; + GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT = $84FF; + GL_MAX_CUBE_MAP_TEXTURE_SIZE = $851C; + GL_TEXTURE_GEN_MODE = $2500; + +{$IF DEFINED(GLB_WIN)} + libglu = 'glu32.dll'; + libopengl = 'opengl32.dll'; +{$ELSEIF DEFINED(GLB_LINUX)} + libglu = 'libGLU.so.1'; + libopengl = 'libGL.so.1'; +{$IFEND} + +type + GLboolean = BYTEBOOL; + GLint = Integer; + GLsizei = Integer; + GLuint = Cardinal; + GLfloat = Single; + GLenum = Cardinal; + + PGLvoid = Pointer; + PGLboolean = ^GLboolean; + PGLint = ^GLint; + PGLuint = ^GLuint; + PGLfloat = ^GLfloat; + + TglCompressedTexImage1D = procedure(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglCompressedTexImage2D = procedure(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglGetCompressedTexImage = procedure(target: GLenum; level: GLint; img: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + +{$IF DEFINED(GLB_WIN)} + TwglGetProcAddress = function (ProcName: PAnsiChar): Pointer; stdcall; +{$ELSEIF DEFINED(GLB_LINUX)} + TglXGetProcAddress = function(ProcName: PAnsiChar): Pointer; cdecl; + TglXGetProcAddressARB = function(const name: PAnsiChar): pointer; cdecl; +{$IFEND} + +{$IF DEFINED(GLB_NATIVE_OGL_DYNAMIC)} + TglEnable = procedure(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglDisable = procedure(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + + TglGetString = function(name: GLenum): PAnsiChar; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglGetIntegerv = procedure(pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + + TglTexParameteri = procedure(target: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglTexParameteriv = procedure(target: GLenum; pname: GLenum; const params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglTexParameterfv = procedure(target: GLenum; pname: GLenum; const params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglGetTexParameteriv = procedure(target: GLenum; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglGetTexParameterfv = procedure(target: GLenum; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglGetTexLevelParameteriv = procedure(target: GLenum; level: GLint; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglGetTexLevelParameterfv = procedure(target: GLenum; level: GLint; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + + TglTexGeni = procedure(coord: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglGenTextures = procedure(n: GLsizei; textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglBindTexture = procedure(target: GLenum; texture: GLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglDeleteTextures = procedure(n: GLsizei; const textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + + TglAreTexturesResident = function(n: GLsizei; const textures: PGLuint; residences: PGLboolean): GLboolean; {$IFDEF DGL_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglReadPixels = procedure(x: GLint; y: GLint; width: GLsizei; height: GLsizei; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglPixelStorei = procedure(pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + + TglTexImage1D = procedure(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglTexImage2D = procedure(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; height: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TglGetTexImage = procedure(target: GLenum; level: GLint; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + + TgluBuild1DMipmaps = function(target: GLEnum; components, width: GLint; format, atype: GLEnum; const data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + TgluBuild2DMipmaps = function(target: GLEnum; components, width, height: GLint; format, atype: GLEnum; const Data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} + +{$ELSEIF DEFINED(GLB_NATIVE_OGL_STATIC)} + procedure glEnable(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glDisable(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + + function glGetString(name: GLenum): PAnsiChar; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glGetIntegerv(pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + + procedure glTexParameteri(target: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glTexParameteriv(target: GLenum; pname: GLenum; const params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glTexParameterfv(target: GLenum; pname: GLenum; const params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glGetTexParameteriv(target: GLenum; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glGetTexParameterfv(target: GLenum; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glGetTexLevelParameteriv(target: GLenum; level: GLint; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glGetTexLevelParameterfv(target: GLenum; level: GLint; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + + procedure glTexGeni(coord: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glGenTextures(n: GLsizei; textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glBindTexture(target: GLenum; texture: GLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glDeleteTextures(n: GLsizei; const textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + + function glAreTexturesResident(n: GLsizei; const textures: PGLuint; residences: PGLboolean): GLboolean; {$IFDEF DGL_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glReadPixels(x: GLint; y: GLint; width: GLsizei; height: GLsizei; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glPixelStorei(pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + + procedure glTexImage1D(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glTexImage2D(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; height: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + procedure glGetTexImage(target: GLenum; level: GLint; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; + + function gluBuild1DMipmaps(target: GLEnum; components, width: GLint; format, atype: GLEnum; const data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libglu; + function gluBuild2DMipmaps(target: GLEnum; components, width, height: GLint; format, atype: GLEnum; const Data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libglu; +{$IFEND} + +var + GL_VERSION_1_2, + GL_VERSION_1_3, + GL_VERSION_1_4, + GL_VERSION_2_0, + GL_VERSION_3_3, + + GL_SGIS_generate_mipmap, + + GL_ARB_texture_border_clamp, + GL_ARB_texture_mirrored_repeat, + GL_ARB_texture_rectangle, + GL_ARB_texture_non_power_of_two, + GL_ARB_texture_swizzle, + GL_ARB_texture_cube_map, + + GL_IBM_texture_mirrored_repeat, + + GL_NV_texture_rectangle, + + GL_EXT_texture_edge_clamp, + GL_EXT_texture_rectangle, + GL_EXT_texture_swizzle, + GL_EXT_texture_cube_map, + GL_EXT_texture_filter_anisotropic: Boolean; + + glCompressedTexImage1D: TglCompressedTexImage1D; + glCompressedTexImage2D: TglCompressedTexImage2D; + glGetCompressedTexImage: TglGetCompressedTexImage; + +{$IF DEFINED(GLB_WIN)} + wglGetProcAddress: TwglGetProcAddress; +{$ELSEIF DEFINED(GLB_LINUX)} + glXGetProcAddress: TglXGetProcAddress; + glXGetProcAddressARB: TglXGetProcAddress; +{$IFEND} + +{$IFDEF GLB_NATIVE_OGL_DYNAMIC} + glEnable: TglEnable; + glDisable: TglDisable; + + glGetString: TglGetString; + glGetIntegerv: TglGetIntegerv; + + glTexParameteri: TglTexParameteri; + glTexParameteriv: TglTexParameteriv; + glTexParameterfv: TglTexParameterfv; + glGetTexParameteriv: TglGetTexParameteriv; + glGetTexParameterfv: TglGetTexParameterfv; + glGetTexLevelParameteriv: TglGetTexLevelParameteriv; + glGetTexLevelParameterfv: TglGetTexLevelParameterfv; + + glTexGeni: TglTexGeni; + glGenTextures: TglGenTextures; + glBindTexture: TglBindTexture; + glDeleteTextures: TglDeleteTextures; + + glAreTexturesResident: TglAreTexturesResident; + glReadPixels: TglReadPixels; + glPixelStorei: TglPixelStorei; + + glTexImage1D: TglTexImage1D; + glTexImage2D: TglTexImage2D; + glGetTexImage: TglGetTexImage; + + gluBuild1DMipmaps: TgluBuild1DMipmaps; + gluBuild2DMipmaps: TgluBuild2DMipmaps; +{$ENDIF} +{$ENDIF} + +type +//////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapFormat = ( + tfEmpty = 0, //must be smallest value! + + tfAlpha4, + tfAlpha8, + tfAlpha12, + tfAlpha16, + + tfLuminance4, + tfLuminance8, + tfLuminance12, + tfLuminance16, + + tfLuminance4Alpha4, + tfLuminance6Alpha2, + tfLuminance8Alpha8, + tfLuminance12Alpha4, + tfLuminance12Alpha12, + tfLuminance16Alpha16, + + tfR3G3B2, + tfRGB4, + tfR5G6B5, + tfRGB5, + tfRGB8, + tfRGB10, + tfRGB12, + tfRGB16, + + tfRGBA2, + tfRGBA4, + tfRGB5A1, + tfRGBA8, + tfRGB10A2, + tfRGBA12, + tfRGBA16, + + tfBGR4, + tfB5G6R5, + tfBGR5, + tfBGR8, + tfBGR10, + tfBGR12, + tfBGR16, + + tfBGRA2, + tfBGRA4, + tfBGR5A1, + tfBGRA8, + tfBGR10A2, + tfBGRA12, + tfBGRA16, + + tfDepth16, + tfDepth24, + tfDepth32, + + tfS3tcDtx1RGBA, + tfS3tcDtx3RGBA, + tfS3tcDtx5RGBA + ); + + TglBitmapFileType = ( + {$IFDEF GLB_SUPPORT_PNG_WRITE} ftPNG, {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_WRITE}ftJPEG, {$ENDIF} + ftDDS, + ftTGA, + ftBMP); + TglBitmapFileTypes = set of TglBitmapFileType; + + TglBitmapMipMap = ( + mmNone, + mmMipmap, + mmMipmapGlu); + + TglBitmapNormalMapFunc = ( + nm4Samples, + nmSobel, + nm3x3, + nm5x5); + + //////////////////////////////////////////////////////////////////////////////////////////////////// + EglBitmap = class(Exception); + EglBitmapNotSupported = class(Exception); + EglBitmapSizeToLarge = class(EglBitmap); + EglBitmapNonPowerOfTwo = class(EglBitmap); + EglBitmapUnsupportedFormat = class(EglBitmap) + public + constructor Create(const aFormat: TglBitmapFormat); overload; + constructor Create(const aMsg: String; const aFormat: TglBitmapFormat); overload; + end; + +//////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapColorRec = packed record + case Integer of + 0: (r, g, b, a: Cardinal); + 1: (arr: array[0..3] of Cardinal); + end; + + TglBitmapPixelData = packed record + Data, Range: TglBitmapColorRec; + Format: TglBitmapFormat; + end; + PglBitmapPixelData = ^TglBitmapPixelData; + +//////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapPixelPositionFields = set of (ffX, ffY); + TglBitmapPixelPosition = record + Fields : TglBitmapPixelPositionFields; + X : Word; + Y : Word; + end; + + TglBitmapFormatDescriptor = class(TObject) + protected + function GetIsCompressed: Boolean; virtual; abstract; + function GetHasRed: Boolean; virtual; abstract; + function GetHasGreen: Boolean; virtual; abstract; + function GetHasBlue: Boolean; virtual; abstract; + function GetHasAlpha: Boolean; virtual; abstract; + + function GetglDataFormat: GLenum; virtual; abstract; + function GetglFormat: GLenum; virtual; abstract; + function GetglInternalFormat: GLenum; virtual; abstract; + public + property IsCompressed: Boolean read GetIsCompressed; + property HasRed: Boolean read GetHasRed; + property HasGreen: Boolean read GetHasGreen; + property HasBlue: Boolean read GetHasBlue; + property HasAlpha: Boolean read GetHasAlpha; + + property glFormat: GLenum read GetglFormat; + property glInternalFormat: GLenum read GetglInternalFormat; + property glDataFormat: GLenum read GetglDataFormat; + public + class function GetByFormat(const aInternalFormat: GLenum): TglBitmapFormatDescriptor; + end; + +//////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmap = class; + TglBitmapFunctionRec = record + Sender: TglBitmap; + Size: TglBitmapPixelPosition; + Position: TglBitmapPixelPosition; + Source: TglBitmapPixelData; + Dest: TglBitmapPixelData; + Args: Pointer; + end; + TglBitmapFunction = procedure(var FuncRec: TglBitmapFunctionRec); + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmap = class + private + function GetFormatDesc: TglBitmapFormatDescriptor; + protected + fID: GLuint; + fTarget: GLuint; + fAnisotropic: Integer; + fDeleteTextureOnFree: Boolean; + fFreeDataOnDestroy: Boolean; + fFreeDataAfterGenTexture: Boolean; + fData: PByte; + fIsResident: GLboolean; + fBorderColor: array[0..3] of Single; + + fDimension: TglBitmapPixelPosition; + fMipMap: TglBitmapMipMap; + fFormat: TglBitmapFormat; + + // Mapping + fPixelSize: Integer; + fRowSize: Integer; + + // Filtering + fFilterMin: GLenum; + fFilterMag: GLenum; + + // TexturWarp + fWrapS: GLenum; + fWrapT: GLenum; + fWrapR: GLenum; + + //Swizzle + fSwizzle: array[0..3] of GLenum; + + // CustomData + fFilename: String; + fCustomName: String; + fCustomNameW: WideString; + fCustomData: Pointer; + + //Getter + function GetWidth: Integer; virtual; + function GetHeight: Integer; virtual; + + function GetFileWidth: Integer; virtual; + function GetFileHeight: Integer; virtual; + + //Setter + procedure SetCustomData(const aValue: Pointer); + procedure SetCustomName(const aValue: String); + procedure SetCustomNameW(const aValue: WideString); + procedure SetFreeDataOnDestroy(const aValue: Boolean); + procedure SetDeleteTextureOnFree(const aValue: Boolean); + procedure SetFormat(const aValue: TglBitmapFormat); + procedure SetFreeDataAfterGenTexture(const aValue: Boolean); + procedure SetID(const aValue: Cardinal); + procedure SetMipMap(const aValue: TglBitmapMipMap); + procedure SetTarget(const aValue: Cardinal); + procedure SetAnisotropic(const aValue: Integer); + + procedure CreateID; + procedure SetupParameters(out aBuildWithGlu: Boolean); + procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer = -1; const aHeight: Integer = -1); virtual; //be careful, aData could be freed by this method + procedure GenTexture(const aTestTextureSize: Boolean = true); virtual; abstract; + + function FlipHorz: Boolean; virtual; + function FlipVert: Boolean; virtual; + + property Width: Integer read GetWidth; + property Height: Integer read GetHeight; + + property FileWidth: Integer read GetFileWidth; + property FileHeight: Integer read GetFileHeight; + public + //Properties + property ID: Cardinal read fID write SetID; + property Target: Cardinal read fTarget write SetTarget; + property Format: TglBitmapFormat read fFormat write SetFormat; + property MipMap: TglBitmapMipMap read fMipMap write SetMipMap; + property Anisotropic: Integer read fAnisotropic write SetAnisotropic; + + property FormatDesc: TglBitmapFormatDescriptor read GetFormatDesc; + + property Filename: String read fFilename; + property CustomName: String read fCustomName write SetCustomName; + property CustomNameW: WideString read fCustomNameW write SetCustomNameW; + property CustomData: Pointer read fCustomData write SetCustomData; + + property DeleteTextureOnFree: Boolean read fDeleteTextureOnFree write SetDeleteTextureOnFree; + property FreeDataOnDestroy: Boolean read fFreeDataOnDestroy write SetFreeDataOnDestroy; + property FreeDataAfterGenTexture: Boolean read fFreeDataAfterGenTexture write SetFreeDataAfterGenTexture; + + property Dimension: TglBitmapPixelPosition read fDimension; + property Data: PByte read fData; + property IsResident: GLboolean read fIsResident; + + procedure AfterConstruction; override; + procedure BeforeDestruction; override; + + procedure PrepareResType(var aResource: String; var aResType: PChar); + + //Load + procedure LoadFromFile(const aFilename: String); + procedure LoadFromStream(const aStream: TStream); virtual; + procedure LoadFromFunc(const aSize: TglBitmapPixelPosition; const aFunc: TglBitmapFunction; + const aFormat: TglBitmapFormat; const aArgs: Pointer = nil); + procedure LoadFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar = nil); + procedure LoadFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); + + //Save + procedure SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType); + procedure SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); virtual; + + //Convert + function AddFunc(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: Pointer = nil): Boolean; overload; + function AddFunc(const aSource: TglBitmap; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; + const aFormat: TglBitmapFormat; const aArgs: Pointer = nil): Boolean; overload; + public + //Alpha & Co + {$IFDEF GLB_SDL} + function AssignToSurface(out aSurface: PSDL_Surface): Boolean; + function AssignFromSurface(const aSurface: PSDL_Surface): Boolean; + function AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; + function AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction = nil; + const aArgs: Pointer = nil): Boolean; + {$ENDIF} + + {$IFDEF GLB_DELPHI} + function AssignToBitmap(const aBitmap: TBitmap): Boolean; + function AssignFromBitmap(const aBitmap: TBitmap): Boolean; + function AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; + function AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction = nil; + const aArgs: Pointer = nil): Boolean; + {$ENDIF} + + {$IFDEF GLB_LAZARUS} + function AssignToLazIntfImage(const aImage: TLazIntfImage): Boolean; + function AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean; + function AssignAlphaToLazIntfImage(const aImage: TLazIntfImage): Boolean; + function AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction = nil; + const aArgs: Pointer = nil): Boolean; + {$ENDIF} + + function AddAlphaFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar = nil; + const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + function AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; + const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + + function AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer = nil): Boolean; virtual; + function AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + function AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + function AddAlphaFromGlBitmap(const aBitmap: TglBitmap; aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; + + function AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte = 0): Boolean; + function AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal = 0): Boolean; + function AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single = 0): Boolean; + + function AddAlphaFromValue(const aAlpha: Byte): Boolean; + function AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; + function AddAlphaFromValueFloat(const aAlpha: Single): Boolean; + + function RemoveAlpha: Boolean; virtual; + public + //Common + function Clone: TglBitmap; + function ConvertTo(const aFormat: TglBitmapFormat): Boolean; virtual; + procedure Invert(const aUseRGB: Boolean = true; const aUseAlpha: Boolean = false); + procedure SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); + procedure FreeData; + + //ColorFill + procedure FillWithColor(const aRed, aGreen, aBlue: Byte; const aAlpha: Byte = 255); + procedure FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal = $FFFFFFFF); + procedure FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha : Single = 1); + + //TexParameters + procedure SetFilter(const aMin, aMag: GLenum); + procedure SetWrap( + const S: GLenum = GL_CLAMP_TO_EDGE; + const T: GLenum = GL_CLAMP_TO_EDGE; + const R: GLenum = GL_CLAMP_TO_EDGE); + procedure SetSwizzle(const r, g, b, a: GLenum); + + procedure Bind(const aEnableTextureUnit: Boolean = true); virtual; + procedure Unbind(const aDisableTextureUnit: Boolean = true); virtual; + + //Constructors + constructor Create; overload; + constructor Create(const aFileName: String); overload; + constructor Create(const aStream: TStream); overload; + constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; aData: PByte = nil); overload; + constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer = nil); overload; + constructor Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil); overload; + constructor Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); overload; + private + {$IFDEF GLB_SUPPORT_PNG_READ} function LoadPNG(const aStream: TStream): Boolean; virtual; {$ENDIF} + {$ifdef GLB_SUPPORT_PNG_WRITE} procedure SavePNG(const aStream: TStream); virtual; {$ENDIF} + + {$IFDEF GLB_SUPPORT_JPEG_READ} function LoadJPEG(const aStream: TStream): Boolean; virtual; {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_WRITE} procedure SaveJPEG(const aStream: TStream); virtual; {$ENDIF} + + function LoadBMP(const aStream: TStream): Boolean; virtual; + procedure SaveBMP(const aStream: TStream); virtual; + + function LoadTGA(const aStream: TStream): Boolean; virtual; + procedure SaveTGA(const aStream: TStream); virtual; + + function LoadDDS(const aStream: TStream): Boolean; virtual; + procedure SaveDDS(const aStream: TStream); virtual; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmap1D = class(TglBitmap) + protected + procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer = - 1; const aHeight: Integer = - 1); override; + procedure UploadData(const aBuildWithGlu: Boolean); + public + property Width; + procedure AfterConstruction; override; + function FlipHorz: Boolean; override; + procedure GenTexture(const aTestTextureSize: Boolean = true); override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmap2D = class(TglBitmap) + protected + fLines: array of PByte; + function GetScanline(const aIndex: Integer): Pointer; + procedure SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer = - 1; const aHeight: Integer = - 1); override; + procedure UploadData(const aTarget: GLenum; const aBuildWithGlu: Boolean); + public + property Width; + property Height; + property Scanline[const aIndex: Integer]: Pointer read GetScanline; + + procedure AfterConstruction; override; + + procedure GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat); + procedure GetDataFromTexture; + procedure GenTexture(const aTestTextureSize: Boolean = true); override; + + function FlipHorz: Boolean; override; + function FlipVert: Boolean; override; + + procedure ToNormalMap(const aFunc: TglBitmapNormalMapFunc = nm3x3; + const aScale: Single = 2; const aUseAlpha: Boolean = false); + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapCubeMap = class(TglBitmap2D) + protected + fGenMode: Integer; + procedure GenTexture(const aTestTextureSize: Boolean = true); reintroduce; + public + procedure AfterConstruction; override; + procedure GenerateCubeMap(const aCubeTarget: Cardinal; const aTestTextureSize: Boolean = true); + procedure Bind(const aEnableTexCoordsGen: Boolean = true; const aEnableTextureUnit: Boolean = true); reintroduce; virtual; + procedure Unbind(const aDisableTexCoordsGen: Boolean = true; const aDisableTextureUnit: Boolean = true); reintroduce; virtual; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapNormalMap = class(TglBitmapCubeMap) + public + procedure AfterConstruction; override; + procedure GenerateNormalMap(const aSize: Integer = 32; const aTestTextureSize: Boolean = true); + end; + + TglcBitmapFormat = TglBitmapFormat; + TglcBitmap1D = TglBitmap1D; + TglcBitmap2D = TglBitmap2D; + TglcBitmapCubeMap = TglBitmapCubeMap; + TglcBitmapNormalMap = TglBitmapNormalMap; + +const + NULL_SIZE: TglBitmapPixelPosition = (Fields: []; X: 0; Y: 0); + +procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean); +procedure glBitmapSetDefaultFreeDataAfterGenTexture(const aFreeData: Boolean); +procedure glBitmapSetDefaultMipmap(const aValue: TglBitmapMipMap); +procedure glBitmapSetDefaultFormat(const aFormat: TglBitmapFormat); +procedure glBitmapSetDefaultFilter(const aMin, aMag: Integer); +procedure glBitmapSetDefaultWrap( + const S: Cardinal = GL_CLAMP_TO_EDGE; + const T: Cardinal = GL_CLAMP_TO_EDGE; + const R: Cardinal = GL_CLAMP_TO_EDGE); + +function glBitmapGetDefaultDeleteTextureOnFree: Boolean; +function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; +function glBitmapGetDefaultMipmap: TglBitmapMipMap; +function glBitmapGetDefaultFormat: TglBitmapFormat; +procedure glBitmapGetDefaultFilter(var aMin, aMag: Cardinal); +procedure glBitmapGetDefaultTextureWrap(var S, T, R: Cardinal); + +function glBitmapPosition(X: Integer = -1; Y: Integer = -1): TglBitmapPixelPosition; +function glBitmapColorRec(const r, g, b, a: Cardinal): TglBitmapColorRec; +function glBitmapColorRecCmp(const r1, r2: TglBitmapColorRec): Boolean; + +var + glBitmapDefaultDeleteTextureOnFree: Boolean; + glBitmapDefaultFreeDataAfterGenTextures: Boolean; + glBitmapDefaultFormat: TglBitmapFormat; + glBitmapDefaultMipmap: TglBitmapMipMap; + glBitmapDefaultFilterMin: Cardinal; + glBitmapDefaultFilterMag: Cardinal; + glBitmapDefaultWrapS: Cardinal; + glBitmapDefaultWrapT: Cardinal; + glBitmapDefaultWrapR: Cardinal; + glDefaultSwizzle: array[0..3] of GLenum; + +{$IFDEF GLB_DELPHI} +function CreateGrayPalette: HPALETTE; +{$ENDIF} + +implementation + +uses + Math, syncobjs, typinfo + {$IF DEFINED(GLB_SUPPORT_JPEG_READ) AND DEFINED(GLB_LAZ_JPEG)}, FPReadJPEG{$IFEND}; + +type +{$IFNDEF fpc} + QWord = System.UInt64; + PQWord = ^QWord; + + PtrInt = Longint; + PtrUInt = DWord; +{$ENDIF} + +//////////////////////////////////////////////////////////////////////////////////////////////////// + TShiftRec = packed record + case Integer of + 0: (r, g, b, a: Byte); + 1: (arr: array[0..3] of Byte); + end; + + TFormatDescriptor = class(TglBitmapFormatDescriptor) + private + function GetRedMask: QWord; + function GetGreenMask: QWord; + function GetBlueMask: QWord; + function GetAlphaMask: QWord; + protected + fFormat: TglBitmapFormat; + fWithAlpha: TglBitmapFormat; + fWithoutAlpha: TglBitmapFormat; + fRGBInverted: TglBitmapFormat; + fUncompressed: TglBitmapFormat; + fPixelSize: Single; + fIsCompressed: Boolean; + + fRange: TglBitmapColorRec; + fShift: TShiftRec; + + fglFormat: GLenum; + fglInternalFormat: GLenum; + fglDataFormat: GLenum; + + function GetIsCompressed: Boolean; override; + function GetHasRed: Boolean; override; + function GetHasGreen: Boolean; override; + function GetHasBlue: Boolean; override; + function GetHasAlpha: Boolean; override; + + function GetglFormat: GLenum; override; + function GetglInternalFormat: GLenum; override; + function GetglDataFormat: GLenum; override; + + function GetComponents: Integer; virtual; + public + property Format: TglBitmapFormat read fFormat; + property WithAlpha: TglBitmapFormat read fWithAlpha; + property WithoutAlpha: TglBitmapFormat read fWithoutAlpha; + property RGBInverted: TglBitmapFormat read fRGBInverted; + property Components: Integer read GetComponents; + property PixelSize: Single read fPixelSize; + + property Range: TglBitmapColorRec read fRange; + property Shift: TShiftRec read fShift; + + property RedMask: QWord read GetRedMask; + property GreenMask: QWord read GetGreenMask; + property BlueMask: QWord read GetBlueMask; + property AlphaMask: QWord read GetAlphaMask; + + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); virtual; abstract; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); virtual; abstract; + + function GetSize(const aSize: TglBitmapPixelPosition): Integer; overload; virtual; + function GetSize(const aWidth, aHeight: Integer): Integer; overload; virtual; + + function CreateMappingData: Pointer; virtual; + procedure FreeMappingData(var aMappingData: Pointer); virtual; + + function IsEmpty: Boolean; virtual; + function MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: QWord): Boolean; virtual; + + procedure PreparePixel(out aPixel: TglBitmapPixelData); virtual; + + constructor Create; virtual; + public + class procedure Init; + class function Get(const aFormat: TglBitmapFormat): TFormatDescriptor; + class function GetWithAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor; + class procedure Clear; + class procedure Finalize; + end; + TFormatDescriptorClass = class of TFormatDescriptor; + + TfdEmpty = class(TFormatDescriptor); + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlpha_UB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdLuminance_UB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdUniversal_UB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdLuminanceAlpha_UB2 = class(TfdLuminance_UB1) //2* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdRGB_UB3 = class(TFormatDescriptor) //3* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdBGR_UB3 = class(TFormatDescriptor) //3* unsigned byte (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdRGBA_UB4 = class(TfdRGB_UB3) //4* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdBGRA_UB4 = class(TfdBGR_UB3) //4* unsigned byte (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlpha_US1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdLuminance_US1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdUniversal_US1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdDepth_US1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdLuminanceAlpha_US2 = class(TfdLuminance_US1) //2* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdRGB_US3 = class(TFormatDescriptor) //3* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdBGR_US3 = class(TFormatDescriptor) //3* unsigned short (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdRGBA_US4 = class(TfdRGB_US3) //4* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdBGRA_US4 = class(TfdBGR_US3) //4* unsigned short (inverse) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdUniversal_UI1 = class(TFormatDescriptor) //1* unsigned int + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdDepth_UI1 = class(TFormatDescriptor) //1* unsigned int + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlpha4 = class(TfdAlpha_UB1) + constructor Create; override; + end; + + TfdAlpha8 = class(TfdAlpha_UB1) + constructor Create; override; + end; + + TfdAlpha12 = class(TfdAlpha_US1) + constructor Create; override; + end; + + TfdAlpha16 = class(TfdAlpha_US1) + constructor Create; override; + end; + + TfdLuminance4 = class(TfdLuminance_UB1) + constructor Create; override; + end; + + TfdLuminance8 = class(TfdLuminance_UB1) + constructor Create; override; + end; + + TfdLuminance12 = class(TfdLuminance_US1) + constructor Create; override; + end; + + TfdLuminance16 = class(TfdLuminance_US1) + constructor Create; override; + end; + + TfdLuminance4Alpha4 = class(TfdLuminanceAlpha_UB2) + constructor Create; override; + end; + + TfdLuminance6Alpha2 = class(TfdLuminanceAlpha_UB2) + constructor Create; override; + end; + + TfdLuminance8Alpha8 = class(TfdLuminanceAlpha_UB2) + constructor Create; override; + end; + + TfdLuminance12Alpha4 = class(TfdLuminanceAlpha_US2) + constructor Create; override; + end; + + TfdLuminance12Alpha12 = class(TfdLuminanceAlpha_US2) + constructor Create; override; + end; + + TfdLuminance16Alpha16 = class(TfdLuminanceAlpha_US2) + constructor Create; override; + end; + + TfdR3G3B2 = class(TfdUniversal_UB1) + constructor Create; override; + end; + + TfdRGB4 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdR5G6B5 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdRGB5 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdRGB8 = class(TfdRGB_UB3) + constructor Create; override; + end; + + TfdRGB10 = class(TfdUniversal_UI1) + constructor Create; override; + end; + + TfdRGB12 = class(TfdRGB_US3) + constructor Create; override; + end; + + TfdRGB16 = class(TfdRGB_US3) + constructor Create; override; + end; + + TfdRGBA2 = class(TfdRGBA_UB4) + constructor Create; override; + end; + + TfdRGBA4 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdRGB5A1 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdRGBA8 = class(TfdRGBA_UB4) + constructor Create; override; + end; + + TfdRGB10A2 = class(TfdUniversal_UI1) + constructor Create; override; + end; + + TfdRGBA12 = class(TfdRGBA_US4) + constructor Create; override; + end; + + TfdRGBA16 = class(TfdRGBA_US4) + constructor Create; override; + end; + + TfdBGR4 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdB5G6R5 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdBGR5 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdBGR8 = class(TfdBGR_UB3) + constructor Create; override; + end; + + TfdBGR10 = class(TfdUniversal_UI1) + constructor Create; override; + end; + + TfdBGR12 = class(TfdBGR_US3) + constructor Create; override; + end; + + TfdBGR16 = class(TfdBGR_US3) + constructor Create; override; + end; + + TfdBGRA2 = class(TfdBGRA_UB4) + constructor Create; override; + end; + + TfdBGRA4 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdBGR5A1 = class(TfdUniversal_US1) + constructor Create; override; + end; + + TfdBGRA8 = class(TfdBGRA_UB4) + constructor Create; override; + end; + + TfdBGR10A2 = class(TfdUniversal_UI1) + constructor Create; override; + end; + + TfdBGRA12 = class(TfdBGRA_US4) + constructor Create; override; + end; + + TfdBGRA16 = class(TfdBGRA_US4) + constructor Create; override; + end; + + TfdDepth16 = class(TfdDepth_US1) + constructor Create; override; + end; + + TfdDepth24 = class(TfdDepth_UI1) + constructor Create; override; + end; + + TfdDepth32 = class(TfdDepth_UI1) + constructor Create; override; + end; + + TfdS3tcDtx1RGBA = class(TFormatDescriptor) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdS3tcDtx3RGBA = class(TFormatDescriptor) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + + TfdS3tcDtx5RGBA = class(TFormatDescriptor) + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TbmpBitfieldFormat = class(TFormatDescriptor) + private + procedure SetRedMask (const aValue: QWord); + procedure SetGreenMask(const aValue: QWord); + procedure SetBlueMask (const aValue: QWord); + procedure SetAlphaMask(const aValue: QWord); + + procedure Update(aMask: QWord; out aRange: Cardinal; out aShift: Byte); + public + property RedMask: QWord read GetRedMask write SetRedMask; + property GreenMask: QWord read GetGreenMask write SetGreenMask; + property BlueMask: QWord read GetBlueMask write SetBlueMask; + property AlphaMask: QWord read GetAlphaMask write SetAlphaMask; + + property PixelSize: Single read fPixelSize write fPixelSize; + + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TbmpColorTableEnty = packed record + b, g, r, a: Byte; + end; + TbmpColorTable = array of TbmpColorTableEnty; + TbmpColorTableFormat = class(TFormatDescriptor) + private + fColorTable: TbmpColorTable; + public + property PixelSize: Single read fPixelSize write fPixelSize; + property ColorTable: TbmpColorTable read fColorTable write fColorTable; + property Range: TglBitmapColorRec read fRange write fRange; + property Shift: TShiftRec read fShift write fShift; + property Format: TglBitmapFormat read fFormat write fFormat; + + procedure CreateColorTable; + + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + destructor Destroy; override; + end; + +const + LUMINANCE_WEIGHT_R = 0.30; + LUMINANCE_WEIGHT_G = 0.59; + LUMINANCE_WEIGHT_B = 0.11; + + ALPHA_WEIGHT_R = 0.30; + ALPHA_WEIGHT_G = 0.59; + ALPHA_WEIGHT_B = 0.11; + + DEPTH_WEIGHT_R = 0.333333333; + DEPTH_WEIGHT_G = 0.333333333; + DEPTH_WEIGHT_B = 0.333333333; + + UNSUPPORTED_FORMAT = 'the given format isn''t supported by this function.'; + + FORMAT_DESCRIPTOR_CLASSES: array[TglBitmapFormat] of TFormatDescriptorClass = ( + TfdEmpty, + + TfdAlpha4, + TfdAlpha8, + TfdAlpha12, + TfdAlpha16, + + TfdLuminance4, + TfdLuminance8, + TfdLuminance12, + TfdLuminance16, + + TfdLuminance4Alpha4, + TfdLuminance6Alpha2, + TfdLuminance8Alpha8, + TfdLuminance12Alpha4, + TfdLuminance12Alpha12, + TfdLuminance16Alpha16, + + TfdR3G3B2, + TfdRGB4, + TfdR5G6B5, + TfdRGB5, + TfdRGB8, + TfdRGB10, + TfdRGB12, + TfdRGB16, + + TfdRGBA2, + TfdRGBA4, + TfdRGB5A1, + TfdRGBA8, + TfdRGB10A2, + TfdRGBA12, + TfdRGBA16, + + TfdBGR4, + TfdB5G6R5, + TfdBGR5, + TfdBGR8, + TfdBGR10, + TfdBGR12, + TfdBGR16, + + TfdBGRA2, + TfdBGRA4, + TfdBGR5A1, + TfdBGRA8, + TfdBGR10A2, + TfdBGRA12, + TfdBGRA16, + + TfdDepth16, + TfdDepth24, + TfdDepth32, + + TfdS3tcDtx1RGBA, + TfdS3tcDtx3RGBA, + TfdS3tcDtx5RGBA + ); + +var + FormatDescriptorCS: TCriticalSection; + FormatDescriptors: array[TglBitmapFormat] of TFormatDescriptor; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor EglBitmapUnsupportedFormat.Create(const aFormat: TglBitmapFormat); +begin + inherited Create('unsupported format: ' + GetEnumName(TypeInfo(TglBitmapFormat), Integer(aFormat))); +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor EglBitmapUnsupportedFormat.Create(const aMsg: String; const aFormat: TglBitmapFormat); +begin + inherited Create(aMsg + GetEnumName(TypeInfo(TglBitmapFormat), Integer(aFormat))); +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapPosition(X, Y: Integer): TglBitmapPixelPosition; +begin + result.Fields := []; + + if X >= 0 then + result.Fields := result.Fields + [ffX]; + if Y >= 0 then + result.Fields := result.Fields + [ffY]; + + result.X := Max(0, X); + result.Y := Max(0, Y); +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapColorRec(const r, g, b, a: Cardinal): TglBitmapColorRec; +begin + result.r := r; + result.g := g; + result.b := b; + result.a := a; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapColorRecCmp(const r1, r2: TglBitmapColorRec): Boolean; +var + i: Integer; +begin + result := false; + for i := 0 to high(r1.arr) do + if (r1.arr[i] <> r2.arr[i]) then + exit; + result := true; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapShiftRec(const r, g, b, a: Byte): TShiftRec; +begin + result.r := r; + result.g := g; + result.b := b; + result.a := a; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function FormatGetSupportedFiles(const aFormat: TglBitmapFormat): TglBitmapFileTypes; +begin + result := []; + + if (aFormat in [ + //4 bbp + tfLuminance4, + + //8bpp + tfR3G3B2, tfLuminance8, + + //16bpp + tfRGB4, tfRGB5, tfR5G6B5, tfRGB5A1, tfRGBA4, + tfBGR4, tfBGR5, tfB5G6R5, tfBGR5A1, tfBGRA4, + + //24bpp + tfBGR8, tfRGB8, + + //32bpp + tfRGB10, tfRGB10A2, tfRGBA8, + tfBGR10, tfBGR10A2, tfBGRA8]) then + result := result + [ftBMP]; + + if (aFormat in [ + //8 bpp + tfLuminance8, tfAlpha8, + + //16 bpp + tfLuminance16, tfLuminance8Alpha8, + tfRGB5, tfRGB5A1, tfRGBA4, + tfBGR5, tfBGR5A1, tfBGRA4, + + //24 bpp + tfRGB8, tfBGR8, + + //32 bpp + tfRGB10A2, tfRGBA8, tfBGR10A2, tfBGRA8]) then + result := result + [ftTGA]; + + if (aFormat in [ + //8 bpp + tfAlpha8, tfLuminance8, tfLuminance4Alpha4, tfLuminance6Alpha2, + tfR3G3B2, tfRGBA2, tfBGRA2, + + //16 bpp + tfAlpha16, tfLuminance16, tfLuminance8Alpha8, tfLuminance12Alpha4, + tfRGB4, tfR5G6B5, tfRGB5, tfRGBA4, tfRGB5A1, + tfBGR4, tfB5G6R5, tfBGR5, tfBGRA4, tfBGR5A1, + + //24 bpp + tfRGB8, tfBGR8, + + //32 bbp + tfLuminance16Alpha16, + tfRGBA8, tfRGB10A2, + tfBGRA8, tfBGR10A2, + + //compressed + tfS3tcDtx1RGBA, tfS3tcDtx3RGBA, tfS3tcDtx5RGBA]) then + result := result + [ftDDS]; + + {$IFDEF GLB_SUPPORT_PNG_WRITE} + if aFormat in [ + tfAlpha8, tfLuminance8, tfLuminance8Alpha8, + tfRGB8, tfRGBA8, + tfBGR8, tfBGRA8] then + result := result + [ftPNG]; + {$ENDIF} + + {$IFDEF GLB_SUPPORT_JPEG_WRITE} + if aFormat in [tfAlpha8, tfLuminance8, tfRGB8, tfBGR8] then + result := result + [ftJPEG]; + {$ENDIF} +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function IsPowerOfTwo(aNumber: Integer): Boolean; +begin + while (aNumber and 1) = 0 do + aNumber := aNumber shr 1; + result := aNumber = 1; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function GetTopMostBit(aBitSet: QWord): Integer; +begin + result := 0; + while aBitSet > 0 do begin + inc(result); + aBitSet := aBitSet shr 1; + end; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function CountSetBits(aBitSet: QWord): Integer; +begin + result := 0; + while aBitSet > 0 do begin + if (aBitSet and 1) = 1 then + inc(result); + aBitSet := aBitSet shr 1; + end; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function LuminanceWeight(const aPixel: TglBitmapPixelData): Cardinal; +begin + result := Trunc( + LUMINANCE_WEIGHT_R * aPixel.Data.r + + LUMINANCE_WEIGHT_G * aPixel.Data.g + + LUMINANCE_WEIGHT_B * aPixel.Data.b); +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function DepthWeight(const aPixel: TglBitmapPixelData): Cardinal; +begin + result := Trunc( + DEPTH_WEIGHT_R * aPixel.Data.r + + DEPTH_WEIGHT_G * aPixel.Data.g + + DEPTH_WEIGHT_B * aPixel.Data.b); +end; + +{$IFDEF GLB_NATIVE_OGL} +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//OpenGLInitialization/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +var + GL_LibHandle: Pointer = nil; + +function glbGetProcAddress(aProcName: PAnsiChar; aLibHandle: Pointer = nil; const aRaiseOnErr: Boolean = true): Pointer; +begin + if not Assigned(aLibHandle) then + aLibHandle := GL_LibHandle; + +{$IF DEFINED(GLB_WIN)} + result := GetProcAddress({%H-}HMODULE(aLibHandle), aProcName); + if Assigned(result) then + exit; + + if Assigned(wglGetProcAddress) then + result := wglGetProcAddress(aProcName); +{$ELSEIF DEFINED(GLB_LINUX)} + if Assigned(glXGetProcAddress) then begin + result := glXGetProcAddress(aProcName); + if Assigned(result) then + exit; + end; + + if Assigned(glXGetProcAddressARB) then begin + result := glXGetProcAddressARB(aProcName); + if Assigned(result) then + exit; + end; + + result := dlsym(aLibHandle, aProcName); +{$IFEND} + if not Assigned(result) and aRaiseOnErr then + raise EglBitmap.Create('unable to load procedure form library: ' + aProcName); +end; + +{$IFDEF GLB_NATIVE_OGL_DYNAMIC} +var + GLU_LibHandle: Pointer = nil; + OpenGLInitialized: Boolean; + InitOpenGLCS: TCriticalSection; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glbInitOpenGL; + + //////////////////////////////////////////////////////////////////////////////// + function glbLoadLibrary(const aName: PChar): Pointer; + begin + {$IF DEFINED(GLB_WIN)} + result := {%H-}Pointer(LoadLibrary(aName)); + {$ELSEIF DEFINED(GLB_LINUX)} + result := dlopen(Name, RTLD_LAZY); + {$ELSE} + result := nil; + {$IFEND} + end; + + //////////////////////////////////////////////////////////////////////////////// + function glbFreeLibrary(const aLibHandle: Pointer): Boolean; + begin + result := false; + if not Assigned(aLibHandle) then + exit; + + {$IF DEFINED(GLB_WIN)} + Result := FreeLibrary({%H-}HINST(aLibHandle)); + {$ELSEIF DEFINED(GLB_LINUX)} + Result := dlclose(aLibHandle) = 0; + {$IFEND} + end; + +begin + if Assigned(GL_LibHandle) then + glbFreeLibrary(GL_LibHandle); + + if Assigned(GLU_LibHandle) then + glbFreeLibrary(GLU_LibHandle); + + GL_LibHandle := glbLoadLibrary(libopengl); + if not Assigned(GL_LibHandle) then + raise EglBitmap.Create('unable to load library: ' + libopengl); + + GLU_LibHandle := glbLoadLibrary(libglu); + if not Assigned(GLU_LibHandle) then + raise EglBitmap.Create('unable to load library: ' + libglu); + +{$IF DEFINED(GLB_WIN)} + wglGetProcAddress := glbGetProcAddress('wglGetProcAddress'); +{$ELSEIF DEFINED(GLB_LINUX)} + glXGetProcAddress := glbGetProcAddress('glXGetProcAddress'); + glXGetProcAddressARB := glbGetProcAddress('glXGetProcAddressARB'); +{$IFEND} + + glEnable := glbGetProcAddress('glEnable'); + glDisable := glbGetProcAddress('glDisable'); + glGetString := glbGetProcAddress('glGetString'); + glGetIntegerv := glbGetProcAddress('glGetIntegerv'); + glTexParameteri := glbGetProcAddress('glTexParameteri'); + glTexParameteriv := glbGetProcAddress('glTexParameteriv'); + glTexParameterfv := glbGetProcAddress('glTexParameterfv'); + glGetTexParameteriv := glbGetProcAddress('glGetTexParameteriv'); + glGetTexParameterfv := glbGetProcAddress('glGetTexParameterfv'); + glGetTexLevelParameteriv := glbGetProcAddress('glGetTexLevelParameteriv'); + glGetTexLevelParameterfv := glbGetProcAddress('glGetTexLevelParameterfv'); + glTexGeni := glbGetProcAddress('glTexGeni'); + glGenTextures := glbGetProcAddress('glGenTextures'); + glBindTexture := glbGetProcAddress('glBindTexture'); + glDeleteTextures := glbGetProcAddress('glDeleteTextures'); + glAreTexturesResident := glbGetProcAddress('glAreTexturesResident'); + glReadPixels := glbGetProcAddress('glReadPixels'); + glPixelStorei := glbGetProcAddress('glPixelStorei'); + glTexImage1D := glbGetProcAddress('glTexImage1D'); + glTexImage2D := glbGetProcAddress('glTexImage2D'); + glGetTexImage := glbGetProcAddress('glGetTexImage'); + + gluBuild1DMipmaps := glbGetProcAddress('gluBuild1DMipmaps', GLU_LibHandle); + gluBuild2DMipmaps := glbGetProcAddress('gluBuild2DMipmaps', GLU_LibHandle); +end; +{$ENDIF} + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glbReadOpenGLExtensions; +var + Buffer: AnsiString; + MajorVersion, MinorVersion: Integer; + + /////////////////////////////////////////////////////////////////////////////////////////// + procedure TrimVersionString(aBuffer: AnsiString; out aMajor, aMinor: Integer); + var + Separator: Integer; + begin + aMinor := 0; + aMajor := 0; + + Separator := Pos(AnsiString('.'), aBuffer); + if (Separator > 1) and (Separator < Length(aBuffer)) and + (aBuffer[Separator - 1] in ['0'..'9']) and + (aBuffer[Separator + 1] in ['0'..'9']) then begin + + Dec(Separator); + while (Separator > 0) and (aBuffer[Separator] in ['0'..'9']) do + Dec(Separator); + + Delete(aBuffer, 1, Separator); + Separator := Pos(AnsiString('.'), aBuffer) + 1; + + while (Separator <= Length(aBuffer)) and (AnsiChar(aBuffer[Separator]) in ['0'..'9']) do + Inc(Separator); + + Delete(aBuffer, Separator, 255); + Separator := Pos(AnsiString('.'), aBuffer); + + aMajor := StrToInt(Copy(String(aBuffer), 1, Separator - 1)); + aMinor := StrToInt(Copy(String(aBuffer), Separator + 1, 1)); + end; + end; + + /////////////////////////////////////////////////////////////////////////////////////////// + function CheckExtension(const Extension: AnsiString): Boolean; + var + ExtPos: Integer; + begin + ExtPos := Pos(Extension, Buffer); + result := ExtPos > 0; + if result then + result := ((ExtPos + Length(Extension) - 1) = Length(Buffer)) or not (Buffer[ExtPos + Length(Extension)] in ['_', 'A'..'Z', 'a'..'z']); + end; + + /////////////////////////////////////////////////////////////////////////////////////////// + function CheckVersion(const aMajor, aMinor: Integer): Boolean; + begin + result := (MajorVersion > aMajor) or ((MajorVersion = aMajor) and (MinorVersion >= aMinor)); + end; + +begin +{$IFDEF GLB_NATIVE_OGL_DYNAMIC} + InitOpenGLCS.Enter; + try + if not OpenGLInitialized then begin + glbInitOpenGL; + OpenGLInitialized := true; + end; + finally + InitOpenGLCS.Leave; + end; +{$ENDIF} + + // Version + Buffer := glGetString(GL_VERSION); + TrimVersionString(Buffer, MajorVersion, MinorVersion); + + GL_VERSION_1_2 := CheckVersion(1, 2); + GL_VERSION_1_3 := CheckVersion(1, 3); + GL_VERSION_1_4 := CheckVersion(1, 4); + GL_VERSION_2_0 := CheckVersion(2, 0); + GL_VERSION_3_3 := CheckVersion(3, 3); + + // Extensions + Buffer := glGetString(GL_EXTENSIONS); + GL_ARB_texture_border_clamp := CheckExtension('GL_ARB_texture_border_clamp'); + GL_ARB_texture_non_power_of_two := CheckExtension('GL_ARB_texture_non_power_of_two'); + GL_ARB_texture_swizzle := CheckExtension('GL_ARB_texture_swizzle'); + GL_ARB_texture_cube_map := CheckExtension('GL_ARB_texture_cube_map'); + GL_ARB_texture_rectangle := CheckExtension('GL_ARB_texture_rectangle'); + GL_ARB_texture_mirrored_repeat := CheckExtension('GL_ARB_texture_mirrored_repeat'); + GL_EXT_texture_edge_clamp := CheckExtension('GL_EXT_texture_edge_clamp'); + GL_EXT_texture_filter_anisotropic := CheckExtension('GL_EXT_texture_filter_anisotropic'); + GL_EXT_texture_rectangle := CheckExtension('GL_EXT_texture_rectangle'); + GL_EXT_texture_swizzle := CheckExtension('GL_EXT_texture_swizzle'); + GL_EXT_texture_cube_map := CheckExtension('GL_EXT_texture_cube_map'); + GL_NV_texture_rectangle := CheckExtension('GL_NV_texture_rectangle'); + GL_IBM_texture_mirrored_repeat := CheckExtension('GL_IBM_texture_mirrored_repeat'); + GL_SGIS_generate_mipmap := CheckExtension('GL_SGIS_generate_mipmap'); + + if GL_VERSION_1_3 then begin + glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1D'); + glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2D'); + glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImage'); + end else begin + glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1DARB', nil, false); + glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2DARB', nil, false); + glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImageARB', nil, false); + end; +end; +{$ENDIF} + +{$IFDEF GLB_SDL_IMAGE} +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// SDL Image Helper ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapRWseek(context: PSDL_RWops; offset: Integer; whence: Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Seek(offset, whence); +end; + +function glBitmapRWread(context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Read(Ptr^, size * maxnum); +end; + +function glBitmapRWwrite(context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer): Integer; cdecl; +begin + result := TStream(context^.unknown.data1).Write(Ptr^, size * num); +end; + +function glBitmapRWclose(context: PSDL_RWops): Integer; cdecl; +begin + result := 0; +end; + +function glBitmapCreateRWops(Stream: TStream): PSDL_RWops; +begin + result := SDL_AllocRW; + + if result = nil then + raise EglBitmapException.Create('glBitmapCreateRWops - SDL_AllocRW failed.'); + + result^.seek := glBitmapRWseek; + result^.read := glBitmapRWread; + result^.write := glBitmapRWwrite; + result^.close := glBitmapRWclose; + result^.unknown.data1 := Stream; +end; +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean); +begin + glBitmapDefaultDeleteTextureOnFree := aDeleteTextureOnFree; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFreeDataAfterGenTexture(const aFreeData: Boolean); +begin + glBitmapDefaultFreeDataAfterGenTextures := aFreeData; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultMipmap(const aValue: TglBitmapMipMap); +begin + glBitmapDefaultMipmap := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFormat(const aFormat: TglBitmapFormat); +begin + glBitmapDefaultFormat := aFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFilter(const aMin, aMag: Integer); +begin + glBitmapDefaultFilterMin := aMin; + glBitmapDefaultFilterMag := aMag; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultWrap(const S: Cardinal = GL_CLAMP_TO_EDGE; const T: Cardinal = GL_CLAMP_TO_EDGE; const R: Cardinal = GL_CLAMP_TO_EDGE); +begin + glBitmapDefaultWrapS := S; + glBitmapDefaultWrapT := T; + glBitmapDefaultWrapR := R; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultSwizzle(const r: GLenum = GL_RED; g: GLenum = GL_GREEN; b: GLenum = GL_BLUE; a: GLenum = GL_ALPHA); +begin + glDefaultSwizzle[0] := r; + glDefaultSwizzle[1] := g; + glDefaultSwizzle[2] := b; + glDefaultSwizzle[3] := a; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultDeleteTextureOnFree: Boolean; +begin + result := glBitmapDefaultDeleteTextureOnFree; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; +begin + result := glBitmapDefaultFreeDataAfterGenTextures; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultMipmap: TglBitmapMipMap; +begin + result := glBitmapDefaultMipmap; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultFormat: TglBitmapFormat; +begin + result := glBitmapDefaultFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultFilter(var aMin, aMag: GLenum); +begin + aMin := glBitmapDefaultFilterMin; + aMag := glBitmapDefaultFilterMag; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultTextureWrap(var S, T, R: GLenum); +begin + S := glBitmapDefaultWrapS; + T := glBitmapDefaultWrapT; + R := glBitmapDefaultWrapR; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultSwizzle(var r, g, b, a: GLenum); +begin + r := glDefaultSwizzle[0]; + g := glDefaultSwizzle[1]; + b := glDefaultSwizzle[2]; + a := glDefaultSwizzle[3]; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetRedMask: QWord; +begin + result := fRange.r shl fShift.r; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetGreenMask: QWord; +begin + result := fRange.g shl fShift.g; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetBlueMask: QWord; +begin + result := fRange.b shl fShift.b; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetAlphaMask: QWord; +begin + result := fRange.a shl fShift.a; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetIsCompressed: Boolean; +begin + result := fIsCompressed; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetHasRed: Boolean; +begin + result := (fRange.r > 0); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetHasGreen: Boolean; +begin + result := (fRange.g > 0); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetHasBlue: Boolean; +begin + result := (fRange.b > 0); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetHasAlpha: Boolean; +begin + result := (fRange.a > 0); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetglFormat: GLenum; +begin + result := fglFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetglInternalFormat: GLenum; +begin + result := fglInternalFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetglDataFormat: GLenum; +begin + result := fglDataFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetComponents: Integer; +var + i: Integer; +begin + result := 0; + for i := 0 to 3 do + if (fRange.arr[i] > 0) then + inc(result); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetSize(const aSize: TglBitmapPixelPosition): Integer; +var + w, h: Integer; +begin + if (ffX in aSize.Fields) or (ffY in aSize.Fields) then begin + w := Max(1, aSize.X); + h := Max(1, aSize.Y); + result := GetSize(w, h); + end else + result := 0; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetSize(const aWidth, aHeight: Integer): Integer; +begin + result := 0; + if (aWidth <= 0) or (aHeight <= 0) then + exit; + result := Ceil(aWidth * aHeight * fPixelSize); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.CreateMappingData: Pointer; +begin + result := nil; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TFormatDescriptor.FreeMappingData(var aMappingData: Pointer); +begin + //DUMMY +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.IsEmpty: Boolean; +begin + result := (fFormat = tfEmpty); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: QWord): Boolean; +begin + result := false; + if (aRedMask = 0) and (aGreenMask = 0) and (aBlueMask = 0) and (aAlphaMask = 0) then + raise EglBitmap.Create('FormatCheckFormat - All Masks are 0'); + if (aRedMask <> RedMask) then + exit; + if (aGreenMask <> GreenMask) then + exit; + if (aBlueMask <> BlueMask) then + exit; + if (aAlphaMask <> AlphaMask) then + exit; + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TFormatDescriptor.PreparePixel(out aPixel: TglBitmapPixelData); +begin + FillChar(aPixel{%H-}, SizeOf(aPixel), 0); + aPixel.Data := fRange; + aPixel.Range := fRange; + aPixel.Format := fFormat; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TFormatDescriptor.Create; +begin + inherited Create; + + fFormat := tfEmpty; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfEmpty; + fRGBInverted := tfEmpty; + fUncompressed := tfEmpty; + fPixelSize := 0.0; + fIsCompressed := false; + + fglFormat := 0; + fglInternalFormat := 0; + fglDataFormat := 0; + + FillChar(fRange, 0, SizeOf(fRange)); + FillChar(fShift, 0, SizeOf(fShift)); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdAlpha_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlpha_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := aPixel.Data.a; + inc(aData); +end; + +procedure TfdAlpha_UB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := 0; + aPixel.Data.g := 0; + aPixel.Data.b := 0; + aPixel.Data.a := aData^; + inc(aData); +end; + +constructor TfdAlpha_UB1.Create; +begin + inherited Create; + fPixelSize := 1.0; + fRange.a := $FF; + fglFormat := GL_ALPHA; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminance_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminance_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := LuminanceWeight(aPixel); + inc(aData); +end; + +procedure TfdLuminance_UB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := aData^; + aPixel.Data.g := aData^; + aPixel.Data.b := aData^; + aPixel.Data.a := 0; + inc(aData); +end; + +constructor TfdLuminance_UB1.Create; +begin + inherited Create; + fPixelSize := 1.0; + fRange.r := $FF; + fRange.g := $FF; + fRange.b := $FF; + fglFormat := GL_LUMINANCE; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversal_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + i: Integer; +begin + aData^ := 0; + for i := 0 to 3 do + if (fRange.arr[i] > 0) then + aData^ := aData^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]); + inc(aData); +end; + +procedure TfdUniversal_UB1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + i: Integer; +begin + for i := 0 to 3 do + aPixel.Data.arr[i] := (aData^ shr fShift.arr[i]) and fRange.arr[i]; + inc(aData); +end; + +constructor TfdUniversal_UB1.Create; +begin + inherited Create; + fPixelSize := 1.0; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminanceAlpha_UB2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceAlpha_UB2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + aData^ := aPixel.Data.a; + inc(aData); +end; + +procedure TfdLuminanceAlpha_UB2.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := aData^; + inc(aData); +end; + +constructor TfdLuminanceAlpha_UB2.Create; +begin + inherited Create; + fPixelSize := 2.0; + fRange.a := $FF; + fShift.a := 8; + fglFormat := GL_LUMINANCE_ALPHA; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGB_UB3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdRGB_UB3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := aPixel.Data.r; + inc(aData); + aData^ := aPixel.Data.g; + inc(aData); + aData^ := aPixel.Data.b; + inc(aData); +end; + +procedure TfdRGB_UB3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := aData^; + inc(aData); + aPixel.Data.g := aData^; + inc(aData); + aPixel.Data.b := aData^; + inc(aData); + aPixel.Data.a := 0; +end; + +constructor TfdRGB_UB3.Create; +begin + inherited Create; + fPixelSize := 3.0; + fRange.r := $FF; + fRange.g := $FF; + fRange.b := $FF; + fShift.r := 0; + fShift.g := 8; + fShift.b := 16; + fglFormat := GL_RGB; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGR_UB3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGR_UB3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + aData^ := aPixel.Data.b; + inc(aData); + aData^ := aPixel.Data.g; + inc(aData); + aData^ := aPixel.Data.r; + inc(aData); +end; + +procedure TfdBGR_UB3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.b := aData^; + inc(aData); + aPixel.Data.g := aData^; + inc(aData); + aPixel.Data.r := aData^; + inc(aData); + aPixel.Data.a := 0; +end; + +constructor TfdBGR_UB3.Create; +begin + fPixelSize := 3.0; + fRange.r := $FF; + fRange.g := $FF; + fRange.b := $FF; + fShift.r := 16; + fShift.g := 8; + fShift.b := 0; + fglFormat := GL_BGR; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TdfRGBA_UB4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdRGBA_UB4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + aData^ := aPixel.Data.a; + inc(aData); +end; + +procedure TfdRGBA_UB4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := aData^; + inc(aData); +end; + +constructor TfdRGBA_UB4.Create; +begin + inherited Create; + fPixelSize := 4.0; + fRange.a := $FF; + fShift.a := 24; + fglFormat := GL_RGBA; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGRA_UB4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRA_UB4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + aData^ := aPixel.Data.a; + inc(aData); +end; + +procedure TfdBGRA_UB4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := aData^; + inc(aData); +end; + +constructor TfdBGRA_UB4.Create; +begin + inherited Create; + fPixelSize := 4.0; + fRange.a := $FF; + fShift.a := 24; + fglFormat := GL_BGRA; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdAlpha_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlpha_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); +end; + +procedure TfdAlpha_US1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := 0; + aPixel.Data.g := 0; + aPixel.Data.b := 0; + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; + +constructor TfdAlpha_US1.Create; +begin + inherited Create; + fPixelSize := 2.0; + fRange.a := $FFFF; + fglFormat := GL_ALPHA; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminance_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminance_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := LuminanceWeight(aPixel); + inc(aData, 2); +end; + +procedure TfdLuminance_US1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := PWord(aData)^; + aPixel.Data.g := PWord(aData)^; + aPixel.Data.b := PWord(aData)^; + aPixel.Data.a := 0; + inc(aData, 2); +end; + +constructor TfdLuminance_US1.Create; +begin + inherited Create; + fPixelSize := 2.0; + fRange.r := $FFFF; + fRange.g := $FFFF; + fRange.b := $FFFF; + fglFormat := GL_LUMINANCE; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversal_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + i: Integer; +begin + PWord(aData)^ := 0; + for i := 0 to 3 do + if (fRange.arr[i] > 0) then + PWord(aData)^ := PWord(aData)^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]); + inc(aData, 2); +end; + +procedure TfdUniversal_US1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + i: Integer; +begin + for i := 0 to 3 do + aPixel.Data.arr[i] := (PWord(aData)^ shr fShift.arr[i]) and fRange.arr[i]; + inc(aData, 2); +end; + +constructor TfdUniversal_US1.Create; +begin + inherited Create; + fPixelSize := 2.0; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdDepth_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdDepth_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := DepthWeight(aPixel); + inc(aData, 2); +end; + +procedure TfdDepth_US1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := PWord(aData)^; + aPixel.Data.g := PWord(aData)^; + aPixel.Data.b := PWord(aData)^; + aPixel.Data.a := 0; + inc(aData, 2); +end; + +constructor TfdDepth_US1.Create; +begin + inherited Create; + fPixelSize := 2.0; + fRange.r := $FFFF; + fRange.g := $FFFF; + fRange.b := $FFFF; + fglFormat := GL_DEPTH_COMPONENT; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminanceAlpha_US2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceAlpha_US2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); +end; + +procedure TfdLuminanceAlpha_US2.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; + +constructor TfdLuminanceAlpha_US2.Create; +begin + inherited Create; + fPixelSize := 4.0; + fRange.a := $FFFF; + fShift.a := 16; + fglFormat := GL_LUMINANCE_ALPHA; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGB_US3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdRGB_US3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := aPixel.Data.r; + inc(aData, 2); + PWord(aData)^ := aPixel.Data.g; + inc(aData, 2); + PWord(aData)^ := aPixel.Data.b; + inc(aData, 2); +end; + +procedure TfdRGB_US3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := PWord(aData)^; + inc(aData, 2); + aPixel.Data.g := PWord(aData)^; + inc(aData, 2); + aPixel.Data.b := PWord(aData)^; + inc(aData, 2); + aPixel.Data.a := 0; +end; + +constructor TfdRGB_US3.Create; +begin + inherited Create; + fPixelSize := 6.0; + fRange.r := $FFFF; + fRange.g := $FFFF; + fRange.b := $FFFF; + fShift.r := 0; + fShift.g := 16; + fShift.b := 32; + fglFormat := GL_RGB; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGR_US3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGR_US3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PWord(aData)^ := aPixel.Data.b; + inc(aData, 2); + PWord(aData)^ := aPixel.Data.g; + inc(aData, 2); + PWord(aData)^ := aPixel.Data.r; + inc(aData, 2); +end; + +procedure TfdBGR_US3.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.b := PWord(aData)^; + inc(aData, 2); + aPixel.Data.g := PWord(aData)^; + inc(aData, 2); + aPixel.Data.r := PWord(aData)^; + inc(aData, 2); + aPixel.Data.a := 0; +end; + +constructor TfdBGR_US3.Create; +begin + inherited Create; + fPixelSize := 6.0; + fRange.r := $FFFF; + fRange.g := $FFFF; + fRange.b := $FFFF; + fShift.r := 32; + fShift.g := 16; + fShift.b := 0; + fglFormat := GL_BGR; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGBA_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdRGBA_US4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); +end; + +procedure TfdRGBA_US4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; + +constructor TfdRGBA_US4.Create; +begin + inherited Create; + fPixelSize := 8.0; + fRange.a := $FFFF; + fShift.a := 48; + fglFormat := GL_RGBA; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGRA_US4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRA_US4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); +end; + +procedure TfdBGRA_US4.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; + +constructor TfdBGRA_US4.Create; +begin + inherited Create; + fPixelSize := 8.0; + fRange.a := $FFFF; + fShift.a := 48; + fglFormat := GL_BGRA; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversal_UI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + i: Integer; +begin + PCardinal(aData)^ := 0; + for i := 0 to 3 do + if (fRange.arr[i] > 0) then + PCardinal(aData)^ := PCardinal(aData)^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]); + inc(aData, 4); +end; + +procedure TfdUniversal_UI1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + i: Integer; +begin + for i := 0 to 3 do + aPixel.Data.arr[i] := (PCardinal(aData)^ shr fShift.arr[i]) and fRange.arr[i]; + inc(aData, 2); +end; + +constructor TfdUniversal_UI1.Create; +begin + inherited Create; + fPixelSize := 4.0; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdDepth_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdDepth_UI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PCardinal(aData)^ := DepthWeight(aPixel); + inc(aData, 4); +end; + +procedure TfdDepth_UI1.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := PCardinal(aData)^; + aPixel.Data.g := PCardinal(aData)^; + aPixel.Data.b := PCardinal(aData)^; + aPixel.Data.a := 0; + inc(aData, 4); +end; + +constructor TfdDepth_UI1.Create; +begin + inherited Create; + fPixelSize := 4.0; + fRange.r := $FFFFFFFF; + fRange.g := $FFFFFFFF; + fRange.b := $FFFFFFFF; + fglFormat := GL_DEPTH_COMPONENT; + fglDataFormat := GL_UNSIGNED_INT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TfdAlpha4.Create; +begin + inherited Create; + fFormat := tfAlpha4; + fWithAlpha := tfAlpha4; + fglInternalFormat := GL_ALPHA4; +end; + +constructor TfdAlpha8.Create; +begin + inherited Create; + fFormat := tfAlpha8; + fWithAlpha := tfAlpha8; + fglInternalFormat := GL_ALPHA8; +end; + +constructor TfdAlpha12.Create; +begin + inherited Create; + fFormat := tfAlpha12; + fWithAlpha := tfAlpha12; + fglInternalFormat := GL_ALPHA12; +end; + +constructor TfdAlpha16.Create; +begin + inherited Create; + fFormat := tfAlpha16; + fWithAlpha := tfAlpha16; + fglInternalFormat := GL_ALPHA16; +end; + +constructor TfdLuminance4.Create; +begin + inherited Create; + fFormat := tfLuminance4; + fWithAlpha := tfLuminance4Alpha4; + fWithoutAlpha := tfLuminance4; + fglInternalFormat := GL_LUMINANCE4; +end; + +constructor TfdLuminance8.Create; +begin + inherited Create; + fFormat := tfLuminance8; + fWithAlpha := tfLuminance8Alpha8; + fWithoutAlpha := tfLuminance8; + fglInternalFormat := GL_LUMINANCE8; +end; + +constructor TfdLuminance12.Create; +begin + inherited Create; + fFormat := tfLuminance12; + fWithAlpha := tfLuminance12Alpha12; + fWithoutAlpha := tfLuminance12; + fglInternalFormat := GL_LUMINANCE12; +end; + +constructor TfdLuminance16.Create; +begin + inherited Create; + fFormat := tfLuminance16; + fWithAlpha := tfLuminance16Alpha16; + fWithoutAlpha := tfLuminance16; + fglInternalFormat := GL_LUMINANCE16; +end; + +constructor TfdLuminance4Alpha4.Create; +begin + inherited Create; + fFormat := tfLuminance4Alpha4; + fWithAlpha := tfLuminance4Alpha4; + fWithoutAlpha := tfLuminance4; + fglInternalFormat := GL_LUMINANCE4_ALPHA4; +end; + +constructor TfdLuminance6Alpha2.Create; +begin + inherited Create; + fFormat := tfLuminance6Alpha2; + fWithAlpha := tfLuminance6Alpha2; + fWithoutAlpha := tfLuminance8; + fglInternalFormat := GL_LUMINANCE6_ALPHA2; +end; + +constructor TfdLuminance8Alpha8.Create; +begin + inherited Create; + fFormat := tfLuminance8Alpha8; + fWithAlpha := tfLuminance8Alpha8; + fWithoutAlpha := tfLuminance8; + fglInternalFormat := GL_LUMINANCE8_ALPHA8; +end; + +constructor TfdLuminance12Alpha4.Create; +begin + inherited Create; + fFormat := tfLuminance12Alpha4; + fWithAlpha := tfLuminance12Alpha4; + fWithoutAlpha := tfLuminance12; + fglInternalFormat := GL_LUMINANCE12_ALPHA4; +end; + +constructor TfdLuminance12Alpha12.Create; +begin + inherited Create; + fFormat := tfLuminance12Alpha12; + fWithAlpha := tfLuminance12Alpha12; + fWithoutAlpha := tfLuminance12; + fglInternalFormat := GL_LUMINANCE12_ALPHA12; +end; + +constructor TfdLuminance16Alpha16.Create; +begin + inherited Create; + fFormat := tfLuminance16Alpha16; + fWithAlpha := tfLuminance16Alpha16; + fWithoutAlpha := tfLuminance16; + fglInternalFormat := GL_LUMINANCE16_ALPHA16; +end; + +constructor TfdR3G3B2.Create; +begin + inherited Create; + fFormat := tfR3G3B2; + fWithAlpha := tfRGBA2; + fWithoutAlpha := tfR3G3B2; + fRange.r := $7; + fRange.g := $7; + fRange.b := $3; + fShift.r := 0; + fShift.g := 3; + fShift.b := 6; + fglFormat := GL_RGB; + fglInternalFormat := GL_R3_G3_B2; + fglDataFormat := GL_UNSIGNED_BYTE_2_3_3_REV; +end; + +constructor TfdRGB4.Create; +begin + inherited Create; + fFormat := tfRGB4; + fWithAlpha := tfRGBA4; + fWithoutAlpha := tfRGB4; + fRGBInverted := tfBGR4; + fRange.r := $F; + fRange.g := $F; + fRange.b := $F; + fShift.r := 0; + fShift.g := 4; + fShift.b := 8; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; +end; + +constructor TfdR5G6B5.Create; +begin + inherited Create; + fFormat := tfR5G6B5; + fWithAlpha := tfRGBA4; + fWithoutAlpha := tfR5G6B5; + fRGBInverted := tfB5G6R5; + fRange.r := $1F; + fRange.g := $3F; + fRange.b := $1F; + fShift.r := 0; + fShift.g := 5; + fShift.b := 11; + fglFormat := GL_RGB; + fglInternalFormat := GL_RGB565; + fglDataFormat := GL_UNSIGNED_SHORT_5_6_5_REV; +end; + +constructor TfdRGB5.Create; +begin + inherited Create; + fFormat := tfRGB5; + fWithAlpha := tfRGB5A1; + fWithoutAlpha := tfRGB5; + fRGBInverted := tfBGR5; + fRange.r := $1F; + fRange.g := $1F; + fRange.b := $1F; + fShift.r := 0; + fShift.g := 5; + fShift.b := 10; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB5; + fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; +end; + +constructor TfdRGB8.Create; +begin + inherited Create; + fFormat := tfRGB8; + fWithAlpha := tfRGBA8; + fWithoutAlpha := tfRGB8; + fRGBInverted := tfBGR8; + fglInternalFormat := GL_RGB8; +end; + +constructor TfdRGB10.Create; +begin + inherited Create; + fFormat := tfRGB10; + fWithAlpha := tfRGB10A2; + fWithoutAlpha := tfRGB10; + fRGBInverted := tfBGR10; + fRange.r := $3FF; + fRange.g := $3FF; + fRange.b := $3FF; + fShift.r := 0; + fShift.g := 10; + fShift.b := 20; + fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB10; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +end; + +constructor TfdRGB12.Create; +begin + inherited Create; + fFormat := tfRGB12; + fWithAlpha := tfRGBA12; + fWithoutAlpha := tfRGB12; + fRGBInverted := tfBGR12; + fglInternalFormat := GL_RGB12; +end; + +constructor TfdRGB16.Create; +begin + inherited Create; + fFormat := tfRGB16; + fWithAlpha := tfRGBA16; + fWithoutAlpha := tfRGB16; + fRGBInverted := tfBGR16; + fglInternalFormat := GL_RGB16; +end; + +constructor TfdRGBA2.Create; +begin + inherited Create; + fFormat := tfRGBA2; + fWithAlpha := tfRGBA2; + fWithoutAlpha := tfR3G3B2; + fRGBInverted := tfBGRA2; + fglInternalFormat := GL_RGBA2; +end; + +constructor TfdRGBA4.Create; +begin + inherited Create; + fFormat := tfRGBA4; + fWithAlpha := tfRGBA4; + fWithoutAlpha := tfRGB4; + fRGBInverted := tfBGRA4; + fRange.r := $F; + fRange.g := $F; + fRange.b := $F; + fRange.a := $F; + fShift.r := 0; + fShift.g := 4; + fShift.b := 8; + fShift.a := 12; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGBA4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; +end; + +constructor TfdRGB5A1.Create; +begin + inherited Create; + fFormat := tfRGB5A1; + fWithAlpha := tfRGB5A1; + fWithoutAlpha := tfRGB5; + fRGBInverted := tfBGR5A1; + fRange.r := $1F; + fRange.g := $1F; + fRange.b := $1F; + fRange.a := $01; + fShift.r := 0; + fShift.g := 5; + fShift.b := 10; + fShift.a := 15; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGB5_A1; + fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; +end; + +constructor TfdRGBA8.Create; +begin + inherited Create; + fFormat := tfRGBA8; + fWithAlpha := tfRGBA8; + fWithoutAlpha := tfRGB8; + fRGBInverted := tfBGRA8; + fglInternalFormat := GL_RGBA8; +end; + +constructor TfdRGB10A2.Create; +begin + inherited Create; + fFormat := tfRGB10A2; + fWithAlpha := tfRGB10A2; + fWithoutAlpha := tfRGB10; + fRGBInverted := tfBGR10A2; + fRange.r := $3FF; + fRange.g := $3FF; + fRange.b := $3FF; + fRange.a := $003; + fShift.r := 0; + fShift.g := 10; + fShift.b := 20; + fShift.a := 30; + fglFormat := GL_RGBA; + fglInternalFormat := GL_RGB10_A2; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +end; + +constructor TfdRGBA12.Create; +begin + inherited Create; + fFormat := tfRGBA12; + fWithAlpha := tfRGBA12; + fWithoutAlpha := tfRGB12; + fRGBInverted := tfBGRA12; + fglInternalFormat := GL_RGBA12; +end; + +constructor TfdRGBA16.Create; +begin + inherited Create; + fFormat := tfRGBA16; + fWithAlpha := tfRGBA16; + fWithoutAlpha := tfRGB16; + fRGBInverted := tfBGRA16; + fglInternalFormat := GL_RGBA16; +end; + +constructor TfdBGR4.Create; +begin + inherited Create; + fPixelSize := 2.0; + fFormat := tfBGR4; + fWithAlpha := tfBGRA4; + fWithoutAlpha := tfBGR4; + fRGBInverted := tfRGB4; + fRange.r := $F; + fRange.g := $F; + fRange.b := $F; + fRange.a := $0; + fShift.r := 8; + fShift.g := 4; + fShift.b := 0; + fShift.a := 0; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TfdB5G6R5.Create; +begin + inherited Create; + fFormat := tfB5G6R5; + fWithAlpha := tfBGRA4; + fWithoutAlpha := tfB5G6R5; + fRGBInverted := tfR5G6B5; + fRange.r := $1F; + fRange.g := $3F; + fRange.b := $1F; + fShift.r := 11; + fShift.g := 5; + fShift.b := 0; + fglFormat := GL_RGB; //B5G6R5 is only possible as R5G6B5 -> use reverted dataformat + fglInternalFormat := GL_RGB8; + fglDataFormat := GL_UNSIGNED_SHORT_5_6_5; +end; + +constructor TfdBGR5.Create; +begin + inherited Create; + fPixelSize := 2.0; + fFormat := tfBGR5; + fWithAlpha := tfBGR5A1; + fWithoutAlpha := tfBGR5; + fRGBInverted := tfRGB5; + fRange.r := $1F; + fRange.g := $1F; + fRange.b := $1F; + fRange.a := $00; + fShift.r := 10; + fShift.g := 5; + fShift.b := 0; + fShift.a := 0; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB5; + fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; +end; + +constructor TfdBGR8.Create; +begin + inherited Create; + fFormat := tfBGR8; + fWithAlpha := tfBGRA8; + fWithoutAlpha := tfBGR8; + fRGBInverted := tfRGB8; + fglInternalFormat := GL_RGB8; +end; + +constructor TfdBGR10.Create; +begin + inherited Create; + fFormat := tfBGR10; + fWithAlpha := tfBGR10A2; + fWithoutAlpha := tfBGR10; + fRGBInverted := tfRGB10; + fRange.r := $3FF; + fRange.g := $3FF; + fRange.b := $3FF; + fRange.a := $000; + fShift.r := 20; + fShift.g := 10; + fShift.b := 0; + fShift.a := 0; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB10; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +end; + +constructor TfdBGR12.Create; +begin + inherited Create; + fFormat := tfBGR12; + fWithAlpha := tfBGRA12; + fWithoutAlpha := tfBGR12; + fRGBInverted := tfRGB12; + fglInternalFormat := GL_RGB12; +end; + +constructor TfdBGR16.Create; +begin + inherited Create; + fFormat := tfBGR16; + fWithAlpha := tfBGRA16; + fWithoutAlpha := tfBGR16; + fRGBInverted := tfRGB16; + fglInternalFormat := GL_RGB16; +end; + +constructor TfdBGRA2.Create; +begin + inherited Create; + fFormat := tfBGRA2; + fWithAlpha := tfBGRA4; + fWithoutAlpha := tfBGR4; + fRGBInverted := tfRGBA2; + fglInternalFormat := GL_RGBA2; +end; + +constructor TfdBGRA4.Create; +begin + inherited Create; + fFormat := tfBGRA4; + fWithAlpha := tfBGRA4; + fWithoutAlpha := tfBGR4; + fRGBInverted := tfRGBA4; + fRange.r := $F; + fRange.g := $F; + fRange.b := $F; + fRange.a := $F; + fShift.r := 8; + fShift.g := 4; + fShift.b := 0; + fShift.a := 12; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGBA4; + fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV; +end; + +constructor TfdBGR5A1.Create; +begin + inherited Create; + fFormat := tfBGR5A1; + fWithAlpha := tfBGR5A1; + fWithoutAlpha := tfBGR5; + fRGBInverted := tfRGB5A1; + fRange.r := $1F; + fRange.g := $1F; + fRange.b := $1F; + fRange.a := $01; + fShift.r := 10; + fShift.g := 5; + fShift.b := 0; + fShift.a := 15; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGB5_A1; + fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV; +end; + +constructor TfdBGRA8.Create; +begin + inherited Create; + fFormat := tfBGRA8; + fWithAlpha := tfBGRA8; + fWithoutAlpha := tfBGR8; + fRGBInverted := tfRGBA8; + fglInternalFormat := GL_RGBA8; +end; + +constructor TfdBGR10A2.Create; +begin + inherited Create; + fFormat := tfBGR10A2; + fWithAlpha := tfBGR10A2; + fWithoutAlpha := tfBGR10; + fRGBInverted := tfRGB10A2; + fRange.r := $3FF; + fRange.g := $3FF; + fRange.b := $3FF; + fRange.a := $003; + fShift.r := 20; + fShift.g := 10; + fShift.b := 0; + fShift.a := 30; + fglFormat := GL_BGRA; + fglInternalFormat := GL_RGB10_A2; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +end; + +constructor TfdBGRA12.Create; +begin + inherited Create; + fFormat := tfBGRA12; + fWithAlpha := tfBGRA12; + fWithoutAlpha := tfBGR12; + fRGBInverted := tfRGBA12; + fglInternalFormat := GL_RGBA12; +end; + +constructor TfdBGRA16.Create; +begin + inherited Create; + fFormat := tfBGRA16; + fWithAlpha := tfBGRA16; + fWithoutAlpha := tfBGR16; + fRGBInverted := tfRGBA16; + fglInternalFormat := GL_RGBA16; +end; + +constructor TfdDepth16.Create; +begin + inherited Create; + fFormat := tfDepth16; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfDepth16; + fglInternalFormat := GL_DEPTH_COMPONENT16; +end; + +constructor TfdDepth24.Create; +begin + inherited Create; + fFormat := tfDepth24; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfDepth24; + fglInternalFormat := GL_DEPTH_COMPONENT24; +end; + +constructor TfdDepth32.Create; +begin + inherited Create; + fFormat := tfDepth32; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfDepth32; + fglInternalFormat := GL_DEPTH_COMPONENT32; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdS3tcDtx1RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdS3tcDtx1RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +procedure TfdS3tcDtx1RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +constructor TfdS3tcDtx1RGBA.Create; +begin + inherited Create; + fFormat := tfS3tcDtx1RGBA; + fWithAlpha := tfS3tcDtx1RGBA; + fUncompressed := tfRGB5A1; + fPixelSize := 0.5; + fIsCompressed := true; + fglFormat := GL_COMPRESSED_RGBA; + fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdS3tcDtx3RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdS3tcDtx3RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +procedure TfdS3tcDtx3RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +constructor TfdS3tcDtx3RGBA.Create; +begin + inherited Create; + fFormat := tfS3tcDtx3RGBA; + fWithAlpha := tfS3tcDtx3RGBA; + fUncompressed := tfRGBA8; + fPixelSize := 1.0; + fIsCompressed := true; + fglFormat := GL_COMPRESSED_RGBA; + fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdS3tcDtx5RGBA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdS3tcDtx5RGBA.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +procedure TfdS3tcDtx5RGBA.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + raise EglBitmap.Create('mapping for compressed formats is not supported'); +end; + +constructor TfdS3tcDtx5RGBA.Create; +begin + inherited Create; + fFormat := tfS3tcDtx3RGBA; + fWithAlpha := tfS3tcDtx3RGBA; + fUncompressed := tfRGBA8; + fPixelSize := 1.0; + fIsCompressed := true; + fglFormat := GL_COMPRESSED_RGBA; + fglInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; + fglDataFormat := GL_UNSIGNED_BYTE; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TglBitmapFormatDescriptor.GetByFormat(const aInternalFormat: GLenum): TglBitmapFormatDescriptor; +var + f: TglBitmapFormat; +begin + for f := Low(TglBitmapFormat) to High(TglBitmapFormat) do begin + result := TFormatDescriptor.Get(f); + if (result.glInternalFormat = aInternalFormat) then + exit; + end; + result := TFormatDescriptor.Get(tfEmpty); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Init; +begin + if not Assigned(FormatDescriptorCS) then + FormatDescriptorCS := TCriticalSection.Create; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.Get(const aFormat: TglBitmapFormat): TFormatDescriptor; +begin + FormatDescriptorCS.Enter; + try + result := FormatDescriptors[aFormat]; + if not Assigned(result) then begin + result := FORMAT_DESCRIPTOR_CLASSES[aFormat].Create; + FormatDescriptors[aFormat] := result; + end; + finally + FormatDescriptorCS.Leave; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TFormatDescriptor.GetWithAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor; +begin + result := Get(Get(aFormat).WithAlpha); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Clear; +var + f: TglBitmapFormat; +begin + FormatDescriptorCS.Enter; + try + for f := low(FormatDescriptors) to high(FormatDescriptors) do + FreeAndNil(FormatDescriptors[f]); + finally + FormatDescriptorCS.Leave; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Finalize; +begin + Clear; + FreeAndNil(FormatDescriptorCS); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TBitfieldFormat///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetRedMask(const aValue: QWord); +begin + Update(aValue, fRange.r, fShift.r); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetGreenMask(const aValue: QWord); +begin + Update(aValue, fRange.g, fShift.g); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetBlueMask(const aValue: QWord); +begin + Update(aValue, fRange.b, fShift.b); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetAlphaMask(const aValue: QWord); +begin + Update(aValue, fRange.a, fShift.a); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.Update(aMask: QWord; out aRange: Cardinal; out + aShift: Byte); +begin + aShift := 0; + aRange := 0; + if (aMask = 0) then + exit; + while (aMask > 0) and ((aMask and 1) = 0) do begin + inc(aShift); + aMask := aMask shr 1; + end; + aRange := 1; + while (aMask > 0) do begin + aRange := aRange shl 1; + aMask := aMask shr 1; + end; + dec(aRange); + + fPixelSize := Round(GetTopMostBit(RedMask or GreenMask or BlueMask or AlphaMask) / 8); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + data: QWord; + s: Integer; +begin + data := + ((aPixel.Data.r and fRange.r) shl fShift.r) or + ((aPixel.Data.g and fRange.g) shl fShift.g) or + ((aPixel.Data.b and fRange.b) shl fShift.b) or + ((aPixel.Data.a and fRange.a) shl fShift.a); + s := Round(fPixelSize); + case s of + 1: aData^ := data; + 2: PWord(aData)^ := data; + 4: PCardinal(aData)^ := data; + 8: PQWord(aData)^ := data; + else + raise EglBitmap.CreateFmt('invalid pixel size: %.1f', [fPixelSize]); + end; + inc(aData, s); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + data: QWord; + s, i: Integer; +begin + s := Round(fPixelSize); + case s of + 1: data := aData^; + 2: data := PWord(aData)^; + 4: data := PCardinal(aData)^; + 8: data := PQWord(aData)^; + else + raise EglBitmap.CreateFmt('invalid pixel size: %.1f', [fPixelSize]); + end; + for i := 0 to 3 do + aPixel.Data.arr[i] := (data shr fShift.arr[i]) and fRange.arr[i]; + inc(aData, s); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TColorTableFormat/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.CreateColorTable; +var + i: Integer; +begin + if not (Format in [tfLuminance4, tfLuminance8, tfR3G3B2]) then + raise EglBitmap.Create(UNSUPPORTED_FORMAT); + + if (Format = tfLuminance4) then + SetLength(fColorTable, 16) + else + SetLength(fColorTable, 256); + + case Format of + tfLuminance4: begin + for i := 0 to High(fColorTable) do begin + fColorTable[i].r := 16 * i; + fColorTable[i].g := 16 * i; + fColorTable[i].b := 16 * i; + fColorTable[i].a := 0; + end; + end; + + tfLuminance8: begin + for i := 0 to High(fColorTable) do begin + fColorTable[i].r := i; + fColorTable[i].g := i; + fColorTable[i].b := i; + fColorTable[i].a := 0; + end; + end; + + tfR3G3B2: begin + for i := 0 to High(fColorTable) do begin + fColorTable[i].r := Round(((i shr Shift.r) and Range.r) / Range.r * 255); + fColorTable[i].g := Round(((i shr Shift.g) and Range.g) / Range.g * 255); + fColorTable[i].b := Round(((i shr Shift.b) and Range.b) / Range.b * 255); + fColorTable[i].a := 0; + end; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +var + d: Byte; +begin + if not (Format in [tfLuminance4, tfLuminance8, tfR3G3B2]) then + raise EglBitmap.Create(UNSUPPORTED_FORMAT); + + case Format of + tfLuminance4: begin + if (aMapData = nil) then + aData^ := 0; + d := LuminanceWeight(aPixel) and Range.r; + aData^ := aData^ or (d shl (4 - {%H-}PtrUInt(aMapData))); + inc(PByte(aMapData), 4); + if ({%H-}PtrUInt(aMapData) >= 8) then begin + inc(aData); + aMapData := nil; + end; + end; + + tfLuminance8: begin + aData^ := LuminanceWeight(aPixel) and Range.r; + inc(aData); + end; + + tfR3G3B2: begin + aData^ := Round( + ((aPixel.Data.r and Range.r) shl Shift.r) or + ((aPixel.Data.g and Range.g) shl Shift.g) or + ((aPixel.Data.b and Range.b) shl Shift.b)); + inc(aData); + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.Unmap(var aData: PByte; out aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + idx: QWord; + s: Integer; + bits: Byte; + f: Single; +begin + s := Trunc(fPixelSize); + f := fPixelSize - s; + bits := Round(8 * f); + case s of + 0: idx := (aData^ shr (8 - bits - {%H-}PtrInt(aMapData))) and ((1 shl bits) - 1); + 1: idx := aData^; + 2: idx := PWord(aData)^; + 4: idx := PCardinal(aData)^; + 8: idx := PQWord(aData)^; + else + raise EglBitmap.CreateFmt('invalid pixel size: %.3f', [fPixelSize]); + end; + if (idx >= Length(fColorTable)) then + raise EglBitmap.CreateFmt('invalid color index: %d', [idx]); + with fColorTable[idx] do begin + aPixel.Data.r := r; + aPixel.Data.g := g; + aPixel.Data.b := b; + aPixel.Data.a := a; + end; + inc(PByte(aMapData), bits); + if ({%H-}PtrUInt(aMapData) >= 8) then begin + inc(aData, 1); + dec(PByte(aMapData), 8); + end; + inc(aData, s); +end; + +destructor TbmpColorTableFormat.Destroy; +begin + SetLength(fColorTable, 0); + inherited Destroy; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - Helper////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertPixel(var aPixel: TglBitmapPixelData; const aSourceFD, aDestFD: TFormatDescriptor); +var + i: Integer; +begin + for i := 0 to 3 do begin + if (aSourceFD.Range.arr[i] <> aDestFD.Range.arr[i]) then begin + if (aSourceFD.Range.arr[i] > 0) then + aPixel.Data.arr[i] := Round(aPixel.Data.arr[i] / aSourceFD.Range.arr[i] * aDestFD.Range.arr[i]) + else + aPixel.Data.arr[i] := aDestFD.Range.arr[i]; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertCopyFunc(var aFuncRec: TglBitmapFunctionRec); +begin + with aFuncRec do begin + if (Source.Range.r > 0) then + Dest.Data.r := Source.Data.r; + if (Source.Range.g > 0) then + Dest.Data.g := Source.Data.g; + if (Source.Range.b > 0) then + Dest.Data.b := Source.Data.b; + if (Source.Range.a > 0) then + Dest.Data.a := Source.Data.a; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertCalculateRGBAFunc(var aFuncRec: TglBitmapFunctionRec); +var + i: Integer; +begin + with aFuncRec do begin + for i := 0 to 3 do + if (Source.Range.arr[i] > 0) then + Dest.Data.arr[i] := Round(Dest.Range.arr[i] * Source.Data.arr[i] / Source.Range.arr[i]); + end; +end; + +type + TShiftData = packed record + case Integer of + 0: (r, g, b, a: SmallInt); + 1: (arr: array[0..3] of SmallInt); + end; + PShiftData = ^TShiftData; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertShiftRGBAFunc(var aFuncRec: TglBitmapFunctionRec); +var + i: Integer; +begin + with aFuncRec do + for i := 0 to 3 do + if (Source.Range.arr[i] > 0) then + Dest.Data.arr[i] := Source.Data.arr[i] shr PShiftData(Args)^.arr[i]; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapInvertFunc(var aFuncRec: TglBitmapFunctionRec); +begin + with aFuncRec do begin + Dest.Data := Source.Data; + if ({%H-}PtrUInt(Args) and $1 > 0) then begin + Dest.Data.r := Dest.Data.r xor Dest.Range.r; + Dest.Data.g := Dest.Data.g xor Dest.Range.g; + Dest.Data.b := Dest.Data.b xor Dest.Range.b; + end; + if ({%H-}PtrUInt(Args) and $2 > 0) then begin + Dest.Data.a := Dest.Data.a xor Dest.Range.a; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapFillWithColorFunc(var aFuncRec: TglBitmapFunctionRec); +var + i: Integer; +begin + with aFuncRec do begin + for i := 0 to 3 do + Dest.Data.arr[i] := PglBitmapPixelData(Args)^.Data.arr[i]; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapAlphaFunc(var FuncRec: TglBitmapFunctionRec); +var + Temp: Single; +begin + with FuncRec do begin + if (FuncRec.Args = nil) then begin //source has no alpha + Temp := + Source.Data.r / Source.Range.r * ALPHA_WEIGHT_R + + Source.Data.g / Source.Range.g * ALPHA_WEIGHT_G + + Source.Data.b / Source.Range.b * ALPHA_WEIGHT_B; + Dest.Data.a := Round(Dest.Range.a * Temp); + end else + Dest.Data.a := Round(Source.Data.a / Source.Range.a * Dest.Range.a); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapColorKeyAlphaFunc(var FuncRec: TglBitmapFunctionRec); +type + PglBitmapPixelData = ^TglBitmapPixelData; +begin + with FuncRec do begin + Dest.Data.r := Source.Data.r; + Dest.Data.g := Source.Data.g; + Dest.Data.b := Source.Data.b; + + with PglBitmapPixelData(Args)^ do + if ((Dest.Data.r <= Data.r) and (Dest.Data.r >= Range.r) and + (Dest.Data.g <= Data.g) and (Dest.Data.g >= Range.g) and + (Dest.Data.b <= Data.b) and (Dest.Data.b >= Range.b)) then + Dest.Data.a := 0 + else + Dest.Data.a := Dest.Range.a; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapValueAlphaFunc(var FuncRec: TglBitmapFunctionRec); +begin + with FuncRec do begin + Dest.Data.r := Source.Data.r; + Dest.Data.g := Source.Data.g; + Dest.Data.b := Source.Data.b; + Dest.Data.a := PCardinal(Args)^; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure SwapRGB(aData: PByte; aWidth: Integer; const aHasAlpha: Boolean); +type + PRGBPix = ^TRGBPix; + TRGBPix = array [0..2] of byte; +var + Temp: Byte; +begin + while aWidth > 0 do begin + Temp := PRGBPix(aData)^[0]; + PRGBPix(aData)^[0] := PRGBPix(aData)^[2]; + PRGBPix(aData)^[2] := Temp; + + if aHasAlpha then + Inc(aData, 4) + else + Inc(aData, 3); + dec(aWidth); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PROTECTED/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetFormatDesc: TglBitmapFormatDescriptor; +begin + result := TFormatDescriptor.Get(Format); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetWidth: Integer; +begin + if (ffX in fDimension.Fields) then + result := fDimension.X + else + result := -1; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetHeight: Integer; +begin + if (ffY in fDimension.Fields) then + result := fDimension.Y + else + result := -1; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetFileWidth: Integer; +begin + result := Max(1, Width); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetFileHeight: Integer; +begin + result := Max(1, Height); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetCustomData(const aValue: Pointer); +begin + if fCustomData = aValue then + exit; + fCustomData := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetCustomName(const aValue: String); +begin + if fCustomName = aValue then + exit; + fCustomName := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetCustomNameW(const aValue: WideString); +begin + if fCustomNameW = aValue then + exit; + fCustomNameW := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetFreeDataOnDestroy(const aValue: Boolean); +begin + if fFreeDataOnDestroy = aValue then + exit; + fFreeDataOnDestroy := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetDeleteTextureOnFree(const aValue: Boolean); +begin + if fDeleteTextureOnFree = aValue then + exit; + fDeleteTextureOnFree := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetFormat(const aValue: TglBitmapFormat); +begin + if fFormat = aValue then + exit; + if TFormatDescriptor.Get(Format).PixelSize <> TFormatDescriptor.Get(aValue).PixelSize then + raise EglBitmapUnsupportedFormat.Create(Format); + SetDataPointer(fData, aValue, Width, Height); //be careful, Data could be freed by this method +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetFreeDataAfterGenTexture(const aValue: Boolean); +begin + if fFreeDataAfterGenTexture = aValue then + exit; + fFreeDataAfterGenTexture := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetID(const aValue: Cardinal); +begin + if fID = aValue then + exit; + fID := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetMipMap(const aValue: TglBitmapMipMap); +begin + if fMipMap = aValue then + exit; + fMipMap := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetTarget(const aValue: Cardinal); +begin + if fTarget = aValue then + exit; + fTarget := aValue; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetAnisotropic(const aValue: Integer); +var + MaxAnisotropic: Integer; +begin + fAnisotropic := aValue; + if (ID > 0) then begin + if GL_EXT_texture_filter_anisotropic then begin + if fAnisotropic > 0 then begin + Bind(false); + glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, @MaxAnisotropic); + if aValue > MaxAnisotropic then + fAnisotropic := MaxAnisotropic; + glTexParameteri(Target, GL_TEXTURE_MAX_ANISOTROPY_EXT, fAnisotropic); + end; + end else begin + fAnisotropic := 0; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.CreateID; +begin + if (ID <> 0) then + glDeleteTextures(1, @fID); + glGenTextures(1, @fID); + Bind(false); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetupParameters(out aBuildWithGlu: Boolean); +begin + // Set Up Parameters + SetWrap(fWrapS, fWrapT, fWrapR); + SetFilter(fFilterMin, fFilterMag); + SetAnisotropic(fAnisotropic); + SetBorderColor(fBorderColor[0], fBorderColor[1], fBorderColor[2], fBorderColor[3]); + + if (GL_ARB_texture_swizzle or GL_EXT_texture_swizzle or GL_VERSION_3_3) then + SetSwizzle(fSwizzle[0], fSwizzle[1], fSwizzle[2], fSwizzle[3]); + + // Mip Maps Generation Mode + aBuildWithGlu := false; + if (MipMap = mmMipmap) then begin + if (GL_VERSION_1_4 or GL_SGIS_generate_mipmap) then + glTexParameteri(Target, GL_GENERATE_MIPMAP, GL_TRUE) + else + aBuildWithGlu := true; + end else if (MipMap = mmMipmapGlu) then + aBuildWithGlu := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer; const aHeight: Integer); +var + s: Single; +begin + if (Data <> aData) then begin + if (Assigned(Data)) then + FreeMem(Data); + fData := aData; + end; + + if not Assigned(fData) then begin + fPixelSize := 0; + fRowSize := 0; + end else begin + FillChar(fDimension, SizeOf(fDimension), 0); + if aWidth <> -1 then begin + fDimension.Fields := fDimension.Fields + [ffX]; + fDimension.X := aWidth; + end; + + if aHeight <> -1 then begin + fDimension.Fields := fDimension.Fields + [ffY]; + fDimension.Y := aHeight; + end; + + s := TFormatDescriptor.Get(aFormat).PixelSize; + fFormat := aFormat; + fPixelSize := Ceil(s); + fRowSize := Ceil(s * aWidth); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.FlipHorz: Boolean; +begin + result := false; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.FlipVert: Boolean; +begin + result := false; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PUBLIC////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.AfterConstruction; +begin + inherited AfterConstruction; + + fID := 0; + fTarget := 0; + fIsResident := false; + + fMipMap := glBitmapDefaultMipmap; + fFreeDataAfterGenTexture := glBitmapGetDefaultFreeDataAfterGenTexture; + fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; + + glBitmapGetDefaultFilter (fFilterMin, fFilterMag); + glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); + glBitmapGetDefaultSwizzle (fSwizzle[0], fSwizzle[1], fSwizzle[2], fSwizzle[3]); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.BeforeDestruction; +var + NewData: PByte; +begin + if fFreeDataOnDestroy then begin + NewData := nil; + SetDataPointer(NewData, tfEmpty); //be careful, Data could be freed by this method + end; + if (fID > 0) and fDeleteTextureOnFree then + glDeleteTextures(1, @fID); + inherited BeforeDestruction; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.PrepareResType(var aResource: String; var aResType: PChar); +var + TempPos: Integer; +begin + if not Assigned(aResType) then begin + TempPos := Pos('.', aResource); + aResType := PChar(UpperCase(Copy(aResource, TempPos + 1, Length(aResource) - TempPos))); + aResource := UpperCase(Copy(aResource, 0, TempPos -1)); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromFile(const aFilename: String); +var + fs: TFileStream; +begin + if not FileExists(aFilename) then + raise EglBitmap.Create('file does not exist: ' + aFilename); + fFilename := aFilename; + fs := TFileStream.Create(fFilename, fmOpenRead); + try + fs.Position := 0; + LoadFromStream(fs); + finally + fs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromStream(const aStream: TStream); +begin + {$IFDEF GLB_SUPPORT_PNG_READ} + if not LoadPNG(aStream) then + {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_READ} + if not LoadJPEG(aStream) then + {$ENDIF} + if not LoadDDS(aStream) then + if not LoadTGA(aStream) then + if not LoadBMP(aStream) then + raise EglBitmap.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromFunc(const aSize: TglBitmapPixelPosition; const aFunc: TglBitmapFunction; + const aFormat: TglBitmapFormat; const aArgs: Pointer); +var + tmpData: PByte; + size: Integer; +begin + size := TFormatDescriptor.Get(aFormat).GetSize(aSize); + GetMem(tmpData, size); + try + FillChar(tmpData^, size, #$FF); + SetDataPointer(tmpData, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method + except + if Assigned(tmpData) then + FreeMem(tmpData); + raise; + end; + AddFunc(Self, aFunc, false, aFormat, aArgs); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar); +var + rs: TResourceStream; +begin + PrepareResType(aResource, aResType); + rs := TResourceStream.Create(aInstance, aResource, aResType); + try + LoadFromStream(rs); + finally + rs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); +var + rs: TResourceStream; +begin + rs := TResourceStream.CreateFromID(aInstance, aResourceID, aResType); + try + LoadFromStream(rs); + finally + rs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType); +var + fs: TFileStream; +begin + fs := TFileStream.Create(aFileName, fmCreate); + try + fs.Position := 0; + SaveToStream(fs, aFileType); + finally + fs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); +begin + case aFileType of + {$IFDEF GLB_SUPPORT_PNG_WRITE} + ftPNG: SavePNG(aStream); + {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_WRITE} + ftJPEG: SaveJPEG(aStream); + {$ENDIF} + ftDDS: SaveDDS(aStream); + ftTGA: SaveTGA(aStream); + ftBMP: SaveBMP(aStream); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddFunc(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: Pointer): Boolean; +begin + result := AddFunc(Self, aFunc, aCreateTemp, Format, aArgs); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddFunc(const aSource: TglBitmap; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; + const aFormat: TglBitmapFormat; const aArgs: Pointer): Boolean; +var + DestData, TmpData, SourceData: pByte; + TempHeight, TempWidth: Integer; + SourceFD, DestFD: TFormatDescriptor; + SourceMD, DestMD: Pointer; + + FuncRec: TglBitmapFunctionRec; +begin + Assert(Assigned(Data)); + Assert(Assigned(aSource)); + Assert(Assigned(aSource.Data)); + + result := false; + if Assigned(aSource.Data) and ((aSource.Height > 0) or (aSource.Width > 0)) then begin + SourceFD := TFormatDescriptor.Get(aSource.Format); + DestFD := TFormatDescriptor.Get(aFormat); + + if (SourceFD.IsCompressed) then + raise EglBitmapUnsupportedFormat.Create('compressed formats are not supported: ', SourceFD.Format); + if (DestFD.IsCompressed) then + raise EglBitmapUnsupportedFormat.Create('compressed formats are not supported: ', DestFD.Format); + + // inkompatible Formats so CreateTemp + if (SourceFD.PixelSize <> DestFD.PixelSize) then + aCreateTemp := true; + + // Values + TempHeight := Max(1, aSource.Height); + TempWidth := Max(1, aSource.Width); + + FuncRec.Sender := Self; + FuncRec.Args := aArgs; + + TmpData := nil; + if aCreateTemp then begin + GetMem(TmpData, DestFD.GetSize(TempWidth, TempHeight)); + DestData := TmpData; + end else + DestData := Data; + + try + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); + + SourceMD := SourceFD.CreateMappingData; + DestMD := DestFD.CreateMappingData; + + FuncRec.Size := aSource.Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; + + try + SourceData := aSource.Data; + FuncRec.Position.Y := 0; + while FuncRec.Position.Y < TempHeight do begin + FuncRec.Position.X := 0; + while FuncRec.Position.X < TempWidth do begin + SourceFD.Unmap(SourceData, FuncRec.Source, SourceMD); + aFunc(FuncRec); + DestFD.Map(FuncRec.Dest, DestData, DestMD); + inc(FuncRec.Position.X); + end; + inc(FuncRec.Position.Y); + end; + + // Updating Image or InternalFormat + if aCreateTemp then + SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height) //be careful, Data could be freed by this method + else if (aFormat <> fFormat) then + Format := aFormat; + + result := true; + finally + SourceFD.FreeMappingData(SourceMD); + DestFD.FreeMappingData(DestMD); + end; + except + if aCreateTemp and Assigned(TmpData) then + FreeMem(TmpData); + raise; + end; + end; +end; + +{$IFDEF GLB_SDL} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, RowSize: Integer; + SourceData, TmpData: PByte; + TempDepth: Integer; + FormatDesc: TFormatDescriptor; + + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface.pixels; + Inc(result, Row * RowSize); + end; + +begin + result := false; + + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); + + if Assigned(Data) then begin + case Trunc(FormatDesc.PixelSize) of + 1: TempDepth := 8; + 2: TempDepth := 16; + 3: TempDepth := 24; + 4: TempDepth := 32; + else + raise EglBitmapUnsupportedFormat.Create(Format); + end; + + aSurface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, TempDepth, + FormatDesc.RedMask, FormatDesc.GreenMask, FormatDesc.BlueMask, FormatDesc.AlphaMask); + SourceData := Data; + RowSize := FormatDesc.GetSize(FileWidth, 1); + + for Row := 0 to FileHeight-1 do begin + TmpData := GetRowPointer(Row); + if Assigned(TmpData) then begin + Move(SourceData^, TmpData^, RowSize); + inc(SourceData, RowSize); + end; + end; + result := true; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignFromSurface(const aSurface: PSDL_Surface): Boolean; +var + pSource, pData, pTempData: PByte; + Row, RowSize, TempWidth, TempHeight: Integer; + IntFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface^.pixels; + Inc(result, Row * RowSize); + end; + +begin + result := false; + if (Assigned(aSurface)) then begin + with aSurface^.format^ do begin + for IntFormat := High(TglBitmapFormat) to Low(TglBitmapFormat) do begin + FormatDesc := TFormatDescriptor.Get(IntFormat); + if (FormatDesc.MaskMatch(RMask, GMask, BMask, AMask)) then + break; + end; + if (IntFormat = tfEmpty) then + raise EglBitmapException.Create('AssignFromSurface - Invalid Pixelformat.'); + end; + + TempWidth := aSurface^.w; + TempHeight := aSurface^.h; + RowSize := FormatDesc.GetSize(TempWidth, 1); + GetMem(pData, TempHeight * RowSize); + try + pTempData := pData; + for Row := 0 to TempHeight -1 do begin + pSource := GetRowPointer(Row); + if (Assigned(pSource)) then begin + Move(pSource^, pTempData^, RowSize); + Inc(pTempData, RowSize); + end; + end; + SetDataPointer(pData, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method + result := true; + except + if Assigned(pData) then + FreeMem(pData); + raise; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, Col, AlphaInterleave: Integer; + pSource, pDest: PByte; + + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface.pixels; + Inc(result, Row * Width); + end; + +begin + result := false; + if Assigned(Data) then begin + if Format in [tfAlpha8, tfLuminance8Alpha8, tfBGRA8, tfRGBA8] then begin + aSurface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, 8, $FF, $FF, $FF, 0); + + AlphaInterleave := 0; + case Format of + tfLuminance8Alpha8: + AlphaInterleave := 1; + tfBGRA8, tfRGBA8: + AlphaInterleave := 3; + end; + + pSource := Data; + for Row := 0 to Height -1 do begin + pDest := GetRowPointer(Row); + if Assigned(pDest) then begin + for Col := 0 to Width -1 do begin + Inc(pSource, AlphaInterleave); + pDest^ := pSource^; + Inc(pDest); + Inc(pSource); + end; + end; + end; + result := true; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction = nil; const aArgs: Pointer = nil): Boolean; +var + bmp: TglBitmap2D; +begin + bmp := TglBitmap2D.Create; + try + bmp.AssignFromSurface(aSurface); + result := AddAlphaFromGlBitmap(bmp, aFunc, aArgs); + finally + bmp.Free; + end; +end; +{$ENDIF} + +{$IFDEF GLB_DELPHI} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function CreateGrayPalette: HPALETTE; +var + Idx: Integer; + Pal: PLogPalette; +begin + GetMem(Pal, SizeOf(TLogPalette) + (SizeOf(TPaletteEntry) * 256)); + + Pal.palVersion := $300; + Pal.palNumEntries := 256; + + for Idx := 0 to Pal.palNumEntries - 1 do begin + Pal.palPalEntry[Idx].peRed := Idx; + Pal.palPalEntry[Idx].peGreen := Idx; + Pal.palPalEntry[Idx].peBlue := Idx; + Pal.palPalEntry[Idx].peFlags := 0; + end; + Result := CreatePalette(Pal^); + FreeMem(Pal); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignToBitmap(const aBitmap: TBitmap): Boolean; +var + Row: Integer; + pSource, pData: PByte; +begin + result := false; + if Assigned(Data) then begin + if Assigned(aBitmap) then begin + aBitmap.Width := Width; + aBitmap.Height := Height; + + case Format of + tfAlpha8, tfLuminance8: begin + aBitmap.PixelFormat := pf8bit; + aBitmap.Palette := CreateGrayPalette; + end; + tfRGB5A1: + aBitmap.PixelFormat := pf15bit; + tfR5G6B5: + aBitmap.PixelFormat := pf16bit; + tfRGB8, tfBGR8: + aBitmap.PixelFormat := pf24bit; + tfRGBA8, tfBGRA8: + aBitmap.PixelFormat := pf32bit; + else + raise EglBitmap.Create('AssignToBitmap - Invalid Pixelformat.'); + end; + + pSource := Data; + for Row := 0 to FileHeight -1 do begin + pData := aBitmap.Scanline[Row]; + Move(pSource^, pData^, fRowSize); + Inc(pSource, fRowSize); + if (Format in [tfRGB8, tfRGBA8]) then // swap RGB(A) to BGR(A) + SwapRGB(pData, FileWidth, Format = tfRGBA8); + end; + result := true; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignFromBitmap(const aBitmap: TBitmap): Boolean; +var + pSource, pData, pTempData: PByte; + Row, RowSize, TempWidth, TempHeight: Integer; + IntFormat: TglBitmapFormat; +begin + result := false; + + if (Assigned(aBitmap)) then begin + case aBitmap.PixelFormat of + pf8bit: + IntFormat := tfLuminance8; + pf15bit: + IntFormat := tfRGB5A1; + pf16bit: + IntFormat := tfR5G6B5; + pf24bit: + IntFormat := tfBGR8; + pf32bit: + IntFormat := tfBGRA8; + else + raise EglBitmap.Create('AssignFromBitmap - Invalid Pixelformat.'); + end; + + TempWidth := aBitmap.Width; + TempHeight := aBitmap.Height; + RowSize := TFormatDescriptor.Get(IntFormat).GetSize(TempWidth, 1); + GetMem(pData, TempHeight * RowSize); + try + pTempData := pData; + for Row := 0 to TempHeight -1 do begin + pSource := aBitmap.Scanline[Row]; + if (Assigned(pSource)) then begin + Move(pSource^, pTempData^, RowSize); + Inc(pTempData, RowSize); + end; + end; + SetDataPointer(pData, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method + result := true; + except + if Assigned(pData) then + FreeMem(pData); + raise; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; +var + Row, Col, AlphaInterleave: Integer; + pSource, pDest: PByte; +begin + result := false; + + if Assigned(Data) then begin + if (Format in [tfAlpha8, tfLuminance8Alpha8, tfRGBA8, tfBGRA8]) then begin + if Assigned(aBitmap) then begin + aBitmap.PixelFormat := pf8bit; + aBitmap.Palette := CreateGrayPalette; + aBitmap.Width := Width; + aBitmap.Height := Height; + + case Format of + tfLuminance8Alpha8: + AlphaInterleave := 1; + tfRGBA8, tfBGRA8: + AlphaInterleave := 3; + else + AlphaInterleave := 0; + end; + + // Copy Data + pSource := Data; + + for Row := 0 to Height -1 do begin + pDest := aBitmap.Scanline[Row]; + if Assigned(pDest) then begin + for Col := 0 to Width -1 do begin + Inc(pSource, AlphaInterleave); + pDest^ := pSource^; + Inc(pDest); + Inc(pSource); + end; + end; + end; + result := true; + end; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + tex: TglBitmap2D; +begin + tex := TglBitmap2D.Create; + try + tex.AssignFromBitmap(ABitmap); + result := AddAlphaFromglBitmap(tex, aFunc, aArgs); + finally + tex.Free; + end; +end; +{$ENDIF} + +{$IFDEF GLB_LAZARUS} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignToLazIntfImage(const aImage: TLazIntfImage): Boolean; +var + rid: TRawImageDescription; + FormatDesc: TFormatDescriptor; +begin + result := false; + if not Assigned(aImage) or (Format = tfEmpty) then + exit; + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed then + exit; + + FillChar(rid{%H-}, SizeOf(rid), 0); + if (Format in [ + tfAlpha4, tfAlpha8, tfAlpha12, tfAlpha16, + tfLuminance4, tfLuminance8, tfLuminance12, tfLuminance16, + tfLuminance4Alpha4, tfLuminance8Alpha8, tfLuminance12Alpha4, tfLuminance12Alpha12, tfLuminance16Alpha16]) then + rid.Format := ricfGray + else + rid.Format := ricfRGBA; + + rid.Width := Width; + rid.Height := Height; + rid.Depth := CountSetBits(FormatDesc.RedMask or FormatDesc.GreenMask or FormatDesc.BlueMask or FormatDesc.AlphaMask); + rid.BitOrder := riboBitsInOrder; + rid.ByteOrder := riboLSBFirst; + rid.LineOrder := riloTopToBottom; + rid.LineEnd := rileTight; + rid.BitsPerPixel := Round(8 * FormatDesc.PixelSize); + rid.RedPrec := CountSetBits(FormatDesc.Range.r); + rid.GreenPrec := CountSetBits(FormatDesc.Range.g); + rid.BluePrec := CountSetBits(FormatDesc.Range.b); + rid.AlphaPrec := CountSetBits(FormatDesc.Range.a); + rid.RedShift := FormatDesc.Shift.r; + rid.GreenShift := FormatDesc.Shift.g; + rid.BlueShift := FormatDesc.Shift.b; + rid.AlphaShift := FormatDesc.Shift.a; + + rid.MaskBitsPerPixel := 0; + rid.PaletteColorCount := 0; + + aImage.DataDescription := rid; + aImage.CreateData; + + Move(Data^, aImage.PixelData^, FormatDesc.GetSize(Dimension)); + + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignFromLazIntfImage(const aImage: TLazIntfImage): Boolean; +var + f: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + ImageData: PByte; + ImageSize: Integer; + CanCopy: Boolean; + + procedure CopyConvert; + var + bfFormat: TbmpBitfieldFormat; + pSourceLine, pDestLine: PByte; + pSourceMD, pDestMD: Pointer; + x, y: Integer; + pixel: TglBitmapPixelData; + begin + bfFormat := TbmpBitfieldFormat.Create; + with aImage.DataDescription do begin + bfFormat.RedMask := ((1 shl RedPrec) - 1) shl RedShift; + bfFormat.GreenMask := ((1 shl GreenPrec) - 1) shl GreenShift; + bfFormat.BlueMask := ((1 shl BluePrec) - 1) shl BlueShift; + bfFormat.AlphaMask := ((1 shl AlphaPrec) - 1) shl AlphaShift; + bfFormat.PixelSize := BitsPerPixel / 8; + end; + pSourceMD := bfFormat.CreateMappingData; + pDestMD := FormatDesc.CreateMappingData; + try + for y := 0 to aImage.Height-1 do begin + pSourceLine := aImage.PixelData + y {%H-}* aImage.DataDescription.BytesPerLine; + pDestLine := ImageData + y * Round(FormatDesc.PixelSize * aImage.Width); + for x := 0 to aImage.Width-1 do begin + bfFormat.Unmap(pSourceLine, pixel, pSourceMD); + FormatDesc.Map(pixel, pDestLine, pDestMD); + end; + end; + finally + FormatDesc.FreeMappingData(pDestMD); + bfFormat.FreeMappingData(pSourceMD); + bfFormat.Free; + end; + end; + +begin + result := false; + if not Assigned(aImage) then + exit; + for f := High(f) downto Low(f) do begin + FormatDesc := TFormatDescriptor.Get(f); + with aImage.DataDescription do + if FormatDesc.MaskMatch( + (QWord(1 shl RedPrec )-1) shl RedShift, + (QWord(1 shl GreenPrec)-1) shl GreenShift, + (QWord(1 shl BluePrec )-1) shl BlueShift, + (QWord(1 shl AlphaPrec)-1) shl AlphaShift) then + break; + end; + + if (f = tfEmpty) then + exit; + + CanCopy := + (Round(FormatDesc.PixelSize * 8) = aImage.DataDescription.Depth) and + (aImage.DataDescription.BitsPerPixel = aImage.DataDescription.Depth); + + ImageSize := FormatDesc.GetSize(aImage.Width, aImage.Height); + ImageData := GetMem(ImageSize); + try + if CanCopy then + Move(aImage.PixelData^, ImageData^, ImageSize) + else + CopyConvert; + SetDataPointer(ImageData, f, aImage.Width, aImage.Height); //be careful, Data could be freed by this method + except + if Assigned(ImageData) then + FreeMem(ImageData); + raise; + end; + + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignAlphaToLazIntfImage(const aImage: TLazIntfImage): Boolean; +var + rid: TRawImageDescription; + FormatDesc: TFormatDescriptor; + Pixel: TglBitmapPixelData; + x, y: Integer; + srcMD: Pointer; + src, dst: PByte; +begin + result := false; + if not Assigned(aImage) or (Format = tfEmpty) then + exit; + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed or not FormatDesc.HasAlpha then + exit; + + FillChar(rid{%H-}, SizeOf(rid), 0); + rid.Format := ricfGray; + rid.Width := Width; + rid.Height := Height; + rid.Depth := CountSetBits(FormatDesc.Range.a); + rid.BitOrder := riboBitsInOrder; + rid.ByteOrder := riboLSBFirst; + rid.LineOrder := riloTopToBottom; + rid.LineEnd := rileTight; + rid.BitsPerPixel := 8 * Ceil(rid.Depth / 8); + rid.RedPrec := CountSetBits(FormatDesc.Range.a); + rid.GreenPrec := 0; + rid.BluePrec := 0; + rid.AlphaPrec := 0; + rid.RedShift := 0; + rid.GreenShift := 0; + rid.BlueShift := 0; + rid.AlphaShift := 0; + + rid.MaskBitsPerPixel := 0; + rid.PaletteColorCount := 0; + + aImage.DataDescription := rid; + aImage.CreateData; + + srcMD := FormatDesc.CreateMappingData; + try + FormatDesc.PreparePixel(Pixel); + src := Data; + dst := aImage.PixelData; + for y := 0 to Height-1 do + for x := 0 to Width-1 do begin + FormatDesc.Unmap(src, Pixel, srcMD); + case rid.BitsPerPixel of + 8: begin + dst^ := Pixel.Data.a; + inc(dst); + end; + 16: begin + PWord(dst)^ := Pixel.Data.a; + inc(dst, 2); + end; + 24: begin + PByteArray(dst)^[0] := PByteArray(@Pixel.Data.a)^[0]; + PByteArray(dst)^[1] := PByteArray(@Pixel.Data.a)^[1]; + PByteArray(dst)^[2] := PByteArray(@Pixel.Data.a)^[2]; + inc(dst, 3); + end; + 32: begin + PCardinal(dst)^ := Pixel.Data.a; + inc(dst, 4); + end; + else + raise EglBitmapUnsupportedFormat.Create(Format); + end; + end; + finally + FormatDesc.FreeMappingData(srcMD); + end; + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromLazIntfImage(const aImage: TLazIntfImage; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + tex: TglBitmap2D; +begin + tex := TglBitmap2D.Create; + try + tex.AssignFromLazIntfImage(aImage); + result := AddAlphaFromglBitmap(tex, aFunc, aArgs); + finally + tex.Free; + end; +end; +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromResource(const aInstance: Cardinal; aResource: String; aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + rs: TResourceStream; +begin + PrepareResType(aResource, aResType); + rs := TResourceStream.Create(aInstance, aResource, aResType); + try + result := AddAlphaFromStream(rs, aFunc, aArgs); + finally + rs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + rs: TResourceStream; +begin + rs := TResourceStream.CreateFromID(aInstance, aResourceID, aResType); + try + result := AddAlphaFromStream(rs, aFunc, aArgs); + finally + rs.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +begin + if TFormatDescriptor.Get(Format).IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); + result := AddFunc(Self, aFunc, false, TFormatDescriptor.Get(Format).WithAlpha, aArgs); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + FS: TFileStream; +begin + FS := TFileStream.Create(aFileName, fmOpenRead); + try + result := AddAlphaFromStream(FS, aFunc, aArgs); + finally + FS.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + tex: TglBitmap2D; +begin + tex := TglBitmap2D.Create(aStream); + try + result := AddAlphaFromglBitmap(tex, aFunc, aArgs); + finally + tex.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromGlBitmap(const aBitmap: TglBitmap; aFunc: TglBitmapFunction; const aArgs: Pointer): Boolean; +var + DestData, DestData2, SourceData: pByte; + TempHeight, TempWidth: Integer; + SourceFD, DestFD: TFormatDescriptor; + SourceMD, DestMD, DestMD2: Pointer; + + FuncRec: TglBitmapFunctionRec; +begin + result := false; + + Assert(Assigned(Data)); + Assert(Assigned(aBitmap)); + Assert(Assigned(aBitmap.Data)); + + if ((aBitmap.Width = Width) and (aBitmap.Height = Height)) then begin + result := ConvertTo(TFormatDescriptor.Get(Format).WithAlpha); + + SourceFD := TFormatDescriptor.Get(aBitmap.Format); + DestFD := TFormatDescriptor.Get(Format); + + if not Assigned(aFunc) then begin + aFunc := glBitmapAlphaFunc; + FuncRec.Args := {%H-}Pointer(SourceFD.HasAlpha); + end else + FuncRec.Args := aArgs; + + // Values + TempHeight := aBitmap.FileHeight; + TempWidth := aBitmap.FileWidth; + + FuncRec.Sender := Self; + FuncRec.Size := Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; + + DestData := Data; + DestData2 := Data; + SourceData := aBitmap.Data; + + // Mapping + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); + + SourceMD := SourceFD.CreateMappingData; + DestMD := DestFD.CreateMappingData; + DestMD2 := DestFD.CreateMappingData; + try + FuncRec.Position.Y := 0; + while FuncRec.Position.Y < TempHeight do begin + FuncRec.Position.X := 0; + while FuncRec.Position.X < TempWidth do begin + SourceFD.Unmap(SourceData, FuncRec.Source, SourceMD); + DestFD.Unmap (DestData, FuncRec.Dest, DestMD); + aFunc(FuncRec); + DestFD.Map(FuncRec.Dest, DestData2, DestMD2); + inc(FuncRec.Position.X); + end; + inc(FuncRec.Position.Y); + end; + finally + SourceFD.FreeMappingData(SourceMD); + DestFD.FreeMappingData(DestMD); + DestFD.FreeMappingData(DestMD2); + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte): Boolean; +begin + result := AddAlphaFromColorKeyFloat(aRed / $FF, aGreen / $FF, aBlue / $FF, aDeviation / $FF); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal): Boolean; +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); + result := AddAlphaFromColorKeyFloat( + aRed / PixelData.Range.r, + aGreen / PixelData.Range.g, + aBlue / PixelData.Range.b, + aDeviation / Max(PixelData.Range.r, Max(PixelData.Range.g, PixelData.Range.b))); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single): Boolean; +var + values: array[0..2] of Single; + tmp: Cardinal; + i: Integer; + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); + with PixelData do begin + values[0] := aRed; + values[1] := aGreen; + values[2] := aBlue; + + for i := 0 to 2 do begin + tmp := Trunc(Range.arr[i] * aDeviation); + Data.arr[i] := Min(Range.arr[i], Trunc(Range.arr[i] * values[i] + tmp)); + Range.arr[i] := Max(0, Trunc(Range.arr[i] * values[i] - tmp)); + end; + Data.a := 0; + Range.a := 0; + end; + result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, @PixelData); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromValue(const aAlpha: Byte): Boolean; +begin + result := AddAlphaFromValueFloat(aAlpha / $FF); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); + result := AddAlphaFromValueFloat(aAlpha / PixelData.Range.a); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromValueFloat(const aAlpha: Single): Boolean; +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); + with PixelData do + Data.a := Min(Range.a, Max(0, Round(Range.a * aAlpha))); + result := AddAlphaFromFunc(glBitmapValueAlphaFunc, @PixelData.Data.a); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.RemoveAlpha: Boolean; +var + FormatDesc: TFormatDescriptor; +begin + result := false; + FormatDesc := TFormatDescriptor.Get(Format); + if Assigned(Data) then begin + if FormatDesc.IsCompressed or not FormatDesc.HasAlpha then + raise EglBitmapUnsupportedFormat.Create(Format); + result := ConvertTo(FormatDesc.WithoutAlpha); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.Clone: TglBitmap; +var + Temp: TglBitmap; + TempPtr: PByte; + Size: Integer; +begin + result := nil; + Temp := (ClassType.Create as TglBitmap); + try + // copy texture data if assigned + if Assigned(Data) then begin + Size := TFormatDescriptor.Get(Format).GetSize(fDimension); + GetMem(TempPtr, Size); + try + Move(Data^, TempPtr^, Size); + Temp.SetDataPointer(TempPtr, Format, Width, Height); //be careful, Data could be freed by this method + except + if Assigned(TempPtr) then + FreeMem(TempPtr); + raise; + end; + end else begin + TempPtr := nil; + Temp.SetDataPointer(TempPtr, Format, Width, Height); //be careful, Data could be freed by this method + end; + + // copy properties + Temp.fID := ID; + Temp.fTarget := Target; + Temp.fFormat := Format; + Temp.fMipMap := MipMap; + Temp.fAnisotropic := Anisotropic; + Temp.fBorderColor := fBorderColor; + Temp.fDeleteTextureOnFree := DeleteTextureOnFree; + Temp.fFreeDataAfterGenTexture := FreeDataAfterGenTexture; + Temp.fFilterMin := fFilterMin; + Temp.fFilterMag := fFilterMag; + Temp.fWrapS := fWrapS; + Temp.fWrapT := fWrapT; + Temp.fWrapR := fWrapR; + Temp.fFilename := fFilename; + Temp.fCustomName := fCustomName; + Temp.fCustomNameW := fCustomNameW; + Temp.fCustomData := fCustomData; + + result := Temp; + except + FreeAndNil(Temp); + raise; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.ConvertTo(const aFormat: TglBitmapFormat): Boolean; +var + SourceFD, DestFD: TFormatDescriptor; + SourcePD, DestPD: TglBitmapPixelData; + ShiftData: TShiftData; + + function CanCopyDirect: Boolean; + begin + result := + ((SourcePD.Range.r = DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and + ((SourcePD.Range.g = DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and + ((SourcePD.Range.b = DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and + ((SourcePD.Range.a = DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0)); + end; + + function CanShift: Boolean; + begin + result := + ((SourcePD.Range.r >= DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and + ((SourcePD.Range.g >= DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and + ((SourcePD.Range.b >= DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and + ((SourcePD.Range.a >= DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0)); + end; + + function GetShift(aSource, aDest: Cardinal) : ShortInt; + begin + result := 0; + while (aSource > aDest) and (aSource > 0) do begin + inc(result); + aSource := aSource shr 1; + end; + end; + +begin + if (aFormat <> fFormat) and (aFormat <> tfEmpty) then begin + SourceFD := TFormatDescriptor.Get(Format); + DestFD := TFormatDescriptor.Get(aFormat); + + SourceFD.PreparePixel(SourcePD); + DestFD.PreparePixel (DestPD); + + if CanCopyDirect then + result := AddFunc(Self, glBitmapConvertCopyFunc, false, aFormat) + else if CanShift then begin + ShiftData.r := GetShift(SourcePD.Range.r, DestPD.Range.r); + ShiftData.g := GetShift(SourcePD.Range.g, DestPD.Range.g); + ShiftData.b := GetShift(SourcePD.Range.b, DestPD.Range.b); + ShiftData.a := GetShift(SourcePD.Range.a, DestPD.Range.a); + result := AddFunc(Self, glBitmapConvertShiftRGBAFunc, false, aFormat, @ShiftData); + end else + result := AddFunc(Self, glBitmapConvertCalculateRGBAFunc, false, aFormat); + end else + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Invert(const aUseRGB: Boolean; const aUseAlpha: Boolean); +begin + if aUseRGB or aUseAlpha then + AddFunc(glBitmapInvertFunc, false, {%H-}Pointer( + ((Byte(aUseAlpha) and 1) shl 1) or + (Byte(aUseRGB) and 1) )); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); +begin + fBorderColor[0] := aRed; + fBorderColor[1] := aGreen; + fBorderColor[2] := aBlue; + fBorderColor[3] := aAlpha; + if (ID > 0) then begin + Bind(false); + glTexParameterfv(Target, GL_TEXTURE_BORDER_COLOR, @fBorderColor[0]); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FreeData; +var + TempPtr: PByte; +begin + TempPtr := nil; + SetDataPointer(TempPtr, tfEmpty); //be careful, Data could be freed by this method +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FillWithColor(const aRed, aGreen, aBlue: Byte; + const aAlpha: Byte); +begin + FillWithColorFloat(aRed/$FF, aGreen/$FF, aBlue/$FF, aAlpha/$FF); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal); +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); + FillWithColorFloat( + aRed / PixelData.Range.r, + aGreen / PixelData.Range.g, + aBlue / PixelData.Range.b, + aAlpha / PixelData.Range.a); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha: Single); +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.Get(Format).PreparePixel(PixelData); + with PixelData do begin + Data.r := Max(0, Min(Range.r, Trunc(Range.r * aRed))); + Data.g := Max(0, Min(Range.g, Trunc(Range.g * aGreen))); + Data.b := Max(0, Min(Range.b, Trunc(Range.b * aBlue))); + Data.a := Max(0, Min(Range.a, Trunc(Range.a * aAlpha))); + end; + AddFunc(glBitmapFillWithColorFunc, false, @PixelData); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetFilter(const aMin, aMag: GLenum); +begin + //check MIN filter + case aMin of + GL_NEAREST: + fFilterMin := GL_NEAREST; + GL_LINEAR: + fFilterMin := GL_LINEAR; + GL_NEAREST_MIPMAP_NEAREST: + fFilterMin := GL_NEAREST_MIPMAP_NEAREST; + GL_LINEAR_MIPMAP_NEAREST: + fFilterMin := GL_LINEAR_MIPMAP_NEAREST; + GL_NEAREST_MIPMAP_LINEAR: + fFilterMin := GL_NEAREST_MIPMAP_LINEAR; + GL_LINEAR_MIPMAP_LINEAR: + fFilterMin := GL_LINEAR_MIPMAP_LINEAR; + else + raise EglBitmap.Create('SetFilter - Unknow MIN filter.'); + end; + + //check MAG filter + case aMag of + GL_NEAREST: + fFilterMag := GL_NEAREST; + GL_LINEAR: + fFilterMag := GL_LINEAR; + else + raise EglBitmap.Create('SetFilter - Unknow MAG filter.'); + end; + + //apply filter + if (ID > 0) then begin + Bind(false); + glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, fFilterMag); + + if (MipMap = mmNone) or (Target = GL_TEXTURE_RECTANGLE) then begin + case fFilterMin of + GL_NEAREST, GL_LINEAR: + glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); + GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR: + glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR: + glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + end; + end else + glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetWrap(const S: GLenum; const T: GLenum; const R: GLenum); + + procedure CheckAndSetWrap(const aValue: Cardinal; var aTarget: Cardinal); + begin + case aValue of + GL_CLAMP: + aTarget := GL_CLAMP; + + GL_REPEAT: + aTarget := GL_REPEAT; + + GL_CLAMP_TO_EDGE: begin + if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then + aTarget := GL_CLAMP_TO_EDGE + else + aTarget := GL_CLAMP; + end; + + GL_CLAMP_TO_BORDER: begin + if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then + aTarget := GL_CLAMP_TO_BORDER + else + aTarget := GL_CLAMP; + end; + + GL_MIRRORED_REPEAT: begin + if GL_VERSION_1_4 or GL_ARB_texture_mirrored_repeat or GL_IBM_texture_mirrored_repeat then + aTarget := GL_MIRRORED_REPEAT + else + raise EglBitmap.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (S).'); + end; + else + raise EglBitmap.Create('SetWrap - Unknow Texturewrap'); + end; + end; + +begin + CheckAndSetWrap(S, fWrapS); + CheckAndSetWrap(T, fWrapT); + CheckAndSetWrap(R, fWrapR); + + if (ID > 0) then begin + Bind(false); + glTexParameteri(Target, GL_TEXTURE_WRAP_S, fWrapS); + glTexParameteri(Target, GL_TEXTURE_WRAP_T, fWrapT); + glTexParameteri(Target, GL_TEXTURE_WRAP_R, fWrapR); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetSwizzle(const r, g, b, a: GLenum); + + procedure CheckAndSetValue(const aValue: GLenum; const aIndex: Integer); + begin + if (aValue = GL_ZERO) or (aValue = GL_ONE) or (aValue = GL_ALPHA) or + (aValue = GL_RED) or (aValue = GL_GREEN) or (aValue = GL_BLUE) then + fSwizzle[aIndex] := aValue + else + raise EglBitmap.Create('SetSwizzle - Unknow Swizle Value'); + end; + +begin + if not (GL_ARB_texture_swizzle or GL_EXT_texture_swizzle or GL_VERSION_3_3) then + raise EglBitmapNotSupported.Create('texture swizzle is not supported'); + CheckAndSetValue(r, 0); + CheckAndSetValue(g, 1); + CheckAndSetValue(b, 2); + CheckAndSetValue(a, 3); + + if (ID > 0) then begin + Bind(false); + glTexParameteriv(Target, GL_TEXTURE_SWIZZLE_RGBA, PGLint(@fSwizzle[0])); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Bind(const aEnableTextureUnit: Boolean); +begin + if aEnableTextureUnit then + glEnable(Target); + if (ID > 0) then + glBindTexture(Target, ID); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Unbind(const aDisableTextureUnit: Boolean); +begin + if aDisableTextureUnit then + glDisable(Target); + glBindTexture(Target, 0); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create; +begin + if (ClassType = TglBitmap) then + raise EglBitmap.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); +{$IFDEF GLB_NATIVE_OGL} + glbReadOpenGLExtensions; +{$ENDIF} + inherited Create; + fFormat := glBitmapGetDefaultFormat; + fFreeDataOnDestroy := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aFileName: String); +begin + Create; + LoadFromFile(aFileName); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aStream: TStream); +begin + Create; + LoadFromStream(aStream); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; aData: PByte); +var + ImageSize: Integer; +begin + Create; + if not Assigned(aData) then begin + ImageSize := TFormatDescriptor.Get(aFormat).GetSize(aSize); + GetMem(aData, ImageSize); + try + FillChar(aData^, ImageSize, #$FF); + SetDataPointer(aData, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method + except + if Assigned(aData) then + FreeMem(aData); + raise; + end; + end else begin + SetDataPointer(aData, aFormat, aSize.X, aSize.Y); //be careful, Data could be freed by this method + fFreeDataOnDestroy := false; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: Pointer); +begin + Create; + LoadFromFunc(aSize, aFunc, aFormat, aArgs); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar); +begin + Create; + LoadFromResource(aInstance, aResource, aResType); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); +begin + Create; + LoadFromResourceID(aInstance, aResourceID, aResType); +end; + +{$IFDEF GLB_SUPPORT_PNG_READ} +{$IF DEFINED(GLB_LAZ_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//PNG///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; +const + MAGIC_LEN = 8; + PNG_MAGIC: String[MAGIC_LEN] = #$89#$50#$4E#$47#$0D#$0A#$1A#$0A; +var + reader: TLazReaderPNG; + intf: TLazIntfImage; + StreamPos: Int64; + magic: String[MAGIC_LEN]; +begin + result := true; + StreamPos := aStream.Position; + + SetLength(magic, MAGIC_LEN); + aStream.Read(magic[1], MAGIC_LEN); + aStream.Position := StreamPos; + if (magic <> PNG_MAGIC) then begin + result := false; + exit; + end; + + intf := TLazIntfImage.Create(0, 0); + reader := TLazReaderPNG.Create; + try try + reader.UpdateDescription := true; + reader.ImageRead(aStream, intf); + AssignFromLazIntfImage(intf); + except + result := false; + aStream.Position := StreamPos; + exit; + end; + finally + reader.Free; + intf.Free; + end; +end; + +{$ELSEIF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; +var + Surface: PSDL_Surface; + RWops: PSDL_RWops; +begin + result := false; + RWops := glBitmapCreateRWops(aStream); + try + if IMG_isPNG(RWops) > 0 then begin + Surface := IMG_LoadPNG_RW(RWops); + try + AssignFromSurface(Surface); + result := true; + finally + SDL_FreeSurface(Surface); + end; + end; + finally + SDL_FreeRW(RWops); + end; +end; + +{$ELSEIF DEFINED(GLB_LIB_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libPNG_read_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; +begin + TStream(png_get_io_ptr(png)).Read(buffer^, size); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + signature: array [0..7] of byte; + png: png_structp; + png_info: png_infop; + + TempHeight, TempWidth: Integer; + Format: TglBitmapFormat; + + png_data: pByte; + png_rows: array of pByte; + Row, LineSize: Integer; +begin + result := false; + + if not init_libPNG then + raise Exception.Create('LoadPNG - unable to initialize libPNG.'); + + try + // signature + StreamPos := aStream.Position; + aStream.Read(signature{%H-}, 8); + aStream.Position := StreamPos; + + if png_check_sig(@signature, 8) <> 0 then begin + // png read struct + png := png_create_read_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); + if png = nil then + raise EglBitmapException.Create('LoadPng - couldn''t create read struct.'); + + // png info + png_info := png_create_info_struct(png); + if png_info = nil then begin + png_destroy_read_struct(@png, nil, nil); + raise EglBitmapException.Create('LoadPng - couldn''t create info struct.'); + end; + + // set read callback + png_set_read_fn(png, aStream, glBitmap_libPNG_read_func); + + // read informations + png_read_info(png, png_info); + + // size + TempHeight := png_get_image_height(png, png_info); + TempWidth := png_get_image_width(png, png_info); + + // format + case png_get_color_type(png, png_info) of + PNG_COLOR_TYPE_GRAY: + Format := tfLuminance8; + PNG_COLOR_TYPE_GRAY_ALPHA: + Format := tfLuminance8Alpha8; + PNG_COLOR_TYPE_RGB: + Format := tfRGB8; + PNG_COLOR_TYPE_RGB_ALPHA: + Format := tfRGBA8; + else + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); + end; + + // cut upper 8 bit from 16 bit formats + if png_get_bit_depth(png, png_info) > 8 then + png_set_strip_16(png); + + // expand bitdepth smaller than 8 + if png_get_bit_depth(png, png_info) < 8 then + png_set_expand(png); + + // allocating mem for scanlines + LineSize := png_get_rowbytes(png, png_info); + GetMem(png_data, TempHeight * LineSize); + try + SetLength(png_rows, TempHeight); + for Row := Low(png_rows) to High(png_rows) do begin + png_rows[Row] := png_data; + Inc(png_rows[Row], Row * LineSize); + end; + + // read complete image into scanlines + png_read_image(png, @png_rows[0]); + + // read end + png_read_end(png, png_info); + + // destroy read struct + png_destroy_read_struct(@png, @png_info, nil); + + SetLength(png_rows, 0); + + // set new data + SetDataPointer(png_data, Format, TempWidth, TempHeight); //be careful, Data could be freed by this method + + result := true; + except + if Assigned(png_data) then + FreeMem(png_data); + raise; + end; + end; + finally + quit_libPNG; + end; +end; + +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + Png: TPNGObject; + Header: String[8]; + Row, Col, PixSize, LineSize: Integer; + NewImage, pSource, pDest, pAlpha: pByte; + PngFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + +const + PngHeader: String[8] = #137#80#78#71#13#10#26#10; + +begin + result := false; + + StreamPos := aStream.Position; + aStream.Read(Header[0], SizeOf(Header)); + aStream.Position := StreamPos; + + {Test if the header matches} + if Header = PngHeader then begin + Png := TPNGObject.Create; + try + Png.LoadFromStream(aStream); + + case Png.Header.ColorType of + COLOR_GRAYSCALE: + PngFormat := tfLuminance8; + COLOR_GRAYSCALEALPHA: + PngFormat := tfLuminance8Alpha8; + COLOR_RGB: + PngFormat := tfBGR8; + COLOR_RGBALPHA: + PngFormat := tfBGRA8; + else + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); + end; + + FormatDesc := TFormatDescriptor.Get(PngFormat); + PixSize := Round(FormatDesc.PixelSize); + LineSize := FormatDesc.GetSize(Png.Header.Width, 1); + + GetMem(NewImage, LineSize * Integer(Png.Header.Height)); + try + pDest := NewImage; + + case Png.Header.ColorType of + COLOR_RGB, COLOR_GRAYSCALE: + begin + for Row := 0 to Png.Height -1 do begin + Move (Png.Scanline[Row]^, pDest^, LineSize); + Inc(pDest, LineSize); + end; + end; + COLOR_RGBALPHA, COLOR_GRAYSCALEALPHA: + begin + PixSize := PixSize -1; + + for Row := 0 to Png.Height -1 do begin + pSource := Png.Scanline[Row]; + pAlpha := pByte(Png.AlphaScanline[Row]); + + for Col := 0 to Png.Width -1 do begin + Move (pSource^, pDest^, PixSize); + Inc(pSource, PixSize); + Inc(pDest, PixSize); + + pDest^ := pAlpha^; + inc(pAlpha); + Inc(pDest); + end; + end; + end; + else + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); + end; + + SetDataPointer(NewImage, PngFormat, Png.Header.Width, Png.Header.Height); //be careful, Data could be freed by this method + + result := true; + except + if Assigned(NewImage) then + FreeMem(NewImage); + raise; + end; + finally + Png.Free; + end; + end; +end; +{$IFEND} +{$ENDIF} + +{$IFDEF GLB_SUPPORT_PNG_WRITE} +{$IFDEF GLB_LIB_PNG} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libPNG_write_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; +begin + TStream(png_get_io_ptr(png)).Write(buffer^, size); +end; +{$ENDIF} + +{$IF DEFINED(GLB_LAZ_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SavePNG(const aStream: TStream); +var + png: TPortableNetworkGraphic; + intf: TLazIntfImage; + raw: TRawImage; +begin + png := TPortableNetworkGraphic.Create; + intf := TLazIntfImage.Create(0, 0); + try + if not AssignToLazIntfImage(intf) then + raise EglBitmap.Create('unable to create LazIntfImage from glBitmap'); + intf.GetRawImage(raw); + png.LoadFromRawImage(raw, false); + png.SaveToStream(aStream); + finally + png.Free; + intf.Free; + end; +end; + +{$ELSEIF DEFINED(GLB_LIB_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SavePNG(const aStream: TStream); +var + png: png_structp; + png_info: png_infop; + png_rows: array of pByte; + LineSize: Integer; + ColorType: Integer; + Row: Integer; + FormatDesc: TFormatDescriptor; +begin + if not (ftPNG in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + if not init_libPNG then + raise Exception.Create('unable to initialize libPNG.'); + + try + case Format of + tfAlpha8, tfLuminance8: + ColorType := PNG_COLOR_TYPE_GRAY; + tfLuminance8Alpha8: + ColorType := PNG_COLOR_TYPE_GRAY_ALPHA; + tfBGR8, tfRGB8: + ColorType := PNG_COLOR_TYPE_RGB; + tfBGRA8, tfRGBA8: + ColorType := PNG_COLOR_TYPE_RGBA; + else + raise EglBitmapUnsupportedFormat.Create(Format); + end; + + FormatDesc := TFormatDescriptor.Get(Format); + LineSize := FormatDesc.GetSize(Width, 1); + + // creating array for scanline + SetLength(png_rows, Height); + try + for Row := 0 to Height - 1 do begin + png_rows[Row] := Data; + Inc(png_rows[Row], Row * LineSize) + end; + + // write struct + png := png_create_write_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); + if png = nil then + raise EglBitmapException.Create('SavePng - couldn''t create write struct.'); + + // create png info + png_info := png_create_info_struct(png); + if png_info = nil then begin + png_destroy_write_struct(@png, nil); + raise EglBitmapException.Create('SavePng - couldn''t create info struct.'); + end; + + // set read callback + png_set_write_fn(png, aStream, glBitmap_libPNG_write_func, nil); + + // set compression + png_set_compression_level(png, 6); + + if Format in [tfBGR8, tfBGRA8] then + png_set_bgr(png); + + png_set_IHDR(png, png_info, Width, Height, 8, ColorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); + png_write_info(png, png_info); + png_write_image(png, @png_rows[0]); + png_write_end(png, png_info); + png_destroy_write_struct(@png, @png_info); + finally + SetLength(png_rows, 0); + end; + finally + quit_libPNG; + end; +end; + +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SavePNG(const aStream: TStream); +var + Png: TPNGObject; + + pSource, pDest: pByte; + X, Y, PixSize: Integer; + ColorType: Cardinal; + Alpha: Boolean; + + pTemp: pByte; + Temp: Byte; +begin + if not (ftPNG in FormatGetSupportedFiles (Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + case Format of + tfAlpha8, tfLuminance8: begin + ColorType := COLOR_GRAYSCALE; + PixSize := 1; + Alpha := false; + end; + tfLuminance8Alpha8: begin + ColorType := COLOR_GRAYSCALEALPHA; + PixSize := 1; + Alpha := true; + end; + tfBGR8, tfRGB8: begin + ColorType := COLOR_RGB; + PixSize := 3; + Alpha := false; + end; + tfBGRA8, tfRGBA8: begin + ColorType := COLOR_RGBALPHA; + PixSize := 3; + Alpha := true + end; + else + raise EglBitmapUnsupportedFormat.Create(Format); + end; + + Png := TPNGObject.CreateBlank(ColorType, 8, Width, Height); + try + // Copy ImageData + pSource := Data; + for Y := 0 to Height -1 do begin + pDest := png.ScanLine[Y]; + for X := 0 to Width -1 do begin + Move(pSource^, pDest^, PixSize); + Inc(pDest, PixSize); + Inc(pSource, PixSize); + if Alpha then begin + png.AlphaScanline[Y]^[X] := pSource^; + Inc(pSource); + end; + end; + + // convert RGB line to BGR + if Format in [tfRGB8, tfRGBA8] then begin + pTemp := png.ScanLine[Y]; + for X := 0 to Width -1 do begin + Temp := pByteArray(pTemp)^[0]; + pByteArray(pTemp)^[0] := pByteArray(pTemp)^[2]; + pByteArray(pTemp)^[2] := Temp; + Inc(pTemp, 3); + end; + end; + end; + + // Save to Stream + Png.CompressionLevel := 6; + Png.SaveToStream(aStream); + finally + FreeAndNil(Png); + end; +end; +{$IFEND} +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//JPEG//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$IFDEF GLB_LIB_JPEG} +type + glBitmap_libJPEG_source_mgr_ptr = ^glBitmap_libJPEG_source_mgr; + glBitmap_libJPEG_source_mgr = record + pub: jpeg_source_mgr; + + SrcStream: TStream; + SrcBuffer: array [1..4096] of byte; + end; + + glBitmap_libJPEG_dest_mgr_ptr = ^glBitmap_libJPEG_dest_mgr; + glBitmap_libJPEG_dest_mgr = record + pub: jpeg_destination_mgr; + + DestStream: TStream; + DestBuffer: array [1..4096] of byte; + end; + +procedure glBitmap_libJPEG_error_exit(cinfo: j_common_ptr); cdecl; +begin + //DUMMY +end; + + +procedure glBitmap_libJPEG_output_message(cinfo: j_common_ptr); cdecl; +begin + //DUMMY +end; + + +procedure glBitmap_libJPEG_init_source(cinfo: j_decompress_ptr); cdecl; +begin + //DUMMY +end; + +procedure glBitmap_libJPEG_term_source(cinfo: j_decompress_ptr); cdecl; +begin + //DUMMY +end; + + +procedure glBitmap_libJPEG_init_destination(cinfo: j_compress_ptr); cdecl; +begin + //DUMMY +end; + + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmap_libJPEG_fill_input_buffer(cinfo: j_decompress_ptr): boolean; cdecl; +var + src: glBitmap_libJPEG_source_mgr_ptr; + bytes: integer; +begin + src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); + + bytes := src^.SrcStream.Read(src^.SrcBuffer[1], 4096); + if (bytes <= 0) then begin + src^.SrcBuffer[1] := $FF; + src^.SrcBuffer[2] := JPEG_EOI; + bytes := 2; + end; + + src^.pub.next_input_byte := @(src^.SrcBuffer[1]); + src^.pub.bytes_in_buffer := bytes; + + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libJPEG_skip_input_data(cinfo: j_decompress_ptr; num_bytes: Longint); cdecl; +var + src: glBitmap_libJPEG_source_mgr_ptr; +begin + src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); + + if num_bytes > 0 then begin + // wanted byte isn't in buffer so set stream position and read buffer + if num_bytes > src^.pub.bytes_in_buffer then begin + src^.SrcStream.Position := src^.SrcStream.Position + num_bytes - src^.pub.bytes_in_buffer; + src^.pub.fill_input_buffer(cinfo); + end else begin + // wanted byte is in buffer so only skip + inc(src^.pub.next_input_byte, num_bytes); + dec(src^.pub.bytes_in_buffer, num_bytes); + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmap_libJPEG_empty_output_buffer(cinfo: j_compress_ptr): boolean; cdecl; +var + dest: glBitmap_libJPEG_dest_mgr_ptr; +begin + dest := glBitmap_libJPEG_dest_mgr_ptr(cinfo^.dest); + + if dest^.pub.free_in_buffer < Cardinal(Length(dest^.DestBuffer)) then begin + // write complete buffer + dest^.DestStream.Write(dest^.DestBuffer[1], SizeOf(dest^.DestBuffer)); + + // reset buffer + dest^.pub.next_output_byte := @dest^.DestBuffer[1]; + dest^.pub.free_in_buffer := Length(dest^.DestBuffer); + end; + + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libJPEG_term_destination(cinfo: j_compress_ptr); cdecl; +var + Idx: Integer; + dest: glBitmap_libJPEG_dest_mgr_ptr; +begin + dest := glBitmap_libJPEG_dest_mgr_ptr(cinfo^.dest); + + for Idx := Low(dest^.DestBuffer) to High(dest^.DestBuffer) do begin + // check for endblock + if (Idx < High(dest^.DestBuffer)) and (dest^.DestBuffer[Idx] = $FF) and (dest^.DestBuffer[Idx +1] = JPEG_EOI) then begin + // write endblock + dest^.DestStream.Write(dest^.DestBuffer[Idx], 2); + + // leave + break; + end else + dest^.DestStream.Write(dest^.DestBuffer[Idx], 1); + end; +end; +{$ENDIF} + +{$IFDEF GLB_SUPPORT_JPEG_READ} +{$IF DEFINED(GLB_LAZ_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; +const + MAGIC_LEN = 2; + JPEG_MAGIC: String[MAGIC_LEN] = #$FF#$D8; +var + intf: TLazIntfImage; + reader: TFPReaderJPEG; + StreamPos: Int64; + magic: String[MAGIC_LEN]; +begin + result := true; + StreamPos := aStream.Position; + + SetLength(magic, MAGIC_LEN); + aStream.Read(magic[1], MAGIC_LEN); + aStream.Position := StreamPos; + if (magic <> JPEG_MAGIC) then begin + result := false; + exit; + end; + + reader := TFPReaderJPEG.Create; + intf := TLazIntfImage.Create(0, 0); + try try + intf.DataDescription := GetDescriptionFromDevice(0, 0, 0); + reader.ImageRead(aStream, intf); + AssignFromLazIntfImage(intf); + except + result := false; + aStream.Position := StreamPos; + exit; + end; + finally + reader.Free; + intf.Free; + end; +end; + +{$ELSEIF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; +var + Surface: PSDL_Surface; + RWops: PSDL_RWops; +begin + result := false; + + RWops := glBitmapCreateRWops(aStream); + try + if IMG_isJPG(RWops) > 0 then begin + Surface := IMG_LoadJPG_RW(RWops); + try + AssignFromSurface(Surface); + result := true; + finally + SDL_FreeSurface(Surface); + end; + end; + finally + SDL_FreeRW(RWops); + end; +end; + +{$ELSEIF DEFINED(GLB_LIB_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + Temp: array[0..1]of Byte; + + jpeg: jpeg_decompress_struct; + jpeg_err: jpeg_error_mgr; + + IntFormat: TglBitmapFormat; + pImage: pByte; + TempHeight, TempWidth: Integer; + + pTemp: pByte; + Row: Integer; + + FormatDesc: TFormatDescriptor; +begin + result := false; + + if not init_libJPEG then + raise Exception.Create('LoadJPG - unable to initialize libJPEG.'); + + try + // reading first two bytes to test file and set cursor back to begin + StreamPos := aStream.Position; + aStream.Read({%H-}Temp[0], 2); + aStream.Position := StreamPos; + + // if Bitmap then read file. + if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin + FillChar(jpeg{%H-}, SizeOf(jpeg_decompress_struct), $00); + FillChar(jpeg_err{%H-}, SizeOf(jpeg_error_mgr), $00); + + // error managment + jpeg.err := jpeg_std_error(@jpeg_err); + jpeg_err.error_exit := glBitmap_libJPEG_error_exit; + jpeg_err.output_message := glBitmap_libJPEG_output_message; + + // decompression struct + jpeg_create_decompress(@jpeg); + + // allocation space for streaming methods + jpeg.src := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_source_mgr)); + + // seeting up custom functions + with glBitmap_libJPEG_source_mgr_ptr(jpeg.src)^ do begin + pub.init_source := glBitmap_libJPEG_init_source; + pub.fill_input_buffer := glBitmap_libJPEG_fill_input_buffer; + pub.skip_input_data := glBitmap_libJPEG_skip_input_data; + pub.resync_to_restart := jpeg_resync_to_restart; // use default method + pub.term_source := glBitmap_libJPEG_term_source; + + pub.bytes_in_buffer := 0; // forces fill_input_buffer on first read + pub.next_input_byte := nil; // until buffer loaded + + SrcStream := aStream; + end; + + // set global decoding state + jpeg.global_state := DSTATE_START; + + // read header of jpeg + jpeg_read_header(@jpeg, false); + + // setting output parameter + case jpeg.jpeg_color_space of + JCS_GRAYSCALE: + begin + jpeg.out_color_space := JCS_GRAYSCALE; + IntFormat := tfLuminance8; + end; + else + jpeg.out_color_space := JCS_RGB; + IntFormat := tfRGB8; + end; + + // reading image + jpeg_start_decompress(@jpeg); + + TempHeight := jpeg.output_height; + TempWidth := jpeg.output_width; + + FormatDesc := TFormatDescriptor.Get(IntFormat); + + // creating new image + GetMem(pImage, FormatDesc.GetSize(TempWidth, TempHeight)); + try + pTemp := pImage; + + for Row := 0 to TempHeight -1 do begin + jpeg_read_scanlines(@jpeg, @pTemp, 1); + Inc(pTemp, FormatDesc.GetSize(TempWidth, 1)); + end; + + // finish decompression + jpeg_finish_decompress(@jpeg); + + // destroy decompression + jpeg_destroy_decompress(@jpeg); + + SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method + + result := true; + except + if Assigned(pImage) then + FreeMem(pImage); + raise; + end; + end; + finally + quit_libJPEG; + end; +end; + +{$ELSEIF DEFINED(GLB_DELPHI_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; +var + bmp: TBitmap; + jpg: TJPEGImage; + StreamPos: Int64; + Temp: array[0..1]of Byte; +begin + result := false; + + // reading first two bytes to test file and set cursor back to begin + StreamPos := aStream.Position; + aStream.Read(Temp[0], 2); + aStream.Position := StreamPos; + + // if Bitmap then read file. + if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin + bmp := TBitmap.Create; + try + jpg := TJPEGImage.Create; + try + jpg.LoadFromStream(aStream); + bmp.Assign(jpg); + result := AssignFromBitmap(bmp); + finally + jpg.Free; + end; + finally + bmp.Free; + end; + end; +end; +{$IFEND} +{$ENDIF} + +{$IFDEF GLB_SUPPORT_JPEG_WRITE} +{$IF DEFINED(GLB_LAZ_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveJPEG(const aStream: TStream); +var + jpeg: TJPEGImage; + intf: TLazIntfImage; + raw: TRawImage; +begin + jpeg := TJPEGImage.Create; + intf := TLazIntfImage.Create(0, 0); + try + if not AssignToLazIntfImage(intf) then + raise EglBitmap.Create('unable to create LazIntfImage from glBitmap'); + intf.GetRawImage(raw); + jpeg.LoadFromRawImage(raw, false); + jpeg.SaveToStream(aStream); + finally + intf.Free; + jpeg.Free; + end; +end; + +{$ELSEIF DEFINED(GLB_LIB_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveJPEG(const aStream: TStream); +var + jpeg: jpeg_compress_struct; + jpeg_err: jpeg_error_mgr; + Row: Integer; + pTemp, pTemp2: pByte; + + procedure CopyRow(pDest, pSource: pByte); + var + X: Integer; + begin + for X := 0 to Width - 1 do begin + pByteArray(pDest)^[0] := pByteArray(pSource)^[2]; + pByteArray(pDest)^[1] := pByteArray(pSource)^[1]; + pByteArray(pDest)^[2] := pByteArray(pSource)^[0]; + Inc(pDest, 3); + Inc(pSource, 3); + end; + end; + +begin + if not (ftJPEG in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + if not init_libJPEG then + raise Exception.Create('SaveJPG - unable to initialize libJPEG.'); + + try + FillChar(jpeg{%H-}, SizeOf(jpeg_compress_struct), $00); + FillChar(jpeg_err{%H-}, SizeOf(jpeg_error_mgr), $00); + + // error managment + jpeg.err := jpeg_std_error(@jpeg_err); + jpeg_err.error_exit := glBitmap_libJPEG_error_exit; + jpeg_err.output_message := glBitmap_libJPEG_output_message; + + // compression struct + jpeg_create_compress(@jpeg); + + // allocation space for streaming methods + jpeg.dest := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_dest_mgr)); + + // seeting up custom functions + with glBitmap_libJPEG_dest_mgr_ptr(jpeg.dest)^ do begin + pub.init_destination := glBitmap_libJPEG_init_destination; + pub.empty_output_buffer := glBitmap_libJPEG_empty_output_buffer; + pub.term_destination := glBitmap_libJPEG_term_destination; + + pub.next_output_byte := @DestBuffer[1]; + pub.free_in_buffer := Length(DestBuffer); + + DestStream := aStream; + end; + + // very important state + jpeg.global_state := CSTATE_START; + jpeg.image_width := Width; + jpeg.image_height := Height; + case Format of + tfAlpha8, tfLuminance8: begin + jpeg.input_components := 1; + jpeg.in_color_space := JCS_GRAYSCALE; + end; + tfRGB8, tfBGR8: begin + jpeg.input_components := 3; + jpeg.in_color_space := JCS_RGB; + end; + end; + + jpeg_set_defaults(@jpeg); + jpeg_set_quality(@jpeg, 95, true); + jpeg_start_compress(@jpeg, true); + pTemp := Data; + + if Format = tfBGR8 then + GetMem(pTemp2, fRowSize) + else + pTemp2 := pTemp; + + try + for Row := 0 to jpeg.image_height -1 do begin + // prepare row + if Format = tfBGR8 then + CopyRow(pTemp2, pTemp) + else + pTemp2 := pTemp; + + // write row + jpeg_write_scanlines(@jpeg, @pTemp2, 1); + inc(pTemp, fRowSize); + end; + finally + // free memory + if Format = tfBGR8 then + FreeMem(pTemp2); + end; + jpeg_finish_compress(@jpeg); + jpeg_destroy_compress(@jpeg); + finally + quit_libJPEG; + end; +end; + +{$ELSEIF DEFINED(GLB_DELPHI_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveJPEG(const aStream: TStream); +var + Bmp: TBitmap; + Jpg: TJPEGImage; +begin + if not (ftJPEG in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + Bmp := TBitmap.Create; + try + Jpg := TJPEGImage.Create; + try + AssignToBitmap(Bmp); + if (Format in [tfAlpha8, tfLuminance8]) then begin + Jpg.Grayscale := true; + Jpg.PixelFormat := jf8Bit; + end; + Jpg.Assign(Bmp); + Jpg.SaveToStream(aStream); + finally + FreeAndNil(Jpg); + end; + finally + FreeAndNil(Bmp); + end; +end; +{$IFEND} +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//BMP///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +const + BMP_MAGIC = $4D42; + + BMP_COMP_RGB = 0; + BMP_COMP_RLE8 = 1; + BMP_COMP_RLE4 = 2; + BMP_COMP_BITFIELDS = 3; + +type + TBMPHeader = packed record + bfType: Word; + bfSize: Cardinal; + bfReserved1: Word; + bfReserved2: Word; + bfOffBits: Cardinal; + end; + + TBMPInfo = packed record + biSize: Cardinal; + biWidth: Longint; + biHeight: Longint; + biPlanes: Word; + biBitCount: Word; + biCompression: Cardinal; + biSizeImage: Cardinal; + biXPelsPerMeter: Longint; + biYPelsPerMeter: Longint; + biClrUsed: Cardinal; + biClrImportant: Cardinal; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadBMP(const aStream: TStream): Boolean; + + ////////////////////////////////////////////////////////////////////////////////////////////////// + function ReadInfo(out aInfo: TBMPInfo; out aMask: TglBitmapColorRec): TglBitmapFormat; + begin + result := tfEmpty; + aStream.Read(aInfo{%H-}, SizeOf(aInfo)); + FillChar(aMask{%H-}, SizeOf(aMask), 0); + + //Read Compression + case aInfo.biCompression of + BMP_COMP_RLE4, + BMP_COMP_RLE8: begin + raise EglBitmap.Create('RLE compression is not supported'); + end; + BMP_COMP_BITFIELDS: begin + if (aInfo.biBitCount = 16) or (aInfo.biBitCount = 32) then begin + aStream.Read(aMask.r, SizeOf(aMask.r)); + aStream.Read(aMask.g, SizeOf(aMask.g)); + aStream.Read(aMask.b, SizeOf(aMask.b)); + aStream.Read(aMask.a, SizeOf(aMask.a)); + end else + raise EglBitmap.Create('Bitfields are only supported for 16bit and 32bit formats'); + end; + end; + + //get suitable format + case aInfo.biBitCount of + 8: result := tfLuminance8; + 16: result := tfBGR5; + 24: result := tfBGR8; + 32: result := tfBGRA8; + end; + end; + + function ReadColorTable(var aFormat: TglBitmapFormat; const aInfo: TBMPInfo): TbmpColorTableFormat; + var + i, c: Integer; + ColorTable: TbmpColorTable; + begin + result := nil; + if (aInfo.biBitCount >= 16) then + exit; + aFormat := tfLuminance8; + c := aInfo.biClrUsed; + if (c = 0) then + c := 1 shl aInfo.biBitCount; + SetLength(ColorTable, c); + for i := 0 to c-1 do begin + aStream.Read(ColorTable[i], SizeOf(TbmpColorTableEnty)); + if (ColorTable[i].r <> ColorTable[i].g) or (ColorTable[i].g <> ColorTable[i].b) then + aFormat := tfRGB8; + end; + + result := TbmpColorTableFormat.Create; + result.PixelSize := aInfo.biBitCount / 8; + result.ColorTable := ColorTable; + result.Range := glBitmapColorRec($FF, $FF, $FF, $00); + end; + + ////////////////////////////////////////////////////////////////////////////////////////////////// + function CheckBitfields(var aFormat: TglBitmapFormat; const aMask: TglBitmapColorRec; + const aInfo: TBMPInfo): TbmpBitfieldFormat; + var + TmpFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + begin + result := nil; + if (aMask.r <> 0) or (aMask.g <> 0) or (aMask.b <> 0) or (aMask.a <> 0) then begin + for TmpFormat := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin + FormatDesc := TFormatDescriptor.Get(TmpFormat); + if FormatDesc.MaskMatch(aMask.r, aMask.g, aMask.b, aMask.a) then begin + aFormat := FormatDesc.Format; + exit; + end; + end; + + if (aMask.a = 0) and TFormatDescriptor.Get(aFormat).HasAlpha then + aFormat := TFormatDescriptor.Get(aFormat).WithoutAlpha; + if (aMask.a <> 0) and not TFormatDescriptor.Get(aFormat).HasAlpha then + aFormat := TFormatDescriptor.Get(aFormat).WithAlpha; + + result := TbmpBitfieldFormat.Create; + result.PixelSize := aInfo.biBitCount / 8; + result.RedMask := aMask.r; + result.GreenMask := aMask.g; + result.BlueMask := aMask.b; + result.AlphaMask := aMask.a; + end; + end; + +var + //simple types + StartPos: Int64; + ImageSize, rbLineSize, wbLineSize, Padding, i: Integer; + PaddingBuff: Cardinal; + LineBuf, ImageData, TmpData: PByte; + SourceMD, DestMD: Pointer; + BmpFormat: TglBitmapFormat; + + //records + Mask: TglBitmapColorRec; + Header: TBMPHeader; + Info: TBMPInfo; + + //classes + SpecialFormat: TFormatDescriptor; + FormatDesc: TFormatDescriptor; + + ////////////////////////////////////////////////////////////////////////////////////////////////// + procedure SpecialFormatReadLine(aData: PByte; aLineBuf: PByte); + var + i: Integer; + Pixel: TglBitmapPixelData; + begin + aStream.Read(aLineBuf^, rbLineSize); + SpecialFormat.PreparePixel(Pixel); + for i := 0 to Info.biWidth-1 do begin + SpecialFormat.Unmap(aLineBuf, Pixel, SourceMD); + glBitmapConvertPixel(Pixel, SpecialFormat, FormatDesc); + FormatDesc.Map(Pixel, aData, DestMD); + end; + end; + +begin + result := false; + BmpFormat := tfEmpty; + SpecialFormat := nil; + LineBuf := nil; + SourceMD := nil; + DestMD := nil; + + // Header + StartPos := aStream.Position; + aStream.Read(Header{%H-}, SizeOf(Header)); + + if Header.bfType = BMP_MAGIC then begin + try try + BmpFormat := ReadInfo(Info, Mask); + SpecialFormat := ReadColorTable(BmpFormat, Info); + if not Assigned(SpecialFormat) then + SpecialFormat := CheckBitfields(BmpFormat, Mask, Info); + aStream.Position := StartPos + Header.bfOffBits; + + if (BmpFormat <> tfEmpty) then begin + FormatDesc := TFormatDescriptor.Get(BmpFormat); + rbLineSize := Round(Info.biWidth * Info.biBitCount / 8); //ReadBuffer LineSize + wbLineSize := Trunc(Info.biWidth * FormatDesc.PixelSize); + Padding := (((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3) - rbLineSize; + + //get Memory + DestMD := FormatDesc.CreateMappingData; + ImageSize := FormatDesc.GetSize(Info.biWidth, abs(Info.biHeight)); + GetMem(ImageData, ImageSize); + if Assigned(SpecialFormat) then begin + GetMem(LineBuf, rbLineSize); //tmp Memory for converting Bitfields + SourceMD := SpecialFormat.CreateMappingData; + end; + + //read Data + try try + FillChar(ImageData^, ImageSize, $FF); + TmpData := ImageData; + if (Info.biHeight > 0) then + Inc(TmpData, wbLineSize * (Info.biHeight-1)); + for i := 0 to Abs(Info.biHeight)-1 do begin + if Assigned(SpecialFormat) then + SpecialFormatReadLine(TmpData, LineBuf) //if is special format read and convert data + else + aStream.Read(TmpData^, wbLineSize); //else only read data + if (Info.biHeight > 0) then + dec(TmpData, wbLineSize) + else + inc(TmpData, wbLineSize); + aStream.Read(PaddingBuff{%H-}, Padding); + end; + SetDataPointer(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight)); //be careful, Data could be freed by this method + result := true; + finally + if Assigned(LineBuf) then + FreeMem(LineBuf); + if Assigned(SourceMD) then + SpecialFormat.FreeMappingData(SourceMD); + FormatDesc.FreeMappingData(DestMD); + end; + except + if Assigned(ImageData) then + FreeMem(ImageData); + raise; + end; + end else + raise EglBitmap.Create('LoadBMP - No suitable format found'); + except + aStream.Position := StartPos; + raise; + end; + finally + FreeAndNil(SpecialFormat); + end; + end + else aStream.Position := StartPos; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveBMP(const aStream: TStream); +var + Header: TBMPHeader; + Info: TBMPInfo; + Converter: TFormatDescriptor; + FormatDesc: TFormatDescriptor; + SourceFD, DestFD: Pointer; + pData, srcData, dstData, ConvertBuffer: pByte; + + Pixel: TglBitmapPixelData; + ImageSize, wbLineSize, rbLineSize, Padding, LineIdx, PixelIdx: Integer; + RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; + + PaddingBuff: Cardinal; + + function GetLineWidth : Integer; + begin + result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; + end; + +begin + if not (ftBMP in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + Converter := nil; + FormatDesc := TFormatDescriptor.Get(Format); + ImageSize := FormatDesc.GetSize(Dimension); + + FillChar(Header{%H-}, SizeOf(Header), 0); + Header.bfType := BMP_MAGIC; + Header.bfSize := SizeOf(Header) + SizeOf(Info) + ImageSize; + Header.bfReserved1 := 0; + Header.bfReserved2 := 0; + Header.bfOffBits := SizeOf(Header) + SizeOf(Info); + + FillChar(Info{%H-}, SizeOf(Info), 0); + Info.biSize := SizeOf(Info); + Info.biWidth := Width; + Info.biHeight := Height; + Info.biPlanes := 1; + Info.biCompression := BMP_COMP_RGB; + Info.biSizeImage := ImageSize; + + try + case Format of + tfLuminance4: begin + Info.biBitCount := 4; + Header.bfSize := Header.bfSize + 16 * SizeOf(Cardinal); + Header.bfOffBits := Header.bfOffBits + 16 * SizeOf(Cardinal); //16 ColorTable entries + Converter := TbmpColorTableFormat.Create; + with (Converter as TbmpColorTableFormat) do begin + PixelSize := 0.5; + Format := Format; + Range := glBitmapColorRec($F, $F, $F, $0); + CreateColorTable; + end; + end; + + tfR3G3B2, tfLuminance8: begin + Info.biBitCount := 8; + Header.bfSize := Header.bfSize + 256 * SizeOf(Cardinal); + Header.bfOffBits := Header.bfOffBits + 256 * SizeOf(Cardinal); //256 ColorTable entries + Converter := TbmpColorTableFormat.Create; + with (Converter as TbmpColorTableFormat) do begin + PixelSize := 1; + Format := Format; + if (Format = tfR3G3B2) then begin + Range := glBitmapColorRec($7, $7, $3, $0); + Shift := glBitmapShiftRec(0, 3, 6, 0); + end else + Range := glBitmapColorRec($FF, $FF, $FF, $0); + CreateColorTable; + end; + end; + + tfRGB4, tfRGB5, tfR5G6B5, tfRGB5A1, tfRGBA4, + tfBGR4, tfBGR5, tfB5G6R5, tfBGR5A1, tfBGRA4: begin + Info.biBitCount := 16; + Info.biCompression := BMP_COMP_BITFIELDS; + end; + + tfBGR8, tfRGB8: begin + Info.biBitCount := 24; + if (Format = tfRGB8) then + Converter := TfdBGR8.Create; //use BGR8 Format Descriptor to Swap RGB Values + end; + + tfRGB10, tfRGB10A2, tfRGBA8, + tfBGR10, tfBGR10A2, tfBGRA8: begin + Info.biBitCount := 32; + Info.biCompression := BMP_COMP_BITFIELDS; + end; + else + raise EglBitmapUnsupportedFormat.Create(Format); + end; + Info.biXPelsPerMeter := 2835; + Info.biYPelsPerMeter := 2835; + + // prepare bitmasks + if Info.biCompression = BMP_COMP_BITFIELDS then begin + Header.bfSize := Header.bfSize + 4 * SizeOf(Cardinal); + Header.bfOffBits := Header.bfOffBits + 4 * SizeOf(Cardinal); + + RedMask := FormatDesc.RedMask; + GreenMask := FormatDesc.GreenMask; + BlueMask := FormatDesc.BlueMask; + AlphaMask := FormatDesc.AlphaMask; + end; + + // headers + aStream.Write(Header, SizeOf(Header)); + aStream.Write(Info, SizeOf(Info)); + + // colortable + if Assigned(Converter) and (Converter is TbmpColorTableFormat) then + with (Converter as TbmpColorTableFormat) do + aStream.Write(ColorTable[0].b, + SizeOf(TbmpColorTableEnty) * Length(ColorTable)); + + // bitmasks + if Info.biCompression = BMP_COMP_BITFIELDS then begin + aStream.Write(RedMask, SizeOf(Cardinal)); + aStream.Write(GreenMask, SizeOf(Cardinal)); + aStream.Write(BlueMask, SizeOf(Cardinal)); + aStream.Write(AlphaMask, SizeOf(Cardinal)); + end; + + // image data + rbLineSize := Round(Info.biWidth * FormatDesc.PixelSize); + wbLineSize := Round(Info.biWidth * Info.biBitCount / 8); + Padding := GetLineWidth - wbLineSize; + PaddingBuff := 0; + + pData := Data; + inc(pData, (Height-1) * rbLineSize); + + // prepare row buffer. But only for RGB because RGBA supports color masks + // so it's possible to change color within the image. + if Assigned(Converter) then begin + FormatDesc.PreparePixel(Pixel); + GetMem(ConvertBuffer, wbLineSize); + SourceFD := FormatDesc.CreateMappingData; + DestFD := Converter.CreateMappingData; + end else + ConvertBuffer := nil; + + try + for LineIdx := 0 to Height - 1 do begin + // preparing row + if Assigned(Converter) then begin + srcData := pData; + dstData := ConvertBuffer; + for PixelIdx := 0 to Info.biWidth-1 do begin + FormatDesc.Unmap(srcData, Pixel, SourceFD); + glBitmapConvertPixel(Pixel, FormatDesc, Converter); + Converter.Map(Pixel, dstData, DestFD); + end; + aStream.Write(ConvertBuffer^, wbLineSize); + end else begin + aStream.Write(pData^, rbLineSize); + end; + dec(pData, rbLineSize); + if (Padding > 0) then + aStream.Write(PaddingBuff, Padding); + end; + finally + // destroy row buffer + if Assigned(ConvertBuffer) then begin + FormatDesc.FreeMappingData(SourceFD); + Converter.FreeMappingData(DestFD); + FreeMem(ConvertBuffer); + end; + end; + finally + if Assigned(Converter) then + Converter.Free; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TGA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +type + TTGAHeader = packed record + ImageID: Byte; + ColorMapType: Byte; + ImageType: Byte; + //ColorMapSpec: Array[0..4] of Byte; + ColorMapStart: Word; + ColorMapLength: Word; + ColorMapEntrySize: Byte; + OrigX: Word; + OrigY: Word; + Width: Word; + Height: Word; + Bpp: Byte; + ImageDesc: Byte; + end; + +const + TGA_UNCOMPRESSED_RGB = 2; + TGA_UNCOMPRESSED_GRAY = 3; + TGA_COMPRESSED_RGB = 10; + TGA_COMPRESSED_GRAY = 11; + + TGA_NONE_COLOR_TABLE = 0; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadTGA(const aStream: TStream): Boolean; +var + Header: TTGAHeader; + ImageData: System.PByte; + StartPosition: Int64; + PixelSize, LineSize: Integer; + tgaFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + Counter: packed record + X, Y: packed record + low, high, dir: Integer; + end; + end; + +const + CACHE_SIZE = $4000; + + //////////////////////////////////////////////////////////////////////////////////////// + procedure ReadUncompressed; + var + i, j: Integer; + buf, tmp1, tmp2: System.PByte; + begin + buf := nil; + if (Counter.X.dir < 0) then + GetMem(buf, LineSize); + try + while (Counter.Y.low <> Counter.Y.high + counter.Y.dir) do begin + tmp1 := ImageData; + inc(tmp1, (Counter.Y.low * LineSize)); //pointer to LineStart + if (Counter.X.dir < 0) then begin //flip X + aStream.Read(buf^, LineSize); + tmp2 := buf; + inc(tmp2, LineSize - PixelSize); //pointer to last pixel in line + for i := 0 to Header.Width-1 do begin //for all pixels in line + for j := 0 to PixelSize-1 do begin //for all bytes in pixel + tmp1^ := tmp2^; + inc(tmp1); + inc(tmp2); + end; + dec(tmp2, 2*PixelSize); //move 2 backwards, because j-loop moved 1 forward + end; + end else + aStream.Read(tmp1^, LineSize); + inc(Counter.Y.low, Counter.Y.dir); //move to next line index + end; + finally + if Assigned(buf) then + FreeMem(buf); + end; + end; + + //////////////////////////////////////////////////////////////////////////////////////// + procedure ReadCompressed; + + ///////////////////////////////////////////////////////////////// + var + TmpData: System.PByte; + LinePixelsRead: Integer; + procedure CheckLine; + begin + if (LinePixelsRead >= Header.Width) then begin + LinePixelsRead := 0; + inc(Counter.Y.low, Counter.Y.dir); //next line index + TmpData := ImageData; + inc(TmpData, Counter.Y.low * LineSize); //set line + if (Counter.X.dir < 0) then //if x flipped then + inc(TmpData, LineSize - PixelSize); //set last pixel + end; + end; + + ///////////////////////////////////////////////////////////////// + var + Cache: PByte; + CacheSize, CachePos: Integer; + procedure CachedRead(out Buffer; Count: Integer); + var + BytesRead: Integer; + begin + if (CachePos + Count > CacheSize) then begin + //if buffer overflow save non read bytes + BytesRead := 0; + if (CacheSize - CachePos > 0) then begin + BytesRead := CacheSize - CachePos; + Move(PByteArray(Cache)^[CachePos], Buffer{%H-}, BytesRead); + inc(CachePos, BytesRead); + end; + + //load cache from file + CacheSize := Min(CACHE_SIZE, aStream.Size - aStream.Position); + aStream.Read(Cache^, CacheSize); + CachePos := 0; + + //read rest of requested bytes + if (Count - BytesRead > 0) then begin + Move(PByteArray(Cache)^[CachePos], TByteArray(Buffer)[BytesRead], Count - BytesRead); + inc(CachePos, Count - BytesRead); + end; + end else begin + //if no buffer overflow just read the data + Move(PByteArray(Cache)^[CachePos], Buffer, Count); + inc(CachePos, Count); + end; + end; + + procedure PixelToBuffer(const aData: PByte; var aBuffer: PByte); + begin + case PixelSize of + 1: begin + aBuffer^ := aData^; + inc(aBuffer, Counter.X.dir); + end; + 2: begin + PWord(aBuffer)^ := PWord(aData)^; + inc(aBuffer, 2 * Counter.X.dir); + end; + 3: begin + PByteArray(aBuffer)^[0] := PByteArray(aData)^[0]; + PByteArray(aBuffer)^[1] := PByteArray(aData)^[1]; + PByteArray(aBuffer)^[2] := PByteArray(aData)^[2]; + inc(aBuffer, 3 * Counter.X.dir); + end; + 4: begin + PCardinal(aBuffer)^ := PCardinal(aData)^; + inc(aBuffer, 4 * Counter.X.dir); + end; + end; + end; + + var + TotalPixelsToRead, TotalPixelsRead: Integer; + Temp: Byte; + buf: array [0..3] of Byte; //1 pixel is max 32bit long + PixelRepeat: Boolean; + PixelsToRead, PixelCount: Integer; + begin + CacheSize := 0; + CachePos := 0; + + TotalPixelsToRead := Header.Width * Header.Height; + TotalPixelsRead := 0; + LinePixelsRead := 0; + + GetMem(Cache, CACHE_SIZE); + try + TmpData := ImageData; + inc(TmpData, Counter.Y.low * LineSize); //set line + if (Counter.X.dir < 0) then //if x flipped then + inc(TmpData, LineSize - PixelSize); //set last pixel + + repeat + //read CommandByte + CachedRead(Temp, 1); + PixelRepeat := (Temp and $80) > 0; + PixelsToRead := (Temp and $7F) + 1; + inc(TotalPixelsRead, PixelsToRead); + + if PixelRepeat then + CachedRead(buf[0], PixelSize); + while (PixelsToRead > 0) do begin + CheckLine; + PixelCount := Min(Header.Width - LinePixelsRead, PixelsToRead); //max read to EOL or EOF + while (PixelCount > 0) do begin + if not PixelRepeat then + CachedRead(buf[0], PixelSize); + PixelToBuffer(@buf[0], TmpData); + inc(LinePixelsRead); + dec(PixelsToRead); + dec(PixelCount); + end; + end; + until (TotalPixelsRead >= TotalPixelsToRead); + finally + FreeMem(Cache); + end; + end; + + function IsGrayFormat: Boolean; + begin + result := Header.ImageType in [TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_GRAY]; + end; + +begin + result := false; + + // reading header to test file and set cursor back to begin + StartPosition := aStream.Position; + aStream.Read(Header{%H-}, SizeOf(Header)); + + // no colormapped files + if (Header.ColorMapType = TGA_NONE_COLOR_TABLE) and (Header.ImageType in [ + TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY]) then + begin + try + if Header.ImageID <> 0 then // skip image ID + aStream.Position := aStream.Position + Header.ImageID; + + tgaFormat := tfEmpty; + case Header.Bpp of + 8: if IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfLuminance8; + 8: tgaFormat := tfAlpha8; + end; + + 16: if IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfLuminance16; + 8: tgaFormat := tfLuminance8Alpha8; + end else case (Header.ImageDesc and $F) of + 0: tgaFormat := tfBGR5; + 1: tgaFormat := tfBGR5A1; + 4: tgaFormat := tfBGRA4; + end; + + 24: if not IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfBGR8; + end; + + 32: if not IsGrayFormat then case (Header.ImageDesc and $F) of + 2: tgaFormat := tfBGR10A2; + 8: tgaFormat := tfBGRA8; + end; + end; + + if (tgaFormat = tfEmpty) then + raise EglBitmap.Create('LoadTga - unsupported format'); + + FormatDesc := TFormatDescriptor.Get(tgaFormat); + PixelSize := FormatDesc.GetSize(1, 1); + LineSize := FormatDesc.GetSize(Header.Width, 1); + + GetMem(ImageData, LineSize * Header.Height); + try + //column direction + if ((Header.ImageDesc and (1 shl 4)) > 0) then begin + Counter.X.low := Header.Height-1;; + Counter.X.high := 0; + Counter.X.dir := -1; + end else begin + Counter.X.low := 0; + Counter.X.high := Header.Height-1; + Counter.X.dir := 1; + end; + + // Row direction + if ((Header.ImageDesc and (1 shl 5)) > 0) then begin + Counter.Y.low := 0; + Counter.Y.high := Header.Height-1; + Counter.Y.dir := 1; + end else begin + Counter.Y.low := Header.Height-1;; + Counter.Y.high := 0; + Counter.Y.dir := -1; + end; + + // Read Image + case Header.ImageType of + TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY: + ReadUncompressed; + TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY: + ReadCompressed; + end; + + SetDataPointer(ImageData, tgaFormat, Header.Width, Header.Height); //be careful, Data could be freed by this method + result := true; + except + if Assigned(ImageData) then + FreeMem(ImageData); + raise; + end; + finally + aStream.Position := StartPosition; + end; + end + else aStream.Position := StartPosition; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveTGA(const aStream: TStream); +var + Header: TTGAHeader; + LineSize, Size, x, y: Integer; + Pixel: TglBitmapPixelData; + LineBuf, SourceData, DestData: PByte; + SourceMD, DestMD: Pointer; + FormatDesc: TFormatDescriptor; + Converter: TFormatDescriptor; +begin + if not (ftTGA in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + //prepare header + FillChar(Header{%H-}, SizeOf(Header), 0); + + //set ImageType + if (Format in [tfLuminance8, tfLuminance6Alpha2, tfLuminance4Alpha4, tfAlpha8, + tfLuminance16, tfLuminance12Alpha4, tfLuminance8Alpha8]) then + Header.ImageType := TGA_UNCOMPRESSED_GRAY + else + Header.ImageType := TGA_UNCOMPRESSED_RGB; + + //set BitsPerPixel + if (Format in [tfLuminance8, tfLuminance6Alpha2, tfLuminance4Alpha4, tfAlpha8]) then + Header.Bpp := 8 + else if (Format in [tfLuminance16, tfLuminance12Alpha4, tfLuminance8Alpha8, + tfRGB5, tfBGR5, tfRGB5A1, tfBGR5A1, tfRGBA4, tfBGRA4]) then + Header.Bpp := 16 + else if (Format in [tfBGR8, tfRGB8]) then + Header.Bpp := 24 + else + Header.Bpp := 32; + + //set AlphaBitCount + case Format of + tfRGB5A1, tfBGR5A1: + Header.ImageDesc := 1 and $F; + tfRGB10A2, tfBGR10A2: + Header.ImageDesc := 2 and $F; + tfRGBA4, tfBGRA4: + Header.ImageDesc := 4 and $F; + tfAlpha8, tfLuminance8Alpha8, tfRGBA8, tfBGRA8: + Header.ImageDesc := 8 and $F; + end; + + Header.Width := Width; + Header.Height := Height; + Header.ImageDesc := Header.ImageDesc or $20; //flip y + aStream.Write(Header, SizeOf(Header)); + + // convert RGB(A) to BGR(A) + Converter := nil; + FormatDesc := TFormatDescriptor.Get(Format); + Size := FormatDesc.GetSize(Dimension); + if Format in [tfRGB5, tfRGB5A1, tfRGBA4, tfRGB8, tfRGB10A2, tfRGBA8] then begin + if (FormatDesc.RGBInverted = tfEmpty) then + raise EglBitmap.Create('inverted RGB format is empty'); + Converter := TFormatDescriptor.Get(FormatDesc.RGBInverted); + if not glBitmapColorRecCmp(Converter.Range, FormatDesc.Range) or + (Converter.PixelSize <> FormatDesc.PixelSize) then + raise EglBitmap.Create('invalid inverted RGB format'); + end; + + if Assigned(Converter) then begin + LineSize := FormatDesc.GetSize(Width, 1); + GetMem(LineBuf, LineSize); + SourceMD := FormatDesc.CreateMappingData; + DestMD := Converter.CreateMappingData; + try + SourceData := Data; + for y := 0 to Height-1 do begin + DestData := LineBuf; + for x := 0 to Width-1 do begin + FormatDesc.Unmap(SourceData, Pixel, SourceMD); + Converter.Map(Pixel, DestData, DestMD); + end; + aStream.Write(LineBuf^, LineSize); + end; + finally + FreeMem(LineBuf); + FormatDesc.FreeMappingData(SourceMD); + FormatDesc.FreeMappingData(DestMD); + end; + end else + aStream.Write(Data^, Size); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//DDS///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +const + DDS_MAGIC: Cardinal = $20534444; + + // DDS_header.dwFlags + DDSD_CAPS = $00000001; + DDSD_HEIGHT = $00000002; + DDSD_WIDTH = $00000004; + DDSD_PIXELFORMAT = $00001000; + + // DDS_header.sPixelFormat.dwFlags + DDPF_ALPHAPIXELS = $00000001; + DDPF_ALPHA = $00000002; + DDPF_FOURCC = $00000004; + DDPF_RGB = $00000040; + DDPF_LUMINANCE = $00020000; + + // DDS_header.sCaps.dwCaps1 + DDSCAPS_TEXTURE = $00001000; + + // DDS_header.sCaps.dwCaps2 + DDSCAPS2_CUBEMAP = $00000200; + + D3DFMT_DXT1 = $31545844; + D3DFMT_DXT3 = $33545844; + D3DFMT_DXT5 = $35545844; + +type + TDDSPixelFormat = packed record + dwSize: Cardinal; + dwFlags: Cardinal; + dwFourCC: Cardinal; + dwRGBBitCount: Cardinal; + dwRBitMask: Cardinal; + dwGBitMask: Cardinal; + dwBBitMask: Cardinal; + dwABitMask: Cardinal; + end; + + TDDSCaps = packed record + dwCaps1: Cardinal; + dwCaps2: Cardinal; + dwDDSX: Cardinal; + dwReserved: Cardinal; + end; + + TDDSHeader = packed record + dwSize: Cardinal; + dwFlags: Cardinal; + dwHeight: Cardinal; + dwWidth: Cardinal; + dwPitchOrLinearSize: Cardinal; + dwDepth: Cardinal; + dwMipMapCount: Cardinal; + dwReserved: array[0..10] of Cardinal; + PixelFormat: TDDSPixelFormat; + Caps: TDDSCaps; + dwReserved2: Cardinal; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadDDS(const aStream: TStream): Boolean; +var + Header: TDDSHeader; + Converter: TbmpBitfieldFormat; + + function GetDDSFormat: TglBitmapFormat; + var + fd: TFormatDescriptor; + i: Integer; + Range: TglBitmapColorRec; + match: Boolean; + begin + result := tfEmpty; + with Header.PixelFormat do begin + // Compresses + if ((dwFlags and DDPF_FOURCC) > 0) then begin + case Header.PixelFormat.dwFourCC of + D3DFMT_DXT1: result := tfS3tcDtx1RGBA; + D3DFMT_DXT3: result := tfS3tcDtx3RGBA; + D3DFMT_DXT5: result := tfS3tcDtx5RGBA; + end; + end else if ((Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS or DDPF_LUMINANCE)) > 0) then begin + + //find matching format + for result := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin + fd := TFormatDescriptor.Get(result); + if fd.MaskMatch(dwRBitMask, dwGBitMask, dwBBitMask, dwABitMask) and + (8 * fd.PixelSize = dwRGBBitCount) then + exit; + end; + + //find format with same Range + Range.r := dwRBitMask; + Range.g := dwGBitMask; + Range.b := dwBBitMask; + Range.a := dwABitMask; + for i := 0 to 3 do begin + while ((Range.arr[i] and 1) = 0) and (Range.arr[i] > 0) do + Range.arr[i] := Range.arr[i] shr 1; + end; + for result := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin + fd := TFormatDescriptor.Get(result); + match := true; + for i := 0 to 3 do + if (fd.Range.arr[i] <> Range.arr[i]) then begin + match := false; + break; + end; + if match then + break; + end; + + //no format with same range found -> use default + if (result = tfEmpty) then begin + if (dwABitMask > 0) then + result := tfBGRA8 + else + result := tfBGR8; + end; + + Converter := TbmpBitfieldFormat.Create; + Converter.RedMask := dwRBitMask; + Converter.GreenMask := dwGBitMask; + Converter.BlueMask := dwBBitMask; + Converter.AlphaMask := dwABitMask; + Converter.PixelSize := dwRGBBitCount / 8; + end; + end; + end; + +var + StreamPos: Int64; + x, y, LineSize, RowSize, Magic: Cardinal; + NewImage, TmpData, RowData, SrcData: System.PByte; + SourceMD, DestMD: Pointer; + Pixel: TglBitmapPixelData; + ddsFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + +begin + result := false; + Converter := nil; + StreamPos := aStream.Position; + + // Magic + aStream.Read(Magic{%H-}, sizeof(Magic)); + if (Magic <> DDS_MAGIC) then begin + aStream.Position := StreamPos; + exit; + end; + + //Header + aStream.Read(Header{%H-}, sizeof(Header)); + if (Header.dwSize <> SizeOf(Header)) or + ((Header.dwFlags and (DDSD_PIXELFORMAT or DDSD_CAPS or DDSD_WIDTH or DDSD_HEIGHT)) <> + (DDSD_PIXELFORMAT or DDSD_CAPS or DDSD_WIDTH or DDSD_HEIGHT)) then + begin + aStream.Position := StreamPos; + exit; + end; + + if ((Header.Caps.dwCaps1 and DDSCAPS2_CUBEMAP) > 0) then + raise EglBitmap.Create('LoadDDS - CubeMaps are not supported'); + + ddsFormat := GetDDSFormat; + try + if (ddsFormat = tfEmpty) then + raise EglBitmap.Create('LoadDDS - unsupported Pixelformat found.'); + + FormatDesc := TFormatDescriptor.Get(ddsFormat); + LineSize := Trunc(Header.dwWidth * FormatDesc.PixelSize); + GetMem(NewImage, Header.dwHeight * LineSize); + try + TmpData := NewImage; + + //Converter needed + if Assigned(Converter) then begin + RowSize := Round(Header.dwWidth * Header.PixelFormat.dwRGBBitCount / 8); + GetMem(RowData, RowSize); + SourceMD := Converter.CreateMappingData; + DestMD := FormatDesc.CreateMappingData; + try + for y := 0 to Header.dwHeight-1 do begin + TmpData := NewImage; + inc(TmpData, y * LineSize); + SrcData := RowData; + aStream.Read(SrcData^, RowSize); + for x := 0 to Header.dwWidth-1 do begin + Converter.Unmap(SrcData, Pixel, SourceMD); + glBitmapConvertPixel(Pixel, Converter, FormatDesc); + FormatDesc.Map(Pixel, TmpData, DestMD); + end; + end; + finally + Converter.FreeMappingData(SourceMD); + FormatDesc.FreeMappingData(DestMD); + FreeMem(RowData); + end; + end else + + // Compressed + if ((Header.PixelFormat.dwFlags and DDPF_FOURCC) > 0) then begin + RowSize := Header.dwPitchOrLinearSize div Header.dwWidth; + for Y := 0 to Header.dwHeight-1 do begin + aStream.Read(TmpData^, RowSize); + Inc(TmpData, LineSize); + end; + end else + + // Uncompressed + if (Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS or DDPF_LUMINANCE)) > 0 then begin + RowSize := (Header.PixelFormat.dwRGBBitCount * Header.dwWidth) shr 3; + for Y := 0 to Header.dwHeight-1 do begin + aStream.Read(TmpData^, RowSize); + Inc(TmpData, LineSize); + end; + end else + raise EglBitmap.Create('LoadDDS - unsupported Pixelformat found.'); + + SetDataPointer(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); //be careful, Data could be freed by this method + result := true; + except + if Assigned(NewImage) then + FreeMem(NewImage); + raise; + end; + finally + FreeAndNil(Converter); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveDDS(const aStream: TStream); +var + Header: TDDSHeader; + FormatDesc: TFormatDescriptor; +begin + if not (ftDDS in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormat.Create(Format); + + FormatDesc := TFormatDescriptor.Get(Format); + + // Generell + FillChar(Header{%H-}, SizeOf(Header), 0); + Header.dwSize := SizeOf(Header); + Header.dwFlags := DDSD_WIDTH or DDSD_HEIGHT or DDSD_CAPS or DDSD_PIXELFORMAT; + + Header.dwWidth := Max(1, Width); + Header.dwHeight := Max(1, Height); + + // Caps + Header.Caps.dwCaps1 := DDSCAPS_TEXTURE; + + // Pixelformat + Header.PixelFormat.dwSize := sizeof(Header); + if (FormatDesc.IsCompressed) then begin + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_FOURCC; + case Format of + tfS3tcDtx1RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT1; + tfS3tcDtx3RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT3; + tfS3tcDtx5RGBA: Header.PixelFormat.dwFourCC := D3DFMT_DXT5; + end; + end else if (Format in [tfAlpha8, tfAlpha16]) then begin + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHA; + Header.PixelFormat.dwRGBBitCount := Round(FormatDesc.PixelSize * 8); + Header.PixelFormat.dwABitMask := FormatDesc.AlphaMask; + end else if (FormatDesc.RedMask = FormatDesc.GreenMask) and (FormatDesc.GreenMask = FormatDesc.BlueMask) then begin + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_LUMINANCE; + Header.PixelFormat.dwRGBBitCount := Round(FormatDesc.PixelSize * 8); + Header.PixelFormat.dwRBitMask := FormatDesc.RedMask; + Header.PixelFormat.dwABitMask := FormatDesc.AlphaMask; + end else begin + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_RGB; + Header.PixelFormat.dwRGBBitCount := Round(FormatDesc.PixelSize * 8); + Header.PixelFormat.dwRBitMask := FormatDesc.RedMask; + Header.PixelFormat.dwGBitMask := FormatDesc.GreenMask; + Header.PixelFormat.dwBBitMask := FormatDesc.BlueMask; + Header.PixelFormat.dwABitMask := FormatDesc.AlphaMask; + end; + + if (FormatDesc.HasAlpha) then + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS; + + aStream.Write(DDS_MAGIC, sizeof(DDS_MAGIC)); + aStream.Write(Header, SizeOf(Header)); + aStream.Write(Data^, FormatDesc.GetSize(Dimension)); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap1D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer; const aHeight: Integer); +var + pTemp: pByte; + Size: Integer; +begin + if (aHeight > 1) then begin + Size := TFormatDescriptor.Get(aFormat).GetSize(aWidth, 1); + GetMem(pTemp, Size); + try + Move(aData^, pTemp^, Size); + FreeMem(aData); + aData := nil; + except + FreeMem(pTemp); + raise; + end; + end else + pTemp := aData; + inherited SetDataPointer(pTemp, aFormat, aWidth); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap1D.FlipHorz: Boolean; +var + Col: Integer; + pTempDest, pDest, pSource: PByte; +begin + result := inherited FlipHorz; + if Assigned(Data) and not TFormatDescriptor.Get(Format).IsCompressed then begin + pSource := Data; + GetMem(pDest, fRowSize); + try + pTempDest := pDest; + Inc(pTempDest, fRowSize); + for Col := 0 to Width-1 do begin + dec(pTempDest, fPixelSize); //dec before, because ptr is behind last byte of data + Move(pSource^, pTempDest^, fPixelSize); + Inc(pSource, fPixelSize); + end; + SetDataPointer(pDest, Format, Width); //be careful, Data could be freed by this method + result := true; + except + if Assigned(pDest) then + FreeMem(pDest); + raise; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.UploadData(const aBuildWithGlu: Boolean); +var + FormatDesc: TFormatDescriptor; +begin + // Upload data + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed then begin + if not Assigned(glCompressedTexImage1D) then + raise EglBitmap.Create('compressed formats not supported by video adapter'); + glCompressedTexImage1D(Target, 0, FormatDesc.glInternalFormat, Width, 0, FormatDesc.GetSize(Width, 1), Data) + end else if aBuildWithGlu then + gluBuild1DMipmaps(Target, FormatDesc.glInternalFormat, Width, FormatDesc.glFormat, FormatDesc.glDataFormat, Data) + else + glTexImage1D(Target, 0, FormatDesc.glInternalFormat, Width, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Data); + + // Free Data + if (FreeDataAfterGenTexture) then + FreeData; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.GenTexture(const aTestTextureSize: Boolean); +var + BuildWithGlu, TexRec: Boolean; + TexSize: Integer; +begin + if Assigned(Data) then begin + // Check Texture Size + if (aTestTextureSize) then begin + glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); + + if (Width > TexSize) then + raise EglBitmapSizeToLarge.Create('TglBitmap1D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); + + TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and + (Target = GL_TEXTURE_RECTANGLE); + if not (IsPowerOfTwo(Width) or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then + raise EglBitmapNonPowerOfTwo.Create('TglBitmap1D.GenTexture - Rendercontex dosn''t support non power of two texture.'); + end; + + CreateId; + SetupParameters(BuildWithGlu); + UploadData(BuildWithGlu); + glAreTexturesResident(1, @fID, @fIsResident); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap1D.AfterConstruction; +begin + inherited; + Target := GL_TEXTURE_1D; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap2D///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap2D.GetScanline(const aIndex: Integer): Pointer; +begin + if (aIndex >= Low(fLines)) and (aIndex <= High(fLines)) then + result := fLines[aIndex] + else + result := nil; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.SetDataPointer(var aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer; const aHeight: Integer); +var + Idx, LineWidth: Integer; +begin + inherited SetDataPointer(aData, aFormat, aWidth, aHeight); + + if not TFormatDescriptor.Get(aFormat).IsCompressed then begin + // Assigning Data + if Assigned(Data) then begin + SetLength(fLines, GetHeight); + LineWidth := Trunc(GetWidth * TFormatDescriptor.Get(Format).PixelSize); + + for Idx := 0 to GetHeight-1 do begin + fLines[Idx] := Data; + Inc(fLines[Idx], Idx * LineWidth); + end; + end + else SetLength(fLines, 0); + end else begin + SetLength(fLines, 0); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.UploadData(const aTarget: GLenum; const aBuildWithGlu: Boolean); +var + FormatDesc: TFormatDescriptor; +begin + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + FormatDesc := TFormatDescriptor.Get(Format); + if FormatDesc.IsCompressed then begin + if not Assigned(glCompressedTexImage2D) then + raise EglBitmap.Create('compressed formats not supported by video adapter'); + glCompressedTexImage2D(aTarget, 0, FormatDesc.glInternalFormat, Width, Height, 0, FormatDesc.GetSize(fDimension), Data) + end else if aBuildWithGlu then begin + gluBuild2DMipmaps(aTarget, FormatDesc.Components, Width, Height, + FormatDesc.glFormat, FormatDesc.glDataFormat, Data) + end else begin + glTexImage2D(aTarget, 0, FormatDesc.glInternalFormat, Width, Height, 0, + FormatDesc.glFormat, FormatDesc.glDataFormat, Data); + end; + + // Freigeben + if (FreeDataAfterGenTexture) then + FreeData; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.AfterConstruction; +begin + inherited; + Target := GL_TEXTURE_2D; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat); +var + Temp: pByte; + Size, w, h: Integer; + FormatDesc: TFormatDescriptor; +begin + FormatDesc := TFormatDescriptor.Get(aFormat); + if FormatDesc.IsCompressed then + raise EglBitmapUnsupportedFormat.Create(aFormat); + + w := aRight - aLeft; + h := aBottom - aTop; + Size := FormatDesc.GetSize(w, h); + GetMem(Temp, Size); + try + glPixelStorei(GL_PACK_ALIGNMENT, 1); + glReadPixels(aLeft, aTop, w, h, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); + SetDataPointer(Temp, aFormat, w, h); //be careful, Data could be freed by this method + FlipVert; + except + if Assigned(Temp) then + FreeMem(Temp); + raise; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.GetDataFromTexture; +var + Temp: PByte; + TempWidth, TempHeight: Integer; + TempIntFormat: GLint; + IntFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; +begin + Bind; + + // Request Data + glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_WIDTH, @TempWidth); + glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_HEIGHT, @TempHeight); + glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_INTERNAL_FORMAT, @TempIntFormat); + + IntFormat := tfEmpty; + FormatDesc := (TglBitmapFormatDescriptor.GetByFormat(TempIntFormat) as TFormatDescriptor); + IntFormat := FormatDesc.Format; + + // Getting data from OpenGL + FormatDesc := TFormatDescriptor.Get(IntFormat); + GetMem(Temp, FormatDesc.GetSize(TempWidth, TempHeight)); + try + if FormatDesc.IsCompressed then begin + if not Assigned(glGetCompressedTexImage) then + raise EglBitmap.Create('compressed formats not supported by video adapter'); + glGetCompressedTexImage(Target, 0, Temp) + end else + glGetTexImage(Target, 0, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp); + SetDataPointer(Temp, IntFormat, TempWidth, TempHeight); //be careful, Data could be freed by this method + except + if Assigned(Temp) then + FreeMem(Temp); + raise; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.GenTexture(const aTestTextureSize: Boolean); +var + BuildWithGlu, PotTex, TexRec: Boolean; + TexSize: Integer; +begin + if Assigned(Data) then begin + // Check Texture Size + if (aTestTextureSize) then begin + glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); + + if ((Height > TexSize) or (Width > TexSize)) then + raise EglBitmapSizeToLarge.Create('TglBitmap2D.GenTexture - The size for the texture is to large. It''s may be not conform with the Hardware.'); + + PotTex := IsPowerOfTwo(Height) and IsPowerOfTwo(Width); + TexRec := (GL_ARB_texture_rectangle or GL_EXT_texture_rectangle or GL_NV_texture_rectangle) and (Target = GL_TEXTURE_RECTANGLE); + if not (PotTex or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then + raise EglBitmapNonPowerOfTwo.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.'); + end; + + CreateId; + SetupParameters(BuildWithGlu); + UploadData(Target, BuildWithGlu); + glAreTexturesResident(1, @fID, @fIsResident); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap2D.FlipHorz: Boolean; +var + Col, Row: Integer; + TempDestData, DestData, SourceData: PByte; + ImgSize: Integer; +begin + result := inherited FlipHorz; + if Assigned(Data) then begin + SourceData := Data; + ImgSize := Height * fRowSize; + GetMem(DestData, ImgSize); + try + TempDestData := DestData; + Dec(TempDestData, fRowSize + fPixelSize); + for Row := 0 to Height -1 do begin + Inc(TempDestData, fRowSize * 2); + for Col := 0 to Width -1 do begin + Move(SourceData^, TempDestData^, fPixelSize); + Inc(SourceData, fPixelSize); + Dec(TempDestData, fPixelSize); + end; + end; + SetDataPointer(DestData, Format, Width, Height); //be careful, Data could be freed by this method + result := true; + except + if Assigned(DestData) then + FreeMem(DestData); + raise; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap2D.FlipVert: Boolean; +var + Row: Integer; + TempDestData, DestData, SourceData: PByte; +begin + result := inherited FlipVert; + if Assigned(Data) then begin + SourceData := Data; + GetMem(DestData, Height * fRowSize); + try + TempDestData := DestData; + Inc(TempDestData, Width * (Height -1) * fPixelSize); + for Row := 0 to Height -1 do begin + Move(SourceData^, TempDestData^, fRowSize); + Dec(TempDestData, fRowSize); + Inc(SourceData, fRowSize); + end; + SetDataPointer(DestData, Format, Width, Height); //be careful, Data could be freed by this method + result := true; + except + if Assigned(DestData) then + FreeMem(DestData); + raise; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap2D - ToNormalMap/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +type + TMatrixItem = record + X, Y: Integer; + W: Single; + end; + + PglBitmapToNormalMapRec = ^TglBitmapToNormalMapRec; + TglBitmapToNormalMapRec = Record + Scale: Single; + Heights: array of Single; + MatrixU : array of TMatrixItem; + MatrixV : array of TMatrixItem; + end; + +const + ONE_OVER_255 = 1 / 255; + + ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapPrepareFunc(var FuncRec: TglBitmapFunctionRec); +var + Val: Single; +begin + with FuncRec do begin + Val := + Source.Data.r * LUMINANCE_WEIGHT_R + + Source.Data.g * LUMINANCE_WEIGHT_G + + Source.Data.b * LUMINANCE_WEIGHT_B; + PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Val * ONE_OVER_255; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapPrepareAlphaFunc(var FuncRec: TglBitmapFunctionRec); +begin + with FuncRec do + PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Source.Data.a * ONE_OVER_255; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapFunc (var FuncRec: TglBitmapFunctionRec); +type + TVec = Array[0..2] of Single; +var + Idx: Integer; + du, dv: Double; + Len: Single; + Vec: TVec; + + function GetHeight(X, Y: Integer): Single; + begin + with FuncRec do begin + X := Max(0, Min(Size.X -1, X)); + Y := Max(0, Min(Size.Y -1, Y)); + result := PglBitmapToNormalMapRec(Args)^.Heights[Y * Size.X + X]; + end; + end; + +begin + with FuncRec do begin + with PglBitmapToNormalMapRec(Args)^ do begin + du := 0; + for Idx := Low(MatrixU) to High(MatrixU) do + du := du + GetHeight(Position.X + MatrixU[Idx].X, Position.Y + MatrixU[Idx].Y) * MatrixU[Idx].W; + + dv := 0; + for Idx := Low(MatrixU) to High(MatrixU) do + dv := dv + GetHeight(Position.X + MatrixV[Idx].X, Position.Y + MatrixV[Idx].Y) * MatrixV[Idx].W; + + Vec[0] := -du * Scale; + Vec[1] := -dv * Scale; + Vec[2] := 1; + end; + + // Normalize + Len := 1 / Sqrt(Sqr(Vec[0]) + Sqr(Vec[1]) + Sqr(Vec[2])); + if Len <> 0 then begin + Vec[0] := Vec[0] * Len; + Vec[1] := Vec[1] * Len; + Vec[2] := Vec[2] * Len; + end; + + // Farbe zuweisem + Dest.Data.r := Trunc((Vec[0] + 1) * 127.5); + Dest.Data.g := Trunc((Vec[1] + 1) * 127.5); + Dest.Data.b := Trunc((Vec[2] + 1) * 127.5); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.ToNormalMap(const aFunc: TglBitmapNormalMapFunc; const aScale: Single; const aUseAlpha: Boolean); +var + Rec: TglBitmapToNormalMapRec; + + procedure SetEntry (var Matrix: array of TMatrixItem; Index, X, Y: Integer; W: Single); + begin + if (Index >= Low(Matrix)) and (Index <= High(Matrix)) then begin + Matrix[Index].X := X; + Matrix[Index].Y := Y; + Matrix[Index].W := W; + end; + end; + +begin + if TFormatDescriptor.Get(Format).IsCompressed then + raise EglBitmapUnsupportedFormat.Create(Format); + + if aScale > 100 then + Rec.Scale := 100 + else if aScale < -100 then + Rec.Scale := -100 + else + Rec.Scale := aScale; + + SetLength(Rec.Heights, Width * Height); + try + case aFunc of + nm4Samples: begin + SetLength(Rec.MatrixU, 2); + SetEntry(Rec.MatrixU, 0, -1, 0, -0.5); + SetEntry(Rec.MatrixU, 1, 1, 0, 0.5); + + SetLength(Rec.MatrixV, 2); + SetEntry(Rec.MatrixV, 0, 0, 1, 0.5); + SetEntry(Rec.MatrixV, 1, 0, -1, -0.5); + end; + + nmSobel: begin + SetLength(Rec.MatrixU, 6); + SetEntry(Rec.MatrixU, 0, -1, 1, -1.0); + SetEntry(Rec.MatrixU, 1, -1, 0, -2.0); + SetEntry(Rec.MatrixU, 2, -1, -1, -1.0); + SetEntry(Rec.MatrixU, 3, 1, 1, 1.0); + SetEntry(Rec.MatrixU, 4, 1, 0, 2.0); + SetEntry(Rec.MatrixU, 5, 1, -1, 1.0); + + SetLength(Rec.MatrixV, 6); + SetEntry(Rec.MatrixV, 0, -1, 1, 1.0); + SetEntry(Rec.MatrixV, 1, 0, 1, 2.0); + SetEntry(Rec.MatrixV, 2, 1, 1, 1.0); + SetEntry(Rec.MatrixV, 3, -1, -1, -1.0); + SetEntry(Rec.MatrixV, 4, 0, -1, -2.0); + SetEntry(Rec.MatrixV, 5, 1, -1, -1.0); + end; + + nm3x3: begin + SetLength(Rec.MatrixU, 6); + SetEntry(Rec.MatrixU, 0, -1, 1, -1/6); + SetEntry(Rec.MatrixU, 1, -1, 0, -1/6); + SetEntry(Rec.MatrixU, 2, -1, -1, -1/6); + SetEntry(Rec.MatrixU, 3, 1, 1, 1/6); + SetEntry(Rec.MatrixU, 4, 1, 0, 1/6); + SetEntry(Rec.MatrixU, 5, 1, -1, 1/6); + + SetLength(Rec.MatrixV, 6); + SetEntry(Rec.MatrixV, 0, -1, 1, 1/6); + SetEntry(Rec.MatrixV, 1, 0, 1, 1/6); + SetEntry(Rec.MatrixV, 2, 1, 1, 1/6); + SetEntry(Rec.MatrixV, 3, -1, -1, -1/6); + SetEntry(Rec.MatrixV, 4, 0, -1, -1/6); + SetEntry(Rec.MatrixV, 5, 1, -1, -1/6); + end; + + nm5x5: begin + SetLength(Rec.MatrixU, 20); + SetEntry(Rec.MatrixU, 0, -2, 2, -1 / 16); + SetEntry(Rec.MatrixU, 1, -1, 2, -1 / 10); + SetEntry(Rec.MatrixU, 2, 1, 2, 1 / 10); + SetEntry(Rec.MatrixU, 3, 2, 2, 1 / 16); + SetEntry(Rec.MatrixU, 4, -2, 1, -1 / 10); + SetEntry(Rec.MatrixU, 5, -1, 1, -1 / 8); + SetEntry(Rec.MatrixU, 6, 1, 1, 1 / 8); + SetEntry(Rec.MatrixU, 7, 2, 1, 1 / 10); + SetEntry(Rec.MatrixU, 8, -2, 0, -1 / 2.8); + SetEntry(Rec.MatrixU, 9, -1, 0, -0.5); + SetEntry(Rec.MatrixU, 10, 1, 0, 0.5); + SetEntry(Rec.MatrixU, 11, 2, 0, 1 / 2.8); + SetEntry(Rec.MatrixU, 12, -2, -1, -1 / 10); + SetEntry(Rec.MatrixU, 13, -1, -1, -1 / 8); + SetEntry(Rec.MatrixU, 14, 1, -1, 1 / 8); + SetEntry(Rec.MatrixU, 15, 2, -1, 1 / 10); + SetEntry(Rec.MatrixU, 16, -2, -2, -1 / 16); + SetEntry(Rec.MatrixU, 17, -1, -2, -1 / 10); + SetEntry(Rec.MatrixU, 18, 1, -2, 1 / 10); + SetEntry(Rec.MatrixU, 19, 2, -2, 1 / 16); + + SetLength(Rec.MatrixV, 20); + SetEntry(Rec.MatrixV, 0, -2, 2, 1 / 16); + SetEntry(Rec.MatrixV, 1, -1, 2, 1 / 10); + SetEntry(Rec.MatrixV, 2, 0, 2, 0.25); + SetEntry(Rec.MatrixV, 3, 1, 2, 1 / 10); + SetEntry(Rec.MatrixV, 4, 2, 2, 1 / 16); + SetEntry(Rec.MatrixV, 5, -2, 1, 1 / 10); + SetEntry(Rec.MatrixV, 6, -1, 1, 1 / 8); + SetEntry(Rec.MatrixV, 7, 0, 1, 0.5); + SetEntry(Rec.MatrixV, 8, 1, 1, 1 / 8); + SetEntry(Rec.MatrixV, 9, 2, 1, 1 / 16); + SetEntry(Rec.MatrixV, 10, -2, -1, -1 / 16); + SetEntry(Rec.MatrixV, 11, -1, -1, -1 / 8); + SetEntry(Rec.MatrixV, 12, 0, -1, -0.5); + SetEntry(Rec.MatrixV, 13, 1, -1, -1 / 8); + SetEntry(Rec.MatrixV, 14, 2, -1, -1 / 10); + SetEntry(Rec.MatrixV, 15, -2, -2, -1 / 16); + SetEntry(Rec.MatrixV, 16, -1, -2, -1 / 10); + SetEntry(Rec.MatrixV, 17, 0, -2, -0.25); + SetEntry(Rec.MatrixV, 18, 1, -2, -1 / 10); + SetEntry(Rec.MatrixV, 19, 2, -2, -1 / 16); + end; + end; + + // Daten Sammeln + if aUseAlpha and TFormatDescriptor.Get(Format).HasAlpha then + AddFunc(glBitmapToNormalMapPrepareAlphaFunc, false, @Rec) + else + AddFunc(glBitmapToNormalMapPrepareFunc, false, @Rec); + AddFunc(glBitmapToNormalMapFunc, false, @Rec); + finally + SetLength(Rec.Heights, 0); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapCubeMap//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.GenTexture(const aTestTextureSize: Boolean); +begin + Assert(false, 'TglBitmapCubeMap.GenTexture - Don''t call GenTextures directly.'); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.AfterConstruction; +begin + inherited; + + if not (GL_VERSION_1_3 or GL_ARB_texture_cube_map or GL_EXT_texture_cube_map) then + raise EglBitmap.Create('TglBitmapCubeMap.AfterConstruction - CubeMaps are unsupported.'); + + SetWrap; + Target := GL_TEXTURE_CUBE_MAP; + fGenMode := GL_REFLECTION_MAP; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.GenerateCubeMap(const aCubeTarget: Cardinal; const aTestTextureSize: Boolean); +var + BuildWithGlu: Boolean; + TexSize: Integer; +begin + if (aTestTextureSize) then begin + glGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, @TexSize); + + if (Height > TexSize) or (Width > TexSize) then + raise EglBitmapSizeToLarge.Create('TglBitmapCubeMap.GenTexture - The size for the Cubemap is to large. It''s may be not conform with the Hardware.'); + + if not ((IsPowerOfTwo(Height) and IsPowerOfTwo(Width)) or GL_VERSION_2_0 or GL_ARB_texture_non_power_of_two) then + raise EglBitmapNonPowerOfTwo.Create('TglBitmapCubeMap.GenTexture - Cubemaps dosn''t support non power of two texture.'); + end; + + if (ID = 0) then + CreateID; + SetupParameters(BuildWithGlu); + UploadData(aCubeTarget, BuildWithGlu); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.Bind(const aEnableTexCoordsGen: Boolean; const aEnableTextureUnit: Boolean); +begin + inherited Bind (aEnableTextureUnit); + if aEnableTexCoordsGen then begin + glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, fGenMode); + glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, fGenMode); + glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, fGenMode); + glEnable(GL_TEXTURE_GEN_S); + glEnable(GL_TEXTURE_GEN_T); + glEnable(GL_TEXTURE_GEN_R); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapCubeMap.Unbind(const aDisableTexCoordsGen: Boolean; const aDisableTextureUnit: Boolean); +begin + inherited Unbind(aDisableTextureUnit); + if aDisableTexCoordsGen then begin + glDisable(GL_TEXTURE_GEN_S); + glDisable(GL_TEXTURE_GEN_T); + glDisable(GL_TEXTURE_GEN_R); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapNormalMap////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +type + TVec = Array[0..2] of Single; + TglBitmapNormalMapGetVectorFunc = procedure (out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); + + PglBitmapNormalMapRec = ^TglBitmapNormalMapRec; + TglBitmapNormalMapRec = record + HalfSize : Integer; + Func: TglBitmapNormalMapGetVectorFunc; + end; + + ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := - (aPosition.X + 0.5 - aHalfSize); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegX(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := - aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := aPosition.X + 0.5 - aHalfSize; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := aHalfSize; + aVec[2] := aPosition.Y + 0.5 - aHalfSize; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegY(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := - aHalfSize; + aVec[2] := - (aPosition.Y + 0.5 - aHalfSize); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapPosZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := aPosition.X + 0.5 - aHalfSize; + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := aHalfSize; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapNegZ(out aVec: TVec; const aPosition: TglBitmapPixelPosition; const aHalfSize: Integer); +begin + aVec[0] := - (aPosition.X + 0.5 - aHalfSize); + aVec[1] := - (aPosition.Y + 0.5 - aHalfSize); + aVec[2] := - aHalfSize; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapNormalMapFunc(var FuncRec: TglBitmapFunctionRec); +var + i: Integer; + Vec: TVec; + Len: Single; +begin + with FuncRec do begin + with PglBitmapNormalMapRec(Args)^ do begin + Func(Vec, Position, HalfSize); + + // Normalize + Len := 1 / Sqrt(Sqr(Vec[0]) + Sqr(Vec[1]) + Sqr(Vec[2])); + if Len <> 0 then begin + Vec[0] := Vec[0] * Len; + Vec[1] := Vec[1] * Len; + Vec[2] := Vec[2] * Len; + end; + + // Scale Vector and AddVectro + Vec[0] := Vec[0] * 0.5 + 0.5; + Vec[1] := Vec[1] * 0.5 + 0.5; + Vec[2] := Vec[2] * 0.5 + 0.5; + end; + + // Set Color + for i := 0 to 2 do + Dest.Data.arr[i] := Round(Vec[i] * 255); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapNormalMap.AfterConstruction; +begin + inherited; + fGenMode := GL_NORMAL_MAP; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmapNormalMap.GenerateNormalMap(const aSize: Integer; const aTestTextureSize: Boolean); +var + Rec: TglBitmapNormalMapRec; + SizeRec: TglBitmapPixelPosition; +begin + Rec.HalfSize := aSize div 2; + FreeDataAfterGenTexture := false; + + SizeRec.Fields := [ffX, ffY]; + SizeRec.X := aSize; + SizeRec.Y := aSize; + + // Positive X + Rec.Func := glBitmapNormalMapPosX; + LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); + GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_X, aTestTextureSize); + + // Negative X + Rec.Func := glBitmapNormalMapNegX; + LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); + GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, aTestTextureSize); + + // Positive Y + Rec.Func := glBitmapNormalMapPosY; + LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); + GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, aTestTextureSize); + + // Negative Y + Rec.Func := glBitmapNormalMapNegY; + LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); + GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, aTestTextureSize); + + // Positive Z + Rec.Func := glBitmapNormalMapPosZ; + LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); + GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, aTestTextureSize); + + // Negative Z + Rec.Func := glBitmapNormalMapNegZ; + LoadFromFunc(SizeRec, glBitmapNormalMapFunc, tfBGR8, @Rec); + GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, aTestTextureSize); +end; + + +initialization + glBitmapSetDefaultFormat (tfEmpty); + glBitmapSetDefaultMipmap (mmMipmap); + glBitmapSetDefaultFilter (GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR); + glBitmapSetDefaultWrap (GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); + glBitmapSetDefaultSwizzle(GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA); + + glBitmapSetDefaultFreeDataAfterGenTexture(true); + glBitmapSetDefaultDeleteTextureOnFree (true); + + TFormatDescriptor.Init; + +{$IFDEF GLB_NATIVE_OGL_DYNAMIC} + OpenGLInitialized := false; + InitOpenGLCS := TCriticalSection.Create; +{$ENDIF} + +finalization + TFormatDescriptor.Finalize; + +{$IFDEF GLB_NATIVE_OGL} + if Assigned(GL_LibHandle) then + glbFreeLibrary(GL_LibHandle); + +{$IFDEF GLB_NATIVE_OGL_DYNAMIC} + if Assigned(GLU_LibHandle) then + glbFreeLibrary(GLU_LibHandle); + FreeAndNil(InitOpenGLCS); +{$ENDIF} +{$ENDIF} + +end. -- 2.1.4