X-Git-Url: https://git.delphigl.com/?a=blobdiff_plain;f=glBitmap.pas;h=88724cf57b7dd47456ecbc37bd64b7ebd5a9ee51;hb=f067ec08d69bd75acff660df64c05840ff457dfa;hp=1198bdace3cf8202f0ec7e948a3cd412726e4f43;hpb=40c2e1a73048b33c1a9f238748a3dd14b98099a1;p=glBitmap.git diff --git a/glBitmap.pas b/glBitmap.pas index 1198bda..88724cf 100644 --- a/glBitmap.pas +++ b/glBitmap.pas @@ -168,9 +168,9 @@ History - 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) +- 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) +- 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 @@ -214,46 +214,45 @@ History ***********************************************************} unit glBitmap; -{$message warn 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'} +{.$MESSAGE warn 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'} // Please uncomment the defines below to configure the glBitmap to your preferences. // If you have configured the unit you can uncomment the warning above. - // ###### Start of preferences ################################################ -{.$define GLB_NO_NATIVE_GL} +{$DEFINE GLB_NO_NATIVE_GL} // To enable the dglOpenGL.pas Header // With native GL then bindings are staticlly declared to support other headers // or use the glBitmap inside of DLLs (minimize codesize). -{.$define GLB_SDL} +{.$DEFINE GLB_SDL} // To enable the support for SDL_surfaces -{.$define GLB_DELPHI} +{.$DEFINE GLB_DELPHI} // To enable the support for TBitmap from Delphi (not lazarus) // *** image libs *** -{.$define GLB_SDL_IMAGE} +{.$DEFINE GLB_SDL_IMAGE} // To enable the support of SDL_image to load files. (READ ONLY) // If you enable SDL_image all other libraries will be ignored! -{.$define GLB_PNGIMAGE} +{.$DEFINE GLB_PNGIMAGE} // to enable png support with the unit pngimage. You can download it from http://pngdelphi.sourceforge.net/ // if you enable pngimage the libPNG will be ignored -{.$define GLB_LIB_PNG} +{.$DEFINE GLB_LIB_PNG} // to use the libPNG http://www.libpng.org/ // You will need an aditional header. // http://www.opengl24.de/index.php?cat=header&file=libpng -{.$define GLB_DELPHI_JPEG} +{.$DEFINE GLB_DELPHI_JPEG} // if you enable delphi jpegs the libJPEG will be ignored -{.$define GLB_LIB_JPEG} +{.$DEFINE GLB_LIB_JPEG} // to use the libJPEG http://www.ijg.org/ // You will need an aditional header. // http://www.opengl24.de/index.php?cat=header&file=libjpeg @@ -263,116 +262,110 @@ unit glBitmap; // ###### PRIVATE. Do not change anything. #################################### // *** old defines for compatibility *** -{$ifdef NO_NATIVE_GL} - {$define GLB_NO_NATIVE_GL} -{$endif} -{$ifdef pngimage} +{$IFDEF NO_NATIVE_GL} + {$DEFINE GLB_NO_NATIVE_GL} +{$ENDIF} +{$IFDEF pngimage} {$definde GLB_PNGIMAGE} -{$endif} - +{$ENDIF} // *** Delphi Versions *** -{$ifdef fpc} +{$IFDEF fpc} {$MODE Delphi} - {$ifdef CPUI386} - {$define CPU386} - {$asmmode INTEL} - {$endif} + {$IFDEF CPUI386} + {$DEFINE CPU386} + {$ASMMODE INTEL} + {$ENDIF} - {$ifndef WIN32} + {$IFNDEF WINDOWS} {$linklib c} - {$endif} -{$endif} + {$ENDIF} +{$ENDIF} // *** checking define combinations *** -{$ifdef GLB_SDL_IMAGE} - {$ifndef GLB_SDL} - {$message warn 'SDL_image won''t work without SDL. SDL will be activated.'} - {$define GLB_SDL} - {$endif} - {$ifdef GLB_PNGIMAGE} - {$message warn 'The unit pngimage will be ignored because you are using 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_PNGIMAGE} + {$MESSAGE warn 'The unit pngimage will be ignored because you are using SDL_image.'} {$undef GLB_PNGIMAGE} - {$endif} - {$ifdef GLB_DELPHI_JPEG} - {$message warn 'The unit JPEG will be ignored because you are using SDL_image.'} + {$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.'} + {$ENDIF} + {$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} - {$message warn 'The library libJPEG will be ignored because you are using SDL_image.'} + {$ENDIF} + {$IFDEF GLB_LIB_JPEG} + {$MESSAGE warn 'The library libJPEG will be ignored because you are using SDL_image.'} {$undef GLB_LIB_JPEG} - {$endif} + {$ENDIF} - {$define GLB_SUPPORT_PNG_READ} - {$define GLB_SUPPORT_JPEG_READ} -{$endif} + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_JPEG_READ} +{$ENDIF} -{$ifdef GLB_PNGIMAGE} - {$ifdef GLB_LIB_PNG} - {$message warn 'The library libPNG will be ignored if you are using pngimage.'} +{$IFDEF GLB_PNGIMAGE} + {$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} + {$ENDIF} -{$ifdef GLB_LIB_PNG} - {$define GLB_SUPPORT_PNG_READ} - {$define GLB_SUPPORT_PNG_WRITE} -{$endif} + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} +{$IFDEF GLB_LIB_PNG} + {$DEFINE GLB_SUPPORT_PNG_READ} + {$DEFINE GLB_SUPPORT_PNG_WRITE} +{$ENDIF} -{$ifdef GLB_DELPHI_JPEG} - {$ifdef GLB_LIB_JPEG} - {$message warn 'The library libJPEG will be ignored if you are using the unit JPEG.'} +{$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} + {$ENDIF} - {$define GLB_SUPPORT_JPEG_READ} - {$define GLB_SUPPORT_JPEG_WRITE} -{$endif} + {$DEFINE GLB_SUPPORT_JPEG_READ} + {$DEFINE GLB_SUPPORT_JPEG_WRITE} +{$ENDIF} -{$ifdef GLB_LIB_JPEG} - {$define GLB_SUPPORT_JPEG_READ} - {$define GLB_SUPPORT_JPEG_WRITE} -{$endif} +{$IFDEF GLB_LIB_JPEG} + {$DEFINE GLB_SUPPORT_JPEG_READ} + {$DEFINE GLB_SUPPORT_JPEG_WRITE} +{$ENDIF} // *** general options *** {$EXTENDEDSYNTAX ON} {$LONGSTRINGS ON} {$ALIGN ON} -{$ifndef fpc} +{$IFNDEF FPC} {$OPTIMIZATION ON} -{$endif} - +{$ENDIF} interface - uses - {$ifdef GLB_NO_NATIVE_GL} dglOpenGL, {$endif} + {$IFDEF GLB_NO_NATIVE_GL} dglOpenGL, {$ENDIF} - {$ifdef GLB_SDL} SDL, {$endif} - {$ifdef GLB_DELPHI} Dialogs, Windows, Graphics, {$endif} + {$IFDEF GLB_SDL} SDL, {$ENDIF} + {$IFDEF GLB_DELPHI} Dialogs, Windows, Graphics, {$ENDIF} - {$ifdef GLB_SDL_IMAGE} SDL_image, {$endif} + {$IFDEF GLB_SDL_IMAGE} SDL_image, {$ENDIF} - {$ifdef GLB_PNGIMAGE} pngimage, {$endif} - {$ifdef GLB_LIB_PNG} libPNG, {$endif} + {$IFDEF GLB_PNGIMAGE} pngimage, {$ENDIF} + {$IFDEF GLB_LIB_PNG} libPNG, {$ENDIF} - {$ifdef GLB_DELPHI_JPEG} JPEG, {$endif} - {$ifdef GLB_LIB_JPEG} libJPEG, {$endif} + {$IFDEF GLB_DELPHI_JPEG} JPEG, {$ENDIF} + {$IFDEF GLB_LIB_JPEG} libJPEG, {$ENDIF} Classes, SysUtils; - - -{$ifndef GLB_DELPHI} +{$IFNDEF GLB_DELPHI} type HGLRC = Cardinal; DWORD = Cardinal; @@ -384,18 +377,18 @@ type rgbRed: Byte; rgbReserved: Byte; end; -{$endif} - +{$ENDIF} -{$ifndef GLB_NO_NATIVE_GL} +(* TODO dglOpenGL +{$IFNDEF GLB_NO_NATIVE_GL} // Native OpenGL Implementation type PByteBool = ^ByteBool; -{$ifdef GLB_DELPHI} +{$IFDEF GLB_DELPHI} var gLastContext: HGLRC; -{$endif} +{$ENDIF} const // Generell @@ -541,85 +534,153 @@ var GL_IBM_texture_mirrored_repeat, GL_SGIS_generate_mipmap: Boolean; - // Funtions const - -{$ifdef LINUX} +{$IFDEF LINUX} libglu = 'libGLU.so.1'; libopengl = 'libGL.so.1'; {$else} libglu = 'glu32.dll'; libopengl = 'opengl32.dll'; -{$endif} - +{$ENDIF} -{$ifdef LINUX} +{$IFDEF LINUX} function glXGetProcAddress(ProcName: PAnsiChar): Pointer; cdecl; external libopengl; {$else} function wglGetProcAddress(ProcName: PAnsiChar): Pointer; stdcall; external libopengl; -{$endif} +{$ENDIF} - function glGetString(name: Cardinal): PAnsiChar; {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + function glGetString(name: Cardinal): PAnsiChar; {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; - procedure glEnable(cap: Cardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glDisable(cap: Cardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glGetIntegerv(pname: Cardinal; params: PInteger); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + procedure glEnable(cap: Cardinal); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glDisable(cap: Cardinal); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glGetIntegerv(pname: Cardinal; params: PInteger); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; - procedure glTexImage1D(target: Cardinal; level, internalformat, width, border: Integer; format, atype: Cardinal; const pixels: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glTexImage2D(target: Cardinal; level, internalformat, width, height, border: Integer; format, atype: Cardinal; const pixels: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + procedure glTexImage1D(target: Cardinal; level, internalformat, width, border: Integer; format, atype: Cardinal; const pixels: Pointer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glTexImage2D(target: Cardinal; level, internalformat, width, height, border: Integer; format, atype: Cardinal; const pixels: Pointer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; - procedure glGenTextures(n: Integer; Textures: PCardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glBindTexture(target: Cardinal; Texture: Cardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glDeleteTextures(n: Integer; const textures: PCardinal); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + procedure glGenTextures(n: Integer; Textures: PCardinal); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glBindTexture(target: Cardinal; Texture: Cardinal); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glDeleteTextures(n: Integer; const textures: PCardinal); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; - procedure glReadPixels(x, y: Integer; width, height: Integer; format, atype: Cardinal; pixels: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glPixelStorei(pname: Cardinal; param: Integer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glGetTexImage(target: Cardinal; level: Integer; format: Cardinal; _type: Cardinal; pixels: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + procedure glReadPixels(x, y: Integer; width, height: Integer; format, atype: Cardinal; pixels: Pointer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glPixelStorei(pname: Cardinal; param: Integer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glGetTexImage(target: Cardinal; level: Integer; format: Cardinal; _type: Cardinal; pixels: Pointer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; - function glAreTexturesResident(n: Integer; const Textures: PCardinal; residences: PByteBool): ByteBool; {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glTexParameteri(target: Cardinal; pname: Cardinal; param: Integer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glTexParameterfv(target: Cardinal; pname: Cardinal; const params: PSingle); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glGetTexLevelParameteriv(target: Cardinal; level: Integer; pname: Cardinal; params: PInteger); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; - procedure glTexGeni(coord, pname: Cardinal; param: Integer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libopengl; + function glAreTexturesResident(n: Integer; const Textures: PCardinal; residences: PByteBool): ByteBool; {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glTexParameteri(target: Cardinal; pname: Cardinal; param: Integer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glTexParameterfv(target: Cardinal; pname: Cardinal; const params: PSingle); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glGetTexLevelParameteriv(target: Cardinal; level: Integer; pname: Cardinal; params: PInteger); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; + procedure glTexGeni(coord, pname: Cardinal; param: Integer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libopengl; - function gluBuild1DMipmaps(Target: Cardinal; Components, Width: Integer; Format, atype: Cardinal; Data: Pointer): Integer; {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libglu; - function gluBuild2DMipmaps(Target: Cardinal; Components, Width, Height: Integer; Format, aType: Cardinal; Data: Pointer): Integer; {$ifdef Win32}stdcall; {$else}cdecl; {$endif} external libglu; + function gluBuild1DMipmaps(Target: Cardinal; Components, Width: Integer; Format, atype: Cardinal; Data: Pointer): Integer; {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libglu; + function gluBuild2DMipmaps(Target: Cardinal; Components, Width, Height: Integer; Format, aType: Cardinal; Data: Pointer): Integer; {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} external libglu; var - glCompressedTexImage2D : procedure(target: Cardinal; level: Integer; internalformat: Cardinal; width, height: Integer; border: Integer; imageSize: Integer; const data: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} - glCompressedTexImage1D : procedure(target: Cardinal; level: Integer; internalformat: Cardinal; width: Integer; border: Integer; imageSize: Integer; const data: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} - glGetCompressedTexImage : procedure(target: Cardinal; level: Integer; img: Pointer); {$ifdef Win32}stdcall; {$else}cdecl; {$endif} -{$endif} - + glCompressedTexImage2D : procedure(target: Cardinal; level: Integer; internalformat: Cardinal; width, height: Integer; border: Integer; imageSize: Integer; const data: Pointer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} + glCompressedTexImage1D : procedure(target: Cardinal; level: Integer; internalformat: Cardinal; width: Integer; border: Integer; imageSize: Integer; const data: Pointer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} + glGetCompressedTexImage : procedure(target: Cardinal; level: Integer; img: Pointer); {$IFDEF WINDOWS}stdcall; {$else}cdecl; {$ENDIF} +{$ENDIF} +*) type - // Exception - EglBitmapException = Exception; - EglBitmapSizeToLargeException = EglBitmapException; - EglBitmapNonPowerOfTwoException = EglBitmapException; - EglBitmapUnsupportedInternalFormat = EglBitmapException; - - // Functions - TglBitmapPixelDesc = packed record - RedRange: Cardinal; - RedShift: Shortint; - GreenRange: Cardinal; - GreenShift: Shortint; - BlueRange: Cardinal; - BlueShift: Shortint; - AlphaRange: Cardinal; - AlphaShift: Shortint; +//////////////////////////////////////////////////////////////////////////////////////////////////// + EglBitmapException = class(Exception); + EglBitmapSizeToLargeException = class(EglBitmapException); + EglBitmapNonPowerOfTwoException = class(EglBitmapException); + EglBitmapUnsupportedFormatFormat = class(EglBitmapException); + +//////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapFormat = ( + tfEmpty = 0, + + tfAlpha4, + tfAlpha8, + tfAlpha12, + tfAlpha16, + + tfLuminance4, + tfLuminance8, + tfLuminance12, + tfLuminance16, + + tfLuminance4Alpha4, + tfLuminance6Alpha2, + tfLuminance8Alpha8, + tfLuminance12Alpha4, + tfLuminance12Alpha12, + tfLuminance16Alpha16, + + tfR3G3B2, + tfRGB4, + tfR5G6B5, + tfRGB5, + tfRGB8, + tfRGB10, + tfRGB12, + tfRGB16, + + tfRGBA2, + tfRGBA4, + tfRGB5A1, + tfRGBA8, + tfRGB10A2, + tfRGBA12, + tfRGBA16, + + tfBGR4, + tfB5G6R5, + tfBGR5, + tfBGR8, + tfBGR10, + tfBGR12, + tfBGR16, + + tfBGRA2, + tfBGRA4, + tfBGR5A1, + tfBGRA8, + tfBGR10A2, + tfBGRA12, + tfBGRA16, + + tfDepth16, + tfDepth24, + tfDepth32 + ); + + TglBitmapFileType = ( + {$IFDEF GLB_SUPPORT_PNG_WRITE} ftPNG, {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_WRITE}ftJPEG, {$ENDIF} + ftDDS, + ftTGA, + ftBMP); + TglBitmapFileTypes = set of TglBitmapFileType; + + TglBitmapMipMap = ( + mmNone, + mmMipmap, + mmMipmapGlu); + + TglBitmapNormalMapFunc = ( + nm4Samples, + nmSobel, + nm3x3, + nm5x5); + +//////////////////////////////////////////////////////////////////////////////////////////////////// + TglBitmapColorRec = packed record + case Integer of + 0: (r, g, b, a: Cardinal); + 1: (arr: array[0..3] of Cardinal); end; TglBitmapPixelData = packed record - Red: Cardinal; - Green: Cardinal; - Blue: Cardinal; - Alpha: Cardinal; - - PixelDesc: TglBitmapPixelDesc; + Data, Range: TglBitmapColorRec; + Format: TglBitmapFormat; end; + PglBitmapPixelData = ^TglBitmapPixelData; +//////////////////////////////////////////////////////////////////////////////////////////////////// TglBitmapPixelPositionFields = set of (ffX, ffY); TglBitmapPixelPosition = record Fields : TglBitmapPixelPositionFields; @@ -627,332 +688,269 @@ type Y : Word; end; -const - cNullSize : TglBitmapPixelPosition = (Fields : []; X: 0; Y: 0); - -type +//////////////////////////////////////////////////////////////////////////////////////////////////// TglBitmap = class; - TglBitmapFunctionRec = record - Sender : TglBitmap; - Size: TglBitmapPixelPosition; + Sender: TglBitmap; + Size: TglBitmapPixelPosition; Position: TglBitmapPixelPosition; - Source: TglBitmapPixelData; - Dest: TglBitmapPixelData; - CustomData: Pointer; + Source: TglBitmapPixelData; + Dest: TglBitmapPixelData; + Args: PtrInt; end; - TglBitmapFunction = procedure(var FuncRec: TglBitmapFunctionRec); - TglBitmapGetPixel = procedure ( - const Pos: TglBitmapPixelPosition; - var Pixel: TglBitmapPixelData) of object; - - TglBitmapSetPixel = procedure ( - const Pos: TglBitmapPixelPosition; - const Pixel: TglBitmapPixelData) of object; - - // Settings - TglBitmapFileType = ( - {$ifdef GLB_SUPPORT_PNG_WRITE} ftPNG, {$endif} - {$ifdef GLB_SUPPORT_JPEG_WRITE}ftJPEG, {$endif} - ftDDS, - ftTGA, - ftBMP); - TglBitmapFileTypes = set of TglBitmapFileType; - - TglBitmapFormat = (tfDefault, tf4BitsPerChanel, tf8BitsPerChanel, tfCompressed); - TglBitmapMipMap = (mmNone, mmMipmap, mmMipmapGlu); - TglBitmapNormalMapFunc = (nm4Samples, nmSobel, nm3x3, nm5x5); - TglBitmapInternalFormat = ( - ifEmpty, - // 4 Bit - ifDXT1, - // 8 Bit - ifDXT3, - ifDXT5, - ifAlpha, - ifLuminance, - ifDepth8, - // 16 Bit - ifLuminanceAlpha, - ifRGBA4, - ifR5G6B5, - ifRGB5A1, - // 24 Bit - ifBGR8, - ifRGB8, - // 32 Bit - ifBGRA8, - ifRGBA8, - ifRGB10A2 - ); - - // Pixelmapping - TglBitmapMapFunc = procedure (const Pixel: TglBitmapPixelData; var pDest: pByte); - TglBitmapUnMapFunc = procedure (var pData: pByte; var Pixel: TglBitmapPixelData); - - // Base Class +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// TglBitmap = class protected - fID: Cardinal; - fTarget: Cardinal; - fFormat: TglBitmapFormat; - fMipMap: TglBitmapMipMap; + fID: GLuint; + fTarget: GLuint; fAnisotropic: Integer; - fBorderColor: array [0..3] of single; - fDeleteTextureOnFree: Boolean; fFreeDataAfterGenTexture: Boolean; + fData: PByte; + fIsResident: Boolean; + fBorderColor: array[0..3] of Single; - // Propertys - fData: pByte; - fInternalFormat: TglBitmapInternalFormat; fDimension: TglBitmapPixelPosition; - - fIsResident: Boolean; + fMipMap: TglBitmapMipMap; + fFormat: TglBitmapFormat; // Mapping fPixelSize: Integer; fRowSize: Integer; - fUnmapFunc: TglBitmapUnMapFunc; - fMapFunc: TglBitmapMapFunc; // Filtering - fFilterMin: Integer; - fFilterMag: Integer; - - // Texturwarp - fWrapS: Integer; - fWrapT: Integer; - fWrapR: Integer; + fFilterMin: Cardinal; + fFilterMag: Cardinal; - fGetPixelFunc: TglBitmapGetPixel; - fSetPixelFunc: TglBitmapSetPixel; + // TexturWarp + fWrapS: Cardinal; + fWrapT: Cardinal; + fWrapR: Cardinal; - // custom data + // CustomData fFilename: String; fCustomName: String; fCustomNameW: WideString; - fCustomDataPointer: Pointer; - - - procedure SetDataPointer(NewData: pByte; Format: TglBitmapInternalFormat; Width: Integer = -1; Height: Integer = -1); virtual; - - {$ifdef GLB_SUPPORT_PNG_READ} - function LoadPNG(Stream: TStream): Boolean; virtual; - {$endif} - {$ifdef GLB_SUPPORT_JPEG_READ} - function LoadJPEG(Stream: TStream): Boolean; virtual; - {$endif} - function LoadDDS(Stream: TStream): Boolean; virtual; - function LoadTGA(Stream: TStream): Boolean; virtual; - function LoadBMP(Stream: TStream): Boolean; virtual; - - - {$ifdef GLB_SUPPORT_PNG_WRITE} - procedure SavePNG(Stream: TStream); virtual; - {$endif} - {$ifdef GLB_SUPPORT_JPEG_WRITE} - procedure SaveJPEG(Stream: TStream); virtual; - {$endif} - procedure SaveDDS(Stream: TStream); virtual; - procedure SaveTGA(Stream: TStream); virtual; - procedure SaveBMP(Stream: TStream); virtual; - + 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 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(var BuildWithGlu: Boolean); - procedure SelectFormat(DataFormat: TglBitmapInternalFormat; var glFormat, glInternalFormat, glType: Cardinal; CanConvertImage: Boolean = True); - - procedure GenTexture(TestTextureSize: Boolean = True); virtual; abstract; - - procedure SetAnisotropic(const Value: Integer); - procedure SetInternalFormat(const Value: TglBitmapInternalFormat); + procedure SetupParameters(var aBuildWithGlu: Boolean); + procedure SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer = -1; const aHeight: Integer = -1); virtual; + procedure GenTexture(const aTestTextureSize: Boolean = true); virtual; abstract; function FlipHorz: Boolean; virtual; function FlipVert: Boolean; virtual; - function GetHeight: Integer; - function GetWidth: Integer; - - function GetFileHeight: Integer; - function GetFileWidth: Integer; - - property Width: Integer read GetWidth; + property Width: Integer read GetWidth; property Height: Integer read GetHeight; - property FileWidth: Integer read GetFileWidth; + property FileWidth: Integer read GetFileWidth; property FileHeight: Integer read GetFileHeight; public - // propertys - property ID: Cardinal read fID write fID; - property Target: Cardinal read fTarget write fTarget; - property Format: TglBitmapFormat read fFormat write fFormat; - property InternalFormat: TglBitmapInternalFormat read fInternalFormat write SetInternalFormat; - property Dimension: TglBitmapPixelPosition read fDimension; - - property Data: pByte read fData; + //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 MipMap: TglBitmapMipMap read fMipMap write fMipMap; - property Anisotropic: Integer read fAnisotropic write SetAnisotropic; + 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 fDeleteTextureOnFree; - property FreeDataAfterGenTexture: Boolean read fFreeDataAfterGenTexture write fFreeDataAfterGenTexture; + property DeleteTextureOnFree: Boolean read fDeleteTextureOnFree write SetDeleteTextureOnFree; + property FreeDataAfterGenTexture: Boolean read fFreeDataAfterGenTexture write SetFreeDataAfterGenTexture; - property IsResident: boolean read fIsResident; + property Dimension: TglBitmapPixelPosition read fDimension; + property Data: PByte read fData; + property IsResident: Boolean read fIsResident; - // propertys for custom data - property Filename: String read fFilename; - property CustomName: String read fCustomName write fCustomName; - property CustomNameW: WideString read fCustomNameW write fCustomNameW; - property CustomDataPointer: Pointer read fCustomDataPointer write fCustomDataPointer; - - // Construction and Destructions Methods procedure AfterConstruction; override; procedure BeforeDestruction; override; - constructor Create(); overload; - constructor Create(FileName: String); overload; - constructor Create(Stream: TStream); overload; - {$ifdef GLB_DELPHI} - constructor CreateFromResourceName(Instance: Cardinal; Resource: String; ResType: PChar = nil); - constructor Create(Instance: Cardinal; Resource: String; ResType: PChar = nil); overload; - constructor Create(Instance: Cardinal; ResourceID: Integer; ResType: PChar); overload; - {$endif} - constructor Create(Size: TglBitmapPixelPosition; Format: TglBitmapInternalFormat); overload; - constructor Create(Size: TglBitmapPixelPosition; Format: TglBitmapInternalFormat; Func: TglBitmapFunction; CustomData: Pointer = nil); overload; + //Load + procedure LoadFromFile(const aFilename: String); + procedure LoadFromStream(const aStream: TStream); virtual; + procedure LoadFromFunc(const aSize: TglBitmapPixelPosition; const aFunc: TglBitmapFunction; + const aFormat: TglBitmapFormat; const aArgs: PtrInt = 0); + {$IFDEF GLB_DELPHI} + procedure LoadFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil); + procedure LoadFromResourceID(const sInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); + {$ENDIF} + + //Save + procedure SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType); + procedure SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); virtual; + + //Convert + function AddFunc(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: PtrInt = 0): Boolean; overload; + function AddFunc(const aSource: TglBitmap; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; + const aFormat: TglBitmapFormat; const aArgs: PtrInt = 0): Boolean; overload; + public + //Alpha & Co + {$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: PtrInt = 0): 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: PtrInt = 0): Boolean; + function AddAlphaFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil; + const aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; + function AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; + const aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; + {$ENDIF} + + function AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: PtrInt = 0): Boolean; virtual; + function AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; + function AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; + function AddAlphaFromGlBitmap(const aBitmap: TglBitmap; aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; + + function AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte = 0): Boolean; + function AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal = 0): Boolean; + function AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single = 0): Boolean; + + function AddAlphaFromValue(const aAlpha: Byte): Boolean; + function AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; + function AddAlphaFromValueFloat(const aAlpha: Single): Boolean; + function RemoveAlpha: Boolean; virtual; + public + //Common function Clone: TglBitmap; - + function ConvertTo(const aFormat: TglBitmapFormat): Boolean; virtual; + procedure Invert(const aUseRGB: Boolean = true; const aUseAlpha: Boolean = false); + procedure SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); procedure FreeData; - // Loading Methods - procedure LoadFromFile(FileName: String); - procedure LoadFromStream(Stream: TStream); virtual; - {$ifdef GLB_DELPHI} - procedure LoadFromResource(Instance: Cardinal; Resource: String; ResType: PChar = nil); - procedure LoadFromResourceID(Instance: Cardinal; ResourceID: Integer; ResType: PChar); - {$endif} - procedure LoadFromFunc(Size: TglBitmapPixelPosition; Func: TglBitmapFunction; Format: TglBitmapInternalFormat; CustomData: Pointer = nil); - - procedure SaveToFile(FileName: String; FileType: TglBitmapFileType); - procedure SaveToStream(Stream: TStream; FileType: TglBitmapFileType); virtual; - - function AddFunc(Source: TglBitmap; Func: TglBitmapFunction; CreateTemp: Boolean; Format: TglBitmapInternalFormat; CustomData: Pointer = nil): boolean; overload; - function AddFunc(Func: TglBitmapFunction; CreateTemp: Boolean; CustomData: Pointer = nil): boolean; overload; - - {$ifdef GLB_SDL} - function AssignToSurface(out Surface: PSDL_Surface): boolean; - function AssignFromSurface(const Surface: PSDL_Surface): boolean; - function AssignAlphaToSurface(out Surface: PSDL_Surface): boolean; - - function AddAlphaFromSurface(Surface: PSDL_Surface; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - {$endif} - {$ifdef GLB_DELPHI} - function AssignToBitmap(const Bitmap: TBitmap): boolean; - function AssignFromBitmap(const Bitmap: TBitmap): boolean; - function AssignAlphaToBitmap(const Bitmap: TBitmap): boolean; - - function AddAlphaFromBitmap(Bitmap: TBitmap; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - {$endif} - - function AddAlphaFromFunc(Func: TglBitmapFunction; CustomData: Pointer = nil): boolean; virtual; - function AddAlphaFromFile(FileName: String; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - function AddAlphaFromStream(Stream: TStream; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - {$ifdef GLB_DELPHI} - function AddAlphaFromResource(Instance: Cardinal; Resource: String; ResType: PChar = nil; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - function AddAlphaFromResourceID(Instance: Cardinal; ResourceID: Integer; ResType: PChar; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - {$endif} - function AddAlphaFromglBitmap(glBitmap: TglBitmap; Func: TglBitmapFunction = nil; CustomData: Pointer = nil): boolean; - - function AddAlphaFromColorKey(Red, Green, Blue: Byte; Deviation: Byte = 0): Boolean; - function AddAlphaFromColorKeyRange(Red, Green, Blue: Cardinal; Deviation: Cardinal = 0): Boolean; - function AddAlphaFromColorKeyFloat(Red, Green, Blue: Single; Deviation: Single = 0): Boolean; - - function AddAlphaFromValue(Alpha: Byte): Boolean; - function AddAlphaFromValueRange(Alpha: Cardinal): Boolean; - function AddAlphaFromValueFloat(Alpha: Single): Boolean; - - function RemoveAlpha: Boolean; virtual; - - function ConvertTo(NewFormat: TglBitmapInternalFormat): boolean; virtual; - - // Other - procedure FillWithColor(Red, Green, Blue: Byte; Alpha : Byte = 255); - procedure FillWithColorRange(Red, Green, Blue: Cardinal; Alpha : Cardinal = $FFFFFFFF); - procedure FillWithColorFloat(Red, Green, Blue: Single; Alpha : Single = 1); - - procedure Invert(UseRGB: Boolean = true; UseAlpha: Boolean = false); - - procedure SetFilter(Min, Mag : Integer); - procedure SetWrap(S: Integer = GL_CLAMP_TO_EDGE; - T: Integer = GL_CLAMP_TO_EDGE; R: Integer = GL_CLAMP_TO_EDGE); - - procedure SetBorderColor(Red, Green, Blue, Alpha: Single); - - procedure GetPixel (const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); virtual; - procedure SetPixel (const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); virtual; - - // Generation - procedure Unbind(DisableTextureUnit: Boolean = True); virtual; - procedure Bind(EnableTextureUnit: Boolean = True); virtual; - end; - - + //ColorFill + procedure FillWithColor(const aRed, aGreen, aBlue: Byte; const aAlpha: Byte = 255); + procedure FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal = $FFFFFFFF); + procedure FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha : Single = 1); + + //TexParameters + procedure SetFilter(const aMin, aMag: Cardinal); + procedure SetWrap( + const S: Cardinal = GL_CLAMP_TO_EDGE; + const T: Cardinal = GL_CLAMP_TO_EDGE; + const R: Cardinal = GL_CLAMP_TO_EDGE); + + procedure GetPixel(const aPos: TglBitmapPixelPosition; var aPixel: TglBitmapPixelData); virtual; + procedure SetPixel(const aPos: TglBitmapPixelPosition; const aPixel: TglBitmapPixelData); virtual; + + procedure Bind(const aEnableTextureUnit: Boolean = true); virtual; + procedure Unbind(const aDisableTextureUnit: Boolean = true); virtual; + + //Constructors + constructor Create; overload; + constructor Create(const aFileName: String); overload; + constructor Create(const aStream: TStream); overload; + constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat); overload; + constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: PtrInt = 0); overload; + {$IFDEF GLB_DELPHI} + 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; + {$ENDIF} + private + {$IFDEF GLB_SUPPORT_PNG_READ} + function LoadPNG(const aStream: TStream): Boolean; virtual; + procedure SavePNG(const aStream: TStream); virtual; + {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_READ} + function LoadJPEG(const aStream: TStream): Boolean; virtual; + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// TglBitmap2D = class(TglBitmap) protected // Bildeinstellungen fLines: array of PByte; + (* TODO procedure GetDXTColorBlock(pData: pByte; relX, relY: Integer; var Pixel: TglBitmapPixelData); procedure GetPixel2DDXT1(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); procedure GetPixel2DDXT3(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); procedure GetPixel2DDXT5(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); procedure GetPixel2DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); - procedure SetPixel2DUnmap(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); + *) - function GetScanline(Index: Integer): Pointer; - - procedure SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width: Integer = -1; Height: Integer = -1); override; - procedure UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean); + function GetScanline(const aIndex: Integer): Pointer; + procedure SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer = - 1; const aHeight: Integer = - 1); override; + procedure UploadData(const aTarget: Cardinal; const aBuildWithGlu: Boolean); public - // propertys property Width; property Height; - - property Scanline[Index: Integer]: Pointer read GetScanline; + property Scanline[const aIndex: Integer]: Pointer read GetScanline; procedure AfterConstruction; override; - procedure GrabScreen(Top, Left, Right, Bottom: Integer; Format: TglBitmapInternalFormat); + procedure GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat); procedure GetDataFromTexture; + procedure GenTexture(const aTestTextureSize: Boolean = true); override; - // Other function FlipHorz: Boolean; override; function FlipVert: Boolean; override; - procedure ToNormalMap(Func: TglBitmapNormalMapFunc = nm3x3; Scale: Single = 2; UseAlpha: Boolean = False); - - // Generation - procedure GenTexture(TestTextureSize: Boolean = True); override; + procedure ToNormalMap(const aFunc: TglBitmapNormalMapFunc = nm3x3; + const aScale: Single = 2; const aUseAlpha: Boolean = false); end; - +(* TODO TglBitmapCubeMap = class(TglBitmap2D) protected fGenMode: Integer; // Hide GenTexture - procedure GenTexture(TestTextureSize: Boolean = True); reintroduce; + procedure GenTexture(TestTextureSize: Boolean = true); reintroduce; public procedure AfterConstruction; override; procedure GenerateCubeMap(CubeTarget: Cardinal; TestTextureSize: Boolean = true); - procedure Unbind(DisableTexCoordsGen: Boolean = true; DisableTextureUnit: Boolean = True); reintroduce; virtual; - procedure Bind(EnableTexCoordsGen: Boolean = true; EnableTextureUnit: Boolean = True); reintroduce; virtual; + procedure Unbind(DisableTexCoordsGen: Boolean = true; DisableTextureUnit: Boolean = true); reintroduce; virtual; + procedure Bind(EnableTexCoordsGen: Boolean = true; EnableTextureUnit: Boolean = true); reintroduce; virtual; end; @@ -980,898 +978,873 @@ type function FlipHorz: Boolean; override; // Generation - procedure GenTexture(TestTextureSize: Boolean = True); override; + procedure GenTexture(TestTextureSize: Boolean = true); override; end; +*) - -// methods and vars for Defaults -procedure glBitmapSetDefaultFormat(Format: TglBitmapFormat); -procedure glBitmapSetDefaultFilter(Min, Mag: Integer); -procedure glBitmapSetDefaultWrap(S: Integer = GL_CLAMP_TO_EDGE; T: Integer = GL_CLAMP_TO_EDGE; R: Integer = GL_CLAMP_TO_EDGE); - -procedure glBitmapSetDefaultDeleteTextureOnFree(DeleteTextureOnFree: Boolean); -procedure glBitmapSetDefaultFreeDataAfterGenTexture(FreeData: Boolean); - -function glBitmapGetDefaultFormat: TglBitmapFormat; -procedure glBitmapGetDefaultFilter(var Min, Mag: Integer); -procedure glBitmapGetDefaultTextureWrap(var S, T, R: Integer); +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); -// position / size 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; -// Formatfunctions -function FormatGetSize (Format: TglBitmapInternalFormat): Single; +var + glBitmapDefaultDeleteTextureOnFree: Boolean; + glBitmapDefaultFreeDataAfterGenTextures: Boolean; + glBitmapDefaultFormat: TglBitmapFormat; + glBitmapDefaultMipmap: TglBitmapMipMap; + glBitmapDefaultFilterMin: Cardinal; + glBitmapDefaultFilterMag: Cardinal; + glBitmapDefaultWrapS: Cardinal; + glBitmapDefaultWrapT: Cardinal; + glBitmapDefaultWrapR: Cardinal; + +{$IFDEF GLB_DELPHI} +function CreateGrayPalette: HPALETTE; +{$ENDIF} -function FormatIsCompressed(Format: TglBitmapInternalFormat): boolean; -function FormatIsUncompressed(Format: TglBitmapInternalFormat): boolean; -function FormatIsEmpty(Format: TglBitmapInternalFormat): boolean; -function FormatHasAlpha(Format: TglBitmapInternalFormat): Boolean; +implementation -procedure FormatPreparePixel(var Pixel: TglBitmapPixelData; Format: TglBitmapInternalFormat); -function FormatGetWithoutAlpha(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; -function FormatGetWithAlpha(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; + (* TODO + function FormatIsCompressed(Format: TglBitmapInternalFormat): boolean; + function FormatIsUncompressed(Format: TglBitmapInternalFormat): boolean; + function LoadTexture(Filename: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$ENDIF}): Boolean; + function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$ENDIF}): Boolean; + function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean; + *) -function FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; Format: TglBitmapInternalFormat): boolean; +uses + Math, syncobjs; +type +//////////////////////////////////////////////////////////////////////////////////////////////////// + TShiftRec = packed record + case Integer of + 0: (r, g, b, a: Byte); + 1: (arr: array[0..3] of Byte); + end; + + TFormatDescriptor = class(TObject) + private + function GetRedMask: UInt64; + function GetGreenMask: UInt64; + function GetBlueMask: UInt64; + function GetAlphaMask: UInt64; + protected + fFormat: TglBitmapFormat; + fWithAlpha: TglBitmapFormat; + fWithoutAlpha: TglBitmapFormat; + fRGBInverted: TglBitmapFormat; + fPixelSize: Single; -// Call LoadingMethods -function LoadTexture(Filename: String; var Texture: Cardinal{$ifdef GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$endif}): Boolean; + fRange: TglBitmapColorRec; + fShift: TShiftRec; -function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$ifdef GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$endif}): Boolean; + fglFormat: Cardinal; + fglInternalFormat: Cardinal; + fglDataFormat: Cardinal; -function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean; + function GetComponents: Integer; virtual; + public + property Format: TglBitmapFormat read fFormat; + property WithAlpha: TglBitmapFormat read fWithAlpha; + property WithoutAlpha: TglBitmapFormat read fWithoutAlpha; + property RGBInverted: TglBitmapFormat read fRGBInverted; + property Components: Integer read GetComponents; + property PixelSize: Single read fPixelSize; + property glFormat: Cardinal read fglFormat; + property glInternalFormat: Cardinal read fglInternalFormat; + property glDataFormat: Cardinal read fglDataFormat; -var - glBitmapDefaultFormat: TglBitmapFormat; - glBitmapDefaultFilterMin: Integer; - glBitmapDefaultFilterMag: Integer; - glBitmapDefaultWrapS: Integer; - glBitmapDefaultWrapT: Integer; - glBitmapDefaultWrapR: Integer; + property Range: TglBitmapColorRec read fRange; + property Shift: TShiftRec read fShift; - glBitmapDefaultDeleteTextureOnFree: Boolean; - glBitmapDefaultFreeDataAfterGenTextures: Boolean; + property RedMask: UInt64 read GetRedMask; + property GreenMask: UInt64 read GetGreenMask; + property BlueMask: UInt64 read GetBlueMask; + property AlphaMask: UInt64 read GetAlphaMask; -{$ifdef GLB_DELPHI} -function CreateGrayPalette: HPALETTE; -{$endif} + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); virtual; abstract; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); virtual; abstract; + function GetSize(const aSize: TglBitmapPixelPosition): Integer; virtual; overload; + function GetSize(const aWidth, aHeight: Integer): Integer; virtual; overload; -implementation + function CreateMappingData: Pointer; virtual; + procedure FreeMappingData(var aMappingData: Pointer); virtual; -uses - Math; + function IsEmpty: Boolean; virtual; + function HasAlpha: Boolean; virtual; + function MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: UInt64): Boolean; virtual; + procedure PreparePixel(var aPixel: TglBitmapPixelData); virtual; -{$ifndef GLB_NO_NATIVE_GL} -procedure ReadOpenGLExtensions; -var - {$ifdef GLB_DELPHI} - Context: HGLRC; - {$endif} - Buffer: AnsiString; - MajorVersion, MinorVersion: Integer; + 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); - procedure TrimVersionString(Buffer: AnsiString; var Major, Minor: Integer); - var - Separator: Integer; - begin - Minor := 0; - Major := 0; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlpha_UB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - Separator := Pos(AnsiString('.'), Buffer); + TfdLuminance_UB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - if (Separator > 1) and (Separator < Length(Buffer)) and - (Buffer[Separator - 1] in ['0'..'9']) and - (Buffer[Separator + 1] in ['0'..'9']) then begin + TfdUniversal_UB1 = class(TFormatDescriptor) //1* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - Dec(Separator); - while (Separator > 0) and (Buffer[Separator] in ['0'..'9']) do - Dec(Separator); + 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - Delete(Buffer, 1, Separator); - Separator := Pos(AnsiString('.'), Buffer) + 1; + TfdRGB_UB3 = class(TFormatDescriptor) //3* unsigned byte + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - while (Separator <= Length(Buffer)) and (AnsiChar(Buffer[Separator]) in ['0'..'9']) do - Inc(Separator); + 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - Delete(Buffer, Separator, 255); - Separator := Pos(AnsiString('.'), Buffer); + 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - Major := StrToInt(Copy(String(Buffer), 1, Separator - 1)); - Minor := StrToInt(Copy(String(Buffer), Separator + 1, 1)); - 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; var 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - function CheckExtension(const Extension: AnsiString): Boolean; - var - ExtPos: Integer; - begin - ExtPos := Pos(Extension, Buffer); - Result := ExtPos > 0; + TfdLuminance_US1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - if Result then - Result := ((ExtPos + Length(Extension) - 1) = Length(Buffer)) or not (Buffer[ExtPos + Length(Extension)] in ['_', 'A'..'Z', 'a'..'z']); + TfdUniversal_US1 = class(TFormatDescriptor) //1* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - function glLoad (aFunc: pAnsiChar): pointer; - begin - {$ifdef LINUX} - Result := glXGetProcAddress(aFunc); - {$else} - Result := wglGetProcAddress(aFunc); - {$endif} + TfdLuminanceAlpha_US2 = class(TfdLuminance_US1) //2* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; end; + TfdRGB_US3 = class(TFormatDescriptor) //3* unsigned short + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; -begin - {$ifdef GLB_DELPHI} - Context := wglGetCurrentContext; + 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - if Context <> gLastContext then begin - gLastContext := Context; - {$endif} + 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - // Version - Buffer := glGetString(GL_VERSION); - TrimVersionString(Buffer, MajorVersion, MinorVersion); + 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - GL_VERSION_1_2 := False; - GL_VERSION_1_3 := False; - GL_VERSION_1_4 := False; - GL_VERSION_2_0 := False; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdUniversal_UI1 = class(TFormatDescriptor) //1* unsigned int + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - if MajorVersion = 1 then begin - if MinorVersion >= 1 then begin - if MinorVersion >= 2 then - GL_VERSION_1_2 := True; + TfdDepth_UI1 = class(TFormatDescriptor) //1* unsigned int + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override; + constructor Create; override; + end; - if MinorVersion >= 3 then - GL_VERSION_1_3 := True; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdAlpha4 = class(TfdAlpha_UB1) + constructor Create; override; + end; - if MinorVersion >= 4 then - GL_VERSION_1_4 := True; - end; - end; + TfdAlpha8 = class(TfdAlpha_UB1) + constructor Create; override; + end; - if MajorVersion >= 2 then begin - GL_VERSION_1_2 := True; - GL_VERSION_1_3 := True; - GL_VERSION_1_4 := True; - GL_VERSION_2_0 := True; - end; + TfdAlpha12 = class(TfdAlpha_US1) + constructor Create; override; + end; - // Extensions - Buffer := glGetString(GL_EXTENSIONS); - GL_ARB_texture_border_clamp := CheckExtension('GL_ARB_texture_border_clamp'); - GL_ARB_texture_cube_map := CheckExtension('GL_ARB_texture_cube_map'); - GL_ARB_texture_compression := CheckExtension('GL_ARB_texture_compression'); - GL_ARB_texture_non_power_of_two := CheckExtension('GL_ARB_texture_non_power_of_two'); - GL_ARB_texture_rectangle := CheckExtension('GL_ARB_texture_rectangle'); - GL_ARB_texture_mirrored_repeat := CheckExtension('GL_ARB_texture_mirrored_repeat'); - GL_EXT_bgra := CheckExtension('GL_EXT_bgra'); - GL_EXT_texture_edge_clamp := CheckExtension('GL_EXT_texture_edge_clamp'); - GL_EXT_texture_cube_map := CheckExtension('GL_EXT_texture_cube_map'); - GL_EXT_texture_compression_s3tc := CheckExtension('GL_EXT_texture_compression_s3tc'); - GL_EXT_texture_filter_anisotropic := CheckExtension('GL_EXT_texture_filter_anisotropic'); - GL_EXT_texture_rectangle := CheckExtension('GL_EXT_texture_rectangle'); - 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'); + TfdAlpha16 = class(TfdAlpha_US1) + constructor Create; override; + end; - // Funtions - if GL_VERSION_1_3 then begin - // Loading Core - glCompressedTexImage1D := glLoad('glCompressedTexImage1D'); - glCompressedTexImage2D := glLoad('glCompressedTexImage2D'); - glGetCompressedTexImage := glLoad('glGetCompressedTexImage'); - end else + TfdLuminance4 = class(TfdLuminance_UB1) + constructor Create; override; + end; - begin - // Try loading Extension - glCompressedTexImage1D := glLoad('glCompressedTexImage1DARB'); - glCompressedTexImage2D := glLoad('glCompressedTexImage2DARB'); - glGetCompressedTexImage := glLoad('glGetCompressedTexImageARB'); - end; - {$ifdef GLB_DELPHI} + TfdLuminance8 = class(TfdLuminance_UB1) + constructor Create; override; end; - {$endif} -end; -{$endif} + TfdLuminance12 = class(TfdLuminance_US1) + constructor Create; override; + end; -function glBitmapPosition(X, Y: Integer): TglBitmapPixelPosition; -begin - Result.Fields := []; + TfdLuminance16 = class(TfdLuminance_US1) + constructor Create; override; + end; - if X >= 0 then - Result.Fields := Result.Fields + [ffX]; - if Y >= 0 then - Result.Fields := Result.Fields + [ffY]; + TfdLuminance4Alpha4 = class(TfdLuminanceAlpha_UB2) + constructor Create; override; + end; - Result.X := Max(0, X); - Result.Y := Max(0, Y); -end; + TfdLuminance6Alpha2 = class(TfdLuminanceAlpha_UB2) + constructor Create; override; + end; + TfdLuminance8Alpha8 = class(TfdLuminanceAlpha_UB2) + constructor Create; override; + end; -const - UNSUPPORTED_INTERNAL_FORMAT = 'the given format isn''t supported by this function.'; + TfdLuminance12Alpha4 = class(TfdLuminanceAlpha_US2) + constructor Create; override; + end; - PIXEL_DESC_ALPHA : TglBitmapPixelDesc = ( - RedRange : $00; RedShift : 0; - GreenRange : $00; GreenShift : 0; - BlueRange : $00; BlueShift : 0; - AlphaRange : $FF; AlphaShift : 0 ); + TfdLuminance12Alpha12 = class(TfdLuminanceAlpha_US2) + constructor Create; override; + end; - PIXEL_DESC_LUMINANCE : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 0; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $00; AlphaShift : 0 ); + TfdLuminance16Alpha16 = class(TfdLuminanceAlpha_US2) + constructor Create; override; + end; - PIXEL_DESC_DEPTH8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 0; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $00; AlphaShift : 0 ); + TfdR3G3B2 = class(TfdUniversal_UB1) + constructor Create; override; + end; - PIXEL_DESC_LUMINANCEALPHA : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 0; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $FF; AlphaShift : 8 ); + TfdRGB4 = class(TfdUniversal_US1) + constructor Create; override; + end; - PIXEL_DESC_RGBA4 : TglBitmapPixelDesc = ( - RedRange : $0F; RedShift : 8; - GreenRange : $0F; GreenShift : 4; - BlueRange : $0F; BlueShift : 0; - AlphaRange : $0F; AlphaShift : 12 ); + TfdR5G6B5 = class(TfdUniversal_US1) + constructor Create; override; + end; - PIXEL_DESC_R5G6B5 : TglBitmapPixelDesc = ( - RedRange : $1F; RedShift : 11; - GreenRange : $3F; GreenShift : 5; - BlueRange : $1F; BlueShift : 0; - AlphaRange : $00; AlphaShift : 0 ); + TfdRGB5 = class(TfdUniversal_US1) + constructor Create; override; + end; - PIXEL_DESC_RGB5A1 : TglBitmapPixelDesc = ( - RedRange : $1F; RedShift : 10; - GreenRange : $1F; GreenShift : 5; - BlueRange : $1F; BlueShift : 0; - AlphaRange : $01; AlphaShift : 15 ); + TfdRGB8 = class(TfdRGB_UB3) + constructor Create; override; + end; - PIXEL_DESC_RGB8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 8; - BlueRange : $FF; BlueShift : 16; - AlphaRange : $00; AlphaShift : 0 ); + TfdRGB10 = class(TfdUniversal_UI1) + constructor Create; override; + end; - PIXEL_DESC_RGBA8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 0; - GreenRange : $FF; GreenShift : 8; - BlueRange : $FF; BlueShift : 16; - AlphaRange : $FF; AlphaShift : 24 ); + TfdRGB12 = class(TfdRGB_US3) + constructor Create; override; + end; - PIXEL_DESC_BGR8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 16; - GreenRange : $FF; GreenShift : 8; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $00; AlphaShift : 0 ); + TfdRGB16 = class(TfdRGB_US3) + constructor Create; override; + end; - PIXEL_DESC_BGRA8 : TglBitmapPixelDesc = ( - RedRange : $FF; RedShift : 16; - GreenRange : $FF; GreenShift : 8; - BlueRange : $FF; BlueShift : 0; - AlphaRange : $FF; AlphaShift : 24 ); + TfdRGBA2 = class(TfdRGBA_UB4) + constructor Create; override; + end; - PIXEL_DESC_RGB10A2 : TglBitmapPixelDesc = ( - RedRange : $3FF; RedShift : 20; - GreenRange : $3FF; GreenShift : 10; - BlueRange : $3FF; BlueShift : 0; - AlphaRange : $003; AlphaShift : 30 ); + TfdRGBA4 = class(TfdUniversal_US1) + constructor Create; override; + end; -{* -** Mapping -*} + TfdRGB5A1 = class(TfdUniversal_US1) + constructor Create; override; + end; -procedure MapAlpha(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Pixel.Alpha; - Inc(pDest); -end; + TfdRGBA8 = class(TfdRGBA_UB4) + constructor Create; override; + end; + TfdRGB10A2 = class(TfdUniversal_UI1) + constructor Create; override; + end; -procedure MapLuminance(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Trunc(Pixel.Red * 0.3 + Pixel.Green * 0.59 + Pixel.Blue * 0.11); - Inc(pDest); -end; + TfdRGBA12 = class(TfdRGBA_US4) + constructor Create; override; + end; + TfdRGBA16 = class(TfdRGBA_US4) + constructor Create; override; + end; -procedure MapDepth8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := (Pixel.Red + Pixel.Green + Pixel.Blue) div 3; - Inc(pDest); -end; + TfdBGR4 = class(TfdUniversal_US1) + constructor Create; override; + end; + TfdB5G6R5 = class(TfdUniversal_US1) + constructor Create; override; + end; -procedure MapLuminanceAlpha(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Trunc(Pixel.Red * 0.3 + Pixel.Green * 0.59 + Pixel.Blue * 0.11); - Inc(pDest); + TfdBGR5 = class(TfdUniversal_US1) + constructor Create; override; + end; - pDest^ := Pixel.Alpha; - Inc(pDest); -end; - - -procedure MapRGBA4(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_RGBA4.AlphaShift or - Pixel.Red shl PIXEL_DESC_RGBA4.RedShift or - Pixel.Green shl PIXEL_DESC_RGBA4.GreenShift or - Pixel.Blue; - - Inc(pDest, 2); -end; - - -procedure MapR5G6B5(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pWord(pDest)^ := - Pixel.Red shl PIXEL_DESC_R5G6B5.RedShift or - Pixel.Green shl PIXEL_DESC_R5G6B5.GreenShift or - Pixel.Blue; - - Inc(pDest, 2); -end; - - -procedure MapRGB5A1(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_RGB5A1.AlphaShift or - Pixel.Red shl PIXEL_DESC_RGB5A1.RedShift or - Pixel.Green shl PIXEL_DESC_RGB5A1.GreenShift or - Pixel.Blue; - - Inc(pDest, 2); -end; - - -procedure MapRGB8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Pixel.Red; - Inc(pDest); - - pDest^ := Pixel.Green; - Inc(pDest); - - pDest^ := Pixel.Blue; - Inc(pDest); -end; - - -procedure MapBGR8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDest^ := Pixel.Blue; - Inc(pDest); - - pDest^ := Pixel.Green; - Inc(pDest); - - pDest^ := Pixel.Red; - Inc(pDest); -end; - - -procedure MapRGBA8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_RGBA8.AlphaShift or - Pixel.Blue shl PIXEL_DESC_RGBA8.BlueShift or - Pixel.Green shl PIXEL_DESC_RGBA8.GreenShift or - Pixel.Red; - - Inc(pDest, 4); -end; + TfdBGR8 = class(TfdBGR_UB3) + constructor Create; override; + end; + TfdBGR10 = class(TfdUniversal_UI1) + constructor Create; override; + end; -procedure MapBGRA8(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_BGRA8.AlphaShift or - Pixel.Red shl PIXEL_DESC_BGRA8.RedShift or - Pixel.Green shl PIXEL_DESC_BGRA8.GreenShift or - Pixel.Blue; + TfdBGR12 = class(TfdBGR_US3) + constructor Create; override; + end; - Inc(pDest, 4); -end; + TfdBGR16 = class(TfdBGR_US3) + constructor Create; override; + end; + TfdBGRA2 = class(TfdBGRA_UB4) + constructor Create; override; + end; -procedure MapRGB10A2(const Pixel: TglBitmapPixelData; var pDest: pByte); -begin - pDWord(pDest)^ := - Pixel.Alpha shl PIXEL_DESC_RGB10A2.AlphaShift or - Pixel.Red shl PIXEL_DESC_RGB10A2.RedShift or - Pixel.Green shl PIXEL_DESC_RGB10A2.GreenShift or - Pixel.Blue; + TfdBGRA4 = class(TfdUniversal_US1) + constructor Create; override; + end; - Inc(pDest, 4); -end; + TfdBGR5A1 = class(TfdUniversal_US1) + constructor Create; override; + end; + TfdBGRA8 = class(TfdBGRA_UB4) + constructor Create; override; + end; -function FormatGetMapFunc(Format: TglBitmapInternalFormat): TglBitmapMapFunc; -begin - case Format of - ifAlpha: Result := MapAlpha; - ifLuminance: Result := MapLuminance; - ifDepth8: Result := MapDepth8; - ifLuminanceAlpha: Result := MapLuminanceAlpha; - ifRGBA4: Result := MapRGBA4; - ifR5G6B5: Result := MapR5G6B5; - ifRGB5A1: Result := MapRGB5A1; - ifRGB8: Result := MapRGB8; - ifBGR8: Result := MapBGR8; - ifRGBA8: Result := MapRGBA8; - ifBGRA8: Result := MapBGRA8; - ifRGB10A2: Result := MapRGB10A2; - else - raise EglBitmapUnsupportedInternalFormat.Create('FormatGetMapFunc - ' + UNSUPPORTED_INTERNAL_FORMAT); + TfdBGR10A2 = class(TfdUniversal_UI1) + constructor Create; override; end; -end; + TfdBGRA12 = class(TfdBGRA_US4) + constructor Create; override; + end; -{* -** Unmapping -*} -procedure UnMapAlpha(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Alpha := pData^; - Pixel.Red := Pixel.PixelDesc.RedRange; - Pixel.Green := Pixel.PixelDesc.GreenRange; - Pixel.Blue := Pixel.PixelDesc.BlueRange; + TfdBGRA16 = class(TfdBGRA_US4) + constructor Create; override; + end; - Inc(pData); -end; + TfdDepth16 = class(TfdDepth_US1) + constructor Create; override; + end; + TfdDepth24 = class(TfdDepth_UI1) + constructor Create; override; + end; -procedure UnMapLuminance(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Alpha := 255; - Pixel.Red := pData^; - Pixel.Green := pData^; - Pixel.Blue := pData^; + TfdDepth32 = class(TfdDepth_UI1) + constructor Create; override; + end; - Inc(pData); -end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TbmpBitfieldFormat = class(TFormatDescriptor) + private + procedure SetRedMask (const aValue: UInt64); + procedure SetGreenMask(const aValue: UInt64); + procedure SetBlueMask (const aValue: UInt64); + procedure SetAlphaMask(const aValue: UInt64); + procedure Update(aMask: UInt64; out aRange: Cardinal; out aShift: Byte); + public + property RedMask: UInt64 read GetRedMask write SetRedMask; + property GreenMask: UInt64 read GetGreenMask write SetGreenMask; + property BlueMask: UInt64 read GetBlueMask write SetBlueMask; + property AlphaMask: UInt64 read GetAlphaMask write SetAlphaMask; -procedure UnMapDepth8(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Alpha := 255; - Pixel.Red := pData^; - Pixel.Green := pData^; - Pixel.Blue := pData^; + property PixelSize: Single read fPixelSize write fPixelSize; - Inc(pData); -end; + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var 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 UnMapLuminanceAlpha(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Red := pData^; - Pixel.Green := pData^; - Pixel.Blue := pData^; - Inc(pData); + procedure CreateColorTable; - Pixel.Alpha := pData^; - Inc(pData); -end; + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override; + procedure Unmap(var aData: PByte; var 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 + ); -procedure UnMapRGBA4(var pData: pByte; var Pixel: TglBitmapPixelData); var - Temp: Word; + FormatDescriptorCS: TCriticalSection; + FormatDescriptors: array[TglBitmapFormat] of TFormatDescriptor; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapPosition(X, Y: Integer): TglBitmapPixelPosition; begin - Temp := pWord(pData)^; + result.Fields := []; - Pixel.Alpha := Temp shr PIXEL_DESC_RGBA4.AlphaShift and PIXEL_DESC_RGBA4.AlphaRange; - Pixel.Red := Temp shr PIXEL_DESC_RGBA4.RedShift and PIXEL_DESC_RGBA4.RedRange; - Pixel.Green := Temp shr PIXEL_DESC_RGBA4.GreenShift and PIXEL_DESC_RGBA4.GreenRange; - Pixel.Blue := Temp and PIXEL_DESC_RGBA4.BlueRange; + if X >= 0 then + result.Fields := result.Fields + [ffX]; + if Y >= 0 then + result.Fields := result.Fields + [ffY]; - Inc(pData, 2); + result.X := Max(0, X); + result.Y := Max(0, Y); end; - -procedure UnMapR5G6B5(var pData: pByte; var Pixel: TglBitmapPixelData); -var - Temp: Word; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapColorRec(const r, g, b, a: Cardinal): TglBitmapColorRec; begin - Temp := pWord(pData)^; - - Pixel.Alpha := Pixel.PixelDesc.AlphaRange; - Pixel.Red := Temp shr PIXEL_DESC_R5G6B5.RedShift and PIXEL_DESC_R5G6B5.RedRange; - Pixel.Green := Temp shr PIXEL_DESC_R5G6B5.GreenShift and PIXEL_DESC_R5G6B5.GreenRange; - Pixel.Blue := Temp and PIXEL_DESC_R5G6B5.BlueRange; - - Inc(pData, 2); + result.r := r; + result.g := g; + result.b := b; + result.a := a; end; - -procedure UnMapRGB5A1(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapColorRecCmp(const r1, r2: TglBitmapColorRec): Boolean; var - Temp: Word; + i: Integer; begin - Temp := pWord(pData)^; - - Pixel.Alpha := Temp shr PIXEL_DESC_RGB5A1.AlphaShift and PIXEL_DESC_RGB5A1.AlphaRange; - Pixel.Red := Temp shr PIXEL_DESC_RGB5A1.RedShift and PIXEL_DESC_RGB5A1.RedRange; - Pixel.Green := Temp shr PIXEL_DESC_RGB5A1.GreenShift and PIXEL_DESC_RGB5A1.GreenRange; - Pixel.Blue := Temp and PIXEL_DESC_RGB5A1.BlueRange; - - Inc(pData, 2); + result := false; + for i := 0 to high(r1.arr) do + if (r1.arr[i] <> r2.arr[i]) then + exit; + result := true; end; - -procedure UnMapRGB8(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapShiftRec(const r, g, b, a: Byte): TShiftRec; begin - Pixel.Alpha := Pixel.PixelDesc.AlphaRange; - - Pixel.Red := pData^; - Inc(pData); - - Pixel.Green := pData^; - Inc(pData); - - Pixel.Blue := pData^; - Inc(pData); + result.r := r; + result.g := g; + result.b := b; + result.a := a; end; - -procedure UnMapBGR8(var pData: pByte; var Pixel: TglBitmapPixelData); +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function FormatGetSupportedFiles(const aFormat: TglBitmapFormat): TglBitmapFileTypes; begin - Pixel.Alpha := Pixel.PixelDesc.AlphaRange; + result := [ftDDS]; - Pixel.Blue := pData^; - Inc(pData); + if (aFormat in [ + //4 bbp + tfLuminance4, - Pixel.Green := pData^; - Inc(pData); + //8bpp + tfR3G3B2, tfLuminance8, - Pixel.Red := pData^; - Inc(pData); -end; + //16bpp + tfRGB4, tfRGB5, tfR5G6B5, tfRGB5A1, tfRGBA4, + tfBGR4, tfBGR5, tfB5G6R5, tfBGR5A1, tfBGRA4, + //24bpp + tfBGR8, tfRGB8, -procedure UnMapRGBA8(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Red := pData^; - Inc(pData); + //32bpp + tfRGB10, tfRGB10A2, tfRGBA8, + tfBGR10, tfBGR10A2, tfBGRA8]) then + result := result + [ftBMP]; - Pixel.Green := pData^; - Inc(pData); + if (aFormat in [ + //8 bpp + tfLuminance8, tfAlpha8, - Pixel.Blue := pData^; - Inc(pData); + //16 bpp + tfLuminance16, tfLuminance8Alpha8, + tfRGB5, tfRGB5A1, tfRGBA4, + tfBGR5, tfBGR5A1, tfBGRA4, - Pixel.Alpha := pData^; - Inc(pData); -end; + //24 bpp + tfRGB8, tfBGR8, + //32 bpp + tfRGB10A2, tfRGBA8, tfBGR10A2, tfBGRA8]) then + result := result + [ftTGA]; -procedure UnMapBGRA8(var pData: pByte; var Pixel: TglBitmapPixelData); -begin - Pixel.Blue := pData^; - Inc(pData); + //TODO Supported File Formats! - Pixel.Green := pData^; - Inc(pData); + (* + {$IFDEF GLB_SUPPORT_PNG_WRITE} + if aFormat in [ + tfAlpha4, tfAlpha8, tfAlpha12, tfAlpha16, + tfLuminance4, tfLuminance8, tfLuminance12, tfLuminance16, + tfuminance4Alpha4, tfLuminance6Alpha2, tfLuminance8Alpha8, tfLuminance12Alpha4, tfLuminance12Alpha12, tfLuminance16Alpha16, + tfR3G3B2, tfRGB4, tfRGB5, tfRGB8, tfRGB10, tfRGB12, tfRGB16, + tfRGBA2, tfRGBA4, tfRGB5A1, tfRGBA8, tfRGB10A2, tfRGBA12, tfRGBA16, + tfDepth16, tfDepth24, tfDepth32] + then + result := result + [ftPNG]; + {$ENDIF} - Pixel.Red := pData^; - Inc(pData); + {$IFDEF GLB_SUPPORT_JPEG_WRITE} + if Format in [ + tfAlpha4, tfAlpha8, tfAlpha12, tfAlpha16, + tfLuminance4, tfLuminance8, tfLuminance12, tfLuminance16, + tfR3G3B2, tfRGB4, tfRGB5, tfRGB8, tfRGB10, tfRGB12, tfRGB16, + tfDepth16, tfDepth24, tfDepth32] + then + result := result + [ftJPEG]; + {$ENDIF} - Pixel.Alpha := pData^; - Inc(pData); + if aFormat in [ + tfAlpha4, tfAlpha8, tfAlpha12, tfAlpha16, + tfLuminance4, tfLuminance8, tfLuminance12, tfLuminance16, + tfuminance4Alpha4, tfLuminance6Alpha2, tfLuminance8Alpha8, tfLuminance12Alpha4, tfLuminance12Alpha12, tfLuminance16Alpha16, + tfR3G3B2, tfRGB4, tfRGB5, tfRGB8, tfRGB10, tfRGB12, tfRGB16, + tfRGBA2, tfRGBA4, tfRGB5A1, tfRGBA8, tfRGB10A2, tfRGBA12, tfRGBA16, + tfDepth16, tfDepth24, tfDepth32] + then + result := result + [ftDDS, ftTGA, ftBMP]; + *) end; - -procedure UnMapRGB10A2(var pData: pByte; var Pixel: TglBitmapPixelData); -var - Temp: DWord; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function IsPowerOfTwo(aNumber: Integer): Boolean; begin - Temp := pDWord(pData)^; - - Pixel.Alpha := Temp shr PIXEL_DESC_RGB10A2.AlphaShift and PIXEL_DESC_RGB10A2.AlphaRange; - Pixel.Red := Temp shr PIXEL_DESC_RGB10A2.RedShift and PIXEL_DESC_RGB10A2.RedRange; - Pixel.Green := Temp shr PIXEL_DESC_RGB10A2.GreenShift and PIXEL_DESC_RGB10A2.GreenRange; - Pixel.Blue := Temp and PIXEL_DESC_RGB10A2.BlueRange; - - Inc(pData, 4); + while (aNumber and 1) = 0 do + aNumber := aNumber shr 1; + result := aNumber = 1; end; - -function FormatGetUnMapFunc(Format: TglBitmapInternalFormat): TglBitmapUnMapFunc; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function GetTopMostBit(aBitSet: UInt64): Integer; begin - case Format of - ifAlpha: Result := UnmapAlpha; - ifLuminance: Result := UnMapLuminance; - ifDepth8: Result := UnMapDepth8; - ifLuminanceAlpha: Result := UnMapLuminanceAlpha; - ifRGBA4: Result := UnMapRGBA4; - ifR5G6B5: Result := UnMapR5G6B5; - ifRGB5A1: Result := UnMapRGB5A1; - ifRGB8: Result := UnMapRGB8; - ifBGR8: Result := UnMapBGR8; - ifRGBA8: Result := UnMapRGBA8; - ifBGRA8: Result := UnMapBGRA8; - ifRGB10A2: Result := UnMapRGB10A2; - else - raise EglBitmapUnsupportedInternalFormat.Create('FormatGetUnMapFunc - ' + UNSUPPORTED_INTERNAL_FORMAT); + result := 0; + while aBitSet > 0 do begin + inc(result); + aBitSet := aBitSet shr 1; end; end; -{* -** Tools -*} -function FormatGetSize (Format: TglBitmapInternalFormat): Single; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function CountSetBits(aBitSet: UInt64): Integer; begin - case Format of - ifEmpty: - Result := 0; - ifDXT1: - Result := 0.5; - ifAlpha, ifLuminance, ifDepth8, ifDXT3, ifDXT5: - Result := 1; - ifLuminanceAlpha, ifRGBA4, ifRGB5A1, ifR5G6B5: - Result := 2; - ifBGR8, ifRGB8: - Result := 3; - ifBGRA8, ifRGBA8, ifRGB10A2: - Result := 4; - else - raise EglBitmapUnsupportedInternalFormat.Create('FormatGetSize - ' + UNSUPPORTED_INTERNAL_FORMAT); + result := 0; + while aBitSet > 0 do begin + if (aBitSet and 1) = 1 then + inc(result); + aBitSet := aBitSet shr 1; end; end; - -function FormatIsCompressed(Format: TglBitmapInternalFormat): boolean; +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function LuminanceWeight(const aPixel: TglBitmapPixelData): Cardinal; begin - Result := Format in [ifDXT1, ifDXT3, ifDXT5]; + result := Trunc( + LUMINANCE_WEIGHT_R * aPixel.Data.r + + LUMINANCE_WEIGHT_G * aPixel.Data.g + + LUMINANCE_WEIGHT_B * aPixel.Data.b); end; - -function FormatIsUncompressed(Format: TglBitmapInternalFormat): boolean; +function DepthWeight(const aPixel: TglBitmapPixelData): Cardinal; begin - Result := Format in [ifAlpha, ifLuminance, ifDepth8, ifLuminanceAlpha, ifRGBA4, ifRGB5A1, ifR5G6B5, ifBGR8, ifRGB8, ifBGRA8, ifRGBA8, ifRGB10A2]; + result := Trunc( + DEPTH_WEIGHT_R * aPixel.Data.r + + DEPTH_WEIGHT_G * aPixel.Data.g + + DEPTH_WEIGHT_B * aPixel.Data.b); end; +//TODO check _ARB functions and constants -function FormatIsEmpty(Format: TglBitmapInternalFormat): boolean; -begin - Result := Format = ifEmpty; -end; +(* GLB_NO_NATIVE_GL +{$IFNDEF GLB_NO_NATIVE_GL} +procedure ReadOpenGLExtensions; +var + {$IFDEF GLB_DELPHI} + Context: HGLRC; + {$ENDIF} + Buffer: AnsiString; + MajorVersion, MinorVersion: Integer; -function FormatHasAlpha(Format: TglBitmapInternalFormat): Boolean; -begin - Result := Format in [ifDXT1, ifDXT3, ifDXT5 ,ifAlpha, ifLuminanceAlpha, ifRGBA4, ifRGB5A1, ifBGRA8, ifRGBA8, ifRGB10A2]; -end; + procedure TrimVersionString(Buffer: AnsiString; var Major, Minor: Integer); + var + Separator: Integer; + begin + Minor := 0; + Major := 0; + Separator := Pos(AnsiString('.'), Buffer); -procedure FormatPreparePixel(var Pixel: TglBitmapPixelData; Format: TglBitmapInternalFormat); -begin - FillChar(Pixel, SizeOf(Pixel), #0); + if (Separator > 1) and (Separator < Length(Buffer)) and + (Buffer[Separator - 1] in ['0'..'9']) and + (Buffer[Separator + 1] in ['0'..'9']) then begin - case Format of - ifAlpha: - Pixel.PixelDesc := PIXEL_DESC_ALPHA; - ifLuminance: - Pixel.PixelDesc := PIXEL_DESC_LUMINANCE; - ifDepth8: - Pixel.PixelDesc := PIXEL_DESC_DEPTH8; - ifLuminanceAlpha: - Pixel.PixelDesc := PIXEL_DESC_LUMINANCEALPHA; - ifRGBA4: - Pixel.PixelDesc := PIXEL_DESC_RGBA4; - ifR5G6B5: - Pixel.PixelDesc := PIXEL_DESC_R5G6B5; - ifRGB5A1: - Pixel.PixelDesc := PIXEL_DESC_RGB5A1; - ifDXT1, ifDXT3, ifDXT5, ifBGRA8: - Pixel.PixelDesc := PIXEL_DESC_BGRA8; - ifBGR8: - Pixel.PixelDesc := PIXEL_DESC_BGR8; - ifRGB8: - Pixel.PixelDesc := PIXEL_DESC_RGB8; - ifRGBA8: - Pixel.PixelDesc := PIXEL_DESC_RGBA8; - ifRGB10A2: - Pixel.PixelDesc := PIXEL_DESC_RGB10A2; - end; - - Pixel.Red := Pixel.PixelDesc.RedRange; - Pixel.Green := Pixel.PixelDesc.GreenRange; - Pixel.Blue := Pixel.PixelDesc.BlueRange; - Pixel.Alpha := Pixel.PixelDesc.AlphaRange; -end; - - -function FormatGetWithoutAlpha(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; -begin - case Format of - ifAlpha: - Result := ifLuminance; - ifLuminanceAlpha: - Result := ifLuminance; - ifRGBA4: - Result := ifR5G6B5; - ifRGB5A1: - Result := ifR5G6B5; - ifBGRA8: - Result := ifBGR8; - ifRGBA8: - Result := ifRGB8; - ifRGB10A2: - Result := ifRGB8; - else - Result := Format; - end; -end; + Dec(Separator); + while (Separator > 0) and (Buffer[Separator] in ['0'..'9']) do + Dec(Separator); + Delete(Buffer, 1, Separator); + Separator := Pos(AnsiString('.'), Buffer) + 1; -function FormatGetWithAlpha(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; -begin - case Format of - ifLuminance: - Result := ifLuminanceAlpha; - ifR5G6B5: - Result := ifRGB5A1; - ifBGR8: - Result := ifBGRA8; - ifRGB8: - Result := ifRGBA8; - else - Result := Format; - end; -end; + while (Separator <= Length(Buffer)) and (AnsiChar(Buffer[Separator]) in ['0'..'9']) do + Inc(Separator); + Delete(Buffer, Separator, 255); + Separator := Pos(AnsiString('.'), Buffer); -function FormatGetUncompressed(Format: TglBitmapInternalFormat): TglBitmapInternalFormat; -begin - case Format of - ifDXT1: - Result := ifRGB5A1; - ifDXT3: - Result := ifRGBA8; - ifDXT5: - Result := ifRGBA8; - else - Result := Format; + Major := StrToInt(Copy(String(Buffer), 1, Separator - 1)); + Minor := StrToInt(Copy(String(Buffer), Separator + 1, 1)); + end; end; -end; - - -function FormatGetImageSize(Size: TglBitmapPixelPosition; Format: TglBitmapInternalFormat): Integer; -begin - if (Size.X = 0) and (Size.Y = 0) then - Result := 0 - else - Result := Trunc(Max(Size.Y, 1) * Max(Size.X, 1) * FormatGetSize(Format)); -end; - - -function FormatGetSupportedFiles(Format: TglBitmapInternalFormat): TglBitmapFileTypes; -begin - Result := []; - - {$ifdef GLB_SUPPORT_PNG_WRITE} - if Format in [ifLuminance, ifAlpha, ifDepth8, ifLuminanceAlpha, ifBGR8, ifBGRA8, ifRGB8, ifRGBA8] then - Result := Result + [ftPNG]; - {$endif} - - {$ifdef GLB_SUPPORT_JPEG_WRITE} - if Format in [ifLuminance, ifAlpha, ifDepth8, ifRGB8, ifBGR8] then - Result := Result + [ftJPEG]; - {$endif} - - Result := Result + [ftDDS]; - if Format in [ifLuminance, ifAlpha, ifDepth8, ifLuminanceAlpha, ifBGR8, ifRGB8, ifBGRA8, ifRGBA8] then - Result := Result + [ftTGA]; - if Format in [ifLuminance, ifAlpha, ifDepth8, ifLuminanceAlpha, ifRGBA4, ifRGB5A1, ifR5G6B5, ifRGB8, ifBGR8, ifRGBA8, ifBGRA8, ifRGB10A2] then - Result := Result + [ftBMP]; -end; - - -function FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; Format: TglBitmapInternalFormat): boolean; -var - Pix: TglBitmapPixelData; -begin - Result := False; - - if (RedMask = 0) and (GreenMask = 0) and (BlueMask = 0) and (AlphaMask = 0) then - raise EglBitmapException.Create('FormatCheckFormat - All Masks are 0'); - - FormatPreparePixel(Pix, Format); - - with Pix.PixelDesc do begin - if RedMask <> 0 then - if (RedMask <> (RedRange shl RedShift)) then - Exit; - - if GreenMask <> 0 then - if (GreenMask <> (GreenRange shl GreenShift)) then - Exit; + function CheckExtension(const Extension: AnsiString): Boolean; + var + ExtPos: Integer; + begin + ExtPos := Pos(Extension, Buffer); + result := ExtPos > 0; - if BlueMask <> 0 then - if (BlueMask <> (BlueRange shl BlueShift)) then - Exit; + if result then + result := ((ExtPos + Length(Extension) - 1) = Length(Buffer)) or not (Buffer[ExtPos + Length(Extension)] in ['_', 'A'..'Z', 'a'..'z']); + end; - if AlphaMask <> 0 then - if (AlphaMask <> (AlphaRange shl AlphaShift)) then - Exit; - Result := True; + function glLoad (aFunc: pAnsiChar): pointer; + begin + {$IFDEF LINUX} + result := glXGetProcAddress(aFunc); + {$else} + result := wglGetProcAddress(aFunc); + {$ENDIF} end; -end; -function IsPowerOfTwo(Number: Integer): Boolean; begin - while Number and 1 = 0 do - Number := Number shr 1; + {$IFDEF GLB_DELPHI} + Context := wglGetCurrentContext; - Result := Number = 1; -end; + if Context <> gLastContext then begin + gLastContext := Context; + {$ENDIF} + + // Version + Buffer := glGetString(GL_VERSION); + TrimVersionString(Buffer, MajorVersion, MinorVersion); + GL_VERSION_1_2 := false; + GL_VERSION_1_3 := false; + GL_VERSION_1_4 := false; + GL_VERSION_2_0 := false; -function GetBitSize(BitSet: Cardinal): Integer; -begin - Result := 0; + if MajorVersion = 1 then begin + if MinorVersion >= 1 then begin + if MinorVersion >= 2 then + GL_VERSION_1_2 := true; - while BitSet > 0 do begin - if (BitSet and $1) = 1 then - Inc(Result); + if MinorVersion >= 3 then + GL_VERSION_1_3 := true; - BitSet := BitSet shr 1; - end; -end; + if MinorVersion >= 4 then + GL_VERSION_1_4 := true; + end; + end; + if MajorVersion >= 2 then begin + GL_VERSION_1_2 := true; + GL_VERSION_1_3 := true; + GL_VERSION_1_4 := true; + GL_VERSION_2_0 := true; + end; -procedure SwapRGB(pData: pByte; Width: Integer; HasAlpha: Boolean); -type - PRGBPix = ^TRGBPix; - TRGBPix = array [0..2] of byte; -var - Temp: Byte; -begin - while Width > 0 do begin - Temp := pRGBPIX(pData)^[0]; - pRGBPIX(pData)^[0] := pRGBPIX(pData)^[2]; - pRGBPIX(pData)^[2] := Temp; + // Extensions + Buffer := glGetString(GL_EXTENSIONS); + GL_ARB_texture_border_clamp := CheckExtension('GL_ARB_texture_border_clamp'); + GL_ARB_texture_cube_map := CheckExtension('GL_ARB_texture_cube_map'); + GL_ARB_texture_compression := CheckExtension('GL_ARB_texture_compression'); + GL_ARB_texture_non_power_of_two := CheckExtension('GL_ARB_texture_non_power_of_two'); + GL_ARB_texture_rectangle := CheckExtension('GL_ARB_texture_rectangle'); + GL_ARB_texture_mirrored_repeat := CheckExtension('GL_ARB_texture_mirrored_repeat'); + GL_EXT_bgra := CheckExtension('GL_EXT_bgra'); + GL_EXT_texture_edge_clamp := CheckExtension('GL_EXT_texture_edge_clamp'); + GL_EXT_texture_cube_map := CheckExtension('GL_EXT_texture_cube_map'); + GL_EXT_texture_compression_s3tc := CheckExtension('GL_EXT_texture_compression_s3tc'); + GL_EXT_texture_filter_anisotropic := CheckExtension('GL_EXT_texture_filter_anisotropic'); + GL_EXT_texture_rectangle := CheckExtension('GL_EXT_texture_rectangle'); + 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 HasAlpha then - Inc(pData, 4) - else - Inc(pData, 3); + // Funtions + if GL_VERSION_1_3 then begin + // Loading Core + glCompressedTexImage1D := glLoad('glCompressedTexImage1D'); + glCompressedTexImage2D := glLoad('glCompressedTexImage2D'); + glGetCompressedTexImage := glLoad('glGetCompressedTexImage'); + end else - Dec(Width); + begin + // Try loading Extension + glCompressedTexImage1D := glLoad('glCompressedTexImage1DARB'); + glCompressedTexImage2D := glLoad('glCompressedTexImage2DARB'); + glGetCompressedTexImage := glLoad('glGetCompressedTexImageARB'); + end; + {$IFDEF GLB_DELPHI} end; + {$ENDIF} end; +{$ENDIF} +*) - -{$ifdef GLB_DELPHI} +(* TODO GLB_DELPHI +{$IFDEF GLB_DELPHI} function CreateGrayPalette: HPALETTE; var Idx: Integer; @@ -1899,160 +1872,153 @@ begin {$R+} {$ENDIF} - Result := CreatePalette(Pal^); + result := CreatePalette(Pal^); FreeMem(Pal); end; -{$endif} - +{$ENDIF} +*) -{$ifdef GLB_SDL_IMAGE} +(* TODO GLB_SDL_IMAGE +{$IFDEF GLB_SDL_IMAGE} function glBitmapRWseek(context: PSDL_RWops; offset: Integer; whence: Integer): Integer; cdecl; begin - Result := TStream(context^.unknown.data1).Seek(offset, whence); + 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); + 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); + result := TStream(context^.unknown.data1).Write(Ptr^, size * num); end; - function glBitmapRWclose(context: PSDL_RWops): Integer; cdecl; begin - Result := 0; + result := 0; end; - function glBitmapCreateRWops(Stream: TStream): PSDL_RWops; begin - Result := SDL_AllocRW; + result := SDL_AllocRW; - if Result = nil then + 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; + result^.seek := glBitmapRWseek; + result^.read := glBitmapRWread; + result^.write := glBitmapRWwrite; + result^.close := glBitmapRWclose; + result^.unknown.data1 := Stream; end; -{$endif} +{$ENDIF} +*) - -{* -** Helper functions -*} -function LoadTexture(Filename: String; var Texture: Cardinal{$ifdef GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal{$endif}): Boolean; +(* TODO LoadFuncs +function LoadTexture(Filename: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal{$ENDIF}): Boolean; var glBitmap: TglBitmap2D; begin - Result := false; + result := false; Texture := 0; - {$ifdef GLB_DELPHI} + {$IFDEF GLB_DELPHI} if Instance = 0 then Instance := HInstance; if (LoadFromRes) then glBitmap := TglBitmap2D.CreateFromResourceName(Instance, FileName) else - {$endif} + {$ENDIF} glBitmap := TglBitmap2D.Create(FileName); try - glBitmap.DeleteTextureOnFree := False; - glBitmap.FreeDataAfterGenTexture := False; - glBitmap.GenTexture(True); + glBitmap.DeleteTextureOnFree := false; + glBitmap.FreeDataAfterGenTexture := false; + glBitmap.GenTexture(true); if (glBitmap.ID > 0) then begin Texture := glBitmap.ID; - Result := True; + result := true; end; finally glBitmap.Free; end; end; - -function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$ifdef GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal{$endif}): Boolean; +function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal{$ENDIF}): Boolean; var CM: TglBitmapCubeMap; begin Texture := 0; - {$ifdef GLB_DELPHI} + {$IFDEF GLB_DELPHI} if Instance = 0 then Instance := HInstance; - {$endif} + {$ENDIF} CM := TglBitmapCubeMap.Create; try - CM.DeleteTextureOnFree := False; + CM.DeleteTextureOnFree := false; // Maps - {$ifdef GLB_DELPHI} + {$IFDEF GLB_DELPHI} if (LoadFromRes) then CM.LoadFromResource(Instance, PositiveX) else - {$endif} + {$ENDIF} CM.LoadFromFile(PositiveX); CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_X); - {$ifdef GLB_DELPHI} + {$IFDEF GLB_DELPHI} if (LoadFromRes) then CM.LoadFromResource(Instance, NegativeX) else - {$endif} + {$ENDIF} CM.LoadFromFile(NegativeX); CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_X); - {$ifdef GLB_DELPHI} + {$IFDEF GLB_DELPHI} if (LoadFromRes) then CM.LoadFromResource(Instance, PositiveY) else - {$endif} + {$ENDIF} CM.LoadFromFile(PositiveY); CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Y); - {$ifdef GLB_DELPHI} + {$IFDEF GLB_DELPHI} if (LoadFromRes) then CM.LoadFromResource(Instance, NegativeY) else - {$endif} + {$ENDIF} CM.LoadFromFile(NegativeY); CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y); - {$ifdef GLB_DELPHI} + {$IFDEF GLB_DELPHI} if (LoadFromRes) then CM.LoadFromResource(Instance, PositiveZ) else - {$endif} + {$ENDIF} CM.LoadFromFile(PositiveZ); CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_POSITIVE_Z); - {$ifdef GLB_DELPHI} + {$IFDEF GLB_DELPHI} if (LoadFromRes) then CM.LoadFromResource(Instance, NegativeZ) else - {$endif} + {$ENDIF} CM.LoadFromFile(NegativeZ); CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z); Texture := CM.ID; - Result := True; + result := true; finally CM.Free; end; end; - function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean; var NM: TglBitmapNormalMap; @@ -2061,2336 +2027,3407 @@ begin NM := TglBitmapNormalMap.Create; try - NM.DeleteTextureOnFree := False; + NM.DeleteTextureOnFree := false; NM.GenerateNormalMap(Size); Texture := NM.ID; - Result := True; + result := true; finally NM.Free; end; end; +*) - -{* -** Defaults -*} -procedure glBitmapSetDefaultFormat(Format: TglBitmapFormat); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean); begin - glBitmapDefaultFormat := Format; + glBitmapDefaultDeleteTextureOnFree := aDeleteTextureOnFree; end; - -procedure glBitmapSetDefaultDeleteTextureOnFree(DeleteTextureOnFree: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFreeDataAfterGenTexture(const aFreeData: Boolean); begin - glBitmapDefaultDeleteTextureOnFree := DeleteTextureOnFree; + glBitmapDefaultFreeDataAfterGenTextures := aFreeData; end; - -procedure glBitmapSetDefaultFilter(Min, Mag: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultMipmap(const aValue: TglBitmapMipMap); begin - glBitmapDefaultFilterMin := Min; - glBitmapDefaultFilterMag := Mag; + glBitmapDefaultMipmap := aValue; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapSetDefaultFormat(const aFormat: TglBitmapFormat); +begin + glBitmapDefaultFormat := aFormat; +end; -procedure glBitmapSetDefaultWrap(S: Integer; T: Integer; R: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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 glBitmapSetDefaultFreeDataAfterGenTexture(FreeData: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultDeleteTextureOnFree: Boolean; begin - glBitmapDefaultFreeDataAfterGenTextures := FreeData; + result := glBitmapDefaultDeleteTextureOnFree; end; - -function glBitmapGetDefaultFormat: TglBitmapFormat; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; begin - Result := glBitmapDefaultFormat; + result := glBitmapDefaultFreeDataAfterGenTextures; end; - -function glBitmapGetDefaultDeleteTextureOnFree: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultMipmap: TglBitmapMipMap; begin - Result := glBitmapDefaultDeleteTextureOnFree; + result := glBitmapDefaultMipmap; end; - -procedure glBitmapGetDefaultFilter(var Min, Mag: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function glBitmapGetDefaultFormat: TglBitmapFormat; begin - Min := glBitmapDefaultFilterMin; - Mag := glBitmapDefaultFilterMag; + result := glBitmapDefaultFormat; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultFilter(var aMin, aMag: Cardinal); +begin + aMin := glBitmapDefaultFilterMin; + aMag := glBitmapDefaultFilterMag; +end; -procedure glBitmapGetDefaultTextureWrap(var S, T, R: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapGetDefaultTextureWrap(var S, T, R: Cardinal); begin S := glBitmapDefaultWrapS; T := glBitmapDefaultWrapT; R := glBitmapDefaultWrapR; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmapFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetRedMask: UInt64; +begin + result := fRange.r shl fShift.r; +end; -function glBitmapGetDefaultFreeDataAfterGenTexture: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetGreenMask: UInt64; begin - Result := glBitmapDefaultFreeDataAfterGenTextures; + result := fRange.g shl fShift.g; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetBlueMask: UInt64; +begin + result := fRange.b shl fShift.b; +end; -{ TglBitmap } +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetAlphaMask: UInt64; +begin + result := fRange.a shl fShift.a; +end; -procedure TglBitmap.AfterConstruction; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.GetComponents: Integer; +var + i: Integer; begin - inherited; + result := 0; + for i := 0 to 3 do + if (fRange.arr[i] > 0) then + inc(result); +end; - fID := 0; - fTarget := 0; - fMipMap := mmMipmap; - fIsResident := False; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; - // get defaults - fFreeDataAfterGenTexture := glBitmapGetDefaultFreeDataAfterGenTexture; - fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; - fFormat := glBitmapGetDefaultFormat; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.CreateMappingData: Pointer; +begin + result := nil; +end; - glBitmapGetDefaultFilter(fFilterMin, fFilterMag); - glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TFormatDescriptor.FreeMappingData(var aMappingData: Pointer); +begin + //DUMMY end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.IsEmpty: Boolean; +begin + result := (fFormat = tfEmpty); +end; -procedure TglBitmap.BeforeDestruction; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.HasAlpha: Boolean; +begin + result := (fRange.a > 0); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TFormatDescriptor.MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: UInt64): Boolean; begin - SetDataPointer(nil, ifEmpty); + result := false; - if ((ID > 0) and (fDeleteTextureOnFree)) then - glDeleteTextures(1, @ID); + if (aRedMask = 0) and (aGreenMask = 0) and (aBlueMask = 0) and (aAlphaMask = 0) then + raise EglBitmapException.Create('FormatCheckFormat - All Masks are 0'); - inherited; + 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(var aPixel: TglBitmapPixelData); +begin + FillChar(aPixel, SizeOf(aPixel), 0); + aPixel.Data := fRange; + aPixel.Range := fRange; + aPixel.Format := fFormat; +end; -constructor TglBitmap.Create; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TFormatDescriptor.Create; begin - {$ifndef GLB_NO_NATIVE_GL} - ReadOpenGLExtensions; - {$endif} + inherited Create; - if (ClassType = TglBitmap) then - raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); + fFormat := tfEmpty; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfEmpty; + fRGBInverted := tfEmpty; + fPixelSize := 0.0; - inherited Create; -end; + fglFormat := 0; + fglInternalFormat := 0; + fglDataFormat := 0; + FillChar(fRange, 0, SizeOf(fRange)); + FillChar(fShift, 0, SizeOf(fShift)); +end; -constructor TglBitmap.Create(FileName: String); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdAlpha_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlpha_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Create; - LoadFromFile(FileName); + aData^ := aPixel.Data.a; + inc(aData); end; - -constructor TglBitmap.Create(Stream: TStream); +procedure TfdAlpha_UB1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); begin - Create; - LoadFromStream(Stream); + 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 := $FF; + fglFormat := GL_ALPHA; + fglDataFormat := GL_UNSIGNED_BYTE; +end; -{$ifdef GLB_DELPHI} -constructor TglBitmap.CreateFromResourceName(Instance: Cardinal; Resource: String; ResType: PChar); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminance_UB1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminance_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Create; - LoadFromResource(Instance, Resource, ResType); + aData^ := LuminanceWeight(aPixel); + inc(aData); end; +procedure TfdLuminance_UB1.Unmap(var aData: PByte; var 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 TglBitmap.Create(Instance: Cardinal; Resource: String; ResType: PChar); +constructor TfdLuminance_UB1.Create; begin - Create; - LoadFromResource(Instance, Resource, ResType); + 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; var 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; -constructor TglBitmap.Create(Instance: Cardinal; ResourceID: Integer; ResType: PChar); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminanceAlpha_UB2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceAlpha_UB2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Create; - LoadFromResourceID(Instance, ResourceID, ResType); + inherited Map(aPixel, aData, aMapData); + aData^ := aPixel.Data.a; + inc(aData); end; -{$endif} +procedure TfdLuminanceAlpha_UB2.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := aData^; + inc(aData); +end; -constructor TglBitmap.Create(Size: TglBitmapPixelPosition; - Format: TglBitmapInternalFormat); -var - Image: pByte; - ImageSize: Integer; +constructor TfdLuminanceAlpha_UB2.Create; begin - Create; + inherited Create; + fPixelSize := 2.0; + fRange.a := $FF; + fShift.a := 8; + fglFormat := GL_LUMINANCE_ALPHA; + fglDataFormat := GL_UNSIGNED_BYTE; +end; - ImageSize := FormatGetImageSize(Size, Format); - GetMem(Image, ImageSize); - try - FillChar(Image^, ImageSize, #$FF); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; - SetDataPointer(Image, Format, Size.X, Size.Y); - except - FreeMem(Image); - raise; - end; +procedure TfdRGB_UB3.Unmap(var aData: PByte; var 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; -constructor TglBitmap.Create(Size: TglBitmapPixelPosition; - Format: TglBitmapInternalFormat; Func: TglBitmapFunction; CustomData: Pointer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGR_UB3////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGR_UB3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - Create; - LoadFromFunc(Size, Func, Format, CustomData); + 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; var 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; -function TglBitmap.Clone: TglBitmap; -var - Temp: TglBitmap; - TempPtr: pByte; - Size: Integer; +constructor TfdBGR_UB3.Create; begin - Temp := ClassType.Create as TglBitmap; - try - // copy texture data if assigned - if Assigned(Data) then begin - Size := FormatGetImageSize(glBitmapPosition(Width, Height), InternalFormat); + 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; - GetMem(TempPtr, Size); - try - Move(Data^, TempPtr^, Size); - Temp.SetDataPointer(TempPtr, InternalFormat, Width, Height); - except - FreeMem(TempPtr); - raise; - end; - end else - Temp.SetDataPointer(nil, InternalFormat, Width, Height); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; - // 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.fCustomDataPointer := fCustomDataPointer; - - Result := Temp; - except - FreeAndNil(Temp); - raise; - end; +procedure TfdRGBA_UB4.Unmap(var aData: PByte; var 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; -procedure TglBitmap.LoadFromFile(FileName: String); -var - FS: TFileStream; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdBGRA_UB4///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdBGRA_UB4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - fFilename := FileName; + inherited Map(aPixel, aData, aMapData); + aData^ := aPixel.Data.a; + inc(aData); +end; - FS := TFileStream.Create(FileName, fmOpenRead); - try - FS.Position := 0; - - LoadFromStream(FS); - finally - FS.Free; - end; +procedure TfdBGRA_UB4.Unmap(var aData: PByte; var 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 := $FF; + fShift.a := 24; + fglFormat := GL_BGRA; + fglDataFormat := GL_UNSIGNED_BYTE; +end; -procedure TglBitmap.LoadFromStream(Stream: TStream); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdAlpha_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdAlpha_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); begin - {$ifdef GLB_SUPPORT_PNG_READ} - if not LoadPNG(Stream) then - {$endif} - {$ifdef GLB_SUPPORT_JPEG_READ} - if not LoadJPEG(Stream) then - {$endif} - if not LoadDDS(Stream) then - if not LoadTGA(Stream) then - if not LoadBMP(Stream) then - raise EglBitmapException.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); end; +procedure TfdAlpha_US1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + aPixel.Data.r := 0; + aPixel.Data.g := 0; + aPixel.Data.b := 0; + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; -{$ifdef GLB_DELPHI} -procedure TglBitmap.LoadFromResource(Instance: Cardinal; Resource: String; ResType: PChar); -var - RS: TResourceStream; - TempPos: Integer; - ResTypeStr: String; - TempResType: PChar; +constructor TfdAlpha_US1.Create; begin - if Assigned(ResType) then - TempResType := ResType - else - begin - TempPos := Pos('.', Resource); - ResTypeStr := UpperCase(Copy(Resource, TempPos + 1, Length(Resource) - TempPos)); - Resource := UpperCase(Copy(Resource, 0, TempPos -1)); - TempResType := PChar(ResTypeStr); - end; + inherited Create; + fPixelSize := 2.0; + fRange.a := $FFFF; + fglFormat := GL_ALPHA; + fglDataFormat := GL_UNSIGNED_SHORT; +end; - RS := TResourceStream.Create(Instance, Resource, TempResType); - try - LoadFromStream(RS); - finally - RS.Free; - 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; var 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; -procedure TglBitmap.LoadFromResourceID(Instance: Cardinal; ResourceID: Integer; ResType: PChar); +constructor TfdLuminance_US1.Create; +begin + inherited Create; + fPixelSize := 2.0; + fRange.r := $FFFF; + fRange.g := $FFFF; + fRange.b := $FFFF; + fglFormat := GL_LUMINANCE; + fglDataFormat := GL_UNSIGNED_SHORT; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_US1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversal_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); var - RS: TResourceStream; + i: Integer; begin - RS := TResourceStream.CreateFromID(Instance, ResourceID, ResType); - try - LoadFromStream(RS); - finally - RS.Free; - end; + PWord(aData)^ := 0; + for i := 0 to 3 do + if (fRange.arr[i] > 0) then + PWord(aData)^ := PWord(aData)^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]); + inc(aData, 2); end; -{$endif} - - -procedure TglBitmap.LoadFromFunc(Size: TglBitmapPixelPosition; - Func: TglBitmapFunction; Format: TglBitmapInternalFormat; CustomData: Pointer); +procedure TfdUniversal_US1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); var - Image: pByte; - ImageSize: Integer; + i: Integer; begin - ImageSize := FormatGetImageSize(Size, Format); - GetMem(Image, ImageSize); - try - FillChar(Image^, ImageSize, #$FF); + for i := 0 to 3 do + aPixel.Data.arr[i] := (PWord(aData)^ shr fShift.arr[i]) and fRange.arr[i]; + inc(aData, 2); +end; - SetDataPointer(Image, Format, Size.X, Size.Y); - except - FreeMem(Image); - raise; - end; +constructor TfdUniversal_US1.Create; +begin + inherited Create; + fPixelSize := 2.0; +end; - AddFunc(Self, Func, False, Format, CustomData) +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; var 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; -procedure TglBitmap.SaveToFile(FileName: String; FileType: TglBitmapFileType); -var - FS: TFileStream; +constructor TfdDepth_US1.Create; begin - FS := TFileStream.Create(FileName, fmCreate); - try - FS.Position := 0; - SaveToStream(FS, FileType); - finally - FS.Free; - end; + inherited Create; + fPixelSize := 2.0; + fRange.r := $FFFF; + fRange.g := $FFFF; + fRange.b := $FFFF; + fglFormat := GL_DEPTH_COMPONENT; + fglDataFormat := GL_UNSIGNED_SHORT; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdLuminanceAlpha_US2/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdLuminanceAlpha_US2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + inherited Map(aPixel, aData, aMapData); + PWord(aData)^ := aPixel.Data.a; + inc(aData, 2); +end; -procedure TglBitmap.SaveToStream(Stream: TStream; FileType: TglBitmapFileType); +procedure TfdLuminanceAlpha_US2.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); begin - case FileType of - {$ifdef GLB_SUPPORT_PNG_WRITE} - ftPNG: SavePng(Stream); - {$endif} - {$ifdef GLB_SUPPORT_JPEG_WRITE} - ftJPEG: SaveJPEG(Stream); - {$endif} - ftDDS: SaveDDS(Stream); - ftTGA: SaveTGA(Stream); - ftBMP: SaveBMP(Stream); - end; + 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 := $FFFF; + fShift.a := 16; + fglFormat := GL_LUMINANCE_ALPHA; + fglDataFormat := GL_UNSIGNED_SHORT; +end; -{$ifdef GLB_SDL} -function TglBitmap.AssignToSurface(out Surface: PSDL_Surface): boolean; -var - Row, RowSize: Integer; - pSource, pData: PByte; - TempDepth: Integer; - Pix: TglBitmapPixelData; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; - function GetRowPointer(Row: Integer): pByte; - begin - Result := Surface.pixels; - Inc(Result, Row * RowSize); - end; +procedure TfdRGB_US3.Unmap(var aData: PByte; var 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 - Result := False; + 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; - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('AssignToSurface - ' + UNSUPPORTED_INTERNAL_FORMAT); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; - if Assigned(Data) then begin - case Trunc(FormatGetSize(InternalFormat)) of - 1: TempDepth := 8; - 2: TempDepth := 16; - 3: TempDepth := 24; - 4: TempDepth := 32; - else - raise EglBitmapException.Create('AssignToSurface - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; +procedure TfdBGR_US3.Unmap(var aData: PByte; var 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; - FormatPreparePixel(Pix, InternalFormat); +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; - with Pix.PixelDesc do - Surface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, TempDepth, RedRange shl RedShift, GreenRange shl GreenShift, BlueRange shl BlueShift, AlphaRange shl AlphaShift); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; - pSource := Data; - RowSize := Trunc(FileWidth * FormatGetSize(InternalFormat)); +procedure TfdRGBA_US4.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); +begin + inherited Unmap(aData, aPixel, aMapData); + aPixel.Data.a := PWord(aData)^; + inc(aData, 2); +end; - for Row := 0 to FileHeight -1 do begin - pData := GetRowPointer(Row); +constructor TfdRGBA_US4.Create; +begin + inherited Create; + fPixelSize := 8.0; + fRange.a := $FFFF; + fShift.a := 48; + fglFormat := GL_RGBA; + fglDataFormat := GL_UNSIGNED_SHORT; +end; - if Assigned(pData) then begin - Move(pSource^, pData^, RowSize); - Inc(pSource, RowSize); - end; - 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; - Result := True; - end; +procedure TfdBGRA_US4.Unmap(var aData: PByte; var 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; -function TglBitmap.AssignFromSurface(const Surface: PSDL_Surface): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdUniversal_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdUniversal_UI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); var - pSource, pData, pTempData: PByte; - Row, RowSize, TempWidth, TempHeight: Integer; - IntFormat: TglBitmapInternalFormat; - - function GetRowPointer(Row: Integer): pByte; - begin - Result := Surface^.pixels; - Inc(Result, Row * RowSize); - end; + 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; var aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + i: Integer; begin - Result := False; - - if (Assigned(Surface)) then begin - with Surface^.format^ do begin - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifLuminance) then - IntFormat := ifLuminance - else - - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifLuminanceAlpha) then - IntFormat := ifLuminanceAlpha - else - - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGBA4) then - IntFormat := ifRGBA4 - else + for i := 0 to 3 do + aPixel.Data.arr[i] := (PCardinal(aData)^ shr fShift.arr[i]) and fRange.arr[i]; + inc(aData, 2); +end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifR5G6B5) then - IntFormat := ifR5G6B5 - else +constructor TfdUniversal_UI1.Create; +begin + inherited Create; + fPixelSize := 4.0; +end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB5A1) then - IntFormat := ifRGB5A1 - else +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdDepth_UI1//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TfdDepth_UI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); +begin + PCardinal(aData)^ := DepthWeight(aPixel); + inc(aData, 4); +end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifBGR8) then - IntFormat := ifBGR8 - else +procedure TfdDepth_UI1.Unmap(var aData: PByte; var 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; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB8) then - IntFormat := ifRGB8 - else +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; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifBGRA8) then - IntFormat := ifBGRA8 - else +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TfdAlpha4.Create; +begin + inherited Create; + fFormat := tfAlpha4; + fWithAlpha := tfAlpha4; + fglInternalFormat := GL_ALPHA4; +end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGBA8) then - IntFormat := ifRGBA8 - else +constructor TfdAlpha8.Create; +begin + inherited Create; + fFormat := tfAlpha8; + fWithAlpha := tfAlpha8; + fglInternalFormat := GL_ALPHA8; +end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB10A2) then - IntFormat := ifRGB10A2 - else - raise EglBitmapException.Create('AssignFromSurface - Invalid Pixelformat.'); - end; +constructor TfdAlpha12.Create; +begin + inherited Create; + fFormat := tfAlpha12; + fWithAlpha := tfAlpha12; + fglInternalFormat := GL_ALPHA12; +end; - TempWidth := Surface^.w; - TempHeight := Surface^.h; +constructor TfdAlpha16.Create; +begin + inherited Create; + fFormat := tfAlpha16; + fWithAlpha := tfAlpha16; + fglInternalFormat := GL_ALPHA16; +end; - RowSize := Trunc(TempWidth * FormatGetSize(IntFormat)); +constructor TfdLuminance4.Create; +begin + inherited Create; + fFormat := tfLuminance4; + fWithAlpha := tfLuminance4Alpha4; + fWithoutAlpha := tfLuminance4; + fglInternalFormat := GL_LUMINANCE4; +end; - GetMem(pData, TempHeight * RowSize); - try - pTempData := pData; +constructor TfdLuminance8.Create; +begin + inherited Create; + fFormat := tfLuminance8; + fWithAlpha := tfLuminance8Alpha8; + fWithoutAlpha := tfLuminance8; + fglInternalFormat := GL_LUMINANCE8; +end; - for Row := 0 to TempHeight -1 do begin - pSource := GetRowPointer(Row); +constructor TfdLuminance12.Create; +begin + inherited Create; + fFormat := tfLuminance12; + fWithAlpha := tfLuminance12Alpha12; + fWithoutAlpha := tfLuminance12; + fglInternalFormat := GL_LUMINANCE12; +end; - if (Assigned(pSource)) then begin - Move(pSource^, pTempData^, RowSize); - Inc(pTempData, RowSize); - end; - end; +constructor TfdLuminance16.Create; +begin + inherited Create; + fFormat := tfLuminance16; + fWithAlpha := tfLuminance16Alpha16; + fWithoutAlpha := tfLuminance16; + fglInternalFormat := GL_LUMINANCE16; +end; - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); +constructor TfdLuminance4Alpha4.Create; +begin + inherited Create; + fFormat := tfLuminance4Alpha4; + fWithAlpha := tfLuminance4Alpha4; + fWithoutAlpha := tfLuminance4; + fglInternalFormat := GL_LUMINANCE4_ALPHA4; +end; - Result := True; - except - FreeMem(pData); - raise; - end; - 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; -function TglBitmap.AssignAlphaToSurface(out Surface: PSDL_Surface): boolean; -var - Row, Col, AlphaInterleave: Integer; - pSource, pDest: PByte; +constructor TfdLuminance12Alpha4.Create; +begin + inherited Create; + fFormat := tfLuminance12Alpha4; + fWithAlpha := tfLuminance12Alpha4; + fWithoutAlpha := tfLuminance12; + fglInternalFormat := GL_LUMINANCE12_ALPHA4; +end; - function GetRowPointer(Row: Integer): pByte; - begin - Result := Surface.pixels; - Inc(Result, Row * Width); - end; +constructor TfdLuminance12Alpha12.Create; +begin + inherited Create; + fFormat := tfLuminance12Alpha12; + fWithAlpha := tfLuminance12Alpha12; + fWithoutAlpha := tfLuminance12; + fglInternalFormat := GL_LUMINANCE12_ALPHA12; +end; +constructor TfdLuminance16Alpha16.Create; begin - Result := False; + inherited Create; + fFormat := tfLuminance16Alpha16; + fWithAlpha := tfLuminance16Alpha16; + fWithoutAlpha := tfLuminance16; + fglInternalFormat := GL_LUMINANCE16_ALPHA16; +end; - if Assigned(Data) then begin - if InternalFormat in [ifAlpha, ifLuminanceAlpha, ifBGRA8, ifRGBA8] then begin - Surface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, 8, $FF, $FF, $FF, 0); +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; - case InternalFormat of - ifLuminanceAlpha: - AlphaInterleave := 1; - ifBGRA8, ifRGBA8: - AlphaInterleave := 3; - else - AlphaInterleave := 0; - 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; - // Copy Data - pSource := Data; +constructor TfdRGB16.Create; +begin + inherited Create; + fFormat := tfRGB16; + fWithAlpha := tfRGBA16; + fWithoutAlpha := tfRGB16; + fRGBInverted := tfBGR16; + fglInternalFormat := GL_RGB16; +end; - for Row := 0 to Height -1 do begin - pDest := GetRowPointer(Row); +constructor TfdRGBA2.Create; +begin + inherited Create; + fFormat := tfRGBA2; + fWithAlpha := tfRGBA2; + fWithoutAlpha := tfR3G3B2; + fRGBInverted := tfBGRA2; + fglInternalFormat := GL_RGBA2; +end; - 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; +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; - Result := True; - end; - 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; -function TglBitmap.AddAlphaFromSurface(Surface: PSDL_Surface; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - glBitmap: TglBitmap2D; +constructor TfdBGR4.Create; begin - glBitmap := TglBitmap2D.Create; - try - glBitmap.AssignFromSurface(Surface); + 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; - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); - finally - glBitmap.Free; - 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 := $000; + fShift.r := 20; + fShift.g := 10; + fShift.b := 0; + fShift.a := 0; + fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA + fglInternalFormat := GL_RGB10; + fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV; +end; + +constructor TfdBGR12.Create; +begin + inherited Create; + fFormat := tfBGR12; + fWithAlpha := tfBGRA12; + fWithoutAlpha := tfBGR12; + fRGBInverted := tfRGB12; + fglInternalFormat := GL_RGB12; end; -{$endif} +constructor TfdBGR16.Create; +begin + inherited Create; + fFormat := tfBGR16; + fWithAlpha := tfBGRA16; + fWithoutAlpha := tfBGR16; + fRGBInverted := tfRGB16; + fglInternalFormat := GL_RGB16; +end; -{$ifdef GLB_DELPHI} -function TglBitmap.AssignFromBitmap(const Bitmap: TBitmap): boolean; -var - pSource, pData, pTempData: PByte; - Row, RowSize, TempWidth, TempHeight: Integer; - IntFormat: TglBitmapInternalFormat; +constructor TfdBGRA2.Create; begin - Result := False; + inherited Create; + fFormat := tfBGRA2; + fWithAlpha := tfBGRA4; + fWithoutAlpha := tfBGR4; + fRGBInverted := tfRGBA2; + fglInternalFormat := GL_RGBA2; +end; - if (Assigned(Bitmap)) then begin - case Bitmap.PixelFormat of - pf8bit: - IntFormat := ifLuminance; - pf15bit: - IntFormat := ifRGB5A1; - pf16bit: - IntFormat := ifR5G6B5; - pf24bit: - IntFormat := ifBGR8; - pf32bit: - IntFormat := ifBGRA8; - else - raise EglBitmapException.Create('AssignFromBitmap - Invalid Pixelformat.'); - 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; - TempWidth := Bitmap.Width; - TempHeight := Bitmap.Height; +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; - RowSize := Trunc(TempWidth * FormatGetSize(IntFormat)); +constructor TfdBGRA16.Create; +begin + inherited Create; + fFormat := tfBGRA16; + fWithAlpha := tfBGRA16; + fWithoutAlpha := tfBGR16; + fRGBInverted := tfRGBA16; + fglInternalFormat := GL_RGBA16; +end; - GetMem(pData, TempHeight * RowSize); - try - pTempData := pData; +constructor TfdDepth16.Create; +begin + inherited Create; + fFormat := tfDepth16; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfDepth16; + fglInternalFormat := GL_DEPTH_COMPONENT16; +end; - for Row := 0 to TempHeight -1 do begin - pSource := Bitmap.Scanline[Row]; +constructor TfdDepth24.Create; +begin + inherited Create; + fFormat := tfDepth24; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfDepth24; + fglInternalFormat := GL_DEPTH_COMPONENT24; +end; - if (Assigned(pSource)) then begin - Move(pSource^, pTempData^, RowSize); - Inc(pTempData, RowSize); - end; - end; +constructor TfdDepth32.Create; +begin + inherited Create; + fFormat := tfDepth32; + fWithAlpha := tfEmpty; + fWithoutAlpha := tfDepth32; + fglInternalFormat := GL_DEPTH_COMPONENT32; +end; - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Init; +begin + if not Assigned(FormatDescriptorCS) then + FormatDescriptorCS := TCriticalSection.Create; +end; - Result := True; - except - FreeMem(pData); - raise; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; -function TglBitmap.AssignToBitmap(const Bitmap: TBitmap): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Clear; var - Row: Integer; - pSource, pData: PByte; + f: TglBitmapFormat; begin - Result := False; + FormatDescriptorCS.Enter; + try + for f := low(FormatDescriptors) to high(FormatDescriptors) do + FreeAndNil(FormatDescriptors[f]); + finally + FormatDescriptorCS.Leave; + end; +end; - if Assigned(Data) then begin - if Assigned(Bitmap) then begin - Bitmap.Width := Width; - Bitmap.Height := Height; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class procedure TFormatDescriptor.Finalize; +begin + Clear; + FreeAndNil(FormatDescriptorCS); +end; - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - Bitmap.PixelFormat := pf8bit; - Bitmap.Palette := CreateGrayPalette; - end; - ifRGB5A1: - Bitmap.PixelFormat := pf15bit; - ifR5G6B5: - Bitmap.PixelFormat := pf16bit; - ifRGB8, ifBGR8: - Bitmap.PixelFormat := pf24bit; - ifRGBA8, ifBGRA8: - Bitmap.PixelFormat := pf32bit; - else - raise EglBitmapException.Create('AssignToBitmap - Invalid Pixelformat.'); - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TBitfieldFormat///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetRedMask(const aValue: UInt64); +begin + Update(aValue, fRange.r, fShift.r); +end; - pSource := Data; - for Row := 0 to FileHeight -1 do begin - pData := Bitmap.Scanline[Row]; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetGreenMask(const aValue: UInt64); +begin + Update(aValue, fRange.g, fShift.g); +end; - Move(pSource^, pData^, fRowSize); - Inc(pSource, fRowSize); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetBlueMask(const aValue: UInt64); +begin + Update(aValue, fRange.b, fShift.b); +end; - // swap RGB(A) to BGR(A) - if InternalFormat in [ifRGB8, ifRGBA8] then - SwapRGB(pData, FileWidth, InternalFormat = ifRGBA8); - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.SetAlphaMask(const aValue: UInt64); +begin + Update(aValue, fRange.a, fShift.a); +end; - Result := True; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.Update(aMask: UInt64; 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; -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; -function TglBitmap.AssignAlphaToBitmap(const Bitmap: TBitmap): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); var - Row, Col, AlphaInterleave: Integer; - pSource, pDest: PByte; -begin - Result := False; + data: UInt64; + s: Integer; +type + PUInt64 = ^UInt64; +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: PUInt64(aData)^ := data; + else + raise EglBitmapException.CreateFmt('invalid pixel size: %.1f', [fPixelSize]); + end; + inc(aData, s); +end; - if Assigned(Data) then begin - if InternalFormat in [ifAlpha, ifLuminanceAlpha, ifRGBA8, ifBGRA8] then begin - if Assigned(Bitmap) then begin - Bitmap.PixelFormat := pf8bit; - Bitmap.Palette := CreateGrayPalette; - Bitmap.Width := Width; - Bitmap.Height := Height; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpBitfieldFormat.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); +var + data: UInt64; + s, i: Integer; +type + PUInt64 = ^UInt64; +begin + s := Round(fPixelSize); + case s of + 1: data := aData^; + 2: data := PWord(aData)^; + 4: data := PCardinal(aData)^; + 8: data := PUInt64(aData)^; + else + raise EglBitmapException.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; - case InternalFormat of - ifLuminanceAlpha: - AlphaInterleave := 1; - ifRGBA8, ifBGRA8: - AlphaInterleave := 3; - else - AlphaInterleave := 0; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TColorTableFormat/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.CreateColorTable; +var + bits: Byte; + len: Integer; + i: Integer; +begin + if not (Format in [tfLuminance4, tfLuminance8, tfR3G3B2]) then + raise EglBitmapException.Create(UNSUPPORTED_FORMAT); - // Copy Data - pSource := Data; + if (Format = tfLuminance4) then + SetLength(fColorTable, 16) + else + SetLength(fColorTable, 256); - for Row := 0 to Height -1 do begin - pDest := Bitmap.Scanline[Row]; + 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; - 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; + 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; - Result := True; + 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; - -function TglBitmap.AddAlphaFromBitmap(Bitmap: TBitmap; Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TbmpColorTableFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); var - glBitmap: TglBitmap2D; + d: Byte; begin - glBitmap := TglBitmap2D.Create; - try - glBitmap.AssignFromBitmap(Bitmap); + if not (Format in [tfLuminance4, tfLuminance8, tfR3G3B2]) then + raise EglBitmapException.Create(UNSUPPORTED_FORMAT); - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); - finally - glBitmap.Free; + case Format of + tfLuminance4: begin + if (aMapData = nil) then + aData^ := 0; + d := LuminanceWeight(aPixel) and Range.r; + aData^ := aData^ or (d shl (4 - PtrInt(aMapData))); + inc(aMapData, 4); + if (PtrInt(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; -{$endif} - -function TglBitmap.AddAlphaFromFile(FileName: String; Func: TglBitmapFunction; CustomData: Pointer): boolean; +procedure TbmpColorTableFormat.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); +type + PUInt64 = ^UInt64; var - FS: TFileStream; -begin - FS := TFileStream.Create(FileName, fmOpenRead); - try - Result := AddAlphaFromStream(FS, Func, CustomData); - finally - FS.Free; + idx: UInt64; + 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 - PtrInt(aMapData))) and ((1 shl bits) - 1); + 1: idx := aData^; + 2: idx := PWord(aData)^; + 4: idx := PCardinal(aData)^; + 8: idx := PUInt64(aData)^; + else + raise EglBitmapException.CreateFmt('invalid pixel size: %.3f', [fPixelSize]); + end; + if (idx >= Length(fColorTable)) then + raise EglBitmapException.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(aMapData, bits); + if (PtrInt(aMapData) >= 8) then begin + inc(aData, 1); + dec(aMapData, 8); end; + inc(aData, s); end; +destructor TbmpColorTableFormat.Destroy; +begin + SetLength(fColorTable, 0); + inherited Destroy; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - Helper////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; -function TglBitmap.AddAlphaFromStream(Stream: TStream; Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertCalculateRGBAFunc(var aFuncRec: TglBitmapFunctionRec); var - glBitmap: TglBitmap2D; + i: Integer; begin - glBitmap := TglBitmap2D.Create(Stream); - try - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); - finally - glBitmap.Free; + 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; -{$ifdef GLB_DELPHI} -function TglBitmap.AddAlphaFromResource(Instance: Cardinal; Resource: String; - ResType: PChar; Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertShiftRGBAFunc(var aFuncRec: TglBitmapFunctionRec); var - RS: TResourceStream; - TempPos: Integer; - ResTypeStr: String; - TempResType: PChar; -begin - if Assigned(ResType) then - TempResType := ResType - else - begin - TempPos := Pos('.', Resource); - ResTypeStr := UpperCase(Copy(Resource, TempPos + 1, Length(Resource) - TempPos)); - Resource := UpperCase(Copy(Resource, 0, TempPos -1)); - TempResType := PChar(ResTypeStr); + 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.r := Source.Data.r; + Dest.Data.g := Source.Data.g; + Dest.Data.b := Source.Data.b; + Dest.Data.a := Source.Data.a; + if (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 (Args and $2 > 0) then begin + Dest.Data.a := Dest.Data.a xor Dest.Range.a; end; - - RS := TResourceStream.Create(Instance, Resource, TempResType); - try - Result := AddAlphaFromStream(RS, Func, CustomData); - finally - RS.Free; end; end; - -function TglBitmap.AddAlphaFromResourceID(Instance: Cardinal; ResourceID: Integer; - ResType: PChar; Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapFillWithColorFunc(var aFuncRec: TglBitmapFunctionRec); var - RS: TResourceStream; + i: Integer; begin - RS := TResourceStream.CreateFromID(Instance, ResourceID, ResType); - try - Result := AddAlphaFromStream(RS, Func, CustomData); - finally - RS.Free; + with aFuncRec do begin + for i := 0 to 3 do + Dest.Data.arr[i] := PglBitmapPixelData(Args)^.Data.arr[i]; end; end; -{$endif} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapAlphaFunc(var FuncRec: TglBitmapFunctionRec); +var + Temp: Single; +begin + with FuncRec do begin + if (FuncRec.Args = 0) 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.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; - - with TglBitmapPixelData(CustomData^) do - if ((Dest.Red <= Red ) and (Dest.Red >= PixelDesc.RedRange ) and - (Dest.Green <= Green) and (Dest.Green >= PixelDesc.GreenRange) and - (Dest.Blue <= Blue ) and (Dest.Blue >= PixelDesc.BlueRange )) then - Dest.Alpha := 0 + 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.Alpha := Dest.PixelDesc.AlphaRange; + Dest.Data.a := Dest.Range.a; end; end; - -function TglBitmap.AddAlphaFromColorKey(Red, Green, Blue, Deviation: Byte): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapValueAlphaFunc(var FuncRec: TglBitmapFunctionRec); +type + PglBitmapPixelData = ^TglBitmapPixelData; begin - Result := AddAlphaFromColorKeyFloat(Red / $FF, Green / $FF, Blue / $FF, Deviation / $FF); + 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; - -function TglBitmap.AddAlphaFromColorKeyRange(Red, Green, Blue: Cardinal; Deviation: Cardinal = 0): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure SwapRGB(aData: PByte; aWidth: Integer; const aHasAlpha: Boolean); +type + PRGBPix = ^TRGBPix; + TRGBPix = array [0..2] of byte; var - PixelData: TglBitmapPixelData; + Temp: Byte; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + while aWidth > 0 do begin + Temp := PRGBPix(aData)^[0]; + PRGBPix(aData)^[0] := PRGBPix(aData)^[2]; + PRGBPix(aData)^[2] := Temp; - Result := AddAlphaFromColorKeyFloat( - Red / PixelData.PixelDesc.RedRange, - Green / PixelData.PixelDesc.GreenRange, - Blue / PixelData.PixelDesc.BlueRange, - Deviation / Max(PixelData.PixelDesc.RedRange, Max(PixelData.PixelDesc.GreenRange, PixelData.PixelDesc.BlueRange))); + if aHasAlpha then + Inc(aData, 4) + else + Inc(aData, 3); + dec(aWidth); + end; end; - -function TglBitmap.AddAlphaFromColorKeyFloat(Red, Green, Blue: Single; Deviation: Single = 0): Boolean; -var - TempR, TempG, TempB: Cardinal; - PixelData: TglBitmapPixelData; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PROTECTED/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetWidth: Integer; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); - - // Calculate Colorrange - with PixelData.PixelDesc do begin - TempR := Trunc(RedRange * Deviation); - TempG := Trunc(GreenRange * Deviation); - TempB := Trunc(BlueRange * Deviation); + if (ffX in fDimension.Fields) then + result := fDimension.X + else + result := -1; +end; - PixelData.Red := Min(RedRange, Trunc(RedRange * Red) + TempR); - RedRange := Max(0, Trunc(RedRange * Red) - TempR); - PixelData.Green := Min(GreenRange, Trunc(GreenRange * Green) + TempG); - GreenRange := Max(0, Trunc(GreenRange * Green) - TempG); - PixelData.Blue := Min(BlueRange, Trunc(BlueRange * Blue) + TempB); - BlueRange := Max(0, Trunc(BlueRange * Blue) - TempB); - PixelData.Alpha := 0; - AlphaRange := 0; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetHeight: Integer; +begin + if (ffY in fDimension.Fields) then + result := fDimension.Y + else + result := -1; +end; - Result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, @PixelData); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetFileWidth: Integer; +begin + result := Max(1, Width); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetFileHeight: Integer; +begin + result := Max(1, Height); +end; -procedure glBitmapValueAlphaFunc(var FuncRec: TglBitmapFunctionRec); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetCustomData(const aValue: Pointer); begin - with FuncRec do begin - Dest.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; + if fCustomData = aValue then + exit; + fCustomData := aValue; +end; - with TglBitmapPixelData(CustomData^) do - Dest.Alpha := Alpha; - 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; -function TglBitmap.AddAlphaFromValue(Alpha: Byte): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetDeleteTextureOnFree(const aValue: Boolean); begin - Result := AddAlphaFromValueFloat(Alpha / $FF); + 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 EglBitmapUnsupportedFormatFormat.Create('SetInternalFormat - ' + UNSUPPORTED_FORMAT); + SetDataPointer(Data, aValue, Width, Height); +end; -function TglBitmap.AddAlphaFromValueFloat(Alpha: Single): Boolean; -var - PixelData: TglBitmapPixelData; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetFreeDataAfterGenTexture(const aValue: Boolean); begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + if fFreeDataAfterGenTexture = aValue then + exit; + fFreeDataAfterGenTexture := aValue; +end; - with PixelData.PixelDesc do - PixelData.Alpha := Min(AlphaRange, Max(0, Round(AlphaRange * Alpha))); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetID(const aValue: Cardinal); +begin + if fID = aValue then + exit; + fID := aValue; +end; - Result := AddAlphaFromFunc(glBitmapValueAlphaFunc, @PixelData); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; -function TglBitmap.AddAlphaFromValueRange(Alpha: Cardinal): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetAnisotropic(const aValue: Integer); var - PixelData: TglBitmapPixelData; + MaxAnisotropic: Integer; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + 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; - Result := AddAlphaFromValueFloat(Alpha / PixelData.PixelDesc.AlphaRange); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.CreateID; +begin + if (ID <> 0) then + glDeleteTextures(1, @fID); + glGenTextures(1, @fID); + Bind(false); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetupParameters(var aBuildWithGlu: Boolean); +begin + // Set Up Parameters + SetWrap(fWrapS, fWrapT, fWrapR); + SetFilter(fFilterMin, fFilterMag); + SetAnisotropic(fAnisotropic); + SetBorderColor(fBorderColor[0], fBorderColor[1], fBorderColor[2], fBorderColor[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 glBitmapInvertFunc(var FuncRec: TglBitmapFunctionRec); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer; const aHeight: Integer); +var + s: Single; begin - with FuncRec do begin - Dest.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; - Dest.Alpha := Source.Alpha; - - if (Integer(CustomData) and $1 > 0) then begin - Dest.Red := Dest.Red xor Dest.PixelDesc.RedRange; - Dest.Green := Dest.Green xor Dest.PixelDesc.GreenRange; - Dest.Blue := Dest.Blue xor Dest.PixelDesc.BlueRange; + if (Data <> aData) then begin + if (Assigned(Data)) then + FreeMem(Data); + fData := aData; + end; + + FillChar(fDimension, SizeOf(fDimension), 0); + if not Assigned(fData) then begin + fFormat := tfEmpty; + fPixelSize := 0; + fRowSize := 0; + end else begin + if aWidth <> -1 then begin + fDimension.Fields := fDimension.Fields + [ffX]; + fDimension.X := aWidth; end; - if (Integer(CustomData) and $2 > 0) then begin - Dest.Alpha := Dest.Alpha xor Dest.PixelDesc.AlphaRange; + 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; - -procedure TglBitmap.Invert(UseRGB, UseAlpha: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.FlipHorz: Boolean; begin - if ((UseRGB) or (UseAlpha)) then - AddFunc(glBitmapInvertFunc, False, Pointer(Integer(UseAlpha) shl 1 or Integer(UseRGB))); + result := false; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.FlipVert: Boolean; +begin + result := false; +end; -procedure TglBitmap.SetFilter(Min, Mag: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PUBLIC////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.AfterConstruction; begin - case Min 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 EglBitmapException.Create('SetFilter - Unknow Minfilter.'); - end; + inherited AfterConstruction; - case Mag of - GL_NEAREST: - fFilterMag := GL_NEAREST; - GL_LINEAR: - fFilterMag := GL_LINEAR; - else - raise EglBitmapException.Create('SetFilter - Unknow Magfilter.'); - end; + fID := 0; + fTarget := 0; + fIsResident := false; - // If texture is created then assign filter - if ID > 0 then begin - Bind(False); - - glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, fFilterMag); + fFormat := glBitmapGetDefaultFormat; + fMipMap := glBitmapDefaultMipmap; + fFreeDataAfterGenTexture := glBitmapGetDefaultFreeDataAfterGenTexture; + fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; - if (MipMap = mmNone) or (Target = GL_TEXTURE_RECTANGLE_ARB) 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; + glBitmapGetDefaultFilter (fFilterMin, fFilterMag); + glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); end; - -procedure TglBitmap.SetWrap(S: Integer; T: Integer; R: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.BeforeDestruction; begin - case S of - GL_CLAMP: - fWrapS := GL_CLAMP; - GL_REPEAT: - fWrapS := GL_REPEAT; - GL_CLAMP_TO_EDGE: - begin - if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then - fWrapS := GL_CLAMP_TO_EDGE - else - fWrapS := GL_CLAMP; - end; - GL_CLAMP_TO_BORDER: - begin - if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then - fWrapS := GL_CLAMP_TO_BORDER - else - fWrapS := 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 - fWrapS := GL_MIRRORED_REPEAT - else - raise EglBitmapException.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (S).'); - end; - else - raise EglBitmapException.Create('SetWrap - Unknow Texturewrap (S).'); - end; - - case T of - GL_CLAMP: - fWrapT := GL_CLAMP; - GL_REPEAT: - fWrapT := GL_REPEAT; - GL_CLAMP_TO_EDGE: - begin - if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then - fWrapT := GL_CLAMP_TO_EDGE - else - fWrapT := GL_CLAMP; - end; - GL_CLAMP_TO_BORDER: - begin - if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then - fWrapT := GL_CLAMP_TO_BORDER - else - fWrapT := 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 - fWrapT := GL_MIRRORED_REPEAT - else - raise EglBitmapException.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (T).'); - end; - else - raise EglBitmapException.Create('SetWrap - Unknow Texturewrap (T).'); - end; - - case R of - GL_CLAMP: - fWrapR := GL_CLAMP; - GL_REPEAT: - fWrapR := GL_REPEAT; - GL_CLAMP_TO_EDGE: - begin - if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then - fWrapR := GL_CLAMP_TO_EDGE - else - fWrapR := GL_CLAMP; - end; - GL_CLAMP_TO_BORDER: - begin - if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then - fWrapR := GL_CLAMP_TO_BORDER - else - fWrapR := 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 - fWrapR := GL_MIRRORED_REPEAT - else - raise EglBitmapException.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (R).'); - end; - else - raise EglBitmapException.Create('SetWrap - Unknow Texturewrap (R).'); - end; + SetDataPointer(nil, tfEmpty); + if (fID > 0) and fDeleteTextureOnFree then + glDeleteTextures(1, @fID); + inherited BeforeDestruction; +end; - 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); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromFile(const aFilename: String); +var + fs: TFileStream; +begin + if not FileExists(aFilename) then + raise EglBitmapException.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.SetDataPointer(NewData: PByte; Format: TglBitmapInternalFormat; Width, Height: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromStream(const aStream: TStream); begin - // Data - if Data <> NewData then begin - if (Assigned(Data)) - then FreeMem(Data); + {$IFDEF GLB_SUPPORT_PNG_READ} + if not LoadPNG(aStream) then + {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_READ} + if not LoadJPEG(aStream) then + {$ENDIF} + if not LoadDDS(aStream) then + if not LoadTGA(aStream) then + if not LoadBMP(aStream) then + raise EglBitmapException.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); +end; - fData := NewData; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromFunc(const aSize: TglBitmapPixelPosition; const aFunc: TglBitmapFunction; + const aFormat: TglBitmapFormat; const aArgs: PtrInt); +var + tmpData: PByte; + size: Integer; +begin + size := TFormatDescriptor.Get(aFormat).GetSize(aSize); + GetMem(tmpData, size); + try + FillChar(tmpData^, size, #$FF); + SetDataPointer(tmpData, aFormat, aSize.X, aSize.Y); + except + FreeMem(tmpData); + raise; end; + AddFunc(Self, aFunc, false, Format, aArgs); +end; - if Data = nil then begin - fInternalFormat := ifEmpty; - fPixelSize := 0; - fRowSize := 0; - end else begin - if Width <> -1 then begin - fDimension.Fields := fDimension.Fields + [ffX]; - fDimension.X := Width; - end; - - if Height <> -1 then begin - fDimension.Fields := fDimension.Fields + [ffY]; - fDimension.Y := Height; - end; +{$IFDEF GLB_DELPHI} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil); +var + rs: TResourceStream; + TempPos: Integer; + ResTypeStr: String; + TempResType: PChar; +begin + if not Assigned(ResType) then begin + TempPos := Pos('.', Resource); + ResTypeStr := UpperCase(Copy(Resource, TempPos + 1, Length(Resource) - TempPos)); + Resource := UpperCase(Copy(Resource, 0, TempPos -1)); + TempResType := PChar(ResTypeStr); + end else + TempResType := ResType - fInternalFormat := Format; - fPixelSize := Trunc(FormatGetSize(InternalFormat)); - fRowSize := Trunc(FormatGetSize(InternalFormat) * Self.Width); + rs := TResourceStream.Create(Instance, Resource, TempResType); + try + LoadFromStream(rs); + finally + rs.Free; end; end; -{$ifdef GLB_SUPPORT_PNG_READ} -{$ifdef GLB_LIB_PNG} -procedure glBitmap_libPNG_read_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromResourceID(const sInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); +var + rs: TResourceStream; begin - TStream(png_get_io_ptr(png)).Read(buffer^, size); + rs := TResourceStream.CreateFromID(Instance, ResourceID, ResType); + try + LoadFromStream(rs); + finally + rs.Free; + end; end; -{$endif} - +{$ENDIF} -function TglBitmap.LoadPNG(Stream: TStream): Boolean; -{$ifdef GLB_SDL_IMAGE} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType); var - Surface: PSDL_Surface; - RWops: PSDL_RWops; + fs: TFileStream; begin - Result := False; - - RWops := glBitmapCreateRWops(Stream); + fs := TFileStream.Create(aFileName, fmCreate); try - if IMG_isPNG(RWops) > 0 then begin - Surface := IMG_LoadPNG_RW(RWops); - try - AssignFromSurface(Surface); - Result := True; - finally - SDL_FreeSurface(Surface); - end; - end; + fs.Position := 0; + SaveToStream(fs, aFileType); finally - SDL_FreeRW(RWops); + fs.Free; end; end; -{$endif} -{$ifdef GLB_LIB_PNG} -var - StreamPos: Int64; - signature: array [0..7] of byte; - png: png_structp; - png_info: png_infop; - TempHeight, TempWidth: Integer; - Format: TglBitmapInternalFormat; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; - png_data: pByte; - png_rows: array of pByte; - Row, LineSize: Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddFunc(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: PtrInt): Boolean; begin - Result := False; + result := AddFunc(Self, aFunc, aCreateTemp, Format, aArgs); +end; - if not init_libPNG then - raise Exception.Create('LoadPNG - unable to initialize libPNG.'); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddFunc(const aSource: TglBitmap; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; + const aFormat: TglBitmapFormat; const aArgs: PtrInt): Boolean; +var + DestData, TmpData, SourceData: pByte; + TempHeight, TempWidth: Integer; + SourceFD, DestFD: TFormatDescriptor; + SourceMD, DestMD: Pointer; - try - // signature - StreamPos := Stream.Position; - Stream.Read(signature, 8); - Stream.Position := StreamPos; + FuncRec: TglBitmapFunctionRec; +begin + Assert(Assigned(Data)); + Assert(Assigned(aSource)); + Assert(Assigned(aSource.Data)); - 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.'); + 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); - // 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; + // inkompatible Formats so CreateTemp + if (SourceFD.PixelSize <> DestFD.PixelSize) then + aCreateTemp := true; - // set read callback - png_set_read_fn(png, stream, glBitmap_libPNG_read_func); + // Values + TempHeight := Max(1, aSource.Height); + TempWidth := Max(1, aSource.Width); - // read informations - png_read_info(png, png_info); + FuncRec.Sender := Self; + FuncRec.Args := aArgs; - // size - TempHeight := png_get_image_height(png, png_info); - TempWidth := png_get_image_width(png, png_info); + TmpData := nil; + if aCreateTemp then begin + GetMem(TmpData, TFormatDescriptor.Get(aFormat).GetSize(TempWidth, TempHeight)); + DestData := TmpData; + end else + DestData := Data; - // format - case png_get_color_type(png, png_info) of - PNG_COLOR_TYPE_GRAY: - Format := ifLuminance; - PNG_COLOR_TYPE_GRAY_ALPHA: - Format := ifLuminanceAlpha; - PNG_COLOR_TYPE_RGB: - Format := ifRGB8; - PNG_COLOR_TYPE_RGB_ALPHA: - Format := ifRGBA8; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); - end; + try + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); - // cut upper 8 bit from 16 bit formats - if png_get_bit_depth(png, png_info) > 8 then - png_set_strip_16(png); + SourceMD := SourceFD.CreateMappingData; + DestMD := DestFD.CreateMappingData; - // expand bitdepth smaller than 8 - if png_get_bit_depth(png, png_info) < 8 then - png_set_expand(png); + FuncRec.Size := aSource.Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; - // 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); + 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; - // read complete image into scanlines - png_read_image(png, @png_rows[0]); + // Updating Image or InternalFormat + if aCreateTemp then + SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height) + else if (aFormat <> fFormat) then + Format := aFormat; - // read end - png_read_end(png, png_info); + result := true; + finally + SourceFD.FreeMappingData(SourceMD); + DestFD.FreeMappingData(DestMD); + end; + except + if aCreateTemp then + FreeMem(TmpData); + raise; + end; + end; +end; - // destroy read struct - png_destroy_read_struct(@png, @png_info, nil); +{$IFDEF GLB_SDL} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, RowSize: Integer; + SourceData, TmpData: PByte; + TempDepth: Integer; + Pix: TglBitmapPixelData; + FormatDesc: TglBitmapFormatDescriptor; - SetLength(png_rows, 0); + function GetRowPointer(Row: Integer): pByte; + begin + result := Surface.pixels; + Inc(result, Row * RowSize); + end; - // set new data - SetDataPointer(png_data, Format, TempWidth, TempHeight); +begin + result := false; - Result := True; - except - FreeMem(png_data); - raise; + (* TODO + if not FormatIsUncompressed(InternalFormat) then + raise EglBitmapUnsupportedInternalFormat.Create('AssignToSurface - ' + UNSUPPORTED_INTERNAL_FORMAT); + *) + + FormatDesc := FORMAT_DESCRIPTORS[Format]; + if Assigned(Data) then begin + case Trunc(FormatDesc.GetSize) of + 1: TempDepth := 8; + 2: TempDepth := 16; + 3: TempDepth := 24; + 4: TempDepth := 32; + else + raise EglBitmapException.Create('AssignToSurface - ' + UNSUPPORTED_INTERNAL_FORMAT); + end; + FormatDesc.PreparePixel(Pix); + with Pix.PixelDesc do + Surface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, TempDepth, + RedRange shl RedShift, GreenRange shl GreenShift, BlueRange shl BlueShift, AlphaRange shl AlphaShift); + + SourceData := Data; + RowSize := Ceil(FileWidth * FormatDesc.GetSize); + + for Row := 0 to FileHeight -1 do begin + TmpData := GetRowPointer(Row); + if Assigned(TmpData) then begin + Move(SourceData^, TmpData^, RowSize); + inc(SourceData, RowSize); end; end; - finally - quit_libPNG; + result := true; end; end; -{$endif} -{$ifdef GLB_PNGIMAGE} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignFromSurface(const aSurface: PSDL_Surface): Boolean; var - StreamPos: Int64; - Png: TPNGObject; - Header: Array[0..7] of Byte; - Row, Col, PixSize, LineSize: Integer; - NewImage, pSource, pDest, pAlpha: pByte; - Format: TglBitmapInternalFormat; + pSource, pData, pTempData: PByte; + Row, RowSize, TempWidth, TempHeight: Integer; + IntFormat, f: TglBitmapInternalFormat; + FormatDesc: TglBitmapFormatDescriptor; -const - PngHeader: Array[0..7] of Byte = (#137, #80, #78, #71, #13, #10, #26, #10); + function GetRowPointer(Row: Integer): pByte; + begin + result := Surface^.pixels; + Inc(result, Row * RowSize); + end; begin - Result := False; + result := false; + if (Assigned(Surface)) then begin + with Surface^.format^ do begin + IntFormat := tfEmpty; + for f := Low(f) to High(f) do begin + if FORMAT_DESCRIPTORS[f].MaskMatch(RMask, GMask, BMask, AMask) then begin + IntFormat := f; + break; + end; + end; + if (IntFormat = tfEmpty) then + raise EglBitmapException.Create('AssignFromSurface - Invalid Pixelformat.'); + end; - StreamPos := Stream.Position; - Stream.Read(Header[0], SizeOf(Header)); - Stream.Position := StreamPos; - - {Test if the header matches} - if Header = PngHeader then begin - Png := TPNGObject.Create; + FormatDesc := FORMAT_DESCRIPTORS[IntFormat]; + TempWidth := Surface^.w; + TempHeight := Surface^.h; + RowSize := Trunc(TempWidth * FormatDesc.GetSize); + GetMem(pData, TempHeight * RowSize); try - Png.LoadFromStream(Stream); - - case Png.Header.ColorType of - COLOR_GRAYSCALE: - Format := ifLuminance; - COLOR_GRAYSCALEALPHA: - Format := ifLuminanceAlpha; - COLOR_RGB: - Format := ifBGR8; - COLOR_RGBALPHA: - Format := ifBGRA8; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); + 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); + result := true; + except + FreeMem(pData); + raise; + end; + end; +end; - PixSize := Trunc(FormatGetSize(Format)); - LineSize := Integer(Png.Header.Width) * PixSize; - - GetMem(NewImage, LineSize * Integer(Png.Header.Height)); - try - pDest := NewImage; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, Col, AlphaInterleave: Integer; + pSource, pDest: PByte; - 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; + function GetRowPointer(Row: Integer): pByte; + begin + result := aSurface.pixels; + Inc(result, Row * Width); + end; - for Row := 0 to Png.Height -1 do begin - pSource := Png.Scanline[Row]; - pAlpha := pByte(Png.AlphaScanline[Row]); +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, $FF, 0); - for Col := 0 to Png.Width -1 do begin - Move (pSource^, pDest^, PixSize); - Inc(pSource, PixSize); - Inc(pDest, PixSize); + AlphaInterleave := 0; + case Format of + ifLuminance8Alpha8: + AlphaInterleave := 1; + ifBGRA8, ifRGBA8: + AlphaInterleave := 3; + end; - pDest^ := pAlpha^; - inc(pAlpha); - Inc(pDest); - end; - end; - end; - else - raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); + pSource := Data; + for Row := 0 to Height -1 do begin + pDest := GetRowPointer(Row); + if Assigned(pDest) then begin + for Col := 0 to Width -1 do begin + Inc(pSource, AlphaInterleave); + pDest^ := pSource^; + Inc(pDest); + Inc(pSource); + end; end; - - SetDataPointer(NewImage, Format, Png.Header.Width, Png.Header.Height); - - Result := True; - except - FreeMem(NewImage); - raise; end; - finally - Png.Free; + result := true; end; end; end; -{$endif} -{$endif} - -{$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; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; +var + bmp: TglBitmap2D; +begin + bmp := TglBitmap2D.Create; + try + bmp.AssignFromSurface(Surface); + result := AddAlphaFromGlBitmap(bmp, Func, CustomData); + finally + bmp.Free; end; +end; +{$ENDIF} +{$IFDEF GLB_DELPHI} +//TODO rework & test +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; - glBitmap_libJPEG_dest_mgr_ptr = ^glBitmap_libJPEG_dest_mgr; - glBitmap_libJPEG_dest_mgr = record - pub: jpeg_destination_mgr; + case Format of + tfAlpha8, ifLuminance, ifDepth8: + begin + Bitmap.PixelFormat := pf8bit; + Bitmap.Palette := CreateGrayPalette; + end; + ifRGB5A1: + Bitmap.PixelFormat := pf15bit; + ifR5G6B5: + Bitmap.PixelFormat := pf16bit; + ifRGB8, ifBGR8: + Bitmap.PixelFormat := pf24bit; + ifRGBA8, ifBGRA8: + Bitmap.PixelFormat := pf32bit; + else + raise EglBitmapException.Create('AssignToBitmap - Invalid Pixelformat.'); + end; - DestStream: TStream; - DestBuffer: array [1..4096] of byte; - end; + pSource := Data; + for Row := 0 to FileHeight -1 do begin + pData := Bitmap.Scanline[Row]; + Move(pSource^, pData^, fRowSize); + Inc(pSource, fRowSize); + // swap RGB(A) to BGR(A) + if InternalFormat in [ifRGB8, ifRGBA8] then + SwapRGB(pData, FileWidth, InternalFormat = ifRGBA8); + end; -procedure glBitmap_libJPEG_error_exit(cinfo: j_common_ptr); cdecl; -//var -// Msg: String; -begin -// SetLength(Msg, 256); -// cinfo^.err^.format_message(cinfo, pChar(Msg)); + result := true; + end; + end; +end; -// Writeln('ERROR [' + IntToStr(cinfo^.err^.msg_code) + '] ' + Msg); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignFromBitmap(const aBitmap: TBitmap): Boolean; +var + pSource, pData, pTempData: PByte; + Row, RowSize, TempWidth, TempHeight: Integer; + IntFormat: TglBitmapInternalFormat; +begin + result := false; -// cinfo^.global_state := 0; + if (Assigned(Bitmap)) then begin + case Bitmap.PixelFormat of + pf8bit: + IntFormat := ifLuminance; + pf15bit: + IntFormat := ifRGB5A1; + pf16bit: + IntFormat := ifR5G6B5; + pf24bit: + IntFormat := ifBGR8; + pf32bit: + IntFormat := ifBGRA8; + else + raise EglBitmapException.Create('AssignFromBitmap - Invalid Pixelformat.'); + end; -// jpeg_abort(cinfo); -end; + TempWidth := Bitmap.Width; + TempHeight := Bitmap.Height; + RowSize := Trunc(TempWidth * FormatGetSize(IntFormat)); -procedure glBitmap_libJPEG_output_message(cinfo: j_common_ptr); cdecl; -//var -// Msg: String; -begin -// SetLength(Msg, 256); -// cinfo^.err^.format_message(cinfo, pChar(Msg)); + GetMem(pData, TempHeight * RowSize); + try + pTempData := pData; -// Writeln('OUTPUT [' + IntToStr(cinfo^.err^.msg_code) + '] ' + Msg); + for Row := 0 to TempHeight -1 do begin + pSource := Bitmap.Scanline[Row]; -// cinfo^.global_state := 0; -end; + if (Assigned(pSource)) then begin + Move(pSource^, pTempData^, RowSize); + Inc(pTempData, RowSize); + end; + end; + SetDataPointer(pData, IntFormat, TempWidth, TempHeight); -procedure glBitmap_libJPEG_init_source(cinfo: j_decompress_ptr); cdecl; -begin + result := true; + except + FreeMem(pData); + raise; + end; + end; end; - -function glBitmap_libJPEG_fill_input_buffer(cinfo: j_decompress_ptr): boolean; cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; var - src: glBitmap_libJPEG_source_mgr_ptr; - bytes: integer; + Row, Col, AlphaInterleave: Integer; + pSource, pDest: PByte; begin - src := glBitmap_libJPEG_source_mgr_ptr(cinfo^.src); + result := false; - 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; + if Assigned(Data) then begin + if InternalFormat in [ifAlpha, ifLuminanceAlpha, ifRGBA8, ifBGRA8] then begin + if Assigned(Bitmap) then begin + Bitmap.PixelFormat := pf8bit; + Bitmap.Palette := CreateGrayPalette; + Bitmap.Width := Width; + Bitmap.Height := Height; - src^.pub.next_input_byte := @(src^.SrcBuffer[1]); - src^.pub.bytes_in_buffer := bytes; + case InternalFormat of + ifLuminanceAlpha: + AlphaInterleave := 1; + ifRGBA8, ifBGRA8: + AlphaInterleave := 3; + else + AlphaInterleave := 0; + end; - result := true; -end; + // Copy Data + pSource := Data; + for Row := 0 to Height -1 do begin + pDest := Bitmap.Scanline[Row]; -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 Assigned(pDest) then begin + for Col := 0 to Width -1 do begin + Inc(pSource, AlphaInterleave); + pDest^ := pSource^; + Inc(pDest); + Inc(pSource); + end; + end; + end; - 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); + result := true; + end; end; end; end; - -procedure glBitmap_libJPEG_term_source(cinfo: j_decompress_ptr); cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; +var + tex: TglBitmap2D; begin + tex := TglBitmap2D.Create; + try + tex.AssignFromBitmap(Bitmap); + result := AddAlphaFromglBitmap(tex, Func, CustomData); + finally + tex.Free; + end; end; - -procedure glBitmap_libJPEG_init_destination(cinfo: j_compress_ptr); cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; +var + RS: TResourceStream; + TempPos: Integer; + ResTypeStr: String; + TempResType: PChar; begin -end; + if Assigned(ResType) then + TempResType := ResType + else + begin + TempPos := Pos('.', Resource); + ResTypeStr := UpperCase(Copy(Resource, TempPos + 1, Length(Resource) - TempPos)); + Resource := UpperCase(Copy(Resource, 0, TempPos -1)); + TempResType := PChar(ResTypeStr); + end; + RS := TResourceStream.Create(Instance, Resource, TempResType); + try + result := AddAlphaFromStream(RS, Func, CustomData); + finally + RS.Free; + end; +end; -function glBitmap_libJPEG_empty_output_buffer(cinfo: j_compress_ptr): boolean; cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; var - dest: glBitmap_libJPEG_dest_mgr_ptr; + RS: TResourceStream; 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); + RS := TResourceStream.CreateFromID(Instance, ResourceID, ResType); + try + result := AddAlphaFromStream(RS, Func, CustomData); + finally + RS.Free; end; - - Result := True; end; +{$ENDIF} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; +begin + (* TODO + if not FormatIsUncompressed(InternalFormat) then + raise EglBitmapUnsupportedFormatFormat.Create('AddAlphaFromFunc - ' + UNSUPPORTED_FORMAT); + *) + result := AddFunc(Self, aFunc, false, TFormatDescriptor.Get(Format).WithAlpha, aArgs); +end; -procedure glBitmap_libJPEG_term_destination(cinfo: j_compress_ptr); cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; var - Idx: Integer; - dest: glBitmap_libJPEG_dest_mgr_ptr; + FS: TFileStream; 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] = $FF) and (dest^.DestBuffer[Idx +1] = JPEG_EOI) then begin - // write endblock - dest^.DestStream.Write(dest^.DestBuffer[Idx], 2); - - // leave - Break; - end else - dest^.DestStream.Write(dest^.DestBuffer[Idx], 1); + FS := TFileStream.Create(FileName, fmOpenRead); + try + result := AddAlphaFromStream(FS, aFunc, aArgs); + finally + FS.Free; end; end; -{$endif} - -{$ifdef GLB_SUPPORT_JPEG_READ} -function TglBitmap.LoadJPEG(Stream: TStream): Boolean; -{$ifdef GLB_SDL_IMAGE} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; var - Surface: PSDL_Surface; - RWops: PSDL_RWops; + tex: TglBitmap2D; begin - Result := False; - - RWops := glBitmapCreateRWops(Stream); + tex := TglBitmap2D.Create(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; + result := AddAlphaFromglBitmap(tex, aFunc, aArgs); finally - SDL_FreeRW(RWops); + tex.Free; end; end; -{$endif} -{$ifdef GLB_LIB_JPEG} -var - StreamPos: Int64; - Temp: array[0..1]of Byte; - - jpeg: jpeg_decompress_struct; - jpeg_err: jpeg_error_mgr; - IntFormat: TglBitmapInternalFormat; - pImage: pByte; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromGlBitmap(const aBitmap: TglBitmap; aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; +var + DestData, DestData2, SourceData: pByte; TempHeight, TempWidth: Integer; + SourceFD, DestFD: TFormatDescriptor; + SourceMD, DestMD, DestMD2: Pointer; - pTemp: pByte; - Row: Integer; + FuncRec: TglBitmapFunctionRec; begin - Result := False; - - if not init_libJPEG then - raise Exception.Create('LoadJPG - unable to initialize libJPEG.'); + result := false; - try - // reading first two bytes to test file and set cursor back to begin - StreamPos := Stream.Position; - Stream.Read(Temp[0], 2); - Stream.Position := StreamPos; + Assert(Assigned(Data)); + Assert(Assigned(aBitmap)); + Assert(Assigned(aBitmap.Data)); - // if Bitmap then read file. - if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin - FillChar(jpeg, SizeOf(jpeg_decompress_struct), $00); - FillChar(jpeg_err, SizeOf(jpeg_error_mgr), $00); + if ((aBitmap.Width = Width) and (aBitmap.Height = Height)) then begin + result := ConvertTo(TFormatDescriptor.Get(Format).WithAlpha); + if not Assigned(aFunc) then + aFunc := glBitmapAlphaFunc; - // 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; + SourceFD := TFormatDescriptor.Get(aBitmap.Format); + DestFD := TFormatDescriptor.Get(Format); - // decompression struct - jpeg_create_decompress(@jpeg); + // Values + TempHeight := aBitmap.FileHeight; + TempWidth := aBitmap.FileWidth; - // allocation space for streaming methods - jpeg.src := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_source_mgr)); + FuncRec.Sender := Self; + FuncRec.Args := aArgs; + FuncRec.Size := Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; + FuncRec.Args := PtrInt(SourceFD.HasAlpha) and 1; - // 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; + DestData := Data; + DestData2 := Data; + SourceData := aBitmap.Data; - pub.bytes_in_buffer := 0; // forces fill_input_buffer on first read - pub.next_input_byte := nil; // until buffer loaded + // Mapping + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); - SrcStream := Stream; + 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; - // 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 := ifLuminance; - end; - else - jpeg.out_color_space := JCS_RGB; - IntFormat := ifRGB8; - 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; - // reading image - jpeg_start_decompress(@jpeg); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; - TempHeight := jpeg.output_height; - TempWidth := jpeg.output_width; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; - // creating new image - GetMem(pImage, FormatGetImageSize(glBitmapPosition(TempWidth, TempHeight), IntFormat)); - try - pTemp := pImage; + 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, PtrInt(@PixelData)); +end; - for Row := 0 to TempHeight -1 do begin - jpeg_read_scanlines(@jpeg, @pTemp, 1); - Inc(pTemp, Trunc(FormatGetSize(IntFormat) * TempWidth)); - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromValue(const aAlpha: Byte): Boolean; +begin + result := AddAlphaFromValueFloat(aAlpha / $FF); +end; - // finish decompression - jpeg_finish_decompress(@jpeg); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; +var + PixelData: TglBitmapPixelData; +begin + TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); + result := AddAlphaFromValueFloat(aAlpha / PixelData.Range.a); +end; - // destroy decompression - jpeg_destroy_decompress(@jpeg); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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, PtrInt(@PixelData.Data.a)); +end; - SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.RemoveAlpha: Boolean; +var + FormatDesc: TFormatDescriptor; +begin + result := false; + FormatDesc := TFormatDescriptor.Get(Format); + if Assigned(Data) then begin + if not ({FormatDesc.IsUncompressed or }FormatDesc.HasAlpha) then + raise EglBitmapUnsupportedFormatFormat.Create('RemoveAlpha - ' + UNSUPPORTED_FORMAT); + result := ConvertTo(FormatDesc.WithoutAlpha); + end; +end; - Result := True; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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); except - FreeMem(pImage); + FreeMem(TempPtr); raise; end; - end; - finally - quit_libJPEG; + end else + Temp.SetDataPointer(nil, Format, Width, Height); + + // 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; -{$endif} -{$ifdef GLB_DELPHI_JPEG} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.ConvertTo(const aFormat: TglBitmapFormat): Boolean; var - bmp: TBitmap; - jpg: TJPEGImage; - StreamPos: Int64; - Temp: array[0..1]of Byte; -begin - Result := False; + SourceFD, DestFD: TFormatDescriptor; + SourcePD, DestPD: TglBitmapPixelData; + ShiftData: TShiftData; - // reading first two bytes to test file and set cursor back to begin - StreamPos := Stream.Position; - Stream.Read(Temp[0], 2); - Stream.Position := StreamPos; + 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; - // if Bitmap then read file. - if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin - bmp := TBitmap.Create; - try - jpg := TJPEGImage.Create; - try - jpg.LoadFromStream(Stream); - bmp.Assign(jpg); - Result := AssignFromBitmap(bmp); - finally - jpg.Free; - end; - finally - bmp.Free; + function CanShift: Boolean; + begin + result := + ((SourcePD.Range.r >= DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and + ((SourcePD.Range.g >= DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and + ((SourcePD.Range.b >= DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and + ((SourcePD.Range.a >= DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0)); + end; + + function GetShift(aSource, aDest: Cardinal) : ShortInt; + begin + result := 0; + while (aSource > aDest) and (aSource > 0) do begin + inc(result); + aSource := aSource shr 1; end; end; -end; -{$endif} -{$endif} +begin + if (aFormat <> fFormat) and (aFormat <> tfEmpty) then begin + SourceFD := TFormatDescriptor.Get(Format); + DestFD := TFormatDescriptor.Get(aFormat); -const - BMP_MAGIC = $4D42; + SourceFD.PreparePixel(SourcePD); + DestFD.PreparePixel (DestPD); - BMP_COMP_RGB = 0; - BMP_COMP_RLE8 = 1; - BMP_COMP_RLE4 = 2; - BMP_COMP_BITFIELDS = 3; + 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, PtrInt(@ShiftData)); + end else + result := AddFunc(Self, glBitmapConvertCalculateRGBAFunc, false, aFormat); + end else + result := true; +end; -type - TBMPHeader = packed record - bfType: Word; - bfSize: Cardinal; - bfReserved1: Word; - bfReserved2: Word; - bfOffBits: Cardinal; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Invert(const aUseRGB: Boolean; const aUseAlpha: Boolean); +begin + if aUseRGB or aUseAlpha then + AddFunc(glBitmapInvertFunc, false, ((PtrInt(aUseAlpha) and 1) shl 1) or (PtrInt(aUseRGB) and 1)); +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; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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; - TBMPInfoOS = packed record - biSize: Cardinal; - biWidth: Longint; - biHeight: Longint; - biPlanes: Word; - biBitCount: Word; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FreeData; +begin + SetDataPointer(nil, tfEmpty); +end; -// TBMPPalette = record -// case Boolean of -// True : (Colors: array[Byte] of TRGBQUAD); -// False: (redMask, greenMask, blueMask: Cardinal); -// end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FillWithColor(const aRed, aGreen, aBlue: Byte; + const aAlpha: Byte); +begin + FillWithColorFloat(aRed/$FF, aGreen/$FF, aBlue/$FF, aAlpha/$FF); +end; -function TglBitmap.LoadBMP(Stream: TStream): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal); var - StreamPos: Int64; - Header: TBMPHeader; - Info: TBMPInfo; - NewImage, pData: pByte; - - Format: TglBitmapInternalFormat; - LineSize, Padding, LineIdx: Integer; - RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; - - PaddingBuff: Cardinal; - - - function GetLineWidth : Integer; - begin - Result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; - end; - - + PixelData: TglBitmapPixelData; begin - Result := False; - - RedMask := 0; - GreenMask := 0; - BlueMask := 0; - Format := ifEmpty; - - // Header - StreamPos := Stream.Position; - Stream.Read(Header, SizeOf(Header)); - - if Header.bfType = BMP_MAGIC then begin - Stream.Read(Info, SizeOf(Info)); - - // Check for Compression - if Info.biCompression <> BMP_COMP_RGB then begin - if Info.biCompression = BMP_COMP_BITFIELDS then begin - // Read Bitmasks for 16 or 32 Bit (24 Bit dosn't support Bitmasks!) - if (Info.biBitCount = 16) or (Info.biBitCount = 32) then begin - Stream.Read(RedMask, SizeOf(Cardinal)); - Stream.Read(GreenMask, SizeOf(Cardinal)); - Stream.Read(BlueMask, SizeOf(Cardinal)); - Stream.Read(AlphaMask, SizeOf(Cardinal)); - end; - end else begin - // RLE compression is unsupported - Stream.Position := StreamPos; - - Exit; - end; - end; - - // Skip palette - if Info.biBitCount < 16 then - Stream.Position := Stream.Position + Info.biClrUsed * 4; - - // Jump to the data - Stream.Position := StreamPos + Header.bfOffBits; - - // Select Format - case Info.biBitCount of - 8 : Format := ifLuminance; - 16: - begin - if (RedMask = 0) and (GreenMask = 0) and (BlueMask = 0) then begin - Format := ifRGB5A1; - end else begin - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifLuminanceAlpha) then - Format := ifLuminanceAlpha; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifRGBA4) then - Format := ifRGBA4; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, 0, ifRGB5A1) then - Format := ifRGB5A1; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, 0, ifR5G6B5) then - Format := ifR5G6B5; - end; - end; - 24: Format := ifBGR8; - 32: - begin - if (RedMask = 0) and (GreenMask = 0) and (BlueMask = 0) then begin - Format := ifBGRA8; - end else begin - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifRGBA8) then - Format := ifRGBA8; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifBGRA8) then - Format := ifBGRA8; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifRGB10A2) then - Format := ifRGB10A2; - end; - end; - end; - - if Format <> ifEmpty then begin - LineSize := Trunc(Info.biWidth * FormatGetSize(Format)); - Padding := GetLineWidth - LineSize; - - // copying data - GetMem(NewImage, Info.biHeight * LineSize); - try - FillChar(NewImage^, Info.biHeight * LineSize, $FF); - - // Set pData to last Line - pData := NewImage; - Inc(pData, LineSize * (Info.biHeight -1)); - - // Copy Image Data - for LineIdx := 0 to Info.biHeight - 1 do begin - Stream.Read(pData^, LineSize); - Dec(pData, LineSize); - - Stream.Read(PaddingBuff, Padding); - end; - - // Set new Image - SetDataPointer(NewImage, Format, Info.biWidth, Info.biHeight); - - Result := True; - except - FreeMem(NewImage); - raise; - end; - end; - end - else Stream.Position := StreamPos; + TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData); + FillWithColorFloat( + aRed / PixelData.Range.r, + aGreen / PixelData.Range.g, + aBlue / PixelData.Range.b, + aAlpha / PixelData.Range.a); end; - -const - DDS_MAGIC = $20534444; - - // DDS_header.dwFlags - DDSD_CAPS = $00000001; - DDSD_HEIGHT = $00000002; - DDSD_WIDTH = $00000004; - DDSD_PITCH = $00000008; - DDSD_PIXELFORMAT = $00001000; - DDSD_MIPMAPCOUNT = $00020000; - DDSD_LINEARSIZE = $00080000; - DDSD_DEPTH = $00800000; - - // DDS_header.sPixelFormat.dwFlags - DDPF_ALPHAPIXELS = $00000001; - DDPF_FOURCC = $00000004; - DDPF_INDEXED = $00000020; - DDPF_RGB = $00000040; - - // DDS_header.sCaps.dwCaps1 - DDSCAPS_COMPLEX = $00000008; - DDSCAPS_TEXTURE = $00001000; - DDSCAPS_MIPMAP = $00400000; - - // DDS_header.sCaps.dwCaps2 - DDSCAPS2_CUBEMAP = $00000200; - DDSCAPS2_CUBEMAP_POSITIVEX = $00000400; - DDSCAPS2_CUBEMAP_NEGATIVEX = $00000800; - DDSCAPS2_CUBEMAP_POSITIVEY = $00001000; - DDSCAPS2_CUBEMAP_NEGATIVEY = $00002000; - DDSCAPS2_CUBEMAP_POSITIVEZ = $00004000; - DDSCAPS2_CUBEMAP_NEGATIVEZ = $00008000; - DDSCAPS2_VOLUME = $00200000; - - 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; - dwAlphaBitMask: Cardinal; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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, PtrInt(@PixelData)); +end; - TDDSCaps = packed record - dwCaps1: Cardinal; - dwCaps2: Cardinal; - dwDDSX: Cardinal; - dwReserved: Cardinal; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetFilter(const aMin, aMag: Cardinal); +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 EglBitmapException.Create('SetFilter - Unknow MIN filter.'); end; - TDDSHeader = packed record - dwMagic: Cardinal; - 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; + //check MAG filter + case aMag of + GL_NEAREST: + fFilterMag := GL_NEAREST; + GL_LINEAR: + fFilterMag := GL_LINEAR; + else + raise EglBitmapException.Create('SetFilter - Unknow MAG filter.'); end; + //apply filter + if (ID > 0) then begin + Bind(false); + glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, fFilterMag); -function TglBitmap.LoadDDS(Stream: TStream): Boolean; -var - Header: TDDSHeader; - StreamPos: Int64; - Y, LineSize: Cardinal; - -// MipMapCount, X, Y, XSize, YSize: Cardinal; - RowSize: Cardinal; - NewImage, pData: pByte; - Format: TglBitmapInternalFormat; + 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: Cardinal; const T: Cardinal; const R: Cardinal); - function RaiseEx : Exception; + procedure CheckAndSetWrap(const aValue: Cardinal; var aTarget: Cardinal); begin - Result := EglBitmapException.Create('LoadDDS - unsupported Pixelformat found.'); - end; + case aValue of + GL_CLAMP: + aTarget := GL_CLAMP; - - function GetInternalFormat: TglBitmapInternalFormat; - begin - with Header.PixelFormat do begin - // Compresses - if (dwFlags and DDPF_FOURCC) > 0 then begin - case Header.PixelFormat.dwFourCC of - D3DFMT_DXT1: Result := ifDXT1; - D3DFMT_DXT3: Result := ifDXT3; - D3DFMT_DXT5: Result := ifDXT5; - else - raise RaiseEx; - end; - end else + GL_REPEAT: + aTarget := GL_REPEAT; - // RGB - if (dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS)) > 0 then begin - case dwRGBBitCount of - 8: - begin - if dwFlags and DDPF_ALPHAPIXELS > 0 then - Result := ifAlpha - else - Result := ifLuminance; - end; - 16: - begin - if dwFlags and DDPF_ALPHAPIXELS > 0 then begin - // Alpha - case GetBitSize(dwRBitMask) of - 5: Result := ifRGB5A1; - 4: Result := ifRGBA4; - else - Result := ifLuminanceAlpha; - end; - end else begin - // no Alpha - Result := ifR5G6B5; - end; - end; - 24: - begin - if dwRBitMask > dwBBitMask then - Result := ifBGR8 - else - Result := ifRGB8; - end; - 32: - begin - if GetBitSize(dwRBitMask) = 10 then - Result := ifRGB10A2 - else + 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; - if dwRBitMask > dwBBitMask then - Result := ifBGRA8 - else - Result := ifRGBA8; - end; - else - raise RaiseEx; - end; - end else - raise RaiseEx; + 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 EglBitmapException.Create('SetWrap - Unsupported Texturewrap GL_MIRRORED_REPEAT (S).'); + end; + else + raise EglBitmapException.Create('SetWrap - Unknow Texturewrap (S).'); end; end; begin - Result := False; + CheckAndSetWrap(S, fWrapS); + CheckAndSetWrap(T, fWrapT); + CheckAndSetWrap(R, fWrapR); - // Header - StreamPos := Stream.Position; - Stream.Read(Header, sizeof(Header)); - - if ((Header.dwMagic <> DDS_MAGIC) or (Header.dwSize <> 124) or - ((Header.dwFlags and DDSD_PIXELFORMAT) = 0) or ((Header.dwFlags and DDSD_CAPS) = 0)) then begin - Stream.Position := StreamPos; - Exit; + 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; - // Pixelformat -// if Header.dwFlags and DDSD_MIPMAPCOUNT <> 0 -// then MipMapCount := Header.dwMipMapCount -// else MipMapCount := 1; - - Format := GetInternalFormat; - LineSize := Trunc(Header.dwWidth * FormatGetSize(Format)); - - GetMem(NewImage, Header.dwHeight * LineSize); - try - pData := NewImage; - - // 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 - Stream.Read(pData^, RowSize); - Inc(pData, LineSize); - end; - end else - - // RGB(A) - if (Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS)) > 0 then begin - RowSize := Header.dwPitchOrLinearSize; - - for Y := 0 to Header.dwHeight -1 do begin - Stream.Read(pData^, RowSize); - Inc(pData, LineSize); - end; - end - else raise RaiseEx; - - SetDataPointer(NewImage, Format, Header.dwWidth, Header.dwHeight); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.GetPixel(const aPos: TglBitmapPixelPosition; var aPixel: TglBitmapPixelData); +begin + { TODO delete? + if Assigned (fGetPixelFunc) then + fGetPixelFunc(aPos, aPixel); + } +end; - Result := True; - except - FreeMem(NewImage); - raise; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetPixel(const aPos: TglBitmapPixelPosition; const aPixel: TglBitmapPixelData); +begin + {TODO delete? + if Assigned (fSetPixelFunc) then + fSetPixelFuc(aPos, aPixel); + } end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Bind(const aEnableTextureUnit: Boolean); +begin + if aEnableTextureUnit then + glEnable(Target); + if (ID > 0) then + glBindTexture(Target, ID); +end; -type - TTGAHeader = packed record - ImageID: Byte; - ColorMapType: Byte; - ImageType: Byte; - ColorMapSpec: Array[0..4] of Byte; - OrigX: Word; - OrigY: Word; - Width: Word; - Height: Word; - Bpp: Byte; - ImageDes: Byte; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Unbind(const aDisableTextureUnit: Boolean); +begin + if aDisableTextureUnit then + glDisable(Target); + glBindTexture(Target, 0); +end; -const - TGA_UNCOMPRESSED_RGB = 2; - TGA_UNCOMPRESSED_GRAY = 3; - TGA_COMPRESSED_RGB = 10; - TGA_COMPRESSED_GRAY = 11; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create; +begin +{$IFNDEF GLB_NO_NATIVE_GL} + ReadOpenGLExtensions; +{$ENDIF} + if (ClassType = TglBitmap) then + raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); + inherited Create; +end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aFileName: String); +begin + Create; + LoadFromFile(FileName); +end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aStream: TStream); +begin + Create; + LoadFromStream(aStream); +end; -function TglBitmap.LoadTGA(Stream: TStream): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat); var - Header: TTGAHeader; - NewImage, pData: PByte; - StreamPos: Int64; - PixelSize, LineSize, YStart, YEnd, YInc: Integer; - Format: TglBitmapInternalFormat; + Image: PByte; + ImageSize: Integer; +begin + Create; + TFormatDescriptor.Get(aFormat).GetSize(aSize); + GetMem(Image, ImageSize); + try + FillChar(Image^, ImageSize, #$FF); + SetDataPointer(Image, aFormat, aSize.X, aSize.Y); + except + FreeMem(Image); + raise; + end; +end; -const - CACHE_SIZE = $4000; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; + const aFunc: TglBitmapFunction; const aArgs: PtrInt); +begin + Create; + LoadFromFunc(aSize, aFunc, aFormat, aArgs); +end; - procedure ReadUncompressed; - var - RowSize: Integer; - begin - RowSize := Header.Width * PixelSize; +{$IFDEF GLB_DELPHI} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar); +begin + Create; + LoadFromResource(aInstance, aResource, aResType); +end; - // copy line by line - while YStart <> YEnd + YInc do begin - pData := NewImage; - Inc(pData, YStart * LineSize); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); +begin + Create; + LoadFromResourceID(aInstance, aResourceID, aResType); +end; +{$ENDIF} - Stream.Read(pData^, RowSize); - Inc(YStart, YInc); +{$IFDEF GLB_SUPPORT_PNG_READ} +{$IF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//PNG///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; +var + Surface: PSDL_Surface; + RWops: PSDL_RWops; +begin + result := false; + RWops := glBitmapCreateRWops(aStream); + try + if IMG_isPNG(RWops) > 0 then begin + Surface := IMG_LoadPNG_RW(RWops); + try + AssignFromSurface(Surface); + Rresult := true; + finally + SDL_FreeSurface(Surface); + end; end; + finally + SDL_FreeRW(RWops); end; +end; +{$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; - procedure ReadCompressed; - var - HeaderWidth, HeaderHeight: Integer; - LinePixelsRead, ImgPixelsRead, ImgPixelsToRead: Integer; - - Cache: PByte; - CacheSize, CachePos: Integer; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + signature: array [0..7] of byte; + png: png_structp; + png_info: png_infop; - Temp: Byte; - TempBuf: Array [0..15] of Byte; + TempHeight, TempWidth: Integer; + Format: TglBitmapInternalFormat; - PixelRepeat: Boolean; - PixelToRead, TempPixels: Integer; + 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.'); - procedure CheckLine; - begin - if LinePixelsRead >= HeaderWidth then begin - LinePixelsRead := 0; - pData := NewImage; - Inc(YStart, YInc); - Inc(pData, YStart * LineSize); - end; - end; + try + // signature + StreamPos := Stream.Position; + Stream.Read(signature, 8); + Stream.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.'); - procedure CachedRead(var Buffer; Count: Integer); - var - BytesRead: Integer; - begin - if (CachePos + Count) > CacheSize then begin - BytesRead := 0; + // 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; - // Read Data - if CacheSize - CachePos > 0 then begin - BytesRead := CacheSize - CachePos; + // set read callback + png_set_read_fn(png, stream, glBitmap_libPNG_read_func); - Move(pByteArray(Cache)^[CachePos], Buffer, BytesRead); - Inc(CachePos, BytesRead); - end; + // read informations + png_read_info(png, png_info); - // Reload Data - CacheSize := Min(CACHE_SIZE, Stream.Size - Stream.Position); - Stream.Read(Cache^, CacheSize); - CachePos := 0; + // size + TempHeight := png_get_image_height(png, png_info); + TempWidth := png_get_image_width(png, png_info); - // Read else - if Count - BytesRead > 0 then begin - Move(pByteArray(Cache)^[CachePos], TByteArray(Buffer)[BytesRead], Count - BytesRead); - Inc(CachePos, Count - BytesRead); - end; - end else begin - Move(pByteArray(Cache)^[CachePos], Buffer, Count); - Inc(CachePos, Count); + // 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; - end; + // cut upper 8 bit from 16 bit formats + if png_get_bit_depth(png, png_info) > 8 then + png_set_strip_16(png); - begin - CacheSize := 0; - CachePos := 0; - - HeaderWidth := Header.Width; - HeaderHeight := Header.Height; - - GetMem(Cache, CACHE_SIZE); // 16K Buffer - try - ImgPixelsToRead := HeaderWidth * HeaderHeight; - ImgPixelsRead := 0; - LinePixelsRead := 0; - - pData := NewImage; - Inc(pData, YStart * LineSize); + // expand bitdepth smaller than 8 + if png_get_bit_depth(png, png_info) < 8 then + png_set_expand(png); - // Read until all Pixels - repeat - CachedRead(Temp, 1); + // 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; - PixelRepeat := Temp and $80 > 0; - PixelToRead := (Temp and $7F) + 1; - - Inc(ImgPixelsRead, PixelToRead); - - if PixelRepeat then begin - // repeat one pixel x times - CachedRead(TempBuf[0], PixelSize); - - // repeat Pixel - while PixelToRead > 0 do begin - CheckLine; - - TempPixels := HeaderWidth - LinePixelsRead; - if PixelToRead < TempPixels then - TempPixels := PixelToRead; - - Inc(LinePixelsRead, TempPixels); - Dec(PixelToRead, TempPixels); - - while TempPixels > 0 do begin - case PixelSize of - 1: - begin - pData^ := TempBuf[0]; - Inc(pData); - end; - 2: - begin - pWord(pData)^ := pWord(@TempBuf[0])^; - Inc(pData, 2); - end; - 3: - begin - pWord(pData)^ := pWord(@TempBuf[0])^; - Inc(pData, 2); - pData^ := TempBuf[2]; - Inc(pData); - end; - 4: - begin - pDWord(pData)^ := pDWord(@TempBuf[0])^; - Inc(pData, 4); - end; - end; + // read complete image into scanlines + png_read_image(png, @png_rows[0]); - Dec(TempPixels); - end; - end; - end else begin - // copy x pixels - while PixelToRead > 0 do begin - CheckLine; + // read end + png_read_end(png, png_info); - TempPixels := HeaderWidth - LinePixelsRead; - if PixelToRead < TempPixels then - TempPixels := PixelToRead; + // destroy read struct + png_destroy_read_struct(@png, @png_info, nil); - CachedRead(pData^, PixelSize * TempPixels); - Inc(pData, PixelSize * TempPixels); + SetLength(png_rows, 0); - Inc(LinePixelsRead, TempPixels); + // set new data + SetDataPointer(png_data, Format, TempWidth, TempHeight); - Dec(PixelToRead, TempPixels); - end; - end; - until ImgPixelsRead >= ImgPixelsToRead; - finally - FreeMem(Cache) + result := true; + except + FreeMem(png_data); + raise; + end; end; + finally + quit_libPNG; end; +end; + +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + Png: TPNGObject; + Header: Array[0..7] of Byte; + Row, Col, PixSize, LineSize: Integer; + NewImage, pSource, pDest, pAlpha: pByte; + Format: TglBitmapInternalFormat; + +const + PngHeader: Array[0..7] of Byte = (#137, #80, #78, #71, #13, #10, #26, #10); begin - Result := False; + result := false; - // reading header to test file and set cursor back to begin StreamPos := Stream.Position; - Stream.Read(Header, SizeOf(Header)); + Stream.Read(Header[0], SizeOf(Header)); + Stream.Position := StreamPos; - // no colormapped files - if (Header.ColorMapType = 0) then begin - if Header.ImageType in [TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY] then begin - case Header.Bpp of - 8: Format := ifAlpha; - 16: Format := ifLuminanceAlpha; - 24: Format := ifBGR8; - 32: Format := ifBGRA8; + {Test if the header matches} + if Header = PngHeader then begin + Png := TPNGObject.Create; + try + Png.LoadFromStream(Stream); + + case Png.Header.ColorType of + COLOR_GRAYSCALE: + Format := ifLuminance; + COLOR_GRAYSCALEALPHA: + Format := ifLuminanceAlpha; + COLOR_RGB: + Format := ifBGR8; + COLOR_RGBALPHA: + Format := ifBGRA8; else - raise EglBitmapException.Create('LoadTga - unsupported BitsPerPixel found.'); + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); end; - // skip image ID - if Header.ImageID <> 0 then - Stream.Position := Stream.Position + Header.ImageID; - - PixelSize := Trunc(FormatGetSize(Format)); - LineSize := Trunc(Header.Width * PixelSize); + PixSize := Trunc(FormatGetSize(Format)); + LineSize := Integer(Png.Header.Width) * PixSize; - GetMem(NewImage, LineSize * Header.Height); + GetMem(NewImage, LineSize * Integer(Png.Header.Height)); try - // Row direction - if (Header.ImageDes and $20 > 0) then begin - YStart := 0; - YEnd := Header.Height -1; - YInc := 1; - end else begin - YStart := Header.Height -1; - YEnd := 0; - YInc := -1; - end; + pDest := NewImage; - // Read Image - case Header.ImageType of - TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY: - ReadUncompressed; - TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY: - ReadCompressed; + case Png.Header.ColorType of + COLOR_RGB, COLOR_GRAYSCALE: + begin + for Row := 0 to Png.Height -1 do begin + Move (Png.Scanline[Row]^, pDest^, LineSize); + Inc(pDest, LineSize); + end; + end; + COLOR_RGBALPHA, COLOR_GRAYSCALEALPHA: + begin + PixSize := PixSize -1; + + for Row := 0 to Png.Height -1 do begin + pSource := Png.Scanline[Row]; + pAlpha := pByte(Png.AlphaScanline[Row]); + + for Col := 0 to Png.Width -1 do begin + Move (pSource^, pDest^, PixSize); + Inc(pSource, PixSize); + Inc(pDest, PixSize); + + pDest^ := pAlpha^; + inc(pAlpha); + Inc(pDest); + end; + end; + end; + else + raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); end; - SetDataPointer(NewImage, Format, Header.Width, Header.Height); + SetDataPointer(NewImage, Format, Png.Header.Width, Png.Header.Height); - Result := True; + result := true; except FreeMem(NewImage); raise; end; - end - else Stream.Position := StreamPos; - end - else Stream.Position := StreamPos; + finally + Png.Free; + end; + end; end; +{$IFEND} +{$ENDIF} - -{$ifdef GLB_SUPPORT_PNG_WRITE} -{$ifdef GLB_LIB_PNG} +{$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} +{$ENDIF} -procedure TglBitmap.SavePNG(Stream: TStream); -{$ifdef GLB_LIB_PNG} +{$IF DEFINED(GLB_LIB_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SavePNG(const aStream: TStream); var png: png_structp; png_info: png_infop; @@ -4418,7 +5455,6 @@ begin else raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); end; - LineSize := Trunc(FormatGetSize(FInternalFormat) * Width); // creating array for scanline @@ -4445,1671 +5481,1894 @@ begin png_set_write_fn(png, stream, glBitmap_libPNG_write_func, nil); // set compression - png_set_compression_level(png, 6); - - if InternalFormat in [ifBGR8, ifBGRA8] then - png_set_bgr(png); - - // setup header - png_set_IHDR(png, png_info, Width, Height, 8, ColorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - - // write info - png_write_info(png, png_info); - - // write image data - png_write_image(png, @png_rows[0]); - - // write end - png_write_end(png, png_info); - - // destroy write struct - png_destroy_write_struct(@png, @png_info); - finally - SetLength(png_rows, 0); - end; - finally - quit_libPNG; - end; -end; -{$endif} -{$ifdef GLB_PNGIMAGE} -var - Png: TPNGObject; - - pSource, pDest: pByte; - X, Y, PixSize: Integer; - ColorType: Cardinal; - Alpha: Boolean; - - pTemp: pByte; - Temp: Byte; -begin - if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); - - case FInternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - ColorType := COLOR_GRAYSCALE; - PixSize := 1; - Alpha := False; - end; - ifLuminanceAlpha: - begin - ColorType := COLOR_GRAYSCALEALPHA; - PixSize := 1; - Alpha := True; - end; - ifBGR8, ifRGB8: - begin - ColorType := COLOR_RGB; - PixSize := 3; - Alpha := False; - end; - ifBGRA8, ifRGBA8: - begin - ColorType := COLOR_RGBALPHA; - PixSize := 3; - Alpha := True - end; - else - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; - - Png := TPNGObject.CreateBlank(ColorType, 8, Width, Height); - try - // Copy ImageData - pSource := Data; - for Y := 0 to Height -1 do begin - pDest := png.ScanLine[Y]; - - for X := 0 to Width -1 do begin - Move(pSource^, pDest^, PixSize); - - Inc(pDest, PixSize); - Inc(pSource, PixSize); - - if Alpha then begin - png.AlphaScanline[Y]^[X] := pSource^; - Inc(pSource); - end; - end; - - // convert RGB line to BGR - if InternalFormat in [ifRGB8, ifRGBA8] then begin - pTemp := png.ScanLine[Y]; - - for X := 0 to Width -1 do begin - Temp := pByteArray(pTemp)^[0]; - pByteArray(pTemp)^[0] := pByteArray(pTemp)^[2]; - pByteArray(pTemp)^[2] := Temp; - - Inc(pTemp, 3); - end; - end; - end; - - // Save to Stream - Png.CompressionLevel := 6; - Png.SaveToStream(Stream); - finally - FreeAndNil(Png); - end; -end; -{$endif} -{$endif} - - -procedure TglBitmap.SaveDDS(Stream: TStream); -var - Header: TDDSHeader; - Pix: TglBitmapPixelData; -begin - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveDDS - ' + UNSUPPORTED_INTERNAL_FORMAT); - - if InternalFormat = ifAlpha then - FormatPreparePixel(Pix, ifLuminance) - else - FormatPreparePixel(Pix, InternalFormat); - - // Generell - FillChar(Header, SizeOf(Header), 0); - - Header.dwMagic := DDS_MAGIC; - Header.dwSize := 124; - Header.dwFlags := DDSD_PITCH or DDSD_CAPS or DDSD_PIXELFORMAT; - - if Width > 0 then begin - Header.dwWidth := Width; - Header.dwFlags := Header.dwFlags or DDSD_WIDTH; - end; - - if Height > 0 then begin - Header.dwHeight := Height; - Header.dwFlags := Header.dwFlags or DDSD_HEIGHT; - end; - - Header.dwPitchOrLinearSize := fRowSize; - Header.dwMipMapCount := 1; - - // Caps - Header.Caps.dwCaps1 := DDSCAPS_TEXTURE; - - // Pixelformat - Header.PixelFormat.dwSize := Sizeof(Header.PixelFormat); - Header.PixelFormat.dwFlags := DDPF_RGB; - - if FormatHasAlpha(InternalFormat) and (InternalFormat <> ifAlpha) - then Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS; - - Header.PixelFormat.dwRGBBitCount := Trunc(FormatGetSize(InternalFormat) * 8); - Header.PixelFormat.dwRBitMask := Pix.PixelDesc.RedRange shl Pix.PixelDesc.RedShift; - Header.PixelFormat.dwGBitMask := Pix.PixelDesc.GreenRange shl Pix.PixelDesc.GreenShift; - Header.PixelFormat.dwBBitMask := Pix.PixelDesc.BlueRange shl Pix.PixelDesc.BlueShift; - Header.PixelFormat.dwAlphaBitMask := Pix.PixelDesc.AlphaRange shl Pix.PixelDesc.AlphaShift; - - // Write - Stream.Write(Header, SizeOf(Header)); - - Stream.Write(Data^, FormatGetImageSize(glBitmapPosition(Width, Height), InternalFormat)); -end; - - -procedure TglBitmap.SaveTGA(Stream: TStream); -var - Header: TTGAHeader; - Size: Integer; - pTemp: pByte; - - - procedure ConvertData(pTemp: pByte); - var - Idx, PixelSize: Integer; - Temp: byte; - begin - PixelSize := fPixelSize; - - for Idx := 0 to Height * Width do begin - Temp := pByteArray(pTemp)^[2]; - pByteArray(pTemp)^[2] := pByteArray(pTemp)^[0]; - pByteArray(pTemp)^[0] := Temp; - - Inc(pTemp, PixelSize); - end; - end; - - -begin - if not (ftTGA in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveTGA - ' + UNSUPPORTED_INTERNAL_FORMAT); - - FillChar(Header, SizeOf(Header), 0); - - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - Header.ImageType := TGA_UNCOMPRESSED_GRAY; - Header.Bpp := 8; - end; - ifLuminanceAlpha: - begin - Header.ImageType := TGA_UNCOMPRESSED_GRAY; - Header.Bpp := 16; - end; - ifRGB8, ifBGR8: - begin - Header.ImageType := TGA_UNCOMPRESSED_RGB; - Header.Bpp := 24; - end; - ifRGBA8, ifBGRA8: - begin - Header.ImageType := TGA_UNCOMPRESSED_RGB; - Header.Bpp := 32; - end; - else - raise EglBitmapUnsupportedInternalFormat.Create('SaveTGA - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; - - Header.Width := Width; - Header.Height := Height; - Header.ImageDes := $20; - - if FormatHasAlpha(InternalFormat) then - Header.ImageDes := Header.ImageDes or $08; - - Stream.Write(Header, SizeOf(Header)); - - // convert RGB(A) to BGR(A) - Size := FormatGetImageSize(glBitmapPosition(Width, Height), InternalFormat); - if InternalFormat in [ifRGB8, ifRGBA8] then begin - GetMem(pTemp, Size); - end else - pTemp := Data; - - try - // convert data - if InternalFormat in [ifRGB8, ifRGBA8] then begin - Move(Data^, pTemp^, Size); - ConvertData(pTemp); - end; - - // write data - Stream.Write(pTemp^, Size); - finally - // free tempdata - if InternalFormat in [ifRGB8, ifRGBA8] then - FreeMem(pTemp); - end; -end; - - -{$ifdef GLB_SUPPORT_JPEG_WRITE} -procedure TglBitmap.SaveJPEG(Stream: TStream); -{$ifdef GLB_LIB_JPEG} -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(InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT); - - if not init_libJPEG then - raise Exception.Create('SaveJPG - unable to initialize libJPEG.'); - - try - FillChar(jpeg, SizeOf(jpeg_compress_struct), $00); - FillChar(jpeg_err, 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 := Stream; - end; - - // very important state - jpeg.global_state := CSTATE_START; - - jpeg.image_width := Width; - jpeg.image_height := Height; - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - jpeg.input_components := 1; - jpeg.in_color_space := JCS_GRAYSCALE; - end; - ifRGB8, ifBGR8: - begin - jpeg.input_components := 3; - jpeg.in_color_space := JCS_RGB; - end; - end; - - // setting defaults - jpeg_set_defaults(@jpeg); - - // compression quality - jpeg_set_quality(@jpeg, 95, True); - - // start compression - jpeg_start_compress(@jpeg, true); - - // write rows - pTemp := Data; - - // initialing row - if InternalFormat = ifBGR8 then - GetMem(pTemp2, fRowSize) - else - pTemp2 := pTemp; + png_set_compression_level(png, 6); - try - for Row := 0 to jpeg.image_height -1 do begin - // prepare row - if InternalFormat = ifBGR8 then - CopyRow(pTemp2, pTemp) - else - pTemp2 := pTemp; + if InternalFormat in [ifBGR8, ifBGRA8] then + png_set_bgr(png); - // write row - jpeg_write_scanlines(@jpeg, @pTemp2, 1); - inc(pTemp, fRowSize); - end; + 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 - // free memory - if InternalFormat = ifBGR8 then - FreeMem(pTemp2); + SetLength(png_rows, 0); end; - - // finish compression - jpeg_finish_compress(@jpeg); - - // destroy compression - jpeg_destroy_compress(@jpeg); finally - quit_libJPEG; + quit_libPNG; end; end; -{$endif} -{$ifdef GLB_DELPHI_JPEG} + +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SavePNG(const aStream: TStream); var - Bmp: TBitmap; - Jpg: TJPEGImage; + Png: TPNGObject; + + pSource, pDest: pByte; + X, Y, PixSize: Integer; + ColorType: Cardinal; + Alpha: Boolean; + + pTemp: pByte; + Temp: Byte; begin - if not (ftJPEG in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT); + if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then + raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); - Bmp := TBitmap.Create; - try - Jpg := TJPEGImage.Create; - try - AssignToBitmap(Bmp); + case FInternalFormat of + ifAlpha, ifLuminance, ifDepth8: begin + ColorType := COLOR_GRAYSCALE; + PixSize := 1; + Alpha := false; + end; + ifLuminanceAlpha: begin + ColorType := COLOR_GRAYSCALEALPHA; + PixSize := 1; + Alpha := true; + end; + ifBGR8, ifRGB8: begin + ColorType := COLOR_RGB; + PixSize := 3; + Alpha := false; + end; + ifBGRA8, ifRGBA8: begin + ColorType := COLOR_RGBALPHA; + PixSize := 3; + Alpha := true + end; + else + raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + end; - if FInternalFormat in [ifAlpha, ifLuminance, ifDepth8] then begin - Jpg.Grayscale := True; - Jpg.PixelFormat := jf8Bit; + 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; - Jpg.Assign(Bmp); - - Jpg.SaveToStream(Stream); - finally - FreeAndNil(Jpg); + // convert RGB line to BGR + if InternalFormat in [ifRGB8, ifRGBA8] 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(Stream); finally - FreeAndNil(Bmp); + FreeAndNil(Png); end; end; -{$endif} -{$endif} - - -procedure TglBitmap.SaveBMP(Stream: TStream); -var - Header: TBMPHeader; - Info: TBMPInfo; - pData, pTemp: pByte; +{$IFEND} +{$ENDIF} - PixelFormat: TglBitmapPixelData; - ImageSize, LineSize, Padding, LineIdx, ColorIdx: Integer; - Temp, RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//JPEG//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$IFDEF GLB_LIB_JPEG} +type + glBitmap_libJPEG_source_mgr_ptr = ^glBitmap_libJPEG_source_mgr; + glBitmap_libJPEG_source_mgr = record + pub: jpeg_source_mgr; - PaddingBuff: Cardinal; + 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; - function GetLineWidth : Integer; - begin - Result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; + DestStream: TStream; + DestBuffer: array [1..4096] of byte; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ +procedure glBitmap_libJPEG_error_exit(cinfo: j_common_ptr); cdecl; +var + Msg: String; begin - if not (ftBMP in FormatGetSupportedFiles(InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveBMP - ' + UNSUPPORTED_INTERNAL_FORMAT); + SetLength(Msg, 256); + cinfo^.err^.format_message(cinfo, pChar(Msg)); + Writeln('ERROR [' + IntToStr(cinfo^.err^.msg_code) + '] ' + Msg); + cinfo^.global_state := 0; + jpeg_abort(cinfo); +end; +} - ImageSize := Trunc(Width * Height * FormatGetSize(InternalFormat)); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ +procedure glBitmap_libJPEG_output_message(cinfo: j_common_ptr); cdecl; +var + Msg: String; +begin + SetLength(Msg, 256); + cinfo^.err^.format_message(cinfo, pChar(Msg)); + Writeln('OUTPUT [' + IntToStr(cinfo^.err^.msg_code) + '] ' + Msg); + cinfo^.global_state := 0; +end; +} - Header.bfType := BMP_MAGIC; - Header.bfSize := SizeOf(Header) + SizeOf(Info) + ImageSize; - Header.bfReserved1 := 0; - Header.bfReserved2 := 0; - Header.bfOffBits := SizeOf(Header) + SizeOf(Info); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ +procedure glBitmap_libJPEG_init_source(cinfo: j_decompress_ptr); cdecl; +begin +end; +} - FillChar(Info, SizeOf(Info), 0); - Info.biSize := SizeOf(Info); - Info.biWidth := Width; - Info.biHeight := Height; - Info.biPlanes := 1; - Info.biCompression := BMP_COMP_RGB; - Info.biSizeImage := ImageSize; - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - Info.biBitCount := 8; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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); - Header.bfSize := Header.bfSize + 256 * SizeOf(Cardinal); - Header.bfOffBits := Header.bfOffBits + 256 * SizeOf(Cardinal); + 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; - Info.biClrUsed := 256; - Info.biClrImportant := 256; - end; - ifLuminanceAlpha, ifRGBA4, ifR5G6B5, ifRGB5A1: - begin - Info.biBitCount := 16; - Info.biCompression := BMP_COMP_BITFIELDS; - end; - ifBGR8, ifRGB8: - Info.biBitCount := 24; - ifBGRA8, ifRGBA8, ifRGB10A2: - begin - Info.biBitCount := 32; - Info.biCompression := BMP_COMP_BITFIELDS; - end; - else - raise EglBitmapUnsupportedInternalFormat.Create('SaveBMP - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; - Info.biXPelsPerMeter := 2835; - Info.biYPelsPerMeter := 2835; + src^.pub.next_input_byte := @(src^.SrcBuffer[1]); + src^.pub.bytes_in_buffer := bytes; - // prepare bitmasks - if Info.biCompression = BMP_COMP_BITFIELDS then begin - Info.biSize := Info.biSize + 4 * SizeOf(Cardinal); - Header.bfSize := Header.bfSize + 4 * SizeOf(Cardinal); - Header.bfOffBits := Header.bfOffBits + 4 * SizeOf(Cardinal); + result := true; +end; - FormatPreparePixel(PixelFormat, InternalFormat); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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); - with PixelFormat.PixelDesc do begin - RedMask := RedRange shl RedShift; - GreenMask := GreenRange shl GreenShift; - BlueMask := BlueRange shl BlueShift; - AlphaMask := AlphaRange shl AlphaShift; + 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; - // headers - Stream.Write(Header, SizeOf(Header)); - Stream.Write(Info, SizeOf(Info)); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ +procedure glBitmap_libJPEG_term_source(cinfo: j_decompress_ptr); cdecl; +begin +end; +} - // colortable - if Info.biBitCount = 8 then begin - Temp := 0; - for ColorIdx := Low(Byte) to High(Byte) do begin - Stream.Write(Temp, 4); - Temp := Temp + $00010101; - end; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ +procedure glBitmap_libJPEG_init_destination(cinfo: j_compress_ptr); cdecl; +begin +end; +} - // bitmasks - if Info.biCompression = BMP_COMP_BITFIELDS then begin - Stream.Write(RedMask, SizeOf(Cardinal)); - Stream.Write(GreenMask, SizeOf(Cardinal)); - Stream.Write(BlueMask, SizeOf(Cardinal)); - Stream.Write(AlphaMask, SizeOf(Cardinal)); - 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); - // image data - LineSize := Trunc(Width * FormatGetSize(InternalFormat)); - Padding := GetLineWidth - LineSize; - PaddingBuff := 0; + if dest^.pub.free_in_buffer < Cardinal(Length(dest^.DestBuffer)) then begin + // write complete buffer + dest^.DestStream.Write(dest^.DestBuffer[1], SizeOf(dest^.DestBuffer)); - pData := Data; - Inc(pData, (Height -1) * LineSize); + // reset buffer + dest^.pub.next_output_byte := @dest^.DestBuffer[1]; + dest^.pub.free_in_buffer := Length(dest^.DestBuffer); + end; - // prepare row buffer. But only for RGB because RGBA supports color masks - // so it's possible to change color within the image. - if InternalFormat = ifRGB8 then - GetMem(pTemp, fRowSize) - else - pTemp := nil; + result := true; +end; - try - // write image data - for LineIdx := 0 to Height - 1 do begin - // preparing row - if InternalFormat = ifRGB8 then begin - Move(pData^, pTemp^, fRowSize); - SwapRGB(pTemp, Width, False); - end else - pTemp := pData; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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] = $FF) and (dest^.DestBuffer[Idx +1] = JPEG_EOI) then begin + // write endblock + dest^.DestStream.Write(dest^.DestBuffer[Idx], 2); - Stream.Write(pTemp^, LineSize); + // leave + break; + end else + dest^.DestStream.Write(dest^.DestBuffer[Idx], 1); + end; +end; +{$ENDIF} - Dec(pData, LineSize); +{$IFDEF GLB_SUPPORT_JPEG_READ} +{$IF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; +var + Surface: PSDL_Surface; + RWops: PSDL_RWops; +begin + result := false; - if Padding > 0 then - Stream.Write(PaddingBuff, Padding); + RWops := glBitmapCreateRWops(Stream); + 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 - // destroy row buffer - if InternalFormat = ifRGB8 then - FreeMem(pTemp); + 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: TglBitmapInternalFormat; + pImage: pByte; + TempHeight, TempWidth: Integer; -procedure TglBitmap.Bind(EnableTextureUnit: Boolean); + pTemp: pByte; + Row: Integer; begin - if EnableTextureUnit then - glEnable(Target); + result := false; - if ID > 0 then - glBindTexture(Target, ID); -end; + 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 := Stream.Position; + Stream.Read(Temp[0], 2); + Stream.Position := StreamPos; -procedure TglBitmap.Unbind(DisableTextureUnit: Boolean); -begin - if DisableTextureUnit then - glDisable(Target); + // if Bitmap then read file. + if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin + FillChar(jpeg, SizeOf(jpeg_decompress_struct), $00); + FillChar(jpeg_err, 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; - glBindTexture(Target, 0); -end; + // 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)); -procedure TglBitmap.GetPixel(const Pos: TglBitmapPixelPosition; - var Pixel: TglBitmapPixelData); -begin - if Assigned (fGetPixelFunc) then - fGetPixelFunc(Pos, Pixel); -end; + // 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 -procedure TglBitmap.SetPixel (const Pos: TglBitmapPixelPosition; - const Pixel: TglBitmapPixelData); -begin - if Assigned (fSetPixelFunc) then - fSetPixelFunc(Pos, Pixel); -end; + SrcStream := Stream; + end; + // set global decoding state + jpeg.global_state := DSTATE_START; -procedure TglBitmap.CreateID; -begin - // Generate Texture - if ID <> 0 then - glDeleteTextures(1, @ID); + // read header of jpeg + jpeg_read_header(@jpeg, false); - glGenTextures(1, @ID); + // setting output parameter + case jpeg.jpeg_color_space of + JCS_GRAYSCALE: + begin + jpeg.out_color_space := JCS_GRAYSCALE; + IntFormat := ifLuminance; + end; + else + jpeg.out_color_space := JCS_RGB; + IntFormat := ifRGB8; + end; - Bind(False); -end; + // reading image + jpeg_start_decompress(@jpeg); + TempHeight := jpeg.output_height; + TempWidth := jpeg.output_width; -procedure TglBitmap.SetupParameters(var BuildWithGlu: Boolean); -begin - // Set up parameters - SetWrap(fWrapS, fWrapT, fWrapR); - SetFilter(fFilterMin, fFilterMag); - SetAnisotropic(fAnisotropic); - SetBorderColor(fBorderColor[0], fBorderColor[1], fBorderColor[2], fBorderColor[3]); + // creating new image + GetMem(pImage, FormatGetImageSize(glBitmapPosition(TempWidth, TempHeight), IntFormat)); + try + pTemp := pImage; - // Mip Maps generation Mode - BuildWithGlu := False; + for Row := 0 to TempHeight -1 do begin + jpeg_read_scanlines(@jpeg, @pTemp, 1); + Inc(pTemp, Trunc(FormatGetSize(IntFormat) * TempWidth)); + end; - if (MipMap = mmMipmap) then begin - if (GL_VERSION_1_4 or GL_SGIS_generate_mipmap) then - glTexParameteri(Target, GL_GENERATE_MIPMAP, GL_TRUE) - else - BuildWithGlu := True; - end else - if (MipMap = mmMipmapGlu) then - BuildWithGlu := True; -end; + // finish decompression + jpeg_finish_decompress(@jpeg); + // destroy decompression + jpeg_destroy_decompress(@jpeg); -procedure TglBitmap.SelectFormat(DataFormat: TglBitmapInternalFormat; var glFormat, glInternalFormat, glType: Cardinal; CanConvertImage: Boolean = True); + SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); - procedure Check12; - begin - if not GL_VERSION_1_2 then - raise EglBitmapUnsupportedInternalFormat.Create('SelectFormat - You need at least OpenGL 1.2 to support these format.'); - end; - -begin - glType := GL_UNSIGNED_BYTE; - - // selecting Format - case DataFormat of - ifAlpha: - glFormat := GL_ALPHA; - ifLuminance: - glFormat := GL_LUMINANCE; - ifDepth8: - glFormat := GL_DEPTH_COMPONENT; - ifLuminanceAlpha: - glFormat := GL_LUMINANCE_ALPHA; - ifBGR8: - begin - if (GL_VERSION_1_2 or GL_EXT_bgra) then begin - glFormat := GL_BGR; - end else begin - if CanConvertImage then - ConvertTo(ifRGB8); - glFormat := GL_RGB; - end; - end; - ifBGRA8: - begin - if (GL_VERSION_1_2 or GL_EXT_bgra) then begin - glFormat := GL_BGRA; - end else begin - if CanConvertImage then - ConvertTo(ifRGBA8); - glFormat := GL_RGBA; - end; - end; - ifRGB8: - glFormat := GL_RGB; - ifRGBA8: - glFormat := GL_RGBA; - ifRGBA4: - begin - Check12; - glFormat := GL_BGRA; - glType := GL_UNSIGNED_SHORT_4_4_4_4_REV; - end; - ifRGB5A1: - begin - Check12; - glFormat := GL_BGRA; - glType := GL_UNSIGNED_SHORT_1_5_5_5_REV; - end; - ifRGB10A2: - begin - Check12; - glFormat := GL_BGRA; - glType := GL_UNSIGNED_INT_2_10_10_10_REV; - end; - ifR5G6B5: - begin - Check12; - glFormat := GL_RGB; - glType := GL_UNSIGNED_SHORT_5_6_5; - end; - else - glFormat := 0; - end; - - // Selecting InternalFormat - case DataFormat of - ifDXT1, ifDXT3, ifDXT5: - begin - if GL_EXT_texture_compression_s3tc then begin - case DataFormat of - ifDXT1: - glInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; - ifDXT3: - glInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; - ifDXT5: - glInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; - end; - end else begin - // Compression isn't supported so convert to RGBA - if CanConvertImage then - ConvertTo(ifRGBA8); - glFormat := GL_RGBA; - glInternalFormat := GL_RGBA8; - end; - end; - ifAlpha: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_ALPHA4; - tf8BitsPerChanel: - glInternalFormat := GL_ALPHA8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then - glInternalFormat := GL_COMPRESSED_ALPHA - else - glInternalFormat := GL_ALPHA; - end; - else - glInternalFormat := GL_ALPHA; - end; - end; - ifLuminance: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_LUMINANCE4; - tf8BitsPerChanel: - glInternalFormat := GL_LUMINANCE8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then - glInternalFormat := GL_COMPRESSED_LUMINANCE - else - glInternalFormat := GL_LUMINANCE; - end; - else - glInternalFormat := GL_LUMINANCE; - end; - end; - ifDepth8: - begin - glInternalFormat := GL_DEPTH_COMPONENT; - end; - ifLuminanceAlpha: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_LUMINANCE4_ALPHA4; - tf8BitsPerChanel: - glInternalFormat := GL_LUMINANCE8_ALPHA8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then - glInternalFormat := GL_COMPRESSED_LUMINANCE_ALPHA - else - glInternalFormat := GL_LUMINANCE_ALPHA; - end; - else - glInternalFormat := GL_LUMINANCE_ALPHA; - end; - end; - ifBGR8, ifRGB8: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_RGB4; - tf8BitsPerChanel: - glInternalFormat := GL_RGB8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then begin - glInternalFormat := GL_COMPRESSED_RGB - end else begin - if (GL_EXT_texture_compression_s3tc) then - glInternalFormat := GL_COMPRESSED_RGB_S3TC_DXT1_EXT - else - glInternalFormat := GL_RGB; - end; - end; - else - glInternalFormat := GL_RGB; - end; - end; - ifBGRA8, ifRGBA8, ifRGBA4, ifRGB5A1, ifRGB10A2, ifR5G6B5: - begin - case Format of - tf4BitsPerChanel: - glInternalFormat := GL_RGBA4; - tf8BitsPerChanel: - glInternalFormat := GL_RGBA8; - tfCompressed: - begin - if (GL_ARB_texture_compression or GL_VERSION_1_3) then begin - glInternalFormat := GL_COMPRESSED_RGBA - end else begin - if (GL_EXT_texture_compression_s3tc) then - glInternalFormat := GL_COMPRESSED_RGBA_S3TC_DXT1_EXT - else - glInternalFormat := GL_RGBA; - end; - end; - else - glInternalFormat := GL_RGBA; - end; + result := true; + except + FreeMem(pImage); + raise; end; + end; + finally + quit_libJPEG; end; end; - -function TglBitmap.FlipHorz: Boolean; -begin - Result := False; -end; - - -function TglBitmap.FlipVert: Boolean; +{$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; -end; + result := false; + // reading first two bytes to test file and set cursor back to begin + StreamPos := Stream.Position; + Stream.Read(Temp[0], 2); + Stream.Position := StreamPos; -procedure TglBitmap.FreeData; -begin - SetDataPointer(nil, ifEmpty); + // if Bitmap then read file. + if ((Temp[0] = $FF) and (Temp[1] = $D8)) then begin + bmp := TBitmap.Create; + try + jpg := TJPEGImage.Create; + try + jpg.LoadFromStream(Stream); + bmp.Assign(jpg); + result := AssignFromBitmap(bmp); + finally + jpg.Free; + end; + finally + bmp.Free; + end; + end; end; +{$IFEND} +{$ENDIF} +{$IFDEF GLB_SUPPORT_JPEG_WRITE} +{$IF DEFEFINED(GLB_LIB_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveJPEG(Stream: TStream); +var + jpeg: jpeg_compress_struct; + jpeg_err: jpeg_error_mgr; + Row: Integer; + pTemp, pTemp2: pByte; -procedure glBitmapFillWithColorFunc(var FuncRec: TglBitmapFunctionRec); -type - PglBitmapPixelData = ^TglBitmapPixelData; -begin - with FuncRec do begin - Dest.Red := PglBitmapPixelData(CustomData)^.Red; - Dest.Green := PglBitmapPixelData(CustomData)^.Green; - Dest.Blue := PglBitmapPixelData(CustomData)^.Blue; - Dest.Alpha := PglBitmapPixelData(CustomData)^.Alpha; + 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; -end; - -procedure TglBitmap.FillWithColor(Red, Green, Blue, Alpha: Byte); begin - FillWithColorFloat(Red / $FF, Green / $FF, Blue / $FF, Alpha / $FF); -end; + if not (ftJPEG in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT); + if not init_libJPEG then + raise Exception.Create('SaveJPG - unable to initialize libJPEG.'); -procedure TglBitmap.FillWithColorFloat(Red, Green, Blue, Alpha: Single); -var - PixelData: TglBitmapPixelData; -begin - FormatPreparePixel(PixelData, InternalFormat); + try + FillChar(jpeg, SizeOf(jpeg_compress_struct), $00); + FillChar(jpeg_err, SizeOf(jpeg_error_mgr), $00); - PixelData.Red := Max(0, Min(PixelData.PixelDesc.RedRange, Trunc(PixelData.PixelDesc.RedRange * Red))); - PixelData.Green := Max(0, Min(PixelData.PixelDesc.GreenRange, Trunc(PixelData.PixelDesc.GreenRange * Green))); - PixelData.Blue := Max(0, Min(PixelData.PixelDesc.BlueRange, Trunc(PixelData.PixelDesc.BlueRange * Blue))); - PixelData.Alpha := Max(0, Min(PixelData.PixelDesc.AlphaRange, Trunc(PixelData.PixelDesc.AlphaRange * Alpha))); + // 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; - AddFunc(glBitmapFillWithColorFunc, False, @PixelData); -end; + // 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)); -procedure TglBitmap.FillWithColorRange(Red, Green, Blue, Alpha: Cardinal); -var - PixelData: TglBitmapPixelData; -begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + // 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; - FillWithColorFloat( - Red / PixelData.PixelDesc.RedRange, - Green / PixelData.PixelDesc.GreenRange, - Blue / PixelData.PixelDesc.BlueRange, - Alpha / PixelData.PixelDesc.AlphaRange); -end; + pub.next_output_byte := @DestBuffer[1]; + pub.free_in_buffer := Length(DestBuffer); + DestStream := Stream; + end; -procedure TglBitmap.SetAnisotropic(const Value: Integer); -var - MaxAniso: Integer; -begin - fAnisotropic := Value; + // very important state + jpeg.global_state := CSTATE_START; + jpeg.image_width := Width; + jpeg.image_height := Height; + case InternalFormat of + ifAlpha, ifLuminance, ifDepth8: begin + jpeg.input_components := 1; + jpeg.in_color_space := JCS_GRAYSCALE; + end; + ifRGB8, ifBGR8: begin + jpeg.input_components := 3; + jpeg.in_color_space := JCS_RGB; + end; + end; - if (ID > 0) then begin - if GL_EXT_texture_filter_anisotropic then begin - if fAnisotropic > 0 then begin - Bind(False); + jpeg_set_defaults(@jpeg); + jpeg_set_quality(@jpeg, 95, true); + jpeg_start_compress(@jpeg, true); + pTemp := Data; - glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, @MaxAniso); + if InternalFormat = ifBGR8 then + GetMem(pTemp2, fRowSize) + else + pTemp2 := pTemp; - if Value > MaxAniso then - fAnisotropic := MaxAniso; + try + for Row := 0 to jpeg.image_height -1 do begin + // prepare row + if InternalFormat = ifBGR8 then + CopyRow(pTemp2, pTemp) + else + pTemp2 := pTemp; - glTexParameteri(Target, GL_TEXTURE_MAX_ANISOTROPY_EXT, fAnisotropic); + // write row + jpeg_write_scanlines(@jpeg, @pTemp2, 1); + inc(pTemp, fRowSize); end; - end else begin - fAnisotropic := 0; + finally + // free memory + if InternalFormat = ifBGR8 then + FreeMem(pTemp2); end; + jpeg_finish_compress(@jpeg); + jpeg_destroy_compress(@jpeg); + finally + quit_libJPEG; end; end; - -procedure TglBitmap.SetInternalFormat(const Value: TglBitmapInternalFormat); -begin - if InternalFormat <> Value then begin - if FormatGetSize(Value) <> FormatGetSize(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('SetInternalFormat - ' + UNSUPPORTED_INTERNAL_FORMAT); - - // Update whatever - SetDataPointer(Data, Value); - end; -end; - - -function TglBitmap.AddFunc(Func: TglBitmapFunction; CreateTemp: Boolean; - CustomData: Pointer): boolean; -begin - Result := AddFunc(Self, Func, CreateTemp, InternalFormat, CustomData); -end; - - -function TglBitmap.AddFunc(Source: TglBitmap; Func: TglBitmapFunction; - CreateTemp: Boolean; Format: TglBitmapInternalFormat; CustomData: Pointer): boolean; +{$ELSEIF DEFINED(GLB_DELPHI_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveJPEG(Stream: TStream); var - pDest, NewImage, pSource: pByte; - TempHeight, TempWidth: Integer; - MapFunc: TglBitmapMapFunc; - UnMapFunc: TglBitmapUnMapFunc; - - FuncRec: TglBitmapFunctionRec; + Bmp: TBitmap; + Jpg: TJPEGImage; begin - Assert(Assigned(Data)); - Assert(Assigned(Source)); - Assert(Assigned(Source.Data)); - - Result := False; - - if Assigned (Source.Data) and FormatIsUncompressed(Format) and - ((Source.Height > 0) or (Source.Width > 0)) then begin - - // inkompatible Formats so CreateTemp - if FormatGetSize(Format) <> FormatGetSize(InternalFormat) then - CreateTemp := True; - - // Values - TempHeight := Max(1, Source.Height); - TempWidth := Max(1, Source.Width); - - FuncRec.Sender := Self; - FuncRec.CustomData := CustomData; - - NewImage := nil; - - if CreateTemp then begin - GetMem(NewImage, Trunc(FormatGetSize(Format) * TempHeight * TempWidth)); - pDest := NewImage; - end - else pDest := Data; + if not (ftJPEG in FormatGetSupportedFiles (InternalFormat)) then + raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT); + Bmp := TBitmap.Create; + try + Jpg := TJPEGImage.Create; try - // Mapping - MapFunc := FormatGetMapFunc(Format); - FormatPreparePixel(FuncRec.Dest, Format); - FormatPreparePixel(FuncRec.Source, Source.InternalFormat); - - FuncRec.Size := Source.Dimension; - FuncRec.Position.Fields := FuncRec.Size.Fields; - - if FormatIsUncompressed(Source.InternalFormat) then begin - // Uncompressed Images - pSource := Source.Data; - UnMapFunc := FormatGetUnMapFunc(Source.InternalFormat); - - FuncRec.Position.Y := 0; - while FuncRec.Position.Y < TempHeight do begin - FuncRec.Position.X := 0; - while FuncRec.Position.X < TempWidth do begin - // Get Data - UnMapFunc(pSource, FuncRec.Source); - // Func - Func(FuncRec); - // Set Data - MapFunc(FuncRec.Dest, pDest); - Inc(FuncRec.Position.X); - end; - Inc(FuncRec.Position.Y); - end; - end else begin - // Compressed Images - FuncRec.Position.Y := 0; - while FuncRec.Position.Y < TempHeight do begin - FuncRec.Position.X := 0; - while FuncRec.Position.X < TempWidth do begin - // Get Data - fGetPixelFunc(FuncRec.Position, FuncRec.Source); - // Func - Func(FuncRec); - // Set Data - MapFunc(FuncRec.Dest, pDest); - Inc(FuncRec.Position.X); - end; - Inc(FuncRec.Position.Y); - end; + AssignToBitmap(Bmp); + if FInternalFormat in [ifAlpha, ifLuminance, ifDepth8] then begin + Jpg.Grayscale := true; + Jpg.PixelFormat := jf8Bit; end; - - // Updating Image or InternalFormat - if CreateTemp then - SetDataPointer(NewImage, Format) - else - - if Format <> InternalFormat then - SetInternalFormat(Format); - - Result := True; - except - if CreateTemp - then FreeMem(NewImage); - raise; + Jpg.Assign(Bmp); + Jpg.SaveToStream(Stream); + finally + FreeAndNil(Jpg); end; + finally + FreeAndNil(Bmp); end; end; +{$ENDIF} +{$ENDIF} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//BMP///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +const + BMP_MAGIC = $4D42; -procedure glBitmapConvertCopyFunc(var FuncRec: TglBitmapFunctionRec); -begin - with FuncRec do begin - if Source.PixelDesc.RedRange > 0 then - Dest.Red := Source.Red; - - if Source.PixelDesc.GreenRange > 0 then - Dest.Green := Source.Green; - - if Source.PixelDesc.BlueRange > 0 then - Dest.Blue := Source.Blue; + BMP_COMP_RGB = 0; + BMP_COMP_RLE8 = 1; + BMP_COMP_RLE4 = 2; + BMP_COMP_BITFIELDS = 3; - if Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Source.Alpha; +type + TBMPHeader = packed record + bfType: Word; + bfSize: Cardinal; + bfReserved1: Word; + bfReserved2: Word; + bfOffBits: Cardinal; end; -end; - -procedure glBitmapConvertCalculateRGBAFunc(var FuncRec: TglBitmapFunctionRec); -begin - with FuncRec do begin - if Source.PixelDesc.RedRange > 0 then - Dest.Red := Round(Dest.PixelDesc.RedRange * Source.Red / Source.PixelDesc.RedRange); + 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; - if Source.PixelDesc.GreenRange > 0 then - Dest.Green := Round(Dest.PixelDesc.GreenRange * Source.Green / Source.PixelDesc.GreenRange); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadBMP(const aStream: TStream): Boolean; - if Source.PixelDesc.BlueRange > 0 then - Dest.Blue := Round(Dest.PixelDesc.BlueRange * Source.Blue / Source.PixelDesc.BlueRange); + ////////////////////////////////////////////////////////////////////////////////////////////////// + function ReadInfo(var aInfo: TBMPInfo; var aMask: TglBitmapColorRec): TglBitmapFormat; + begin + result := tfEmpty; + aStream.Read(aInfo, SizeOf(aInfo)); + FillChar(aMask, SizeOf(aMask), 0); + + //Read Compression + case aInfo.biCompression of + BMP_COMP_RLE4, + BMP_COMP_RLE8: begin + raise EglBitmapException.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 EglBitmapException.Create('Bitfields are only supported for 16bit and 32bit formats'); + end; + end; - if Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Round(Dest.PixelDesc.AlphaRange * Source.Alpha / Source.PixelDesc.AlphaRange); + //get suitable format + case aInfo.biBitCount of + 8: result := tfLuminance8; + 16: result := tfBGR5; + 24: result := tfBGR8; + 32: result := tfBGRA8; + end; 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; -procedure glBitmapConvertShiftRGBAFunc(var FuncRec: TglBitmapFunctionRec); -begin - with FuncRec do - with TglBitmapPixelDesc(CustomData^) do begin - if Source.PixelDesc.RedRange > 0 then - Dest.Red := Source.Red shr RedShift; - - if Source.PixelDesc.GreenRange > 0 then - Dest.Green := Source.Green shr GreenShift; + result := TbmpColorTableFormat.Create; + result.PixelSize := aInfo.biBitCount / 8; + result.ColorTable := ColorTable; + result.Range := glBitmapColorRec($FF, $FF, $FF, $00); + end; - if Source.PixelDesc.BlueRange > 0 then - Dest.Blue := Source.Blue shr BlueShift; + ////////////////////////////////////////////////////////////////////////////////////////////////// + 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 Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Source.Alpha shr AlphaShift; + 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; - + end; -function TglBitmap.ConvertTo(NewFormat: TglBitmapInternalFormat): boolean; var - Source, Dest: TglBitmapPixelData; - PixelDesc: TglBitmapPixelDesc; + //simple types + StartPos: Int64; + ImageSize, rbLineSize, wbLineSize, Padding, i: Integer; + PaddingBuff: Cardinal; + LineBuf, ImageData, TmpData: PByte; + SourceMD, DestMD: Pointer; + BmpFormat: TglBitmapFormat; + ColorTable: TbmpColorTable; - function CopyDirect: Boolean; - begin - Result := - ((Source.PixelDesc.RedRange = Dest.PixelDesc.RedRange) or (Source.PixelDesc.RedRange = 0) or (Dest.PixelDesc.RedRange = 0)) and - ((Source.PixelDesc.GreenRange = Dest.PixelDesc.GreenRange) or (Source.PixelDesc.GreenRange = 0) or (Dest.PixelDesc.GreenRange = 0)) and - ((Source.PixelDesc.BlueRange = Dest.PixelDesc.BlueRange) or (Source.PixelDesc.BlueRange = 0) or (Dest.PixelDesc.BlueRange = 0)) and - ((Source.PixelDesc.AlphaRange = Dest.PixelDesc.AlphaRange) or (Source.PixelDesc.AlphaRange = 0) or (Dest.PixelDesc.AlphaRange = 0)); - end; + //records + Mask: TglBitmapColorRec; + Header: TBMPHeader; + Info: TBMPInfo; - function CanShift: Boolean; - begin - Result := - ((Source.PixelDesc.RedRange >= Dest.PixelDesc.RedRange ) or (Source.PixelDesc.RedRange = 0) or (Dest.PixelDesc.RedRange = 0)) and - ((Source.PixelDesc.GreenRange >= Dest.PixelDesc.GreenRange) or (Source.PixelDesc.GreenRange = 0) or (Dest.PixelDesc.GreenRange = 0)) and - ((Source.PixelDesc.BlueRange >= Dest.PixelDesc.BlueRange ) or (Source.PixelDesc.BlueRange = 0) or (Dest.PixelDesc.BlueRange = 0)) and - ((Source.PixelDesc.AlphaRange >= Dest.PixelDesc.AlphaRange) or (Source.PixelDesc.AlphaRange = 0) or (Dest.PixelDesc.AlphaRange = 0)); - end; + //classes + SpecialFormat: TFormatDescriptor; + FormatDesc: TFormatDescriptor; - function GetShift(Source, Dest: Cardinal) : ShortInt; + ////////////////////////////////////////////////////////////////////////////////////////////////// + procedure SpecialFormatReadLine(aData: PByte; aLineBuf: PByte); + var + i, j: Integer; + Pixel: TglBitmapPixelData; begin - Result := 0; - - while (Source > Dest) and (Source > 0) do begin - Inc(Result); - Source := Source shr 1; + aStream.Read(aLineBuf^, rbLineSize); + SpecialFormat.PreparePixel(Pixel); + for i := 0 to Info.biWidth-1 do begin + SpecialFormat.Unmap(aLineBuf, Pixel, SourceMD); + with FormatDesc do begin + //TODO: use convert function + for j := 0 to 3 do + if (SpecialFormat.Range.arr[j] <> Range.arr[j]) then begin + if (SpecialFormat.Range.arr[j] > 0) then + Pixel.Data.arr[j] := Round(Pixel.Data.arr[j] / SpecialFormat.Range.arr[j] * Range.arr[j]) + else + Pixel.Data.arr[j] := 0; + end; + end; + FormatDesc.Map(Pixel, aData, DestMD); end; end; begin - if NewFormat <> InternalFormat then begin - FormatPreparePixel(Source, InternalFormat); - FormatPreparePixel(Dest, NewFormat); + result := false; + BmpFormat := tfEmpty; + SpecialFormat := nil; + LineBuf := nil; + SourceMD := nil; + DestMD := nil; - if CopyDirect then - Result := AddFunc(Self, glBitmapConvertCopyFunc, False, NewFormat) - else - if CanShift then begin - PixelDesc.RedShift := GetShift(Source.PixelDesc.RedRange, Dest.PixelDesc.RedRange); - PixelDesc.GreenShift := GetShift(Source.PixelDesc.GreenRange, Dest.PixelDesc.GreenRange); - PixelDesc.BlueShift := GetShift(Source.PixelDesc.BlueRange, Dest.PixelDesc.BlueRange); - PixelDesc.AlphaShift := GetShift(Source.PixelDesc.AlphaRange, Dest.PixelDesc.AlphaRange); + // Header + StartPos := aStream.Position; + aStream.Read(Header, SizeOf(Header)); - Result := AddFunc(Self, glBitmapConvertShiftRGBAFunc, False, NewFormat, @PixelDesc); - end - else Result := AddFunc(Self, glBitmapConvertCalculateRGBAFunc, False, NewFormat); + 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, Padding); + end; + SetDataPointer(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight)); + result := true; + finally + if Assigned(LineBuf) then + FreeMem(LineBuf); + if Assigned(SourceMD) then + SpecialFormat.FreeMappingData(SourceMD); + FormatDesc.FreeMappingData(DestMD); + end; + except + FreeMem(ImageData); + raise; + end; + end else + raise EglBitmapException.Create('LoadBMP - No suitable format found'); + except + aStream.Position := StartPos; + raise; + end; + finally + FreeAndNil(SpecialFormat); + end; end - else Result := True; + else aStream.Position := StartPos; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveBMP(const aStream: TStream); +var + Header: TBMPHeader; + Info: TBMPInfo; + Converter: TbmpColorTableFormat; + FormatDesc: TFormatDescriptor; + SourceFD, DestFD: Pointer; + pData, srcData, dstData, ConvertBuffer: pByte; -function TglBitmap.RemoveAlpha: Boolean; -begin - Result := False; + Pixel: TglBitmapPixelData; + PixelFormat: TglBitmapPixelData; + ImageSize, wbLineSize, rbLineSize, Padding, LineIdx, PixelIdx, i: Integer; + RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; - if (Assigned(Data)) then begin - if not (FormatIsUncompressed(InternalFormat) or FormatHasAlpha(InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('RemoveAlpha - ' + UNSUPPORTED_INTERNAL_FORMAT); + PaddingBuff: Cardinal; - Result := ConvertTo(FormatGetWithoutAlpha(InternalFormat)); + function GetLineWidth : Integer; + begin + result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; end; -end; - -function TglBitmap.AddAlphaFromFunc(Func: TglBitmapFunction; CustomData: Pointer): boolean; begin - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('AddAlphaFromFunc - ' + UNSUPPORTED_INTERNAL_FORMAT); - - Result := AddFunc(Self, Func, False, FormatGetWithAlpha(InternalFormat), CustomData); -end; + if not (ftBMP in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormatFormat.Create('SaveBMP - ' + UNSUPPORTED_FORMAT); + Converter := nil; + FormatDesc := TFormatDescriptor.Get(Format); + ImageSize := FormatDesc.GetSize(Dimension); -function TglBitmap.GetHeight: Integer; -begin - if ffY in fDimension.Fields then - Result := fDimension.Y - else - Result := -1; -end; + FillChar(Header, 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, SizeOf(Info), 0); + Info.biSize := SizeOf(Info); + Info.biWidth := Width; + Info.biHeight := Height; + Info.biPlanes := 1; + Info.biCompression := BMP_COMP_RGB; + Info.biSizeImage := ImageSize; -function TglBitmap.GetWidth: Integer; -begin - if ffX in fDimension.Fields then - Result := fDimension.X - else - Result := -1; -end; + 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; + Converter.PixelSize := 0.5; + Converter.Format := Format; + Converter.Range := glBitmapColorRec($F, $F, $F, $0); + Converter.CreateColorTable; + 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; + Converter.PixelSize := 1; + Converter.Format := Format; + if (Format = tfR3G3B2) then begin + Converter.Range := glBitmapColorRec($7, $7, $3, $0); + Converter.Shift := glBitmapShiftRec(0, 3, 6, 0); + end else + Converter.Range := glBitmapColorRec($FF, $FF, $FF, $0); + Converter.CreateColorTable; + end; -function TglBitmap.GetFileHeight: Integer; -begin - Result := Max(1, Height); -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; + end; -function TglBitmap.GetFileWidth: Integer; -begin - Result := Max(1, Width); -end; + tfRGB10, tfRGB10A2, tfRGBA8, + tfBGR10, tfBGR10A2, tfBGRA8: begin + Info.biBitCount := 32; + Info.biCompression := BMP_COMP_BITFIELDS; + end; + else + raise EglBitmapUnsupportedFormatFormat.Create('SaveBMP - ' + UNSUPPORTED_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) then + aStream.Write(Converter.ColorTable[0].b, + SizeOf(TbmpColorTableEnty) * Length(Converter.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; -procedure glBitmapAlphaFunc(var FuncRec: TglBitmapFunctionRec); -var - Temp: Single; -begin - with FuncRec do begin - Temp := - Source.Red / Source.PixelDesc.RedRange * 0.3 + - Source.Green / Source.PixelDesc.GreenRange * 0.59 + - Source.Blue / Source.PixelDesc.BlueRange * 0.11; + // 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; - Dest.Alpha := Round (Dest.PixelDesc.AlphaRange * Temp); + 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); + with FormatDesc do begin + //TODO use convert function + for i := 0 to 3 do + if (Converter.Range.arr[i] <> Range.arr[i]) then begin + if (Range.arr[i] > 0) then + Pixel.Data.arr[i] := Round(Pixel.Data.arr[i] / Range.arr[i] * Converter.Range.arr[i]) + else + Pixel.Data.arr[i] := 0; + end; + end; + 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; -function TglBitmap.AddAlphaFromglBitmap(glBitmap: TglBitmap; Func: TglBitmapFunction; CustomData: Pointer): boolean; +const + TGA_UNCOMPRESSED_COLOR_TABLE = 1; + TGA_UNCOMPRESSED_RGB = 2; + TGA_UNCOMPRESSED_GRAY = 3; + TGA_COMPRESSED_COLOR_TABLE = 9; + TGA_COMPRESSED_RGB = 10; + TGA_COMPRESSED_GRAY = 11; + + TGA_NONE_COLOR_TABLE = 0; + TGA_COLOR_TABLE = 1; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadTGA(const aStream: TStream): Boolean; var - pDest, pDest2, pSource: pByte; - TempHeight, TempWidth: Integer; - MapFunc: TglBitmapMapFunc; - DestUnMapFunc, UnMapFunc: TglBitmapUnMapFunc; + Header: TTGAHeader; + ImageData: PByte; + StartPosition: Int64; + PixelSize, LineSize: Integer; + tgaFormat: TglBitmapFormat; + FormatDesc: TFormatDescriptor; + Counter: packed record + X, Y: packed record + low, high, dir: Integer; + end; + end; - FuncRec: TglBitmapFunctionRec; -begin - Result := False; +const + CACHE_SIZE = $4000; + + //////////////////////////////////////////////////////////////////////////////////////// + procedure ReadUncompressed; + var + i, j: Integer; + buf, tmp1, tmp2: PByte; + begin + buf := nil; + if (Counter.X.dir < 0) then + buf := GetMem(LineSize); + try + while (Counter.Y.low <> Counter.Y.high + counter.Y.dir) do begin + tmp1 := ImageData + (Counter.Y.low * LineSize); //pointer to LineStart + if (Counter.X.dir < 0) then begin //flip X + aStream.Read(buf^, LineSize); + tmp2 := buf + 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; - assert(Assigned(Data)); - assert(Assigned(glBitmap)); - assert(Assigned(glBitmap.Data)); + ///////////////////////////////////////////////////////////////// + var + TmpData: 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 + Counter.Y.low * LineSize; //set line + if (Counter.X.dir < 0) then //if x flipped then + TmpData := TmpData + LineSize - PixelSize; //set last pixel + end; + end; - if ((glBitmap.Width = Width) and (glBitmap.Height = Height)) then begin - // Convert to Data with Alpha - Result := ConvertTo(FormatGetWithAlpha(FormatGetUncompressed(InternalFormat))); + ///////////////////////////////////////////////////////////////// + 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, BytesRead); + inc(CachePos, BytesRead); + end; - if not Assigned(Func) then - Func := glBitmapAlphaFunc; + //load cache from file + CacheSize := Min(CACHE_SIZE, aStream.Size - aStream.Position); + aStream.Read(Cache^, CacheSize); + CachePos := 0; - // Values - TempHeight := glBitmap.FileHeight; - TempWidth := glBitmap.FileWidth; + //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; - FuncRec.Sender := Self; - FuncRec.CustomData := CustomData; + 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; - pDest := Data; - pDest2 := Data; - pSource := glBitmap.Data; + 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; - // Mapping - FormatPreparePixel(FuncRec.Dest, InternalFormat); - FormatPreparePixel(FuncRec.Source, glBitmap.InternalFormat); - MapFunc := FormatGetMapFunc(InternalFormat); - DestUnMapFunc := FormatGetUnMapFunc(InternalFormat); - UnMapFunc := FormatGetUnMapFunc(glBitmap.InternalFormat); + TotalPixelsToRead := Header.Width * Header.Height; + TotalPixelsRead := 0; + LinePixelsRead := 0; - FuncRec.Size := Dimension; - FuncRec.Position.Fields := FuncRec.Size.Fields; + GetMem(Cache, CACHE_SIZE); + try + TmpData := ImageData + Counter.Y.low * LineSize; //set line + if (Counter.X.dir < 0) then //if x flipped then + TmpData := TmpData + LineSize - PixelSize; //set last pixel - FuncRec.Position.Y := 0; - while FuncRec.Position.Y < TempHeight do begin - FuncRec.Position.X := 0; - while FuncRec.Position.X < TempWidth do begin - // Get Data - UnMapFunc(pSource, FuncRec.Source); - DestUnMapFunc(pDest2, FuncRec.Dest); - // Func - Func(FuncRec); - // Set Data - MapFunc(FuncRec.Dest, pDest); - Inc(FuncRec.Position.X); - end; - Inc(FuncRec.Position.Y); + 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; -end; + function IsGrayFormat: Boolean; + begin + result := Header.ImageType in [TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_GRAY]; + end; -procedure TglBitmap.SetBorderColor(Red, Green, Blue, Alpha: Single); begin - fBorderColor[0] := Red; - fBorderColor[1] := Green; - fBorderColor[2] := Blue; - fBorderColor[3] := Alpha; + result := false; - if ID > 0 then begin - Bind (False); + // reading header to test file and set cursor back to begin + StartPosition := aStream.Position; + aStream.Read(Header, SizeOf(Header)); - glTexParameterfv(Target, GL_TEXTURE_BORDER_COLOR, @fBorderColor[0]); - end; -end; + // 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; + case Header.Bpp of + 8: if IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfLuminance8; + 8: tgaFormat := tfAlpha8; + end; -{ TglBitmap2D } + 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; -procedure TglBitmap2D.SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width, Height: Integer); -var - Idx, LineWidth: Integer; -begin - inherited; + 24: if not IsGrayFormat then case (Header.ImageDesc and $F) of + 0: tgaFormat := tfBGR8; + end; - // Format - if FormatIsUncompressed(Format) then begin - fUnmapFunc := FormatGetUnMapFunc(Format); - fGetPixelFunc := GetPixel2DUnmap; + 32: if not IsGrayFormat then case (Header.ImageDesc and $F) of + 2: tgaFormat := tfBGR10A2; + 8: tgaFormat := tfBGRA8; + end; + end; - fMapFunc := FormatGetMapFunc(Format); - fSetPixelFunc := SetPixel2DUnmap; + if (tgaFormat = tfEmpty) then + raise EglBitmapException.Create('LoadTga - unsupported format'); - // Assigning Data - if Assigned(Data) then begin - SetLength(fLines, GetHeight); + FormatDesc := TFormatDescriptor.Get(tgaFormat); + PixelSize := FormatDesc.GetSize(1, 1); + LineSize := FormatDesc.GetSize(Header.Width, 1); - LineWidth := Trunc(GetWidth * FormatGetSize(InternalFormat)); + 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; - 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); + // 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; - fSetPixelFunc := nil; + // Read Image + case Header.ImageType of + TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY: + ReadUncompressed; + TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY: + ReadCompressed; + end; - case Format of - ifDXT1: - fGetPixelFunc := GetPixel2DDXT1; - ifDXT3: - fGetPixelFunc := GetPixel2DDXT3; - ifDXT5: - fGetPixelFunc := GetPixel2DDXT5; - else - fGetPixelFunc := nil; + SetDataPointer(ImageData, tgaFormat, Header.Width, Header.Height); + result := true; + except + FreeMem(ImageData); + raise; + end; + finally + aStream.Position := StartPosition; end; - end; + end + else aStream.Position := StartPosition; end; - -procedure TglBitmap2D.GetDXTColorBlock(pData: pByte; relX, relY: Integer; var Pixel: TglBitmapPixelData); -type - PDXT1Chunk = ^TDXT1Chunk; - TDXT1Chunk = packed record - Color1: WORD; - Color2: WORD; - Pixels: array [0..3] of byte; - end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveTGA(const aStream: TStream); var - BasePtr: pDXT1Chunk; - PixPos: Integer; - Colors: array [0..3] of TRGBQuad; + Header: TTGAHeader; + LineSize, Size, x, y: Integer; + Pixel: TglBitmapPixelData; + LineBuf, SourceData, DestData: PByte; + SourceMD, DestMD: Pointer; + FormatDesc: TFormatDescriptor; + Converter: TFormatDescriptor; begin - BasePtr := pDXT1Chunk(pData); + if not (ftTGA in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormatFormat.Create('SaveTGA - ' + UNSUPPORTED_FORMAT); - PixPos := BasePtr^.Pixels[relY] shr (relX * 2) and $3; - - if PixPos in [0, 2, 3] then begin - Colors[0].rgbRed := BasePtr^.Color1 and $F800 shr 8; - Colors[0].rgbGreen := BasePtr^.Color1 and $07E0 shr 3; - Colors[0].rgbBlue := BasePtr^.Color1 and $001F shl 3; - Colors[0].rgbReserved := 255; - end; + //prepare header + FillChar(Header, SizeOf(Header), 0); - if PixPos in [1, 2, 3] then begin - Colors[1].rgbRed := BasePtr^.Color2 and $F800 shr 8; - Colors[1].rgbGreen := BasePtr^.Color2 and $07E0 shr 3; - Colors[1].rgbBlue := BasePtr^.Color2 and $001F shl 3; - Colors[1].rgbReserved := 255; - end; + //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; - if PixPos = 2 then begin - Colors[2].rgbRed := (Colors[0].rgbRed * 67 + Colors[1].rgbRed * 33) div 100; - Colors[2].rgbGreen := (Colors[0].rgbGreen * 67 + Colors[1].rgbGreen * 33) div 100; - Colors[2].rgbBlue := (Colors[0].rgbBlue * 67 + Colors[1].rgbBlue * 33) div 100; - Colors[2].rgbReserved := 255; + //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; - if PixPos = 3 then begin - Colors[3].rgbRed := (Colors[0].rgbRed * 33 + Colors[1].rgbRed * 67) div 100; - Colors[3].rgbGreen := (Colors[0].rgbGreen * 33 + Colors[1].rgbGreen * 67) div 100; - Colors[3].rgbBlue := (Colors[0].rgbBlue * 33 + Colors[1].rgbBlue * 67) div 100; - if BasePtr^.Color1 > BasePtr^.Color2 then - Colors[3].rgbReserved := 255 - else - Colors[3].rgbReserved := 0; - end; + Header.Width := Width; + Header.Height := Height; + Header.ImageDesc := Header.ImageDesc or $20; //flip y + aStream.Write(Header, SizeOf(Header)); - Pixel.Red := Colors[PixPos].rgbRed; - Pixel.Green := Colors[PixPos].rgbGreen; - Pixel.Blue := Colors[PixPos].rgbBlue; - Pixel.Alpha := Colors[PixPos].rgbReserved; + // 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 EglBitmapException.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 EglBitmapException.Create('invalid inverted RGB format'); + end; + + if Assigned(Converter) then begin + LineSize := FormatDesc.GetSize(Width, 1); + LineBuf := GetMem(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 = $20534444; -procedure TglBitmap2D.GetPixel2DDXT1(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); -var - BasePtr: pByte; - PosX, PosY: Integer; -begin - inherited; + // DDS_header.dwFlags + DDSD_CAPS = $00000001; + DDSD_HEIGHT = $00000002; + DDSD_WIDTH = $00000004; + DDSD_PITCH = $00000008; + DDSD_PIXELFORMAT = $00001000; + DDSD_MIPMAPCOUNT = $00020000; + DDSD_LINEARSIZE = $00080000; + DDSD_DEPTH = $00800000; - if (Pos.Y <= Height) and (Pos.X <= Width) then begin - PosX := Pos.X div 4; - PosY := Pos.Y div 4; + // DDS_header.sPixelFormat.dwFlags + DDPF_ALPHAPIXELS = $00000001; + DDPF_FOURCC = $00000004; + DDPF_INDEXED = $00000020; + DDPF_RGB = $00000040; - BasePtr := Data; - Inc(BasePtr, (PosY * Width div 4 + PosX) * 8); + // DDS_header.sCaps.dwCaps1 + DDSCAPS_COMPLEX = $00000008; + DDSCAPS_TEXTURE = $00001000; + DDSCAPS_MIPMAP = $00400000; - GetDXTColorBlock(BasePtr, Pos.X - PosX * 4, Pos.Y - PosY * 4, Pixel); - end; -end; + // DDS_header.sCaps.dwCaps2 + DDSCAPS2_CUBEMAP = $00000200; + DDSCAPS2_CUBEMAP_POSITIVEX = $00000400; + DDSCAPS2_CUBEMAP_NEGATIVEX = $00000800; + DDSCAPS2_CUBEMAP_POSITIVEY = $00001000; + DDSCAPS2_CUBEMAP_NEGATIVEY = $00002000; + DDSCAPS2_CUBEMAP_POSITIVEZ = $00004000; + DDSCAPS2_CUBEMAP_NEGATIVEZ = $00008000; + DDSCAPS2_VOLUME = $00200000; + D3DFMT_DXT1 = $31545844; + D3DFMT_DXT3 = $33545844; + D3DFMT_DXT5 = $35545844; -procedure TglBitmap2D.GetPixel2DDXT3(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); type - PDXT3AlphaChunk = ^TDXT3AlphaChunk; - TDXT3AlphaChunk = array [0..3] of WORD; - -var - ColorPtr: pByte; - AlphaPtr: PDXT3AlphaChunk; - PosX, PosY, relX, relY: Integer; -begin - inherited; - - if (Pos.Y <= Height) and (Pos.X <= Width) then begin - PosX := Pos.X div 4; - PosY := Pos.Y div 4; - relX := Pos.X - PosX * 4; - relY := Pos.Y - PosY * 4; - - // get color value - AlphaPtr := PDXT3AlphaChunk(Data); - Inc(AlphaPtr, (PosY * Width div 4 + PosX) * 2); - - ColorPtr := pByte(AlphaPtr); - Inc(ColorPtr, 8); - - GetDXTColorBlock(ColorPtr, relX, relY, Pixel); + TDDSPixelFormat = packed record + dwSize: Cardinal; + dwFlags: Cardinal; + dwFourCC: Cardinal; + dwRGBBitCount: Cardinal; + dwRBitMask: Cardinal; + dwGBitMask: Cardinal; + dwBBitMask: Cardinal; + dwABitMask: Cardinal; + end; - // extracting alpha - Pixel.Alpha := AlphaPtr^[relY] shr (4 * relX) and $0F shl 4; + TDDSCaps = packed record + dwCaps1: Cardinal; + dwCaps2: Cardinal; + dwDDSX: Cardinal; + dwReserved: Cardinal; end; -end; + TDDSHeader = packed record + dwMagic: Cardinal; + 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; -procedure TglBitmap2D.GetPixel2DDXT5(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadDDS(const aStream: TStream): Boolean; var - ColorPtr: pByte; - AlphaPtr: PInt64; - PixPos, PosX, PosY, relX, relY: Integer; - Alpha0, Alpha1: Byte; -begin - inherited; + Header: TDDSHeader; + StreamPos: Int64; + Y, LineSize: Cardinal; + RowSize: Cardinal; + NewImage, pData: pByte; + ddsFormat: TglBitmapFormat; - if (Pos.Y <= Height) and (Pos.X <= Width) then begin - PosX := Pos.X div 4; - PosY := Pos.Y div 4; - relX := Pos.X - PosX * 4; - relY := Pos.Y - PosY * 4; + function RaiseEx : Exception; + begin + result := EglBitmapException.Create('LoadDDS - unsupported Pixelformat found.'); + end; - // get color value - AlphaPtr := PInt64(Data); - Inc(AlphaPtr, (PosY * Width div 4 + PosX) * 2); + function GetDDSFormat: TglBitmapFormat; + begin + with Header.PixelFormat do begin + // Compresses + if (dwFlags and DDPF_FOURCC) > 0 then begin + (* TODO + case Header.PixelFormat.dwFourCC of + D3DFMT_DXT1: result := ifDXT1; + D3DFMT_DXT3: result := ifDXT3; + D3DFMT_DXT5: result := ifDXT5; + else + raise RaiseEx; + end; + *) + raise RaiseEx; + end else - ColorPtr := pByte(AlphaPtr); - Inc(ColorPtr, 8); + // RGB + if (dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS)) > 0 then begin + case dwRGBBitCount of + 8: begin + (* TODO if dwFlags and DDPF_ALPHAPIXELS > 0 then + result := tfAlpha + else + *) + result := tfLuminance8; + end; + 16: begin + if dwFlags and DDPF_ALPHAPIXELS > 0 then begin + // Alpha + case CountSetBits(dwRBitMask) of + 5: result := tfRGB5A1; + //TODO 4: result := tfRGBA4; + else + result := tfLuminance8Alpha8; + end; + end else begin + // no Alpha + //TODO result := ifR5G6B5; + raise RaiseEx; + end; + end; + 24: begin + if dwRBitMask > dwBBitMask then + result := tfBGR8 + else + result := tfRGB8; + end; + 32: begin + if CountSetBits(dwRBitMask) = 10 then + //TODO result := tfRGB10A2 + raise RaiseEx + else + + if dwRBitMask > dwBBitMask then + result := tfBGRA8 + else + result := tfRGBA8; + end; + else + raise RaiseEx; + end; + end else + raise RaiseEx; + end; + end; - GetDXTColorBlock(ColorPtr, relX, relY, Pixel); +begin + result := false; - // extracting alpha - Alpha0 := AlphaPtr^ and $FF; - Alpha1 := AlphaPtr^ shr 8 and $FF; + // Header + StreamPos := aStream.Position; + aStream.Read(Header, sizeof(Header)); - PixPos := AlphaPtr^ shr (16 + (relY * 4 + relX) * 3) and $07; + if ((Header.dwMagic <> DDS_MAGIC) or (Header.dwSize <> 124) or + ((Header.dwFlags and DDSD_PIXELFORMAT) = 0) or ((Header.dwFlags and DDSD_CAPS) = 0)) then begin + aStream.Position := StreamPos; + exit; + end; - // use alpha 0 - if PixPos = 0 then begin - Pixel.Alpha := Alpha0; - end else + ddsFormat := GetDDSFormat; + LineSize := Trunc(Header.dwWidth * TFormatDescriptor.Get(ddsFormat).PixelSize); + GetMem(NewImage, Header.dwHeight * LineSize); + try + pData := NewImage; - // use alpha 1 - if PixPos = 1 then begin - Pixel.Alpha := Alpha1; + // 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(pData^, RowSize); + Inc(pData, LineSize); + end; end else - // alpha interpolate 7 Steps - if Alpha0 > Alpha1 then begin - Pixel.Alpha := ((8 - PixPos) * Alpha0 + (PixPos - 1) * Alpha1) div 7; - end else + // RGB(A) + if (Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS)) > 0 then begin + RowSize := Header.dwPitchOrLinearSize; - // alpha is 100% transparent or not transparent - if PixPos >= 6 then begin - if PixPos = 6 then - Pixel.Alpha := 0 - else - Pixel.Alpha := 255; + for Y := 0 to Header.dwHeight -1 do begin + aStream.Read(pData^, RowSize); + Inc(pData, LineSize); + end; end else + raise RaiseEx; - // alpha interpolate 5 Steps - begin - Pixel.Alpha := ((6 - PixPos) * Alpha0 + (PixPos - 1) * Alpha1) div 5; - end; - end; -end; - - -procedure TglBitmap2D.GetPixel2DUnmap(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); -var - pTemp: pByte; -begin - pTemp := fLines[Pos.Y]; - Inc(pTemp, Pos.X * fPixelSize); - - fUnmapFunc(pTemp, Pixel); -end; - + SetDataPointer(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); + result := true; + except + FreeMem(NewImage); + raise; + end; +end; -procedure TglBitmap2D.SetPixel2DUnmap(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveDDS(const aStream: TStream); var - pTemp: pByte; + Header: TDDSHeader; + Pix: TglBitmapPixelData; + FormatDesc: TFormatDescriptor; begin - pTemp := fLines[Pos.Y]; - Inc(pTemp, Pos.X * fPixelSize); + //if not FormatIsUncompressed(InternalFormat) then + // raise EglBitmapUnsupportedFormatFormat.Create('SaveDDS - ' + UNSUPPORTED_FORMAT); - fMapFunc(Pixel, pTemp); -end; + (* TODO if Format = tfAlpha8 then + FORMAT_DESCRIPTORS[tfLuminance8].PreparePixel(Pix); + else *) + TFormatDescriptor.Get(Format).PreparePixel(Pix); + // Generell + FillChar(Header, SizeOf(Header), 0); + Header.dwMagic := DDS_MAGIC; + Header.dwSize := 124; + Header.dwFlags := DDSD_PITCH or DDSD_CAPS or DDSD_PIXELFORMAT; -function TglBitmap2D.FlipHorz: Boolean; -var - Col, Row: Integer; - pTempDest, pDest, pSource: pByte; - ImgSize: Integer; -begin - Result := Inherited FlipHorz; + if Width > 0 then begin + Header.dwWidth := Width; + Header.dwFlags := Header.dwFlags or DDSD_WIDTH; + end; - if Assigned(Data) then begin - pSource := Data; - ImgSize := Height * fRowSize; + if Height > 0 then begin + Header.dwHeight := Height; + Header.dwFlags := Header.dwFlags or DDSD_HEIGHT; + end; - GetMem(pDest, ImgSize); - try - pTempDest := pDest; + Header.dwPitchOrLinearSize := fRowSize; + Header.dwMipMapCount := 1; - Dec(pTempDest, fRowSize + fPixelSize); - for Row := 0 to Height -1 do begin - Inc(pTempDest, fRowSize * 2); - for Col := 0 to Width -1 do begin - Move(pSource^, pTempDest^, fPixelSize); + // Caps + Header.Caps.dwCaps1 := DDSCAPS_TEXTURE; - Inc(pSource, fPixelSize); - Dec(pTempDest, fPixelSize); - end; - end; + // Pixelformat + Header.PixelFormat.dwSize := Sizeof(Header.PixelFormat); + Header.PixelFormat.dwFlags := DDPF_RGB; - SetDataPointer(pDest, InternalFormat); + (* TODO tfAlpha8 + if FORMAT_DESCRIPTORS[Format].HasAlpha and (Format <> tfAlpha8) then + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS; + *) - Result := True; - except - FreeMem(pDest); - raise; - end; - end; + FormatDesc := TFormatDescriptor.Get(Format); + Header.PixelFormat.dwRGBBitCount := Trunc(FormatDesc.PixelSize * 8); + Header.PixelFormat.dwRBitMask := FormatDesc.RedMask; + Header.PixelFormat.dwGBitMask := FormatDesc.GreenMask; + Header.PixelFormat.dwBBitMask := FormatDesc.BlueMask; + Header.PixelFormat.dwABitMask := FormatDesc.AlphaMask; + + aStream.Write(Header, SizeOf(Header)); + aStream.Write(Data^, FormatDesc.GetSize(Dimension)); 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; -function TglBitmap2D.FlipVert: Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer; const aHeight: Integer); var - Row: Integer; - pTempDest, pDest, pSource: pByte; + Idx, LineWidth: Integer; begin - Result := Inherited FlipVert; - - if Assigned(Data) then begin - pSource := Data; - GetMem(pDest, Height * fRowSize); - try - pTempDest := pDest; + inherited SetDataPointer(aData, aFormat, aWidth, aHeight); - Inc(pTempDest, Width * (Height -1) * fPixelSize); - - for Row := 0 to Height -1 do begin - Move(pSource^, pTempDest^, fRowSize); + //TODO compression + if {FormatIsUncompressed(Format)} true then begin + (* TODO PixelFuncs + fGetPixelFunc := GetPixel2DUnmap; + fSetPixelFunc := SetPixel2DUnmap; + *) + // Assigning Data + if Assigned(Data) then begin + SetLength(fLines, GetHeight); + LineWidth := Trunc(GetWidth * TFormatDescriptor.Get(Format).PixelSize); - Dec(pTempDest, fRowSize); - Inc(pSource, fRowSize); + 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); - SetDataPointer(pDest, InternalFormat); + fSetPixelFunc := nil; - Result := True; - except - FreeMem(pDest); - raise; + case Format of + ifDXT1: + fGetPixelFunc := GetPixel2DDXT1; + ifDXT3: + fGetPixelFunc := GetPixel2DDXT3; + ifDXT5: + fGetPixelFunc := GetPixel2DDXT5; + else + fGetPixelFunc := nil; end; + *) end; end; - -procedure TglBitmap2D.UploadData (Target, Format, InternalFormat, Typ: Cardinal; BuildWithGlu: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.UploadData(const aTarget: Cardinal; const aBuildWithGlu: Boolean); +var + FormatDesc: TFormatDescriptor; begin glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - // Upload data + (* TODO compression if Self.InternalFormat in [ifDXT1, ifDXT3, ifDXT5] then glCompressedTexImage2D(Target, 0, InternalFormat, Width, Height, 0, Trunc(Width * Height * FormatGetSize(Self.InternalFormat)), Data) else + *) - if BuildWithGlu then - gluBuild2DMipmaps(Target, InternalFormat, Width, Height, Format, Typ, Data) + FormatDesc := TFormatDescriptor.Get(Format); + if aBuildWithGlu then + gluBuild2DMipmaps(aTarget, FormatDesc.Components, Width, Height, + FormatDesc.glFormat, FormatDesc.glDataFormat, Data) else - glTexImage2D(Target, 0, InternalFormat, Width, Height, 0, Format, Typ, Data); + glTexImage2D(aTarget, 0, FormatDesc.glInternalFormat, Width, Height, 0, + FormatDesc.glFormat, FormatDesc.glDataFormat, Data); // 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 + (* TODO compression + if not FormatIsUncompressed(Format) then + raise EglBitmapUnsupportedFormatFormat.Create('TglBitmap2D.GrabScreen - ' + UNSUPPORTED_FORMAT); + *) + + w := aRight - aLeft; + h := aBottom - aTop; + FormatDesc := TFormatDescriptor.Get(Format); + 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, Format, w, h); + FlipVert; + except + FreeMem(Temp); + raise; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.GetDataFromTexture; +var + Temp: PByte; + TempWidth, TempHeight: Integer; + TempType, TempIntFormat: Cardinal; + IntFormat, f: 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; + for f := Low(TglBitmapFormat) to High(TglBitmapFormat) do + if (TFormatDescriptor.Get(f).glInternalFormat = TempIntFormat) then begin + IntFormat := FormatDesc.Format; + break; + end; + + // Getting data from OpenGL + FormatDesc := TFormatDescriptor.Get(IntFormat); + GetMem(Temp, FormatDesc.GetSize(TempWidth, TempHeight)); + try + (* TODO Compression + if FormatIsCompressed(IntFormat) and (GL_VERSION_1_3 or GL_ARB_texture_compression) then + glGetCompressedTexImage(Target, 0, Temp) + else + *) + glGetTexImage(Target, 0, FormatDesc.glInternalFormat, FormatDesc.glDataFormat, Temp); + SetDataPointer(Temp, IntFormat, TempWidth, TempHeight); + except + FreeMem(Temp); + raise; + end; +end; -procedure TglBitmap2D.GenTexture(TestTextureSize: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.GenTexture(const aTestTextureSize: Boolean); var BuildWithGlu, PotTex, TexRec: Boolean; - glFormat, glInternalFormat, glType: Cardinal; TexSize: Integer; begin if Assigned(Data) then begin // Check Texture Size - if (TestTextureSize) then begin + if (aTestTextureSize) then begin glGetIntegerv(GL_MAX_TEXTURE_SIZE, @TexSize); if ((Height > TexSize) or (Width > TexSize)) then raise EglBitmapSizeToLargeException.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_ARB); + 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_ARB); if not (PotTex or GL_ARB_texture_non_power_of_two or GL_VERSION_2_0 or TexRec) then raise EglBitmapNonPowerOfTwoException.Create('TglBitmap2D.GenTexture - Rendercontex dosn''t support non power of two texture.'); end; CreateId; - SetupParameters(BuildWithGlu); - SelectFormat(InternalFormat, glFormat, glInternalFormat, glType); - - UploadData(Target, glFormat, glInternalFormat, glType, BuildWithGlu); - - // Infos sammeln - glAreTexturesResident(1, @ID, @fIsResident); + UploadData(Target, BuildWithGlu); + glAreTexturesResident(1, @fID, @fIsResident); end; end; - -procedure TglBitmap2D.AfterConstruction; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap2D.FlipHorz: Boolean; +var + Col, Row: Integer; + TempDestData, DestData, SourceData: PByte; + ImgSize: Integer; begin - inherited; - - Target := GL_TEXTURE_2D; + 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); + result := true; + except + 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); + result := true; + except + FreeMem(DestData); + raise; + end; + end; +end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap2D - ToNormalMap/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// type TMatrixItem = record X, Y: Integer; @@ -6125,26 +7384,30 @@ type end; const - oneover255 = 1 / 255; + ONE_OVER_255 = 1 / 255; -procedure glBitmapToNormalMapPrepareFunc (var FuncRec: TglBitmapFunctionRec); + ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapPrepareFunc(var FuncRec: TglBitmapFunctionRec); var Val: Single; begin with FuncRec do begin - Val := Source.Red * 0.3 + Source.Green * 0.59 + Source.Blue * 0.11; - PglBitmapToNormalMapRec (CustomData)^.Heights[Position.Y * Size.X + Position.X] := Val * oneover255; + 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); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapToNormalMapPrepareAlphaFunc(var FuncRec: TglBitmapFunctionRec); begin with FuncRec do - PglBitmapToNormalMapRec (CustomData)^.Heights[Position.Y * Size.X + Position.X] := Source.Alpha * oneover255; + 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; @@ -6159,14 +7422,13 @@ var with FuncRec do begin X := Max(0, Min(Size.X -1, X)); Y := Max(0, Min(Size.Y -1, Y)); - - Result := PglBitmapToNormalMapRec (CustomData)^.Heights[Y * Size.X + X]; + result := PglBitmapToNormalMapRec(Args)^.Heights[Y * Size.X + X]; end; end; begin with FuncRec do begin - with PglBitmapToNormalMapRec (CustomData)^ 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; @@ -6189,14 +7451,14 @@ begin end; // Farbe zuweisem - Dest.Red := Trunc((Vec[0] + 1) * 127.5); - Dest.Green := Trunc((Vec[1] + 1) * 127.5); - Dest.Blue := Trunc((Vec[2] + 1) * 127.5); + 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(Func: TglBitmapNormalMapFunc; Scale: Single; UseAlpha: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap2D.ToNormalMap(const aFunc: TglBitmapNormalMapFunc; const aScale: Single; const aUseAlpha: Boolean); var Rec: TglBitmapToNormalMapRec; @@ -6210,253 +7472,134 @@ var end; begin + (* TODO Compression if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('TglBitmap2D.ToNormalMap - ' + UNSUPPORTED_INTERNAL_FORMAT); + raise EglBitmapUnsupportedFormatFormat.Create('TglBitmap2D.ToNormalMap - ' + UNSUPPORTED_FORMAT); + *) - if Scale > 100 then + if aScale > 100 then Rec.Scale := 100 - else - if Scale < -100 then + else if aScale < -100 then Rec.Scale := -100 else - Rec.Scale := Scale; + Rec.Scale := aScale; SetLength(Rec.Heights, Width * Height); try - case Func 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; + 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 UseAlpha and FormatHasAlpha(InternalFormat) then - AddFunc(glBitmapToNormalMapPrepareAlphaFunc, False, @Rec) + if aUseAlpha and TFormatDescriptor.Get(Format).HasAlpha then + AddFunc(glBitmapToNormalMapPrepareAlphaFunc, false, PtrInt(@Rec)) else - AddFunc(glBitmapToNormalMapPrepareFunc, False, @Rec); - - // Neues Bild berechnen - AddFunc(glBitmapToNormalMapFunc, False, @Rec); + AddFunc(glBitmapToNormalMapPrepareFunc, false, PtrInt(@Rec)); + AddFunc(glBitmapToNormalMapFunc, false, PtrInt(@Rec)); finally SetLength(Rec.Heights, 0); end; end; -procedure TglBitmap2D.GrabScreen(Top, Left, Right, Bottom: Integer; Format: TglBitmapInternalFormat); -var - Temp: pByte; - Size: Integer; - glFormat, glInternalFormat, glType: Cardinal; -begin - if not FormatIsUncompressed(Format) then - raise EglBitmapUnsupportedInternalFormat.Create('TglBitmap2D.GrabScreen - ' + UNSUPPORTED_INTERNAL_FORMAT); - - // Only to select Formats - SelectFormat(Format, glFormat, glInternalFormat, glType, False); - - Size := FormatGetImageSize(glBitmapPosition(Right - Left, Bottom - Top), Format); - GetMem(Temp, Size); - try - glPixelStorei(GL_PACK_ALIGNMENT, 1); - glReadPixels(Left, Top, Right - Left, Bottom - Top, glFormat, glType, Temp); - - // Set Data - SetDataPointer(Temp, Format, Right - Left, Bottom - Top); - - // Flip - FlipVert; - except - FreeMem(Temp); - raise; - end; -end; - - -procedure TglBitmap2D.GetDataFromTexture; -var - Temp: pByte; - TempWidth, TempHeight, RedSize, GreenSize, BlueSize, AlphaSize, LumSize: Integer; - TempType, TempIntFormat: Cardinal; - IntFormat: TglBitmapInternalFormat; -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); - - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_RED_SIZE, @RedSize); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_GREEN_SIZE, @GreenSize); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_BLUE_SIZE, @BlueSize); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_ALPHA_SIZE, @AlphaSize); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_LUMINANCE_SIZE, @LumSize); - - // Get glBitmapInternalFormat from TempIntFormat - TempType := GL_UNSIGNED_BYTE; - case TempIntFormat of - GL_ALPHA: - IntFormat := ifAlpha; - GL_LUMINANCE: - IntFormat := ifLuminance; - GL_LUMINANCE_ALPHA: - IntFormat := ifLuminanceAlpha; - GL_RGB4: - begin - IntFormat := ifR5G6B5; - TempIntFormat := GL_RGB; - TempType := GL_UNSIGNED_SHORT_5_6_5; - end; - GL_RGB, GL_RGB8: - IntFormat := ifRGB8; - GL_RGBA, GL_RGBA4, GL_RGBA8: - begin - if (RedSize = 4) and (BlueSize = 4) and (GreenSize = 4) and (AlphaSize = 4) then begin - IntFormat := ifRGBA4; - TempIntFormat := GL_BGRA; - TempType := GL_UNSIGNED_SHORT_4_4_4_4_REV; - end else - if (RedSize = 5) and (BlueSize = 5) and (GreenSize = 5) and (AlphaSize = 1) then begin - IntFormat := ifRGB5A1; - TempIntFormat := GL_BGRA; - TempType := GL_UNSIGNED_SHORT_1_5_5_5_REV; - end else begin - IntFormat := ifRGBA8; - end; - end; - GL_BGR: - IntFormat := ifBGR8; - GL_BGRA: - IntFormat := ifBGRA8; - GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - IntFormat := ifDXT1; - GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - IntFormat := ifDXT1; - GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - IntFormat := ifDXT3; - GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - IntFormat := ifDXT5; - else - IntFormat := ifEmpty; - end; - // Getting data from OpenGL - GetMem(Temp, FormatGetImageSize(glBitmapPosition(TempWidth, TempHeight), IntFormat)); - try - if FormatIsCompressed(IntFormat) and (GL_VERSION_1_3 or GL_ARB_texture_compression) then - glGetCompressedTexImage(Target, 0, Temp) - else - glGetTexImage(Target, 0, TempIntFormat, TempType, Temp); - SetDataPointer(Temp, IntFormat, TempWidth, TempHeight); - except - FreeMem(Temp); - raise; - end; -end; -function TglBitmap2D.GetScanline(Index: Integer): Pointer; -begin - if (Index >= Low(fLines)) and (Index <= High(fLines)) then - Result := fLines[Index] - else - Result := nil; -end; -{ TglBitmap1D } +(* procedure TglBitmap1D.SetDataPointer(Data: pByte; Format: TglBitmapInternalFormat; Width, Height: Integer); var pTemp: pByte; @@ -6499,7 +7642,7 @@ var Col: Integer; pTempDest, pDest, pSource: pByte; begin - Result := Inherited FlipHorz; + result := inherited FlipHorz; if Assigned(Data) and FormatIsUncompressed(InternalFormat) then begin pSource := Data; @@ -6518,7 +7661,7 @@ begin SetDataPointer(pDest, InternalFormat); - Result := True; + result := true; finally FreeMem(pDest); end; @@ -6574,7 +7717,7 @@ begin UploadData(Target, glFormat, glInternalFormat, glType, BuildWithGlu); // Infos sammeln - glAreTexturesResident(1, @ID, @fIsResident); + glAreTexturesResident(1, @fID, @fIsResident); end; end; @@ -6648,7 +7791,7 @@ end; procedure TglBitmapCubeMap.GenTexture(TestTextureSize: Boolean); begin - Assert(False, 'TglBitmapCubeMap.GenTexture - Don''t call GenTextures directly.'); + Assert(false, 'TglBitmapCubeMap.GenTexture - Don''t call GenTextures directly.'); end; @@ -6773,7 +7916,7 @@ var begin Rec.HalfSize := Size div 2; - FreeDataAfterGenTexture := False; + FreeDataAfterGenTexture := false; SizeRec.Fields := [ffX, ffY]; SizeRec.X := Size; @@ -6809,17 +7952,21 @@ begin LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec); GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, TestTextureSize); end; - - +*) initialization - glBitmapSetDefaultFormat(tfDefault); + glBitmapSetDefaultFormat(tfEmpty); + glBitmapSetDefaultMipmap(mmMipmap); glBitmapSetDefaultFilter(GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR); - glBitmapSetDefaultWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); + glBitmapSetDefaultWrap (GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); - glBitmapSetDefaultFreeDataAfterGenTexture(True); - glBitmapSetDefaultDeleteTextureOnFree(True); + glBitmapSetDefaultFreeDataAfterGenTexture(true); + glBitmapSetDefaultDeleteTextureOnFree (true); + + TFormatDescriptor.Init; finalization + TFormatDescriptor.Finalize; end. +