From 2fabea9741641e2b321e923d5d4724f8aa4b97ee Mon Sep 17 00:00:00 2001 From: Bergmann89 Date: Mon, 28 Oct 2013 19:37:43 +0100 Subject: [PATCH] * refactoring nearly completed; now testing --- glBitmap.pas | 6207 ++++++++++++++++++++++++++++------------------------------ 1 file changed, 3032 insertions(+), 3175 deletions(-) diff --git a/glBitmap.pas b/glBitmap.pas index 04f4a9f..12e84af 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 @@ -600,6 +600,7 @@ type AlphaRange: Cardinal; AlphaShift: Shortint; end; + PglBitmapPixelDesc = ^TglBitmapPixelDesc; //////////////////////////////////////////////////////////////////////////////////////////////////// TglBitmapPixelData = packed record @@ -628,12 +629,12 @@ 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); @@ -659,51 +660,63 @@ type TglBitmapFormat = ( tfEmpty = 0, - { TODO - tfAlpha4, - tfAlpha8, - tfAlpha12, - tfAlpha16, + //TODO + //tfAlpha4, + //tfAlpha8, + //tfAlpha12, + //tfAlpha16, - tfLuminance4, } + //tfLuminance4, tfLuminance8, -{ tfLuminance12, - tfLuminance16, - - tfuminance4Alpha4, - tfLuminance6Alpha2,} + //tfLuminance12, + //tfLuminance16, + // + //tfuminance4Alpha4, + //tfLuminance6Alpha2, tfLuminance8Alpha8, -{ tfLuminance12Alpha4, - tfLuminance12Alpha12, - tfLuminance16Alpha16, + //tfLuminance12Alpha4, + //tfLuminance12Alpha12, + //tfLuminance16Alpha16, - tfR3G3B2, - tfRGB4, - tfRGB5, } + //tfR3G3B2, + //tfRGB4, + tfRGB5, tfRGB8, -{ tfRGB10, - tfRGB12, - tfRGB16, + //tfRGB10, + //tfRGB12, + //tfRGB16, - tfRGBA2, - tfRGBA4, - tfRGB5A1, } + //tfRGBA2, + //tfRGBA4, + tfRGB5A1, tfRGBA8, -{ tfRGB10A2, - tfRGBA12, - tfRGBA16, - } + //tfRGB10A2, + //tfRGBA12, + //tfRGBA16, + + //tfBGR4, + //tfBGR5, tfBGR8, - tfBGRA8, - { - tfDepth16, - tfDepth24, - tfDepth32 } + //tfBGR10, + //tfBGR12, + //tfBGR16, + + //tfBGRA2, + //tfBGRA4, + //tfBGR5A1, + tfBGRA8 + //tfBGR10A2, + //tfBGRA12, + //tfBGRA16, + + //tfDepth16, + //tfDepth24, + //tfDepth32 ); //////////////////////////////////////////////////////////////////////////////////////////////////// - TglBitmapGetPixel = procedure(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData) of object; - TglBitmapSetPixel = procedure(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData) of object; + TglBitmapGetPixel = procedure(const aPos: TglBitmapPixelPosition; var aPixel: TglBitmapPixelData) of object; + TglBitmapSetPixel = procedure(const aPos: TglBitmapPixelPosition; const aPixel: TglBitmapPixelData) of object; TglBitmapMapFunc = procedure(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); TglBitmapUnMapFunc = procedure(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); @@ -716,13 +729,17 @@ type class function GetPixelDesc: TglBitmapPixelDesc; virtual; abstract; class function GetFormatDesc: TglBitmapFormatDesc; virtual; abstract; - class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); virtual; abstract; - class procedure Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); virtual; abstract; + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); virtual; abstract; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); virtual; abstract; //virtual class function WithoutAlpha: TglBitmapFormat; virtual; class function WithAlpha: TglBitmapFormat; virtual; + class function GetSize: Single; virtual; overload; + class function GetSize(const aSize: TglBitmapPixelPosition): Integer; virtual; overload; + class function GetColorCompCount: Integer; virtual; + class function IsEmpty: Boolean; virtual; class function HasAlpha: Boolean; virtual; class function MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: UInt64): Boolean; virtual; @@ -739,11 +756,11 @@ type end; TglBitmapFormatDescClass = class of TglBitmapFormatDescriptor; - // Base Class +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// TglBitmap = class protected - fID: Cardinal; - fTarget: Cardinal; + fID: GLuint; + fTarget: GLuint; fAnisotropic: Integer; fDeleteTextureOnFree: Boolean; fFreeDataAfterGenTexture: Boolean; @@ -758,8 +775,8 @@ type // Mapping fPixelSize: Integer; fRowSize: Integer; - fUnmapFunc: TglBitmapUnMapFunc; - fMapFunc: TglBitmapMapFunc; + //TODO delete? fUnmapFunc: TglBitmapUnMapFunc; + //TODO delete? fMapFunc: TglBitmapMapFunc; // Filtering fFilterMin: Cardinal; @@ -770,8 +787,8 @@ type fWrapT: Cardinal; fWrapR: Cardinal; - fGetPixelFunc: TglBitmapGetPixel; - fSetPixelFunc: TglBitmapSetPixel; + //TODO delete? fGetPixelFunc: TglBitmapGetPixel; + //TODO delete? fSetPixelFunc: TglBitmapSetPixel; // CustomData fFilename: String; @@ -780,8 +797,11 @@ type fCustomData: Pointer; //Getter - function GetHeight: Integer; virtual; function GetWidth: Integer; virtual; + function GetHeight: Integer; virtual; + + function GetFileWidth: Integer; virtual; + function GetFileHeight: Integer; virtual; //Setter procedure SetCustomData(const aValue: Pointer); @@ -795,41 +815,22 @@ type procedure SetTarget(const aValue: Cardinal); procedure SetAnisotropic(const aValue: Integer); - //Load - {$IFDEF GLB_SUPPORT_PNG_READ} - function LoadPNG(Stream: TStream): Boolean; virtual; - {$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; - - //Save - {$IFDEF GLB_SUPPORT_PNG_WRITE} - procedure SavePNG(Stream: TStream); virtual; - {$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; - procedure CreateID; procedure SetupParameters(var aBuildWithGlu: Boolean); - procedure SelectFormat(const aFormat: TglBitmapFormat; var glFormat, glInternalFormat, glType: Cardinal); - - procedure SetDataPointer(NewData: pByte; Format: TglBitmapFormat; Width: Integer = -1; Height: Integer = -1); virtual; - procedure GenTexture(TestTextureSize: Boolean = True); virtual; abstract; + 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; property Width: Integer read GetWidth; property Height: Integer read GetHeight; + + property FileWidth: Integer read GetFileWidth; + property FileHeight: Integer read GetFileHeight; public + //Properties property ID: Cardinal read fID write SetID; property Target: Cardinal read fTarget write SetTarget; property Format: TglBitmapFormat read fFormat write SetFormat; @@ -844,29 +845,33 @@ type property DeleteTextureOnFree: Boolean read fDeleteTextureOnFree write SetDeleteTextureOnFree; property FreeDataAfterGenTexture: Boolean read fFreeDataAfterGenTexture write SetFreeDataAfterGenTexture; - property Dimension: TglBitmapPixelPosition read fDimension; - property Data: PByte read fData; - property IsResident: Boolean read fIsResident; + property Dimension: TglBitmapPixelPosition read fDimension; + property Data: PByte read fData; + property IsResident: Boolean read fIsResident; procedure AfterConstruction; override; procedure BeforeDestruction; override; - //Loading - procedure LoadFromFile(const aFileName: String); + //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); {$IFDEF GLB_DELPHI} - procedure LoadFromResource(const aInstance: Cardinal; aResource: String; const aResType: PChar = nil); - procedure LoadFromResourceID(const sInstance: Cardinal; aResourceID: Integer; const aResType: PChar); + procedure LoadFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil); + procedure LoadFromResourceID(const sInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); {$ENDIF} + //Save procedure SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType); procedure SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); virtual; - //function AddFunc(const aSource: TglBitmap; const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; Format: TglBitmapFormat; CustomData: Pointer = nil): boolean; overload; - //function AddFunc(const aFunc: TglBitmapFunction; CreateTemp: Boolean; CustomData: Pointer = nil): boolean; overload; -(* TODO + //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 {$IFDEF GLB_SDL} function AssignToSurface(out aSurface: PSDL_Surface): Boolean; function AssignFromSurface(const aSurface: PSDL_Surface): Boolean; @@ -881,19 +886,17 @@ type function AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; function AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; - {$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; const aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; - {$IFDEF GLB_DELPHI} function AddAlphaFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil; const aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; function AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; const aFunc: TglBitmapFunction = nil; const aArgs: PtrInt = 0): Boolean; {$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; @@ -903,71 +906,96 @@ type function AddAlphaFromValueFloat(const aAlpha: Single): Boolean; function RemoveAlpha: Boolean; virtual; + public + //Common function Clone: TglBitmap; - function ConvertTo(const aFormat: TglBitmapFormat; const aInternalFormat: TglBitmapFormat): Boolean; virtual; - procedure SetBorderColor(Red, Green, Blue, Alpha: Single); - procedure Invert(const aUseRGB: Boolean = true; aUseAlpha: Boolean = false); + 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; - procedure FillWithColor(const aRed, aGreen, aBlue: aByte; Alpha: Byte = 255); + //ColorFill + procedure FillWithColor(const aRed, aGreen, aBlue: Byte; const aAlpha: Byte = 255); procedure FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal = $FFFFFFFF); procedure FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha : Single = 1); -*) + + //TexParameters procedure SetFilter(const aMin, aMag: Cardinal); procedure SetWrap( const S: Cardinal = GL_CLAMP_TO_EDGE; const T: Cardinal = GL_CLAMP_TO_EDGE; const R: Cardinal = GL_CLAMP_TO_EDGE); - procedure GetPixel(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); virtual; - procedure SetPixel(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); virtual; + procedure GetPixel(const aPos: TglBitmapPixelPosition; var aPixel: TglBitmapPixelData); virtual; + procedure SetPixel(const aPos: TglBitmapPixelPosition; const aPixel: TglBitmapPixelData); virtual; - procedure Unbind(DisableTextureUnit: Boolean = True); virtual; - procedure Bind(EnableTextureUnit: Boolean = True); virtual; + procedure Bind(const aEnableTextureUnit: Boolean = true); virtual; + procedure Unbind(const aDisableTextureUnit: Boolean = true); virtual; + //Constructors constructor Create; overload; - constructor Create(FileName: String); overload; - constructor Create(Stream: TStream); overload; + constructor Create(const aFileName: String); overload; + constructor Create(const aStream: TStream); overload; + constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat); overload; + constructor Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; const aFunc: TglBitmapFunction; const aArgs: PtrInt = 0); overload; {$IFDEF GLB_DELPHI} - constructor 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; + 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; {$ENDIF} - constructor Create(Size: TglBitmapPixelPosition; Format: TglBitmapFormat); overload; - constructor Create(Size: TglBitmapPixelPosition; Format: TglBitmapFormat; Func: TglBitmapFunction; CustomData: Pointer = nil); overload; - end; + private + {$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); - function GetScanline(Index: Integer): Pointer; - procedure SetPixel2DUnmap(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); + *) - procedure SetDataPointer(Data: pByte; Format: TglBitmapFormat; 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 property Width; property Height; - property Scanline[Index: Integer]: Pointer read GetScanline; + property Scanline[const aIndex: Integer]: Pointer read GetScanline; procedure AfterConstruction; override; procedure GrabScreen(const aTop, aLeft, aRight, aBottom: Integer; const aFormat: TglBitmapFormat); procedure GetDataFromTexture; - procedure ToNormalMap(const aFunc: TglBitmapNormalMapFunc = nm3x3; const aScale: Single = 2; const aUseAlpha: Boolean = False); - procedure GenTexture(TestTextureSize: Boolean = True); override; + procedure GenTexture(const aTestTextureSize: Boolean = true); override; function FlipHorz: Boolean; override; function FlipVert: Boolean; override; + + procedure ToNormalMap(const aFunc: TglBitmapNormalMapFunc = nm3x3; + const aScale: Single = 2; const aUseAlpha: Boolean = false); end; (* TODO @@ -976,14 +1004,14 @@ type 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; @@ -1011,7 +1039,7 @@ type function FlipHorz: Boolean; override; // Generation - procedure GenTexture(TestTextureSize: Boolean = True); override; + procedure GenTexture(TestTextureSize: Boolean = true); override; end; *) @@ -1037,9 +1065,6 @@ procedure glBitmapGetDefaultTextureWrap(var S, T, R: Cardinal); function glBitmapPosition(X: Integer = -1; Y: Integer = -1): TglBitmapPixelPosition; -// Formatfunctions -function FormatGetSize(const aFormat: TglBitmapFormat): Single; - var glBitmapDefaultDeleteTextureOnFree: Boolean; glBitmapDefaultFreeDataAfterGenTextures: Boolean; @@ -1062,14 +1087,69 @@ uses type ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TBitfieldFormat = class(TObject) + private + fRedShift: ShortInt; + fGreenShift: ShortInt; + fBlueShift: ShortInt; + fAlphaShift: ShortInt; + + fRedRange: Cardinal; + fGreenRange: Cardinal; + fBlueRange: Cardinal; + fAlphaRange: Cardinal; + + fRedMask: UInt64; + fGreenMask: UInt64; + fBlueMask: UInt64; + fAlphaMask: UInt64; + function GetSize: Integer; + procedure SetAlphaMask(aValue: UInt64); + procedure SetAlphaRange(aValue: Cardinal); + procedure SetAlphaShift(aValue: ShortInt); + procedure SetBlueMask(aValue: UInt64); + procedure SetBlueRange(aValue: Cardinal); + procedure SetBlueShift(aValue: ShortInt); + procedure SetGreenMask(aValue: UInt64); + procedure SetGreenRange(aValue: Cardinal); + procedure SetGreenShift(aValue: ShortInt); + procedure SetRedMask(aValue: UInt64); + procedure SetRedRange(aValue: Cardinal); + procedure SetRedShift(aValue: ShortInt); + + procedure CalcShiftAndRange(aMask: UInt64; out aRange: Cardinal; out aShift: ShortInt); + public + property RedShift: ShortInt read fRedShift write SetRedShift; + property GreenShift: ShortInt read fGreenShift write SetGreenShift; + property BlueShift: ShortInt read fBlueShift write SetBlueShift; + property AlphaShift: ShortInt read fAlphaShift write SetAlphaShift; + + property RedRange: Cardinal read fRedRange write SetRedRange; + property GreenRange: Cardinal read fGreenRange write SetGreenRange; + property BlueRange: Cardinal read fBlueRange write SetBlueRange; + property AlphaRange: Cardinal read fAlphaRange write SetAlphaRange; + + property RedMask: UInt64 read fRedMask write SetRedMask; + property GreenMask: UInt64 read fGreenMask write SetGreenMask; + property BlueMask: UInt64 read fBlueMask write SetBlueMask; + property AlphaMask: UInt64 read fAlphaMask write SetAlphaMask; + + property Size: Integer read GetSize; + + procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); + procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); overload; + procedure Unmap(const aData: UInt64; var aPixel: TglBitmapPixelData); overload; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// TfdEmpty = class(TglBitmapFormatDescriptor) public class function GetFormat: TglBitmapFormat; override; class function GetPixelDesc: TglBitmapPixelDesc; override; class function GetFormatDesc: TglBitmapFormatDesc; override; - class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); override; - class procedure Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); override; + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -1080,8 +1160,8 @@ type class function GetFormatDesc: TglBitmapFormatDesc; override; class function WithAlpha: TglBitmapFormat; override; - class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); override; - class procedure Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); override; + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -1092,11 +1172,23 @@ type class function GetFormatDesc: TglBitmapFormatDesc; override; class function WithoutAlpha: TglBitmapFormat; override; - class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); override; - class procedure Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); override; + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdRGB5 = class(TglBitmapFormatDescriptor) + public + class function GetFormat: TglBitmapFormat; override; + class function GetPixelDesc: TglBitmapPixelDesc; override; + class function GetFormatDesc: TglBitmapFormatDesc; override; + class function WithAlpha: TglBitmapFormat; override; + + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// TfdRGB8 = class(TglBitmapFormatDescriptor) public class function GetFormat: TglBitmapFormat; override; @@ -1104,8 +1196,20 @@ type class function GetFormatDesc: TglBitmapFormatDesc; override; class function WithAlpha: TglBitmapFormat; override; - class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); override; - class procedure Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); override; + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; + end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + TfdRGB5A1 = class(TglBitmapFormatDescriptor) + public + class function GetFormat: TglBitmapFormat; override; + class function GetPixelDesc: TglBitmapPixelDesc; override; + class function GetFormatDesc: TglBitmapFormatDesc; override; + class function WithoutAlpha: TglBitmapFormat; override; + + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -1116,8 +1220,8 @@ type class function GetFormatDesc: TglBitmapFormatDesc; override; class function WithoutAlpha: TglBitmapFormat; override; - class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); override; - class procedure Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); override; + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -1128,8 +1232,8 @@ type class function GetFormatDesc: TglBitmapFormatDesc; override; class function WithAlpha: TglBitmapFormat; override; - class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); override; - class procedure Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); override; + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -1140,46 +1244,59 @@ type class function GetFormatDesc: TglBitmapFormatDesc; override; class function WithoutAlpha: TglBitmapFormat; override; - class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); override; - class procedure Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); override; + class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override; + class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override; end; const LUMINANCE_WEIGHT_R = 0.30; LUMINANCE_WEIGHT_G = 0.59; LUMINANCE_WEIGHT_B = 0.11; - UNSUPPORTED_INTERNAL_FORMAT = 'the given format isn''t supported by this function.'; + + ALPHA_WEIGHT_R = 0.30; + ALPHA_WEIGHT_G = 0.59; + ALPHA_WEIGHT_B = 0.11; + + UNSUPPORTED_FORMAT = 'the given format isn''t supported by this function.'; + + FORMAT_DESCRIPTORS: array[TglBitmapFormat] of TglBitmapFormatDescClass = ( + TfdEmpty, + + TfdLuminance8, + TfdLuminance8Alpha8, + + TfdRGB5, + TfdRGB8, + + TfdRGB5A1, + TfdRGBA8, + + TfdBGR8, + TfdBGRA8 + ); + {$REGION Private Helper} ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// function glBitmapPosition(X, Y: Integer): TglBitmapPixelPosition; begin - Result.Fields := []; + result.Fields := []; if X >= 0 then - Result.Fields := Result.Fields + [ffX]; + result.Fields := result.Fields + [ffX]; if Y >= 0 then - Result.Fields := Result.Fields + [ffY]; + result.Fields := result.Fields + [ffY]; - Result.X := Max(0, X); - Result.Y := Max(0, Y); -end; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function FormatGetImageSize(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat): Integer; -begin - if (aSize.X = 0) and (aSize.Y = 0) then - Result := 0 - else - Result := Ceil(Max(aSize.Y, 1) * Max(aSize.X, 1) * FormatGetSize(aFormat)); + result.X := Max(0, X); + result.Y := Max(0, Y); end; ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// function FormatGetSupportedFiles(const aFormat: TglBitmapFormat): TglBitmapFileTypes; begin - //TODO check Formats! - result := []; - + //TODO Supported File Formats! + result := [ftDDS, ftTGA, ftBMP]; + (* {$IFDEF GLB_SUPPORT_PNG_WRITE} if aFormat in [ tfAlpha4, tfAlpha8, tfAlpha12, tfAlpha16, @@ -1211,6 +1328,7 @@ begin tfDepth16, tfDepth24, tfDepth32] then result := result + [ftDDS, ftTGA, ftBMP]; + *) end; ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -1222,7 +1340,17 @@ begin end; ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function GetBitSize(aBitSet: Cardinal): Integer; +function GetTopMostBit(aBitSet: UInt64): Integer; +begin + result := 0; + while aBitSet > 0 do begin + inc(result); + aBitSet := aBitSet shr 1; + end; +end; + +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function CountSetBits(aBitSet: UInt64): Integer; begin result := 0; while aBitSet > 0 do begin @@ -1233,6 +1361,8 @@ begin end; {$ENDREGION} +//TODO check _ARB functions and constants + (* GLB_NO_NATIVE_GL {$IFNDEF GLB_NO_NATIVE_GL} procedure ReadOpenGLExtensions; @@ -1281,19 +1411,19 @@ var ExtPos: Integer; begin ExtPos := Pos(Extension, Buffer); - Result := ExtPos > 0; + result := ExtPos > 0; - if Result then - Result := ((ExtPos + Length(Extension) - 1) = Length(Buffer)) or not (Buffer[ExtPos + Length(Extension)] in ['_', 'A'..'Z', 'a'..'z']); + if result then + result := ((ExtPos + Length(Extension) - 1) = Length(Buffer)) or not (Buffer[ExtPos + Length(Extension)] in ['_', 'A'..'Z', 'a'..'z']); end; function glLoad (aFunc: pAnsiChar): pointer; begin {$IFDEF LINUX} - Result := glXGetProcAddress(aFunc); + result := glXGetProcAddress(aFunc); {$else} - Result := wglGetProcAddress(aFunc); + result := wglGetProcAddress(aFunc); {$ENDIF} end; @@ -1310,29 +1440,29 @@ begin 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; + GL_VERSION_1_2 := false; + GL_VERSION_1_3 := false; + GL_VERSION_1_4 := false; + GL_VERSION_2_0 := false; if MajorVersion = 1 then begin if MinorVersion >= 1 then begin if MinorVersion >= 2 then - GL_VERSION_1_2 := True; + GL_VERSION_1_2 := true; if MinorVersion >= 3 then - GL_VERSION_1_3 := True; + GL_VERSION_1_3 := true; if MinorVersion >= 4 then - GL_VERSION_1_4 := True; + 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; + GL_VERSION_1_2 := true; + GL_VERSION_1_3 := true; + GL_VERSION_1_4 := true; + GL_VERSION_2_0 := true; end; // Extensions @@ -1403,7 +1533,7 @@ begin {$R+} {$ENDIF} - Result := CreatePalette(Pal^); + result := CreatePalette(Pal^); FreeMem(Pal); end; @@ -1414,36 +1544,36 @@ end; {$IFDEF GLB_SDL_IMAGE} function glBitmapRWseek(context: PSDL_RWops; offset: Integer; whence: Integer): Integer; cdecl; begin - Result := TStream(context^.unknown.data1).Seek(offset, whence); + result := TStream(context^.unknown.data1).Seek(offset, whence); end; function glBitmapRWread(context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer): Integer; cdecl; begin - Result := TStream(context^.unknown.data1).Read(Ptr^, size * maxnum); + result := TStream(context^.unknown.data1).Read(Ptr^, size * maxnum); end; function glBitmapRWwrite(context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer): Integer; cdecl; begin - Result := TStream(context^.unknown.data1).Write(Ptr^, size * num); + result := TStream(context^.unknown.data1).Write(Ptr^, size * num); end; function glBitmapRWclose(context: PSDL_RWops): Integer; cdecl; begin - Result := 0; + result := 0; end; function glBitmapCreateRWops(Stream: TStream): PSDL_RWops; begin - Result := SDL_AllocRW; + result := SDL_AllocRW; - if Result = nil then + if result = nil then raise EglBitmapException.Create('glBitmapCreateRWops - SDL_AllocRW failed.'); - Result^.seek := glBitmapRWseek; - Result^.read := glBitmapRWread; - Result^.write := glBitmapRWwrite; - Result^.close := glBitmapRWclose; - Result^.unknown.data1 := Stream; + result^.seek := glBitmapRWseek; + result^.read := glBitmapRWread; + result^.write := glBitmapRWwrite; + result^.close := glBitmapRWclose; + result^.unknown.data1 := Stream; end; {$ENDIF} *) @@ -1453,7 +1583,7 @@ function LoadTexture(Filename: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; var glBitmap: TglBitmap2D; begin - Result := false; + result := false; Texture := 0; {$IFDEF GLB_DELPHI} @@ -1467,12 +1597,12 @@ begin 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; @@ -1492,7 +1622,7 @@ begin CM := TglBitmapCubeMap.Create; try - CM.DeleteTextureOnFree := False; + CM.DeleteTextureOnFree := false; // Maps {$IFDEF GLB_DELPHI} @@ -1544,7 +1674,7 @@ begin CM.GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z); Texture := CM.ID; - Result := True; + result := true; finally CM.Free; end; @@ -1558,11 +1688,11 @@ begin NM := TglBitmapNormalMap.Create; try - NM.DeleteTextureOnFree := False; + NM.DeleteTextureOnFree := false; NM.GenerateNormalMap(Size); Texture := NM.ID; - Result := True; + result := true; finally NM.Free; end; @@ -1649,6 +1779,188 @@ begin end; {$ENDREGION} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TCustomFormat/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetAlphaMask(aValue: UInt64); +begin + if fAlphaMask = aValue then Exit; + fAlphaMask := aValue; + CalcShiftAndRange(fAlphaMask, fAlphaRange, fAlphaShift); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TBitfieldFormat.GetSize: Integer; +var + tmp: UInt64; +begin + tmp := + (fRedRange shl fRedShift) or + (fGreenRange shl fGreenShift) or + (fBlueRange shl fBlueShift) or + (fAlphaRange shl fAlphaShift); + result := Trunc(GetTopMostBit(tmp) / 8); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetAlphaRange(aValue: Cardinal); +begin + if fAlphaRange = aValue then Exit; + fAlphaRange := aValue; + fAlphaMask := fAlphaRange shl fAlphaShift; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetAlphaShift(aValue: ShortInt); +begin + if fAlphaShift = aValue then Exit; + fAlphaShift := aValue; + fAlphaMask := fAlphaRange shl fAlphaShift; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetBlueMask(aValue: UInt64); +begin + if fBlueMask = aValue then Exit; + fBlueMask := aValue; + CalcShiftAndRange(fBlueMask, fBlueRange, fBlueShift); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetBlueRange(aValue: Cardinal); +begin + if fBlueRange = aValue then Exit; + fBlueRange := aValue; + fBlueMask := fBlueRange shl fBlueShift; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetBlueShift(aValue: ShortInt); +begin + if fBlueShift = aValue then Exit; + fBlueShift := aValue; + fBlueMask := fBlueRange shl fBlueShift; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetGreenMask(aValue: UInt64); +begin + if fGreenMask = aValue then Exit; + fGreenMask := aValue; + CalcShiftAndRange(fGreenMask, fGreenRange, fGreenShift); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetGreenRange(aValue: Cardinal); +begin + if fGreenRange = aValue then Exit; + fGreenRange := aValue; + fGreenMask := fGreenRange shl fGreenShift; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetGreenShift(aValue: ShortInt); +begin + if fGreenShift = aValue then Exit; + fGreenShift := aValue; + fGreenMask := fGreenRange shl fGreenShift; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetRedMask(aValue: UInt64); +begin + if fRedMask = aValue then Exit; + fRedMask := aValue; + CalcShiftAndRange(fRedMask, fRedRange, fRedShift); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetRedRange(aValue: Cardinal); +begin + if fRedRange = aValue then Exit; + fRedRange := aValue; + fRedMask := fRedRange shl fRedShift; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.SetRedShift(aValue: ShortInt); +begin + if fRedShift = aValue then Exit; + fRedShift := aValue; + fRedMask := fRedRange shl fRedShift; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.CalcShiftAndRange(aMask: UInt64; out aRange: Cardinal; + out aShift: ShortInt); +begin + aShift := 0; + aRange := 0; + if (aMask = 0) then + exit; + while (aMask > 0) and ((aMask and 1) = 0) do begin + inc(aShift); + aMask := aMask shr 1; + end; + aRange := 1; + while (aMask > 0) do begin + aRange := aRange shl 1; + aMask := aMask shr 1; + end; + dec(aRange); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte); +var + data: UInt64; + s: Integer; +type + PUInt64 = ^UInt64; +begin + data := + ((aPixel.Red and fRedRange) shl fRedShift) or + ((aPixel.Green and fGreenRange) shl fGreenShift) or + ((aPixel.Blue and fBlueRange) shl fBlueShift) or + ((aPixel.Alpha and fAlphaRange) shl fAlphaShift); + s := Size; + case s of + 1: aData^ := data; + 2: PWord(aData)^ := data; + 4: PCardinal(aData)^ := data; + 8: PUInt64(aData)^ := data; + end; + inc(aData, s); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); +var + data: UInt64; + s: Integer; +type + PUInt64 = ^UInt64; +begin + s := Size; + case s of + 1: data := aData^; + 2: data := PWord(aData)^; + 4: data := PCardinal(aData)^; + 8: data := PUInt64(aData)^; + end; + Unmap(data, aPixel); + inc(aData, s); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TBitfieldFormat.Unmap(const aData: UInt64; var aPixel: TglBitmapPixelData); +begin + aPixel.Red := (aData shr fRedShift) and fRedRange; + aPixel.Green := (aData shr fGreenShift) and fGreenRange; + aPixel.Blue := (aData shr fBlueShift) and fBlueRange; + aPixel.Alpha := (aData shr fAlphaShift) and fAlphaRange; +end; + {$REGION TglBitmapFormatDescriptor} ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// //TglBitmapFormatDescriptor/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -1671,6 +1983,50 @@ begin end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TglBitmapFormatDescriptor.GetSize: Single; +var + tmp: UInt64; +begin + with GetPixelDesc do begin + tmp := + (RedRange shl RedShift) or + (GreenRange shl GreenShift) or + (BlueRange shl BlueShift) or + (AlphaRange shl AlphaShift); + end; + result := Trunc(GetTopMostBit(tmp) / 4) / 2; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TglBitmapFormatDescriptor.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 := Ceil(w * h * GetSize); + end else + result := 0; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TglBitmapFormatDescriptor.GetColorCompCount: Integer; +begin + result := 0; + with GetPixelDesc do begin + if (RedRange > 0) then + inc(result); + if (GreenRange > 0) then + inc(result); + if (BlueRange > 0) then + inc(result); + if (AlphaRange > 0) then + inc(result); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// class function TglBitmapFormatDescriptor.IsEmpty: Boolean; begin result := (GetFormat = tfEmpty); @@ -1687,7 +2043,7 @@ class function TglBitmapFormatDescriptor.MaskMatch(const aRedMask, aGreenMask, a var PixelDesc: TglBitmapPixelDesc; begin - result := False; + result := false; if (aRedMask = 0) and (aGreenMask = 0) and (aBlueMask = 0) and (aAlphaMask = 0) then raise EglBitmapException.Create('FormatCheckFormat - All Masks are 0'); @@ -1703,14 +2059,15 @@ begin if (aAlphaMask <> 0) and (aAlphaMask <> (AlphaRange shl AlphaShift)) then exit; end; - result := True; + result := true; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// class procedure TglBitmapFormatDescriptor.PreparePixel(var aPixel: TglBitmapPixelData); begin FillChar(aPixel, SizeOf(aPixel), 0); - with GetPixelDesc do begin + aPixel.PixelDesc := GetPixelDesc; + with aPixel.PixelDesc do begin aPixel.Red := RedRange; aPixel.Green := GreenRange; aPixel.Blue := BlueRange; @@ -1747,12 +2104,12 @@ begin end; end; -class procedure TfdEmpty.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); +class procedure TfdEmpty.Map(const aPixel: TglBitmapPixelData; var aData: PByte ); begin raise EglBitmapException.Create('format does not support mapping'); end; -class procedure TfdEmpty.Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); +class procedure TfdEmpty.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); begin raise EglBitmapException.Create('format does not support unmapping'); end; @@ -1791,7 +2148,7 @@ begin result := tfLuminance8Alpha8; end; -class procedure TfdLuminance8.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); +class procedure TfdLuminance8.Map(const aPixel: TglBitmapPixelData; var aData: PByte); begin aData^ := Trunc( aPixel.Red * LUMINANCE_WEIGHT_R + @@ -1800,7 +2157,7 @@ begin inc(aData); end; -class procedure TfdLuminance8.Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); +class procedure TfdLuminance8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); begin aPixel.Red := aData^; aPixel.Green := aData^; @@ -1843,7 +2200,7 @@ begin result := tfLuminance8; end; -class procedure TfdLuminance8Alpha8.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); +class procedure TfdLuminance8Alpha8.Map(const aPixel: TglBitmapPixelData; var aData: PByte); begin aData^ := Trunc( aPixel.Red * LUMINANCE_WEIGHT_R + @@ -1855,7 +2212,7 @@ begin inc(aData); end; -class procedure TfdLuminance8Alpha8.Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); +class procedure TfdLuminance8Alpha8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); begin aPixel.Red := aData^; aPixel.Green := aData^; @@ -1867,6 +2224,56 @@ begin end; {$ENDREGION} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGB5///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TfdRGB5.GetFormat: TglBitmapFormat; +begin + result := tfRGB5; +end; + +class function TfdRGB5.GetPixelDesc: TglBitmapPixelDesc; +begin + with result do begin + RedRange := $0000001F; RedShift := 0; + GreenRange := $0000001F; GreenShift := 5; + BlueRange := $0000001F; BlueShift := 10; + AlphaRange := $00000000; AlphaShift := 0; + end; +end; + +class function TfdRGB5.GetFormatDesc: TglBitmapFormatDesc; +begin + with result do begin + Format := GL_RGB; + InternalFormat := GL_RGB5; + DataType := GL_UNSIGNED_SHORT_5_5_5_1; + end; +end; + +class function TfdRGB5.WithAlpha: TglBitmapFormat; +begin + result := tfRGB5A1; +end; + +class procedure TfdRGB5.Map(const aPixel: TglBitmapPixelData; var aData: PByte); +begin + PWord(aData)^ := + ((aPixel.Red and aPixel.PixelDesc.RedRange) shl aPixel.PixelDesc.RedShift) or + ((aPixel.Green and aPixel.PixelDesc.GreenRange) shl aPixel.PixelDesc.GreenShift) or + ((aPixel.Blue and aPixel.PixelDesc.BlueRange) shl aPixel.PixelDesc.BlueShift); + inc(aData, 2); +end; + +class procedure TfdRGB5.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); +begin + aPixel.Red := (PWord(aData)^ shr aPixel.PixelDesc.RedShift) and aPixel.PixelDesc.RedRange; + aPixel.Green := (PWord(aData)^ shr aPixel.PixelDesc.GreenShift) and aPixel.PixelDesc.GreenRange; + aPixel.Blue := (PWord(aData)^ shr aPixel.PixelDesc.BlueShift) and aPixel.PixelDesc.BlueRange; + aPixel.Alpha := 0; + inc(aData, 2); +end; + {$REGION TfdRGB8} ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// //TfdRGB8///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -1900,7 +2307,7 @@ begin result := tfRGBA8; end; -class procedure TfdRGB8.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); +class procedure TfdRGB8.Map(const aPixel: TglBitmapPixelData; var aData: PByte); begin aData^ := aPixel.Red; inc(aData); @@ -1910,7 +2317,7 @@ begin inc(aData); end; -class procedure TfdRGB8.Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); +class procedure TfdRGB8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); begin aPixel.Red := aData^; inc(aData); @@ -1922,52 +2329,103 @@ begin end; {$ENDREGION} -{$REGION TfdRGBA8} ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TfdRGBA8//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGB5A1/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -class function TfdRGBA8.GetFormat: TglBitmapFormat; +class function TfdRGB5A1.GetFormat: TglBitmapFormat; begin - result := tfRGBA8; + result := tfRGB5A1; end; -class function TfdRGBA8.GetPixelDesc: TglBitmapPixelDesc; +class function TfdRGB5A1.GetPixelDesc: TglBitmapPixelDesc; begin with result do begin - RedRange := $000000FF; RedShift := 0; - GreenRange := $000000FF; GreenShift := 8; - BlueRange := $000000FF; BlueShift := 16; - AlphaRange := $000000FF; AlphaShift := 24; + RedRange := $0000001F; RedShift := 0; + GreenRange := $0000001F; GreenShift := 5; + BlueRange := $0000001F; BlueShift := 10; + AlphaRange := $00000001; AlphaShift := 15; end; end; -class function TfdRGBA8.GetFormatDesc: TglBitmapFormatDesc; +class function TfdRGB5A1.GetFormatDesc: TglBitmapFormatDesc; begin with result do begin - Format := GL_RGB; - InternalFormat := GL_RGB8; - DataType := GL_UNSIGNED_BYTE; + Format := GL_RGBA; + InternalFormat := GL_RGB5_A1; + DataType := GL_UNSIGNED_SHORT_5_5_5_1; end; end; -class function TfdRGBA8.WithoutAlpha: TglBitmapFormat; +class function TfdRGB5A1.WithoutAlpha: TglBitmapFormat; begin - result := tfRGB8; + //TODO result := tfRGB5; end; -class procedure TfdRGBA8.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); +class procedure TfdRGB5A1.Map(const aPixel: TglBitmapPixelData; var aData: PByte); begin - aData^ := aPixel.Red; - inc(aData); - aData^ := aPixel.Green; - inc(aData); - aData^ := aPixel.Blue; + PWord(aData)^ := + ((aPixel.Red and aPixel.PixelDesc.RedRange) shl aPixel.PixelDesc.RedShift) or + ((aPixel.Green and aPixel.PixelDesc.GreenRange) shl aPixel.PixelDesc.GreenShift) or + ((aPixel.Blue and aPixel.PixelDesc.BlueRange) shl aPixel.PixelDesc.BlueShift) or + ((aPixel.Alpha and aPixel.PixelDesc.AlphaRange) shl aPixel.PixelDesc.AlphaShift); + inc(aData, 2); +end; + +class procedure TfdRGB5A1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); +begin + aPixel.Red := (PWord(aData)^ shr aPixel.PixelDesc.RedShift) and aPixel.PixelDesc.RedRange; + aPixel.Green := (PWord(aData)^ shr aPixel.PixelDesc.GreenShift) and aPixel.PixelDesc.GreenRange; + aPixel.Blue := (PWord(aData)^ shr aPixel.PixelDesc.BlueShift) and aPixel.PixelDesc.BlueRange; + aPixel.Alpha := (PWord(aData)^ shr aPixel.PixelDesc.AlphaShift) and aPixel.PixelDesc.AlphaRange; + inc(aData, 2); +end; + +{$REGION TfdRGBA8} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TfdRGBA8//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +class function TfdRGBA8.GetFormat: TglBitmapFormat; +begin + result := tfRGBA8; +end; + +class function TfdRGBA8.GetPixelDesc: TglBitmapPixelDesc; +begin + with result do begin + RedRange := $000000FF; RedShift := 0; + GreenRange := $000000FF; GreenShift := 8; + BlueRange := $000000FF; BlueShift := 16; + AlphaRange := $000000FF; AlphaShift := 24; + end; +end; + +class function TfdRGBA8.GetFormatDesc: TglBitmapFormatDesc; +begin + with result do begin + Format := GL_RGB; + InternalFormat := GL_RGB8; + DataType := GL_UNSIGNED_BYTE; + end; +end; + +class function TfdRGBA8.WithoutAlpha: TglBitmapFormat; +begin + result := tfRGB8; +end; + +class procedure TfdRGBA8.Map(const aPixel: TglBitmapPixelData; var aData: PByte); +begin + aData^ := aPixel.Red; + inc(aData); + aData^ := aPixel.Green; + inc(aData); + aData^ := aPixel.Blue; inc(aData); aData^ := aPixel.Alpha; inc(aData); end; -class procedure TfdRGBA8.Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); +class procedure TfdRGBA8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); begin aPixel.Red := aData^; inc(aData); @@ -2013,7 +2471,7 @@ begin result := tfBGRA8; end; -class procedure TfdBGR8.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); +class procedure TfdBGR8.Map(const aPixel: TglBitmapPixelData; var aData: PByte); begin aData^ := aPixel.Blue; inc(aData); @@ -2023,7 +2481,7 @@ begin inc(aData); end; -class procedure TfdBGR8.Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); +class procedure TfdBGR8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); begin aPixel.Blue := aData^; inc(aData); @@ -2067,7 +2525,7 @@ begin result := tfBGR8; end; -class procedure TfdBGRA8.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aBitOffset: Byte); +class procedure TfdBGRA8.Map(const aPixel: TglBitmapPixelData; var aData: PByte); begin aData^ := aPixel.Blue; inc(aData); @@ -2079,7 +2537,7 @@ begin inc(aData); end; -class procedure TfdBGRA8.Unmap(var aData: PByte; var aBitOffset: Byte; var aPixel: TglBitmapPixelData); +class procedure TfdBGRA8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); begin aPixel.Blue := aData^; inc(aData); @@ -2092,19 +2550,163 @@ begin end; {$ENDREGION} -{$REGION TglBitmap } +{$REGION TglBitmap} ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//TglBitmap/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - Helper////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -function TglBitmap.GetHeight: Integer; +procedure glBitmapConvertCopyFunc(var aFuncRec: TglBitmapFunctionRec); begin - if (ffY in fDimension.Fields) then - result := fDimension.Y - else - result := -1; + with aFuncRec 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; + if (Source.PixelDesc.AlphaRange > 0) then + Dest.Alpha := Source.Alpha; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertCalculateRGBAFunc(var aFuncRec: TglBitmapFunctionRec); +begin + with aFuncRec do begin + if (Source.PixelDesc.RedRange > 0) then + Dest.Red := Round(Dest.PixelDesc.RedRange * Source.Red / Source.PixelDesc.RedRange); + if (Source.PixelDesc.GreenRange > 0) then + Dest.Green := Round(Dest.PixelDesc.GreenRange * Source.Green / Source.PixelDesc.GreenRange); + if (Source.PixelDesc.BlueRange > 0) then + Dest.Blue := Round(Dest.PixelDesc.BlueRange * Source.Blue / Source.PixelDesc.BlueRange); + if (Source.PixelDesc.AlphaRange > 0) then + Dest.Alpha := Round(Dest.PixelDesc.AlphaRange * Source.Alpha / Source.PixelDesc.AlphaRange); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapConvertShiftRGBAFunc(var aFuncRec: TglBitmapFunctionRec); +begin + with aFuncRec do + with PglBitmapPixelDesc(Args)^ 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; + if (Source.PixelDesc.BlueRange > 0) then + Dest.Blue := Source.Blue shr BlueShift; + if (Source.PixelDesc.AlphaRange > 0) then + Dest.Alpha := Source.Alpha shr AlphaShift; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapInvertFunc(var aFuncRec: TglBitmapFunctionRec); +begin + with aFuncRec do begin + Dest.Red := Source.Red; + Dest.Green := Source.Green; + Dest.Blue := Source.Blue; + Dest.Alpha := Source.Alpha; + if (Args 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; + end; + if (Args and $2 > 0) then begin + Dest.Alpha := Dest.Alpha xor Dest.PixelDesc.AlphaRange; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapFillWithColorFunc(var aFuncRec: TglBitmapFunctionRec); +type + PglBitmapPixelData = ^TglBitmapPixelData; +begin + with aFuncRec do begin + Dest.Red := PglBitmapPixelData(Args)^.Red; + Dest.Green := PglBitmapPixelData(Args)^.Green; + Dest.Blue := PglBitmapPixelData(Args)^.Blue; + Dest.Alpha := PglBitmapPixelData(Args)^.Alpha; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +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.Red / Source.PixelDesc.RedRange * ALPHA_WEIGHT_R + + Source.Green / Source.PixelDesc.GreenRange * ALPHA_WEIGHT_G + + Source.Blue / Source.PixelDesc.BlueRange * ALPHA_WEIGHT_B; + Dest.Alpha := Round(Dest.PixelDesc.AlphaRange * Temp); + end else + Dest.Alpha := Round(Source.Alpha / Source.PixelDesc.AlphaRange * Dest.PixelDesc.AlphaRange); + 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 PglBitmapPixelData(Args)^ 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 + else + Dest.Alpha := Dest.PixelDesc.AlphaRange; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmapValueAlphaFunc(var FuncRec: TglBitmapFunctionRec); +type + PglBitmapPixelData = ^TglBitmapPixelData; +begin + with FuncRec do begin + Dest.Red := Source.Red; + Dest.Green := Source.Green; + Dest.Blue := Source.Blue; + with PglBitmapPixelData(Args)^ do + Dest.Alpha := Alpha; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure SwapRGB(aData: PByte; aWidth: Integer; const aHasAlpha: Boolean); +type + PRGBPix = ^TRGBPix; + TRGBPix = array [0..2] of byte; +var + Temp: Byte; +begin + while aWidth > 0 do begin + Temp := PRGBPix(aData)^[0]; + PRGBPix(aData)^[0] := PRGBPix(aData)^[2]; + PRGBPix(aData)^[2] := Temp; + + if aHasAlpha then + Inc(aData, 4) + else + Inc(aData, 3); + dec(aWidth); + end; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PROTECTED/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{$REGION Getter} function TglBitmap.GetWidth: Integer; begin if (ffX in fDimension.Fields) then @@ -2113,6 +2715,28 @@ begin result := -1; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetHeight: Integer; +begin + if (ffY in fDimension.Fields) then + result := fDimension.Y + else + result := -1; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetFileWidth: Integer; +begin + result := Max(1, Width); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.GetFileHeight: Integer; +begin + result := Max(1, Height); +end; +{$ENDREGION} + {$REGION Setter} ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure TglBitmap.SetCustomData(const aValue: Pointer); @@ -2151,7 +2775,9 @@ procedure TglBitmap.SetFormat(const aValue: TglBitmapFormat); begin if fFormat = aValue then exit; - fFormat := aValue; + if (FORMAT_DESCRIPTORS[Format].GetSize <> FORMAT_DESCRIPTORS[aValue].GetSize) then + raise EglBitmapUnsupportedFormatFormat.Create('SetInternalFormat - ' + UNSUPPORTED_FORMAT); + SetDataPointer(Data, aValue, Width, Height); end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -2191,11 +2817,11 @@ procedure TglBitmap.SetAnisotropic(const aValue: Integer); var MaxAnisotropic: Integer; begin - fAnisotropic := Value; + fAnisotropic := aValue; if (ID > 0) then begin if GL_EXT_texture_filter_anisotropic then begin if fAnisotropic > 0 then begin - Bind(False); + Bind(false); glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, @MaxAnisotropic); if aValue > MaxAnisotropic then fAnisotropic := MaxAnisotropic; @@ -2208,38 +2834,12 @@ begin end; {$ENDREGION} -procedure TglBitmap.AfterConstruction; -begin - inherited AfterConstruction; - - fID := 0; - fTarget := 0; - fIsResident := False; - - fFormat := glBitmapGetDefaultFormat; - fMipMap := glBitmapDefaultMipmap; - fFreeDataAfterGenTexture := glBitmapGetDefaultFreeDataAfterGenTexture; - fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; - - glBitmapGetDefaultFilter (fFilterMin, fFilterMag); - glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); -end; - -////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.BeforeDestruction; -begin - SetDataPointer(nil, ifEmpty); - if (ID > 0) and fDeleteTextureOnFree then - glDeleteTextures(1, @ID); - inherited BeforeDestruction; -end; - ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure TglBitmap.CreateID; begin - if ID <> 0 then - glDeleteTextures(1, @ID); - glGenTextures(1, @ID); + if (ID <> 0) then + glDeleteTextures(1, @fID); + glGenTextures(1, @fID); Bind(false); end; @@ -2253,657 +2853,406 @@ begin SetBorderColor(fBorderColor[0], fBorderColor[1], fBorderColor[2], fBorderColor[3]); // Mip Maps Generation Mode - aBuildWithGlu := False; + 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 - BuildWithGlu := True; + aBuildWithGlu := true; end else if (MipMap = mmMipmapGlu) then - BuildWithGlu := True; + aBuildWithGlu := true; end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure TglBitmap.SelectFormat(const aFormat: TglBitmapFormat; var glFormat, glInternalFormat, glType: Cardinal); +procedure TglBitmap.SetDataPointer(const aData: PByte; const aFormat: TglBitmapFormat; + const aWidth: Integer; const aHeight: Integer); +var + s: Single; +begin + if (Data <> aData) then begin + if (Assigned(Data)) then + FreeMem(Data); + fData := aData; + end; - procedure Check12; - begin - if not GL_VERSION_1_2 then - raise EglBitmapUnsupportedFormatFormat.Create('SelectFormat - You need at least OpenGL 1.2 to support these format.'); + 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 aHeight <> -1 then begin + fDimension.Fields := fDimension.Fields + [ffY]; + fDimension.Y := aHeight; + end; + + s := FORMAT_DESCRIPTORS[aFormat].GetSize; + fFormat := aFormat; + fPixelSize := Ceil(s); + fRowSize := Ceil(s * aWidth); end; +end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.FlipHorz: Boolean; begin - PIXEL_DESC_ALPHA12; - glType := GL_UNSIGNED_BYTE; - glInternalFormat := Cardinal(aFormat); + result := false; +end; - case aFormat of - tfAlpha4, tfAlpha8, tfAlpha12, tfAlpha16: - glFormat := GL_ALPHA; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.FlipVert: Boolean; +begin + result := false; +end; - tfLuminance4, tfLuminance8, tfLuminance12, tfLuminance16: - glFormat := GL_LUMINANCE; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TglBitmap - PUBLIC////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.AfterConstruction; +begin + inherited AfterConstruction; - tfuminance4Alpha4, tfLuminance6Alpha2, tfLuminance8Alpha8, - tfLuminance12Alpha4, tfLuminance12Alpha12, tfLuminance16Alpha16: - glFormat := GL_LUMINANCE_ALPHA; + fID := 0; + fTarget := 0; + fIsResident := false; - tfR3G3B2, tfRGB4, tfRGB5, tfRGB8, tfRGB10, tfRGB12, tfRGB16: - glFormat := GL_RGB; + fFormat := glBitmapGetDefaultFormat; + fMipMap := glBitmapDefaultMipmap; + fFreeDataAfterGenTexture := glBitmapGetDefaultFreeDataAfterGenTexture; + fDeleteTextureOnFree := glBitmapGetDefaultDeleteTextureOnFree; - tfRGBA2, tfRGBA4, tfRGB5A1, tfRGBA8, tfRGB10A2, tfRGBA12, tfRGBA16: - glFormat := GL_RGBA; + glBitmapGetDefaultFilter (fFilterMin, fFilterMag); + glBitmapGetDefaultTextureWrap(fWrapS, fWrapT, fWrapR); +end; - tfDepth16, tfDepth24, tfDepth32: - glFormat := GL_DEPTH_COMPONENT; - else - glFormat := 0; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.BeforeDestruction; +begin + SetDataPointer(nil, tfEmpty); + if (fID > 0) and fDeleteTextureOnFree then + glDeleteTextures(1, @fID); + inherited BeforeDestruction; +end; - case aFormat of - tfRGBA4: - glType := GL_UNSIGNED_SHORT_4_4_4_4; - tfRGB5A1: - glType := GL_UNSIGNED_SHORT_5_5_5_1; - tfRG +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromFile(const aFilename: String); +var + fs: TFileStream; +begin + fFilename := aFilename; + fs := TFileStream.Create(fFilename, fmOpenRead); + try + fs.Position := 0; + LoadFromStream(fs); + finally + fs.Free; end; +end; - - // 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(tfRGB8); - 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(tfRGBA8); - glFormat := GL_RGBA; - end; - end; - tfRGB8: - glFormat := GL_RGB; - tfRGBA8: - glFormat := GL_RGBA; - tfRGBA4: - begin - Check12; - glFormat := GL_BGRA; - glType := GL_UNSIGNED_SHORT_4_4_4_4_REV; - end; - tfRGB5A1: - begin - Check12; - glFormat := GL_BGRA; - glType := GL_UNSIGNED_SHORT_1_5_5_5_REV; - end; - tfRGB10A2: - 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(tfRGBA8); - 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, tfRGB8: - 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, tfRGBA8, tfRGBA4, tfRGB5A1, tfRGB10A2, 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; - end; - end; -end; - - - - - - - - - - - - - - - - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromStream(const aStream: TStream); +begin + {$IFDEF GLB_SUPPORT_PNG_READ} + if not LoadPNG(aStream) then + {$ENDIF} + {$IFDEF GLB_SUPPORT_JPEG_READ} + if not LoadJPEG(aStream) then + {$ENDIF} + if not LoadDDS(aStream) then + if not LoadTGA(aStream) then + if not LoadBMP(aStream) then + raise EglBitmapException.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); +end; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -constructor TglBitmap.Create; -begin - {$IFNDEF GLB_NO_NATIVE_GL} - ReadOpenGLExtensions; - {$ENDIF} - - if (ClassType = TglBitmap) then - raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); - - inherited Create; -end; - - -constructor TglBitmap.Create(FileName: String); -begin - Create; - LoadFromFile(FileName); -end; - - -constructor TglBitmap.Create(Stream: TStream); -begin - Create; - LoadFromStream(Stream); -end; - - -{$IFDEF GLB_DELPHI} -constructor TglBitmap.CreateFromResourceName(Instance: Cardinal; Resource: String; ResType: PChar); -begin - Create; - LoadFromResource(Instance, Resource, ResType); -end; - - -constructor TglBitmap.Create(Instance: Cardinal; Resource: String; ResType: PChar); -begin - Create; - LoadFromResource(Instance, Resource, ResType); -end; - - - -constructor TglBitmap.Create(Instance: Cardinal; ResourceID: Integer; ResType: PChar); -begin - Create; - LoadFromResourceID(Instance, ResourceID, ResType); -end; -{$ENDIF} - - -constructor TglBitmap.Create(Size: TglBitmapPixelPosition; - Format: TglBitmapFormat); -var - Image: pByte; - ImageSize: Integer; -begin - Create; - - ImageSize := FormatGetImageSize(Size, Format); - GetMem(Image, ImageSize); - try - FillChar(Image^, ImageSize, #$FF); - - SetDataPointer(Image, Format, Size.X, Size.Y); - except - FreeMem(Image); - raise; - end; -end; - - -constructor TglBitmap.Create(Size: TglBitmapPixelPosition; - Format: TglBitmapFormat; Func: TglBitmapFunction; CustomData: Pointer); -begin - Create; - LoadFromFunc(Size, Func, Format, CustomData); -end; - - -function TglBitmap.Clone: TglBitmap; +procedure TglBitmap.LoadFromFunc(const aSize: TglBitmapPixelPosition; const aFunc: TglBitmapFunction; + const aFormat: TglBitmapFormat; const aArgs: PtrInt); var - Temp: TglBitmap; - TempPtr: pByte; - Size: Integer; + tmpData: PByte; + size: Integer; begin - Temp := ClassType.Create as TglBitmap; + size := FORMAT_DESCRIPTORS[aFormat].GetSize(aSize); + GetMem(tmpData, size); try - // copy texture data if assigned - if Assigned(Data) then begin - Size := FormatGetImageSize(glBitmapPosition(Width, Height), InternalFormat); - - 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); - - // 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; + FillChar(tmpData^, size, #$FF); + SetDataPointer(tmpData, aFormat, aSize.X, aSize.Y); except - FreeAndNil(Temp); + FreeMem(tmpData); raise; end; + AddFunc(Self, aFunc, false, Format, aArgs); end; - -procedure TglBitmap.LoadFromFile(const aFileName: String); -var - FS: TFileStream; -begin - fFilename := FileName; - - FS := TFileStream.Create(FileName, fmOpenRead); - try - FS.Position := 0; - - LoadFromStream(FS); - finally - FS.Free; - end; -end; - - -procedure TglBitmap.LoadFromStream(const aStream: TStream); -begin - {$IFDEF GLB_SUPPORT_PNG_READ} - if not LoadPNG(Stream) then - {$ENDIF} - {$IFDEF GLB_SUPPORT_JPEG_READ} - if not LoadJPEG(Stream) then - {$ENDIF} - if not LoadDDS(Stream) then - if not LoadTGA(Stream) then - if not LoadBMP(Stream) then - raise EglBitmapException.Create('LoadFromStream - Couldn''t load Stream. It''s possible to be an unknow Streamtype.'); -end; - - {$IFDEF GLB_DELPHI} -procedure TglBitmap.LoadFromResource(Instance: Cardinal; Resource: String; ResType: PChar); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar = nil); var - RS: TResourceStream; + rs: TResourceStream; TempPos: Integer; ResTypeStr: String; TempResType: PChar; begin - if Assigned(ResType) then + 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 - 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); + rs := TResourceStream.Create(Instance, Resource, TempResType); try - LoadFromStream(RS); + LoadFromStream(rs); finally - RS.Free; + rs.Free; end; end; - -procedure TglBitmap.LoadFromResourceID(Instance: Cardinal; ResourceID: Integer; ResType: PChar); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.LoadFromResourceID(const sInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); var - RS: TResourceStream; + rs: TResourceStream; begin - RS := TResourceStream.CreateFromID(Instance, ResourceID, ResType); + rs := TResourceStream.CreateFromID(Instance, ResourceID, ResType); try - LoadFromStream(RS); + LoadFromStream(rs); finally - RS.Free; + rs.Free; end; end; {$ENDIF} - - -procedure TglBitmap.LoadFromFunc(const aSize: TglBitmapPixelPosition; - const aFunc: TglBitmapFunction; const aFormat: TglBitmapFormat; - const aArgs: PtrInt); -var - Image: pByte; - ImageSize: Integer; -begin - ImageSize := FormatGetImageSize(Size, Format); - GetMem(Image, ImageSize); - try - FillChar(Image^, ImageSize, #$FF); - - SetDataPointer(Image, Format, Size.X, Size.Y); - except - FreeMem(Image); - raise; - end; - - AddFunc(Self, Func, False, Format, CustomData) -end; - - -procedure TglBitmap.SaveToFile(const aFileName: String; - const aFileType: TglBitmapFileType); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveToFile(const aFileName: String; const aFileType: TglBitmapFileType); var - FS: TFileStream; + fs: TFileStream; begin - FS := TFileStream.Create(FileName, fmCreate); + fs := TFileStream.Create(aFileName, fmCreate); try - FS.Position := 0; - SaveToStream(FS, FileType); + fs.Position := 0; + SaveToStream(fs, aFileType); finally - FS.Free; + fs.Free; end; end; - -procedure TglBitmap.SaveToStream(const aStream: TStream; - const aFileType: TglBitmapFileType); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveToStream(const aStream: TStream; const aFileType: TglBitmapFileType); begin - case FileType of + case aFileType of {$IFDEF GLB_SUPPORT_PNG_WRITE} - ftPNG: SavePng(Stream); + ftPNG: SavePng(aStream); {$ENDIF} {$IFDEF GLB_SUPPORT_JPEG_WRITE} - ftJPEG: SaveJPEG(Stream); + ftJPEG: SaveJPEG(aStream); {$ENDIF} - ftDDS: SaveDDS(Stream); - ftTGA: SaveTGA(Stream); - ftBMP: SaveBMP(Stream); + ftDDS: SaveDDS(aStream); + ftTGA: SaveTGA(aStream); + ftBMP: SaveBMP(aStream); end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddFunc(const aFunc: TglBitmapFunction; const aCreateTemp: Boolean; const aArgs: PtrInt): Boolean; +begin + result := AddFunc(Self, aFunc, aCreateTemp, Format, aArgs); +end; -{$IFDEF GLB_SDL} -function TglBitmap.AssignToSurface(out Surface: PSDL_Surface): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddFunc(const aSource: TglBitmap; const aFunc: TglBitmapFunction; aCreateTemp: Boolean; + const aFormat: TglBitmapFormat; const aArgs: PtrInt): Boolean; var - Row, RowSize: Integer; - pSource, pData: PByte; - TempDepth: Integer; - Pix: TglBitmapPixelData; - - function GetRowPointer(Row: Integer): pByte; - begin - Result := Surface.pixels; - Inc(Result, Row * RowSize); - end; + DestData, TmpData, SourceData: pByte; + TempHeight, TempWidth: Integer; + SourceFD, DestFD: TglBitmapFormatDescClass; + FuncRec: TglBitmapFunctionRec; begin - Result := False; - - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedInternalFormat.Create('AssignToSurface - ' + UNSUPPORTED_INTERNAL_FORMAT); - - 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; - - FormatPreparePixel(Pix, InternalFormat); + Assert(Assigned(Data)); + Assert(Assigned(aSource)); + Assert(Assigned(aSource.Data)); - with Pix.PixelDesc do - Surface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, TempDepth, RedRange shl RedShift, GreenRange shl GreenShift, BlueRange shl BlueShift, AlphaRange shl AlphaShift); + result := false; + if Assigned(aSource.Data) and ((aSource.Height > 0) or (aSource.Width > 0)) then begin + SourceFD := FORMAT_DESCRIPTORS[aSource.Format]; + DestFD := FORMAT_DESCRIPTORS[aFormat]; - pSource := Data; - RowSize := Trunc(FileWidth * FormatGetSize(InternalFormat)); + // inkompatible Formats so CreateTemp + if (SourceFD.GetSize <> DestFD.GetSize) then + aCreateTemp := true; - for Row := 0 to FileHeight -1 do begin - pData := GetRowPointer(Row); + // Values + TempHeight := Max(1, aSource.Height); + TempWidth := Max(1, aSource.Width); - if Assigned(pData) then begin - Move(pSource^, pData^, RowSize); - Inc(pSource, RowSize); - end; - end; + FuncRec.Sender := Self; + FuncRec.Args := aArgs; - Result := True; - end; -end; + TmpData := nil; + if aCreateTemp then begin + GetMem(TmpData, Ceil(FORMAT_DESCRIPTORS[aFormat].GetSize * TempHeight * TempWidth)); + DestData := TmpData; + end else + DestData := Data; + try + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); -function TglBitmap.AssignFromSurface(const Surface: PSDL_Surface): boolean; -var - pSource, pData, pTempData: PByte; - Row, RowSize, TempWidth, TempHeight: Integer; - IntFormat: TglBitmapInternalFormat; + FuncRec.Size := aSource.Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; - function GetRowPointer(Row: Integer): pByte; - begin - Result := Surface^.pixels; - Inc(Result, Row * RowSize); - end; + if {FormatIsUncompressed(Source.InternalFormat)} true then begin + 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); + aFunc(FuncRec); + DestFD.Map(FuncRec.Dest, DestData); + inc(FuncRec.Position.X); + end; + inc(FuncRec.Position.Y); + end; + end else begin + (* TODO + // 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, dest); + Inc(FuncRec.Position.X); + end; + Inc(FuncRec.Position.Y); + end; + *) + end; -begin - Result := False; + // Updating Image or InternalFormat + if aCreateTemp then + SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height) + else if (aFormat <> fFormat) then + Format := aFormat; - if (Assigned(Surface)) then begin - with Surface^.format^ do begin - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifLuminance) then - IntFormat := ifLuminance - else + result := true; + except + if aCreateTemp then + FreeMem(TmpData); + raise; + end; + end; +end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifLuminanceAlpha) then - IntFormat := ifLuminanceAlpha - else +{$IFDEF GLB_SDL} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignToSurface(out aSurface: PSDL_Surface): Boolean; +var + Row, RowSize: Integer; + SourceData, TmpData: PByte; + TempDepth: Integer; + Pix: TglBitmapPixelData; + FormatDesc: TglBitmapFormatDescriptor; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGBA4) then - IntFormat := ifRGBA4 - else + function GetRowPointer(Row: Integer): pByte; + begin + result := Surface.pixels; + Inc(result, Row * RowSize); + end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifR5G6B5) then - IntFormat := ifR5G6B5 - else +begin + result := false; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB5A1) then - IntFormat := ifRGB5A1 - else + (* TODO + if not FormatIsUncompressed(InternalFormat) then + raise EglBitmapUnsupportedInternalFormat.Create('AssignToSurface - ' + UNSUPPORTED_INTERNAL_FORMAT); + *) - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifBGR8) then - IntFormat := ifBGR8 - else + 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); - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB8) then - IntFormat := ifRGB8 - else + SourceData := Data; + RowSize := Ceil(FileWidth * FormatDesc.GetSize); - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifBGRA8) then - IntFormat := ifBGRA8 - else + for Row := 0 to FileHeight -1 do begin + TmpData := GetRowPointer(Row); + if Assigned(TmpData) then begin + Move(SourceData^, TmpData^, RowSize); + inc(SourceData, RowSize); + end; + end; + result := true; + end; +end; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGBA8) then - IntFormat := ifRGBA8 - else +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignFromSurface(const aSurface: PSDL_Surface): Boolean; +var + pSource, pData, pTempData: PByte; + Row, RowSize, TempWidth, TempHeight: Integer; + IntFormat, f: TglBitmapInternalFormat; + FormatDesc: TglBitmapFormatDescriptor; - if FormatCheckFormat(RMask, GMask, BMask, AMask, ifRGB10A2) then - IntFormat := ifRGB10A2 - else + function GetRowPointer(Row: Integer): pByte; + begin + result := Surface^.pixels; + Inc(result, Row * RowSize); + end; + +begin + 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; - TempWidth := Surface^.w; + FormatDesc := FORMAT_DESCRIPTORS[IntFormat]; + TempWidth := Surface^.w; TempHeight := Surface^.h; - - RowSize := Trunc(TempWidth * FormatGetSize(IntFormat)); - + RowSize := Trunc(TempWidth * FormatDesc.GetSize); GetMem(pData, TempHeight * RowSize); try pTempData := pData; - for Row := 0 to TempHeight -1 do begin pSource := GetRowPointer(Row); - if (Assigned(pSource)) then begin Move(pSource^, pTempData^, RowSize); Inc(pTempData, RowSize); end; end; - SetDataPointer(pData, IntFormat, TempWidth, TempHeight); - - Result := True; + result := true; except FreeMem(pData); raise; @@ -2911,40 +3260,35 @@ begin end; end; - -function TglBitmap.AssignAlphaToSurface(out Surface: PSDL_Surface): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignAlphaToSurface(out aSurface: PSDL_Surface): Boolean; var Row, Col, AlphaInterleave: Integer; pSource, pDest: PByte; function GetRowPointer(Row: Integer): pByte; begin - Result := Surface.pixels; - Inc(Result, Row * Width); + result := aSurface.pixels; + Inc(result, Row * Width); end; begin - Result := False; - + result := false; 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); + if Format in [tfAlpha8, tfLuminance8Alpha8, tfBGRA8, tfRGBA8] then begin + aSurface := SDL_CreateRGBSurface(SDL_SWSURFACE, Width, Height, 8, $FF, $FF, $FF, 0); - case InternalFormat of - ifLuminanceAlpha: + AlphaInterleave := 0; + case Format of + ifLuminance8Alpha8: AlphaInterleave := 1; ifBGRA8, ifRGBA8: AlphaInterleave := 3; - else - AlphaInterleave := 0; end; - // Copy Data pSource := Data; - for Row := 0 to Height -1 do begin pDest := GetRowPointer(Row); - if Assigned(pDest) then begin for Col := 0 to Width -1 do begin Inc(pSource, AlphaInterleave); @@ -2954,37 +3298,83 @@ begin end; end; end; - - Result := True; + result := true; end; end; end; - -function TglBitmap.AddAlphaFromSurface(Surface: PSDL_Surface; Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromSurface(const aSurface: PSDL_Surface; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; var - glBitmap: TglBitmap2D; + bmp: TglBitmap2D; begin - glBitmap := TglBitmap2D.Create; + bmp := TglBitmap2D.Create; try - glBitmap.AssignFromSurface(Surface); - - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); + bmp.AssignFromSurface(Surface); + result := AddAlphaFromGlBitmap(bmp, Func, CustomData); finally - glBitmap.Free; + bmp.Free; end; end; {$ENDIF} - {$IFDEF GLB_DELPHI} -function TglBitmap.AssignFromBitmap(const Bitmap: TBitmap): boolean; +//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; + + 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; + + 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; + + result := true; + end; + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignFromBitmap(const aBitmap: TBitmap): Boolean; var pSource, pData, pTempData: PByte; Row, RowSize, TempWidth, TempHeight: Integer; IntFormat: TglBitmapInternalFormat; begin - Result := False; + result := false; if (Assigned(Bitmap)) then begin case Bitmap.PixelFormat of @@ -3022,7 +3412,7 @@ begin SetDataPointer(pData, IntFormat, TempWidth, TempHeight); - Result := True; + result := true; except FreeMem(pData); raise; @@ -3030,61 +3420,13 @@ begin end; end; - -function TglBitmap.AssignToBitmap(const Bitmap: TBitmap): boolean; -var - Row: Integer; - pSource, pData: PByte; -begin - Result := False; - - if Assigned(Data) then begin - if Assigned(Bitmap) then begin - Bitmap.Width := Width; - Bitmap.Height := Height; - - 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; - - 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; - - Result := True; - end; - end; -end; - - -function TglBitmap.AssignAlphaToBitmap(const Bitmap: TBitmap): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AssignAlphaToBitmap(const aBitmap: TBitmap): Boolean; var Row, Col, AlphaInterleave: Integer; pSource, pDest: PByte; begin - Result := False; + result := false; if Assigned(Data) then begin if InternalFormat in [ifAlpha, ifLuminanceAlpha, ifRGBA8, ifBGRA8] then begin @@ -3119,58 +3461,29 @@ begin end; end; - Result := True; + result := true; end; end; end; end; - -function TglBitmap.AddAlphaFromBitmap(Bitmap: TBitmap; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - glBitmap: TglBitmap2D; -begin - glBitmap := TglBitmap2D.Create; - try - glBitmap.AssignFromBitmap(Bitmap); - - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); - finally - glBitmap.Free; - end; -end; -{$ENDIF} - - -function TglBitmap.AddAlphaFromFile(FileName: String; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - FS: TFileStream; -begin - FS := TFileStream.Create(FileName, fmOpenRead); - try - Result := AddAlphaFromStream(FS, Func, CustomData); - finally - FS.Free; - end; -end; - - -function TglBitmap.AddAlphaFromStream(Stream: TStream; Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromBitmap(const aBitmap: TBitmap; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; var - glBitmap: TglBitmap2D; + tex: TglBitmap2D; begin - glBitmap := TglBitmap2D.Create(Stream); + tex := TglBitmap2D.Create; try - Result := AddAlphaFromglBitmap(glBitmap, Func, CustomData); + tex.AssignFromBitmap(Bitmap); + result := AddAlphaFromglBitmap(tex, Func, CustomData); finally - glBitmap.Free; + tex.Free; end; end; - -{$IFDEF GLB_DELPHI} -function TglBitmap.AddAlphaFromResource(Instance: Cardinal; Resource: String; - ResType: PChar; Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromResource(const aInstance: Cardinal; const aResource: String; const aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; var RS: TResourceStream; TempPos: Integer; @@ -3189,167 +3502,373 @@ begin RS := TResourceStream.Create(Instance, Resource, TempResType); try - Result := AddAlphaFromStream(RS, Func, CustomData); + result := AddAlphaFromStream(RS, Func, CustomData); finally RS.Free; end; end; - -function TglBitmap.AddAlphaFromResourceID(Instance: Cardinal; ResourceID: Integer; - ResType: PChar; Func: TglBitmapFunction; CustomData: Pointer): boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromResourceID(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar; + const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; var RS: TResourceStream; begin RS := TResourceStream.CreateFromID(Instance, ResourceID, ResType); try - Result := AddAlphaFromStream(RS, Func, CustomData); + result := AddAlphaFromStream(RS, Func, CustomData); finally RS.Free; end; end; {$ENDIF} - -procedure glBitmapColorKeyAlphaFunc(var FuncRec: TglBitmapFunctionRec); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromFunc(const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; begin - with FuncRec do begin - Dest.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; + (* TODO + if not FormatIsUncompressed(InternalFormat) then + raise EglBitmapUnsupportedFormatFormat.Create('AddAlphaFromFunc - ' + UNSUPPORTED_FORMAT); + *) + result := AddFunc(Self, aFunc, false, FORMAT_DESCRIPTORS[Format].WithAlpha, aArgs); +end; - 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 - else - Dest.Alpha := Dest.PixelDesc.AlphaRange; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromFile(const aFileName: String; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; +var + FS: TFileStream; +begin + FS := TFileStream.Create(FileName, fmOpenRead); + try + result := AddAlphaFromStream(FS, aFunc, aArgs); + finally + FS.Free; end; end; - -function TglBitmap.AddAlphaFromColorKey(Red, Green, Blue: Byte; Deviation: Byte - ): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromStream(const aStream: TStream; const aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; +var + tex: TglBitmap2D; begin - Result := AddAlphaFromColorKeyFloat(Red / $FF, Green / $FF, Blue / $FF, Deviation / $FF); + tex := TglBitmap2D.Create(aStream); + try + result := AddAlphaFromglBitmap(tex, aFunc, aArgs); + finally + tex.Free; + end; end; - -function TglBitmap.AddAlphaFromColorKeyRange(Red, Green, Blue: Cardinal; Deviation: Cardinal = 0): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromGlBitmap(const aBitmap: TglBitmap; aFunc: TglBitmapFunction; const aArgs: PtrInt): Boolean; var - PixelData: TglBitmapPixelData; + DestData, DestData2, SourceData: pByte; + TempHeight, TempWidth: Integer; + SourceFD, DestFD: TglBitmapFormatDescClass; + + FuncRec: TglBitmapFunctionRec; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + result := false; - 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))); -end; + Assert(Assigned(Data)); + Assert(Assigned(aBitmap)); + Assert(Assigned(aBitmap.Data)); + if ((aBitmap.Width = Width) and (aBitmap.Height = Height)) then begin + result := ConvertTo(FORMAT_DESCRIPTORS[Format].WithAlpha); + if not Assigned(aFunc) then + aFunc := glBitmapAlphaFunc; -function TglBitmap.AddAlphaFromColorKeyFloat(Red, Green, Blue: Single; Deviation: Single = 0): Boolean; -var - TempR, TempG, TempB: Cardinal; - PixelData: TglBitmapPixelData; -begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + SourceFD := FORMAT_DESCRIPTORS[aBitmap.Format]; + DestFD := FORMAT_DESCRIPTORS[Format]; - // Calculate Colorrange - with PixelData.PixelDesc do begin - TempR := Trunc(RedRange * Deviation); - TempG := Trunc(GreenRange * Deviation); - TempB := Trunc(BlueRange * Deviation); - - 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; + // Values + TempHeight := aBitmap.FileHeight; + TempWidth := aBitmap.FileWidth; - Result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, @PixelData); -end; + FuncRec.Sender := Self; + FuncRec.Args := aArgs; + FuncRec.Size := Dimension; + FuncRec.Position.Fields := FuncRec.Size.Fields; + FuncRec.Args := PtrInt(SourceFD.HasAlpha) and 1; + DestData := Data; + DestData2 := Data; + SourceData := aBitmap.Data; -procedure glBitmapValueAlphaFunc(var FuncRec: TglBitmapFunctionRec); -begin - with FuncRec do begin - Dest.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; + // Mapping + SourceFD.PreparePixel(FuncRec.Source); + DestFD.PreparePixel (FuncRec.Dest); - with TglBitmapPixelData(CustomData^) do - Dest.Alpha := Alpha; + 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); + DestFD.Unmap (DestData, FuncRec.Dest); + aFunc(FuncRec); + DestFD.Map(FuncRec.Dest, DestData2); + inc(FuncRec.Position.X); + end; + inc(FuncRec.Position.Y); + end; end; end; -function TglBitmap.AddAlphaFromValue(Alpha: Byte): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte): Boolean; begin - Result := AddAlphaFromValueFloat(Alpha / $FF); + result := AddAlphaFromColorKeyFloat(aRed / $FF, aGreen / $FF, aBlue / $FF, aDeviation / $FF); end; - -function TglBitmap.AddAlphaFromValueFloat(Alpha: Single): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromColorKeyRange(const aRed, aGreen, aBlue: Cardinal; const aDeviation: Cardinal): Boolean; var PixelData: TglBitmapPixelData; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); - - with PixelData.PixelDesc do - PixelData.Alpha := Min(AlphaRange, Max(0, Round(AlphaRange * Alpha))); + FORMAT_DESCRIPTORS[FORMAT_DESCRIPTORS[Format].WithAlpha].PreparePixel(PixelData); + result := AddAlphaFromColorKeyFloat( + aRed / PixelData.PixelDesc.RedRange, + aGreen / PixelData.PixelDesc.GreenRange, + aBlue / PixelData.PixelDesc.BlueRange, + aDeviation / Max(PixelData.PixelDesc.RedRange, Max(PixelData.PixelDesc.GreenRange, PixelData.PixelDesc.BlueRange))); +end; - Result := AddAlphaFromFunc(glBitmapValueAlphaFunc, @PixelData); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single): Boolean; +var + TempR, TempG, TempB: Cardinal; + PixelData: TglBitmapPixelData; +begin + FORMAT_DESCRIPTORS[FORMAT_DESCRIPTORS[Format].WithAlpha].PreparePixel(PixelData); + with PixelData.PixelDesc do begin + TempR := Trunc(RedRange * aDeviation); + TempG := Trunc(GreenRange * aDeviation); + TempB := Trunc(BlueRange * aDeviation); + + PixelData.Red := Min(RedRange, Trunc(RedRange * aRed) + TempR); + RedRange := Max(0, Trunc(RedRange * aRed) - TempR); + PixelData.Green := Min(GreenRange, Trunc(GreenRange * aGreen) + TempG); + GreenRange := Max(0, Trunc(GreenRange * aGreen) - TempG); + PixelData.Blue := Min(BlueRange, Trunc(BlueRange * aBlue) + TempB); + BlueRange := Max(0, Trunc(BlueRange * aBlue) - TempB); + PixelData.Alpha := 0; + AlphaRange := 0; + end; + result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, PtrInt(@PixelData)); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromValue(const aAlpha: Byte): Boolean; +begin + result := AddAlphaFromValueFloat(aAlpha / $FF); +end; -function TglBitmap.AddAlphaFromValueRange(Alpha: Cardinal): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromValueRange(const aAlpha: Cardinal): Boolean; var PixelData: TglBitmapPixelData; begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); + FORMAT_DESCRIPTORS[FORMAT_DESCRIPTORS[Format].WithAlpha].PreparePixel(PixelData); + result := AddAlphaFromValueFloat(aAlpha / PixelData.PixelDesc.AlphaRange); +end; - Result := AddAlphaFromValueFloat(Alpha / PixelData.PixelDesc.AlphaRange); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.AddAlphaFromValueFloat(const aAlpha: Single): Boolean; +var + PixelData: TglBitmapPixelData; +begin + FORMAT_DESCRIPTORS[FORMAT_DESCRIPTORS[Format].WithAlpha].PreparePixel(PixelData); + with PixelData.PixelDesc do + PixelData.Alpha := Min(AlphaRange, Max(0, Round(AlphaRange * aAlpha))); + result := AddAlphaFromFunc(glBitmapValueAlphaFunc, PtrInt(@PixelData)); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.RemoveAlpha: Boolean; +var + FormatDesc: TglBitmapFormatDescClass; +begin + result := false; + FormatDesc := FORMAT_DESCRIPTORS[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; -procedure glBitmapInvertFunc(var FuncRec: TglBitmapFunctionRec); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.Clone: TglBitmap; +var + Temp: TglBitmap; + TempPtr: PByte; + Size: Integer; begin - with FuncRec do begin - Dest.Red := Source.Red; - Dest.Green := Source.Green; - Dest.Blue := Source.Blue; - Dest.Alpha := Source.Alpha; + result := nil; + Temp := (ClassType.Create as TglBitmap); + try + // copy texture data if assigned + if Assigned(Data) then begin + Size := FORMAT_DESCRIPTORS[Format].GetSize(fDimension); + GetMem(TempPtr, Size); + try + Move(Data^, TempPtr^, Size); + Temp.SetDataPointer(TempPtr, Format, Width, Height); + except + FreeMem(TempPtr); + raise; + end; + end else + Temp.SetDataPointer(nil, Format, Width, Height); - 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; - end; + // copy properties + Temp.fID := ID; + Temp.fTarget := Target; + Temp.fFormat := Format; + Temp.fMipMap := MipMap; + Temp.fAnisotropic := Anisotropic; + Temp.fBorderColor := fBorderColor; + Temp.fDeleteTextureOnFree := DeleteTextureOnFree; + Temp.fFreeDataAfterGenTexture := FreeDataAfterGenTexture; + Temp.fFilterMin := fFilterMin; + Temp.fFilterMag := fFilterMag; + Temp.fWrapS := fWrapS; + Temp.fWrapT := fWrapT; + Temp.fWrapR := fWrapR; + Temp.fFilename := fFilename; + Temp.fCustomName := fCustomName; + Temp.fCustomNameW := fCustomNameW; + Temp.fCustomData := fCustomData; + + result := Temp; + except + FreeAndNil(Temp); + raise; + end; +end; - if (Integer(CustomData) and $2 > 0) then begin - Dest.Alpha := Dest.Alpha xor Dest.PixelDesc.AlphaRange; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.ConvertTo(const aFormat: TglBitmapFormat): Boolean; +var + SourceFD, DestFD: TglBitmapFormatDescClass; + SourcePD, DestPD: TglBitmapPixelData; + PixelDesc: TglBitmapPixelDesc; + + function CanCopyDirect: Boolean; + begin + result := + ((SourcePD.PixelDesc.RedRange = DestPD.PixelDesc.RedRange) or (SourcePD.PixelDesc.RedRange = 0) or (DestPD.PixelDesc.RedRange = 0)) and + ((SourcePD.PixelDesc.GreenRange = DestPD.PixelDesc.GreenRange) or (SourcePD.PixelDesc.GreenRange = 0) or (DestPD.PixelDesc.GreenRange = 0)) and + ((SourcePD.PixelDesc.BlueRange = DestPD.PixelDesc.BlueRange) or (SourcePD.PixelDesc.BlueRange = 0) or (DestPD.PixelDesc.BlueRange = 0)) and + ((SourcePD.PixelDesc.AlphaRange = DestPD.PixelDesc.AlphaRange) or (SourcePD.PixelDesc.AlphaRange = 0) or (DestPD.PixelDesc.AlphaRange = 0)); + end; + + function CanShift: Boolean; + begin + result := + ((SourcePD.PixelDesc.RedRange >= DestPD.PixelDesc.RedRange ) or (SourcePD.PixelDesc.RedRange = 0) or (DestPD.PixelDesc.RedRange = 0)) and + ((SourcePD.PixelDesc.GreenRange >= DestPD.PixelDesc.GreenRange) or (SourcePD.PixelDesc.GreenRange = 0) or (DestPD.PixelDesc.GreenRange = 0)) and + ((SourcePD.PixelDesc.BlueRange >= DestPD.PixelDesc.BlueRange ) or (SourcePD.PixelDesc.BlueRange = 0) or (DestPD.PixelDesc.BlueRange = 0)) and + ((SourcePD.PixelDesc.AlphaRange >= DestPD.PixelDesc.AlphaRange) or (SourcePD.PixelDesc.AlphaRange = 0) or (DestPD.PixelDesc.AlphaRange = 0)); + end; + + function GetShift(aSource, aDest: Cardinal) : ShortInt; + begin + result := 0; + while (aSource > aDest) and (aSource > 0) do begin + inc(result); + aSource := aSource shr 1; end; end; + +begin + if aFormat <> fFormat then begin + SourceFD := FORMAT_DESCRIPTORS[Format]; + DestFD := FORMAT_DESCRIPTORS[aFormat]; + + SourceFD.PreparePixel(SourcePD); + DestFD.PreparePixel (DestPD); + + if CanCopyDirect then + result := AddFunc(Self, glBitmapConvertCopyFunc, false, aFormat) + else if CanShift then begin + PixelDesc.RedShift := GetShift(SourcePD.PixelDesc.RedRange, DestPD.PixelDesc.RedRange); + PixelDesc.GreenShift := GetShift(SourcePD.PixelDesc.GreenRange, DestPD.PixelDesc.GreenRange); + PixelDesc.BlueShift := GetShift(SourcePD.PixelDesc.BlueRange, DestPD.PixelDesc.BlueRange); + PixelDesc.AlphaShift := GetShift(SourcePD.PixelDesc.AlphaRange, DestPD.PixelDesc.AlphaRange); + result := AddFunc(Self, glBitmapConvertShiftRGBAFunc, false, aFormat, PtrInt(@PixelDesc)); + end else + result := AddFunc(Self, glBitmapConvertCalculateRGBAFunc, false, aFormat); + end else + result := true; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Invert(const aUseRGB: Boolean; const aUseAlpha: Boolean); +begin + if aUseRGB or aUseAlpha then + AddFunc(glBitmapInvertFunc, false, ((PtrInt(aUseAlpha) and 1) shl 1) or (PtrInt(aUseRGB) and 1)); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetBorderColor(const aRed, aGreen, aBlue, aAlpha: Single); +begin + fBorderColor[0] := aRed; + fBorderColor[1] := aGreen; + fBorderColor[2] := aBlue; + fBorderColor[3] := aAlpha; + if (ID > 0) then begin + Bind(false); + glTexParameterfv(Target, GL_TEXTURE_BORDER_COLOR, @fBorderColor[0]); + end; +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FreeData; +begin + SetDataPointer(nil, tfEmpty); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FillWithColor(const aRed, aGreen, aBlue: Byte; + const aAlpha: Byte); +begin + FillWithColorFloat(aRed/$FF, aGreen/$FF, aBlue/$FF, aAlpha/$FF); +end; -procedure TglBitmap.Invert(UseRGB: Boolean; UseAlpha: Boolean); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FillWithColorRange(const aRed, aGreen, aBlue: Cardinal; const aAlpha: Cardinal); +var + PixelData: TglBitmapPixelData; begin - if ((UseRGB) or (UseAlpha)) then - AddFunc(glBitmapInvertFunc, False, Pointer(Integer(UseAlpha) shl 1 or Integer(UseRGB))); + FORMAT_DESCRIPTORS[FORMAT_DESCRIPTORS[Format].WithAlpha].PreparePixel(PixelData); + FillWithColorFloat( + aRed / PixelData.PixelDesc.RedRange, + aGreen / PixelData.PixelDesc.GreenRange, + aBlue / PixelData.PixelDesc.BlueRange, + aAlpha / PixelData.PixelDesc.AlphaRange); end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.FillWithColorFloat(const aRed, aGreen, aBlue: Single; const aAlpha: Single); +var + PixelData: TglBitmapPixelData; +begin + FORMAT_DESCRIPTORS[Format].PreparePixel(PixelData); + PixelData.Red := Max(0, Min(PixelData.PixelDesc.RedRange, Trunc(PixelData.PixelDesc.RedRange * aRed))); + PixelData.Green := Max(0, Min(PixelData.PixelDesc.GreenRange, Trunc(PixelData.PixelDesc.GreenRange * aGreen))); + PixelData.Blue := Max(0, Min(PixelData.PixelDesc.BlueRange, Trunc(PixelData.PixelDesc.BlueRange * aBlue))); + PixelData.Alpha := Max(0, Min(PixelData.PixelDesc.AlphaRange, Trunc(PixelData.PixelDesc.AlphaRange * aAlpha))); + AddFunc(glBitmapFillWithColorFunc, false, PtrInt(@PixelData)); +end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure TglBitmap.SetFilter(const aMin, aMag: Cardinal); begin - case Min of + //check MIN filter + case aMin of GL_NEAREST: fFilterMin := GL_NEAREST; GL_LINEAR: @@ -3363,25 +3882,25 @@ begin GL_LINEAR_MIPMAP_LINEAR: fFilterMin := GL_LINEAR_MIPMAP_LINEAR; else - raise EglBitmapException.Create('SetFilter - Unknow Minfilter.'); + raise EglBitmapException.Create('SetFilter - Unknow MIN filter.'); end; - case Mag of + //check MAG filter + case aMag of GL_NEAREST: fFilterMag := GL_NEAREST; GL_LINEAR: fFilterMag := GL_LINEAR; else - raise EglBitmapException.Create('SetFilter - Unknow Magfilter.'); + raise EglBitmapException.Create('SetFilter - Unknow MAG filter.'); end; - // If texture is created then assign filter - if ID > 0 then begin - Bind(False); - + //apply filter + if (ID > 0) then begin + Bind(false); glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, fFilterMag); - if (MipMap = mmNone) or (Target = GL_TEXTURE_RECTANGLE_ARB) then begin + if (MipMap = mmNone) or (Target = GL_TEXTURE_RECTANGLE) then begin case fFilterMin of GL_NEAREST, GL_LINEAR: glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, fFilterMin); @@ -3395,180 +3914,199 @@ begin end; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetWrap(const S: Cardinal; const T: Cardinal; const R: Cardinal); -procedure TglBitmap.SetWrap(const S: Cardinal; const T: Cardinal; - const R: Cardinal); -begin - case S of - GL_CLAMP: - fWrapS := GL_CLAMP; - GL_REPEAT: - fWrapS := GL_REPEAT; - GL_CLAMP_TO_EDGE: - begin + procedure CheckAndSetWrap(const aValue: Cardinal; var aTarget: Cardinal); + begin + case aValue of + GL_CLAMP: + aTarget := GL_CLAMP; + + GL_REPEAT: + aTarget := GL_REPEAT; + + GL_CLAMP_TO_EDGE: begin if GL_VERSION_1_2 or GL_EXT_texture_edge_clamp then - fWrapS := GL_CLAMP_TO_EDGE + aTarget := GL_CLAMP_TO_EDGE else - fWrapS := GL_CLAMP; + aTarget := GL_CLAMP; end; - GL_CLAMP_TO_BORDER: - begin + + GL_CLAMP_TO_BORDER: begin if GL_VERSION_1_3 or GL_ARB_texture_border_clamp then - fWrapS := GL_CLAMP_TO_BORDER + aTarget := GL_CLAMP_TO_BORDER else - fWrapS := GL_CLAMP; + aTarget := GL_CLAMP; end; - GL_MIRRORED_REPEAT: - begin + + 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 + 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; - 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; +begin + CheckAndSetWrap(S, fWrapS); + CheckAndSetWrap(T, fWrapT); + CheckAndSetWrap(R, fWrapR); - if ID > 0 then begin - Bind (False); + if (ID > 0) then begin + Bind(false); glTexParameteri(Target, GL_TEXTURE_WRAP_S, fWrapS); glTexParameteri(Target, GL_TEXTURE_WRAP_T, fWrapT); glTexParameteri(Target, GL_TEXTURE_WRAP_R, fWrapR); end; end; - -procedure TglBitmap.SetDataPointer(NewData: pByte; - Format: TglBitmapFormat; Width: Integer; Height: Integer); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.GetPixel(const aPos: TglBitmapPixelPosition; var aPixel: TglBitmapPixelData); begin - // Data - if Data <> NewData then begin - if (Assigned(Data)) - then FreeMem(Data); + { TODO delete? + if Assigned (fGetPixelFunc) then + fGetPixelFunc(aPos, aPixel); + } +end; - fData := NewData; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SetPixel(const aPos: TglBitmapPixelPosition; const aPixel: TglBitmapPixelData); +begin + {TODO delete? + if Assigned (fSetPixelFunc) then + fSetPixelFuc(aPos, aPixel); + } +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; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Bind(const aEnableTextureUnit: Boolean); +begin + if aEnableTextureUnit then + glEnable(Target); + if (ID > 0) then + glBindTexture(Target, ID); +end; - if Height <> -1 then begin - fDimension.Fields := fDimension.Fields + [ffY]; - fDimension.Y := Height; - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.Unbind(const aDisableTextureUnit: Boolean); +begin + if aDisableTextureUnit then + glDisable(Target); + glBindTexture(Target, 0); +end; - fInternalFormat := Format; - fPixelSize := Trunc(FormatGetSize(InternalFormat)); - fRowSize := Trunc(FormatGetSize(InternalFormat) * Self.Width); - end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create; +begin +{$IFNDEF GLB_NO_NATIVE_GL} + ReadOpenGLExtensions; +{$ENDIF} + if (ClassType = TglBitmap) then + raise EglBitmapException.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); + inherited Create; end; -{$IFDEF GLB_SUPPORT_PNG_READ} -{$IFDEF GLB_LIB_PNG} -procedure glBitmap_libPNG_read_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aFileName: String); begin - TStream(png_get_io_ptr(png)).Read(buffer^, size); + Create; + LoadFromFile(FileName); end; -{$ENDIF} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aStream: TStream); +begin + Create; + LoadFromStream(aStream); +end; -function TglBitmap.LoadPNG(Stream: TStream): Boolean; -{$IFDEF GLB_SDL_IMAGE} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat); var - Surface: PSDL_Surface; - RWops: PSDL_RWops; + Image: PByte; + ImageSize: Integer; begin - Result := False; - - RWops := glBitmapCreateRWops(Stream); + Create; + ImageSize := FORMAT_DESCRIPTORS[aFormat].GetSize(aSize); + GetMem(Image, ImageSize); try - if IMG_isPNG(RWops) > 0 then begin - Surface := IMG_LoadPNG_RW(RWops); - try - AssignFromSurface(Surface); - Result := True; - finally - SDL_FreeSurface(Surface); - end; - end; - finally - SDL_FreeRW(RWops); + FillChar(Image^, ImageSize, #$FF); + SetDataPointer(Image, aFormat, aSize.X, aSize.Y); + except + FreeMem(Image); + raise; end; end; -{$ENDIF} -{$IFDEF GLB_LIB_PNG} -var - StreamPos: Int64; - signature: array [0..7] of byte; - png: png_structp; - png_info: png_infop; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aSize: TglBitmapPixelPosition; const aFormat: TglBitmapFormat; + const aFunc: TglBitmapFunction; const aArgs: PtrInt); +begin + Create; + LoadFromFunc(aSize, aFunc, aFormat, aArgs); +end; + +{$IFDEF GLB_DELPHI} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aInstance: Cardinal; const aResource: String; const aResType: PChar); +begin + Create; + LoadFromResource(aInstance, aResource, aResType); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +constructor TglBitmap.Create(const aInstance: Cardinal; const aResourceID: Integer; const aResType: PChar); +begin + Create; + LoadFromResourceID(aInstance, aResourceID, aResType); +end; +{$ENDIF} + +{$IFDEF GLB_SUPPORT_PNG_READ} +{$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; + +{$ELSEIF DEFINED(GLB_LIB_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libPNG_read_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; +begin + TStream(png_get_io_ptr(png)).Read(buffer^, size); +end; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; +var + StreamPos: Int64; + signature: array [0..7] of byte; + png: png_structp; + png_info: png_infop; TempHeight, TempWidth: Integer; Format: TglBitmapInternalFormat; @@ -3577,7 +4115,7 @@ var png_rows: array of pByte; Row, LineSize: Integer; begin - Result := False; + result := false; if not init_libPNG then raise Exception.Create('LoadPNG - unable to initialize libPNG.'); @@ -3614,13 +4152,13 @@ begin // format case png_get_color_type(png, png_info) of PNG_COLOR_TYPE_GRAY: - Format := ifLuminance; + Format := tfLuminance8; PNG_COLOR_TYPE_GRAY_ALPHA: - Format := ifLuminanceAlpha; + Format := tfLuminance8Alpha8; PNG_COLOR_TYPE_RGB: - Format := ifRGB8; + Format := tfRGB8; PNG_COLOR_TYPE_RGB_ALPHA: - Format := ifRGBA8; + Format := tfRGBA8; else raise EglBitmapException.Create ('LoadPng - Unsupported Colortype found.'); end; @@ -3657,7 +4195,7 @@ begin // set new data SetDataPointer(png_data, Format, TempWidth, TempHeight); - Result := True; + result := true; except FreeMem(png_data); raise; @@ -3667,8 +4205,10 @@ begin quit_libPNG; end; end; -{$ENDIF} -{$IFDEF GLB_PNGIMAGE} + +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadPNG(const aStream: TStream): Boolean; var StreamPos: Int64; Png: TPNGObject; @@ -3681,7 +4221,7 @@ const PngHeader: Array[0..7] of Byte = (#137, #80, #78, #71, #13, #10, #26, #10); begin - Result := False; + result := false; StreamPos := Stream.Position; Stream.Read(Header[0], SizeOf(Header)); @@ -3746,7 +4286,7 @@ begin SetDataPointer(NewImage, Format, Png.Header.Width, Png.Header.Height); - Result := True; + result := true; except FreeMem(NewImage); raise; @@ -3756,10 +4296,175 @@ begin end; end; end; +{$IFEND} {$ENDIF} + +{$IFDEF GLB_SUPPORT_PNG_WRITE} +{$IFDEF GLB_LIB_PNG} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure glBitmap_libPNG_write_func(png: png_structp; buffer: png_bytep; size: cardinal); cdecl; +begin + TStream(png_get_io_ptr(png)).Write(buffer^, size); +end; {$ENDIF} +{$IF DEFINED(GLB_LIB_PNG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SavePNG(const aStream: TStream); +var + png: png_structp; + png_info: png_infop; + png_rows: array of pByte; + LineSize: Integer; + ColorType: Integer; + Row: Integer; +begin + if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then + raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + + if not init_libPNG then + raise Exception.Create('SavePNG - unable to initialize libPNG.'); + + try + case FInternalFormat of + ifAlpha, ifLuminance, ifDepth8: + ColorType := PNG_COLOR_TYPE_GRAY; + ifLuminanceAlpha: + ColorType := PNG_COLOR_TYPE_GRAY_ALPHA; + ifBGR8, ifRGB8: + ColorType := PNG_COLOR_TYPE_RGB; + ifBGRA8, ifRGBA8: + ColorType := PNG_COLOR_TYPE_RGBA; + else + raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + end; + LineSize := Trunc(FormatGetSize(FInternalFormat) * Width); + + // creating array for scanline + SetLength(png_rows, Height); + try + for Row := 0 to Height - 1 do begin + png_rows[Row] := Data; + Inc(png_rows[Row], Row * LineSize) + end; + + // write struct + png := png_create_write_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); + if png = nil then + raise EglBitmapException.Create('SavePng - couldn''t create write struct.'); + + // create png info + png_info := png_create_info_struct(png); + if png_info = nil then begin + png_destroy_write_struct(@png, nil); + raise EglBitmapException.Create('SavePng - couldn''t create info struct.'); + end; + + // set read callback + png_set_write_fn(png, stream, glBitmap_libPNG_write_func, nil); + + // set compression + png_set_compression_level(png, 6); + + if InternalFormat in [ifBGR8, ifBGRA8] then + png_set_bgr(png); + + png_set_IHDR(png, png_info, Width, Height, 8, ColorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); + png_write_info(png, png_info); + png_write_image(png, @png_rows[0]); + png_write_end(png, png_info); + png_destroy_write_struct(@png, @png_info); + finally + SetLength(png_rows, 0); + end; + finally + quit_libPNG; + end; +end; + +{$ELSEIF DEFINED(GLB_PNGIMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SavePNG(const aStream: TStream); +var + Png: TPNGObject; + + pSource, pDest: pByte; + X, Y, PixSize: Integer; + ColorType: Cardinal; + Alpha: Boolean; + + pTemp: pByte; + Temp: Byte; +begin + if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then + raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + + case FInternalFormat of + ifAlpha, ifLuminance, ifDepth8: begin + ColorType := COLOR_GRAYSCALE; + PixSize := 1; + Alpha := false; + end; + ifLuminanceAlpha: begin + ColorType := COLOR_GRAYSCALEALPHA; + PixSize := 1; + Alpha := true; + end; + ifBGR8, ifRGB8: begin + ColorType := COLOR_RGB; + PixSize := 3; + Alpha := false; + end; + ifBGRA8, ifRGBA8: begin + ColorType := COLOR_RGBALPHA; + PixSize := 3; + Alpha := true + end; + else + raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + end; + + Png := TPNGObject.CreateBlank(ColorType, 8, Width, Height); + try + // Copy ImageData + pSource := Data; + for Y := 0 to Height -1 do begin + pDest := png.ScanLine[Y]; + for X := 0 to Width -1 do begin + Move(pSource^, pDest^, PixSize); + Inc(pDest, PixSize); + Inc(pSource, PixSize); + if Alpha then begin + png.AlphaScanline[Y]^[X] := pSource^; + Inc(pSource); + end; + end; + + // convert RGB line to BGR + if InternalFormat in [ifRGB8, ifRGBA8] then begin + pTemp := png.ScanLine[Y]; + for X := 0 to Width -1 do begin + Temp := pByteArray(pTemp)^[0]; + pByteArray(pTemp)^[0] := pByteArray(pTemp)^[2]; + pByteArray(pTemp)^[2] := Temp; + Inc(pTemp, 3); + end; + end; + end; + + // Save to Stream + Png.CompressionLevel := 6; + Png.SaveToStream(Stream); + finally + FreeAndNil(Png); + end; +end; +{$IFEND} +{$ENDIF} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//JPEG//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// {$IFDEF GLB_LIB_JPEG} type glBitmap_libJPEG_source_mgr_ptr = ^glBitmap_libJPEG_source_mgr; @@ -3770,7 +4475,6 @@ type 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; @@ -3779,41 +4483,41 @@ type DestBuffer: array [1..4096] of byte; end; - - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ procedure glBitmap_libJPEG_error_exit(cinfo: j_common_ptr); cdecl; -//var -// Msg: String; +var + Msg: String; begin -// 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); + 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; +} - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ procedure glBitmap_libJPEG_output_message(cinfo: j_common_ptr); cdecl; -//var -// Msg: String; +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; + SetLength(Msg, 256); + cinfo^.err^.format_message(cinfo, pChar(Msg)); + Writeln('OUTPUT [' + IntToStr(cinfo^.err^.msg_code) + '] ' + Msg); + cinfo^.global_state := 0; end; +} - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ procedure glBitmap_libJPEG_init_source(cinfo: j_decompress_ptr); cdecl; begin end; +} - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// function glBitmap_libJPEG_fill_input_buffer(cinfo: j_decompress_ptr): boolean; cdecl; var src: glBitmap_libJPEG_source_mgr_ptr; @@ -3834,7 +4538,7 @@ begin result := true; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure glBitmap_libJPEG_skip_input_data(cinfo: j_decompress_ptr; num_bytes: Longint); cdecl; var src: glBitmap_libJPEG_source_mgr_ptr; @@ -3854,17 +4558,21 @@ begin end; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ procedure glBitmap_libJPEG_term_source(cinfo: j_decompress_ptr); cdecl; begin end; +} - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +{ procedure glBitmap_libJPEG_init_destination(cinfo: j_compress_ptr); cdecl; begin end; +} - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// function glBitmap_libJPEG_empty_output_buffer(cinfo: j_compress_ptr): boolean; cdecl; var dest: glBitmap_libJPEG_dest_mgr_ptr; @@ -3880,10 +4588,10 @@ begin dest^.pub.free_in_buffer := Length(dest^.DestBuffer); end; - Result := True; + result := true; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure glBitmap_libJPEG_term_destination(cinfo: j_compress_ptr); cdecl; var Idx: Integer; @@ -3898,22 +4606,22 @@ begin dest^.DestStream.Write(dest^.DestBuffer[Idx], 2); // leave - Break; + break; end else dest^.DestStream.Write(dest^.DestBuffer[Idx], 1); end; end; {$ENDIF} - {$IFDEF GLB_SUPPORT_JPEG_READ} -function TglBitmap.LoadJPEG(Stream: TStream): Boolean; -{$IFDEF GLB_SDL_IMAGE} +{$IF DEFINED(GLB_SDL_IMAGE)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; var Surface: PSDL_Surface; RWops: PSDL_RWops; begin - Result := False; + result := false; RWops := glBitmapCreateRWops(Stream); try @@ -3921,7 +4629,7 @@ begin Surface := IMG_LoadJPG_RW(RWops); try AssignFromSurface(Surface); - Result := True; + result := true; finally SDL_FreeSurface(Surface); end; @@ -3930,8 +4638,10 @@ begin SDL_FreeRW(RWops); end; end; -{$ENDIF} -{$IFDEF GLB_LIB_JPEG} + +{$ELSEIF DEFINED(GLB_LIB_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadJPEG(const aStream: TStream): Boolean; var StreamPos: Int64; Temp: array[0..1]of Byte; @@ -3946,7 +4656,7 @@ var pTemp: pByte; Row: Integer; begin - Result := False; + result := false; if not init_libJPEG then raise Exception.Create('LoadJPG - unable to initialize libJPEG.'); @@ -3991,7 +4701,7 @@ begin jpeg.global_state := DSTATE_START; // read header of jpeg - jpeg_read_header(@jpeg, False); + jpeg_read_header(@jpeg, false); // setting output parameter case jpeg.jpeg_color_space of @@ -4029,7 +4739,7 @@ begin SetDataPointer(pImage, IntFormat, TempWidth, TempHeight); - Result := True; + result := true; except FreeMem(pImage); raise; @@ -4039,15 +4749,17 @@ begin quit_libJPEG; end; end; -{$ENDIF} -{$IFDEF GLB_DELPHI_JPEG} + +{$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; + result := false; // reading first two bytes to test file and set cursor back to begin StreamPos := Stream.Position; @@ -4062,7 +4774,7 @@ begin try jpg.LoadFromStream(Stream); bmp.Assign(jpg); - Result := AssignFromBitmap(bmp); + result := AssignFromBitmap(bmp); finally jpg.Free; end; @@ -4071,20 +4783,159 @@ begin end; end; end; +{$IFEND} {$ENDIF} -{$ENDIF} - - -const - BMP_MAGIC = $4D42; - BMP_COMP_RGB = 0; - BMP_COMP_RLE8 = 1; - BMP_COMP_RLE4 = 2; - BMP_COMP_BITFIELDS = 3; +{$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; -type - TBMPHeader = packed record + procedure CopyRow(pDest, pSource: pByte); + var + X: Integer; + begin + for X := 0 to Width - 1 do begin + pByteArray(pDest)^[0] := pByteArray(pSource)^[2]; + pByteArray(pDest)^[1] := pByteArray(pSource)^[1]; + pByteArray(pDest)^[2] := pByteArray(pSource)^[0]; + Inc(pDest, 3); + Inc(pSource, 3); + end; + end; + +begin + if not (ftJPEG in FormatGetSupportedFiles(Format)) then + raise 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), $00); + + // error managment + jpeg.err := jpeg_std_error(@jpeg_err); + jpeg_err.error_exit := glBitmap_libJPEG_error_exit; + jpeg_err.output_message := glBitmap_libJPEG_output_message; + + // compression struct + jpeg_create_compress(@jpeg); + + // allocation space for streaming methods + jpeg.dest := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_dest_mgr)); + + // seeting up custom functions + with glBitmap_libJPEG_dest_mgr_ptr(jpeg.dest)^ do begin + pub.init_destination := glBitmap_libJPEG_init_destination; + pub.empty_output_buffer := glBitmap_libJPEG_empty_output_buffer; + pub.term_destination := glBitmap_libJPEG_term_destination; + + pub.next_output_byte := @DestBuffer[1]; + pub.free_in_buffer := Length(DestBuffer); + + DestStream := Stream; + end; + + // very important state + jpeg.global_state := CSTATE_START; + jpeg.image_width := Width; + jpeg.image_height := Height; + case InternalFormat of + ifAlpha, ifLuminance, ifDepth8: begin + jpeg.input_components := 1; + jpeg.in_color_space := JCS_GRAYSCALE; + end; + ifRGB8, ifBGR8: begin + jpeg.input_components := 3; + jpeg.in_color_space := JCS_RGB; + end; + end; + + jpeg_set_defaults(@jpeg); + jpeg_set_quality(@jpeg, 95, true); + jpeg_start_compress(@jpeg, true); + pTemp := Data; + + if InternalFormat = ifBGR8 then + GetMem(pTemp2, fRowSize) + else + pTemp2 := pTemp; + + try + for Row := 0 to jpeg.image_height -1 do begin + // prepare row + if InternalFormat = ifBGR8 then + CopyRow(pTemp2, pTemp) + else + pTemp2 := pTemp; + + // write row + jpeg_write_scanlines(@jpeg, @pTemp2, 1); + inc(pTemp, fRowSize); + end; + finally + // free memory + if InternalFormat = ifBGR8 then + FreeMem(pTemp2); + end; + jpeg_finish_compress(@jpeg); + jpeg_destroy_compress(@jpeg); + finally + quit_libJPEG; + end; +end; + +{$ELSEIF DEFINED(GLB_DELPHI_JPEG)} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveJPEG(Stream: TStream); +var + Bmp: TBitmap; + Jpg: TJPEGImage; +begin + if not (ftJPEG in FormatGetSupportedFiles (InternalFormat)) then + raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT); + + Bmp := TBitmap.Create; + try + Jpg := TJPEGImage.Create; + try + AssignToBitmap(Bmp); + if FInternalFormat in [ifAlpha, ifLuminance, ifDepth8] then begin + Jpg.Grayscale := true; + Jpg.PixelFormat := jf8Bit; + end; + Jpg.Assign(Bmp); + Jpg.SaveToStream(Stream); + finally + FreeAndNil(Jpg); + end; + finally + FreeAndNil(Bmp); + end; +end; +{$ENDIF} +{$ENDIF} + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//BMP///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +const + BMP_MAGIC = $4D42; + + BMP_COMP_RGB = 0; + BMP_COMP_RLE8 = 1; + BMP_COMP_RLE4 = 2; + BMP_COMP_BITFIELDS = 3; + +type + TBMPHeader = packed record bfType: Word; bfSize: Cardinal; bfReserved1: Word; @@ -4116,357 +4967,356 @@ type // TBMPPalette = record // case Boolean of -// True : (Colors: array[Byte] of TRGBQUAD); -// False: (redMask, greenMask, blueMask: Cardinal); +// true : (Colors: array[Byte] of TRGBQUAD); +// false: (redMask, greenMask, blueMask: Cardinal); // end; -function TglBitmap.LoadBMP(Stream: TStream): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadBMP(const aStream: TStream): Boolean; +type + TMaskValues = packed record + Red: Cardinal; + Green: Cardinal; + Blue: Cardinal; + Alpha: Cardinal; + end; + var - StreamPos: Int64; - Header: TBMPHeader; - Info: TBMPInfo; - NewImage, pData: pByte; + StartPos: Int64; - Format: TglBitmapFormat; - LineSize, Padding, LineIdx: Integer; - RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; + ////////////////////////////////////////////////////////////////////////////////////////////////// + function ReadInfo(var aInfo: TBMPInfo; var aMask: TMaskValues): TglBitmapFormat; + begin + result := tfEmpty; + aStream.Read(aInfo, SizeOf(aInfo)); + FillChar(aMask, SizeOf(aMask), 0); - PaddingBuff: Cardinal; + //Read Compression + if aInfo.biCompression <> BMP_COMP_RGB then begin + if aInfo.biCompression = BMP_COMP_BITFIELDS then begin + // Read Bitmasks for 16 or 32 Bit (24 Bit dosn't support Bitmasks!) + if (aInfo.biBitCount = 16) or (aInfo.biBitCount = 32) then begin + aStream.Read(aMask.Red, SizeOf(Cardinal)); + aStream.Read(aMask.Green, SizeOf(Cardinal)); + aStream.Read(aMask.Blue, SizeOf(Cardinal)); + aStream.Read(aMask.Alpha, SizeOf(Cardinal)); + end else + raise EglBitmapException.Create('Bitmask is not supported for 24bit formats'); + end else begin + aStream.Position := StartPos; + raise EglBitmapException.Create('RLE compression is not supported'); + end; + end; + //get suitable format + case aInfo.biBitCount of + 8: result := tfLuminance8; + 16: result := tfRGB5A1; + 24: result := tfBGR8; + 32: result := tfBGRA8; + end; + end; - function GetLineWidth : Integer; + ////////////////////////////////////////////////////////////////////////////////////////////////// + function CheckBitfields(var aFormat: TglBitmapFormat; const aMask: TMaskValues): TBitfieldFormat; + var + TmpFormat: TglBitmapFormat; + FormatDesc: TglBitmapFormatDescClass; begin - Result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; - end; + result := nil; + if (aMask.Red <> 0) or (aMask.Green <> 0) or (aMask.Blue <> 0) or (aMask.Alpha <> 0) then begin + for TmpFormat := High(FORMAT_DESCRIPTORS) downto Low(FORMAT_DESCRIPTORS) do begin + FormatDesc := FORMAT_DESCRIPTORS[TmpFormat]; + if FormatDesc.MaskMatch(aMask.Red, aMask.Green, aMask.Blue, aMask.Alpha) then begin + aFormat := FormatDesc.GetFormat; + exit; + end; + end; - -begin - Result := False; + if (aMask.Alpha = 0) then + aFormat := FORMAT_DESCRIPTORS[aFormat].WithoutAlpha; - RedMask := 0; - GreenMask := 0; - BlueMask := 0; - Format := ifEmpty; + result := TBitfieldFormat.Create; + result.RedMask := aMask.Red; + result.GreenMask := aMask.Green; + result.BlueMask := aMask.Blue; + result.AlphaMask := aMask.Alpha; + end; + end; - // Header - StreamPos := Stream.Position; - Stream.Read(Header, SizeOf(Header)); +var + //simple types + ImageSize, rbLineSize, wbLineSize, Padding, i: Integer; + PaddingBuff: Cardinal; + LineBuf, ImageData, TmpData: PByte; + BmpFormat: TglBitmapFormat; - if Header.bfType = BMP_MAGIC then begin - Stream.Read(Info, SizeOf(Info)); + //records + Mask: TMaskValues; + Header: TBMPHeader; + Info: TBMPInfo; - // 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; + //classes + BitfieldFormat: TBitfieldFormat; + FormatDesc: TglBitmapFormatDescClass; - Exit; - end; - end; - // Skip palette - if Info.biBitCount < 16 then - Stream.Position := Stream.Position + Info.biClrUsed * 4; + Tick: QWord; +{ - // 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 := tfRGB5A1; - end else begin - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifLuminanceAlpha) then - Format := ifLuminanceAlpha; + ImageData, pData, pTmp, LineBuf, TmpData: PByte; + BitOffset: Byte; + BmpFormat: TglBitmapFormat; + LineSize, Padding, LineIdx, PixelIdx: Integer; + RedMask, GreenMask, BlueMask, AlphaMask, FormatSize: Cardinal; - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, tfRGBA4) then - Format := tfRGBA4; - if FormatCheckFormat(RedMask, GreenMask, BlueMask, 0, tfRGB5A1) then - Format := tfRGB5A1; + Pixel: TglBitmapPixelData; + PaddingBuff: Cardinal; - 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, tfRGBA8) then - Format := tfRGBA8; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, ifBGRA8) then - Format := ifBGRA8; - - if FormatCheckFormat(RedMask, GreenMask, BlueMask, AlphaMask, tfRGB10A2) then - Format := tfRGB10A2; - 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)); + ////////////////////////////////////////////////////////////////////////////////////////////////// + procedure ReadBitfieldLine(aData: PByte; aLineBuf: PByte); + var + i: Integer; + Pixel: TglBitmapPixelData; - // Copy Image Data - for LineIdx := 0 to Info.biHeight - 1 do begin - Stream.Read(pData^, LineSize); - Dec(pData, LineSize); + //////////////////////////////////////////////////////////////////////////////////////////////// + procedure ChangeRange(var aValue: Cardinal; const aOldRange, aNewRange: Cardinal); + begin + if (aOldRange = aNewRange) then + exit; + if (aOldRange > 0) then + aValue := Round(aValue / aOldRange * aNewRange) + else + aValue := 0; + end; - Stream.Read(PaddingBuff, Padding); - end; + begin + aStream.Read(aLineBuf^, rbLineSize); + for i := 0 to Info.biWidth-1 do begin + BitfieldFormat.Unmap(PCardinal(aLineBuf)^, Pixel); //if is 16bit Bitfield only 2 last significant Bytes are taken from Cardinal + inc(aLineBuf, Info.biBitCount shr 3); + with FormatDesc.GetPixelDesc do begin + ChangeRange(Pixel.Red, BitfieldFormat.RedRange, RedRange); + ChangeRange(Pixel.Green, BitfieldFormat.GreenRange, GreenRange); + ChangeRange(Pixel.Blue, BitfieldFormat.BlueRange, BlueRange); + ChangeRange(Pixel.Alpha, BitfieldFormat.AlphaRange, AlphaRange); + end; + FormatDesc.Map(Pixel, aData); + end; + end; - // Set new Image - SetDataPointer(NewImage, Format, Info.biWidth, Info.biHeight); +begin + result := false; + BmpFormat := tfEmpty; + BitfieldFormat := nil; + LineBuf := nil; - Result := True; - except - FreeMem(NewImage); - raise; - end; + // Header + StartPos := aStream.Position; + aStream.Read(Header, SizeOf(Header)); + + if Header.bfType = BMP_MAGIC then begin + BmpFormat := ReadInfo(Info, Mask); + BitfieldFormat := CheckBitfields(BmpFormat, Mask); + try + if (Info.biBitCount < 16) then + aStream.Position := aStream.Position + Info.biClrUsed * 4; + aStream.Position := StartPos + Header.bfOffBits; + + if (BmpFormat <> tfEmpty) then begin + FormatDesc := FORMAT_DESCRIPTORS[BmpFormat]; + rbLineSize := Info.biWidth * (Info.biBitCount shr 3); //ReadBuffer LineSize + wbLineSize := Trunc(Info.biWidth * FormatDesc.GetSize); + Padding := (((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3) - rbLineSize; + + //get Memory + ImageSize := FormatDesc.GetSize(glBitmapPosition(Info.biWidth, Info.biHeight)); + GetMem(ImageData, ImageSize); + if Assigned(BitfieldFormat) then + GetMem(LineBuf, rbLineSize); //tmp Memory for converting Bitfields + + //read Data + try try + FillChar(ImageData^, ImageSize, $FF); + TmpData := ImageData; + Inc(TmpData, wbLineSize * (Info.biHeight -1)); + for i := 0 to Info.biHeight-1 do begin + if Assigned(BitfieldFormat) then + ReadBitfieldLine(TmpData, LineBuf) //if is bitfield format read and convert data + else + aStream.Read(TmpData^, wbLineSize); //else only read data + Dec(TmpData, wbLineSize); + aStream.Read(PaddingBuff, Padding); + end; + SetDataPointer(ImageData, BmpFormat, Info.biWidth, Info.biHeight); + result := true; + finally + if Assigned(LineBuf) then + FreeMem(LineBuf); + end; + except + FreeMem(ImageData); + raise; + end; + end else + raise EglBitmapException.Create('LoadBMP - No suitable format found'); + finally + FreeAndNil(BitfieldFormat); end; end - else Stream.Position := StreamPos; + else aStream.Position := StartPos; end; -{$ENDREGION} -const - DDS_MAGIC = $20534444; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveBMP(const aStream: TStream); +var + Header: TBMPHeader; + Info: TBMPInfo; + pData, pTemp: pByte; - // 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; + PixelFormat: TglBitmapPixelData; + ImageSize, LineSize, Padding, LineIdx, ColorIdx: Integer; + Temp, RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; - // DDS_header.sPixelFormat.dwFlags - DDPF_ALPHAPIXELS = $00000001; - DDPF_FOURCC = $00000004; - DDPF_INDEXED = $00000020; - DDPF_RGB = $00000040; + PaddingBuff: Cardinal; - // DDS_header.sCaps.dwCaps1 - DDSCAPS_COMPLEX = $00000008; - DDSCAPS_TEXTURE = $00001000; - DDSCAPS_MIPMAP = $00400000; + function GetLineWidth : Integer; + begin + result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; + 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; +begin + if not (ftBMP in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormatFormat.Create('SaveBMP - ' + UNSUPPORTED_FORMAT); - D3DFMT_DXT1 = $31545844; - D3DFMT_DXT3 = $33545844; - D3DFMT_DXT5 = $35545844; + ImageSize := FORMAT_DESCRIPTORS[Format].GetSize(Dimension); -type - TDDSPixelFormat = packed record - dwSize: Cardinal; - dwFlags: Cardinal; - dwFourCC: Cardinal; - dwRGBBitCount: Cardinal; - dwRBitMask: Cardinal; - dwGBitMask: Cardinal; - dwBBitMask: Cardinal; - dwAlphaBitMask: Cardinal; - end; - - TDDSCaps = packed record - dwCaps1: Cardinal; - dwCaps2: Cardinal; - dwDDSX: Cardinal; - dwReserved: Cardinal; - 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; - - - -function TglBitmap.LoadDDS(Stream: TStream): Boolean; -var - Header: TDDSHeader; - StreamPos: Int64; - Y, LineSize: Cardinal; + Header.bfType := BMP_MAGIC; + Header.bfSize := SizeOf(Header) + SizeOf(Info) + ImageSize; + Header.bfReserved1 := 0; + Header.bfReserved2 := 0; + Header.bfOffBits := SizeOf(Header) + SizeOf(Info); -// MipMapCount, X, Y, XSize, YSize: Cardinal; - RowSize: Cardinal; - NewImage, pData: pByte; - Format: TglBitmapFormat; + 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 Format of + //TODO tfAlpha8, ifLuminance8, ifDepth8: + tfLuminance8: + begin + Info.biBitCount := 8; + Header.bfSize := Header.bfSize + 256 * SizeOf(Cardinal); + Header.bfOffBits := Header.bfOffBits + 256 * SizeOf(Cardinal); - function RaiseEx : Exception; - begin - Result := EglBitmapException.Create('LoadDDS - unsupported Pixelformat found.'); + Info.biClrUsed := 256; + Info.biClrImportant := 256; + end; + //TODO ifLuminance8Alpha8, tfRGBA4, ifR5G6B5, tfRGB5A1: + tfLuminance8Alpha8, tfRGB5A1: + begin + Info.biBitCount := 16; + Info.biCompression := BMP_COMP_BITFIELDS; + end; + tfBGR8, tfRGB8: + Info.biBitCount := 24; + //TODO tfBGRA8, tfRGBA8, tfRGB10A2: + tfBGRA8, tfRGBA8: + begin + Info.biBitCount := 32; + Info.biCompression := BMP_COMP_BITFIELDS; + end; + else + raise EglBitmapUnsupportedFormatFormat.Create('SaveBMP - ' + UNSUPPORTED_FORMAT); end; + Info.biXPelsPerMeter := 2835; + Info.biYPelsPerMeter := 2835; - - function GetInternalFormat: TglBitmapFormat; - 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 - - // 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 := tfRGB5A1; - 4: Result := tfRGBA4; - else - Result := ifLuminanceAlpha; - end; - end else begin - // no Alpha - Result := ifR5G6B5; - end; - end; - 24: - begin - if dwRBitMask > dwBBitMask then - Result := ifBGR8 - else - Result := tfRGB8; - end; - 32: - begin - if GetBitSize(dwRBitMask) = 10 then - Result := tfRGB10A2 - else + // 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); - if dwRBitMask > dwBBitMask then - Result := ifBGRA8 - else - Result := tfRGBA8; - end; - else - raise RaiseEx; - end; - end else - raise RaiseEx; + FORMAT_DESCRIPTORS[Format].PreparePixel(PixelFormat); + with PixelFormat.PixelDesc do begin + RedMask := RedRange shl RedShift; + GreenMask := GreenRange shl GreenShift; + BlueMask := BlueRange shl BlueShift; + AlphaMask := AlphaRange shl AlphaShift; end; end; -begin - Result := False; - - // Header - StreamPos := Stream.Position; - Stream.Read(Header, sizeof(Header)); + // headers + aStream.Write(Header, SizeOf(Header)); + aStream.Write(Info, SizeOf(Info)); - 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; + // colortable + if Info.biBitCount = 8 then begin + Temp := 0; + for ColorIdx := Low(Byte) to High(Byte) do begin + aStream.Write(Temp, 4); + Temp := Temp + $00010101; + 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 + // 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; - // RGB(A) - if (Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS)) > 0 then begin - RowSize := Header.dwPitchOrLinearSize; + // image data + LineSize := Trunc(Width * FORMAT_DESCRIPTORS[Format].GetSize); + Padding := GetLineWidth - LineSize; + PaddingBuff := 0; - for Y := 0 to Header.dwHeight -1 do begin - Stream.Read(pData^, RowSize); - Inc(pData, LineSize); - end; - end - else raise RaiseEx; + pData := Data; + Inc(pData, (Height -1) * LineSize); - SetDataPointer(NewImage, Format, Header.dwWidth, Header.dwHeight); + // prepare row buffer. But only for RGB because RGBA supports color masks + // so it's possible to change color within the image. + if (Format = tfRGB8) then + GetMem(pTemp, fRowSize) + else + pTemp := nil; - Result := True; - except - FreeMem(NewImage); - raise; + try + // write image data + for LineIdx := 0 to Height - 1 do begin + // preparing row + if Format = tfRGB8 then begin + Move(pData^, pTemp^, fRowSize); + SwapRGB(pTemp, Width, false); + end else + pTemp := pData; + aStream.Write(pTemp^, LineSize); + Dec(pData, LineSize); + if Padding > 0 then + aStream.Write(PaddingBuff, Padding); + end; + finally + // destroy row buffer + if Format = tfRGB8 then + FreeMem(pTemp); end; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//TGA///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// type TTGAHeader = packed record ImageID: Byte; @@ -4487,9 +5337,8 @@ const TGA_COMPRESSED_RGB = 10; TGA_COMPRESSED_GRAY = 11; - - -function TglBitmap.LoadTGA(Stream: TStream): Boolean; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadTGA(const aStream: TStream): Boolean; var Header: TTGAHeader; NewImage, pData: PByte; @@ -4500,23 +5349,22 @@ var const CACHE_SIZE = $4000; + //////////////////////////////////////////////////////////////////////////////////////// procedure ReadUncompressed; var RowSize: Integer; begin RowSize := Header.Width * PixelSize; - // copy line by line while YStart <> YEnd + YInc do begin pData := NewImage; Inc(pData, YStart * LineSize); - - Stream.Read(pData^, RowSize); + aStream.Read(pData^, RowSize); Inc(YStart, YInc); end; end; - + //////////////////////////////////////////////////////////////////////////////////////// procedure ReadCompressed; var HeaderWidth, HeaderHeight: Integer; @@ -4531,7 +5379,7 @@ const PixelRepeat: Boolean; PixelToRead, TempPixels: Integer; - + ///////////////////////////////////////////////////////////////// procedure CheckLine; begin if LinePixelsRead >= HeaderWidth then begin @@ -4542,8 +5390,8 @@ const end; end; - - procedure CachedRead(var Buffer; Count: Integer); + ///////////////////////////////////////////////////////////////// + procedure CachedRead(out Buffer; Count: Integer); var BytesRead: Integer; begin @@ -4553,14 +5401,13 @@ const // Read Data if CacheSize - CachePos > 0 then begin BytesRead := CacheSize - CachePos; - Move(pByteArray(Cache)^[CachePos], Buffer, BytesRead); Inc(CachePos, BytesRead); end; // Reload Data - CacheSize := Min(CACHE_SIZE, Stream.Size - Stream.Position); - Stream.Read(Cache^, CacheSize); + CacheSize := Min(CACHE_SIZE, aStream.Size - aStream.Position); + aStream.Read(Cache^, CacheSize); CachePos := 0; // Read else @@ -4574,7 +5421,6 @@ const end; end; - begin CacheSize := 0; CachePos := 0; @@ -4596,7 +5442,7 @@ const CachedRead(Temp, 1); PixelRepeat := Temp and $80 > 0; - PixelToRead := (Temp and $7F) + 1; + PixelToRead := (Temp and $7F) + 1; Inc(ImgPixelsRead, PixelToRead); @@ -4611,36 +5457,31 @@ const 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; + 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; - Dec(TempPixels); end; end; @@ -4648,16 +5489,12 @@ const // copy x pixels while PixelToRead > 0 do begin CheckLine; - TempPixels := HeaderWidth - LinePixelsRead; if PixelToRead < TempPixels then TempPixels := PixelToRead; - CachedRead(pData^, PixelSize * TempPixels); Inc(pData, PixelSize * TempPixels); - Inc(LinePixelsRead, TempPixels); - Dec(PixelToRead, TempPixels); end; end; @@ -4668,30 +5505,30 @@ const end; begin - Result := False; + result := false; // reading header to test file and set cursor back to begin - StreamPos := Stream.Position; - Stream.Read(Header, SizeOf(Header)); + StreamPos := aStream.Position; + aStream.Read(Header, SizeOf(Header)); // 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; - else - raise EglBitmapException.Create('LoadTga - unsupported BitsPerPixel found.'); + //TODO 8: Format := tfAlpha8; + 16: Format := tfLuminance8Alpha8; + 24: Format := tfBGR8; + 32: Format := tfBGRA8; + else + raise EglBitmapException.Create('LoadTga - unsupported BitsPerPixel found.'); end; // skip image ID if Header.ImageID <> 0 then - Stream.Position := Stream.Position + Header.ImageID; + aStream.Position := aStream.Position + Header.ImageID; - PixelSize := Trunc(FormatGetSize(Format)); - LineSize := Trunc(Header.Width * PixelSize); + PixelSize := Trunc(FORMAT_DESCRIPTORS[Format].GetSize); + LineSize := Trunc(Header.Width * PixelSize); GetMem(NewImage, LineSize * Header.Height); try @@ -4715,216 +5552,320 @@ begin end; SetDataPointer(NewImage, Format, Header.Width, Header.Height); - - Result := True; + result := true; except FreeMem(NewImage); raise; end; end - else Stream.Position := StreamPos; + else aStream.Position := StreamPos; end - else Stream.Position := StreamPos; + else aStream.Position := StreamPos; end; +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveTGA(const aStream: TStream); +var + Header: TTGAHeader; + Size: Integer; + pTemp: pByte; + FormatDesc: TglBitmapFormatDescClass; -{$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} + procedure ConvertData(pTemp: pByte); + var + Idx, PixelSize: Integer; + Temp: byte; + begin + PixelSize := fPixelSize; + for Idx := 1 to Height * Width do begin + Temp := pByteArray(pTemp)^[2]; + pByteArray(pTemp)^[2] := pByteArray(pTemp)^[0]; + pByteArray(pTemp)^[0] := Temp; + Inc(pTemp, PixelSize); + end; + end; -procedure TglBitmap.SavePNG(Stream: TStream); -{$IFDEF GLB_LIB_PNG} -var - png: png_structp; - png_info: png_infop; - png_rows: array of pByte; - LineSize: Integer; - ColorType: Integer; - Row: Integer; begin - if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); - - if not init_libPNG then - raise Exception.Create('SavePNG - unable to initialize libPNG.'); + if not (ftTGA in FormatGetSupportedFiles(Format)) then + raise EglBitmapUnsupportedFormatFormat.Create('SaveTGA - ' + UNSUPPORTED_FORMAT); - try - case FInternalFormat of - ifAlpha, ifLuminance, ifDepth8: - ColorType := PNG_COLOR_TYPE_GRAY; - ifLuminanceAlpha: - ColorType := PNG_COLOR_TYPE_GRAY_ALPHA; - ifBGR8, ifRGB8: - ColorType := PNG_COLOR_TYPE_RGB; - ifBGRA8, ifRGBA8: - ColorType := PNG_COLOR_TYPE_RGBA; - else - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + FillChar(Header, SizeOf(Header), 0); + case Format of + //TODO ifAlpha8, ifLuminance8, ifDepth8: begin + tfLuminance8: begin + Header.ImageType := TGA_UNCOMPRESSED_GRAY; + Header.Bpp := 8; + end; + tfLuminance8Alpha8: begin + Header.ImageType := TGA_UNCOMPRESSED_GRAY; + Header.Bpp := 16; end; + tfRGB8, tfBGR8: begin + Header.ImageType := TGA_UNCOMPRESSED_RGB; + Header.Bpp := 24; + end; + tfRGBA8, tfBGRA8: begin + Header.ImageType := TGA_UNCOMPRESSED_RGB; + Header.Bpp := 32; + end; + else + raise EglBitmapUnsupportedFormatFormat.Create('SaveTGA - ' + UNSUPPORTED_FORMAT); + end; - LineSize := Trunc(FormatGetSize(FInternalFormat) * Width); + Header.Width := Width; + Header.Height := Height; + Header.ImageDes := $20; + FormatDesc := FORMAT_DESCRIPTORS[Format]; - // creating array for scanline - SetLength(png_rows, Height); - try - for Row := 0 to Height - 1 do begin - png_rows[Row] := Data; - Inc(png_rows[Row], Row * LineSize) - end; + if FormatDesc.HasAlpha then + Header.ImageDes := Header.ImageDes or $08; + aStream.Write(Header, SizeOf(Header)); - // write struct - png := png_create_write_struct(PNG_LIBPNG_VER_STRING, nil, nil, nil); - if png = nil then - raise EglBitmapException.Create('SavePng - couldn''t create write struct.'); + // convert RGB(A) to BGR(A) + Size := FormatDesc.GetSize(Dimension); + if Format in [tfRGB8, tfRGBA8] then begin + GetMem(pTemp, Size); + end else + pTemp := Data; - // create png info - png_info := png_create_info_struct(png); - if png_info = nil then begin - png_destroy_write_struct(@png, nil); - raise EglBitmapException.Create('SavePng - couldn''t create info struct.'); - end; + try + // convert data + if Format in [tfRGB8, tfRGBA8] then begin + Move(Data^, pTemp^, Size); + ConvertData(pTemp); + end; - // set read callback - png_set_write_fn(png, stream, glBitmap_libPNG_write_func, nil); + // write data + aStream.Write(pTemp^, Size); + finally + // free tempdata + if Format in [tfRGB8, tfRGBA8] then + FreeMem(pTemp); + end; +end; - // set compression - png_set_compression_level(png, 6); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//DDS///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +const + DDS_MAGIC = $20534444; - if InternalFormat in [ifBGR8, ifBGRA8] then - png_set_bgr(png); + // 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; - // setup header - png_set_IHDR(png, png_info, Width, Height, 8, ColorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); + // DDS_header.sPixelFormat.dwFlags + DDPF_ALPHAPIXELS = $00000001; + DDPF_FOURCC = $00000004; + DDPF_INDEXED = $00000020; + DDPF_RGB = $00000040; - // write info - png_write_info(png, png_info); + // DDS_header.sCaps.dwCaps1 + DDSCAPS_COMPLEX = $00000008; + DDSCAPS_TEXTURE = $00001000; + DDSCAPS_MIPMAP = $00400000; - // write image data - png_write_image(png, @png_rows[0]); + // 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; - // write end - png_write_end(png, png_info); + D3DFMT_DXT1 = $31545844; + D3DFMT_DXT3 = $33545844; + D3DFMT_DXT5 = $35545844; - // destroy write struct - png_destroy_write_struct(@png, @png_info); - finally - SetLength(png_rows, 0); - end; - finally - quit_libPNG; +type + TDDSPixelFormat = packed record + dwSize: Cardinal; + dwFlags: Cardinal; + dwFourCC: Cardinal; + dwRGBBitCount: Cardinal; + dwRBitMask: Cardinal; + dwGBitMask: Cardinal; + dwBBitMask: Cardinal; + dwAlphaBitMask: Cardinal; end; -end; -{$ENDIF} -{$IFDEF GLB_PNGIMAGE} + + TDDSCaps = packed record + dwCaps1: Cardinal; + dwCaps2: Cardinal; + dwDDSX: Cardinal; + dwReserved: Cardinal; + 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; + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +function TglBitmap.LoadDDS(const aStream: TStream): Boolean; var - Png: TPNGObject; + Header: TDDSHeader; + StreamPos: Int64; + Y, LineSize: Cardinal; + RowSize: Cardinal; + NewImage, pData: pByte; + ddsFormat: TglBitmapFormat; - pSource, pDest: pByte; - X, Y, PixSize: Integer; - ColorType: Cardinal; - Alpha: Boolean; + function RaiseEx : Exception; + begin + result := EglBitmapException.Create('LoadDDS - unsupported Pixelformat found.'); + end; - pTemp: pByte; - Temp: Byte; -begin - if not (ftPNG in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SavePng - ' + UNSUPPORTED_INTERNAL_FORMAT); + 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 - 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); + // 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; - Png := TPNGObject.CreateBlank(ColorType, 8, Width, Height); - try - // Copy ImageData - pSource := Data; - for Y := 0 to Height -1 do begin - pDest := png.ScanLine[Y]; +begin + result := false; - for X := 0 to Width -1 do begin - Move(pSource^, pDest^, PixSize); + // Header + StreamPos := aStream.Position; + aStream.Read(Header, sizeof(Header)); - Inc(pDest, PixSize); - Inc(pSource, PixSize); + 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; - if Alpha then begin - png.AlphaScanline[Y]^[X] := pSource^; - Inc(pSource); - end; - end; + ddsFormat := GetDDSFormat; + LineSize := Trunc(Header.dwWidth * FORMAT_DESCRIPTORS[ddsFormat].GetSize); + GetMem(NewImage, Header.dwHeight * LineSize); + try + pData := NewImage; - // convert RGB line to BGR - if InternalFormat in [ifRGB8, ifRGBA8] then begin - pTemp := png.ScanLine[Y]; + // 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 - for X := 0 to Width -1 do begin - Temp := pByteArray(pTemp)^[0]; - pByteArray(pTemp)^[0] := pByteArray(pTemp)^[2]; - pByteArray(pTemp)^[2] := Temp; + // RGB(A) + if (Header.PixelFormat.dwFlags and (DDPF_RGB or DDPF_ALPHAPIXELS)) > 0 then begin + RowSize := Header.dwPitchOrLinearSize; - Inc(pTemp, 3); - end; + for Y := 0 to Header.dwHeight -1 do begin + aStream.Read(pData^, RowSize); + Inc(pData, LineSize); end; - end; + end else + raise RaiseEx; - // Save to Stream - Png.CompressionLevel := 6; - Png.SaveToStream(Stream); - finally - FreeAndNil(Png); + SetDataPointer(NewImage, ddsFormat, Header.dwWidth, Header.dwHeight); + result := true; + except + FreeMem(NewImage); + raise; end; end; -{$ENDIF} -{$ENDIF} - -procedure TglBitmap.SaveDDS(Stream: TStream); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +procedure TglBitmap.SaveDDS(const aStream: TStream); var Header: TDDSHeader; Pix: TglBitmapPixelData; begin - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedFormatFormat.Create('SaveDDS - ' + UNSUPPORTED_INTERNAL_FORMAT); + //if not FormatIsUncompressed(InternalFormat) then + // raise EglBitmapUnsupportedFormatFormat.Create('SaveDDS - ' + UNSUPPORTED_FORMAT); - if InternalFormat = ifAlpha then - FormatPreparePixel(Pix, ifLuminance) - else - FormatPreparePixel(Pix, InternalFormat); + (* TODO if Format = tfAlpha8 then + FORMAT_DESCRIPTORS[tfLuminance8].PreparePixel(Pix); + else *) + FORMAT_DESCRIPTORS[Format].PreparePixel(Pix); // Generell FillChar(Header, SizeOf(Header), 0); - Header.dwMagic := DDS_MAGIC; - Header.dwSize := 124; + Header.dwSize := 124; Header.dwFlags := DDSD_PITCH or DDSD_CAPS or DDSD_PIXELFORMAT; if Width > 0 then begin @@ -4937,1255 +5878,289 @@ begin 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 := 1 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 EglBitmapUnsupportedFormatFormat.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; - tfRGB8, ifBGR8: - begin - Header.ImageType := TGA_UNCOMPRESSED_RGB; - Header.Bpp := 24; - end; - tfRGBA8, ifBGRA8: - begin - Header.ImageType := TGA_UNCOMPRESSED_RGB; - Header.Bpp := 32; - end; - else - raise EglBitmapUnsupportedFormatFormat.Create('SaveTGA - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; - - Header.Width := Width; - Header.Height := Height; - Header.ImageDes := $20; - - if FormatHasAlpha(InternalFormat) then - Header.ImageDes := Header.ImageDes or $08; - - Stream.Write(Header, SizeOf(Header)); - - // convert RGB(A) to BGR(A) - Size := FormatGetImageSize(glBitmapPosition(Width, Height), InternalFormat); - if InternalFormat in [tfRGB8, tfRGBA8] then begin - GetMem(pTemp, Size); - end else - pTemp := Data; - - try - // convert data - if InternalFormat in [tfRGB8, tfRGBA8] then begin - Move(Data^, pTemp^, Size); - ConvertData(pTemp); - end; - - // write data - Stream.Write(pTemp^, Size); - finally - // free tempdata - if InternalFormat in [tfRGB8, tfRGBA8] then - FreeMem(pTemp); - end; -end; - - -{$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), $00); - - // error managment - jpeg.err := jpeg_std_error(@jpeg_err); - jpeg_err.error_exit := glBitmap_libJPEG_error_exit; - jpeg_err.output_message := glBitmap_libJPEG_output_message; - - // compression struct - jpeg_create_compress(@jpeg); - - // allocation space for streaming methods - jpeg.dest := jpeg.mem^.alloc_small(@jpeg, JPOOL_PERMANENT, SizeOf(glBitmap_libJPEG_dest_mgr)); - - // seeting up custom functions - with glBitmap_libJPEG_dest_mgr_ptr(jpeg.dest)^ do begin - pub.init_destination := glBitmap_libJPEG_init_destination; - pub.empty_output_buffer := glBitmap_libJPEG_empty_output_buffer; - pub.term_destination := glBitmap_libJPEG_term_destination; - - pub.next_output_byte := @DestBuffer[1]; - pub.free_in_buffer := Length(DestBuffer); - - DestStream := Stream; - end; - - // very important state - jpeg.global_state := CSTATE_START; - - jpeg.image_width := Width; - jpeg.image_height := Height; - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - jpeg.input_components := 1; - jpeg.in_color_space := JCS_GRAYSCALE; - end; - ifRGB8, ifBGR8: - begin - jpeg.input_components := 3; - jpeg.in_color_space := JCS_RGB; - end; - end; - - // setting defaults - jpeg_set_defaults(@jpeg); - - // compression quality - jpeg_set_quality(@jpeg, 95, True); - - // start compression - jpeg_start_compress(@jpeg, true); - - // write rows - pTemp := Data; - - // initialing row - if InternalFormat = ifBGR8 then - GetMem(pTemp2, fRowSize) - else - pTemp2 := pTemp; - - try - for Row := 0 to jpeg.image_height -1 do begin - // prepare row - if InternalFormat = ifBGR8 then - CopyRow(pTemp2, pTemp) - else - pTemp2 := pTemp; - - // write row - jpeg_write_scanlines(@jpeg, @pTemp2, 1); - inc(pTemp, fRowSize); - end; - finally - // free memory - if InternalFormat = ifBGR8 then - FreeMem(pTemp2); - end; - - // finish compression - jpeg_finish_compress(@jpeg); - - // destroy compression - jpeg_destroy_compress(@jpeg); - finally - quit_libJPEG; - end; -end; -{$ENDIF} -{$IFDEF GLB_DELPHI_JPEG} -var - Bmp: TBitmap; - Jpg: TJPEGImage; -begin - if not (ftJPEG in FormatGetSupportedFiles (InternalFormat)) then - raise EglBitmapUnsupportedInternalFormat.Create('SaveJpg - ' + UNSUPPORTED_INTERNAL_FORMAT); - - Bmp := TBitmap.Create; - try - Jpg := TJPEGImage.Create; - try - AssignToBitmap(Bmp); - - if FInternalFormat in [ifAlpha, ifLuminance, ifDepth8] then begin - Jpg.Grayscale := True; - Jpg.PixelFormat := jf8Bit; - end; - - Jpg.Assign(Bmp); - - Jpg.SaveToStream(Stream); - finally - FreeAndNil(Jpg); - end; - finally - FreeAndNil(Bmp); - end; -end; -{$ENDIF} -{$ENDIF} - - -procedure TglBitmap.SaveBMP(Stream: TStream); -var - Header: TBMPHeader; - Info: TBMPInfo; - pData, pTemp: pByte; - - PixelFormat: TglBitmapPixelData; - ImageSize, LineSize, Padding, LineIdx, ColorIdx: Integer; - Temp, RedMask, GreenMask, BlueMask, AlphaMask: Cardinal; - - PaddingBuff: Cardinal; - - - function GetLineWidth : Integer; - begin - Result := ((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3; - end; - - -begin - if not (ftBMP in FormatGetSupportedFiles(InternalFormat)) then - raise EglBitmapUnsupportedFormatFormat.Create('SaveBMP - ' + UNSUPPORTED_INTERNAL_FORMAT); - - ImageSize := Trunc(Width * Height * FormatGetSize(InternalFormat)); - - 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; - case InternalFormat of - ifAlpha, ifLuminance, ifDepth8: - begin - Info.biBitCount := 8; - - Header.bfSize := Header.bfSize + 256 * SizeOf(Cardinal); - Header.bfOffBits := Header.bfOffBits + 256 * SizeOf(Cardinal); - - Info.biClrUsed := 256; - Info.biClrImportant := 256; - end; - ifLuminanceAlpha, tfRGBA4, ifR5G6B5, tfRGB5A1: - begin - Info.biBitCount := 16; - Info.biCompression := BMP_COMP_BITFIELDS; - end; - ifBGR8, tfRGB8: - Info.biBitCount := 24; - ifBGRA8, tfRGBA8, tfRGB10A2: - begin - Info.biBitCount := 32; - Info.biCompression := BMP_COMP_BITFIELDS; - end; - else - raise EglBitmapUnsupportedFormatFormat.Create('SaveBMP - ' + UNSUPPORTED_INTERNAL_FORMAT); - end; - Info.biXPelsPerMeter := 2835; - Info.biYPelsPerMeter := 2835; - - // 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); - - FormatPreparePixel(PixelFormat, InternalFormat); - - with PixelFormat.PixelDesc do begin - RedMask := RedRange shl RedShift; - GreenMask := GreenRange shl GreenShift; - BlueMask := BlueRange shl BlueShift; - AlphaMask := AlphaRange shl AlphaShift; - end; - end; - - // headers - Stream.Write(Header, SizeOf(Header)); - Stream.Write(Info, SizeOf(Info)); - - // 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; - - // 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; - - // image data - LineSize := Trunc(Width * FormatGetSize(InternalFormat)); - Padding := GetLineWidth - LineSize; - PaddingBuff := 0; - - pData := Data; - Inc(pData, (Height -1) * LineSize); - - // prepare row buffer. But only for RGB because RGBA supports color masks - // so it's possible to change color within the image. - if InternalFormat = tfRGB8 then - GetMem(pTemp, fRowSize) - else - pTemp := nil; - - try - // write image data - for LineIdx := 0 to Height - 1 do begin - // preparing row - if InternalFormat = tfRGB8 then begin - Move(pData^, pTemp^, fRowSize); - SwapRGB(pTemp, Width, False); - end else - pTemp := pData; - - Stream.Write(pTemp^, LineSize); - - Dec(pData, LineSize); - - if Padding > 0 then - Stream.Write(PaddingBuff, Padding); - end; - finally - // destroy row buffer - if InternalFormat = tfRGB8 then - FreeMem(pTemp); - end; -end; - - -procedure TglBitmap.Bind(EnableTextureUnit: Boolean); -begin - if EnableTextureUnit then - glEnable(Target); - - if ID > 0 then - glBindTexture(Target, ID); -end; - - -procedure TglBitmap.Unbind(DisableTextureUnit: Boolean); -begin - if DisableTextureUnit then - glDisable(Target); - - glBindTexture(Target, 0); -end; - - -procedure TglBitmap.GetPixel(const Pos: TglBitmapPixelPosition; - var Pixel: TglBitmapPixelData); -begin - if Assigned (fGetPixelFunc) then - fGetPixelFunc(Pos, Pixel); -end; - - -procedure TglBitmap.SetPixel (const Pos: TglBitmapPixelPosition; - const Pixel: TglBitmapPixelData); -begin - if Assigned (fSetPixelFunc) then - fSetPixelFunc(Pos, Pixel); -end; - - - - - - -function TglBitmap.FlipHorz: Boolean; -begin - Result := False; -end; - - -function TglBitmap.FlipVert: Boolean; -begin - Result := False; -end; - - -procedure TglBitmap.FreeData; -begin - SetDataPointer(nil, ifEmpty); -end; - - -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; - end; -end; - - -procedure TglBitmap.FillWithColor(Red, Green, Blue: Byte; Alpha: Byte); -begin - FillWithColorFloat(Red / $FF, Green / $FF, Blue / $FF, Alpha / $FF); -end; - - -procedure TglBitmap.FillWithColorFloat(Red, Green, Blue: Single; Alpha: Single); -var - PixelData: TglBitmapPixelData; -begin - FormatPreparePixel(PixelData, InternalFormat); - - 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))); - - AddFunc(glBitmapFillWithColorFunc, False, @PixelData); -end; - - -procedure TglBitmap.FillWithColorRange(Red, Green, Blue: Cardinal; - Alpha: Cardinal); -var - PixelData: TglBitmapPixelData; -begin - FormatPreparePixel(PixelData, FormatGetWithAlpha(InternalFormat)); - - FillWithColorFloat( - Red / PixelData.PixelDesc.RedRange, - Green / PixelData.PixelDesc.GreenRange, - Blue / PixelData.PixelDesc.BlueRange, - Alpha / PixelData.PixelDesc.AlphaRange); -end; - - - -procedure TglBitmap.SetInternalFormat(const aValue: TglBitmapFormat); -begin - if InternalFormat <> Value then begin - if FormatGetSize(Value) <> FormatGetSize(InternalFormat) then - raise EglBitmapUnsupportedFormatFormat.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: TglBitmapFormat; CustomData: Pointer): boolean; -var - pDest, NewImage, pSource: pByte; - TempHeight, TempWidth: Integer; - MapFunc: TglBitmapMapFunc; - UnMapFunc: TglBitmapUnMapFunc; - - FuncRec: TglBitmapFunctionRec; -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; - - 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; - 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; - end; - end; -end; - - -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; - - if Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Source.Alpha; - 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); - - if Source.PixelDesc.GreenRange > 0 then - Dest.Green := Round(Dest.PixelDesc.GreenRange * Source.Green / Source.PixelDesc.GreenRange); - - if Source.PixelDesc.BlueRange > 0 then - Dest.Blue := Round(Dest.PixelDesc.BlueRange * Source.Blue / Source.PixelDesc.BlueRange); - - if Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Round(Dest.PixelDesc.AlphaRange * Source.Alpha / Source.PixelDesc.AlphaRange); - end; -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; - - if Source.PixelDesc.BlueRange > 0 then - Dest.Blue := Source.Blue shr BlueShift; - - if Source.PixelDesc.AlphaRange > 0 then - Dest.Alpha := Source.Alpha shr AlphaShift; - end; -end; - - -function TglBitmap.ConvertTo(NewFormat: TglBitmapFormat): boolean; -var - Source, Dest: TglBitmapPixelData; - PixelDesc: TglBitmapPixelDesc; - - 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; - - 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; - - function GetShift(Source, Dest: Cardinal) : ShortInt; - begin - Result := 0; - - while (Source > Dest) and (Source > 0) do begin - Inc(Result); - Source := Source shr 1; - end; - end; - -begin - if NewFormat <> InternalFormat then begin - FormatPreparePixel(Source, InternalFormat); - FormatPreparePixel(Dest, NewFormat); - - 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); - - Result := AddFunc(Self, glBitmapConvertShiftRGBAFunc, False, NewFormat, @PixelDesc); - end - else Result := AddFunc(Self, glBitmapConvertCalculateRGBAFunc, False, NewFormat); - end - else Result := True; -end; - - -function TglBitmap.RemoveAlpha: Boolean; -begin - Result := False; - - if (Assigned(Data)) then begin - if not (FormatIsUncompressed(InternalFormat) or FormatHasAlpha(InternalFormat)) then - raise EglBitmapUnsupportedFormatFormat.Create('RemoveAlpha - ' + UNSUPPORTED_INTERNAL_FORMAT); - - Result := ConvertTo(FormatGetWithoutAlpha(InternalFormat)); - end; -end; - - -function TglBitmap.AddAlphaFromFunc(Func: TglBitmapFunction; CustomData: Pointer): boolean; -begin - if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedFormatFormat.Create('AddAlphaFromFunc - ' + UNSUPPORTED_INTERNAL_FORMAT); - - Result := AddFunc(Self, Func, False, FormatGetWithAlpha(InternalFormat), CustomData); -end; - - -function TglBitmap.GetFileHeight: Integer; -begin - Result := Max(1, Height); -end; - - -function TglBitmap.GetFileWidth: Integer; -begin - Result := Max(1, Width); -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; - - Dest.Alpha := Round (Dest.PixelDesc.AlphaRange * Temp); - end; -end; - - -function TglBitmap.AddAlphaFromglBitmap(glBitmap: TglBitmap; Func: TglBitmapFunction; CustomData: Pointer): boolean; -var - pDest, pDest2, pSource: pByte; - TempHeight, TempWidth: Integer; - MapFunc: TglBitmapMapFunc; - DestUnMapFunc, UnMapFunc: TglBitmapUnMapFunc; - - FuncRec: TglBitmapFunctionRec; -begin - Result := False; - - assert(Assigned(Data)); - assert(Assigned(glBitmap)); - assert(Assigned(glBitmap.Data)); - - if ((glBitmap.Width = Width) and (glBitmap.Height = Height)) then begin - // Convert to Data with Alpha - Result := ConvertTo(FormatGetWithAlpha(FormatGetUncompressed(InternalFormat))); - - if not Assigned(Func) then - Func := glBitmapAlphaFunc; - - // Values - TempHeight := glBitmap.FileHeight; - TempWidth := glBitmap.FileWidth; - - FuncRec.Sender := Self; - FuncRec.CustomData := CustomData; - - pDest := Data; - pDest2 := Data; - pSource := glBitmap.Data; - - // Mapping - FormatPreparePixel(FuncRec.Dest, InternalFormat); - FormatPreparePixel(FuncRec.Source, glBitmap.InternalFormat); - MapFunc := FormatGetMapFunc(InternalFormat); - DestUnMapFunc := FormatGetUnMapFunc(InternalFormat); - UnMapFunc := FormatGetUnMapFunc(glBitmap.InternalFormat); - - FuncRec.Size := Dimension; - FuncRec.Position.Fields := FuncRec.Size.Fields; - - 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); - end; - end; -end; - - -procedure TglBitmap.SetBorderColor(Red, Green, Blue, Alpha: Single); -begin - fBorderColor[0] := Red; - fBorderColor[1] := Green; - fBorderColor[2] := Blue; - fBorderColor[3] := Alpha; - - if ID > 0 then begin - Bind (False); - - glTexParameterfv(Target, GL_TEXTURE_BORDER_COLOR, @fBorderColor[0]); - end; -end; - - -{ TglBitmap2D } - -procedure TglBitmap2D.SetDataPointer(Data: pByte; Format: TglBitmapFormat; Width, Height: Integer); -var - Idx, LineWidth: Integer; -begin - inherited; - - // Format - if FormatIsUncompressed(Format) then begin - fUnmapFunc := FormatGetUnMapFunc(Format); - fGetPixelFunc := GetPixel2DUnmap; - - fMapFunc := FormatGetMapFunc(Format); - fSetPixelFunc := SetPixel2DUnmap; - - // Assigning Data - if Assigned(Data) then begin - SetLength(fLines, GetHeight); - - LineWidth := Trunc(GetWidth * FormatGetSize(InternalFormat)); - - 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); - - fSetPixelFunc := nil; - - case Format of - ifDXT1: - fGetPixelFunc := GetPixel2DDXT1; - ifDXT3: - fGetPixelFunc := GetPixel2DDXT3; - ifDXT5: - fGetPixelFunc := GetPixel2DDXT5; - else - fGetPixelFunc := nil; - end; - end; -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; - -var - BasePtr: pDXT1Chunk; - PixPos: Integer; - Colors: array [0..3] of TRGBQuad; -begin - BasePtr := pDXT1Chunk(pData); - - 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; - - 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; - - 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; - 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; - - Pixel.Red := Colors[PixPos].rgbRed; - Pixel.Green := Colors[PixPos].rgbGreen; - Pixel.Blue := Colors[PixPos].rgbBlue; - Pixel.Alpha := Colors[PixPos].rgbReserved; -end; - - -procedure TglBitmap2D.GetPixel2DDXT1(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); -var - BasePtr: pByte; - PosX, PosY: Integer; -begin - inherited; - - if (Pos.Y <= Height) and (Pos.X <= Width) then begin - PosX := Pos.X div 4; - PosY := Pos.Y div 4; - - BasePtr := Data; - Inc(BasePtr, (PosY * Width div 4 + PosX) * 8); - - GetDXTColorBlock(BasePtr, Pos.X - PosX * 4, Pos.Y - PosY * 4, Pixel); - end; -end; - - -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); - - // extracting alpha - Pixel.Alpha := AlphaPtr^[relY] shr (4 * relX) and $0F shl 4; - end; -end; - - -procedure TglBitmap2D.GetPixel2DDXT5(const Pos: TglBitmapPixelPosition; var Pixel: TglBitmapPixelData); -var - ColorPtr: pByte; - AlphaPtr: PInt64; - PixPos, PosX, PosY, relX, relY: Integer; - Alpha0, Alpha1: Byte; -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 := PInt64(Data); - Inc(AlphaPtr, (PosY * Width div 4 + PosX) * 2); - - ColorPtr := pByte(AlphaPtr); - Inc(ColorPtr, 8); - - GetDXTColorBlock(ColorPtr, relX, relY, Pixel); - - // extracting alpha - Alpha0 := AlphaPtr^ and $FF; - Alpha1 := AlphaPtr^ shr 8 and $FF; - - PixPos := AlphaPtr^ shr (16 + (relY * 4 + relX) * 3) and $07; - - // use alpha 0 - if PixPos = 0 then begin - Pixel.Alpha := Alpha0; - end else - - // use alpha 1 - if PixPos = 1 then begin - Pixel.Alpha := Alpha1; - end else - - // alpha interpolate 7 Steps - if Alpha0 > Alpha1 then begin - Pixel.Alpha := ((8 - PixPos) * Alpha0 + (PixPos - 1) * Alpha1) div 7; - end else - - // alpha is 100% transparent or not transparent - if PixPos >= 6 then begin - if PixPos = 6 then - Pixel.Alpha := 0 - else - Pixel.Alpha := 255; - end else - - // 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; - - -procedure TglBitmap2D.SetPixel2DUnmap(const Pos: TglBitmapPixelPosition; const Pixel: TglBitmapPixelData); -var - pTemp: pByte; -begin - pTemp := fLines[Pos.Y]; - Inc(pTemp, Pos.X * fPixelSize); - - fMapFunc(Pixel, pTemp); -end; - - -function TglBitmap2D.FlipHorz: Boolean; -var - Col, Row: Integer; - pTempDest, pDest, pSource: pByte; - ImgSize: Integer; -begin - Result := Inherited FlipHorz; - - if Assigned(Data) then begin - pSource := Data; - ImgSize := Height * fRowSize; + Header.dwPitchOrLinearSize := fRowSize; + Header.dwMipMapCount := 1; - GetMem(pDest, ImgSize); - try - pTempDest := pDest; + // Caps + Header.Caps.dwCaps1 := DDSCAPS_TEXTURE; - 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); + // Pixelformat + Header.PixelFormat.dwSize := Sizeof(Header.PixelFormat); + Header.PixelFormat.dwFlags := DDPF_RGB; - Inc(pSource, fPixelSize); - Dec(pTempDest, fPixelSize); - end; - end; + (* TODO tfAlpha8 + if FORMAT_DESCRIPTORS[Format].HasAlpha and (Format <> tfAlpha8) then + Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS; + *) - SetDataPointer(pDest, InternalFormat); + Header.PixelFormat.dwRGBBitCount := Trunc(FORMAT_DESCRIPTORS[Format].GetSize * 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; - Result := True; - except - FreeMem(pDest); - raise; - end; - end; + aStream.Write(Header, SizeOf(Header)); + aStream.Write(Data^, FORMAT_DESCRIPTORS[Format].GetSize(Dimension)); end; +{$ENDREGION} +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//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; - - Inc(pTempDest, Width * (Height -1) * fPixelSize); + inherited SetDataPointer(aData, aFormat, aWidth, aHeight); - 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 * FORMAT_DESCRIPTORS[Format].GetSize); - 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 + FormatDescriptor: TglBitmapFormatDescClass; + FormatDesc: TglBitmapFormatDesc; 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) + FormatDescriptor := FORMAT_DESCRIPTORS[Format]; + FormatDesc := FormatDescriptor.GetFormatDesc; + if aBuildWithGlu then + gluBuild2DMipmaps(aTarget, FormatDescriptor.GetColorCompCount, Width, Height, + FormatDesc.Format, FormatDesc.DataType, Data) else - glTexImage2D(Target, 0, InternalFormat, Width, Height, 0, Format, Typ, Data); + glTexImage2D(aTarget, 0, FormatDesc.InternalFormat, Width, Height, 0, + FormatDesc.Format, FormatDesc.DataType, 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: TglBitmapFormatDescClass; + glFormatDesc: TglBitmapFormatDesc; +begin + (* TODO compression + if not FormatIsUncompressed(Format) then + raise EglBitmapUnsupportedFormatFormat.Create('TglBitmap2D.GrabScreen - ' + UNSUPPORTED_FORMAT); + *) + + w := aRight - aLeft; + h := aBottom - aTop; + FormatDesc := FORMAT_DESCRIPTORS[Format]; + glFormatDesc := FormatDesc.GetFormatDesc; + Size := FormatDesc.GetSize(glBitmapPosition(w, h)); + GetMem(Temp, Size); + try + glPixelStorei(GL_PACK_ALIGNMENT, 1); + glReadPixels(aLeft, aTop, w, h, glFormatDesc.Format, glFormatDesc.DataType, Temp); + SetDataPointer(Temp, Format, w, h); + 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: TglBitmapFormat; + FormatDesc: TglBitmapFormatDescClass; +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); + + IntFormat := tfEmpty; + for FormatDesc in FORMAT_DESCRIPTORS do + if (FormatDesc.GetFormatDesc.InternalFormat = TempIntFormat) then begin + IntFormat := FormatDesc.GetFormat; + break; + end; + + // Getting data from OpenGL + GetMem(Temp, FormatDesc.GetSize(glBitmapPosition(TempWidth, TempHeight))); + try + (* TODO Compression + if FormatIsCompressed(IntFormat) and (GL_VERSION_1_3 or GL_ARB_texture_compression) then + glGetCompressedTexImage(Target, 0, Temp) + else + *) + with FormatDesc.GetFormatDesc do + glGetTexImage(Target, 0, InternalFormat, DataType, 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; @@ -6203,24 +6178,25 @@ type const oneover255 = 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; + PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Val * oneover255; 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.Alpha * oneover255; end; - +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// procedure glBitmapToNormalMapFunc (var FuncRec: TglBitmapFunctionRec); type TVec = Array[0..2] of Single; @@ -6235,14 +6211,13 @@ 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; @@ -6271,8 +6246,8 @@ begin 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; @@ -6286,253 +6261,134 @@ var end; begin + (* TODO Compression if not FormatIsUncompressed(InternalFormat) then - raise EglBitmapUnsupportedFormatFormat.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 FORMAT_DESCRIPTORS[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: TglBitmapFormat); -var - Temp: pByte; - Size: Integer; - glFormat, glInternalFormat, glType: Cardinal; -begin - if not FormatIsUncompressed(Format) then - raise EglBitmapUnsupportedFormatFormat.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: TglBitmapFormat; -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 := tfRGB8; - GL_RGBA, GL_RGBA4, GL_RGBA8: - begin - if (RedSize = 4) and (BlueSize = 4) and (GreenSize = 4) and (AlphaSize = 4) then begin - IntFormat := tfRGBA4; - 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 := tfRGB5A1; - TempIntFormat := GL_BGRA; - TempType := GL_UNSIGNED_SHORT_1_5_5_5_REV; - end else begin - IntFormat := tfRGBA8; - 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; @@ -6575,7 +6431,7 @@ var Col: Integer; pTempDest, pDest, pSource: pByte; begin - Result := Inherited FlipHorz; + result := inherited FlipHorz; if Assigned(Data) and FormatIsUncompressed(InternalFormat) then begin pSource := Data; @@ -6594,7 +6450,7 @@ begin SetDataPointer(pDest, InternalFormat); - Result := True; + result := true; finally FreeMem(pDest); end; @@ -6650,7 +6506,7 @@ begin UploadData(Target, glFormat, glInternalFormat, glType, BuildWithGlu); // Infos sammeln - glAreTexturesResident(1, @ID, @fIsResident); + glAreTexturesResident(1, @fID, @fIsResident); end; end; @@ -6724,7 +6580,7 @@ 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; @@ -6849,7 +6705,7 @@ var begin Rec.HalfSize := Size div 2; - FreeDataAfterGenTexture := False; + FreeDataAfterGenTexture := false; SizeRec.Fields := [ffX, ffY]; SizeRec.X := Size; @@ -6885,6 +6741,7 @@ begin LoadFromFunc (SizeRec, glBitmapNormalMapFunc, ifBGR8, @Rec); GenerateCubeMap(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, TestTextureSize); end; +*) initialization glBitmapSetDefaultFormat(tfEmpty); -- 2.1.4