EglBitmapUnsupportedFormatFormat = class(EglBitmapException);
////////////////////////////////////////////////////////////////////////////////////////////////////
- TglBitmapPixelDesc = packed record
- RedRange: Cardinal;
- RedShift: Shortint;
- GreenRange: Cardinal;
- GreenShift: Shortint;
- BlueRange: Cardinal;
- BlueShift: Shortint;
- AlphaRange: Cardinal;
- AlphaShift: Shortint;
- end;
- PglBitmapPixelDesc = ^TglBitmapPixelDesc;
+ TglBitmapFormat = (
+ tfEmpty = 0,
+
+ tfAlpha4,
+ tfAlpha8,
+ tfAlpha12,
+ tfAlpha16,
+
+ tfLuminance4,
+ tfLuminance8,
+ tfLuminance12,
+ tfLuminance16,
+
+ tfLuminance4Alpha4,
+ tfLuminance6Alpha2,
+ tfLuminance8Alpha8,
+ tfLuminance12Alpha4,
+ tfLuminance12Alpha12,
+ tfLuminance16Alpha16,
+
+ tfR3G3B2,
+ tfRGB4,
+ tfR5G6B5,
+ tfRGB5,
+ tfRGB8,
+ tfRGB10,
+ tfRGB12,
+ tfRGB16,
+
+ tfRGBA2,
+ tfRGBA4,
+ tfRGB5A1,
+ tfRGBA8,
+ tfRGB10A2,
+ tfRGBA12,
+ tfRGBA16,
+
+ tfBGR4,
+ tfB5G6R5,
+ tfBGR5,
+ tfBGR8,
+ tfBGR10,
+ tfBGR12,
+ tfBGR16,
+
+ tfBGRA2,
+ tfBGRA4,
+ tfBGR5A1,
+ tfBGRA8,
+ tfBGR10A2,
+ tfBGRA12,
+ tfBGRA16,
+
+ tfDepth16,
+ tfDepth24,
+ tfDepth32
+ );
+
+ TglBitmapFileType = (
+ {$IFDEF GLB_SUPPORT_PNG_WRITE} ftPNG, {$ENDIF}
+ {$IFDEF GLB_SUPPORT_JPEG_WRITE}ftJPEG, {$ENDIF}
+ ftDDS,
+ ftTGA,
+ ftBMP);
+ TglBitmapFileTypes = set of TglBitmapFileType;
+
+ TglBitmapMipMap = (
+ mmNone,
+ mmMipmap,
+ mmMipmapGlu);
+
+ TglBitmapNormalMapFunc = (
+ nm4Samples,
+ nmSobel,
+ nm3x3,
+ nm5x5);
////////////////////////////////////////////////////////////////////////////////////////////////////
- TglBitmapPixelData = packed record
- Red: Cardinal;
- Green: Cardinal;
- Blue: Cardinal;
- Alpha: Cardinal;
- PixelDesc: TglBitmapPixelDesc;
+ TglBitmapColorRec = packed record
+ case Integer of
+ 0: (r, g, b, a: Cardinal);
+ 1: (arr: array[0..3] of Cardinal);
end;
-////////////////////////////////////////////////////////////////////////////////////////////////////
- TglBitmapFormatDesc = packed record
- Format: Cardinal;
- InternalFormat: Cardinal;
- DataType: Cardinal;
+ TglBitmapPixelData = packed record
+ Data, Range: TglBitmapColorRec;
+ Format: TglBitmapFormat;
end;
+ PglBitmapPixelData = ^TglBitmapPixelData;
////////////////////////////////////////////////////////////////////////////////////////////////////
TglBitmapPixelPositionFields = set of (ffX, ffY);
end;
TglBitmapFunction = procedure(var FuncRec: TglBitmapFunctionRec);
-////////////////////////////////////////////////////////////////////////////////////////////////////
- TglBitmapFileType = (
- {$IFDEF GLB_SUPPORT_PNG_WRITE} ftPNG, {$ENDIF}
- {$IFDEF GLB_SUPPORT_JPEG_WRITE}ftJPEG, {$ENDIF}
- ftDDS,
- ftTGA,
- ftBMP);
- TglBitmapFileTypes = set of TglBitmapFileType;
-
- TglBitmapMipMap = (
- mmNone,
- mmMipmap,
- mmMipmapGlu);
-
- TglBitmapNormalMapFunc = (
- nm4Samples,
- nmSobel,
- nm3x3,
- nm5x5);
-
- TglBitmapFormat = (
- tfEmpty = 0,
- //TODO
- //tfAlpha4,
- //tfAlpha8,
- //tfAlpha12,
- //tfAlpha16,
-
- //tfLuminance4,
- tfLuminance8,
- //tfLuminance12,
- //tfLuminance16,
- //
- //tfuminance4Alpha4,
- //tfLuminance6Alpha2,
- tfLuminance8Alpha8,
- //tfLuminance12Alpha4,
- //tfLuminance12Alpha12,
- //tfLuminance16Alpha16,
-
- //tfR3G3B2,
- //tfRGB4,
- tfRGB5,
- tfRGB8,
- //tfRGB10,
- //tfRGB12,
- //tfRGB16,
-
- //tfRGBA2,
- //tfRGBA4,
- tfRGB5A1,
- tfRGBA8,
- //tfRGB10A2,
- //tfRGBA12,
- //tfRGBA16,
-
- //tfBGR4,
- //tfBGR5,
- tfBGR8,
- //tfBGR10,
- //tfBGR12,
- //tfBGR16,
-
- //tfBGRA2,
- //tfBGRA4,
- //tfBGR5A1,
- tfBGRA8
- //tfBGR10A2,
- //tfBGRA12,
- //tfBGRA16,
-
- //tfDepth16,
- //tfDepth24,
- //tfDepth32
- );
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
- 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);
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
- TglBitmapFormatDescriptor = class(TObject)
- public
- //virtual abstract
- class function GetFormat: TglBitmapFormat; virtual; abstract;
- class function GetPixelDesc: TglBitmapPixelDesc; virtual; abstract;
- class function GetFormatDesc: TglBitmapFormatDesc; 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;
-
- class procedure PreparePixel(var aPixel: TglBitmapPixelData); virtual;
-
- (* TODO
- function FormatIsCompressed(Format: TglBitmapInternalFormat): boolean;
- function FormatIsUncompressed(Format: TglBitmapInternalFormat): boolean;
- function LoadTexture(Filename: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$ENDIF}): Boolean;
- function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$ENDIF}): Boolean;
- function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean;
- *)
- end;
- TglBitmapFormatDescClass = class of TglBitmapFormatDescriptor;
-
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
TglBitmap = class
protected
// Mapping
fPixelSize: Integer;
fRowSize: Integer;
- //TODO delete? fUnmapFunc: TglBitmapUnMapFunc;
- //TODO delete? fMapFunc: TglBitmapMapFunc;
// Filtering
fFilterMin: Cardinal;
fWrapT: Cardinal;
fWrapR: Cardinal;
- //TODO delete? fGetPixelFunc: TglBitmapGetPixel;
- //TODO delete? fSetPixelFunc: TglBitmapSetPixel;
-
// CustomData
fFilename: String;
fCustomName: String;
procedure glBitmapGetDefaultTextureWrap(var S, T, R: Cardinal);
function glBitmapPosition(X: Integer = -1; Y: Integer = -1): TglBitmapPixelPosition;
+function glBitmapColorRec(const r, g, b, a: Cardinal): TglBitmapColorRec;
+function glBitmapColorRecCmp(const r1, r2: TglBitmapColorRec): Boolean;
var
glBitmapDefaultDeleteTextureOnFree: Boolean;
implementation
+
+ (* TODO
+ function FormatIsCompressed(Format: TglBitmapInternalFormat): boolean;
+ function FormatIsUncompressed(Format: TglBitmapInternalFormat): boolean;
+ function LoadTexture(Filename: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$ENDIF}): Boolean;
+ function LoadCubeMap(PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ: String; var Texture: Cardinal{$IFDEF GLB_DELPHI}; LoadFromRes : Boolean; Instance: Cardinal = 0{$ENDIF}): Boolean;
+ function LoadNormalMap(Size: Integer; var Texture: Cardinal): Boolean;
+ *)
+
uses
- Math;
+ Math, syncobjs;
type
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TBitfieldFormat = class(TObject)
+////////////////////////////////////////////////////////////////////////////////////////////////////
+ TShiftRec = packed record
+ case Integer of
+ 0: (r, g, b, a: Byte);
+ 1: (arr: array[0..3] of Byte);
+ end;
+
+ TFormatDescriptor = 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);
+ function GetRedMask: UInt64;
+ function GetGreenMask: UInt64;
+ function GetBlueMask: UInt64;
+ function GetAlphaMask: UInt64;
+ protected
+ fFormat: TglBitmapFormat;
+ fWithAlpha: TglBitmapFormat;
+ fWithoutAlpha: TglBitmapFormat;
+ fRGBInverted: TglBitmapFormat;
+ fPixelSize: Single;
+
+ fRange: TglBitmapColorRec;
+ fShift: TShiftRec;
+
+ fglFormat: Cardinal;
+ fglInternalFormat: Cardinal;
+ fglDataFormat: Cardinal;
+
+ function GetComponents: Integer; virtual;
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 Format: TglBitmapFormat read fFormat;
+ property WithAlpha: TglBitmapFormat read fWithAlpha;
+ property WithoutAlpha: TglBitmapFormat read fWithoutAlpha;
+ property RGBInverted: TglBitmapFormat read fRGBInverted;
+ property Components: Integer read GetComponents;
+ property PixelSize: Single read fPixelSize;
+
+ property glFormat: Cardinal read fglFormat;
+ property glInternalFormat: Cardinal read fglInternalFormat;
+ property glDataFormat: Cardinal read fglDataFormat;
- 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 Range: TglBitmapColorRec read fRange;
+ property Shift: TShiftRec read fShift;
- 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 RedMask: UInt64 read GetRedMask;
+ property GreenMask: UInt64 read GetGreenMask;
+ property BlueMask: UInt64 read GetBlueMask;
+ property AlphaMask: UInt64 read GetAlphaMask;
- property Size: Integer read GetSize;
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); virtual; abstract;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); virtual; abstract;
- 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;
+ function GetSize(const aSize: TglBitmapPixelPosition): Integer; virtual; overload;
+ function GetSize(const aWidth, aHeight: Integer): Integer; virtual; overload;
+
+ function CreateMappingData: Pointer; virtual;
+ procedure FreeMappingData(var aMappingData: Pointer); virtual;
+
+ function IsEmpty: Boolean; virtual;
+ function HasAlpha: Boolean; virtual;
+ function MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: UInt64): Boolean; virtual;
+
+ procedure PreparePixel(var aPixel: TglBitmapPixelData); virtual;
+
+ constructor Create; virtual;
+ public
+ class procedure Init;
+ class function Get(const aFormat: TglBitmapFormat): TFormatDescriptor;
+ class function GetWithAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor;
+ class procedure Clear;
+ class procedure Finalize;
end;
+ TFormatDescriptorClass = class of TFormatDescriptor;
+
+ TfdEmpty = class(TFormatDescriptor);
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TfdEmpty = class(TglBitmapFormatDescriptor)
- public
- class function GetFormat: TglBitmapFormat; override;
- class function GetPixelDesc: TglBitmapPixelDesc; override;
- class function GetFormatDesc: TglBitmapFormatDesc; override;
+ TfdAlpha_UB1 = class(TFormatDescriptor) //1* unsigned byte
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
+ TfdLuminance_UB1 = class(TFormatDescriptor) //1* unsigned byte
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
end;
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TfdLuminance8 = class(TglBitmapFormatDescriptor)
- public
- class function GetFormat: TglBitmapFormat; override;
- class function GetPixelDesc: TglBitmapPixelDesc; override;
- class function GetFormatDesc: TglBitmapFormatDesc; override;
- class function WithAlpha: TglBitmapFormat; override;
+ TfdUniversal_UB1 = class(TFormatDescriptor) //1* unsigned byte
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
+ TfdLuminanceAlpha_UB2 = class(TfdLuminance_UB1) //2* unsigned byte
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
end;
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TfdLuminance8Alpha8 = class(TglBitmapFormatDescriptor)
- public
- class function GetFormat: TglBitmapFormat; override;
- class function GetPixelDesc: TglBitmapPixelDesc; override;
- class function GetFormatDesc: TglBitmapFormatDesc; override;
- class function WithoutAlpha: TglBitmapFormat; override;
+ TfdRGB_UB3 = class(TFormatDescriptor) //3* unsigned byte
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
- end;
+ TfdBGR_UB3 = class(TFormatDescriptor) //3* unsigned byte (inverse)
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; 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;
+ TfdRGBA_UB4 = class(TfdRGB_UB3) //4* unsigned byte
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
+ TfdBGRA_UB4 = class(TfdBGR_UB3) //4* unsigned byte (inverse)
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TfdRGB8 = class(TglBitmapFormatDescriptor)
- public
- class function GetFormat: TglBitmapFormat; override;
- class function GetPixelDesc: TglBitmapPixelDesc; override;
- class function GetFormatDesc: TglBitmapFormatDesc; override;
- class function WithAlpha: TglBitmapFormat; override;
+ TfdAlpha_US1 = class(TFormatDescriptor) //1* unsigned short
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
+
+ TfdLuminance_US1 = class(TFormatDescriptor) //1* unsigned short
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
+
+ TfdUniversal_US1 = class(TFormatDescriptor) //1* unsigned short
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
+
+ TfdDepth_US1 = class(TFormatDescriptor) //1* unsigned short
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
+
+ TfdLuminanceAlpha_US2 = class(TfdLuminance_US1) //2* unsigned short
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
+
+ TfdRGB_US3 = class(TFormatDescriptor) //3* unsigned short
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
+
+ TfdBGR_US3 = class(TFormatDescriptor) //3* unsigned short (inverse)
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
+ TfdRGBA_US4 = class(TfdRGB_US3) //4* unsigned short
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
+
+ TfdBGRA_US4 = class(TfdBGR_US3) //4* unsigned short (inverse)
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TfdRGB5A1 = class(TglBitmapFormatDescriptor)
- public
- class function GetFormat: TglBitmapFormat; override;
- class function GetPixelDesc: TglBitmapPixelDesc; override;
- class function GetFormatDesc: TglBitmapFormatDesc; override;
- class function WithoutAlpha: TglBitmapFormat; override;
+ TfdUniversal_UI1 = class(TFormatDescriptor) //1* unsigned int
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
+ end;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
+ TfdDepth_UI1 = class(TFormatDescriptor) //1* unsigned int
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ constructor Create; override;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TfdRGBA8 = class(TglBitmapFormatDescriptor)
- public
- class function GetFormat: TglBitmapFormat; override;
- class function GetPixelDesc: TglBitmapPixelDesc; override;
- class function GetFormatDesc: TglBitmapFormatDesc; override;
- class function WithoutAlpha: TglBitmapFormat; override;
+ TfdAlpha4 = class(TfdAlpha_UB1)
+ constructor Create; override;
+ end;
+
+ TfdAlpha8 = class(TfdAlpha_UB1)
+ constructor Create; override;
+ end;
+
+ TfdAlpha12 = class(TfdAlpha_US1)
+ constructor Create; override;
+ end;
+
+ TfdAlpha16 = class(TfdAlpha_US1)
+ constructor Create; override;
+ end;
+
+ TfdLuminance4 = class(TfdLuminance_UB1)
+ constructor Create; override;
+ end;
+
+ TfdLuminance8 = class(TfdLuminance_UB1)
+ constructor Create; override;
+ end;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
+ TfdLuminance12 = class(TfdLuminance_US1)
+ constructor Create; override;
+ end;
+
+ TfdLuminance16 = class(TfdLuminance_US1)
+ constructor Create; override;
+ end;
+
+ TfdLuminance4Alpha4 = class(TfdLuminanceAlpha_UB2)
+ constructor Create; override;
+ end;
+
+ TfdLuminance6Alpha2 = class(TfdLuminanceAlpha_UB2)
+ constructor Create; override;
+ end;
+
+ TfdLuminance8Alpha8 = class(TfdLuminanceAlpha_UB2)
+ constructor Create; override;
+ end;
+
+ TfdLuminance12Alpha4 = class(TfdLuminanceAlpha_US2)
+ constructor Create; override;
+ end;
+
+ TfdLuminance12Alpha12 = class(TfdLuminanceAlpha_US2)
+ constructor Create; override;
+ end;
+
+ TfdLuminance16Alpha16 = class(TfdLuminanceAlpha_US2)
+ constructor Create; override;
+ end;
+
+ TfdR3G3B2 = class(TfdUniversal_UB1)
+ constructor Create; override;
+ end;
+
+ TfdRGB4 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdR5G6B5 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdRGB5 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdRGB8 = class(TfdRGB_UB3)
+ constructor Create; override;
+ end;
+
+ TfdRGB10 = class(TfdUniversal_UI1)
+ constructor Create; override;
+ end;
+
+ TfdRGB12 = class(TfdRGB_US3)
+ constructor Create; override;
+ end;
+
+ TfdRGB16 = class(TfdRGB_US3)
+ constructor Create; override;
+ end;
+
+ TfdRGBA2 = class(TfdRGBA_UB4)
+ constructor Create; override;
+ end;
+
+ TfdRGBA4 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdRGB5A1 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdRGBA8 = class(TfdRGBA_UB4)
+ constructor Create; override;
+ end;
+
+ TfdRGB10A2 = class(TfdUniversal_UI1)
+ constructor Create; override;
+ end;
+
+ TfdRGBA12 = class(TfdRGBA_US4)
+ constructor Create; override;
+ end;
+
+ TfdRGBA16 = class(TfdRGBA_US4)
+ constructor Create; override;
+ end;
+
+ TfdBGR4 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdB5G6R5 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdBGR5 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdBGR8 = class(TfdBGR_UB3)
+ constructor Create; override;
+ end;
+
+ TfdBGR10 = class(TfdUniversal_UI1)
+ constructor Create; override;
+ end;
+
+ TfdBGR12 = class(TfdBGR_US3)
+ constructor Create; override;
+ end;
+
+ TfdBGR16 = class(TfdBGR_US3)
+ constructor Create; override;
+ end;
+
+ TfdBGRA2 = class(TfdBGRA_UB4)
+ constructor Create; override;
+ end;
+
+ TfdBGRA4 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdBGR5A1 = class(TfdUniversal_US1)
+ constructor Create; override;
+ end;
+
+ TfdBGRA8 = class(TfdBGRA_UB4)
+ constructor Create; override;
+ end;
+
+ TfdBGR10A2 = class(TfdUniversal_UI1)
+ constructor Create; override;
+ end;
+
+ TfdBGRA12 = class(TfdBGRA_US4)
+ constructor Create; override;
+ end;
+
+ TfdBGRA16 = class(TfdBGRA_US4)
+ constructor Create; override;
+ end;
+
+ TfdDepth16 = class(TfdDepth_US1)
+ constructor Create; override;
+ end;
+
+ TfdDepth24 = class(TfdDepth_UI1)
+ constructor Create; override;
+ end;
+
+ TfdDepth32 = class(TfdDepth_UI1)
+ constructor Create; override;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TfdBGR8 = class(TglBitmapFormatDescriptor)
+ TbmpBitfieldFormat = class(TFormatDescriptor)
+ private
+ procedure SetRedMask (const aValue: UInt64);
+ procedure SetGreenMask(const aValue: UInt64);
+ procedure SetBlueMask (const aValue: UInt64);
+ procedure SetAlphaMask(const aValue: UInt64);
+
+ procedure Update(aMask: UInt64; out aRange: Cardinal; out aShift: Byte);
public
- class function GetFormat: TglBitmapFormat; override;
- class function GetPixelDesc: TglBitmapPixelDesc; override;
- class function GetFormatDesc: TglBitmapFormatDesc; override;
- class function WithAlpha: TglBitmapFormat; override;
+ property RedMask: UInt64 read GetRedMask write SetRedMask;
+ property GreenMask: UInt64 read GetGreenMask write SetGreenMask;
+ property BlueMask: UInt64 read GetBlueMask write SetBlueMask;
+ property AlphaMask: UInt64 read GetAlphaMask write SetAlphaMask;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
+ property PixelSize: Single read fPixelSize write fPixelSize;
+
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- TfdBGRA8 = class(TglBitmapFormatDescriptor)
+ TbmpColorTableEnty = packed record
+ b, g, r, a: Byte;
+ end;
+ TbmpColorTable = array of TbmpColorTableEnty;
+ TbmpColorTableFormat = class(TFormatDescriptor)
+ private
+ fColorTable: TbmpColorTable;
public
- class function GetFormat: TglBitmapFormat; override;
- class function GetPixelDesc: TglBitmapPixelDesc; override;
- class function GetFormatDesc: TglBitmapFormatDesc; override;
- class function WithoutAlpha: TglBitmapFormat; override;
+ property PixelSize: Single read fPixelSize write fPixelSize;
+ property ColorTable: TbmpColorTable read fColorTable write fColorTable;
+ property Range: TglBitmapColorRec read fRange write fRange;
+ property Shift: TShiftRec read fShift write fShift;
+ property Format: TglBitmapFormat read fFormat write fFormat;
+
+ procedure CreateColorTable;
- class procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte); override;
- class procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData); override;
+ procedure Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer); override;
+ procedure Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer); override;
+ destructor Destroy; override;
end;
const
ALPHA_WEIGHT_G = 0.59;
ALPHA_WEIGHT_B = 0.11;
+ DEPTH_WEIGHT_R = 0.333333333;
+ DEPTH_WEIGHT_G = 0.333333333;
+ DEPTH_WEIGHT_B = 0.333333333;
+
UNSUPPORTED_FORMAT = 'the given format isn''t supported by this function.';
- FORMAT_DESCRIPTORS: array[TglBitmapFormat] of TglBitmapFormatDescClass = (
+ FORMAT_DESCRIPTOR_CLASSES: array[TglBitmapFormat] of TFormatDescriptorClass = (
TfdEmpty,
+ TfdAlpha4,
+ TfdAlpha8,
+ TfdAlpha12,
+ TfdAlpha16,
+
+ TfdLuminance4,
TfdLuminance8,
+ TfdLuminance12,
+ TfdLuminance16,
+
+ TfdLuminance4Alpha4,
+ TfdLuminance6Alpha2,
TfdLuminance8Alpha8,
+ TfdLuminance12Alpha4,
+ TfdLuminance12Alpha12,
+ TfdLuminance16Alpha16,
+ TfdR3G3B2,
+ TfdRGB4,
+ TfdR5G6B5,
TfdRGB5,
TfdRGB8,
+ TfdRGB10,
+ TfdRGB12,
+ TfdRGB16,
+ TfdRGBA2,
+ TfdRGBA4,
TfdRGB5A1,
TfdRGBA8,
+ TfdRGB10A2,
+ TfdRGBA12,
+ TfdRGBA16,
+ TfdBGR4,
+ TfdB5G6R5,
+ TfdBGR5,
TfdBGR8,
- TfdBGRA8
+ TfdBGR10,
+ TfdBGR12,
+ TfdBGR16,
+
+ TfdBGRA2,
+ TfdBGRA4,
+ TfdBGR5A1,
+ TfdBGRA8,
+ TfdBGR10A2,
+ TfdBGRA12,
+ TfdBGRA16,
+
+ TfdDepth16,
+ TfdDepth24,
+ TfdDepth32
);
+var
+ FormatDescriptorCS: TCriticalSection;
+ FormatDescriptors: array[TglBitmapFormat] of TFormatDescriptor;
-{$REGION Private Helper}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function glBitmapPosition(X, Y: Integer): TglBitmapPixelPosition;
begin
end;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+function glBitmapColorRec(const r, g, b, a: Cardinal): TglBitmapColorRec;
+begin
+ result.r := r;
+ result.g := g;
+ result.b := b;
+ result.a := a;
+end;
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+function glBitmapColorRecCmp(const r1, r2: TglBitmapColorRec): Boolean;
+var
+ i: Integer;
+begin
+ result := false;
+ for i := 0 to high(r1.arr) do
+ if (r1.arr[i] <> r2.arr[i]) then
+ exit;
+ result := true;
+end;
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+function glBitmapShiftRec(const r, g, b, a: Byte): TShiftRec;
+begin
+ result.r := r;
+ result.g := g;
+ result.b := b;
+ result.a := a;
+end;
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function FormatGetSupportedFiles(const aFormat: TglBitmapFormat): TglBitmapFileTypes;
begin
+ result := [ftDDS];
+
+ if (aFormat in [
+ //4 bbp
+ tfLuminance4,
+
+ //8bpp
+ tfR3G3B2, tfLuminance8,
+
+ //16bpp
+ tfRGB4, tfRGB5, tfR5G6B5, tfRGB5A1, tfRGBA4,
+ tfBGR4, tfBGR5, tfB5G6R5, tfBGR5A1, tfBGRA4,
+
+ //24bpp
+ tfBGR8, tfRGB8,
+
+ //32bpp
+ tfRGB10, tfRGB10A2, tfRGBA8,
+ tfBGR10, tfBGR10A2, tfBGRA8]) then
+ result := result + [ftBMP];
+
+ if (aFormat in [
+ //8 bpp
+ tfLuminance8, tfAlpha8,
+
+ //16 bpp
+ tfLuminance16, tfLuminance8Alpha8,
+ tfRGB5, tfRGB5A1, tfRGBA4,
+ tfBGR5, tfBGR5A1, tfBGRA4,
+
+ //24 bpp
+ tfRGB8, tfBGR8,
+
+ //32 bpp
+ tfRGB10A2, tfRGBA8, tfBGR10A2, tfBGRA8]) then
+ result := result + [ftTGA];
+
//TODO Supported File Formats!
- result := [ftDDS, ftTGA, ftBMP];
+
(*
{$IFDEF GLB_SUPPORT_PNG_WRITE}
if aFormat in [
aBitSet := aBitSet shr 1;
end;
end;
-{$ENDREGION}
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+function LuminanceWeight(const aPixel: TglBitmapPixelData): Cardinal;
+begin
+ result := Trunc(
+ LUMINANCE_WEIGHT_R * aPixel.Data.r +
+ LUMINANCE_WEIGHT_G * aPixel.Data.g +
+ LUMINANCE_WEIGHT_B * aPixel.Data.b);
+end;
+
+function DepthWeight(const aPixel: TglBitmapPixelData): Cardinal;
+begin
+ result := Trunc(
+ DEPTH_WEIGHT_R * aPixel.Data.r +
+ DEPTH_WEIGHT_G * aPixel.Data.g +
+ DEPTH_WEIGHT_B * aPixel.Data.b);
+end;
//TODO check _ARB functions and constants
end;
*)
-{$REGION default Setter and Gettter}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapSetDefaultDeleteTextureOnFree(const aDeleteTextureOnFree: Boolean);
begin
T := glBitmapDefaultWrapT;
R := glBitmapDefaultWrapR;
end;
-{$ENDREGION}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TCustomFormat///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TglBitmapFormatDescriptor///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetAlphaMask(aValue: UInt64);
+function TFormatDescriptor.GetRedMask: UInt64;
begin
- if fAlphaMask = aValue then Exit;
- fAlphaMask := aValue;
- CalcShiftAndRange(fAlphaMask, fAlphaRange, fAlphaShift);
+ result := fRange.r shl fShift.r;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-function TBitfieldFormat.GetSize: Integer;
-var
- tmp: UInt64;
+function TFormatDescriptor.GetGreenMask: UInt64;
begin
- tmp :=
- (fRedRange shl fRedShift) or
- (fGreenRange shl fGreenShift) or
- (fBlueRange shl fBlueShift) or
- (fAlphaRange shl fAlphaShift);
- result := Trunc(GetTopMostBit(tmp) / 8);
+ result := fRange.g shl fShift.g;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetAlphaRange(aValue: Cardinal);
+function TFormatDescriptor.GetBlueMask: UInt64;
begin
- if fAlphaRange = aValue then Exit;
- fAlphaRange := aValue;
- fAlphaMask := fAlphaRange shl fAlphaShift;
+ result := fRange.b shl fShift.b;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetAlphaShift(aValue: ShortInt);
+function TFormatDescriptor.GetAlphaMask: UInt64;
begin
- if fAlphaShift = aValue then Exit;
- fAlphaShift := aValue;
- fAlphaMask := fAlphaRange shl fAlphaShift;
+ result := fRange.a shl fShift.a;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetBlueMask(aValue: UInt64);
+function TFormatDescriptor.GetComponents: Integer;
+var
+ i: Integer;
begin
- if fBlueMask = aValue then Exit;
- fBlueMask := aValue;
- CalcShiftAndRange(fBlueMask, fBlueRange, fBlueShift);
+ result := 0;
+ for i := 0 to 3 do
+ if (fRange.arr[i] > 0) then
+ inc(result);
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetBlueRange(aValue: Cardinal);
-begin
- if fBlueRange = aValue then Exit;
- fBlueRange := aValue;
- fBlueMask := fBlueRange shl fBlueShift;
+function TFormatDescriptor.GetSize(const aSize: TglBitmapPixelPosition): Integer;
+var
+ w, h: Integer;
+begin
+ if (ffX in aSize.Fields) or (ffY in aSize.Fields) then begin
+ w := Max(1, aSize.X);
+ h := Max(1, aSize.Y);
+ result := GetSize(w, h);
+ end else
+ result := 0;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetBlueShift(aValue: ShortInt);
+function TFormatDescriptor.GetSize(const aWidth, aHeight: Integer): Integer;
begin
- if fBlueShift = aValue then Exit;
- fBlueShift := aValue;
- fBlueMask := fBlueRange shl fBlueShift;
+ result := 0;
+ if (aWidth <= 0) or (aHeight <= 0) then
+ exit;
+ result := Ceil(aWidth * aHeight * fPixelSize);
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetGreenMask(aValue: UInt64);
+function TFormatDescriptor.CreateMappingData: Pointer;
begin
- if fGreenMask = aValue then Exit;
- fGreenMask := aValue;
- CalcShiftAndRange(fGreenMask, fGreenRange, fGreenShift);
+ result := nil;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetGreenRange(aValue: Cardinal);
+procedure TFormatDescriptor.FreeMappingData(var aMappingData: Pointer);
begin
- if fGreenRange = aValue then Exit;
- fGreenRange := aValue;
- fGreenMask := fGreenRange shl fGreenShift;
+ //DUMMY
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetGreenShift(aValue: ShortInt);
+function TFormatDescriptor.IsEmpty: Boolean;
begin
- if fGreenShift = aValue then Exit;
- fGreenShift := aValue;
- fGreenMask := fGreenRange shl fGreenShift;
+ result := (fFormat = tfEmpty);
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetRedMask(aValue: UInt64);
+function TFormatDescriptor.HasAlpha: Boolean;
begin
- if fRedMask = aValue then Exit;
- fRedMask := aValue;
- CalcShiftAndRange(fRedMask, fRedRange, fRedShift);
+ result := (fRange.a > 0);
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetRedRange(aValue: Cardinal);
+function TFormatDescriptor.MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: UInt64): Boolean;
begin
- if fRedRange = aValue then Exit;
- fRedRange := aValue;
- fRedMask := fRedRange shl fRedShift;
+ result := false;
+
+ if (aRedMask = 0) and (aGreenMask = 0) and (aBlueMask = 0) and (aAlphaMask = 0) then
+ raise EglBitmapException.Create('FormatCheckFormat - All Masks are 0');
+
+ if (aRedMask <> RedMask) then
+ exit;
+ if (aGreenMask <> GreenMask) then
+ exit;
+ if (aBlueMask <> BlueMask) then
+ exit;
+ if (aAlphaMask <> AlphaMask) then
+ exit;
+ result := true;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.SetRedShift(aValue: ShortInt);
+procedure TFormatDescriptor.PreparePixel(var aPixel: TglBitmapPixelData);
begin
- if fRedShift = aValue then Exit;
- fRedShift := aValue;
- fRedMask := fRedRange shl fRedShift;
+ FillChar(aPixel, SizeOf(aPixel), 0);
+ aPixel.Data := fRange;
+ aPixel.Range := fRange;
+ aPixel.Format := fFormat;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.CalcShiftAndRange(aMask: UInt64; out aRange: Cardinal;
- out aShift: ShortInt);
+constructor TFormatDescriptor.Create;
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);
+ inherited Create;
+
+ fFormat := tfEmpty;
+ fWithAlpha := tfEmpty;
+ fWithoutAlpha := tfEmpty;
+ fRGBInverted := tfEmpty;
+ fPixelSize := 0.0;
+
+ fglFormat := 0;
+ fglInternalFormat := 0;
+ fglDataFormat := 0;
+
+ FillChar(fRange, 0, SizeOf(fRange));
+ FillChar(fShift, 0, SizeOf(fShift));
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
-var
- data: UInt64;
- s: Integer;
-type
- PUInt64 = ^UInt64;
+//TfdAlpha_UB1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdAlpha_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
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);
+ aData^ := aPixel.Data.a;
+ inc(aData);
end;
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
-var
- data: UInt64;
- s: Integer;
-type
- PUInt64 = ^UInt64;
+procedure TfdAlpha_UB1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
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);
+ aPixel.Data.r := 0;
+ aPixel.Data.g := 0;
+ aPixel.Data.b := 0;
+ aPixel.Data.a := aData^;
+ inc(aData^);
end;
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-procedure TBitfieldFormat.Unmap(const aData: UInt64; var aPixel: TglBitmapPixelData);
+constructor TfdAlpha_UB1.Create;
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;
+ inherited Create;
+ fPixelSize := 1.0;
+ fRange.a := $FF;
+ fglFormat := GL_ALPHA;
+ fglDataFormat := GL_UNSIGNED_BYTE;
end;
-{$REGION TglBitmapFormatDescriptor}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TglBitmapFormatDescriptor///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdLuminance_UB1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TglBitmapFormatDescriptor.WithoutAlpha: TglBitmapFormat;
+procedure TfdLuminance_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- if not HasAlpha then
- result := GetFormat
- else
- result := tfEmpty;
+ aData^ := LuminanceWeight(aPixel);
+ inc(aData);
end;
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TglBitmapFormatDescriptor.WithAlpha: TglBitmapFormat;
+procedure TfdLuminance_UB1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- if HasAlpha then
- result := GetFormat
- else
- result := tfEmpty;
+ aPixel.Data.r := aData^;
+ aPixel.Data.g := aData^;
+ aPixel.Data.b := aData^;
+ aPixel.Data.a := 0;
+ inc(aData);
end;
+constructor TfdLuminance_UB1.Create;
+begin
+ inherited Create;
+ fPixelSize := 1.0;
+ fRange.r := $FF;
+ fRange.g := $FF;
+ fRange.b := $FF;
+ fglFormat := GL_LUMINANCE;
+ fglDataFormat := GL_UNSIGNED_BYTE;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdUniversal_UB1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TglBitmapFormatDescriptor.GetSize: Single;
+procedure TfdUniversal_UB1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
var
- tmp: UInt64;
+ i: Integer;
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;
+ aData^ := 0;
+ for i := 0 to 3 do
+ if (fRange.arr[i] > 0) then
+ aData^ := aData^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]);
+ inc(aData);
end;
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TglBitmapFormatDescriptor.GetSize(const aSize: TglBitmapPixelPosition): Integer;
+procedure TfdUniversal_UB1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
var
- w, h: Integer;
+ i: 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;
+ for i := 0 to 3 do
+ aPixel.Data.arr[i] := (aData^ shr fShift.arr[i]) and fRange.arr[i];
+ inc(aData);
end;
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TglBitmapFormatDescriptor.GetColorCompCount: Integer;
+constructor TfdUniversal_UB1.Create;
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;
+ inherited Create;
+ fPixelSize := 1.0;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TglBitmapFormatDescriptor.IsEmpty: Boolean;
+//TfdLuminanceAlpha_UB2///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdLuminanceAlpha_UB2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- result := (GetFormat = tfEmpty);
+ inherited Map(aPixel, aData, aMapData);
+ aData^ := aPixel.Data.a;
+ inc(aData);
+end;
+
+procedure TfdLuminanceAlpha_UB2.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
+begin
+ inherited Unmap(aData, aPixel, aMapData);
+ aPixel.Data.a := aData^;
+ inc(aData);
end;
+constructor TfdLuminanceAlpha_UB2.Create;
+begin
+ inherited Create;
+ fPixelSize := 2.0;
+ fRange.a := $FF;
+ fShift.a := 8;
+ fglFormat := GL_LUMINANCE_ALPHA;
+ fglDataFormat := GL_UNSIGNED_BYTE;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdRGB_UB3//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TglBitmapFormatDescriptor.HasAlpha: Boolean;
+procedure TfdRGB_UB3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
+begin
+ aData^ := aPixel.Data.r;
+ inc(aData);
+ aData^ := aPixel.Data.g;
+ inc(aData);
+ aData^ := aPixel.Data.b;
+ inc(aData);
+end;
+
+procedure TfdRGB_UB3.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- result := (GetPixelDesc.AlphaRange > 0);
+ aPixel.Data.r := aData^;
+ inc(aData);
+ aPixel.Data.g := aData^;
+ inc(aData);
+ aPixel.Data.b := aData^;
+ inc(aData);
+ aPixel.Data.a := 0;
+end;
+
+constructor TfdRGB_UB3.Create;
+begin
+ inherited Create;
+ fPixelSize := 3.0;
+ fRange.r := $FF;
+ fRange.g := $FF;
+ fRange.b := $FF;
+ fShift.r := 0;
+ fShift.g := 8;
+ fShift.b := 16;
+ fglFormat := GL_RGB;
+ fglDataFormat := GL_UNSIGNED_BYTE;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TglBitmapFormatDescriptor.MaskMatch(const aRedMask, aGreenMask, aBlueMask, aAlphaMask: UInt64): Boolean;
-var
- PixelDesc: TglBitmapPixelDesc;
+//TfdBGR_UB3//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdBGR_UB3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- result := false;
+ aData^ := aPixel.Data.b;
+ inc(aData);
+ aData^ := aPixel.Data.g;
+ inc(aData);
+ aData^ := aPixel.Data.r;
+ inc(aData);
+end;
- if (aRedMask = 0) and (aGreenMask = 0) and (aBlueMask = 0) and (aAlphaMask = 0) then
- raise EglBitmapException.Create('FormatCheckFormat - All Masks are 0');
+procedure TfdBGR_UB3.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
+begin
+ aPixel.Data.b := aData^;
+ inc(aData);
+ aPixel.Data.g := aData^;
+ inc(aData);
+ aPixel.Data.r := aData^;
+ inc(aData);
+ aPixel.Data.a := 0;
+end;
- PixelDesc := GetPixelDesc;
- with PixelDesc do begin
- if (aRedMask <> 0) and (aRedMask <> (RedRange shl RedShift)) then
- exit;
- if (aGreenMask <> 0) and (aGreenMask <> (GreenRange shl GreenShift)) then
- exit;
- if (aBlueMask <> 0) and (aBlueMask <> (BlueRange shl BlueShift)) then
- exit;
- if (aAlphaMask <> 0) and (aAlphaMask <> (AlphaRange shl AlphaShift)) then
- exit;
- end;
- result := true;
+constructor TfdBGR_UB3.Create;
+begin
+ fPixelSize := 3.0;
+ fRange.r := $FF;
+ fRange.g := $FF;
+ fRange.b := $FF;
+ fShift.r := 16;
+ fShift.g := 8;
+ fShift.b := 0;
+ fglFormat := GL_BGR;
+ fglDataFormat := GL_UNSIGNED_BYTE;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class procedure TglBitmapFormatDescriptor.PreparePixel(var aPixel: TglBitmapPixelData);
+//TdfRGBA_UB4/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdRGBA_UB4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- FillChar(aPixel, SizeOf(aPixel), 0);
- aPixel.PixelDesc := GetPixelDesc;
- with aPixel.PixelDesc do begin
- aPixel.Red := RedRange;
- aPixel.Green := GreenRange;
- aPixel.Blue := BlueRange;
- aPixel.Alpha := AlphaRange;
- end;
+ inherited Map(aPixel, aData, aMapData);
+ aData^ := aPixel.Data.a;
+ inc(aData);
+end;
+
+procedure TfdRGBA_UB4.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
+begin
+ inherited Unmap(aData, aPixel, aMapData);
+ aPixel.Data.a := aData^;
+ inc(aData);
+end;
+
+constructor TfdRGBA_UB4.Create;
+begin
+ inherited Create;
+ fPixelSize := 4.0;
+ fRange.a := $FF;
+ fShift.a := 24;
+ fglFormat := GL_RGBA;
+ fglDataFormat := GL_UNSIGNED_BYTE;
end;
-{$ENDREGION}
-{$REGION TfdEmpty}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdEmpty////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdBGRA_UB4/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdEmpty.GetFormat: TglBitmapFormat;
+procedure TfdBGRA_UB4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- result := tfEmpty;
+ inherited Map(aPixel, aData, aMapData);
+ aData^ := aPixel.Data.a;
+ inc(aData);
end;
-class function TfdEmpty.GetPixelDesc: TglBitmapPixelDesc;
+procedure TfdBGRA_UB4.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- with result do begin
- RedRange := $00000000; RedShift := 0;
- GreenRange := $00000000; GreenShift := 0;
- BlueRange := $00000000; BlueShift := 0;
- AlphaRange := $00000000; AlphaShift := 0;
- end;
+ inherited Unmap(aData, aPixel, aMapData);
+ aPixel.Data.a := aData^;
+ inc(aData);
end;
-class function TfdEmpty.GetFormatDesc: TglBitmapFormatDesc;
+constructor TfdBGRA_UB4.Create;
begin
- with result do begin
- Format := 0;
- InternalFormat := 0;
- DataType := 0;
- end;
+ inherited Create;
+ fPixelSize := 4.0;
+ fRange.a := $FF;
+ fShift.a := 24;
+ fglFormat := GL_BGRA;
+ fglDataFormat := GL_UNSIGNED_BYTE;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdAlpha_US1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdAlpha_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
+begin
+ PWord(aData)^ := aPixel.Data.a;
+ inc(aData, 2);
end;
-class procedure TfdEmpty.Map(const aPixel: TglBitmapPixelData; var aData: PByte );
+procedure TfdAlpha_US1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- raise EglBitmapException.Create('format does not support mapping');
+ aPixel.Data.r := 0;
+ aPixel.Data.g := 0;
+ aPixel.Data.b := 0;
+ aPixel.Data.a := PWord(aData)^;
+ inc(aData, 2);
end;
-class procedure TfdEmpty.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+constructor TfdAlpha_US1.Create;
begin
- raise EglBitmapException.Create('format does not support unmapping');
+ inherited Create;
+ fPixelSize := 2.0;
+ fRange.a := $FFFF;
+ fglFormat := GL_ALPHA;
+ fglDataFormat := GL_UNSIGNED_SHORT;
end;
-{$ENDREGION}
-{$REGION TfdLuminance8}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdLuminance8///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdLuminance_US1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdLuminance8.GetFormat: TglBitmapFormat;
+procedure TfdLuminance_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- result := tfEmpty;
+ PWord(aData)^ := LuminanceWeight(aPixel);
+ inc(aData, 2);
end;
-class function TfdLuminance8.GetPixelDesc: TglBitmapPixelDesc;
+procedure TfdLuminance_US1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- with result do begin
- RedRange := $000000FF; RedShift := 0;
- GreenRange := $000000FF; GreenShift := 0;
- BlueRange := $000000FF; BlueShift := 0;
- AlphaRange := $00000000; AlphaShift := 0;
- end;
+ aPixel.Data.r := PWord(aData)^;
+ aPixel.Data.g := PWord(aData)^;
+ aPixel.Data.b := PWord(aData)^;
+ aPixel.Data.a := 0;
+ inc(aData, 2);
end;
-class function TfdLuminance8.GetFormatDesc: TglBitmapFormatDesc;
+constructor TfdLuminance_US1.Create;
begin
- with result do begin
- Format := GL_LUMINANCE;
- InternalFormat := GL_LUMINANCE8;
- DataType := GL_UNSIGNED_BYTE;
- end;
+ inherited Create;
+ fPixelSize := 2.0;
+ fRange.r := $FFFF;
+ fRange.g := $FFFF;
+ fRange.b := $FFFF;
+ fglFormat := GL_LUMINANCE;
+ fglDataFormat := GL_UNSIGNED_SHORT;
end;
-class function TfdLuminance8.WithAlpha: TglBitmapFormat;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdUniversal_US1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdUniversal_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
+var
+ i: Integer;
begin
- result := tfLuminance8Alpha8;
+ PWord(aData)^ := 0;
+ for i := 0 to 3 do
+ if (fRange.arr[i] > 0) then
+ PWord(aData)^ := PWord(aData)^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]);
+ inc(aData, 2);
end;
-class procedure TfdLuminance8.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
+procedure TfdUniversal_US1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
+var
+ i: Integer;
begin
- aData^ := Trunc(
- aPixel.Red * LUMINANCE_WEIGHT_R +
- aPixel.Green * LUMINANCE_WEIGHT_G +
- aPixel.Blue * LUMINANCE_WEIGHT_B);
- inc(aData);
+ for i := 0 to 3 do
+ aPixel.Data.arr[i] := (PWord(aData)^ shr fShift.arr[i]) and fRange.arr[i];
+ inc(aData, 2);
end;
-class procedure TfdLuminance8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+constructor TfdUniversal_US1.Create;
begin
- aPixel.Red := aData^;
- aPixel.Green := aData^;
- aPixel.Blue := aData^;
- aPixel.Alpha := 0;
- inc(aData);
+ inherited Create;
+ fPixelSize := 2.0;
end;
-{$ENDREGION}
-{$REGION TfdLuminance8Alpha8}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdLuminance8Alpha8/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdDepth_US1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdLuminance8Alpha8.GetFormat: TglBitmapFormat;
+procedure TfdDepth_US1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- result := tfLuminance8Alpha8;
+ PWord(aData)^ := DepthWeight(aPixel);
+ inc(aData, 2);
end;
-class function TfdLuminance8Alpha8.GetPixelDesc: TglBitmapPixelDesc;
+procedure TfdDepth_US1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- with result do begin
- RedRange := $000000FF; RedShift := 0;
- GreenRange := $000000FF; GreenShift := 0;
- BlueRange := $000000FF; BlueShift := 0;
- AlphaRange := $000000FF; AlphaShift := 8;
- end;
+ aPixel.Data.r := PWord(aData)^;
+ aPixel.Data.g := PWord(aData)^;
+ aPixel.Data.b := PWord(aData)^;
+ aPixel.Data.a := 0;
+ inc(aData, 2);
end;
-class function TfdLuminance8Alpha8.GetFormatDesc: TglBitmapFormatDesc;
+constructor TfdDepth_US1.Create;
begin
- with result do begin
- Format := GL_LUMINANCE_ALPHA;
- InternalFormat := GL_LUMINANCE8_ALPHA8;
- DataType := GL_UNSIGNED_BYTE;
- end;
+ inherited Create;
+ fPixelSize := 2.0;
+ fRange.r := $FFFF;
+ fRange.g := $FFFF;
+ fRange.b := $FFFF;
+ fglFormat := GL_DEPTH_COMPONENT;
+ fglDataFormat := GL_UNSIGNED_SHORT;
end;
-class function TfdLuminance8Alpha8.WithoutAlpha: TglBitmapFormat;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdLuminanceAlpha_US2///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdLuminanceAlpha_US2.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- result := tfLuminance8;
+ inherited Map(aPixel, aData, aMapData);
+ PWord(aData)^ := aPixel.Data.a;
+ inc(aData, 2);
end;
-class procedure TfdLuminance8Alpha8.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
+procedure TfdLuminanceAlpha_US2.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- aData^ := Trunc(
- aPixel.Red * LUMINANCE_WEIGHT_R +
- aPixel.Green * LUMINANCE_WEIGHT_G +
- aPixel.Blue * LUMINANCE_WEIGHT_B);
- inc(aData);
+ inherited Unmap(aData, aPixel, aMapData);
+ aPixel.Data.a := PWord(aData)^;
+ inc(aData, 2);
+end;
- aData^ := aPixel.Alpha;
- inc(aData);
+constructor TfdLuminanceAlpha_US2.Create;
+begin
+ inherited Create;
+ fPixelSize := 4.0;
+ fRange.a := $FFFF;
+ fShift.a := 16;
+ fglFormat := GL_LUMINANCE_ALPHA;
+ fglDataFormat := GL_UNSIGNED_SHORT;
end;
-class procedure TfdLuminance8Alpha8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdRGB_US3//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdRGB_US3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- aPixel.Red := aData^;
- aPixel.Green := aData^;
- aPixel.Blue := aData^;
- inc(aData);
+ PWord(aData)^ := aPixel.Data.r;
+ inc(aData, 2);
+ PWord(aData)^ := aPixel.Data.g;
+ inc(aData, 2);
+ PWord(aData)^ := aPixel.Data.b;
+ inc(aData, 2);
+end;
- aPixel.Alpha := aData^;
- inc(aData);
+procedure TfdRGB_US3.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
+begin
+ aPixel.Data.r := PWord(aData)^;
+ inc(aData, 2);
+ aPixel.Data.g := PWord(aData)^;
+ inc(aData, 2);
+ aPixel.Data.b := PWord(aData)^;
+ inc(aData, 2);
+ aPixel.Data.a := 0;
+end;
+
+constructor TfdRGB_US3.Create;
+begin
+ inherited Create;
+ fPixelSize := 6.0;
+ fRange.r := $FFFF;
+ fRange.g := $FFFF;
+ fRange.b := $FFFF;
+ fShift.r := 0;
+ fShift.g := 16;
+ fShift.b := 32;
+ fglFormat := GL_RGB;
+ fglDataFormat := GL_UNSIGNED_SHORT;
end;
-{$ENDREGION}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdRGB5/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdBGR_US3//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdRGB5.GetFormat: TglBitmapFormat;
+procedure TfdBGR_US3.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
+begin
+ PWord(aData)^ := aPixel.Data.b;
+ inc(aData, 2);
+ PWord(aData)^ := aPixel.Data.g;
+ inc(aData, 2);
+ PWord(aData)^ := aPixel.Data.r;
+ inc(aData, 2);
+end;
+
+procedure TfdBGR_US3.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- result := tfRGB5;
+ aPixel.Data.b := PWord(aData)^;
+ inc(aData, 2);
+ aPixel.Data.g := PWord(aData)^;
+ inc(aData, 2);
+ aPixel.Data.r := PWord(aData)^;
+ inc(aData, 2);
+ aPixel.Data.a := 0;
end;
-class function TfdRGB5.GetPixelDesc: TglBitmapPixelDesc;
+constructor TfdBGR_US3.Create;
begin
- with result do begin
- RedRange := $0000001F; RedShift := 0;
- GreenRange := $0000001F; GreenShift := 5;
- BlueRange := $0000001F; BlueShift := 10;
- AlphaRange := $00000000; AlphaShift := 0;
- end;
+ inherited Create;
+ fPixelSize := 6.0;
+ fRange.r := $FFFF;
+ fRange.g := $FFFF;
+ fRange.b := $FFFF;
+ fShift.r := 32;
+ fShift.g := 16;
+ fShift.b := 0;
+ fglFormat := GL_BGR;
+ fglDataFormat := GL_UNSIGNED_SHORT;
end;
-class function TfdRGB5.GetFormatDesc: TglBitmapFormatDesc;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdRGBA_US4/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdRGBA_US4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- with result do begin
- Format := GL_RGB;
- InternalFormat := GL_RGB5;
- DataType := GL_UNSIGNED_SHORT_5_5_5_1;
- end;
+ inherited Map(aPixel, aData, aMapData);
+ PWord(aData)^ := aPixel.Data.a;
+ inc(aData, 2);
end;
-class function TfdRGB5.WithAlpha: TglBitmapFormat;
+procedure TfdRGBA_US4.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- result := tfRGB5A1;
+ inherited Unmap(aData, aPixel, aMapData);
+ aPixel.Data.a := PWord(aData)^;
+ inc(aData, 2);
end;
-class procedure TfdRGB5.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
+constructor TfdRGBA_US4.Create;
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);
+ inherited Create;
+ fPixelSize := 8.0;
+ fRange.a := $FFFF;
+ fShift.a := 48;
+ fglFormat := GL_RGBA;
+ fglDataFormat := GL_UNSIGNED_SHORT;
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdBGRA_US4/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdBGRA_US4.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
+begin
+ inherited Map(aPixel, aData, aMapData);
+ PWord(aData)^ := aPixel.Data.a;
inc(aData, 2);
end;
-class procedure TfdRGB5.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+procedure TfdBGRA_US4.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- aPixel.Red := (PWord(aData)^ shr aPixel.PixelDesc.RedShift) and aPixel.PixelDesc.RedRange;
- aPixel.Green := (PWord(aData)^ shr aPixel.PixelDesc.GreenShift) and aPixel.PixelDesc.GreenRange;
- aPixel.Blue := (PWord(aData)^ shr aPixel.PixelDesc.BlueShift) and aPixel.PixelDesc.BlueRange;
- aPixel.Alpha := 0;
+ inherited Unmap(aData, aPixel, aMapData);
+ aPixel.Data.a := PWord(aData)^;
inc(aData, 2);
end;
-{$REGION TfdRGB8}
+constructor TfdBGRA_US4.Create;
+begin
+ inherited Create;
+ fPixelSize := 8.0;
+ fRange.a := $FFFF;
+ fShift.a := 48;
+ fglFormat := GL_BGRA;
+ fglDataFormat := GL_UNSIGNED_SHORT;
+end;
+
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdRGB8/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdUniversal_UI1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdRGB8.GetFormat: TglBitmapFormat;
+procedure TfdUniversal_UI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
+var
+ i: Integer;
begin
- result := tfRGB8;
+ PCardinal(aData)^ := 0;
+ for i := 0 to 3 do
+ if (fRange.arr[i] > 0) then
+ PCardinal(aData)^ := PCardinal(aData)^ or ((aPixel.Data.arr[i] and fRange.arr[i]) shl fShift.arr[i]);
+ inc(aData, 4);
end;
-class function TfdRGB8.GetPixelDesc: TglBitmapPixelDesc;
+procedure TfdUniversal_UI1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
+var
+ i: Integer;
begin
- with result do begin
- RedRange := $000000FF; RedShift := 0;
- GreenRange := $000000FF; GreenShift := 8;
- BlueRange := $000000FF; BlueShift := 16;
- AlphaRange := $00000000; AlphaShift := 0;
- end;
+ for i := 0 to 3 do
+ aPixel.Data.arr[i] := (PCardinal(aData)^ shr fShift.arr[i]) and fRange.arr[i];
+ inc(aData, 2);
end;
-class function TfdRGB8.GetFormatDesc: TglBitmapFormatDesc;
+constructor TfdUniversal_UI1.Create;
begin
- with result do begin
- Format := GL_LUMINANCE;
- InternalFormat := GL_LUMINANCE8;
- DataType := GL_UNSIGNED_BYTE;
- end;
+ inherited Create;
+ fPixelSize := 4.0;
end;
-class function TfdRGB8.WithAlpha: TglBitmapFormat;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TfdDepth_UI1////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TfdDepth_UI1.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
begin
- result := tfRGBA8;
+ PCardinal(aData)^ := DepthWeight(aPixel);
+ inc(aData, 4);
end;
-class procedure TfdRGB8.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
+procedure TfdDepth_UI1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
begin
- aData^ := aPixel.Red;
- inc(aData);
- aData^ := aPixel.Green;
- inc(aData);
- aData^ := aPixel.Blue;
- inc(aData);
+ aPixel.Data.r := PCardinal(aData)^;
+ aPixel.Data.g := PCardinal(aData)^;
+ aPixel.Data.b := PCardinal(aData)^;
+ aPixel.Data.a := 0;
+ inc(aData, 4);
end;
-class procedure TfdRGB8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+constructor TfdDepth_UI1.Create;
begin
- aPixel.Red := aData^;
- inc(aData);
- aPixel.Green := aData^;
- inc(aData);
- aPixel.Blue := aData^;
- inc(aData);
- aPixel.Alpha := 0;
+ inherited Create;
+ fPixelSize := 4.0;
+ fRange.r := $FFFFFFFF;
+ fRange.g := $FFFFFFFF;
+ fRange.b := $FFFFFFFF;
+ fglFormat := GL_DEPTH_COMPONENT;
+ fglDataFormat := GL_UNSIGNED_INT;
end;
-{$ENDREGION}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdRGB5A1///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdRGB5A1.GetFormat: TglBitmapFormat;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+constructor TfdAlpha4.Create;
begin
- result := tfRGB5A1;
+ inherited Create;
+ fFormat := tfAlpha4;
+ fWithAlpha := tfAlpha4;
+ fglInternalFormat := GL_ALPHA4;
end;
-class function TfdRGB5A1.GetPixelDesc: TglBitmapPixelDesc;
+constructor TfdAlpha8.Create;
begin
- with result do begin
- RedRange := $0000001F; RedShift := 0;
- GreenRange := $0000001F; GreenShift := 5;
- BlueRange := $0000001F; BlueShift := 10;
- AlphaRange := $00000001; AlphaShift := 15;
- end;
+ inherited Create;
+ fFormat := tfAlpha8;
+ fWithAlpha := tfAlpha8;
+ fglInternalFormat := GL_ALPHA8;
end;
-class function TfdRGB5A1.GetFormatDesc: TglBitmapFormatDesc;
+constructor TfdAlpha12.Create;
begin
- with result do begin
- Format := GL_RGBA;
- InternalFormat := GL_RGB5_A1;
- DataType := GL_UNSIGNED_SHORT_5_5_5_1;
- end;
+ inherited Create;
+ fFormat := tfAlpha12;
+ fWithAlpha := tfAlpha12;
+ fglInternalFormat := GL_ALPHA12;
end;
-class function TfdRGB5A1.WithoutAlpha: TglBitmapFormat;
+constructor TfdAlpha16.Create;
begin
- //TODO result := tfRGB5;
+ inherited Create;
+ fFormat := tfAlpha16;
+ fWithAlpha := tfAlpha16;
+ fglInternalFormat := GL_ALPHA16;
end;
-class procedure TfdRGB5A1.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
+constructor TfdLuminance4.Create;
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) or
- ((aPixel.Alpha and aPixel.PixelDesc.AlphaRange) shl aPixel.PixelDesc.AlphaShift);
- inc(aData, 2);
+ inherited Create;
+ fFormat := tfLuminance4;
+ fWithAlpha := tfLuminance4Alpha4;
+ fWithoutAlpha := tfLuminance4;
+ fglInternalFormat := GL_LUMINANCE4;
end;
-class procedure TfdRGB5A1.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+constructor TfdLuminance8.Create;
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);
+ inherited Create;
+ fFormat := tfLuminance8;
+ fWithAlpha := tfLuminance8Alpha8;
+ fWithoutAlpha := tfLuminance8;
+ fglInternalFormat := GL_LUMINANCE8;
+end;
+
+constructor TfdLuminance12.Create;
+begin
+ inherited Create;
+ fFormat := tfLuminance12;
+ fWithAlpha := tfLuminance12Alpha12;
+ fWithoutAlpha := tfLuminance12;
+ fglInternalFormat := GL_LUMINANCE12;
+end;
+
+constructor TfdLuminance16.Create;
+begin
+ inherited Create;
+ fFormat := tfLuminance16;
+ fWithAlpha := tfLuminance16Alpha16;
+ fWithoutAlpha := tfLuminance16;
+ fglInternalFormat := GL_LUMINANCE16;
+end;
+
+constructor TfdLuminance4Alpha4.Create;
+begin
+ inherited Create;
+ fFormat := tfLuminance4Alpha4;
+ fWithAlpha := tfLuminance4Alpha4;
+ fWithoutAlpha := tfLuminance4;
+ fglInternalFormat := GL_LUMINANCE4_ALPHA4;
+end;
+
+constructor TfdLuminance6Alpha2.Create;
+begin
+ inherited Create;
+ fFormat := tfLuminance6Alpha2;
+ fWithAlpha := tfLuminance6Alpha2;
+ fWithoutAlpha := tfLuminance8;
+ fglInternalFormat := GL_LUMINANCE6_ALPHA2;
+end;
+
+constructor TfdLuminance8Alpha8.Create;
+begin
+ inherited Create;
+ fFormat := tfLuminance8Alpha8;
+ fWithAlpha := tfLuminance8Alpha8;
+ fWithoutAlpha := tfLuminance8;
+ fglInternalFormat := GL_LUMINANCE8_ALPHA8;
+end;
+
+constructor TfdLuminance12Alpha4.Create;
+begin
+ inherited Create;
+ fFormat := tfLuminance12Alpha4;
+ fWithAlpha := tfLuminance12Alpha4;
+ fWithoutAlpha := tfLuminance12;
+ fglInternalFormat := GL_LUMINANCE12_ALPHA4;
+end;
+
+constructor TfdLuminance12Alpha12.Create;
+begin
+ inherited Create;
+ fFormat := tfLuminance12Alpha12;
+ fWithAlpha := tfLuminance12Alpha12;
+ fWithoutAlpha := tfLuminance12;
+ fglInternalFormat := GL_LUMINANCE12_ALPHA12;
+end;
+
+constructor TfdLuminance16Alpha16.Create;
+begin
+ inherited Create;
+ fFormat := tfLuminance16Alpha16;
+ fWithAlpha := tfLuminance16Alpha16;
+ fWithoutAlpha := tfLuminance16;
+ fglInternalFormat := GL_LUMINANCE16_ALPHA16;
+end;
+
+constructor TfdR3G3B2.Create;
+begin
+ inherited Create;
+ fFormat := tfR3G3B2;
+ fWithAlpha := tfRGBA2;
+ fWithoutAlpha := tfR3G3B2;
+ fRange.r := $7;
+ fRange.g := $7;
+ fRange.b := $3;
+ fShift.r := 0;
+ fShift.g := 3;
+ fShift.b := 6;
+ fglFormat := GL_RGB;
+ fglInternalFormat := GL_R3_G3_B2;
+ fglDataFormat := GL_UNSIGNED_BYTE_2_3_3_REV;
+end;
+
+constructor TfdRGB4.Create;
+begin
+ inherited Create;
+ fFormat := tfRGB4;
+ fWithAlpha := tfRGBA4;
+ fWithoutAlpha := tfRGB4;
+ fRGBInverted := tfBGR4;
+ fRange.r := $F;
+ fRange.g := $F;
+ fRange.b := $F;
+ fShift.r := 0;
+ fShift.g := 4;
+ fShift.b := 8;
+ fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA
+ fglInternalFormat := GL_RGB4;
+ fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV;
+end;
+
+constructor TfdR5G6B5.Create;
+begin
+ inherited Create;
+ fFormat := tfR5G6B5;
+ fWithAlpha := tfRGBA4;
+ fWithoutAlpha := tfR5G6B5;
+ fRGBInverted := tfB5G6R5;
+ fRange.r := $1F;
+ fRange.g := $3F;
+ fRange.b := $1F;
+ fShift.r := 0;
+ fShift.g := 5;
+ fShift.b := 11;
+ fglFormat := GL_RGB;
+ fglInternalFormat := GL_RGB565;
+ fglDataFormat := GL_UNSIGNED_SHORT_5_6_5_REV;
+end;
+
+constructor TfdRGB5.Create;
+begin
+ inherited Create;
+ fFormat := tfRGB5;
+ fWithAlpha := tfRGB5A1;
+ fWithoutAlpha := tfRGB5;
+ fRGBInverted := tfBGR5;
+ fRange.r := $1F;
+ fRange.g := $1F;
+ fRange.b := $1F;
+ fShift.r := 0;
+ fShift.g := 5;
+ fShift.b := 10;
+ fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA
+ fglInternalFormat := GL_RGB5;
+ fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV;
+end;
+
+constructor TfdRGB8.Create;
+begin
+ inherited Create;
+ fFormat := tfRGB8;
+ fWithAlpha := tfRGBA8;
+ fWithoutAlpha := tfRGB8;
+ fRGBInverted := tfBGR8;
+ fglInternalFormat := GL_RGB8;
+end;
+
+constructor TfdRGB10.Create;
+begin
+ inherited Create;
+ fFormat := tfRGB10;
+ fWithAlpha := tfRGB10A2;
+ fWithoutAlpha := tfRGB10;
+ fRGBInverted := tfBGR10;
+ fRange.r := $3FF;
+ fRange.g := $3FF;
+ fRange.b := $3FF;
+ fShift.r := 0;
+ fShift.g := 10;
+ fShift.b := 20;
+ fglFormat := GL_RGBA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA
+ fglInternalFormat := GL_RGB10;
+ fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV;
+end;
+
+constructor TfdRGB12.Create;
+begin
+ inherited Create;
+ fFormat := tfRGB12;
+ fWithAlpha := tfRGBA12;
+ fWithoutAlpha := tfRGB12;
+ fRGBInverted := tfBGR12;
+ fglInternalFormat := GL_RGB12;
+end;
+
+constructor TfdRGB16.Create;
+begin
+ inherited Create;
+ fFormat := tfRGB16;
+ fWithAlpha := tfRGBA16;
+ fWithoutAlpha := tfRGB16;
+ fRGBInverted := tfBGR16;
+ fglInternalFormat := GL_RGB16;
+end;
+
+constructor TfdRGBA2.Create;
+begin
+ inherited Create;
+ fFormat := tfRGBA2;
+ fWithAlpha := tfRGBA2;
+ fWithoutAlpha := tfR3G3B2;
+ fRGBInverted := tfBGRA2;
+ fglInternalFormat := GL_RGBA2;
+end;
+
+constructor TfdRGBA4.Create;
+begin
+ inherited Create;
+ fFormat := tfRGBA4;
+ fWithAlpha := tfRGBA4;
+ fWithoutAlpha := tfRGB4;
+ fRGBInverted := tfBGRA4;
+ fRange.r := $F;
+ fRange.g := $F;
+ fRange.b := $F;
+ fRange.a := $F;
+ fShift.r := 0;
+ fShift.g := 4;
+ fShift.b := 8;
+ fShift.a := 12;
+ fglFormat := GL_RGBA;
+ fglInternalFormat := GL_RGBA4;
+ fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV;
+end;
+
+constructor TfdRGB5A1.Create;
+begin
+ inherited Create;
+ fFormat := tfRGB5A1;
+ fWithAlpha := tfRGB5A1;
+ fWithoutAlpha := tfRGB5;
+ fRGBInverted := tfBGR5A1;
+ fRange.r := $1F;
+ fRange.g := $1F;
+ fRange.b := $1F;
+ fRange.a := $01;
+ fShift.r := 0;
+ fShift.g := 5;
+ fShift.b := 10;
+ fShift.a := 15;
+ fglFormat := GL_RGBA;
+ fglInternalFormat := GL_RGB5_A1;
+ fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV;
+end;
+
+constructor TfdRGBA8.Create;
+begin
+ inherited Create;
+ fFormat := tfRGBA8;
+ fWithAlpha := tfRGBA8;
+ fWithoutAlpha := tfRGB8;
+ fRGBInverted := tfBGRA8;
+ fglInternalFormat := GL_RGBA8;
+end;
+
+constructor TfdRGB10A2.Create;
+begin
+ inherited Create;
+ fFormat := tfRGB10A2;
+ fWithAlpha := tfRGB10A2;
+ fWithoutAlpha := tfRGB10;
+ fRGBInverted := tfBGR10A2;
+ fRange.r := $3FF;
+ fRange.g := $3FF;
+ fRange.b := $3FF;
+ fRange.a := $003;
+ fShift.r := 0;
+ fShift.g := 10;
+ fShift.b := 20;
+ fShift.a := 30;
+ fglFormat := GL_RGBA;
+ fglInternalFormat := GL_RGB10_A2;
+ fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV;
+end;
+
+constructor TfdRGBA12.Create;
+begin
+ inherited Create;
+ fFormat := tfRGBA12;
+ fWithAlpha := tfRGBA12;
+ fWithoutAlpha := tfRGB12;
+ fRGBInverted := tfBGRA12;
+ fglInternalFormat := GL_RGBA12;
+end;
+
+constructor TfdRGBA16.Create;
+begin
+ inherited Create;
+ fFormat := tfRGBA16;
+ fWithAlpha := tfRGBA16;
+ fWithoutAlpha := tfRGB16;
+ fRGBInverted := tfBGRA16;
+ fglInternalFormat := GL_RGBA16;
+end;
+
+constructor TfdBGR4.Create;
+begin
+ inherited Create;
+ fPixelSize := 2.0;
+ fFormat := tfBGR4;
+ fWithAlpha := tfBGRA4;
+ fWithoutAlpha := tfBGR4;
+ fRGBInverted := tfRGB4;
+ fRange.r := $F;
+ fRange.g := $F;
+ fRange.b := $F;
+ fRange.a := $0;
+ fShift.r := 8;
+ fShift.g := 4;
+ fShift.b := 0;
+ fShift.a := 0;
+ fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA
+ fglInternalFormat := GL_RGB4;
+ fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV;
end;
-{$REGION TfdRGBA8}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdRGBA8////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdRGBA8.GetFormat: TglBitmapFormat;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+constructor TfdB5G6R5.Create;
+begin
+ inherited Create;
+ fFormat := tfB5G6R5;
+ fWithAlpha := tfBGRA4;
+ fWithoutAlpha := tfB5G6R5;
+ fRGBInverted := tfR5G6B5;
+ fRange.r := $1F;
+ fRange.g := $3F;
+ fRange.b := $1F;
+ fShift.r := 11;
+ fShift.g := 5;
+ fShift.b := 0;
+ fglFormat := GL_RGB; //B5G6R5 is only possible as R5G6B5 -> use reverted dataformat
+ fglInternalFormat := GL_RGB8;
+ fglDataFormat := GL_UNSIGNED_SHORT_5_6_5;
+end;
+
+constructor TfdBGR5.Create;
+begin
+ inherited Create;
+ fPixelSize := 2.0;
+ fFormat := tfBGR5;
+ fWithAlpha := tfBGR5A1;
+ fWithoutAlpha := tfBGR5;
+ fRGBInverted := tfRGB5;
+ fRange.r := $1F;
+ fRange.g := $1F;
+ fRange.b := $1F;
+ fRange.a := $00;
+ fShift.r := 10;
+ fShift.g := 5;
+ fShift.b := 0;
+ fShift.a := 0;
+ fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA
+ fglInternalFormat := GL_RGB5;
+ fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV;
+end;
+
+constructor TfdBGR8.Create;
begin
- result := tfRGBA8;
+ inherited Create;
+ fFormat := tfBGR8;
+ fWithAlpha := tfBGRA8;
+ fWithoutAlpha := tfBGR8;
+ fRGBInverted := tfRGB8;
+ fglInternalFormat := GL_RGB8;
end;
-class function TfdRGBA8.GetPixelDesc: TglBitmapPixelDesc;
+constructor TfdBGR10.Create;
begin
- with result do begin
- RedRange := $000000FF; RedShift := 0;
- GreenRange := $000000FF; GreenShift := 8;
- BlueRange := $000000FF; BlueShift := 16;
- AlphaRange := $000000FF; AlphaShift := 24;
- end;
+ inherited Create;
+ fFormat := tfBGR10;
+ fWithAlpha := tfBGR10A2;
+ fWithoutAlpha := tfBGR10;
+ fRGBInverted := tfRGB10;
+ fRange.r := $3FF;
+ fRange.g := $3FF;
+ fRange.b := $3FF;
+ fRange.a := $000;
+ fShift.r := 20;
+ fShift.g := 10;
+ fShift.b := 0;
+ fShift.a := 0;
+ fglFormat := GL_BGRA; //GL_INVALID_OPERATION if not GL_BGRA or GL_RGBA
+ fglInternalFormat := GL_RGB10;
+ fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV;
+end;
+
+constructor TfdBGR12.Create;
+begin
+ inherited Create;
+ fFormat := tfBGR12;
+ fWithAlpha := tfBGRA12;
+ fWithoutAlpha := tfBGR12;
+ fRGBInverted := tfRGB12;
+ fglInternalFormat := GL_RGB12;
end;
-class function TfdRGBA8.GetFormatDesc: TglBitmapFormatDesc;
+constructor TfdBGR16.Create;
begin
- with result do begin
- Format := GL_RGB;
- InternalFormat := GL_RGB8;
- DataType := GL_UNSIGNED_BYTE;
- end;
+ inherited Create;
+ fFormat := tfBGR16;
+ fWithAlpha := tfBGRA16;
+ fWithoutAlpha := tfBGR16;
+ fRGBInverted := tfRGB16;
+ fglInternalFormat := GL_RGB16;
end;
-class function TfdRGBA8.WithoutAlpha: TglBitmapFormat;
+constructor TfdBGRA2.Create;
begin
- result := tfRGB8;
+ inherited Create;
+ fFormat := tfBGRA2;
+ fWithAlpha := tfBGRA4;
+ fWithoutAlpha := tfBGR4;
+ fRGBInverted := tfRGBA2;
+ fglInternalFormat := GL_RGBA2;
end;
-class procedure TfdRGBA8.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
+constructor TfdBGRA4.Create;
begin
- aData^ := aPixel.Red;
- inc(aData);
- aData^ := aPixel.Green;
- inc(aData);
- aData^ := aPixel.Blue;
- inc(aData);
- aData^ := aPixel.Alpha;
- inc(aData);
+ inherited Create;
+ fFormat := tfBGRA4;
+ fWithAlpha := tfBGRA4;
+ fWithoutAlpha := tfBGR4;
+ fRGBInverted := tfRGBA4;
+ fRange.r := $F;
+ fRange.g := $F;
+ fRange.b := $F;
+ fRange.a := $F;
+ fShift.r := 8;
+ fShift.g := 4;
+ fShift.b := 0;
+ fShift.a := 12;
+ fglFormat := GL_BGRA;
+ fglInternalFormat := GL_RGBA4;
+ fglDataFormat := GL_UNSIGNED_SHORT_4_4_4_4_REV;
+end;
+
+constructor TfdBGR5A1.Create;
+begin
+ inherited Create;
+ fFormat := tfBGR5A1;
+ fWithAlpha := tfBGR5A1;
+ fWithoutAlpha := tfBGR5;
+ fRGBInverted := tfRGB5A1;
+ fRange.r := $1F;
+ fRange.g := $1F;
+ fRange.b := $1F;
+ fRange.a := $01;
+ fShift.r := 10;
+ fShift.g := 5;
+ fShift.b := 0;
+ fShift.a := 15;
+ fglFormat := GL_BGRA;
+ fglInternalFormat := GL_RGB5_A1;
+ fglDataFormat := GL_UNSIGNED_SHORT_1_5_5_5_REV;
+end;
+
+constructor TfdBGRA8.Create;
+begin
+ inherited Create;
+ fFormat := tfBGRA8;
+ fWithAlpha := tfBGRA8;
+ fWithoutAlpha := tfBGR8;
+ fRGBInverted := tfRGBA8;
+ fglInternalFormat := GL_RGBA8;
end;
-class procedure TfdRGBA8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+constructor TfdBGR10A2.Create;
begin
- aPixel.Red := aData^;
- inc(aData);
- aPixel.Green := aData^;
- inc(aData);
- aPixel.Blue := aData^;
- inc(aData);
- aPixel.Alpha := aData^;
- inc(aData);
+ inherited Create;
+ fFormat := tfBGR10A2;
+ fWithAlpha := tfBGR10A2;
+ fWithoutAlpha := tfBGR10;
+ fRGBInverted := tfRGB10A2;
+ fRange.r := $3FF;
+ fRange.g := $3FF;
+ fRange.b := $3FF;
+ fRange.a := $003;
+ fShift.r := 20;
+ fShift.g := 10;
+ fShift.b := 0;
+ fShift.a := 30;
+ fglFormat := GL_BGRA;
+ fglInternalFormat := GL_RGB10_A2;
+ fglDataFormat := GL_UNSIGNED_INT_2_10_10_10_REV;
+end;
+
+constructor TfdBGRA12.Create;
+begin
+ inherited Create;
+ fFormat := tfBGRA12;
+ fWithAlpha := tfBGRA12;
+ fWithoutAlpha := tfBGR12;
+ fRGBInverted := tfRGBA12;
+ fglInternalFormat := GL_RGBA12;
+end;
+
+constructor TfdBGRA16.Create;
+begin
+ inherited Create;
+ fFormat := tfBGRA16;
+ fWithAlpha := tfBGRA16;
+ fWithoutAlpha := tfBGR16;
+ fRGBInverted := tfRGBA16;
+ fglInternalFormat := GL_RGBA16;
+end;
+
+constructor TfdDepth16.Create;
+begin
+ inherited Create;
+ fFormat := tfDepth16;
+ fWithAlpha := tfEmpty;
+ fWithoutAlpha := tfDepth16;
+ fglInternalFormat := GL_DEPTH_COMPONENT16;
+end;
+
+constructor TfdDepth24.Create;
+begin
+ inherited Create;
+ fFormat := tfDepth24;
+ fWithAlpha := tfEmpty;
+ fWithoutAlpha := tfDepth24;
+ fglInternalFormat := GL_DEPTH_COMPONENT24;
+end;
+
+constructor TfdDepth32.Create;
+begin
+ inherited Create;
+ fFormat := tfDepth32;
+ fWithAlpha := tfEmpty;
+ fWithoutAlpha := tfDepth32;
+ fglInternalFormat := GL_DEPTH_COMPONENT32;
end;
-{$ENDREGION}
-{$REGION TfdBGR8}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdBGR8/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TFormatDescriptor///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdBGR8.GetFormat: TglBitmapFormat;
+class procedure TFormatDescriptor.Init;
begin
- result := tfBGR8;
+ if not Assigned(FormatDescriptorCS) then
+ FormatDescriptorCS := TCriticalSection.Create;
end;
-class function TfdBGR8.GetPixelDesc: TglBitmapPixelDesc;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+class function TFormatDescriptor.Get(const aFormat: TglBitmapFormat): TFormatDescriptor;
begin
- with result do begin
- RedRange := $000000FF; RedShift := 16;
- GreenRange := $000000FF; GreenShift := 8;
- BlueRange := $000000FF; BlueShift := 0;
- AlphaRange := $00000000; AlphaShift := 0;
+ FormatDescriptorCS.Enter;
+ try
+ result := FormatDescriptors[aFormat];
+ if not Assigned(result) then begin
+ result := FORMAT_DESCRIPTOR_CLASSES[aFormat].Create;
+ FormatDescriptors[aFormat] := result;
+ end;
+ finally
+ FormatDescriptorCS.Leave;
end;
end;
-class function TfdBGR8.GetFormatDesc: TglBitmapFormatDesc;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+class function TFormatDescriptor.GetWithAlpha(const aFormat: TglBitmapFormat): TFormatDescriptor;
begin
- with result do begin
- Format := GL_BGR;
- InternalFormat := GL_RGB8;
- DataType := GL_UNSIGNED_BYTE;
+ result := Get(Get(aFormat).WithAlpha);
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+class procedure TFormatDescriptor.Clear;
+var
+ f: TglBitmapFormat;
+begin
+ FormatDescriptorCS.Enter;
+ try
+ for f := low(FormatDescriptors) to high(FormatDescriptors) do
+ FreeAndNil(FormatDescriptors[f]);
+ finally
+ FormatDescriptorCS.Leave;
end;
end;
-class function TfdBGR8.WithAlpha: TglBitmapFormat;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+class procedure TFormatDescriptor.Finalize;
+begin
+ Clear;
+ FreeAndNil(FormatDescriptorCS);
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TBitfieldFormat/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TbmpBitfieldFormat.SetRedMask(const aValue: UInt64);
begin
- result := tfBGRA8;
+ Update(aValue, fRange.r, fShift.r);
end;
-class procedure TfdBGR8.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TbmpBitfieldFormat.SetGreenMask(const aValue: UInt64);
begin
- aData^ := aPixel.Blue;
- inc(aData);
- aData^ := aPixel.Green;
- inc(aData);
- aData^ := aPixel.Red;
- inc(aData);
+ Update(aValue, fRange.g, fShift.g);
end;
-class procedure TfdBGR8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TbmpBitfieldFormat.SetBlueMask(const aValue: UInt64);
begin
- aPixel.Blue := aData^;
- inc(aData);
- aPixel.Green := aData^;
- inc(aData);
- aPixel.Red := aData^;
- inc(aData);
+ Update(aValue, fRange.b, fShift.b);
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TbmpBitfieldFormat.SetAlphaMask(const aValue: UInt64);
+begin
+ Update(aValue, fRange.a, fShift.a);
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TbmpBitfieldFormat.Update(aMask: UInt64; out aRange: Cardinal; out
+ aShift: Byte);
+begin
+ aShift := 0;
+ aRange := 0;
+ if (aMask = 0) then
+ exit;
+ while (aMask > 0) and ((aMask and 1) = 0) do begin
+ inc(aShift);
+ aMask := aMask shr 1;
+ end;
+ aRange := 1;
+ while (aMask > 0) do begin
+ aRange := aRange shl 1;
+ aMask := aMask shr 1;
+ end;
+ dec(aRange);
+
+ fPixelSize := Round(GetTopMostBit(RedMask or GreenMask or BlueMask or AlphaMask) / 8);
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TbmpBitfieldFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
+var
+ data: UInt64;
+ s: Integer;
+type
+ PUInt64 = ^UInt64;
+begin
+ data :=
+ ((aPixel.Data.r and fRange.r) shl fShift.r) or
+ ((aPixel.Data.g and fRange.g) shl fShift.g) or
+ ((aPixel.Data.b and fRange.b) shl fShift.b) or
+ ((aPixel.Data.a and fRange.a) shl fShift.a);
+ s := Round(fPixelSize);
+ case s of
+ 1: aData^ := data;
+ 2: PWord(aData)^ := data;
+ 4: PCardinal(aData)^ := data;
+ 8: PUInt64(aData)^ := data;
+ else
+ raise EglBitmapException.CreateFmt('invalid pixel size: %.1f', [fPixelSize]);
+ end;
+ inc(aData, s);
+end;
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TbmpBitfieldFormat.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
+var
+ data: UInt64;
+ s, i: Integer;
+type
+ PUInt64 = ^UInt64;
+begin
+ s := Round(fPixelSize);
+ case s of
+ 1: data := aData^;
+ 2: data := PWord(aData)^;
+ 4: data := PCardinal(aData)^;
+ 8: data := PUInt64(aData)^;
+ else
+ raise EglBitmapException.CreateFmt('invalid pixel size: %.1f', [fPixelSize]);
+ end;
+ for i := 0 to 3 do
+ aPixel.Data.arr[i] := (data shr fShift.arr[i]) and fRange.arr[i];
+ inc(aData, s);
end;
-{$ENDREGION}
-{$REGION TfdBGRA8}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//TfdBGRA8////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//TColorTableFormat///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class function TfdBGRA8.GetFormat: TglBitmapFormat;
+procedure TbmpColorTableFormat.CreateColorTable;
+var
+ bits: Byte;
+ len: Integer;
+ i: Integer;
begin
- result := tfBGRA8;
+ if not (Format in [tfLuminance4, tfLuminance8, tfR3G3B2]) then
+ raise EglBitmapException.Create(UNSUPPORTED_FORMAT);
+
+ if (Format = tfLuminance4) then
+ SetLength(fColorTable, 16)
+ else
+ SetLength(fColorTable, 256);
+
+ case Format of
+ tfLuminance4: begin
+ for i := 0 to High(fColorTable) do begin
+ fColorTable[i].r := 16 * i;
+ fColorTable[i].g := 16 * i;
+ fColorTable[i].b := 16 * i;
+ fColorTable[i].a := 0;
+ end;
+ end;
+
+ tfLuminance8: begin
+ for i := 0 to High(fColorTable) do begin
+ fColorTable[i].r := i;
+ fColorTable[i].g := i;
+ fColorTable[i].b := i;
+ fColorTable[i].a := 0;
+ end;
+ end;
+
+ tfR3G3B2: begin
+ for i := 0 to High(fColorTable) do begin
+ fColorTable[i].r := Round(((i shr Shift.r) and Range.r) / Range.r * 255);
+ fColorTable[i].g := Round(((i shr Shift.g) and Range.g) / Range.g * 255);
+ fColorTable[i].b := Round(((i shr Shift.b) and Range.b) / Range.b * 255);
+ fColorTable[i].a := 0;
+ end;
+ end;
+ end;
end;
-class function TfdBGRA8.GetPixelDesc: TglBitmapPixelDesc;
-begin
- with result do begin
- RedRange := $000000FF; RedShift := 16;
- GreenRange := $000000FF; GreenShift := 8;
- BlueRange := $000000FF; BlueShift := 0;
- AlphaRange := $000000FF; AlphaShift := 24;
- end;
-end;
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+procedure TbmpColorTableFormat.Map(const aPixel: TglBitmapPixelData; var aData: PByte; var aMapData: Pointer);
+var
+ d: Byte;
+begin
+ if not (Format in [tfLuminance4, tfLuminance8, tfR3G3B2]) then
+ raise EglBitmapException.Create(UNSUPPORTED_FORMAT);
+
+ case Format of
+ tfLuminance4: begin
+ if (aMapData = nil) then
+ aData^ := 0;
+ d := LuminanceWeight(aPixel) and Range.r;
+ aData^ := aData^ or (d shl (4 - PtrInt(aMapData)));
+ inc(aMapData, 4);
+ if (PtrInt(aMapData) >= 8) then begin
+ inc(aData);
+ aMapData := nil;
+ end;
+ end;
+
+ tfLuminance8: begin
+ aData^ := LuminanceWeight(aPixel) and Range.r;
+ inc(aData);
+ end;
-class function TfdBGRA8.GetFormatDesc: TglBitmapFormatDesc;
-begin
- with result do begin
- Format := GL_BGRA;
- InternalFormat := GL_RGBA8;
- DataType := GL_UNSIGNED_BYTE;
+ tfR3G3B2: begin
+ aData^ := Round(
+ ((aPixel.Data.r and Range.r) shl Shift.r) or
+ ((aPixel.Data.g and Range.g) shl Shift.g) or
+ ((aPixel.Data.b and Range.b) shl Shift.b));
+ inc(aData);
+ end;
end;
end;
-class function TfdBGRA8.WithoutAlpha: TglBitmapFormat;
-begin
- result := tfBGR8;
-end;
-
-class procedure TfdBGRA8.Map(const aPixel: TglBitmapPixelData; var aData: PByte);
+procedure TbmpColorTableFormat.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData; var aMapData: Pointer);
+type
+ PUInt64 = ^UInt64;
+var
+ idx: UInt64;
+ s: Integer;
+ bits: Byte;
+ f: Single;
begin
- aData^ := aPixel.Blue;
- inc(aData);
- aData^ := aPixel.Green;
- inc(aData);
- aData^ := aPixel.Red;
- inc(aData);
- aData^ := aPixel.Alpha;
- inc(aData);
+ s := Trunc(fPixelSize);
+ f := fPixelSize - s;
+ bits := Round(8 * f);
+ case s of
+ 0: idx := (aData^ shr (8 - bits - PtrInt(aMapData))) and ((1 shl bits) - 1);
+ 1: idx := aData^;
+ 2: idx := PWord(aData)^;
+ 4: idx := PCardinal(aData)^;
+ 8: idx := PUInt64(aData)^;
+ else
+ raise EglBitmapException.CreateFmt('invalid pixel size: %.3f', [fPixelSize]);
+ end;
+ if (idx >= Length(fColorTable)) then
+ raise EglBitmapException.CreateFmt('invalid color index: %d', [idx]);
+ with fColorTable[idx] do begin
+ aPixel.Data.r := r;
+ aPixel.Data.g := g;
+ aPixel.Data.b := b;
+ aPixel.Data.a := a;
+ end;
+ inc(aMapData, bits);
+ if (PtrInt(aMapData) >= 8) then begin
+ inc(aData, 1);
+ dec(aMapData, 8);
+ end;
+ inc(aData, s);
end;
-class procedure TfdBGRA8.Unmap(var aData: PByte; var aPixel: TglBitmapPixelData);
+destructor TbmpColorTableFormat.Destroy;
begin
- aPixel.Blue := aData^;
- inc(aData);
- aPixel.Green := aData^;
- inc(aData);
- aPixel.Red := aData^;
- inc(aData);
- aPixel.Alpha := aData^;
- inc(aData);
+ SetLength(fColorTable, 0);
+ inherited Destroy;
end;
-{$ENDREGION}
-{$REGION TglBitmap}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//TglBitmap - Helper//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapConvertCopyFunc(var aFuncRec: TglBitmapFunctionRec);
begin
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;
+ if (Source.Range.r > 0) then
+ Dest.Data.r := Source.Data.r;
+ if (Source.Range.g > 0) then
+ Dest.Data.g := Source.Data.g;
+ if (Source.Range.b > 0) then
+ Dest.Data.b := Source.Data.b;
+ if (Source.Range.a > 0) then
+ Dest.Data.a := Source.Data.a;
end;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapConvertCalculateRGBAFunc(var aFuncRec: TglBitmapFunctionRec);
+var
+ i: Integer;
begin
with aFuncRec do begin
- 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);
+ for i := 0 to 3 do
+ if (Source.Range.arr[i] > 0) then
+ Dest.Data.arr[i] := Round(Dest.Range.arr[i] * Source.Data.arr[i] / Source.Range.arr[i]);
end;
end;
+type
+ TShiftData = packed record
+ case Integer of
+ 0: (r, g, b, a: SmallInt);
+ 1: (arr: array[0..3] of SmallInt);
+ end;
+ PShiftData = ^TShiftData;
+
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapConvertShiftRGBAFunc(var aFuncRec: TglBitmapFunctionRec);
+var
+ i: Integer;
begin
with aFuncRec do
- 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;
+ for i := 0 to 3 do
+ if (Source.Range.arr[i] > 0) then
+ Dest.Data.arr[i] := Source.Data.arr[i] shr PShiftData(Args)^.arr[i];
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapInvertFunc(var aFuncRec: TglBitmapFunctionRec);
begin
with aFuncRec do begin
- Dest.Red := Source.Red;
- Dest.Green := Source.Green;
- Dest.Blue := Source.Blue;
- Dest.Alpha := Source.Alpha;
+ Dest.Data.r := Source.Data.r;
+ Dest.Data.g := Source.Data.g;
+ Dest.Data.b := Source.Data.b;
+ Dest.Data.a := Source.Data.a;
if (Args and $1 > 0) then begin
- Dest.Red := Dest.Red xor Dest.PixelDesc.RedRange;
- Dest.Green := Dest.Green xor Dest.PixelDesc.GreenRange;
- Dest.Blue := Dest.Blue xor Dest.PixelDesc.BlueRange;
+ Dest.Data.r := Dest.Data.r xor Dest.Range.r;
+ Dest.Data.g := Dest.Data.g xor Dest.Range.g;
+ Dest.Data.b := Dest.Data.b xor Dest.Range.b;
end;
if (Args and $2 > 0) then begin
- Dest.Alpha := Dest.Alpha xor Dest.PixelDesc.AlphaRange;
+ Dest.Data.a := Dest.Data.a xor Dest.Range.a;
end;
end;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapFillWithColorFunc(var aFuncRec: TglBitmapFunctionRec);
-type
- PglBitmapPixelData = ^TglBitmapPixelData;
+var
+ i: Integer;
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;
+ for i := 0 to 3 do
+ Dest.Data.arr[i] := PglBitmapPixelData(Args)^.Data.arr[i];
end;
end;
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);
+ Source.Data.r / Source.Range.r * ALPHA_WEIGHT_R +
+ Source.Data.g / Source.Range.g * ALPHA_WEIGHT_G +
+ Source.Data.b / Source.Range.b * ALPHA_WEIGHT_B;
+ Dest.Data.a := Round(Dest.Range.a * Temp);
end else
- Dest.Alpha := Round(Source.Alpha / Source.PixelDesc.AlphaRange * Dest.PixelDesc.AlphaRange);
+ Dest.Data.a := Round(Source.Data.a / Source.Range.a * Dest.Range.a);
end;
end;
PglBitmapPixelData = ^TglBitmapPixelData;
begin
with FuncRec do begin
- Dest.Red := Source.Red;
- Dest.Green := Source.Green;
- Dest.Blue := Source.Blue;
+ Dest.Data.r := Source.Data.r;
+ Dest.Data.g := Source.Data.g;
+ Dest.Data.b := Source.Data.b;
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
+ if ((Dest.Data.r <= Data.r) and (Dest.Data.r >= Range.r) and
+ (Dest.Data.g <= Data.g) and (Dest.Data.g >= Range.g) and
+ (Dest.Data.b <= Data.b) and (Dest.Data.b >= Range.b)) then
+ Dest.Data.a := 0
else
- Dest.Alpha := Dest.PixelDesc.AlphaRange;
+ Dest.Data.a := Dest.Range.a;
end;
end;
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;
+ Dest.Data.r := Source.Data.r;
+ Dest.Data.g := Source.Data.g;
+ Dest.Data.b := Source.Data.b;
+ Dest.Data.a := PCardinal(Args)^;
end;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//TglBitmap - PROTECTED///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-{$REGION Getter}
function TglBitmap.GetWidth: Integer;
begin
if (ffX in fDimension.Fields) then
begin
result := Max(1, Height);
end;
-{$ENDREGION}
-{$REGION Setter}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmap.SetCustomData(const aValue: Pointer);
begin
begin
if fFormat = aValue then
exit;
- if (FORMAT_DESCRIPTORS[Format].GetSize <> FORMAT_DESCRIPTORS[aValue].GetSize) then
+ if TFormatDescriptor.Get(Format).PixelSize <> TFormatDescriptor.Get(aValue).PixelSize then
raise EglBitmapUnsupportedFormatFormat.Create('SetInternalFormat - ' + UNSUPPORTED_FORMAT);
SetDataPointer(Data, aValue, Width, Height);
end;
end;
end;
end;
-{$ENDREGION}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmap.CreateID;
fDimension.Y := aHeight;
end;
- s := FORMAT_DESCRIPTORS[aFormat].GetSize;
+ s := TFormatDescriptor.Get(aFormat).PixelSize;
fFormat := aFormat;
fPixelSize := Ceil(s);
fRowSize := Ceil(s * aWidth);
var
fs: TFileStream;
begin
+ if not FileExists(aFilename) then
+ raise EglBitmapException.Create('file does not exist: ' + aFilename);
fFilename := aFilename;
fs := TFileStream.Create(fFilename, fmOpenRead);
try
tmpData: PByte;
size: Integer;
begin
- size := FORMAT_DESCRIPTORS[aFormat].GetSize(aSize);
+ size := TFormatDescriptor.Get(aFormat).GetSize(aSize);
GetMem(tmpData, size);
try
FillChar(tmpData^, size, #$FF);
var
DestData, TmpData, SourceData: pByte;
TempHeight, TempWidth: Integer;
- SourceFD, DestFD: TglBitmapFormatDescClass;
+ SourceFD, DestFD: TFormatDescriptor;
+ SourceMD, DestMD: Pointer;
FuncRec: TglBitmapFunctionRec;
begin
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];
+ SourceFD := TFormatDescriptor.Get(aSource.Format);
+ DestFD := TFormatDescriptor.Get(aFormat);
// inkompatible Formats so CreateTemp
- if (SourceFD.GetSize <> DestFD.GetSize) then
+ if (SourceFD.PixelSize <> DestFD.PixelSize) then
aCreateTemp := true;
// Values
TmpData := nil;
if aCreateTemp then begin
- GetMem(TmpData, Ceil(FORMAT_DESCRIPTORS[aFormat].GetSize * TempHeight * TempWidth));
+ GetMem(TmpData, TFormatDescriptor.Get(aFormat).GetSize(TempWidth, TempHeight));
DestData := TmpData;
end else
DestData := Data;
SourceFD.PreparePixel(FuncRec.Source);
DestFD.PreparePixel (FuncRec.Dest);
+ SourceMD := SourceFD.CreateMappingData;
+ DestMD := DestFD.CreateMappingData;
+
FuncRec.Size := aSource.Dimension;
FuncRec.Position.Fields := FuncRec.Size.Fields;
- if {FormatIsUncompressed(Source.InternalFormat)} true then begin
+ try
SourceData := aSource.Data;
FuncRec.Position.Y := 0;
while FuncRec.Position.Y < TempHeight do begin
FuncRec.Position.X := 0;
while FuncRec.Position.X < TempWidth do begin
- SourceFD.Unmap(SourceData, FuncRec.Source);
+ SourceFD.Unmap(SourceData, FuncRec.Source, SourceMD);
aFunc(FuncRec);
- DestFD.Map(FuncRec.Dest, DestData);
+ DestFD.Map(FuncRec.Dest, DestData, DestMD);
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;
- // Updating Image or InternalFormat
- if aCreateTemp then
- SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height)
- else if (aFormat <> fFormat) then
- Format := aFormat;
+ // Updating Image or InternalFormat
+ if aCreateTemp then
+ SetDataPointer(TmpData, aFormat, aSource.Width, aSource.Height)
+ else if (aFormat <> fFormat) then
+ Format := aFormat;
- result := true;
+ result := true;
+ finally
+ SourceFD.FreeMappingData(SourceMD);
+ DestFD.FreeMappingData(DestMD);
+ end;
except
if aCreateTemp then
FreeMem(TmpData);
if not FormatIsUncompressed(InternalFormat) then
raise EglBitmapUnsupportedFormatFormat.Create('AddAlphaFromFunc - ' + UNSUPPORTED_FORMAT);
*)
- result := AddFunc(Self, aFunc, false, FORMAT_DESCRIPTORS[Format].WithAlpha, aArgs);
+ result := AddFunc(Self, aFunc, false, TFormatDescriptor.Get(Format).WithAlpha, aArgs);
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
var
DestData, DestData2, SourceData: pByte;
TempHeight, TempWidth: Integer;
- SourceFD, DestFD: TglBitmapFormatDescClass;
+ SourceFD, DestFD: TFormatDescriptor;
+ SourceMD, DestMD, DestMD2: Pointer;
FuncRec: TglBitmapFunctionRec;
begin
Assert(Assigned(aBitmap.Data));
if ((aBitmap.Width = Width) and (aBitmap.Height = Height)) then begin
- result := ConvertTo(FORMAT_DESCRIPTORS[Format].WithAlpha);
+ result := ConvertTo(TFormatDescriptor.Get(Format).WithAlpha);
if not Assigned(aFunc) then
aFunc := glBitmapAlphaFunc;
- SourceFD := FORMAT_DESCRIPTORS[aBitmap.Format];
- DestFD := FORMAT_DESCRIPTORS[Format];
+ SourceFD := TFormatDescriptor.Get(aBitmap.Format);
+ DestFD := TFormatDescriptor.Get(Format);
// Values
TempHeight := aBitmap.FileHeight;
SourceFD.PreparePixel(FuncRec.Source);
DestFD.PreparePixel (FuncRec.Dest);
- 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);
+ SourceMD := SourceFD.CreateMappingData;
+ DestMD := DestFD.CreateMappingData;
+ DestMD2 := DestFD.CreateMappingData;
+ try
+ FuncRec.Position.Y := 0;
+ while FuncRec.Position.Y < TempHeight do begin
+ FuncRec.Position.X := 0;
+ while FuncRec.Position.X < TempWidth do begin
+ SourceFD.Unmap(SourceData, FuncRec.Source, SourceMD);
+ DestFD.Unmap (DestData, FuncRec.Dest, DestMD);
+ aFunc(FuncRec);
+ DestFD.Map(FuncRec.Dest, DestData2, DestMD2);
+ inc(FuncRec.Position.X);
+ end;
+ inc(FuncRec.Position.Y);
end;
- inc(FuncRec.Position.Y);
+ finally
+ SourceFD.FreeMappingData(SourceMD);
+ DestFD.FreeMappingData(DestMD);
+ DestFD.FreeMappingData(DestMD2);
end;
end;
end;
-
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function TglBitmap.AddAlphaFromColorKey(const aRed, aGreen, aBlue: Byte; const aDeviation: Byte): Boolean;
begin
var
PixelData: TglBitmapPixelData;
begin
- FORMAT_DESCRIPTORS[FORMAT_DESCRIPTORS[Format].WithAlpha].PreparePixel(PixelData);
+ TFormatDescriptor.GetWithAlpha(Format).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)));
+ aRed / PixelData.Range.r,
+ aGreen / PixelData.Range.g,
+ aBlue / PixelData.Range.b,
+ aDeviation / Max(PixelData.Range.r, Max(PixelData.Range.g, PixelData.Range.b)));
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function TglBitmap.AddAlphaFromColorKeyFloat(const aRed, aGreen, aBlue: Single; const aDeviation: Single): Boolean;
var
- TempR, TempG, TempB: Cardinal;
+ values: array[0..2] of Single;
+ tmp: Cardinal;
+ i: Integer;
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;
+ TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData);
+ with PixelData do begin
+ values[0] := aRed;
+ values[1] := aGreen;
+ values[2] := aBlue;
+
+ for i := 0 to 2 do begin
+ tmp := Trunc(Range.arr[i] * aDeviation);
+ Data.arr[i] := Min(Range.arr[i], Trunc(Range.arr[i] * values[i] + tmp));
+ Range.arr[i] := Max(0, Trunc(Range.arr[i] * values[i] - tmp));
+ end;
+ Data.a := 0;
+ Range.a := 0;
end;
result := AddAlphaFromFunc(glBitmapColorKeyAlphaFunc, PtrInt(@PixelData));
end;
var
PixelData: TglBitmapPixelData;
begin
- FORMAT_DESCRIPTORS[FORMAT_DESCRIPTORS[Format].WithAlpha].PreparePixel(PixelData);
- result := AddAlphaFromValueFloat(aAlpha / PixelData.PixelDesc.AlphaRange);
+ TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData);
+ result := AddAlphaFromValueFloat(aAlpha / PixelData.Range.a);
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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));
+ TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData);
+ with PixelData do
+ Data.a := Min(Range.a, Max(0, Round(Range.a * aAlpha)));
+ result := AddAlphaFromFunc(glBitmapValueAlphaFunc, PtrInt(@PixelData.Data.a));
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function TglBitmap.RemoveAlpha: Boolean;
var
- FormatDesc: TglBitmapFormatDescClass;
+ FormatDesc: TFormatDescriptor;
begin
result := false;
- FormatDesc := FORMAT_DESCRIPTORS[Format];
+ FormatDesc := TFormatDescriptor.Get(Format);
if Assigned(Data) then begin
if not ({FormatDesc.IsUncompressed or }FormatDesc.HasAlpha) then
raise EglBitmapUnsupportedFormatFormat.Create('RemoveAlpha - ' + UNSUPPORTED_FORMAT);
try
// copy texture data if assigned
if Assigned(Data) then begin
- Size := FORMAT_DESCRIPTORS[Format].GetSize(fDimension);
+ Size := TFormatDescriptor.Get(Format).GetSize(fDimension);
GetMem(TempPtr, Size);
try
Move(Data^, TempPtr^, Size);
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function TglBitmap.ConvertTo(const aFormat: TglBitmapFormat): Boolean;
var
- SourceFD, DestFD: TglBitmapFormatDescClass;
+ SourceFD, DestFD: TFormatDescriptor;
SourcePD, DestPD: TglBitmapPixelData;
- PixelDesc: TglBitmapPixelDesc;
+ ShiftData: TShiftData;
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));
+ ((SourcePD.Range.r = DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and
+ ((SourcePD.Range.g = DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and
+ ((SourcePD.Range.b = DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and
+ ((SourcePD.Range.a = DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0));
end;
function CanShift: Boolean;
begin
result :=
- ((SourcePD.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));
+ ((SourcePD.Range.r >= DestPD.Range.r) or (SourcePD.Range.r = 0) or (DestPD.Range.r = 0)) and
+ ((SourcePD.Range.g >= DestPD.Range.g) or (SourcePD.Range.g = 0) or (DestPD.Range.g = 0)) and
+ ((SourcePD.Range.b >= DestPD.Range.b) or (SourcePD.Range.b = 0) or (DestPD.Range.b = 0)) and
+ ((SourcePD.Range.a >= DestPD.Range.a) or (SourcePD.Range.a = 0) or (DestPD.Range.a = 0));
end;
function GetShift(aSource, aDest: Cardinal) : ShortInt;
end;
begin
- if aFormat <> fFormat then begin
- SourceFD := FORMAT_DESCRIPTORS[Format];
- DestFD := FORMAT_DESCRIPTORS[aFormat];
+ if (aFormat <> fFormat) and (aFormat <> tfEmpty) then begin
+ SourceFD := TFormatDescriptor.Get(Format);
+ DestFD := TFormatDescriptor.Get(aFormat);
SourceFD.PreparePixel(SourcePD);
DestFD.PreparePixel (DestPD);
if CanCopyDirect then
result := AddFunc(Self, glBitmapConvertCopyFunc, false, aFormat)
else if CanShift then begin
- 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));
+ ShiftData.r := GetShift(SourcePD.Range.r, DestPD.Range.r);
+ ShiftData.g := GetShift(SourcePD.Range.g, DestPD.Range.g);
+ ShiftData.b := GetShift(SourcePD.Range.b, DestPD.Range.b);
+ ShiftData.a := GetShift(SourcePD.Range.a, DestPD.Range.a);
+ result := AddFunc(Self, glBitmapConvertShiftRGBAFunc, false, aFormat, PtrInt(@ShiftData));
end else
result := AddFunc(Self, glBitmapConvertCalculateRGBAFunc, false, aFormat);
end else
var
PixelData: TglBitmapPixelData;
begin
- FORMAT_DESCRIPTORS[FORMAT_DESCRIPTORS[Format].WithAlpha].PreparePixel(PixelData);
+ TFormatDescriptor.GetWithAlpha(Format).PreparePixel(PixelData);
FillWithColorFloat(
- aRed / PixelData.PixelDesc.RedRange,
- aGreen / PixelData.PixelDesc.GreenRange,
- aBlue / PixelData.PixelDesc.BlueRange,
- aAlpha / PixelData.PixelDesc.AlphaRange);
+ aRed / PixelData.Range.r,
+ aGreen / PixelData.Range.g,
+ aBlue / PixelData.Range.b,
+ aAlpha / PixelData.Range.a);
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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)));
+ TFormatDescriptor.Get(Format).PreparePixel(PixelData);
+ with PixelData do begin
+ Data.r := Max(0, Min(Range.r, Trunc(Range.r * aRed)));
+ Data.g := Max(0, Min(Range.g, Trunc(Range.g * aGreen)));
+ Data.b := Max(0, Min(Range.b, Trunc(Range.b * aBlue)));
+ Data.a := Max(0, Min(Range.a, Trunc(Range.a * aAlpha)));
+ end;
AddFunc(glBitmapFillWithColorFunc, false, PtrInt(@PixelData));
end;
ImageSize: Integer;
begin
Create;
- ImageSize := FORMAT_DESCRIPTORS[aFormat].GetSize(aSize);
+ TFormatDescriptor.Get(aFormat).GetSize(aSize);
GetMem(Image, ImageSize);
try
FillChar(Image^, ImageSize, #$FF);
biClrImportant: Cardinal;
end;
- TBMPInfoOS = packed record
- biSize: Cardinal;
- biWidth: Longint;
- biHeight: Longint;
- biPlanes: Word;
- biBitCount: Word;
- end;
-
-// TBMPPalette = record
-// case Boolean of
-// true : (Colors: array[Byte] of TRGBQUAD);
-// false: (redMask, greenMask, blueMask: Cardinal);
-// end;
-
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function TglBitmap.LoadBMP(const aStream: TStream): Boolean;
-type
- TMaskValues = packed record
- Red: Cardinal;
- Green: Cardinal;
- Blue: Cardinal;
- Alpha: Cardinal;
- end;
-
-var
- StartPos: Int64;
//////////////////////////////////////////////////////////////////////////////////////////////////
- function ReadInfo(var aInfo: TBMPInfo; var aMask: TMaskValues): TglBitmapFormat;
+ function ReadInfo(var aInfo: TBMPInfo; var aMask: TglBitmapColorRec): TglBitmapFormat;
begin
result := tfEmpty;
aStream.Read(aInfo, SizeOf(aInfo));
FillChar(aMask, SizeOf(aMask), 0);
//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!)
+ case aInfo.biCompression of
+ BMP_COMP_RLE4,
+ BMP_COMP_RLE8: begin
+ raise EglBitmapException.Create('RLE compression is not supported');
+ end;
+ BMP_COMP_BITFIELDS: begin
if (aInfo.biBitCount = 16) or (aInfo.biBitCount = 32) then begin
- aStream.Read(aMask.Red, SizeOf(Cardinal));
- aStream.Read(aMask.Green, SizeOf(Cardinal));
- aStream.Read(aMask.Blue, SizeOf(Cardinal));
- aStream.Read(aMask.Alpha, SizeOf(Cardinal));
+ aStream.Read(aMask.r, SizeOf(aMask.r));
+ aStream.Read(aMask.g, SizeOf(aMask.g));
+ aStream.Read(aMask.b, SizeOf(aMask.b));
+ aStream.Read(aMask.a, SizeOf(aMask.a));
end else
- raise EglBitmapException.Create('Bitmask is not supported for 24bit formats');
- end else begin
- aStream.Position := StartPos;
- raise EglBitmapException.Create('RLE compression is not supported');
+ raise EglBitmapException.Create('Bitfields are only supported for 16bit and 32bit formats');
end;
end;
//get suitable format
case aInfo.biBitCount of
8: result := tfLuminance8;
- 16: result := tfRGB5A1;
+ 16: result := tfBGR5;
24: result := tfBGR8;
32: result := tfBGRA8;
end;
end;
+ function ReadColorTable(var aFormat: TglBitmapFormat; const aInfo: TBMPInfo): TbmpColorTableFormat;
+ var
+ i, c: Integer;
+ ColorTable: TbmpColorTable;
+ begin
+ result := nil;
+ if (aInfo.biBitCount >= 16) then
+ exit;
+ aFormat := tfLuminance8;
+ c := aInfo.biClrUsed;
+ if (c = 0) then
+ c := 1 shl aInfo.biBitCount;
+ SetLength(ColorTable, c);
+ for i := 0 to c-1 do begin
+ aStream.Read(ColorTable[i], SizeOf(TbmpColorTableEnty));
+ if (ColorTable[i].r <> ColorTable[i].g) or (ColorTable[i].g <> ColorTable[i].b) then
+ aFormat := tfRGB8;
+ end;
+
+ result := TbmpColorTableFormat.Create;
+ result.PixelSize := aInfo.biBitCount / 8;
+ result.ColorTable := ColorTable;
+ result.Range := glBitmapColorRec($FF, $FF, $FF, $00);
+ end;
+
//////////////////////////////////////////////////////////////////////////////////////////////////
- function CheckBitfields(var aFormat: TglBitmapFormat; const aMask: TMaskValues): TBitfieldFormat;
+ function CheckBitfields(var aFormat: TglBitmapFormat; const aMask: TglBitmapColorRec;
+ const aInfo: TBMPInfo): TbmpBitfieldFormat;
var
TmpFormat: TglBitmapFormat;
- FormatDesc: TglBitmapFormatDescClass;
+ FormatDesc: TFormatDescriptor;
begin
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;
+ if (aMask.r <> 0) or (aMask.g <> 0) or (aMask.b <> 0) or (aMask.a <> 0) then begin
+ for TmpFormat := High(TglBitmapFormat) downto Low(TglBitmapFormat) do begin
+ FormatDesc := TFormatDescriptor.Get(TmpFormat);
+ if FormatDesc.MaskMatch(aMask.r, aMask.g, aMask.b, aMask.a) then begin
+ aFormat := FormatDesc.Format;
exit;
end;
end;
- if (aMask.Alpha = 0) then
- aFormat := FORMAT_DESCRIPTORS[aFormat].WithoutAlpha;
-
- result := TBitfieldFormat.Create;
- result.RedMask := aMask.Red;
- result.GreenMask := aMask.Green;
- result.BlueMask := aMask.Blue;
- result.AlphaMask := aMask.Alpha;
+ if (aMask.a = 0) and TFormatDescriptor.Get(aFormat).HasAlpha then
+ aFormat := TFormatDescriptor.Get(aFormat).WithoutAlpha;
+ if (aMask.a <> 0) and not TFormatDescriptor.Get(aFormat).HasAlpha then
+ aFormat := TFormatDescriptor.Get(aFormat).WithAlpha;
+
+ result := TbmpBitfieldFormat.Create;
+ result.PixelSize := aInfo.biBitCount / 8;
+ result.RedMask := aMask.r;
+ result.GreenMask := aMask.g;
+ result.BlueMask := aMask.b;
+ result.AlphaMask := aMask.a;
end;
end;
var
//simple types
+ StartPos: Int64;
ImageSize, rbLineSize, wbLineSize, Padding, i: Integer;
PaddingBuff: Cardinal;
LineBuf, ImageData, TmpData: PByte;
+ SourceMD, DestMD: Pointer;
BmpFormat: TglBitmapFormat;
+ ColorTable: TbmpColorTable;
//records
- Mask: TMaskValues;
+ Mask: TglBitmapColorRec;
Header: TBMPHeader;
Info: TBMPInfo;
//classes
- BitfieldFormat: TBitfieldFormat;
- FormatDesc: TglBitmapFormatDescClass;
-
-
- Tick: QWord;
-{
-
-
- ImageData, pData, pTmp, LineBuf, TmpData: PByte;
- BitOffset: Byte;
- BmpFormat: TglBitmapFormat;
- LineSize, Padding, LineIdx, PixelIdx: Integer;
- RedMask, GreenMask, BlueMask, AlphaMask, FormatSize: Cardinal;
-
-
- Pixel: TglBitmapPixelData;
- PaddingBuff: Cardinal;
-
-
-
- }
+ SpecialFormat: TFormatDescriptor;
+ FormatDesc: TFormatDescriptor;
//////////////////////////////////////////////////////////////////////////////////////////////////
- procedure ReadBitfieldLine(aData: PByte; aLineBuf: PByte);
+ procedure SpecialFormatReadLine(aData: PByte; aLineBuf: PByte);
var
- i: Integer;
+ i, j: Integer;
Pixel: TglBitmapPixelData;
-
- ////////////////////////////////////////////////////////////////////////////////////////////////
- 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;
-
begin
aStream.Read(aLineBuf^, rbLineSize);
+ SpecialFormat.PreparePixel(Pixel);
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);
+ SpecialFormat.Unmap(aLineBuf, Pixel, SourceMD);
+ with FormatDesc do begin
+ //TODO: use convert function
+ for j := 0 to 3 do
+ if (SpecialFormat.Range.arr[j] <> Range.arr[j]) then begin
+ if (SpecialFormat.Range.arr[j] > 0) then
+ Pixel.Data.arr[j] := Round(Pixel.Data.arr[j] / SpecialFormat.Range.arr[j] * Range.arr[j])
+ else
+ Pixel.Data.arr[j] := 0;
+ end;
end;
- FormatDesc.Map(Pixel, aData);
+ FormatDesc.Map(Pixel, aData, DestMD);
end;
end;
begin
- result := false;
- BmpFormat := tfEmpty;
- BitfieldFormat := nil;
- LineBuf := nil;
+ result := false;
+ BmpFormat := tfEmpty;
+ SpecialFormat := nil;
+ LineBuf := nil;
+ SourceMD := nil;
+ DestMD := nil;
// 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;
+ try try
+ BmpFormat := ReadInfo(Info, Mask);
+ SpecialFormat := ReadColorTable(BmpFormat, Info);
+ if not Assigned(SpecialFormat) then
+ SpecialFormat := CheckBitfields(BmpFormat, Mask, Info);
aStream.Position := StartPos + Header.bfOffBits;
if (BmpFormat <> tfEmpty) then begin
- FormatDesc := FORMAT_DESCRIPTORS[BmpFormat];
- rbLineSize := Info.biWidth * (Info.biBitCount shr 3); //ReadBuffer LineSize
- wbLineSize := Trunc(Info.biWidth * FormatDesc.GetSize);
+ FormatDesc := TFormatDescriptor.Get(BmpFormat);
+ rbLineSize := Round(Info.biWidth * Info.biBitCount / 8); //ReadBuffer LineSize
+ wbLineSize := Trunc(Info.biWidth * FormatDesc.PixelSize);
Padding := (((Info.biWidth * Info.biBitCount + 31) and - 32) shr 3) - rbLineSize;
//get Memory
- ImageSize := FormatDesc.GetSize(glBitmapPosition(Info.biWidth, Info.biHeight));
+ DestMD := FormatDesc.CreateMappingData;
+ ImageSize := FormatDesc.GetSize(Info.biWidth, abs(Info.biHeight));
GetMem(ImageData, ImageSize);
- if Assigned(BitfieldFormat) then
+ if Assigned(SpecialFormat) then begin
GetMem(LineBuf, rbLineSize); //tmp Memory for converting Bitfields
+ SourceMD := SpecialFormat.CreateMappingData;
+ end;
//read Data
try try
FillChar(ImageData^, ImageSize, $FF);
TmpData := ImageData;
- 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
+ if (Info.biHeight > 0) then
+ Inc(TmpData, wbLineSize * (Info.biHeight-1));
+ for i := 0 to Abs(Info.biHeight)-1 do begin
+ if Assigned(SpecialFormat) then
+ SpecialFormatReadLine(TmpData, LineBuf) //if is special format read and convert data
else
aStream.Read(TmpData^, wbLineSize); //else only read data
- Dec(TmpData, wbLineSize);
+ if (Info.biHeight > 0) then
+ dec(TmpData, wbLineSize)
+ else
+ inc(TmpData, wbLineSize);
aStream.Read(PaddingBuff, Padding);
end;
- SetDataPointer(ImageData, BmpFormat, Info.biWidth, Info.biHeight);
+ SetDataPointer(ImageData, BmpFormat, Info.biWidth, abs(Info.biHeight));
result := true;
finally
if Assigned(LineBuf) then
FreeMem(LineBuf);
+ if Assigned(SourceMD) then
+ SpecialFormat.FreeMappingData(SourceMD);
+ FormatDesc.FreeMappingData(DestMD);
end;
except
FreeMem(ImageData);
end;
end else
raise EglBitmapException.Create('LoadBMP - No suitable format found');
+ except
+ aStream.Position := StartPos;
+ raise;
+ end;
finally
- FreeAndNil(BitfieldFormat);
+ FreeAndNil(SpecialFormat);
end;
end
else aStream.Position := StartPos;
var
Header: TBMPHeader;
Info: TBMPInfo;
- pData, pTemp: pByte;
+ Converter: TbmpColorTableFormat;
+ FormatDesc: TFormatDescriptor;
+ SourceFD, DestFD: Pointer;
+ pData, srcData, dstData, ConvertBuffer: pByte;
+ Pixel: TglBitmapPixelData;
PixelFormat: TglBitmapPixelData;
- ImageSize, LineSize, Padding, LineIdx, ColorIdx: Integer;
- Temp, RedMask, GreenMask, BlueMask, AlphaMask: Cardinal;
+ ImageSize, wbLineSize, rbLineSize, Padding, LineIdx, PixelIdx, i: Integer;
+ RedMask, GreenMask, BlueMask, AlphaMask: Cardinal;
PaddingBuff: Cardinal;
if not (ftBMP in FormatGetSupportedFiles(Format)) then
raise EglBitmapUnsupportedFormatFormat.Create('SaveBMP - ' + UNSUPPORTED_FORMAT);
- ImageSize := FORMAT_DESCRIPTORS[Format].GetSize(Dimension);
+ Converter := nil;
+ FormatDesc := TFormatDescriptor.Get(Format);
+ ImageSize := FormatDesc.GetSize(Dimension);
+ FillChar(Header, SizeOf(Header), 0);
Header.bfType := BMP_MAGIC;
Header.bfSize := SizeOf(Header) + SizeOf(Info) + ImageSize;
Header.bfReserved1 := 0;
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);
+ try
+ case Format of
+ tfLuminance4: begin
+ Info.biBitCount := 4;
+ Header.bfSize := Header.bfSize + 16 * SizeOf(Cardinal);
+ Header.bfOffBits := Header.bfOffBits + 16 * SizeOf(Cardinal); //16 ColorTable entries
+ Converter := TbmpColorTableFormat.Create;
+ Converter.PixelSize := 0.5;
+ Converter.Format := Format;
+ Converter.Range := glBitmapColorRec($F, $F, $F, $0);
+ Converter.CreateColorTable;
+ end;
- Info.biClrUsed := 256;
- Info.biClrImportant := 256;
+ tfR3G3B2, tfLuminance8: begin
+ Info.biBitCount := 8;
+ Header.bfSize := Header.bfSize + 256 * SizeOf(Cardinal);
+ Header.bfOffBits := Header.bfOffBits + 256 * SizeOf(Cardinal); //256 ColorTable entries
+ Converter := TbmpColorTableFormat.Create;
+ Converter.PixelSize := 1;
+ Converter.Format := Format;
+ if (Format = tfR3G3B2) then begin
+ Converter.Range := glBitmapColorRec($7, $7, $3, $0);
+ Converter.Shift := glBitmapShiftRec(0, 3, 6, 0);
+ end else
+ Converter.Range := glBitmapColorRec($FF, $FF, $FF, $0);
+ Converter.CreateColorTable;
end;
- //TODO ifLuminance8Alpha8, tfRGBA4, ifR5G6B5, tfRGB5A1:
- tfLuminance8Alpha8, tfRGB5A1:
- begin
- Info.biBitCount := 16;
+
+ tfRGB4, tfRGB5, tfR5G6B5, tfRGB5A1, tfRGBA4,
+ tfBGR4, tfBGR5, tfB5G6R5, tfBGR5A1, tfBGRA4: 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;
+
+ tfBGR8, tfRGB8: begin
+ Info.biBitCount := 24;
+ end;
+
+ tfRGB10, tfRGB10A2, tfRGBA8,
+ tfBGR10, tfBGR10A2, tfBGRA8: begin
+ Info.biBitCount := 32;
Info.biCompression := BMP_COMP_BITFIELDS;
end;
else
raise EglBitmapUnsupportedFormatFormat.Create('SaveBMP - ' + UNSUPPORTED_FORMAT);
- end;
- Info.biXPelsPerMeter := 2835;
- Info.biYPelsPerMeter := 2835;
-
- // prepare bitmasks
- if Info.biCompression = BMP_COMP_BITFIELDS then begin
- Info.biSize := Info.biSize + 4 * SizeOf(Cardinal);
- Header.bfSize := Header.bfSize + 4 * SizeOf(Cardinal);
- Header.bfOffBits := Header.bfOffBits + 4 * SizeOf(Cardinal);
-
- 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;
-
- // headers
- aStream.Write(Header, SizeOf(Header));
- aStream.Write(Info, SizeOf(Info));
-
- // 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;
+ Info.biXPelsPerMeter := 2835;
+ Info.biYPelsPerMeter := 2835;
+
+ // prepare bitmasks
+ if Info.biCompression = BMP_COMP_BITFIELDS then begin
+ Header.bfSize := Header.bfSize + 4 * SizeOf(Cardinal);
+ Header.bfOffBits := Header.bfOffBits + 4 * SizeOf(Cardinal);
+
+ RedMask := FormatDesc.RedMask;
+ GreenMask := FormatDesc.GreenMask;
+ BlueMask := FormatDesc.BlueMask;
+ AlphaMask := FormatDesc.AlphaMask;
end;
- end;
- // bitmasks
- if Info.biCompression = BMP_COMP_BITFIELDS then begin
- aStream.Write(RedMask, SizeOf(Cardinal));
- aStream.Write(GreenMask, SizeOf(Cardinal));
- aStream.Write(BlueMask, SizeOf(Cardinal));
- aStream.Write(AlphaMask, SizeOf(Cardinal));
- end;
-
- // image data
- LineSize := Trunc(Width * FORMAT_DESCRIPTORS[Format].GetSize);
- Padding := GetLineWidth - LineSize;
- PaddingBuff := 0;
-
- pData := Data;
- Inc(pData, (Height -1) * LineSize);
+ // headers
+ aStream.Write(Header, SizeOf(Header));
+ aStream.Write(Info, SizeOf(Info));
+
+ // colortable
+ if Assigned(Converter) then
+ aStream.Write(Converter.ColorTable[0].b,
+ SizeOf(TbmpColorTableEnty) * Length(Converter.ColorTable));
+
+ // bitmasks
+ if Info.biCompression = BMP_COMP_BITFIELDS then begin
+ aStream.Write(RedMask, SizeOf(Cardinal));
+ aStream.Write(GreenMask, SizeOf(Cardinal));
+ aStream.Write(BlueMask, SizeOf(Cardinal));
+ aStream.Write(AlphaMask, SizeOf(Cardinal));
+ end;
- // 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;
+ // image data
+ rbLineSize := Round(Info.biWidth * FormatDesc.PixelSize);
+ wbLineSize := Round(Info.biWidth * Info.biBitCount / 8);
+ Padding := GetLineWidth - wbLineSize;
+ PaddingBuff := 0;
+
+ pData := Data;
+ inc(pData, (Height-1) * rbLineSize);
+
+ // prepare row buffer. But only for RGB because RGBA supports color masks
+ // so it's possible to change color within the image.
+ if Assigned(Converter) then begin
+ FormatDesc.PreparePixel(Pixel);
+ GetMem(ConvertBuffer, wbLineSize);
+ SourceFD := FormatDesc.CreateMappingData;
+ DestFD := Converter.CreateMappingData;
+ end else
+ ConvertBuffer := nil;
- try
- // 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);
+ try
+ for LineIdx := 0 to Height - 1 do begin
+ // preparing row
+ if Assigned(Converter) then begin
+ srcData := pData;
+ dstData := ConvertBuffer;
+ for PixelIdx := 0 to Info.biWidth-1 do begin
+ FormatDesc.Unmap(srcData, Pixel, SourceFD);
+ with FormatDesc do begin
+ //TODO use convert function
+ for i := 0 to 3 do
+ if (Converter.Range.arr[i] <> Range.arr[i]) then begin
+ if (Range.arr[i] > 0) then
+ Pixel.Data.arr[i] := Round(Pixel.Data.arr[i] / Range.arr[i] * Converter.Range.arr[i])
+ else
+ Pixel.Data.arr[i] := 0;
+ end;
+ end;
+ Converter.Map(Pixel, dstData, DestFD);
+ end;
+ aStream.Write(ConvertBuffer^, wbLineSize);
+ end else begin
+ aStream.Write(pData^, rbLineSize);
+ end;
+ dec(pData, rbLineSize);
+ if (Padding > 0) then
+ aStream.Write(PaddingBuff, Padding);
+ end;
+ finally
+ // destroy row buffer
+ if Assigned(ConvertBuffer) then begin
+ FormatDesc.FreeMappingData(SourceFD);
+ Converter.FreeMappingData(DestFD);
+ FreeMem(ConvertBuffer);
+ end;
end;
finally
- // destroy row buffer
- if Format = tfRGB8 then
- FreeMem(pTemp);
+ if Assigned(Converter) then
+ Converter.Free;
end;
end;
ImageID: Byte;
ColorMapType: Byte;
ImageType: Byte;
- ColorMapSpec: Array[0..4] of Byte;
+ //ColorMapSpec: Array[0..4] of Byte;
+ ColorMapStart: Word;
+ ColorMapLength: Word;
+ ColorMapEntrySize: Byte;
OrigX: Word;
OrigY: Word;
Width: Word;
Height: Word;
Bpp: Byte;
- ImageDes: Byte;
+ ImageDesc: Byte;
end;
const
- TGA_UNCOMPRESSED_RGB = 2;
- TGA_UNCOMPRESSED_GRAY = 3;
- TGA_COMPRESSED_RGB = 10;
- TGA_COMPRESSED_GRAY = 11;
+ TGA_UNCOMPRESSED_COLOR_TABLE = 1;
+ TGA_UNCOMPRESSED_RGB = 2;
+ TGA_UNCOMPRESSED_GRAY = 3;
+ TGA_COMPRESSED_COLOR_TABLE = 9;
+ TGA_COMPRESSED_RGB = 10;
+ TGA_COMPRESSED_GRAY = 11;
+
+ TGA_NONE_COLOR_TABLE = 0;
+ TGA_COLOR_TABLE = 1;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function TglBitmap.LoadTGA(const aStream: TStream): Boolean;
var
Header: TTGAHeader;
- NewImage, pData: PByte;
- StreamPos: Int64;
- PixelSize, LineSize, YStart, YEnd, YInc: Integer;
- Format: TglBitmapFormat;
+ ImageData: PByte;
+ StartPosition: Int64;
+ PixelSize, LineSize: Integer;
+ tgaFormat: TglBitmapFormat;
+ FormatDesc: TFormatDescriptor;
+ Counter: packed record
+ X, Y: packed record
+ low, high, dir: Integer;
+ end;
+ end;
const
CACHE_SIZE = $4000;
////////////////////////////////////////////////////////////////////////////////////////
procedure ReadUncompressed;
var
- RowSize: Integer;
+ i, j: Integer;
+ buf, tmp1, tmp2: PByte;
begin
- RowSize := Header.Width * PixelSize;
- // copy line by line
- while YStart <> YEnd + YInc do begin
- pData := NewImage;
- Inc(pData, YStart * LineSize);
- aStream.Read(pData^, RowSize);
- Inc(YStart, YInc);
+ buf := nil;
+ if (Counter.X.dir < 0) then
+ buf := GetMem(LineSize);
+ try
+ while (Counter.Y.low <> Counter.Y.high + counter.Y.dir) do begin
+ tmp1 := ImageData + (Counter.Y.low * LineSize); //pointer to LineStart
+ if (Counter.X.dir < 0) then begin //flip X
+ aStream.Read(buf^, LineSize);
+ tmp2 := buf + LineSize - PixelSize; //pointer to last pixel in line
+ for i := 0 to Header.Width-1 do begin //for all pixels in line
+ for j := 0 to PixelSize-1 do begin //for all bytes in pixel
+ tmp1^ := tmp2^;
+ inc(tmp1);
+ inc(tmp2);
+ end;
+ dec(tmp2, 2*PixelSize); //move 2 backwards, because j-loop moved 1 forward
+ end;
+ end else
+ aStream.Read(tmp1^, LineSize);
+ inc(Counter.Y.low, Counter.Y.dir); //move to next line index
+ end;
+ finally
+ if Assigned(buf) then
+ FreeMem(buf);
end;
end;
////////////////////////////////////////////////////////////////////////////////////////
procedure ReadCompressed;
- var
- HeaderWidth, HeaderHeight: Integer;
- LinePixelsRead, ImgPixelsRead, ImgPixelsToRead: Integer;
-
- Cache: PByte;
- CacheSize, CachePos: Integer;
-
- Temp: Byte;
- TempBuf: Array [0..15] of Byte;
-
- PixelRepeat: Boolean;
- PixelToRead, TempPixels: Integer;
/////////////////////////////////////////////////////////////////
+ var
+ TmpData: PByte;
+ LinePixelsRead: Integer;
procedure CheckLine;
begin
- if LinePixelsRead >= HeaderWidth then begin
+ if (LinePixelsRead >= Header.Width) then begin
LinePixelsRead := 0;
- pData := NewImage;
- Inc(YStart, YInc);
- Inc(pData, YStart * LineSize);
+ inc(Counter.Y.low, Counter.Y.dir); //next line index
+ TmpData := ImageData + Counter.Y.low * LineSize; //set line
+ if (Counter.X.dir < 0) then //if x flipped then
+ TmpData := TmpData + LineSize - PixelSize; //set last pixel
end;
end;
/////////////////////////////////////////////////////////////////
+ var
+ Cache: PByte;
+ CacheSize, CachePos: Integer;
procedure CachedRead(out Buffer; Count: Integer);
var
BytesRead: Integer;
begin
- if (CachePos + Count) > CacheSize then begin
+ if (CachePos + Count > CacheSize) then begin
+ //if buffer overflow save non read bytes
BytesRead := 0;
-
- // Read Data
- if CacheSize - CachePos > 0 then begin
+ if (CacheSize - CachePos > 0) then begin
BytesRead := CacheSize - CachePos;
- Move(pByteArray(Cache)^[CachePos], Buffer, BytesRead);
- Inc(CachePos, BytesRead);
+ Move(PByteArray(Cache)^[CachePos], Buffer, BytesRead);
+ inc(CachePos, BytesRead);
end;
- // Reload Data
+ //load cache from file
CacheSize := Min(CACHE_SIZE, aStream.Size - aStream.Position);
aStream.Read(Cache^, CacheSize);
CachePos := 0;
- // Read else
- if Count - BytesRead > 0 then begin
- Move(pByteArray(Cache)^[CachePos], TByteArray(Buffer)[BytesRead], Count - BytesRead);
- Inc(CachePos, Count - BytesRead);
+ //read rest of requested bytes
+ if (Count - BytesRead > 0) then begin
+ Move(PByteArray(Cache)^[CachePos], TByteArray(Buffer)[BytesRead], Count - BytesRead);
+ inc(CachePos, Count - BytesRead);
end;
end else begin
- Move(pByteArray(Cache)^[CachePos], Buffer, Count);
- Inc(CachePos, Count);
+ //if no buffer overflow just read the data
+ Move(PByteArray(Cache)^[CachePos], Buffer, Count);
+ inc(CachePos, Count);
+ end;
+ end;
+
+ procedure PixelToBuffer(const aData: PByte; var aBuffer: PByte);
+ begin
+ case PixelSize of
+ 1: begin
+ aBuffer^ := aData^;
+ inc(aBuffer, Counter.X.dir);
+ end;
+ 2: begin
+ PWord(aBuffer)^ := PWord(aData)^;
+ inc(aBuffer, 2 * Counter.X.dir);
+ end;
+ 3: begin
+ PByteArray(aBuffer)^[0] := PByteArray(aData)^[0];
+ PByteArray(aBuffer)^[1] := PByteArray(aData)^[1];
+ PByteArray(aBuffer)^[2] := PByteArray(aData)^[2];
+ inc(aBuffer, 3 * Counter.X.dir);
+ end;
+ 4: begin
+ PCardinal(aBuffer)^ := PCardinal(aData)^;
+ inc(aBuffer, 4 * Counter.X.dir);
+ end;
end;
end;
+ var
+ TotalPixelsToRead, TotalPixelsRead: Integer;
+ Temp: Byte;
+ buf: array [0..3] of Byte; //1 pixel is max 32bit long
+ PixelRepeat: Boolean;
+ PixelsToRead, PixelCount: Integer;
begin
CacheSize := 0;
- CachePos := 0;
+ CachePos := 0;
- HeaderWidth := Header.Width;
- HeaderHeight := Header.Height;
+ TotalPixelsToRead := Header.Width * Header.Height;
+ TotalPixelsRead := 0;
+ LinePixelsRead := 0;
- GetMem(Cache, CACHE_SIZE); // 16K Buffer
+ GetMem(Cache, CACHE_SIZE);
try
- ImgPixelsToRead := HeaderWidth * HeaderHeight;
- ImgPixelsRead := 0;
- LinePixelsRead := 0;
-
- pData := NewImage;
- Inc(pData, YStart * LineSize);
+ TmpData := ImageData + Counter.Y.low * LineSize; //set line
+ if (Counter.X.dir < 0) then //if x flipped then
+ TmpData := TmpData + LineSize - PixelSize; //set last pixel
- // Read until all Pixels
repeat
+ //read CommandByte
CachedRead(Temp, 1);
-
- PixelRepeat := Temp and $80 > 0;
- PixelToRead := (Temp and $7F) + 1;
-
- Inc(ImgPixelsRead, PixelToRead);
-
- if PixelRepeat then begin
- // repeat one pixel x times
- CachedRead(TempBuf[0], PixelSize);
-
- // repeat Pixel
- while PixelToRead > 0 do begin
- CheckLine;
-
- TempPixels := HeaderWidth - LinePixelsRead;
- if PixelToRead < TempPixels then
- TempPixels := PixelToRead;
-
- Inc(LinePixelsRead, TempPixels);
- Dec(PixelToRead, TempPixels);
-
- while TempPixels > 0 do begin
- case PixelSize of
- 1: begin
- pData^ := TempBuf[0];
- Inc(pData);
- end;
- 2: begin
- pWord(pData)^ := pWord(@TempBuf[0])^;
- Inc(pData, 2);
- end;
- 3: begin
- pWord(pData)^ := pWord(@TempBuf[0])^;
- Inc(pData, 2);
- pData^ := TempBuf[2];
- Inc(pData);
- end;
- 4: begin
- pDWord(pData)^ := pDWord(@TempBuf[0])^;
- Inc(pData, 4);
- end;
- end;
- Dec(TempPixels);
- end;
- end;
- end else begin
- // 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);
+ PixelRepeat := (Temp and $80) > 0;
+ PixelsToRead := (Temp and $7F) + 1;
+ inc(TotalPixelsRead, PixelsToRead);
+
+ if PixelRepeat then
+ CachedRead(buf[0], PixelSize);
+ while (PixelsToRead > 0) do begin
+ CheckLine;
+ PixelCount := Min(Header.Width - LinePixelsRead, PixelsToRead); //max read to EOL or EOF
+ while (PixelCount > 0) do begin
+ if not PixelRepeat then
+ CachedRead(buf[0], PixelSize);
+ PixelToBuffer(@buf[0], TmpData);
+ inc(LinePixelsRead);
+ dec(PixelsToRead);
+ dec(PixelCount);
end;
end;
- until ImgPixelsRead >= ImgPixelsToRead;
+ until (TotalPixelsRead >= TotalPixelsToRead);
finally
- FreeMem(Cache)
+ FreeMem(Cache);
end;
end;
+ function IsGrayFormat: Boolean;
+ begin
+ result := Header.ImageType in [TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_GRAY];
+ end;
+
begin
result := false;
// reading header to test file and set cursor back to begin
- StreamPos := aStream.Position;
+ StartPosition := 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
+ if (Header.ColorMapType = TGA_NONE_COLOR_TABLE) and (Header.ImageType in [
+ TGA_UNCOMPRESSED_RGB, TGA_UNCOMPRESSED_GRAY, TGA_COMPRESSED_RGB, TGA_COMPRESSED_GRAY]) then
+ begin
+ try
+ if Header.ImageID <> 0 then // skip image ID
+ aStream.Position := aStream.Position + Header.ImageID;
+
case Header.Bpp of
- //TODO 8: Format := tfAlpha8;
- 16: Format := tfLuminance8Alpha8;
- 24: Format := tfBGR8;
- 32: Format := tfBGRA8;
- else
- raise EglBitmapException.Create('LoadTga - unsupported BitsPerPixel found.');
+ 8: if IsGrayFormat then case (Header.ImageDesc and $F) of
+ 0: tgaFormat := tfLuminance8;
+ 8: tgaFormat := tfAlpha8;
+ end;
+
+ 16: if IsGrayFormat then case (Header.ImageDesc and $F) of
+ 0: tgaFormat := tfLuminance16;
+ 8: tgaFormat := tfLuminance8Alpha8;
+ end else case (Header.ImageDesc and $F) of
+ 0: tgaFormat := tfBGR5;
+ 1: tgaFormat := tfBGR5A1;
+ 4: tgaFormat := tfBGRA4;
+ end;
+
+ 24: if not IsGrayFormat then case (Header.ImageDesc and $F) of
+ 0: tgaFormat := tfBGR8;
+ end;
+
+ 32: if not IsGrayFormat then case (Header.ImageDesc and $F) of
+ 2: tgaFormat := tfBGR10A2;
+ 8: tgaFormat := tfBGRA8;
+ end;
end;
- // skip image ID
- if Header.ImageID <> 0 then
- aStream.Position := aStream.Position + Header.ImageID;
+ if (tgaFormat = tfEmpty) then
+ raise EglBitmapException.Create('LoadTga - unsupported format');
- PixelSize := Trunc(FORMAT_DESCRIPTORS[Format].GetSize);
- LineSize := Trunc(Header.Width * PixelSize);
+ FormatDesc := TFormatDescriptor.Get(tgaFormat);
+ PixelSize := FormatDesc.GetSize(1, 1);
+ LineSize := FormatDesc.GetSize(Header.Width, 1);
- GetMem(NewImage, LineSize * Header.Height);
+ GetMem(ImageData, LineSize * Header.Height);
try
+ //column direction
+ if ((Header.ImageDesc and (1 shl 4)) > 0) then begin
+ Counter.X.low := Header.Height-1;;
+ Counter.X.high := 0;
+ Counter.X.dir := -1;
+ end else begin
+ Counter.X.low := 0;
+ Counter.X.high := Header.Height-1;
+ Counter.X.dir := 1;
+ end;
+
// Row direction
- if (Header.ImageDes and $20 > 0) then begin
- YStart := 0;
- YEnd := Header.Height -1;
- YInc := 1;
+ if ((Header.ImageDesc and (1 shl 5)) > 0) then begin
+ Counter.Y.low := 0;
+ Counter.Y.high := Header.Height-1;
+ Counter.Y.dir := 1;
end else begin
- YStart := Header.Height -1;
- YEnd := 0;
- YInc := -1;
+ Counter.Y.low := Header.Height-1;;
+ Counter.Y.high := 0;
+ Counter.Y.dir := -1;
end;
// Read Image
ReadCompressed;
end;
- SetDataPointer(NewImage, Format, Header.Width, Header.Height);
+ SetDataPointer(ImageData, tgaFormat, Header.Width, Header.Height);
result := true;
except
- FreeMem(NewImage);
+ FreeMem(ImageData);
raise;
end;
- end
- else aStream.Position := StreamPos;
+ finally
+ aStream.Position := StartPosition;
+ end;
end
- else aStream.Position := StreamPos;
+ else aStream.Position := StartPosition;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmap.SaveTGA(const aStream: TStream);
var
Header: TTGAHeader;
- Size: Integer;
- pTemp: pByte;
- FormatDesc: TglBitmapFormatDescClass;
-
- 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;
-
+ LineSize, Size, x, y: Integer;
+ Pixel: TglBitmapPixelData;
+ LineBuf, SourceData, DestData: PByte;
+ SourceMD, DestMD: Pointer;
+ FormatDesc: TFormatDescriptor;
+ Converter: TFormatDescriptor;
begin
if not (ftTGA in FormatGetSupportedFiles(Format)) then
raise EglBitmapUnsupportedFormatFormat.Create('SaveTGA - ' + UNSUPPORTED_FORMAT);
+ //prepare header
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;
- Header.Width := Width;
- Header.Height := Height;
- Header.ImageDes := $20;
- FormatDesc := FORMAT_DESCRIPTORS[Format];
+ //set ImageType
+ if (Format in [tfLuminance8, tfLuminance6Alpha2, tfLuminance4Alpha4, tfAlpha8,
+ tfLuminance16, tfLuminance12Alpha4, tfLuminance8Alpha8]) then
+ Header.ImageType := TGA_UNCOMPRESSED_GRAY
+ else
+ Header.ImageType := TGA_UNCOMPRESSED_RGB;
+
+ //set BitsPerPixel
+ if (Format in [tfLuminance8, tfLuminance6Alpha2, tfLuminance4Alpha4, tfAlpha8]) then
+ Header.Bpp := 8
+ else if (Format in [tfLuminance16, tfLuminance12Alpha4, tfLuminance8Alpha8,
+ tfRGB5, tfBGR5, tfRGB5A1, tfBGR5A1, tfRGBA4, tfBGRA4]) then
+ Header.Bpp := 16
+ else if (Format in [tfBGR8, tfRGB8]) then
+ Header.Bpp := 24
+ else
+ Header.Bpp := 32;
- if FormatDesc.HasAlpha then
- Header.ImageDes := Header.ImageDes or $08;
+ //set AlphaBitCount
+ case Format of
+ tfRGB5A1, tfBGR5A1:
+ Header.ImageDesc := 1 and $F;
+ tfRGB10A2, tfBGR10A2:
+ Header.ImageDesc := 2 and $F;
+ tfRGBA4, tfBGRA4:
+ Header.ImageDesc := 4 and $F;
+ tfAlpha8, tfLuminance8Alpha8, tfRGBA8, tfBGRA8:
+ Header.ImageDesc := 8 and $F;
+ end;
+
+ Header.Width := Width;
+ Header.Height := Height;
+ Header.ImageDesc := Header.ImageDesc or $20; //flip y
aStream.Write(Header, SizeOf(Header));
// convert RGB(A) to BGR(A)
- Size := FormatDesc.GetSize(Dimension);
- if Format in [tfRGB8, tfRGBA8] then begin
- GetMem(pTemp, Size);
- end else
- pTemp := Data;
-
- try
- // convert data
- if Format in [tfRGB8, tfRGBA8] then begin
- Move(Data^, pTemp^, Size);
- ConvertData(pTemp);
+ Converter := nil;
+ FormatDesc := TFormatDescriptor.Get(Format);
+ Size := FormatDesc.GetSize(Dimension);
+ if Format in [tfRGB5, tfRGB5A1, tfRGBA4, tfRGB8, tfRGB10A2, tfRGBA8] then begin
+ if (FormatDesc.RGBInverted = tfEmpty) then
+ raise EglBitmapException.Create('inverted RGB format is empty');
+ Converter := TFormatDescriptor.Get(FormatDesc.RGBInverted);
+ if not glBitmapColorRecCmp(Converter.Range, FormatDesc.Range) or
+ (Converter.PixelSize <> FormatDesc.PixelSize) then
+ raise EglBitmapException.Create('invalid inverted RGB format');
+ end;
+
+ if Assigned(Converter) then begin
+ LineSize := FormatDesc.GetSize(Width, 1);
+ LineBuf := GetMem(LineSize);
+ SourceMD := FormatDesc.CreateMappingData;
+ DestMD := Converter.CreateMappingData;
+ try
+ SourceData := Data;
+ for y := 0 to Height-1 do begin
+ DestData := LineBuf;
+ for x := 0 to Width-1 do begin
+ FormatDesc.Unmap(SourceData, Pixel, SourceMD);
+ Converter.Map(Pixel, DestData, DestMD);
+ end;
+ aStream.Write(LineBuf^, LineSize);
+ end;
+ finally
+ FreeMem(LineBuf);
+ FormatDesc.FreeMappingData(SourceMD);
+ FormatDesc.FreeMappingData(DestMD);
end;
-
- // write data
- aStream.Write(pTemp^, Size);
- finally
- // free tempdata
- if Format in [tfRGB8, tfRGBA8] then
- FreeMem(pTemp);
- end;
+ end else
+ aStream.Write(Data^, Size);
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
dwRBitMask: Cardinal;
dwGBitMask: Cardinal;
dwBBitMask: Cardinal;
- dwAlphaBitMask: Cardinal;
+ dwABitMask: Cardinal;
end;
TDDSCaps = packed record
end;
ddsFormat := GetDDSFormat;
- LineSize := Trunc(Header.dwWidth * FORMAT_DESCRIPTORS[ddsFormat].GetSize);
+ LineSize := Trunc(Header.dwWidth * TFormatDescriptor.Get(ddsFormat).PixelSize);
GetMem(NewImage, Header.dwHeight * LineSize);
try
pData := NewImage;
var
Header: TDDSHeader;
Pix: TglBitmapPixelData;
+ FormatDesc: TFormatDescriptor;
begin
//if not FormatIsUncompressed(InternalFormat) then
// raise EglBitmapUnsupportedFormatFormat.Create('SaveDDS - ' + UNSUPPORTED_FORMAT);
(* TODO if Format = tfAlpha8 then
FORMAT_DESCRIPTORS[tfLuminance8].PreparePixel(Pix);
else *)
- FORMAT_DESCRIPTORS[Format].PreparePixel(Pix);
+ TFormatDescriptor.Get(Format).PreparePixel(Pix);
// Generell
FillChar(Header, SizeOf(Header), 0);
Header.PixelFormat.dwFlags := Header.PixelFormat.dwFlags or DDPF_ALPHAPIXELS;
*)
- 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;
+ FormatDesc := TFormatDescriptor.Get(Format);
+ Header.PixelFormat.dwRGBBitCount := Trunc(FormatDesc.PixelSize * 8);
+ Header.PixelFormat.dwRBitMask := FormatDesc.RedMask;
+ Header.PixelFormat.dwGBitMask := FormatDesc.GreenMask;
+ Header.PixelFormat.dwBBitMask := FormatDesc.BlueMask;
+ Header.PixelFormat.dwABitMask := FormatDesc.AlphaMask;
aStream.Write(Header, SizeOf(Header));
- aStream.Write(Data^, FORMAT_DESCRIPTORS[Format].GetSize(Dimension));
+ aStream.Write(Data^, FormatDesc.GetSize(Dimension));
end;
-{$ENDREGION}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//TglBitmap2D/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Assigning Data
if Assigned(Data) then begin
SetLength(fLines, GetHeight);
- LineWidth := Trunc(GetWidth * FORMAT_DESCRIPTORS[Format].GetSize);
+ LineWidth := Trunc(GetWidth * TFormatDescriptor.Get(Format).PixelSize);
for Idx := 0 to GetHeight -1 do begin
fLines[Idx] := Data;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure TglBitmap2D.UploadData(const aTarget: Cardinal; const aBuildWithGlu: Boolean);
var
- FormatDescriptor: TglBitmapFormatDescClass;
- FormatDesc: TglBitmapFormatDesc;
+ FormatDesc: TFormatDescriptor;
begin
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
else
*)
- FormatDescriptor := FORMAT_DESCRIPTORS[Format];
- FormatDesc := FormatDescriptor.GetFormatDesc;
+ FormatDesc := TFormatDescriptor.Get(Format);
if aBuildWithGlu then
- gluBuild2DMipmaps(aTarget, FormatDescriptor.GetColorCompCount, Width, Height,
- FormatDesc.Format, FormatDesc.DataType, Data)
+ gluBuild2DMipmaps(aTarget, FormatDesc.Components, Width, Height,
+ FormatDesc.glFormat, FormatDesc.glDataFormat, Data)
else
- glTexImage2D(aTarget, 0, FormatDesc.InternalFormat, Width, Height, 0,
- FormatDesc.Format, FormatDesc.DataType, Data);
+ glTexImage2D(aTarget, 0, FormatDesc.glInternalFormat, Width, Height, 0,
+ FormatDesc.glFormat, FormatDesc.glDataFormat, Data);
// Freigeben
if (FreeDataAfterGenTexture) then
var
Temp: pByte;
Size, w, h: Integer;
- FormatDesc: TglBitmapFormatDescClass;
- glFormatDesc: TglBitmapFormatDesc;
+ FormatDesc: TFormatDescriptor;
begin
(* TODO compression
if not FormatIsUncompressed(Format) then
w := aRight - aLeft;
h := aBottom - aTop;
- FormatDesc := FORMAT_DESCRIPTORS[Format];
- glFormatDesc := FormatDesc.GetFormatDesc;
- Size := FormatDesc.GetSize(glBitmapPosition(w, h));
+ FormatDesc := TFormatDescriptor.Get(Format);
+ Size := FormatDesc.GetSize(w, h);
GetMem(Temp, Size);
try
glPixelStorei(GL_PACK_ALIGNMENT, 1);
- glReadPixels(aLeft, aTop, w, h, glFormatDesc.Format, glFormatDesc.DataType, Temp);
+ glReadPixels(aLeft, aTop, w, h, FormatDesc.glFormat, FormatDesc.glDataFormat, Temp);
SetDataPointer(Temp, Format, w, h);
FlipVert;
except
procedure TglBitmap2D.GetDataFromTexture;
var
Temp: PByte;
- TempWidth, TempHeight, RedSize, GreenSize, BlueSize, AlphaSize, LumSize: Integer;
+ TempWidth, TempHeight: Integer;
TempType, TempIntFormat: Cardinal;
- IntFormat: TglBitmapFormat;
- FormatDesc: TglBitmapFormatDescClass;
+ IntFormat, f: TglBitmapFormat;
+ FormatDesc: TFormatDescriptor;
begin
Bind;
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;
+ for f := Low(TglBitmapFormat) to High(TglBitmapFormat) do
+ if (TFormatDescriptor.Get(f).glInternalFormat = TempIntFormat) then begin
+ IntFormat := FormatDesc.Format;
break;
end;
// Getting data from OpenGL
- GetMem(Temp, FormatDesc.GetSize(glBitmapPosition(TempWidth, TempHeight)));
+ FormatDesc := TFormatDescriptor.Get(IntFormat);
+ GetMem(Temp, FormatDesc.GetSize(TempWidth, TempHeight));
try
(* TODO Compression
if FormatIsCompressed(IntFormat) and (GL_VERSION_1_3 or GL_ARB_texture_compression) then
glGetCompressedTexImage(Target, 0, Temp)
else
*)
- with FormatDesc.GetFormatDesc do
- glGetTexImage(Target, 0, InternalFormat, DataType, Temp);
+ glGetTexImage(Target, 0, FormatDesc.glInternalFormat, FormatDesc.glDataFormat, Temp);
SetDataPointer(Temp, IntFormat, TempWidth, TempHeight);
except
FreeMem(Temp);
end;
const
- oneover255 = 1 / 255;
+ ONE_OVER_255 = 1 / 255;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
procedure glBitmapToNormalMapPrepareFunc(var FuncRec: TglBitmapFunctionRec);
Val: Single;
begin
with FuncRec do begin
- Val := Source.Red * 0.3 + Source.Green * 0.59 + Source.Blue * 0.11;
- PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Val * oneover255;
+ Val :=
+ Source.Data.r * LUMINANCE_WEIGHT_R +
+ Source.Data.g * LUMINANCE_WEIGHT_G +
+ Source.Data.b * LUMINANCE_WEIGHT_B;
+ PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Val * ONE_OVER_255;
end;
end;
procedure glBitmapToNormalMapPrepareAlphaFunc(var FuncRec: TglBitmapFunctionRec);
begin
with FuncRec do
- PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Source.Alpha * oneover255;
+ PglBitmapToNormalMapRec(Args)^.Heights[Position.Y * Size.X + Position.X] := Source.Data.a * ONE_OVER_255;
end;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
end;
// Farbe zuweisem
- Dest.Red := Trunc((Vec[0] + 1) * 127.5);
- Dest.Green := Trunc((Vec[1] + 1) * 127.5);
- Dest.Blue := Trunc((Vec[2] + 1) * 127.5);
+ Dest.Data.r := Trunc((Vec[0] + 1) * 127.5);
+ Dest.Data.g := Trunc((Vec[1] + 1) * 127.5);
+ Dest.Data.b := Trunc((Vec[2] + 1) * 127.5);
end;
end;
end;
// Daten Sammeln
- if aUseAlpha and FORMAT_DESCRIPTORS[Format].HasAlpha then
+ if aUseAlpha and TFormatDescriptor.Get(Format).HasAlpha then
AddFunc(glBitmapToNormalMapPrepareAlphaFunc, false, PtrInt(@Rec))
else
AddFunc(glBitmapToNormalMapPrepareFunc, false, PtrInt(@Rec));
glBitmapSetDefaultFreeDataAfterGenTexture(true);
glBitmapSetDefaultDeleteTextureOnFree (true);
+ TFormatDescriptor.Init;
+
finalization
+ TFormatDescriptor.Finalize;
end.
+
projects / glBitmap.git / blobdiff