Class TDitheringTask
Unit
Declaration
type TDitheringTask = class(TFilterTask)
Description
Abstract dithering task
Hierarchy
- TObject
- TFilterTask
- TDitheringTask
Overview
Fields
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FBounds: TRect; |
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FCurrentOutputScanline: PBGRAPixel; |
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FCurrentOutputY: Int32or64; |
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FDrawMode: TDrawMode; |
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FIgnoreAlpha: boolean; |
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FOutputPixel: TOutputPixelProc; |
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FPalette: TBGRACustomApproxPalette; |
Methods
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constructor Create(ASource: IBGRAScanner; APalette: TBGRACustomApproxPalette; ADestination: TBGRACustomBitmap; AIgnoreAlpha: boolean; ABounds: TRect); overload; |
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constructor Create(bmp: TBGRACustomBitmap; APalette: TBGRACustomApproxPalette; AInPlace: boolean; AIgnoreAlpha: boolean; ABounds: TRect); overload; |
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constructor Create(bmp: TBGRACustomBitmap; APalette: TBGRACustomApproxPalette; AInPlace: boolean; AIgnoreAlpha: boolean); overload; |
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procedure ApproximateColor(const AColor: TBGRAPixel; out AApproxColor: TBGRAPixel; out AIndex: integer); |
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procedure OutputPixel(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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procedure OutputPixelDraw(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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procedure OutputPixelLinearBlend(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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procedure OutputPixelSet(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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procedure OutputPixelSetExceptTransparent(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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procedure OutputPixelXor(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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procedure SetDrawMode(AValue: TDrawMode); |
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procedure UpdateCurrentLine(Y: Int32or64); inline; |
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procedure UpdateOutputPixel; |
Properties
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property DrawMode: TDrawMode read FDrawMode write SetDrawMode; |
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property OnOutputPixel: TOutputPixelProc read FOutputPixel write FOutputPixel; |
Description
Fields
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FBounds: TRect; |
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This item has no description. | |
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FCurrentOutputScanline: PBGRAPixel; |
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This item has no description. | |
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FCurrentOutputY: Int32or64; |
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This item has no description. | |
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FDrawMode: TDrawMode; |
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This item has no description. | |
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FIgnoreAlpha: boolean; |
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This item has no description. | |
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FOutputPixel: TOutputPixelProc; |
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This item has no description. | |
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FPalette: TBGRACustomApproxPalette; |
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This item has no description. | |
Methods
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constructor Create(ASource: IBGRAScanner; APalette: TBGRACustomApproxPalette; ADestination: TBGRACustomBitmap; AIgnoreAlpha: boolean; ABounds: TRect); overload; |
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This item has no description. | |
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constructor Create(bmp: TBGRACustomBitmap; APalette: TBGRACustomApproxPalette; AInPlace: boolean; AIgnoreAlpha: boolean; ABounds: TRect); overload; |
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This item has no description. | |
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constructor Create(bmp: TBGRACustomBitmap; APalette: TBGRACustomApproxPalette; AInPlace: boolean; AIgnoreAlpha: boolean); overload; |
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This item has no description. | |
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procedure ApproximateColor(const AColor: TBGRAPixel; out AApproxColor: TBGRAPixel; out AIndex: integer); |
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This item has no description. | |
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procedure OutputPixel(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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This item has no description. | |
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procedure OutputPixelDraw(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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This item has no description. | |
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procedure OutputPixelLinearBlend(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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This item has no description. | |
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procedure OutputPixelSet(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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This item has no description. | |
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procedure OutputPixelSetExceptTransparent(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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This item has no description. | |
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procedure OutputPixelXor(X,Y: Int32or64; AColorIndex: Int32or64; AColor: TBGRAPixel); virtual; |
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This item has no description. | |
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procedure SetDrawMode(AValue: TDrawMode); |
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This item has no description. | |
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procedure UpdateCurrentLine(Y: Int32or64); inline; |
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This item has no description. | |
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procedure UpdateOutputPixel; |
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This item has no description. | |
Properties
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property DrawMode: TDrawMode read FDrawMode write SetDrawMode; |
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This item has no description. | |
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property OnOutputPixel: TOutputPixelProc read FOutputPixel write FOutputPixel; |
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This item has no description. | |