Class TBGRAColorQuantizer

Fields

Properties

Unit

BGRAColorQuantization

Declaration

type TBGRAColorQuantizer = class(TBGRACustomColorQuantizer)

Description

Implementation of color quantization

Hierarchy

TObject
TBGRACustomColorQuantizer
TBGRAColorQuantizer

Overview

Methods

	`constructor Create(ABitmap: TBGRACustomBitmap; AAlpha: TAlphaChannelPaletteOption); override;`
	`constructor Create(APalette: TBGRACustomPalette; ASeparateAlphaChannel: boolean); override;`
	`constructor Create(ABitmap: TBGRACustomBitmap; AAlpha: TAlphaChannelPaletteOption; AReductionColorCount: integer); override;`
	`constructor Create(APalette: TBGRACustomPalette; ASeparateAlphaChannel: boolean; AReductionColorCount: integer); override;`
	`destructor Destroy; override;`
	`function GetDitheredBitmap(AAlgorithm: TDitheringAlgorithm; ABitmap: TBGRACustomBitmap; ABounds: TRect): TBGRACustomBitmap; overload; override;`
	`function GetDitheredBitmapIndexedData(ABitDepth: integer; AByteOrder: TRawImageByteOrder; AAlgorithm: TDitheringAlgorithm; ABitmap: TBGRACustomBitmap; out AScanlineSize: PtrInt): Pointer; overload; override;`
	`function GetPalette: TBGRACustomApproxPalette; override;`
	`function GetReductionColorCount: integer; override;`
	`function GetSourceColor(AIndex: integer): TBGRAPixel; override;`
	`function GetSourceColorCount: Integer; override;`
	`procedure ApplyDitheringInplace(AAlgorithm: TDitheringAlgorithm; ABitmap: TBGRACustomBitmap; ABounds: TRect); override;`
	`procedure SaveBitmapToStream(AAlgorithm: TDitheringAlgorithm; ABitmap: TBGRACustomBitmap; AStream: TStream; AFormat: TBGRAImageFormat); override;`
	`procedure SetReductionColorCount(AValue: Integer); override;`

Description

Methods

	`constructor Create(ABitmap: TBGRACustomBitmap; AAlpha: TAlphaChannelPaletteOption); override;`
This item has no description.

	`constructor Create(APalette: TBGRACustomPalette; ASeparateAlphaChannel: boolean); override;`
This item has no description.

	`constructor Create(ABitmap: TBGRACustomBitmap; AAlpha: TAlphaChannelPaletteOption; AReductionColorCount: integer); override;`
This item has no description.

	`constructor Create(APalette: TBGRACustomPalette; ASeparateAlphaChannel: boolean; AReductionColorCount: integer); override;`
This item has no description.

	`destructor Destroy; override;`
This item has no description.

	`function GetDitheredBitmap(AAlgorithm: TDitheringAlgorithm; ABitmap: TBGRACustomBitmap; ABounds: TRect): TBGRACustomBitmap; overload; override;`
This item has no description.

	`function GetDitheredBitmapIndexedData(ABitDepth: integer; AByteOrder: TRawImageByteOrder; AAlgorithm: TDitheringAlgorithm; ABitmap: TBGRACustomBitmap; out AScanlineSize: PtrInt): Pointer; overload; override;`
This item has no description.

	`function GetPalette: TBGRACustomApproxPalette; override;`
This item has no description.

	`function GetReductionColorCount: integer; override;`
This item has no description.

	`function GetSourceColor(AIndex: integer): TBGRAPixel; override;`
This item has no description.

	`function GetSourceColorCount: Integer; override;`
This item has no description.

	`procedure ApplyDitheringInplace(AAlgorithm: TDitheringAlgorithm; ABitmap: TBGRACustomBitmap; ABounds: TRect); override;`
This item has no description.

	`procedure SaveBitmapToStream(AAlgorithm: TDitheringAlgorithm; ABitmap: TBGRACustomBitmap; AStream: TStream; AFormat: TBGRAImageFormat); override;`
This item has no description.

	`procedure SetReductionColorCount(AValue: Integer); override;`
This item has no description.