Unit BGRAPalette
Description
Palette of colors for various purposes, loading/saving into various formats
Uses
- BGRAClasses
- SysUtils
- Avl_Tree
- BGRABitmapTypes
- FPimage
Overview
Structures
| Name | Description |
|---|---|
Class TBGRA16BitPalette |
Palette containing all possible 16-bit colors. |
Class TBGRAAvgLvlPalette |
Abstract implementation of a BGRA palette using a binary tree. |
Class TBGRACustomApproxPalette |
Abstract palette that can find an approximate matching color |
Class TBGRACustomColorQuantizer |
Abstract class for color quantization. |
Class TBGRACustomPalette |
Abstract class containing a palette |
Class TBGRAIndexedPalette |
Indexed palette of colors |
Packed Record TBGRAIndexedPaletteEntry |
Indexed color in palette |
Class TBGRAPalette |
Palette of colors, roughly sorted by luminosity |
Class TBGRAReferencePalette |
Palette of colors indirectly specify by a pointer |
Class TBGRAWeightedPalette |
Palette of weighted colors. |
Packed Record TBGRAWeightedPaletteEntry |
Weighted color in palette |
Functions and Procedures
procedure ArrayOfTBGRAPixel_InsertionSort(AColors: ArrayOfTBGRAPixel; AMinIndex, AMaxIndex: Int32or64; AComparer: TBGRAPixelComparer = nil); |
procedure ArrayOfTBGRAPixel_QuickSort(AColors: ArrayOfTBGRAPixel; AMinIndex, AMaxIndex: Int32or64; AComparer: TBGRAPixelComparer = nil); |
procedure ArrayOfWeightedColor_InsertionSort(AColors: ArrayOfWeightedColor; AMinIndex, AMaxIndex: Int32or64; AComparer: TBGRAPixelComparer = nil); |
procedure ArrayOfWeightedColor_QuickSort(AColors: ArrayOfWeightedColor; AMinIndex, AMaxIndex: Int32or64; AComparer: TBGRAPixelComparer = nil); |
function BGRARegisteredPaletteFormatFilter(AAllSupportedDescription: string) : string; |
procedure BGRARegisterPaletteFormat(AFormatIndex: TBGRAPaletteFormat; AExtension: string; ADescription: string; AReadProc: TPaletteReaderProc; AWriteProc: TPaletteWriterProc; ACheckFormatProc: TCheckPaletteFormatProc); |
function BGRARequiredBitDepth(ABitmap: TBGRACustomBitmap; AAlpha: TAlphaChannelPaletteOption): integer; overload; |
function BGRARequiredBitDepth(APalette: TBGRACustomPalette): integer; overload; |
Types
ArrayOfWeightedColor = array of TBGRAWeightedPaletteEntry; |
PBGRAIndexedPaletteEntry = ˆTBGRAIndexedPaletteEntry; |
PBGRAWeightedPaletteEntry = ˆTBGRAWeightedPaletteEntry; |
TBGRAColorQuantizerAny = class of TBGRACustomColorQuantizer; |
TBGRAPaletteFormat = integer; |
TBGRAPixelComparer = function (p1,p2 : PBGRAPixel): boolean; |
TCheckPaletteFormatProc = function(ABuf256: string): boolean; |
TPaletteReaderProc = function(APalette: TBGRAPalette; AStream: TStream): boolean; |
TPaletteWriterProc = procedure(APalette: TBGRAPalette; AStream: TStream); |
Constants
MaxLastAddedColors = 10; |
palAdobeSwatchExchange : TBGRAPaletteFormat = 3; |
palCustom : TBGRAPaletteFormat = 100; |
palGimp : TBGRAPaletteFormat = 2; |
palJascPSP : TBGRAPaletteFormat = 5; |
palKOffice : TBGRAPaletteFormat = 4; |
palPaintDotNet : TBGRAPaletteFormat = 1; |
palUnknown : TBGRAPaletteFormat = 0; |
Variables
BGRAColorQuantizerFactory: TBGRAColorQuantizerAny; |
Description
Functions and Procedures
procedure ArrayOfTBGRAPixel_InsertionSort(AColors: ArrayOfTBGRAPixel; AMinIndex, AMaxIndex: Int32or64; AComparer: TBGRAPixelComparer = nil); |
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procedure ArrayOfTBGRAPixel_QuickSort(AColors: ArrayOfTBGRAPixel; AMinIndex, AMaxIndex: Int32or64; AComparer: TBGRAPixelComparer = nil); |
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procedure ArrayOfWeightedColor_InsertionSort(AColors: ArrayOfWeightedColor; AMinIndex, AMaxIndex: Int32or64; AComparer: TBGRAPixelComparer = nil); |
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procedure ArrayOfWeightedColor_QuickSort(AColors: ArrayOfWeightedColor; AMinIndex, AMaxIndex: Int32or64; AComparer: TBGRAPixelComparer = nil); |
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function BGRARegisteredPaletteFormatFilter(AAllSupportedDescription: string) : string; |
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procedure BGRARegisterPaletteFormat(AFormatIndex: TBGRAPaletteFormat; AExtension: string; ADescription: string; AReadProc: TPaletteReaderProc; AWriteProc: TPaletteWriterProc; ACheckFormatProc: TCheckPaletteFormatProc); |
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function BGRARequiredBitDepth(ABitmap: TBGRACustomBitmap; AAlpha: TAlphaChannelPaletteOption): integer; overload; |
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function BGRARequiredBitDepth(APalette: TBGRACustomPalette): integer; overload; |
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Types
ArrayOfWeightedColor = array of TBGRAWeightedPaletteEntry; |
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PBGRAIndexedPaletteEntry = ˆTBGRAIndexedPaletteEntry; |
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PBGRAWeightedPaletteEntry = ˆTBGRAWeightedPaletteEntry; |
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TBGRAColorQuantizerAny = class of TBGRACustomColorQuantizer; |
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TBGRAPaletteFormat = integer; |
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TBGRAPixelComparer = function (p1,p2 : PBGRAPixel): boolean; |
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TCheckPaletteFormatProc = function(ABuf256: string): boolean; |
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TPaletteReaderProc = function(APalette: TBGRAPalette; AStream: TStream): boolean; |
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TPaletteWriterProc = procedure(APalette: TBGRAPalette; AStream: TStream); |
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Constants
MaxLastAddedColors = 10; |
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palAdobeSwatchExchange : TBGRAPaletteFormat = 3; |
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palCustom : TBGRAPaletteFormat = 100; |
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palGimp : TBGRAPaletteFormat = 2; |
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palJascPSP : TBGRAPaletteFormat = 5; |
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palKOffice : TBGRAPaletteFormat = 4; |
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palPaintDotNet : TBGRAPaletteFormat = 1; |
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palUnknown : TBGRAPaletteFormat = 0; |
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Variables
BGRAColorQuantizerFactory: TBGRAColorQuantizerAny; |
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