Class TAvifWriter
Unit
Declaration
type TAvifWriter = class(TObject)
Description
Writer for AVIF images or animations (not derived from TFPCustomImageWriter)
Hierarchy
- TObject
- TAvifWriter
Overview
Fields
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FAvifOutput: avifRWData; |
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FEncoder: PAvifEncoder; |
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FEncoderWrap: TObject; |
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FIgnoreAlpha: boolean; |
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FImagesCount: uint32; |
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FLossless: boolean; |
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FOnlyOneImage: boolean; |
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FPixelFormat: avifPixelFormat; |
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FQuality0to100: integer; |
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FQualityAlpha0to100: integer; |
Methods
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constructor Create( AQuality0to100: integer = AVIF_BGRA_DEFAULT_QUALITY; ASpeed0to10: integer = AVIF_BGRA_SPEED_DEFAULT; APixelFormat: avifPixelFormat = AVIF_BGRA_PIXEL_FORMAT_DEFAULT; AIgnoreAlpha: boolean = False); virtual; overload; |
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destructor Destroy; override; |
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class function CreateEncoder: PAvifEncoder; |
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function GetOutputSize: NativeUInt; |
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function SaveToFile(AFileName: string): NativeUInt; |
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function SaveToMemory(AData: Pointer; ASize: NativeUInt): NativeUInt; |
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function SaveToStream(AStream: TStream): NativeUInt; |
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function GetEncoder: avifCodecChoice; |
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function GetLossless: boolean; |
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function GetMaxThreads: integer; |
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function GetSpeed: integer; |
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function GetTimescale: uint64; |
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procedure AddImage(ABitmap: TBGRACustomBitmap; ADurationMs: cardinal=0); |
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procedure Close; |
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class procedure DestroyEncoder(var AEncoder: PAvifEncoder); |
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procedure ApplyQuality; |
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procedure EncoderFinish; |
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procedure SetEncoder(ACodec: avifCodecChoice); |
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procedure SetIgnoreAlpha(AValue: boolean); |
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procedure SetLossless(AValue: boolean); |
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procedure SetMaxThreads(AMT: integer); |
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procedure SetQuality(AValue: integer); |
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procedure SetQualityAlpha(AValue: integer); |
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procedure SetSpeed(ASpeed: integer); |
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procedure SetTimescale(ATimescale: uint64); |
Properties
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property Encoder: avifCodecChoice read GetEncoder write SetEncoder; |
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property IgnoreAlpha: boolean read FIgnoreAlpha write SetIgnoreAlpha; |
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property Lossless: boolean read GetLossless write SetLossless; |
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property MaxThreads: integer read GetMaxThreads write SetMaxThreads; |
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property OnlyOneImage: boolean read FOnlyOneImage write FOnlyOneImage; |
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property PixelFormat: avifPixelFormat read FPixelFormat write FPixelFormat; |
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property Quality: integer read FQuality0to100 write SetQuality; |
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property QualityAlpha: integer read FQualityAlpha0to100 write SetQualityAlpha; |
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property Speed: integer read GetSpeed write SetSpeed; |
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property Timescale: uint64 read GetTimescale write SetTimescale; |
Description
Fields
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FAvifOutput: avifRWData; |
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This item has no description. | |
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FEncoder: PAvifEncoder; |
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This item has no description. | |
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FEncoderWrap: TObject; |
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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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FImagesCount: uint32; |
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This item has no description. | |
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FLossless: boolean; |
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This item has no description. | |
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FOnlyOneImage: boolean; |
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This item has no description. | |
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FPixelFormat: avifPixelFormat; |
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This item has no description. | |
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FQuality0to100: integer; |
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TEncoderBase; | |
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FQualityAlpha0to100: integer; |
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This item has no description. | |
Methods
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constructor Create( AQuality0to100: integer = AVIF_BGRA_DEFAULT_QUALITY; ASpeed0to10: integer = AVIF_BGRA_SPEED_DEFAULT; APixelFormat: avifPixelFormat = AVIF_BGRA_PIXEL_FORMAT_DEFAULT; AIgnoreAlpha: boolean = False); virtual; overload; |
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This item has no description. | |
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destructor Destroy; override; |
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This item has no description. | |
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class function CreateEncoder: PAvifEncoder; |
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This item has no description. | |
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function GetOutputSize: NativeUInt; |
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This item has no description. | |
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function SaveToFile(AFileName: string): NativeUInt; |
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This item has no description. | |
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function SaveToMemory(AData: Pointer; ASize: NativeUInt): NativeUInt; |
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This item has no description. | |
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function SaveToStream(AStream: TStream): NativeUInt; |
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This item has no description. | |
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function GetEncoder: avifCodecChoice; |
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This item has no description. | |
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function GetLossless: boolean; |
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This item has no description. | |
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function GetMaxThreads: integer; |
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This item has no description. | |
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function GetSpeed: integer; |
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This item has no description. | |
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function GetTimescale: uint64; |
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This item has no description. | |
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procedure AddImage(ABitmap: TBGRACustomBitmap; ADurationMs: cardinal=0); |
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This item has no description. | |
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procedure Close; |
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This item has no description. | |
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class procedure DestroyEncoder(var AEncoder: PAvifEncoder); |
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This item has no description. | |
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procedure ApplyQuality; |
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This item has no description. | |
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procedure EncoderFinish; |
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This item has no description. | |
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procedure SetEncoder(ACodec: avifCodecChoice); |
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This item has no description. | |
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procedure SetIgnoreAlpha(AValue: boolean); |
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This item has no description. | |
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procedure SetLossless(AValue: boolean); |
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This item has no description. | |
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procedure SetMaxThreads(AMT: integer); |
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This item has no description. | |
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procedure SetQuality(AValue: integer); |
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This item has no description. | |
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procedure SetQualityAlpha(AValue: integer); |
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This item has no description. | |
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procedure SetSpeed(ASpeed: integer); |
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This item has no description. | |
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procedure SetTimescale(ATimescale: uint64); |
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This item has no description. | |
Properties
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property Encoder: avifCodecChoice read GetEncoder write SetEncoder; |
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This item has no description. | |
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property IgnoreAlpha: boolean read FIgnoreAlpha write SetIgnoreAlpha; |
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frequency in Hertz | |
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property Lossless: boolean read GetLossless write SetLossless; |
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This item has no description. | |
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property MaxThreads: integer read GetMaxThreads write SetMaxThreads; |
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This item has no description. | |
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property OnlyOneImage: boolean read FOnlyOneImage write FOnlyOneImage; |
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This item has no description. | |
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property PixelFormat: avifPixelFormat read FPixelFormat write FPixelFormat; |
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This item has no description. | |
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property Quality: integer read FQuality0to100 write SetQuality; |
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This item has no description. | |
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property QualityAlpha: integer read FQualityAlpha0to100 write SetQualityAlpha; |
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This item has no description. | |
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property Speed: integer read GetSpeed write SetSpeed; |
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This item has no description. | |
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property Timescale: uint64 read GetTimescale write SetTimescale; |
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This item has no description. | |