Unit BGRAReadTiff

📄 Source code

Description

Tiff reader implementation

Uses

Overview

Structures

Name Description
Class TBGRAReaderTiff Reader for TIFF format

Functions and Procedures

function DecompressDeflate(Compressed: PByte; CompressedCount: LongWord; out Decompressed: PByte; var DecompressedCount: LongWord; ErrorMsg: PAnsiString = nil): boolean;
procedure DecompressLZW(Buffer: Pointer; Count: PtrInt; out NewBuffer: PByte; out NewCount: PtrInt);
procedure DecompressPackBits(Buffer: Pointer; Count: PtrInt; out NewBuffer: Pointer; out NewCount: PtrInt);
function ResolutionUnitToTifResolutionUnit(AResolutionUnit: TResolutionUnit): DWord;
function TifResolutionUnitToResolutionUnit(ATifResolutionUnit: DWord): TResolutionUnit;

Types

TTiffCheckIFDOrder = (...);
TTiffCreateCompatibleImgEvent = procedure(Sender: TBGRAReaderTiff; ImgFileDir: TTiffIFD) of object;

Description

Functions and Procedures

function DecompressDeflate(Compressed: PByte; CompressedCount: LongWord; out Decompressed: PByte; var DecompressedCount: LongWord; ErrorMsg: PAnsiString = nil): boolean;

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procedure DecompressLZW(Buffer: Pointer; Count: PtrInt; out NewBuffer: PByte; out NewCount: PtrInt);

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procedure DecompressPackBits(Buffer: Pointer; Count: PtrInt; out NewBuffer: Pointer; out NewCount: PtrInt);

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function ResolutionUnitToTifResolutionUnit(AResolutionUnit: TResolutionUnit): DWord;

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function TifResolutionUnitToResolutionUnit(ATifResolutionUnit: DWord): TResolutionUnit;

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Types

TTiffCheckIFDOrder = (...);

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Values
  • tcioSmart
  • tcioAlways
  • tcioNever
TTiffCreateCompatibleImgEvent = procedure(Sender: TBGRAReaderTiff; ImgFileDir: TTiffIFD) of object;

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