Class TBGRAReaderTiff

Unit

Declaration

type TBGRAReaderTiff = class(TFPCustomImageReader)

Description

Reader for TIFF format

Hierarchy

TFPCustomImageReader
TBGRAReaderTiff

Overview

Fields

ImageList: TFPList;

Methods

	`constructor Create; override;`
	`destructor Destroy; override;`
	`function FirstImg: TTiffIFD;`
	`function GetBiggestImage: TTiffIFD;`
	`function ImageCount: integer;`
	`function InternalCheck(Str: TStream): boolean; override;`
	`procedure Clear;`
	`procedure LoadFromStream(aStream: TStream; AutoClear: boolean = true);`
	`procedure LoadHeaderFromStream(aStream: TStream);`
	`procedure LoadIFDsFromStream;`
	`procedure LoadImageFromStream(Index: integer);`
	`procedure LoadImageFromStream(IFD: TTiffIFD);`
	`procedure ReleaseStream;`
	`procedure DoCreateImage(ImgFileDir: TTiffIFD); virtual;`
	`procedure InternalRead(Str: TStream; AnImage: TFPCustomImage); override;`

Properties

	`property CheckIFDOrder: TTiffCheckIFDOrder read FCheckIFDOrder write FCheckIFDOrder;`
	`property FirstIFDStart: LongWord read FFirstIFDStart;`
	`property Images[Index: integer]: TTiffIFD read GetImages;`
	`property OnCreateImage: TTiffCreateCompatibleImgEvent read FOnCreateImage write FOnCreateImage;`
	`property StartPos: int64 read fStartPos;`
	`property TheStream: TStream read s;`

Description

Fields

	`ImageList: TFPList;`
advanced

Methods

	`constructor Create; override;`
This item has no description.

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

	`function FirstImg: TTiffIFD;`
check order of IFD entries or not

	`function GetBiggestImage: TTiffIFD;`
This item has no description.

	`function ImageCount: integer;`
This item has no description.

	`function InternalCheck(Str: TStream): boolean; override;`
This item has no description.

	`procedure Clear;`
This item has no description.

	`procedure LoadFromStream(aStream: TStream; AutoClear: boolean = true);`
This item has no description.

	`procedure LoadHeaderFromStream(aStream: TStream);`
list of TTiffIFD

	`procedure LoadIFDsFromStream;`
This item has no description.

	`procedure LoadImageFromStream(Index: integer);`
call LoadHeaderFromStream before

	`procedure LoadImageFromStream(IFD: TTiffIFD);`
call LoadIFDsFromStream before

	`procedure ReleaseStream;`
call LoadIFDsFromStream before

	`procedure DoCreateImage(ImgFileDir: TTiffIFD); virtual;`
This item has no description.

	`procedure InternalRead(Str: TStream; AnImage: TFPCustomImage); override;`
This item has no description.

Properties

	`property CheckIFDOrder: TTiffCheckIFDOrder read FCheckIFDOrder write FCheckIFDOrder;`
This item has no description.

	`property FirstIFDStart: LongWord read FFirstIFDStart;`
This item has no description.

	`property Images[Index: integer]: TTiffIFD read GetImages;`
This item has no description.

	`property OnCreateImage: TTiffCreateCompatibleImgEvent read FOnCreateImage write FOnCreateImage;`
load all images (you need to handle `OnCreateImage` event and assign ImgFileDir.Img)

	`property StartPos: int64 read fStartPos;`
This item has no description.

	`property TheStream: TStream read s;`
This item has no description.