Class TFilterTask

Unit

Declaration

type TFilterTask = class(TObject)

Description

Task to apply a filter on an image

Hierarchy

TObject
TFilterTask

Overview

Fields

	`FCurrentY: integer;`
	`FDestination: TBGRACustomBitmap;`
	`FSource: TBGRACustomBitmap;`
	`FSourceScanner: IBGRAScanner;`

Methods

	`function Execute: TBGRACustomBitmap;`
	`function GetShouldStop(ACurrentY: integer): boolean;`
	`function RequestSourceExpandedScanLine(X,Y,Count: Integer): PExpandedPixel;`
	`function RequestSourceScanLine(X,Y,Count: Integer): PBGRAPixel;`
	`procedure DoExecute; virtual; abstract;`
	`procedure ReleaseSourceExpandedScanLine(P: PExpandedPixel);`
	`procedure ReleaseSourceScanLine(P: PBGRAPixel);`
	`procedure SetSource(AScanner: IBGRAScanner); overload;`
	`procedure SetSource(ABitmap: TBGRACustomBitmap); overload;`

Properties

	`property CheckShouldStop: TCheckShouldStopFunc read FCheckShouldStop write FCheckShouldStop;`
	`property CurrentY: integer read FCurrentY;`
	`property Destination: TBGRACustomBitmap read FDestination write SetDestination;`
	`property Inplace: boolean read GetInplace write SetInplace;`
	`property ScanOffset: TPoint read FScanOffset write FScanOffset;`

Description

Fields

	`FCurrentY: integer;`
This item has no description.

	`FDestination: TBGRACustomBitmap;`
This item has no description.

	`FSource: TBGRACustomBitmap;`
This item has no description.

	`FSourceScanner: IBGRAScanner;`
This item has no description.

Methods

	`function Execute: TBGRACustomBitmap;`
This item has no description.

	`function GetShouldStop(ACurrentY: integer): boolean;`
This item has no description.

	`function RequestSourceExpandedScanLine(X,Y,Count: Integer): PExpandedPixel;`
This item has no description.

	`function RequestSourceScanLine(X,Y,Count: Integer): PBGRAPixel;`
This item has no description.

	`procedure DoExecute; virtual; abstract;`
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	`procedure ReleaseSourceExpandedScanLine(P: PExpandedPixel);`
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	`procedure ReleaseSourceScanLine(P: PBGRAPixel);`
This item has no description.

	`procedure SetSource(AScanner: IBGRAScanner); overload;`
This item has no description.

	`procedure SetSource(ABitmap: TBGRACustomBitmap); overload;`
This item has no description.

Properties

	`property CheckShouldStop: TCheckShouldStopFunc read FCheckShouldStop write FCheckShouldStop;`
This item has no description.

	`property CurrentY: integer read FCurrentY;`
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	`property Destination: TBGRACustomBitmap read FDestination write SetDestination;`
This item has no description.

	`property Inplace: boolean read GetInplace write SetInplace;`
This item has no description.

	`property ScanOffset: TPoint read FScanOffset write FScanOffset;`
This item has no description.