Class TBGRACustomScanner

Description

Hierarchy

Fields

Methods

Properties

Unit

BGRABitmapTypes

Declaration

type TBGRACustomScanner = class(IBGRAScanner)

Description

Base class for implementing IBGRAScanner interface

Hierarchy

IInterface
IBGRAScanner
TBGRACustomScanner

Overview

Methods

	`function GetImageBoundsWithin(const ARect: TRect; Channel: TChannel = cAlpha; ANothingValue: Byte = 0): TRect; overload; virtual;`
	`function GetImageBoundsWithin(const ARect: TRect; Channels: TChannels; ANothingValue: Byte = 0): TRect; overload; virtual;`
	`function GetScanCustomColorspace: TColorspaceAny; virtual;`
	`function GetScanlineAt(X,Y: integer): PBGRAPixel; virtual;`
	`function GetTextureGL: IUnknown; virtual;`
	`function IsScanPutPixelsDefined: boolean; virtual;`
	`function ProvidesScanline(ARect: TRect): boolean; virtual;`
	`function ScanAt(X,Y: Single): TBGRAPixel; virtual; abstract;`
	`function ScanAtExpanded(X,Y: Single): TExpandedPixel; virtual;`
	`function ScanAtInteger(X,Y: integer): TBGRAPixel; virtual;`
	`function ScanAtIntegerExpanded(X,Y: integer): TExpandedPixel; virtual;`
	`function ScanAtIntegerMask(X,Y: integer): TByteMask; virtual;`
	`function ScanAtMask(X,Y: Single): TByteMask; virtual;`
	`function ScanNextExpandedPixel: TExpandedPixel; virtual;`
	`function ScanNextPixel: TBGRAPixel; virtual;`
	`function QueryInterface(const IID: TGUID; out Obj): HResult; cdecl;`
	`function _AddRef: Integer; cdecl;`
	`function _Release: Integer; cdecl;`
	`procedure ScanMoveTo(X,Y: Integer); virtual;`
	`procedure ScanNextCustomChunk(var ACount: integer; out APixels: Pointer); virtual;`
	`procedure ScanNextMaskChunk(var ACount: integer; out AMask: PByteMask; out AStride: integer); virtual;`
	`procedure ScanPutPixels(pdest: PBGRAPixel; count: integer; mode: TDrawMode); virtual;`
	`procedure ScanSkipPixels(ACount: integer); virtual;`

Description

Methods

	`function GetImageBoundsWithin(const ARect: TRect; Channel: TChannel = cAlpha; ANothingValue: Byte = 0): TRect; overload; virtual;`
This item has no description.

	`function GetImageBoundsWithin(const ARect: TRect; Channels: TChannels; ANothingValue: Byte = 0): TRect; overload; virtual;`
This item has no description.

	`function GetScanCustomColorspace: TColorspaceAny; virtual;`
This item has no description.

	`function GetScanlineAt(X,Y: integer): PBGRAPixel; virtual;`
This item has no description.

	`function GetTextureGL: IUnknown; virtual;`
This item has no description.

	`function IsScanPutPixelsDefined: boolean; virtual;`
This item has no description.

	`function ProvidesScanline(ARect: TRect): boolean; virtual;`
This item has no description.

	`function ScanAt(X,Y: Single): TBGRAPixel; virtual; abstract;`
This item has no description.

	`function ScanAtExpanded(X,Y: Single): TExpandedPixel; virtual;`
This item has no description.

	`function ScanAtInteger(X,Y: integer): TBGRAPixel; virtual;`
This item has no description.

	`function ScanAtIntegerExpanded(X,Y: integer): TExpandedPixel; virtual;`
This item has no description.

	`function ScanAtIntegerMask(X,Y: integer): TByteMask; virtual;`
This item has no description.

	`function ScanAtMask(X,Y: Single): TByteMask; virtual;`
This item has no description.

	`function ScanNextExpandedPixel: TExpandedPixel; virtual;`
This item has no description.

	`function ScanNextPixel: TBGRAPixel; virtual;`
This item has no description.

	`function QueryInterface(const IID: TGUID; out Obj): HResult; cdecl;`
This item has no description.

	`function _AddRef: Integer; cdecl;`
This item has no description.

	`function _Release: Integer; cdecl;`
This item has no description.

	`procedure ScanMoveTo(X,Y: Integer); virtual;`
This item has no description.

	`procedure ScanNextCustomChunk(var ACount: integer; out APixels: Pointer); virtual;`
This item has no description.

	`procedure ScanNextMaskChunk(var ACount: integer; out AMask: PByteMask; out AStride: integer); virtual;`
This item has no description.

	`procedure ScanPutPixels(pdest: PBGRAPixel; count: integer; mode: TDrawMode); virtual;`
This item has no description.

	`procedure ScanSkipPixels(ACount: integer); virtual;`
This item has no description.