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TGopBitBlt Class Reference

class TGopBitBlt : public TGraphicsOperation

An accelerated graphics operation that copies a rectangular region of one bitmap into another.

The data members are all initialised on construction. Objects of this class can be passed to a graphics accelerator's Operation() function either individually, or in a buffer.

Inherits from

TGopBitBlt
- TGraphicsOperation

Public Member Functions
	TGopBitBlt(const TPoint &, TAcceleratedBitmapSpec, TRect &)

Inherited Functions
	TGraphicsOperation::Append(TInt,TAny *)
	TGraphicsOperation::Function()const
	TGraphicsOperation::Next()const
	TGraphicsOperation::Size()const
	TGraphicsOperation::TGraphicsOperation()
	TGraphicsOperation::TGraphicsOperation(TGopFunction,TInt)

Inherited Enumerations
	TGraphicsOperation:TGopFunction

Public Attributes
TPoint	iDestination
TAcceleratedBitmapSpec	iSourceBitmap
TRect	iSourceRect

Inherited Attributes
	TGraphicsOperation::iFunction
	TGraphicsOperation::iSize

Constructor & Destructor Documentation

TGopBitBlt(const TPoint &, TAcceleratedBitmapSpec, TRect &)

TGopBitBlt	(	const TPoint &	aDestination,
		TAcceleratedBitmapSpec	aSourceBitmap,
		TRect &	aSourceRect
	)	[inline]

Constructor with a position, a source bitmap handle and a rectangle.

Parameters

const TPoint & aDestination	The destination for the top left hand corner of the portion of the source bitmap.
TAcceleratedBitmapSpec aSourceBitmap	A handle to the source bitmap, and other information needed to draw it.
TRect & aSourceRect	A rectangle within the source bitmap. Its coordinates are relative to the top left of the source bitmap. Defines the part of the source bitmap to be copied.

Member Data Documentation

TPoint iDestination

TPoint

iDestination

The destination for the top left hand corner of the portion of the source bitmap.

TAcceleratedBitmapSpec iSourceBitmap

TAcceleratedBitmapSpec

iSourceBitmap

A handle to the source bitmap, and other information needed to draw it.

TRect iSourceRect

TRect

iSourceRect

A rectangle defining all or a part of the bitmap to be copied.