Collapse all Symbian^3 Application Developer Library

RHardwareBitmap Class Reference

class RHardwareBitmap

The interface to a hardware bitmap.

This is a bitmap that can be drawn to by graphics acceleration hardware. It is stored in a contiguous area of physical memory.

After creating the hardware bitmap, it can be passed to CHardwareGraphicsAccelerator::NewL() .

CHardwareGraphicsAccelerator::NewL()

Public Member Functions
	RHardwareBitmap ()
	RHardwareBitmap ( TInt )
IMPORT_C TInt	GetInfo ( TAcceleratedBitmapInfo &)

Private Member Functions
IMPORT_C TInt	Create ( TDisplayMode , TSize , TUid )
IMPORT_C void	Destroy ()
IMPORT_C TInt	SetAsScreenReference ( TInt )

Public Attributes
TInt	iHandle

Constructor & Destructor Documentation

RHardwareBitmap()

RHardwareBitmap

(

)

[inline]

Default constructor.

Default constructor. Initialises the handle to zero.

RHardwareBitmap(TInt)

RHardwareBitmap

(

TInt

aHandle

)

[inline]

Constructor taking the handle of an existing RHardwareBitmap to duplicate it.

Constructor taking the handle of an existing RHardwareBitmap to duplicate.

Parameters

TInt aHandle

The RHardwareBitmap handle to duplicate.

Member Functions Documentation

Create(TDisplayMode, TSize, TUid)

IMPORT_C TInt	Create	(	TDisplayMode	aDisplayMode,
			TSize	aSize,
			TUid	aCreatorUid
		)	[private]

Parameters

TDisplayMode aDisplayMode
TSize aSize
TUid aCreatorUid

Destroy()

IMPORT_C void

Destroy

(

)

[private]

GetInfo(TAcceleratedBitmapInfo &)

IMPORT_C TInt

GetInfo

(

TAcceleratedBitmapInfo &

aInfo

)

const

Gets the information needed for accessing a bitmap directly into TAcceleratedBitmapInfo structure.

Parameters

TAcceleratedBitmapInfo & aInfo

On return, holds the information needed to directly access the bitmap.

SetAsScreenReference(TInt)

IMPORT_C TInt

SetAsScreenReference

(

TInt

aScreen = -1

)

[private]

Parameters

TInt aScreen = -1

Member Data Documentation

TInt iHandle

TInt

iHandle

The bitmap's handle; assigned during construction. This is used to identify the bitmap.