--- a/windowing/windowserver/inc/Graphics/wsuibuffer.h Tue Jun 22 15:21:29 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,121 +0,0 @@
-// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
-// All rights reserved.
-// This component and the accompanying materials are made available
-// under the terms of "Eclipse Public License v1.0"
-// which accompanies this distribution, and is available
-// at the URL "http://www.eclipse.org/legal/epl-v10.html".
-//
-// Initial Contributors:
-// Nokia Corporation - initial contribution.
-//
-// Contributors:
-//
-// Description:
-//
-
-#ifndef __WSUIBUFFER_H__
-#define __WSUIBUFFER_H__
-
-#include <pixelformats.h>
-#include <graphics/wsgraphicdrawerinterface.h>
-
-/**
-@file
-@publishedPartner
-@prototype
-*/
-
-/**
-This class provides direct access to the memory of the UI buffer.
-
-This interface is to be used by CRPs that don't want to go through MWsGraphicsContext
-to handle their rendering, but want direct memory access.
-@publishedPartner
-@prototype
-*/
-class MWsUiBuffer: public MWsObjectProvider
- {
-public:
- DECLARE_WS_TYPE_ID(KMWsUiBufferInterfaceId)
-
- /**
- Finishes pending rendering to the buffer and temporarily makes the pixel
- data of the buffer image accessible for reading and writing by the CPU.
-
- When finished with the pixel data, the caller must end the mapping by
- calling @c Unmap().
-
- This method should only be called from the context of
- @c CWsGraphicDrawer::Draw().
- @param aDataAddress On return, the base address of the pixel data in the
- address space of the calling process
- @param aDataStride On return, the number of bytes between rows of the
- pixel data
- @return KErrNone if successful, otherwise one of the standard Symbian
- error codes
- @see Unmap()
- @publishedPartner
- @prototype
- */
- virtual TInt MapReadWrite(TAny*& aDataAddress, TInt& aDataStride) = 0;
-
- /**
- Finishes pending rendering to the buffer and temporarily makes the pixel
- data of the buffer image accessible for writing by the CPU.
-
- When finished with the pixel data, the caller must end the mapping by
- calling @c Unmap().
-
- This method should only be called from the context of
- @c CWsGraphicDrawer::Draw().
- @param aDataAddress On return, the base address of the pixel data in the
- address space of the calling process
- @param aDataStride On return, the number of bytes between rows of the
- pixel data
- @return KErrNone if successful, otherwise one of the standard Symbian
- error codes
- @see Unmap()
- @publishedPartner
- @prototype
- */
- virtual TInt MapWriteOnly(TAny*& aDataAddress, TInt& aDataStride) = 0;
-
- /**
- Makes the pixel data of an image no longer accessible to the CPU.
-
- Before calling this method the buffer must be mapped for CPU access by
- a previous call to @c MapReadWrite() or @c MapWriteOnly().
-
- This method should only be called from the context of
- @c CWsGraphicDrawer::Draw().
- @return KErrNone if successful, otherwise one of the standard Symbian
- error codes
- @see MapReadWrite()
- @see MapWriteOnly()
- @publishedPartner
- @prototype
- */
- virtual TInt Unmap() = 0;
-
- /**
- Gets the pixel format of the buffer.
- @return The pixel format of the buffer
- @publishedPartner
- @prototype
- */
- virtual TUidPixelFormat PixelFormat() const = 0;
-
- /**
- Gets the current size of the buffer.
-
- The actual size of the whole buffer might be larger than the returned
- value depending on the current screen mode. However, it is the size
- returned by this method that should be used when accessing the pixel data.
- @return The current size of the buffer
- @publishedPartner
- @prototype
- */
- virtual TSize SizeInPixels() const = 0;
- };
-
-#endif //__WSUiBUFFER_H__