/*
* Copyright (c) 2006-2007 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: Definition of CHuiVg10CanvasRenderBuffer
*
*/
#ifndef HUIVG10CANVASRENDERBUFFER_H_
#define HUIVG10CANVASRENDERBUFFER_H_
#include <e32base.h>
#include <VG/openvg.h>
#include <EGL/egl.h>
#include "huicanvasrenderbuffer.h"
#include "uiacceltk/HuiGc.h"
#include "HuiVg10RenderPlugin.h"
/* Forward declarations. */
class CHuiRenderPlugin;
NONSHARABLE_CLASS (CHuiVg10CanvasRenderBuffer) : public CHuiCanvasRenderBuffer
{
public:
/**
* Constructor.
*/
CHuiVg10CanvasRenderBuffer();
/**
* Destructor.
*/
~CHuiVg10CanvasRenderBuffer();
public: // From CHuiCanvasRenderBuffer
/**
* Initializes render buffer.
*/
void InitializeL(const TSize& aSize);
/**
* Releases render target resources.
*/
void UnInitialize();
/**
* Binds as render buffer.
*/
void Bind();
/**
* Unbinds as render target and restores the previous target.
*/
void UnBind();
/**
* Copies content from the given buffer
*/
void Copy(const CHuiCanvasRenderBuffer& aSourceBuffer);
/**
* Copies content from the active surface.
*/
void Copy(TPoint aPoint);
/**
* Initializes render buffer, with clear option.
*/
void InitializeL(const TSize& aSize, TBool aForceClear);
public:
VGImage Image() const;
private:
void PushEGLContext();
void PopEGLContext();
void ReadBackground(TPoint aPosition);
private:
CHuiGc* iGc;
VGImage iImage;
VGImage iRotatedImage;
EGLContext iContext;
EGLSurface iSurface;
EGLContext iSavedContext;
EGLSurface iSavedReadSurface;
EGLSurface iSavedDrawSurface;
TEGLState iPreviousEGLState;
};
#endif /* HUIVG10CANVASRENDERBUFFER_H_ */