// Copyright (c) 2001-2009 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 __ACCELHARD_H__

#define __ACCELHARD_H__

#include "GraphicsAccelerator.h"

/**

@internalComponent

*/

enum TGraphicsAcceleratorPanic

	{

	EGraphicsAcceleratorPanicInvalidOperationBuffer,

	EGraphicsAcceleratorAttemptedDrawOutsideBitmap,

	};

/**

@internalComponent

*/

GLREF_C void GraphicsAcceleratorPanic(TGraphicsAcceleratorPanic aPanicCode);

/**

@internalComponent

*/

class CHardwareGraphicsAcceleratorBase : public CHardwareGraphicsAccelerator

	{

protected:

	void ConstructL(RHardwareBitmap aBitmap);

public:

	// From CGraphicsAccelerator

	virtual const TGraphicsAcceleratorCaps* Capabilities();

	virtual TInt Operation(const TGraphicsOperation& aOperation);

	virtual TInt Operation(const TGraphicsOperation& aOperation,TInt aNumClipRects,TRect* aClipRects);

	virtual TInt Operation(TDes8& aBuffer);

	virtual TInt Operation(TDes8& aBuffer,TInt aNumClipRects,TRect* aClipRects);

	// From CGraphicsAccelerator

	virtual void Reserved_1();

	virtual void Reserved_2();

	virtual void Reserved_3();

	virtual void Reserved_4();

protected:

	// Generic pure virtual operations

	virtual void DoFillRect(const TRect& aRect,TUint32 aFillValue) = 0;

    virtual TInt DoFilledRectWithPattern(const TRect& aRect,TGopFillPattern aPattern) = 0;

    virtual void DoInvertRect(const TRect& aRect) = 0;

	virtual TInt DoBitBlt(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSourceBitmapSpec,const TRect& aSourceRect) = 0;

    virtual TInt DoBitBltMasked(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSourceBitmapSpec,const TRect& aSourceRect,const TAcceleratedBitmapSpec& aMaskSpec) = 0;

	virtual void DoFadeRect(const TRect& aRect,const TGopFadeParams aFade) = 0;

 	virtual TInt DoBitBltAlphaBitmap(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSourceBitmapSpec,const TRect& aSourceRect,const TAcceleratedBitmapSpec& aAlphaBitmapSpec) = 0;

	virtual TInt DoAlphaBlendTwoBitmaps(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSrceBitmapSpec1,const TAcceleratedBitmapSpec& aSrceBitmapSpec2,const TRect& aSourceRect,const TPoint& aSrcPt2,const TAcceleratedBitmapSpec& aAlphaBitmapSpec,const TPoint& aAlphaPt) = 0;

	virtual TInt DoAlphaBlendOneBitmap(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSrceBitmapSpec,const TRect& aSourceRect,const TAcceleratedBitmapSpec& aAlphaBitmapSpec,const TPoint& aAlphaPt) = 0;

	//

	// New pure virtual

	virtual TUint32 FillValue(TRgb aColor) = 0; // Return a TUint32 value which has all pixels set to the given color

	virtual void DoUpdateScreen(const TRect& aRect) = 0;

	inline void UpdateScreen(const TRect& aRect);

protected:

	TGraphicsAcceleratorCaps const*	iCaps;

	TAcceleratedBitmapInfo			iBitmapInfo;

	TBool							iIsScreen;

	};

inline void CHardwareGraphicsAcceleratorBase::UpdateScreen(const TRect& aRect)

	{

	if(iIsScreen)

		DoUpdateScreen(aRect);

	}

/**

@internalComponent

*/

class CColor256HardwareGraphicsAccelerator : public CHardwareGraphicsAcceleratorBase

	{

public:

	static CColor256HardwareGraphicsAccelerator* NewL(RHardwareBitmap aBitmap);

protected:

	void ConstructL(RHardwareBitmap aBitmap);

	// From CHardwareGraphicsAcceleratorBase

	virtual void DoFillRect(const TRect& aRect,TUint32 aFillValue);

	virtual TInt DoFilledRectWithPattern(const TRect& aRect,TGopFillPattern aPattern);

	virtual void DoInvertRect(const TRect& aRect);

	virtual TInt DoBitBlt(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSourceBitmapSpec,const TRect& aSourceRect);

	virtual TInt DoBitBltMasked(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSourceBitmapSpec,const TRect& aSourceRect,const TAcceleratedBitmapSpec& aMaskSpec);

	virtual void DoFadeRect(const TRect& aRect,const TGopFadeParams aFade);

	virtual TInt DoBitBltAlphaBitmap(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSourceBitmapSpec,const TRect& aSourceRect,const TAcceleratedBitmapSpec& aAlphaBitmapSpec);

	virtual TInt DoAlphaBlendTwoBitmaps(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSrceBitmapSpec1,const TAcceleratedBitmapSpec& aSrceBitmapSpec2,const TRect& aSourceRect,const TPoint& aSrcPt2,const TAcceleratedBitmapSpec& aAlphaBitmapSpec,const TPoint& aAlphaPt);

	virtual TInt DoAlphaBlendOneBitmap(const TPoint& aDestination,const TAcceleratedBitmapSpec& aSrceBitmapSpec,const TRect& aSourceRect,const TAcceleratedBitmapSpec& aAlphaBitmapSpec,const TPoint& aAlphaPt);

	virtual TUint32 FillValue(TRgb aColor);

	virtual void DoUpdateScreen(const TRect& aRect);

private:

    TInt iScreenNo;

	};

#endif