// 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 __DIRECTGDIGCWRAPPER_H__

#define __DIRECTGDIGCWRAPPER_H__

#include <graphics/wsgraphicscontext.h>

#include <graphics/directgdiimagetarget.h>

#include <graphics/directgdicontext.h>

#include <graphics/wsdrawablesourceprovider.h>

#include <graphics/sgimage.h>

/* 

 * Required by MWsFader implementation

 */

struct TFadingParams

    {

    TUint8 blackMap;

    TUint8 whiteMap;

    };

/**

The purpose of this class is to wrap a @c CDirectGdiContext whenever an

@c MWsGraphicsContext is needed.

The methods doesn't do anything other than calling the corresponding method

in @c MWsGraphicsContext.

@see MWsGraphicsContext

@see MWsDrawableSourceProvider

@see CDirectGdiContext;

@internalComponent

@prototype

*/

class CDirectGdiGcWrapper : public CBase, public MWsGraphicsContext, public MWsFader

	{

public:

	static CDirectGdiGcWrapper* NewL(RDirectGdiImageTarget& aTarget);

	~CDirectGdiGcWrapper();

	inline CDirectGdiContext& DirectGdiGc();

	TInt SetDrawDeviceOffset(TPoint& aOrigin);

public: //from MWsGraphicsContext

	void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap);

	void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect);

	void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask);

	void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, const TPoint& aMaskPos);

	void ResetClippingRegion();

	void Clear();

	void Clear(const TRect& aRect);

	void ResetBrushPattern();

	void ResetFont();

	void DrawArc(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd);

	void DrawPie(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd);

	void DrawBitmap(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap);

	void DrawBitmap(const TRect& aDestRect,	const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect);

	void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask);

	void DrawRoundRect(const TRect& aRect, const TSize& aEllipse);

	void DrawPolyLine(const TArray<TPoint>& aPointList);

	void DrawPolyLineNoEndPoint(const TArray<TPoint>& aPointList);

	void DrawPolygon(const TArray<TPoint>& aPointList, TFillRule aFillRule=EAlternate);

	void DrawEllipse(const TRect& aRect);

	void DrawLine(const TPoint& aStart, const TPoint& aEnd);

	void DrawLineTo(const TPoint& aPoint);

	void DrawLineBy(const TPoint& aVector);

	void DrawRect(const TRect& aRect);

	void DrawText(const TDesC& aText,const TTextParameters* aParam);

	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition);

	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect);

	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipFillRect,TInt aBaselineOffset,TTextAlign aHrz=ELeft,TInt aMargin=0);

	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp);

	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition,TBool aUp);

	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TBool aUp);

	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);

	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TInt aBaselineOffset,TInt aTextWidth,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);

	void MoveTo(const TPoint& aPoint);

	void MoveBy(const TPoint& aVector);

	void Plot(const TPoint& aPoint);

	void Reset();

	void SetBrushColor(const TRgb& aColor);

	void SetBrushOrigin(const TPoint& aOrigin);

	void SetBrushStyle(TBrushStyle aBrushStyle);

	void SetClippingRegion(const TRegion& aRegion);

	void SetDrawMode(TDrawMode aDrawMode);

	void SetOrigin(const TPoint& aPoint = TPoint(0, 0));

	void SetPenColor(const TRgb& aColor);

	void SetPenStyle(TPenStyle aPenStyle);

	void SetPenSize(const TSize& aSize);

	void SetTextShadowColor(const TRgb& aColor);

	void SetCharJustification(TInt aExcessWidth, TInt aNumChars);

	void SetWordJustification(TInt aExcessWidth, TInt aNumGaps);

	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);

	void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);

	void SetBrushPattern(const CFbsBitmap& aBitmap);

	void SetBrushPattern(TInt aFbsBitmapHandle);

	void SetFont(const CFont* aFont);

	void CopyRect(const TPoint& aOffset, const TRect& aRect);

	void UpdateJustification(const TDesC& aText,const TTextParameters* aParam);

	void UpdateJustificationVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp);

	void SetFontNoDuplicate(const CFont* aFont);

	TBool HasBrushPattern() const;

	TBool HasFont() const;

	TRgb BrushColor() const;

	TRgb PenColor() const;

	TRgb TextShadowColor() const;

	// Return current error status of MWsGraphicsContext

	TInt GetError();

	// Getters

	TPoint Origin() const;

	const TRegion& ClippingRegion();

	// Save and retrieve gc settings

	TInt Push();

	void Pop();

public: // MWsFader

	void SetFadingParameters(const TDesC8& aData);

	void FadeArea(const TRegion& aRegion);

	//from MWsObjectProvider

	TAny* ResolveObjectInterface(TUint aTypeId);

private:

	const CArrayFix<TPoint>* DoCreateCArrayL(const TArray<TPoint>& aPointList);

	const CArrayFix<TPoint>* CreateCArray(const TArray<TPoint>& aPointList);

	void SetError(TInt aError);

private:

	CDirectGdiContext* iContext;

	TInt iErrorCode;

	CBufBase* iGcBuf; // used for keeping state when drawing CWsGraphicDrawers

	RRegionBuf<20> iClippingRegion; // Clipping region while doing drawing

	TPoint iOrigin; // Window Origin + User defined gc origin

	//Required by MWsFader implmentation

	TRgb			iFadeColor;

	const TUint16*	iLut;

	};

struct RDirectGdiImageEntry 

	{

	RDirectGdiDrawableSource* iDrawableSource;  

	RSgImage iImage;

	};

//

// CDirectGdiGcWrapper

//

inline CDirectGdiContext& CDirectGdiGcWrapper::DirectGdiGc()

	{return(*iContext);}

#endif //__DIRECTGDIGCWRAPPER_H__