sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __DIRECTGDIGCWRAPPER_H__
sl@0: #define __DIRECTGDIGCWRAPPER_H__
sl@0: 
sl@0: #include <graphics/wsgraphicscontext.h>
sl@0: #include <graphics/directgdiimagetarget.h>
sl@0: #include <graphics/directgdicontext.h>
sl@0: #include <graphics/wsdrawablesourceprovider.h>
sl@0: #include <graphics/sgimage.h>
sl@0: 
sl@0: 
sl@0: /* 
sl@0:  * Required by MWsFader implementation
sl@0:  */
sl@0: struct TFadingParams
sl@0:     {
sl@0:     TUint8 blackMap;
sl@0:     TUint8 whiteMap;
sl@0:     };
sl@0: 
sl@0: /**
sl@0: The purpose of this class is to wrap a @c CDirectGdiContext whenever an
sl@0: @c MWsGraphicsContext is needed.
sl@0: 
sl@0: The methods doesn't do anything other than calling the corresponding method
sl@0: in @c MWsGraphicsContext.
sl@0: 
sl@0: @see MWsGraphicsContext
sl@0: @see MWsDrawableSourceProvider
sl@0: @see CDirectGdiContext;
sl@0: 
sl@0: @internalComponent
sl@0: @prototype
sl@0: */
sl@0: class CDirectGdiGcWrapper : public CBase, public MWsGraphicsContext, public MWsFader
sl@0: 	{
sl@0: public:
sl@0: 	static CDirectGdiGcWrapper* NewL(RDirectGdiImageTarget& aTarget);
sl@0: 	~CDirectGdiGcWrapper();
sl@0: 	inline CDirectGdiContext& DirectGdiGc();
sl@0: 	TInt SetDrawDeviceOffset(TPoint& aOrigin);
sl@0: 	
sl@0: public: //from MWsGraphicsContext
sl@0: 	void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap);
sl@0: 	void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect);
sl@0: 	void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask);
sl@0: 	void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, const TPoint& aMaskPos);
sl@0: 	void ResetClippingRegion();
sl@0: 	void Clear();
sl@0: 	void Clear(const TRect& aRect);
sl@0: 	void ResetBrushPattern();
sl@0: 	void ResetFont();
sl@0: 	void DrawArc(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd);
sl@0: 	void DrawPie(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd);
sl@0: 	void DrawBitmap(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap);
sl@0: 	void DrawBitmap(const TRect& aDestRect,	const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect);
sl@0: 	void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask);
sl@0: 	void DrawRoundRect(const TRect& aRect, const TSize& aEllipse);
sl@0: 	void DrawPolyLine(const TArray<TPoint>& aPointList);
sl@0: 	void DrawPolyLineNoEndPoint(const TArray<TPoint>& aPointList);
sl@0: 	void DrawPolygon(const TArray<TPoint>& aPointList, TFillRule aFillRule=EAlternate);
sl@0: 	void DrawEllipse(const TRect& aRect);
sl@0: 	void DrawLine(const TPoint& aStart, const TPoint& aEnd);
sl@0: 	void DrawLineTo(const TPoint& aPoint);
sl@0: 	void DrawLineBy(const TPoint& aVector);
sl@0: 	void DrawRect(const TRect& aRect);
sl@0: 	void DrawText(const TDesC& aText,const TTextParameters* aParam);
sl@0: 	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition);
sl@0: 	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect);
sl@0: 	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipFillRect,TInt aBaselineOffset,TTextAlign aHrz=ELeft,TInt aMargin=0);
sl@0: 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp);
sl@0: 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition,TBool aUp);
sl@0: 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TBool aUp);
sl@0: 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
sl@0: 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TInt aBaselineOffset,TInt aTextWidth,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
sl@0: 	void MoveTo(const TPoint& aPoint);
sl@0: 	void MoveBy(const TPoint& aVector);
sl@0: 	void Plot(const TPoint& aPoint);
sl@0: 	void Reset();
sl@0: 	void SetBrushColor(const TRgb& aColor);
sl@0: 	void SetBrushOrigin(const TPoint& aOrigin);
sl@0: 	void SetBrushStyle(TBrushStyle aBrushStyle);
sl@0: 	void SetClippingRegion(const TRegion& aRegion);
sl@0: 	void SetDrawMode(TDrawMode aDrawMode);
sl@0: 	void SetOrigin(const TPoint& aPoint = TPoint(0, 0));
sl@0: 	void SetPenColor(const TRgb& aColor);
sl@0: 	void SetPenStyle(TPenStyle aPenStyle);
sl@0: 	void SetPenSize(const TSize& aSize);
sl@0: 	void SetTextShadowColor(const TRgb& aColor);
sl@0: 	void SetCharJustification(TInt aExcessWidth, TInt aNumChars);
sl@0: 	void SetWordJustification(TInt aExcessWidth, TInt aNumGaps);
sl@0: 	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
sl@0: 	void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);
sl@0: 	void SetBrushPattern(const CFbsBitmap& aBitmap);
sl@0: 	void SetBrushPattern(TInt aFbsBitmapHandle);
sl@0: 	void SetFont(const CFont* aFont);
sl@0: 	void CopyRect(const TPoint& aOffset, const TRect& aRect);
sl@0: 	void UpdateJustification(const TDesC& aText,const TTextParameters* aParam);
sl@0: 	void UpdateJustificationVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp);
sl@0: 	void SetFontNoDuplicate(const CFont* aFont);
sl@0: 	TBool HasBrushPattern() const;
sl@0: 	TBool HasFont() const;
sl@0: 	TRgb BrushColor() const;
sl@0: 	TRgb PenColor() const;
sl@0: 	TRgb TextShadowColor() const;
sl@0: 	
sl@0: 	// Return current error status of MWsGraphicsContext
sl@0: 	TInt GetError();
sl@0: 	// Getters
sl@0: 	TPoint Origin() const;
sl@0: 	const TRegion& ClippingRegion();
sl@0: 	// Save and retrieve gc settings
sl@0: 	TInt Push();
sl@0: 	void Pop();
sl@0: 
sl@0: public: // MWsFader
sl@0: 	void SetFadingParameters(const TDesC8& aData);
sl@0: 	void FadeArea(const TRegion& aRegion);
sl@0: 
sl@0: 	//from MWsObjectProvider
sl@0: 	TAny* ResolveObjectInterface(TUint aTypeId);
sl@0: 
sl@0: private:
sl@0: 	const CArrayFix<TPoint>* DoCreateCArrayL(const TArray<TPoint>& aPointList);
sl@0: 	const CArrayFix<TPoint>* CreateCArray(const TArray<TPoint>& aPointList);
sl@0: 	void SetError(TInt aError);
sl@0: 	
sl@0: private:
sl@0: 	CDirectGdiContext* iContext;
sl@0: 	TInt iErrorCode;
sl@0: 	CBufBase* iGcBuf; // used for keeping state when drawing CWsGraphicDrawers
sl@0: 	RRegionBuf<20> iClippingRegion; // Clipping region while doing drawing
sl@0: 	TPoint iOrigin; // Window Origin + User defined gc origin
sl@0: 	
sl@0: 	//Required by MWsFader implmentation
sl@0: 	TRgb			iFadeColor;
sl@0: 	const TUint16*	iLut;
sl@0: 	};
sl@0: 
sl@0: struct RDirectGdiImageEntry 
sl@0: 	{
sl@0: 	RDirectGdiDrawableSource* iDrawableSource;  
sl@0: 	RSgImage iImage;
sl@0: 	};
sl@0: 
sl@0: //
sl@0: // CDirectGdiGcWrapper
sl@0: //
sl@0: 
sl@0: inline CDirectGdiContext& CDirectGdiGcWrapper::DirectGdiGc()
sl@0: 	{return(*iContext);}
sl@0: 
sl@0: 
sl@0: 
sl@0: #endif //__DIRECTGDIGCWRAPPER_H__