sl@0: // Copyright (c) 2006-2009 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 __REMOTEGC_H__
sl@0: #define __REMOTEGC_H__
sl@0: 
sl@0: #include <w32std.h>
sl@0: #include <s32mem.h>
sl@0: 
sl@0: class CCommandBuffer;
sl@0: class RWsDrawableSource;
sl@0: 
sl@0: /**
sl@0: MCommandBufferObserver should be implemented by classes that want a notification when the commandbuffer has been updated.
sl@0: @publishedPartner
sl@0: @released*/
sl@0: class MCommandBufferObserver
sl@0:     {
sl@0: public:
sl@0: 	/** 
sl@0: 	CommandBufferUpdated is called when the commandbuffer has been updated.
sl@0: 	
sl@0: 	@param aDrawRect The rect that has been updated.
sl@0: 	@param aBoundingRect The boundingrect of the commands that has been updated.
sl@0: 	*/
sl@0: 	virtual void CommandBufferUpdated(const TRect& aDrawRect, const TRect& aBoundingRect) = 0;
sl@0: 	};
sl@0: 
sl@0: /** 
sl@0: Intercepts and logs all draw operations to a window-gc 
sl@0: @publishedPartner
sl@0: @released*/
sl@0: NONSHARABLE_CLASS(CRemoteGc): public CWindowGc
sl@0: 	{
sl@0: public:
sl@0: 	IMPORT_C static CRemoteGc* NewL(CWsScreenDevice* aDevice);
sl@0: 	IMPORT_C ~CRemoteGc();	
sl@0: 	IMPORT_C void SetCommandBufferObserver(MCommandBufferObserver* aCommandBufferObserver);		
sl@0: 	IMPORT_C void ResetCommandBuffer();
sl@0: 	IMPORT_C void ExternalizeL(RWsGraphicMsgBuf& aMsgBuf, TBool aEntireBuffer);
sl@0: 	IMPORT_C void BeginDraw(const TRect& aRect);
sl@0: 	IMPORT_C void EndDraw();
sl@0: 
sl@0: public: // inherited methods		
sl@0: 	
sl@0: 	// CWindowGc
sl@0: 	void Activate(RDrawableWindow &aDevice);
sl@0: 	void Deactivate();	
sl@0: 	void BitBlt(const TPoint &aPoint, const CWsBitmap *aBitmap);
sl@0: 	void BitBlt(const TPoint &aDestination, const CWsBitmap *aBitmap, const TRect &aSource);
sl@0: 	void BitBltMasked(const TPoint& aPoint, const CWsBitmap *aBitmap, const TRect& aSourceRect, const CWsBitmap *aMaskBitmap, TBool aInvertMask);
sl@0: 	
sl@0: 	// CBitmapContext
sl@0: 	void Clear();
sl@0: 	void Clear(const TRect &aRect);
sl@0: 	void CopyRect(const TPoint &anOffset, const TRect &aRect);
sl@0: 	void BitBlt(const TPoint &aPoint, const CFbsBitmap *aBitmap);
sl@0: 	void BitBlt(const TPoint &aDestination, const CFbsBitmap *aBitmap, const TRect &aSource);
sl@0: 	void BitBltMasked(const TPoint& aPoint, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);
sl@0: 	void SetFaded(TBool aFaded);
sl@0: 	void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);
sl@0: 	TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
sl@0: 	TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp, const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt);	
sl@0: 	
sl@0: 	// CGraphicsContext
sl@0: 	void SetOrigin(const TPoint &aPoint);
sl@0: 	void SetDrawMode(TDrawMode aDrawingMode);
sl@0: 	void SetClippingRect(const TRect& aRect);
sl@0: 	void CancelClippingRect();
sl@0: 	void Reset();
sl@0: 	void UseFont(const CFont *aFont);
sl@0: 	void DiscardFont();
sl@0: 	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
sl@0: 	void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);
sl@0: 	void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);
sl@0: 	void SetCharJustification(TInt aExcessWidth,TInt aNumChars);
sl@0: 	void SetPenColor(const TRgb &aColor);
sl@0: 	void SetPenStyle(TPenStyle aPenStyle);
sl@0: 	void SetPenSize(const TSize& aSize);
sl@0: 	void SetBrushColor(const TRgb &aColor);
sl@0: 	void SetBrushStyle(TBrushStyle aBrushStyle);
sl@0: 	void SetBrushOrigin(const TPoint &aOrigin);
sl@0: 	void UseBrushPattern(const CFbsBitmap *aDevice);
sl@0: 	void DiscardBrushPattern();
sl@0: 	void MoveTo(const TPoint &aPoint);
sl@0: 	void MoveBy(const TPoint &aPoint);
sl@0: 	void Plot(const TPoint &aPoint);
sl@0: 	void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
sl@0: 	void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2);
sl@0: 	void DrawLineTo(const TPoint &aPoint);
sl@0: 	void DrawLineBy(const TPoint &aPoint);
sl@0: 	void DrawPolyLine(const CArrayFix<TPoint> *aPointList);
sl@0: 	void DrawPolyLine(const TPoint* aPointList, TInt aNumPoints);
sl@0: 	void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
sl@0: 	void DrawEllipse(const TRect &aRect);
sl@0: 	void DrawRect(const TRect &aRect);
sl@0: 	void DrawRoundRect(const TRect &aRect,const TSize &aEllipse);
sl@0: 	TInt DrawPolygon(const CArrayFix<TPoint> *aPointList, TFillRule aFillRule);
sl@0: 	TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints, TFillRule aFillRule);
sl@0: 	void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aDevice);
sl@0: 	void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice);
sl@0: 	void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice, const TRect &aSourceRect);
sl@0: 	void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);
sl@0: 	void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask);
sl@0: 	
sl@0: 	// Required as not all DrawText and DrawTextVertical functions are implemented in CRemoteGc
sl@0: 	using CWindowGc::DrawText;
sl@0: 	using CWindowGc::DrawTextVertical;
sl@0: 	
sl@0: 	void DrawText(const TDesC &aBuf,const TPoint &aPos);
sl@0: 	void DrawText(const TDesC &aBuf,const TRect &aBox,TInt aBaselineOffset, TTextAlign aHoriz, TInt aLeftMrg);
sl@0: 	void DrawText(const TDesC& aText,const TPoint& aPosition,const TDrawTextParam& aParam);
sl@0: 	void MapColors(const TRect& aRect,const TRgb* aColors, TInt aNumPairs, TBool aMapForwards);
sl@0: 	TInt SetClippingRegion(const TRegion &aRegion);
sl@0: 	void CancelClippingRegion();	
sl@0: 	void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp);
sl@0: 	void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert,TInt aMargin);
sl@0: 	void DrawWsGraphic(const TWsGraphicId& aId,const TRect& aDestRect);
sl@0: 	void DrawWsGraphic(const TWsGraphicId& aId,const TRect& aDestRect,const TDesC8& aData);
sl@0: 	void SetDitherOrigin(const TPoint& aPoint);
sl@0: 	void SetOpaque(TBool aDrawOpaque=ETrue);	
sl@0: protected:	
sl@0: 	TInt APIExtension(TUid aUid, TAny*& aOutput, TAny* aInput);
sl@0: private:
sl@0: 	CRemoteGc(CWsScreenDevice* aDevice);
sl@0: 	void ConstructL();
sl@0: 	TInt APIExGetUnderlineMetrics(TAny*& aOutput);
sl@0: 	TInt APIExSetShadowColor(TAny* aShadowColor);
sl@0: 	TInt APIExGetShadowColor(TAny*& aOutput);
sl@0: 	// New DrawText API's that take in context
sl@0: 	TInt APIExDrawText(const TDesC &aBuf,const TTextParameters* aParam,const TPoint &aPos);
sl@0: 	TInt APIExDrawText(const TDesC &aBuf,const TTextParameters* aParam,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0);
sl@0: 
sl@0: 	TInt APIExDrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPos,TBool aUp);
sl@0: 	TInt APIExDrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
sl@0: 	TInt APIExInterface(TAny*& aInterface, TUid aInterfaceId);
sl@0: 
sl@0: 	void DrawResource(const TPoint& aPos, const RWsDrawableSource& aSource, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);
sl@0: 	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);
sl@0: 	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, const TRect& aSrcRect, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);
sl@0: 	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, const TDesC8& aParam);
sl@0: 
sl@0: private:
sl@0: 	TRect iDrawRect;
sl@0: 	TRect iBoundingRect;
sl@0: 	TBool iHasBitmapCommand;
sl@0: 	CCommandBuffer* iCommandBuffer;	
sl@0: 	MCommandBufferObserver* iCommandBufferObserver;
sl@0: #ifdef SYMBIAN_GRAPHICS_GCE
sl@0: 	CFbsFont *iFont;
sl@0: 	TRgb iShadowColor;
sl@0: 	class CPimpl;
sl@0: 	friend class CPimpl;
sl@0: 	CPimpl* iRemoteGcPimpl;
sl@0: #endif	
sl@0: 	};
sl@0: 	
sl@0: #endif	// __REMOTEGC_H__