windowing/windowserver/inc/RemoteGc.h
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/inc/RemoteGc.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,170 @@
+// Copyright (c) 2006-2009 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 __REMOTEGC_H__
+#define __REMOTEGC_H__
+
+#include <w32std.h>
+#include <s32mem.h>
+
+class CCommandBuffer;
+class RWsDrawableSource;
+
+/**
+MCommandBufferObserver should be implemented by classes that want a notification when the commandbuffer has been updated.
+@publishedPartner
+@released*/
+class MCommandBufferObserver
+    {
+public:
+	/** 
+	CommandBufferUpdated is called when the commandbuffer has been updated.
+	
+	@param aDrawRect The rect that has been updated.
+	@param aBoundingRect The boundingrect of the commands that has been updated.
+	*/
+	virtual void CommandBufferUpdated(const TRect& aDrawRect, const TRect& aBoundingRect) = 0;
+	};
+
+/** 
+Intercepts and logs all draw operations to a window-gc 
+@publishedPartner
+@released*/
+NONSHARABLE_CLASS(CRemoteGc): public CWindowGc
+	{
+public:
+	IMPORT_C static CRemoteGc* NewL(CWsScreenDevice* aDevice);
+	IMPORT_C ~CRemoteGc();	
+	IMPORT_C void SetCommandBufferObserver(MCommandBufferObserver* aCommandBufferObserver);		
+	IMPORT_C void ResetCommandBuffer();
+	IMPORT_C void ExternalizeL(RWsGraphicMsgBuf& aMsgBuf, TBool aEntireBuffer);
+	IMPORT_C void BeginDraw(const TRect& aRect);
+	IMPORT_C void EndDraw();
+
+public: // inherited methods		
+	
+	// CWindowGc
+	void Activate(RDrawableWindow &aDevice);
+	void Deactivate();	
+	void BitBlt(const TPoint &aPoint, const CWsBitmap *aBitmap);
+	void BitBlt(const TPoint &aDestination, const CWsBitmap *aBitmap, const TRect &aSource);
+	void BitBltMasked(const TPoint& aPoint, const CWsBitmap *aBitmap, const TRect& aSourceRect, const CWsBitmap *aMaskBitmap, TBool aInvertMask);
+	
+	// CBitmapContext
+	void Clear();
+	void Clear(const TRect &aRect);
+	void CopyRect(const TPoint &anOffset, const TRect &aRect);
+	void BitBlt(const TPoint &aPoint, const CFbsBitmap *aBitmap);
+	void BitBlt(const TPoint &aDestination, const CFbsBitmap *aBitmap, const TRect &aSource);
+	void BitBltMasked(const TPoint& aPoint, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);
+	void SetFaded(TBool aFaded);
+	void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);
+	TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
+	TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp, const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt);	
+	
+	// CGraphicsContext
+	void SetOrigin(const TPoint &aPoint);
+	void SetDrawMode(TDrawMode aDrawingMode);
+	void SetClippingRect(const TRect& aRect);
+	void CancelClippingRect();
+	void Reset();
+	void UseFont(const CFont *aFont);
+	void DiscardFont();
+	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
+	void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);
+	void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);
+	void SetCharJustification(TInt aExcessWidth,TInt aNumChars);
+	void SetPenColor(const TRgb &aColor);
+	void SetPenStyle(TPenStyle aPenStyle);
+	void SetPenSize(const TSize& aSize);
+	void SetBrushColor(const TRgb &aColor);
+	void SetBrushStyle(TBrushStyle aBrushStyle);
+	void SetBrushOrigin(const TPoint &aOrigin);
+	void UseBrushPattern(const CFbsBitmap *aDevice);
+	void DiscardBrushPattern();
+	void MoveTo(const TPoint &aPoint);
+	void MoveBy(const TPoint &aPoint);
+	void Plot(const TPoint &aPoint);
+	void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
+	void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2);
+	void DrawLineTo(const TPoint &aPoint);
+	void DrawLineBy(const TPoint &aPoint);
+	void DrawPolyLine(const CArrayFix<TPoint> *aPointList);
+	void DrawPolyLine(const TPoint* aPointList, TInt aNumPoints);
+	void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
+	void DrawEllipse(const TRect &aRect);
+	void DrawRect(const TRect &aRect);
+	void DrawRoundRect(const TRect &aRect,const TSize &aEllipse);
+	TInt DrawPolygon(const CArrayFix<TPoint> *aPointList, TFillRule aFillRule);
+	TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints, TFillRule aFillRule);
+	void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aDevice);
+	void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice);
+	void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice, const TRect &aSourceRect);
+	void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);
+	void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask);
+	
+	// Required as not all DrawText and DrawTextVertical functions are implemented in CRemoteGc
+	using CWindowGc::DrawText;
+	using CWindowGc::DrawTextVertical;
+	
+	void DrawText(const TDesC &aBuf,const TPoint &aPos);
+	void DrawText(const TDesC &aBuf,const TRect &aBox,TInt aBaselineOffset, TTextAlign aHoriz, TInt aLeftMrg);
+	void DrawText(const TDesC& aText,const TPoint& aPosition,const TDrawTextParam& aParam);
+	void MapColors(const TRect& aRect,const TRgb* aColors, TInt aNumPairs, TBool aMapForwards);
+	TInt SetClippingRegion(const TRegion &aRegion);
+	void CancelClippingRegion();	
+	void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp);
+	void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert,TInt aMargin);
+	void DrawWsGraphic(const TWsGraphicId& aId,const TRect& aDestRect);
+	void DrawWsGraphic(const TWsGraphicId& aId,const TRect& aDestRect,const TDesC8& aData);
+	void SetDitherOrigin(const TPoint& aPoint);
+	void SetOpaque(TBool aDrawOpaque=ETrue);	
+protected:	
+	TInt APIExtension(TUid aUid, TAny*& aOutput, TAny* aInput);
+private:
+	CRemoteGc(CWsScreenDevice* aDevice);
+	void ConstructL();
+	TInt APIExGetUnderlineMetrics(TAny*& aOutput);
+	TInt APIExSetShadowColor(TAny* aShadowColor);
+	TInt APIExGetShadowColor(TAny*& aOutput);
+	// New DrawText API's that take in context
+	TInt APIExDrawText(const TDesC &aBuf,const TTextParameters* aParam,const TPoint &aPos);
+	TInt APIExDrawText(const TDesC &aBuf,const TTextParameters* aParam,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0);
+
+	TInt APIExDrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPos,TBool aUp);
+	TInt APIExDrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
+	TInt APIExInterface(TAny*& aInterface, TUid aInterfaceId);
+
+	void DrawResource(const TPoint& aPos, const RWsDrawableSource& aSource, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);
+	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);
+	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, const TRect& aSrcRect, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);
+	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, const TDesC8& aParam);
+
+private:
+	TRect iDrawRect;
+	TRect iBoundingRect;
+	TBool iHasBitmapCommand;
+	CCommandBuffer* iCommandBuffer;	
+	MCommandBufferObserver* iCommandBufferObserver;
+#ifdef SYMBIAN_GRAPHICS_GCE
+	CFbsFont *iFont;
+	TRgb iShadowColor;
+	class CPimpl;
+	friend class CPimpl;
+	CPimpl* iRemoteGcPimpl;
+#endif	
+	};
+	
+#endif	// __REMOTEGC_H__