--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/nga/SERVER/gc.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,106 @@
+// 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:
+// CWsGc and associated classes definitions
+// 
+//
+
+#ifndef __GC_H__
+#define __GC_H__
+
+#include "wnredraw.h"
+#include "cliwin.h"
+#include "graphicscontextstate.h"
+
+class CWsFbsFont;
+
+class CWsGc : public CWsObject
+	{
+	enum {ETextPtrBufLen=0x100};	// Buffer of TText, used on stack
+// Functions
+public:
+	static CWsGc* NewL(CWsClient *aOwner);
+	~CWsGc();
+	static void InitStaticsL();
+	static void DeleteStatics();
+	void CommandL(TInt aOpcode, const TAny *aCmdData);
+	void Deactivate();
+	inline void SetNextWinGc(CWsGc *aGc);
+	inline CWsGc *NextWinGc() const;
+	TInt ExternalizeL(CBufBase& aBuffer, TInt aStartPos);
+	TInt ExternalizeClippingRegionL(RWriteStream& aWriteStreem);
+	TInt FbsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle);
+	TInt WsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle);
+	TInt WsDrawableSourceHandle(TInt aOpcode, const TWsGcCmdUnion &aData);
+	void Reactivate();
+private:
+	CWsGc(CWsClient *aOwner);
+	void ConstructL();
+	void Activate(CWsClientWindow *win);
+	void DoDrawing2(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData);
+	void SetGcAttribute(TInt aOpcode, TWsGcCmdUnion pData);
+	void SetOrigin(const TPoint &aOrigin);
+
+	void DoDrawing0L(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData);
+	void DoDrawing1(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData);
+	void Activate(const TInt &aHandle);
+	void DoDrawCommand(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData);
+	void SetClippingRegionL(TInt aCountRegion);
+	void SetClippingRect(const TRect &aRect);
+	void CancelClippingRegion();
+	void DoDrawPolygon(const TWsGcCmdDrawPolygon *aDrawPolygon);
+	void DoDrawPolyLine(const TWsGcCmdDrawPolyLine *aDrawPolyLine, TBool aContinued);
+	void GcOwnerPanic(TClientPanic aPanic);
+	void ResetClippingRect();
+	void EndSegmentedPolygon();
+	void StartSegmentedDrawPolygonL(const TWsGcCmdStartSegmentedDrawPolygon* aDrawPolygon);
+	void SegmentedDrawPolygonData(const TWsGcCmdSegmentedDrawPolygonData* aDrawPolygon);
+	void UpdateJustification(TText* aText,TInt aLen);
+	void UpdateJustification(TText* aText,TInt aLen,CGraphicsContext::TTextParameters* aParam);
+#if defined(_DEBUG)
+	inline TBool IsPolyPointData() {return(iPolyPointListSize>0 || iPolyPoints!=NULL);}
+#endif
+	void ExternalizeAlphaValueL(RWriteStream& aWriteStream);
+	TPtrC BufferTPtr(TText* aStart,TInt aLen);
+	void CheckPolyData(const TAny* aDataPtr, TInt aHeaderSize, TInt aNumPoints);
+// Data
+private:
+	CFbsBitGc *iBackedUpWinGc;
+	CWsClientWindow *iWin;
+	CWsGc *iNextWinGc;
+	CWsFbsFont *iFont;
+	RWsRegion* iUserDefinedClippingRegion; //Clipping region that is set explicitly by the user.
+	TRect iClippingRect;	// All drawing clipped to this rectangle in addition to other clipping
+	TBool iClippingRectSet;	// ETrue if the iClippingRect is in use
+	TPoint iOrigin;			// User defined origin, relative to the top left of the window
+	TPoint iLinePos;		// Current line position for LineBy, LineTo etc
+	TPoint *iPolyPoints;
+	TInt iPolyPointListSize;
+	//member used for storing graphics context data for Internalize/Externalize
+	TInternalGcStatus iInternalStatus;
+	// static variables
+	static CFbsBitmap *iScratchBitmap;
+	static CFbsBitmap *iScratchMaskBitmap;
+	};
+
+inline void CWsGc::SetNextWinGc(CWsGc *aGc)
+	{
+	iNextWinGc=aGc;
+	}
+
+inline CWsGc *CWsGc::NextWinGc() const
+	{
+	return(iNextWinGc);
+	}
+
+#endif