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: // CPlaybackGc and associated classes definitions
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __PLAYBACKGC_H__
sl@0: #define __PLAYBACKGC_H__
sl@0: 
sl@0: #include "wnredraw.h"
sl@0: #include "cliwin.h"
sl@0: 
sl@0: class CWsFbsFont;
sl@0: class MWsGraphicsContext;
sl@0: 
sl@0: class CPlaybackGc : public CBase, public MWsGc, public MWsSurfacePlacement
sl@0: 	{
sl@0: public:
sl@0: 	static void InitStaticsL();
sl@0: 	static void DeleteStatics();
sl@0: 	static CPlaybackGc * Instance() { return iSelf; }
sl@0: public:
sl@0: 	void ConstructL();
sl@0: 	void Activate(CWsClientWindow * aWin, MWsGraphicsContext * aGc, const TRegion * aRegion);
sl@0: 	void CommandL(TWsGcOpcodes aOpcode, const TDesC8& aCmdData);
sl@0: 	void Deactivate();
sl@0: 	inline CFbsBitGc *Gdi() const;
sl@0: 	void BitGcChanged(CFbsBitGc *aGc);
sl@0: 	void Resized();
sl@0: 	void SetOrigin(const TPoint &aOrigin);
sl@0: 	void InternalizeL(const CBufBase& aBuffer,TInt& aStartPos);
sl@0: 	void InternalizeClippingRegionL(RReadStream& aReadStream);
sl@0: 	TInt FbsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle);
sl@0: 	TInt WsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle);
sl@0: 	// implementing MWsGc
sl@0: 	MWsClient& Client();
sl@0: 	MWsScreen& Screen();
sl@0: 	const TTime& Now() const;
sl@0: 	void ScheduleAnimation(const TRect& aRect,const TTimeIntervalMicroSeconds& aFromNow);
sl@0: 	void ScheduleAnimation(const TRect& aRect,const TTimeIntervalMicroSeconds& aFromNow,const TTimeIntervalMicroSeconds& aFreq,const TTimeIntervalMicroSeconds& aStop);
sl@0: 	void SetGcOrigin(const TPoint& aOrigin);
sl@0: 	
sl@0: 	void SetTargetRegion(const TRegion* aRegion);
sl@0: 	void Reset();
sl@0: 	TInt	GcDrawingCount();
sl@0: 
sl@0: public: // implementing MWsObjectProvider
sl@0: 	TAny * ResolveObjectInterface(TUint aId);
sl@0: 
sl@0:   /** 
sl@0:   * @deprecated
sl@0:   */
sl@0: 	TInt   PlaceSurface(const TSurfaceConfiguration& aConfig); 
sl@0: 	
sl@0: private:
sl@0: 	CPlaybackGc();
sl@0: 	~CPlaybackGc();
sl@0: 	void DoDrawing(TWsGcOpcodes aOpcode, const TDesC8& aCmdData);
sl@0: 	void CancelUserClippingRegion();
sl@0: 	void SetFadingParams(CWsClientWindow* aWin);
sl@0: 	void RemoteReadDataAndDrawL(const CWsGraphicDrawer* aGraphic, CWsClient* aOwner, const TWsGcCmdUnion &aData);
sl@0: 	void DoDrawCommand(TWsGcOpcodes aOpcode, const TDesC8& aCmdData, const TRegion *aRegion);
sl@0: 	void SetClippingRect(const TRect &aRect);
sl@0: 	void DoDrawPolygon(const TWsGcCmdDrawPolygon *aDrawPolygon);
sl@0: 	void DoDrawPolyLine(const TWsGcCmdDrawPolyLine *aDrawPolyLine, TBool aContinued);
sl@0: 	void sendGdiMessage(TInt opcode,TAny *params);
sl@0: 	void GcOwnerPanic(TClientPanic aPanic);
sl@0: 	void ResetClippingRect();
sl@0: 	void EndSegmentedPolygon();
sl@0: 	void StartSegmentedDrawPolygonL(const TWsGcCmdStartSegmentedDrawPolygon *aDrawPolygon);
sl@0: 	void SegmentedDrawPolygonData(const TWsGcCmdSegmentedDrawPolygonData *aDrawPolygon);
sl@0: 	void UpdateJustification(TText* aText, TInt aLen, const TDesC8& aCmdData, CGraphicsContext::TTextParameters* aParam);
sl@0: #if defined(_DEBUG)
sl@0: 	inline TBool IsPolyPointData() {return(iPolyPointListSize>0 || iPolyPoints!=NULL);}
sl@0: #endif
sl@0: 	void InternalizeAlphaValueL(RReadStream& aReadStream);
sl@0: 	void ChangeDevice();
sl@0: 	void CheckPolyData(const TAny* aDataPtr, TInt aHeaderSize, TInt aNumPoints);
sl@0: 	TPtrC BufferTPtr(TText* aStart, TInt aLen, const TDesC8& aCmdData);
sl@0: 	void	GcDrawingDone();
sl@0: 	void DoDrawResource(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &aData);
sl@0: 	void SendOriginIfRequired();
sl@0: 	void SendClippingRegionIfRequired(const TRegion* aRegion);
sl@0: // Data
sl@0: private:
sl@0: 	static CPlaybackGc * iSelf;
sl@0: 	CWsClientWindow *iWin;
sl@0: 	TPoint iMasterOrigin;     // Origin available to wserv.  Usually the window origin.
sl@0: 	MWsGraphicsContext * iGc;
sl@0: 	CWsFbsFont * iFont;
sl@0: 	const TRegion *iTargetRegion;          //Clipping region set by wserv window management.
sl@0: 	RWsRegion* iUserDefinedClippingRegion; //Clipping region that is set explicitly by the user.
sl@0: 	const TRegion *iDrawRegion;            //Pointer to one of the above regions
sl@0: 	TRect iClippingRect;	// All drawing clipped to this rectangle in addition to other clipping
sl@0: 	TBool iClippingRectSet;	// ETrue if the iClippingRect is in use
sl@0: 	RRegion iIntersectedRegion; // iDrawRegion clipped to iClippingRect, or just iDrawRegion if no user clipping rect active
sl@0: 	TPoint iOrigin;			// User defined origin, relative to the top left of the window
sl@0: 	TPoint iLinePos;		// Current line position for LineBy, LineTo etc
sl@0: 	TPoint *iPolyPoints;
sl@0: 	TInt iPolyPointListSize;
sl@0: 	// members used for keeping state when drawing CWsGraphicDrawers
sl@0: 	CBufBase* iGcBuf;
sl@0: 	const TRegion* iCurrentClippingRegion; // Clipping region while doing DoDrawCommand
sl@0: 	TInt	iGcDrawingCounter;				// Flags that some drawing has occurred between readings
sl@0: 
sl@0: 	TBool iSendOrigin; // MWsGraphicsContext::SetOrigin must be called at next opportunity
sl@0:     TPoint iLastSentOrigin; // last origin value sent to render stage
sl@0: 	};
sl@0: 
sl@0: #endif // __PLAYBACKGC_H__