1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/openwfc/playbackgc.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,121 @@
1.4 +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// CPlaybackGc and associated classes definitions
1.18 +//
1.19 +//
1.20 +
1.21 +#ifndef __PLAYBACKGC_H__
1.22 +#define __PLAYBACKGC_H__
1.23 +
1.24 +#include "wnredraw.h"
1.25 +#include "cliwin.h"
1.26 +
1.27 +class CWsFbsFont;
1.28 +class MWsGraphicsContext;
1.29 +
1.30 +class CPlaybackGc : public CBase, public MWsGc, public MWsSurfacePlacement
1.31 + {
1.32 +public:
1.33 + static void InitStaticsL();
1.34 + static void DeleteStatics();
1.35 + static CPlaybackGc * Instance() { return iSelf; }
1.36 +public:
1.37 + void ConstructL();
1.38 + void Activate(CWsClientWindow * aWin, MWsGraphicsContext * aGc, const TRegion * aRegion);
1.39 + void CommandL(TWsGcOpcodes aOpcode, const TDesC8& aCmdData);
1.40 + void Deactivate();
1.41 + inline CFbsBitGc *Gdi() const;
1.42 + void BitGcChanged(CFbsBitGc *aGc);
1.43 + void Resized();
1.44 + void SetOrigin(const TPoint &aOrigin);
1.45 + void InternalizeL(const CBufBase& aBuffer,TInt& aStartPos);
1.46 + void InternalizeClippingRegionL(RReadStream& aReadStream);
1.47 + TInt FbsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle);
1.48 + TInt WsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle);
1.49 + // implementing MWsGc
1.50 + MWsClient& Client();
1.51 + MWsScreen& Screen();
1.52 + const TTime& Now() const;
1.53 + void ScheduleAnimation(const TRect& aRect,const TTimeIntervalMicroSeconds& aFromNow);
1.54 + void ScheduleAnimation(const TRect& aRect,const TTimeIntervalMicroSeconds& aFromNow,const TTimeIntervalMicroSeconds& aFreq,const TTimeIntervalMicroSeconds& aStop);
1.55 + void SetGcOrigin(const TPoint& aOrigin);
1.56 +
1.57 + void SetTargetRegion(const TRegion* aRegion);
1.58 + void Reset();
1.59 + TInt GcDrawingCount();
1.60 +
1.61 +public: // implementing MWsObjectProvider
1.62 + TAny * ResolveObjectInterface(TUint aId);
1.63 +
1.64 + /**
1.65 + * @deprecated
1.66 + */
1.67 + TInt PlaceSurface(const TSurfaceConfiguration& aConfig);
1.68 +
1.69 +private:
1.70 + CPlaybackGc();
1.71 + ~CPlaybackGc();
1.72 + void DoDrawing(TWsGcOpcodes aOpcode, const TDesC8& aCmdData);
1.73 + void CancelUserClippingRegion();
1.74 + void SetFadingParams(CWsClientWindow* aWin);
1.75 + void RemoteReadDataAndDrawL(const CWsGraphicDrawer* aGraphic, CWsClient* aOwner, const TWsGcCmdUnion &aData);
1.76 + void DoDrawCommand(TWsGcOpcodes aOpcode, const TDesC8& aCmdData, const TRegion *aRegion);
1.77 + void SetClippingRect(const TRect &aRect);
1.78 + void DoDrawPolygon(const TWsGcCmdDrawPolygon *aDrawPolygon);
1.79 + void DoDrawPolyLine(const TWsGcCmdDrawPolyLine *aDrawPolyLine, TBool aContinued);
1.80 + void sendGdiMessage(TInt opcode,TAny *params);
1.81 + void GcOwnerPanic(TClientPanic aPanic);
1.82 + void ResetClippingRect();
1.83 + void EndSegmentedPolygon();
1.84 + void StartSegmentedDrawPolygonL(const TWsGcCmdStartSegmentedDrawPolygon *aDrawPolygon);
1.85 + void SegmentedDrawPolygonData(const TWsGcCmdSegmentedDrawPolygonData *aDrawPolygon);
1.86 + void UpdateJustification(TText* aText, TInt aLen, const TDesC8& aCmdData, CGraphicsContext::TTextParameters* aParam);
1.87 +#if defined(_DEBUG)
1.88 + inline TBool IsPolyPointData() {return(iPolyPointListSize>0 || iPolyPoints!=NULL);}
1.89 +#endif
1.90 + void InternalizeAlphaValueL(RReadStream& aReadStream);
1.91 + void ChangeDevice();
1.92 + void CheckPolyData(const TAny* aDataPtr, TInt aHeaderSize, TInt aNumPoints);
1.93 + TPtrC BufferTPtr(TText* aStart, TInt aLen, const TDesC8& aCmdData);
1.94 + void GcDrawingDone();
1.95 + void DoDrawResource(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &aData);
1.96 + void SendOriginIfRequired();
1.97 + void SendClippingRegionIfRequired(const TRegion* aRegion);
1.98 +// Data
1.99 +private:
1.100 + static CPlaybackGc * iSelf;
1.101 + CWsClientWindow *iWin;
1.102 + TPoint iMasterOrigin; // Origin available to wserv. Usually the window origin.
1.103 + MWsGraphicsContext * iGc;
1.104 + CWsFbsFont * iFont;
1.105 + const TRegion *iTargetRegion; //Clipping region set by wserv window management.
1.106 + RWsRegion* iUserDefinedClippingRegion; //Clipping region that is set explicitly by the user.
1.107 + const TRegion *iDrawRegion; //Pointer to one of the above regions
1.108 + TRect iClippingRect; // All drawing clipped to this rectangle in addition to other clipping
1.109 + TBool iClippingRectSet; // ETrue if the iClippingRect is in use
1.110 + RRegion iIntersectedRegion; // iDrawRegion clipped to iClippingRect, or just iDrawRegion if no user clipping rect active
1.111 + TPoint iOrigin; // User defined origin, relative to the top left of the window
1.112 + TPoint iLinePos; // Current line position for LineBy, LineTo etc
1.113 + TPoint *iPolyPoints;
1.114 + TInt iPolyPointListSize;
1.115 + // members used for keeping state when drawing CWsGraphicDrawers
1.116 + CBufBase* iGcBuf;
1.117 + const TRegion* iCurrentClippingRegion; // Clipping region while doing DoDrawCommand
1.118 + TInt iGcDrawingCounter; // Flags that some drawing has occurred between readings
1.119 +
1.120 + TBool iSendOrigin; // MWsGraphicsContext::SetOrigin must be called at next opportunity
1.121 + TPoint iLastSentOrigin; // last origin value sent to render stage
1.122 + };
1.123 +
1.124 +#endif // __PLAYBACKGC_H__