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os/graphics/windowing/windowserver/inc/RemoteGc.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __REMOTEGC_H__

    17 #define __REMOTEGC_H__

    18 

    19 #include <w32std.h>

    20 #include <s32mem.h>

    21 

    22 class CCommandBuffer;

    23 class RWsDrawableSource;

    24 

    25 /**

    26 MCommandBufferObserver should be implemented by classes that want a notification when the commandbuffer has been updated.

    27 @publishedPartner

    28 @released*/

    29 class MCommandBufferObserver

    30     {

    31 public:

    32 	/** 

    33 	CommandBufferUpdated is called when the commandbuffer has been updated.

    34 	

    35 	@param aDrawRect The rect that has been updated.

    36 	@param aBoundingRect The boundingrect of the commands that has been updated.

    37 	*/

    38 	virtual void CommandBufferUpdated(const TRect& aDrawRect, const TRect& aBoundingRect) = 0;

    39 	};

    40 

    41 /** 

    42 Intercepts and logs all draw operations to a window-gc 

    43 @publishedPartner

    44 @released*/

    45 NONSHARABLE_CLASS(CRemoteGc): public CWindowGc

    46 	{

    47 public:

    48 	IMPORT_C static CRemoteGc* NewL(CWsScreenDevice* aDevice);

    49 	IMPORT_C ~CRemoteGc();	

    50 	IMPORT_C void SetCommandBufferObserver(MCommandBufferObserver* aCommandBufferObserver);		

    51 	IMPORT_C void ResetCommandBuffer();

    52 	IMPORT_C void ExternalizeL(RWsGraphicMsgBuf& aMsgBuf, TBool aEntireBuffer);

    53 	IMPORT_C void BeginDraw(const TRect& aRect);

    54 	IMPORT_C void EndDraw();

    55 

    56 public: // inherited methods		

    57 	

    58 	// CWindowGc

    59 	void Activate(RDrawableWindow &aDevice);

    60 	void Deactivate();	

    61 	void BitBlt(const TPoint &aPoint, const CWsBitmap *aBitmap);

    62 	void BitBlt(const TPoint &aDestination, const CWsBitmap *aBitmap, const TRect &aSource);

    63 	void BitBltMasked(const TPoint& aPoint, const CWsBitmap *aBitmap, const TRect& aSourceRect, const CWsBitmap *aMaskBitmap, TBool aInvertMask);

    64 	

    65 	// CBitmapContext

    66 	void Clear();

    67 	void Clear(const TRect &aRect);

    68 	void CopyRect(const TPoint &anOffset, const TRect &aRect);

    69 	void BitBlt(const TPoint &aPoint, const CFbsBitmap *aBitmap);

    70 	void BitBlt(const TPoint &aDestination, const CFbsBitmap *aBitmap, const TRect &aSource);

    71 	void BitBltMasked(const TPoint& aPoint, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);

    72 	void SetFaded(TBool aFaded);

    73 	void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);

    74 	TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt);

    75 	TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp, const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt);	

    76 	

    77 	// CGraphicsContext

    78 	void SetOrigin(const TPoint &aPoint);

    79 	void SetDrawMode(TDrawMode aDrawingMode);

    80 	void SetClippingRect(const TRect& aRect);

    81 	void CancelClippingRect();

    82 	void Reset();

    83 	void UseFont(const CFont *aFont);

    84 	void DiscardFont();

    85 	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);

    86 	void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);

    87 	void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);

    88 	void SetCharJustification(TInt aExcessWidth,TInt aNumChars);

    89 	void SetPenColor(const TRgb &aColor);

    90 	void SetPenStyle(TPenStyle aPenStyle);

    91 	void SetPenSize(const TSize& aSize);

    92 	void SetBrushColor(const TRgb &aColor);

    93 	void SetBrushStyle(TBrushStyle aBrushStyle);

    94 	void SetBrushOrigin(const TPoint &aOrigin);

    95 	void UseBrushPattern(const CFbsBitmap *aDevice);

    96 	void DiscardBrushPattern();

    97 	void MoveTo(const TPoint &aPoint);

    98 	void MoveBy(const TPoint &aPoint);

    99 	void Plot(const TPoint &aPoint);

   100 	void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);

   101 	void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2);

   102 	void DrawLineTo(const TPoint &aPoint);

   103 	void DrawLineBy(const TPoint &aPoint);

   104 	void DrawPolyLine(const CArrayFix<TPoint> *aPointList);

   105 	void DrawPolyLine(const TPoint* aPointList, TInt aNumPoints);

   106 	void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);

   107 	void DrawEllipse(const TRect &aRect);

   108 	void DrawRect(const TRect &aRect);

   109 	void DrawRoundRect(const TRect &aRect,const TSize &aEllipse);

   110 	TInt DrawPolygon(const CArrayFix<TPoint> *aPointList, TFillRule aFillRule);

   111 	TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints, TFillRule aFillRule);

   112 	void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aDevice);

   113 	void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice);

   114 	void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice, const TRect &aSourceRect);

   115 	void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);

   116 	void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask);

   117 	

   118 	// Required as not all DrawText and DrawTextVertical functions are implemented in CRemoteGc

   119 	using CWindowGc::DrawText;

   120 	using CWindowGc::DrawTextVertical;

   121 	

   122 	void DrawText(const TDesC &aBuf,const TPoint &aPos);

   123 	void DrawText(const TDesC &aBuf,const TRect &aBox,TInt aBaselineOffset, TTextAlign aHoriz, TInt aLeftMrg);

   124 	void DrawText(const TDesC& aText,const TPoint& aPosition,const TDrawTextParam& aParam);

   125 	void MapColors(const TRect& aRect,const TRgb* aColors, TInt aNumPairs, TBool aMapForwards);

   126 	TInt SetClippingRegion(const TRegion &aRegion);

   127 	void CancelClippingRegion();	

   128 	void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp);

   129 	void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert,TInt aMargin);

   130 	void DrawWsGraphic(const TWsGraphicId& aId,const TRect& aDestRect);

   131 	void DrawWsGraphic(const TWsGraphicId& aId,const TRect& aDestRect,const TDesC8& aData);

   132 	void SetDitherOrigin(const TPoint& aPoint);

   133 	void SetOpaque(TBool aDrawOpaque=ETrue);	

   134 protected:	

   135 	TInt APIExtension(TUid aUid, TAny*& aOutput, TAny* aInput);

   136 private:

   137 	CRemoteGc(CWsScreenDevice* aDevice);

   138 	void ConstructL();

   139 	TInt APIExGetUnderlineMetrics(TAny*& aOutput);

   140 	TInt APIExSetShadowColor(TAny* aShadowColor);

   141 	TInt APIExGetShadowColor(TAny*& aOutput);

   142 	// New DrawText API's that take in context

   143 	TInt APIExDrawText(const TDesC &aBuf,const TTextParameters* aParam,const TPoint &aPos);

   144 	TInt APIExDrawText(const TDesC &aBuf,const TTextParameters* aParam,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0);

   145 

   146 	TInt APIExDrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPos,TBool aUp);

   147 	TInt APIExDrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);

   148 	TInt APIExInterface(TAny*& aInterface, TUid aInterfaceId);

   149 

   150 	void DrawResource(const TPoint& aPos, const RWsDrawableSource& aSource, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);

   151 	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);

   152 	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, const TRect& aSrcRect, CWindowGc::TGraphicsRotation aRotation=CWindowGc::EGraphicsRotationNone);

   153 	void DrawResource(const TRect& aDestRect, const RWsDrawableSource& aSource, const TDesC8& aParam);

   154 

   155 private:

   156 	TRect iDrawRect;

   157 	TRect iBoundingRect;

   158 	TBool iHasBitmapCommand;

   159 	CCommandBuffer* iCommandBuffer;	

   160 	MCommandBufferObserver* iCommandBufferObserver;

   161 #ifdef SYMBIAN_GRAPHICS_GCE

   162 	CFbsFont *iFont;

   163 	TRgb iShadowColor;

   164 	class CPimpl;

   165 	friend class CPimpl;

   166 	CPimpl* iRemoteGcPimpl;

   167 #endif	

   168 	};

   169 	

   170 #endif	// __REMOTEGC_H__
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