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os/graphics/windowing/windowserverplugins/openwfc/inc/directgdigcwrapper.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) 2008-2009 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 __DIRECTGDIGCWRAPPER_H__

    17 #define __DIRECTGDIGCWRAPPER_H__

    18 

    19 #include <graphics/wsgraphicscontext.h>

    20 #include <graphics/directgdiimagetarget.h>

    21 #include <graphics/directgdicontext.h>

    22 #include <graphics/wsdrawablesourceprovider.h>

    23 #include <graphics/sgimage.h>

    24 #include <graphics/wscursor.h>

    25 

    26 

    27 /* 

    28  * Required by MWsFader implementation

    29  */

    30 struct TFadingParams

    31     {

    32     TUint8 blackMap;

    33     TUint8 whiteMap;

    34     };

    35 

    36 /**

    37 The purpose of this class is to wrap a @c CDirectGdiContext whenever an

    38 @c MWsGraphicsContext is needed.

    39 

    40 The methods doesn't do anything other than calling the corresponding method

    41 in @c MWsGraphicsContext.

    42 

    43 @see MWsGraphicsContext

    44 @see MWsDrawableSourceProvider

    45 @see CDirectGdiContext;

    46 

    47 @internalComponent

    48 */

    49 class CDirectGdiGcWrapper : public CBase, public MWsGraphicsContext, public MWsFader, public MWsDrawableSourceProvider, public MWsTextCursor

    50 	{

    51 public:

    52 	static CDirectGdiGcWrapper* NewL();

    53 	~CDirectGdiGcWrapper();

    54 	inline CDirectGdiContext& DirectGdiGc();

    55 

    56 public: //from MWsGraphicsContext

    57 	void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap);

    58 	void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect);

    59 	void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask);

    60 	void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, const TPoint& aMaskPos);

    61 	void ResetClippingRegion();

    62 	void Clear();

    63 	void Clear(const TRect& aRect);

    64 	void ResetBrushPattern();

    65 	void ResetFont();

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

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

    68 	void DrawBitmap(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap);

    69 	void DrawBitmap(const TRect& aDestRect,	const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect);

    70 	void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask);

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

    72 	void DrawPolyLine(const TArray<TPoint>& aPointList);

    73 	void DrawPolyLineNoEndPoint(const TArray<TPoint>& aPointList);

    74 	void DrawPolygon(const TArray<TPoint>& aPointList, TFillRule aFillRule=EAlternate);

    75 	void DrawEllipse(const TRect& aRect);

    76 	void DrawLine(const TPoint& aStart, const TPoint& aEnd);

    77 	void DrawLineTo(const TPoint& aPoint);

    78 	void DrawLineBy(const TPoint& aVector);

    79 	void DrawRect(const TRect& aRect);

    80 	void DrawText(const TDesC& aText,const TTextParameters* aParam);

    81 	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition);

    82 	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect);

    83 	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipFillRect,TInt aBaselineOffset,TTextAlign aHrz=ELeft,TInt aMargin=0);

    84 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp);

    85 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition,TBool aUp);

    86 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TBool aUp);

    87 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);

    88 	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TInt aBaselineOffset,TInt aTextWidth,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);

    89 	void MoveTo(const TPoint& aPoint);

    90 	void MoveBy(const TPoint& aVector);

    91 	void Plot(const TPoint& aPoint);

    92 	void Reset();

    93 	void SetBrushColor(const TRgb& aColor);

    94 	void SetBrushOrigin(const TPoint& aOrigin);

    95 	void SetBrushStyle(TBrushStyle aBrushStyle);

    96 	void SetClippingRegion(const TRegion& aRegion);

    97 	void SetDrawMode(TDrawMode aDrawMode);

    98 	void SetOrigin(const TPoint& aPoint = TPoint(0, 0));

    99 	void SetPenColor(const TRgb& aColor);

   100 	void SetPenStyle(TPenStyle aPenStyle);

   101 	void SetPenSize(const TSize& aSize);

   102 	void SetTextShadowColor(const TRgb& aColor);

   103 	void SetCharJustification(TInt aExcessWidth, TInt aNumChars);

   104 	void SetWordJustification(TInt aExcessWidth, TInt aNumGaps);

   105 	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);

   106 	void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);

   107 	void SetBrushPattern(const CFbsBitmap& aBitmap);

   108 	void SetBrushPattern(TInt aFbsBitmapHandle);

   109 	void SetFont(const CFont* aFont);

   110 	void CopyRect(const TPoint& aOffset, const TRect& aRect);

   111 	void UpdateJustification(const TDesC& aText,const TTextParameters* aParam);

   112 	void UpdateJustificationVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp);

   113 	void SetFontNoDuplicate(const CFont* aFont);

   114 	TBool HasBrushPattern() const;

   115 	TBool HasFont() const;

   116 	TRgb BrushColor() const;

   117 	TRgb PenColor() const;

   118 	TRgb TextShadowColor() const;

   119 	

   120 	// Return current error status of MWsGraphicsContext

   121 	TInt GetError();

   122 	// Getters

   123 	TPoint Origin() const;

   124 	const TRegion& ClippingRegion();

   125 	// Save and retrieve gc settings

   126 	TInt Push();

   127 	void Pop();

   128 

   129 public: // MWsFader

   130 	void SetFadingParameters(const TDesC8& aData);

   131 	void FadeArea(const TRegion& aRegion);

   132 

   133 	//from MWsObjectProvider

   134 	TAny* ResolveObjectInterface(TUint aTypeId);

   135 

   136 	//from MWsDrawableSourceProvider

   137 	TInt CreateDrawableSource(const TSgDrawableId& aDrawableId, TAny*& aSource);

   138 	void CloseDrawableSource(TAny* aSource);

   139 	void DrawResource(const TAny* aSource, const TPoint& aPos, CWindowGc::TGraphicsRotation aRotation = CWindowGc::EGraphicsRotationNone);

   140 	void DrawResource(const TAny* aSource, const TRect& aRect, CWindowGc::TGraphicsRotation aRotation = CWindowGc::EGraphicsRotationNone);

   141 	void DrawResource(const TAny* aSource, const TRect& aRectDest, const TRect& aRectSrc, CWindowGc::TGraphicsRotation aRotation = CWindowGc::EGraphicsRotationNone);

   142 	void DrawResource(const TAny* aSource, const TRect& aRect, const TDesC8& aParam);

   143 

   144 public: // from MWsTextCursor

   145 	void DrawTextCursor(const TTextCursorInfo& aTextCursorInfo);	

   146 	

   147 private:

   148 	void SetError(TInt aError);

   149 	

   150 private:

   151 	CDirectGdiContext* iContext;

   152 	TInt iErrorCode;

   153 	CBufBase* iGcBuf; // used for keeping state when drawing CWsGraphicDrawers

   154 	RRegionBuf<20> iClippingRegion; // Clipping region while doing drawing

   155 	TPoint iOrigin; // Window Origin + User defined gc origin

   156 	RPointerArray<RDirectGdiDrawableSource> iDrawableSources;

   157 	//Required by MWsFader implmentation

   158 	TRgb			iFadeColor;

   159 	const TUint16*	iLut;

   160 	};

   161 

   162 //

   163 // CDirectGdiGcWrapper

   164 //

   165 

   166 inline CDirectGdiContext& CDirectGdiGcWrapper::DirectGdiGc()

   167 	{return(*iContext);}

   168 

   169 

   170 

   171 #endif //__DIRECTGDIGCWRAPPER_H__
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