meetingrequest/mrgui/mrfieldbuildercommon/inc/cmrrecordinggc.h
branchRCL_3
changeset 22 d620048b4810
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/mrfieldbuildercommon/inc/cmrrecordinggc.h	Thu Jul 15 18:19:25 2010 +0300
@@ -0,0 +1,211 @@
+/*
+* Copyright (c) 2010 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:  Recording graphics context used to cache drawing commands.
+*
+*/
+
+
+#include <w32std.h>
+#include <gdi.h>
+
+class CFbsBitmap;
+class CFbsBitGc;
+class CFbsBitmapDevice;
+
+NONSHARABLE_CLASS( CMRRecordingGc ) : public CWindowGc
+    {
+public:
+
+    CMRRecordingGc( CWindowGc& aRealGc );
+	~CMRRecordingGc();
+		
+public:
+    
+	/**
+	 * Flush recorded drawing commands from buffer to the real
+	 * graphics context.
+	 * 
+	 * @param aRect Target rectangle to draw
+	 */
+	void FlushBuffer( const TRect& aRect );
+	
+	/**
+	 * Delete recorded drawing commands
+	 */
+    void PurgeBuffer();
+    
+public: // From CGraphicsContext
+    
+    void SetOrigin(const TPoint &aPoint=TPoint(0,0));
+    
+protected:
+    
+    // From CWindowGc
+    	
+	void Activate( RDrawableWindow &aDevice );
+	void Deactivate();
+
+	// From CGraphicsContext
+	CGraphicsDevice* Device() const;
+	void SetDrawMode(TDrawMode aDrawingMode);
+	void SetClippingRect(const TRect& aRect);
+	void CancelClippingRect();
+	void Reset();
+
+	void UseFont(const CFont *aFont);
+	void DiscardFont();
+	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
+	void SetStrikethroughStyle( TFontStrikethrough aStrikethroughStyle );
+	
+	void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);
+	void SetCharJustification(TInt aExcessWidth,TInt aNumChars);
+
+	void SetPenColor(const TRgb &aColor);
+	void SetPenStyle(TPenStyle aPenStyle);
+	void SetPenSize(const TSize& aSize);
+
+	void SetBrushColor(const TRgb &aColor);
+	void SetBrushStyle(TBrushStyle aBrushStyle);
+	void SetBrushOrigin(const TPoint &aOrigin);
+	void UseBrushPattern(const CFbsBitmap *aDevice);
+	void DiscardBrushPattern();
+
+	void MoveTo(const TPoint &aPoint);
+	void MoveBy(const TPoint &aPoint);
+	void Plot(const TPoint &aPoint);
+
+	void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
+	void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2);
+	void DrawLineTo(const TPoint &aPoint);
+	void DrawLineBy( const TPoint& aPoint );
+	
+	void DrawPolyLine(const CArrayFix<TPoint> *aPointList);
+	void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints);
+
+	void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
+	void DrawEllipse(const TRect &aRect);
+	void DrawRect(const TRect &aRect);
+	void DrawRoundRect(const TRect &aRect,const TSize &aEllipse);
+	TInt DrawPolygon(const CArrayFix<TPoint> *aPointList,TFillRule aFillRule=EAlternate);
+	TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule=EAlternate);
+
+	void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aDevice);
+	void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice);
+	void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice, const TRect &aSourceRect);
+	void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);
+	void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask);
+
+	void DrawText(const TDesC &aBuf,const TPoint &aPos);
+	void DrawText(const TDesC &aBuf,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0);
+
+	// From CBitmapContext
+	void Clear();
+	void Clear(const TRect &aRect);
+	void CopyRect(const TPoint &anOffset,const TRect &aRect);
+	void BitBlt(const TPoint &aPos, const CFbsBitmap *aBitmap);
+	void BitBlt(const TPoint &aDestination, const CFbsBitmap *aBitmap, const TRect &aSource);
+	void BitBltMasked(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask);
+	void BitBlt(const TPoint &aPoint, const CWsBitmap *aBitmap);
+	void BitBlt(const TPoint &aDestination, const CWsBitmap *aBitmap, const TRect &aSource);
+	void BitBltMasked(const TPoint& aPoint,const CWsBitmap *aBitmap,const TRect& aSourceRect,const CWsBitmap *aMaskBitmap,TBool aInvertMask);
+	void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs=2,TBool aMapForwards=ETrue);
+
+	void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp);
+	void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
+
+	//=================Extra functions specific to wserv GDI==============
+	void SetDitherOrigin(const TPoint& aPoint);
+	TInt SetClippingRegion(const TRegion &aRegion);
+	void CancelClippingRegion();
+	void SetOpaque(TBool aDrawOpaque=ETrue);
+
+	// From CFbsBitGc
+	void SetFaded(TBool aFaded);
+	void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);
+	TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
+	TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp, const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
+	
+	TAny* Interface( TUid aInterfaceId );
+    const TAny* Interface( TUid aInterfaceId ) const;
+    
+protected:  
+    TInt APIExtension( TUid aUid, TAny*& aOutput, TAny* aInput );
+    
+private:
+    
+    /**
+     * Buffer item to store drawing command and parameters
+     */
+    NONSHARABLE_CLASS( CBufferItem ) : public CBase
+        {
+        public:
+        enum TCommandType
+            {
+            EShortText,
+            ELongText,
+            ESetPenColor,
+            EBitBlt1,
+            EBitBlt2,
+            EBitBltMasked1,
+            EUseFont,
+            EDiscardFont,
+            ESetDrawMode,
+            ESetClippingRect,
+            ECancelClippingRect,
+            ESetBrushColor,
+            ESetBrushStyle,
+            EDrawRect,
+            EClear,
+            EDrawLine,
+            ESetUnderlineStyle,
+            ESetStrikethroughStyle
+            };
+        
+        public:
+            ~CBufferItem();
+            
+            /**
+             * Translated commaned with given point
+             */
+            void Translate( const TPoint& aPoint );
+            
+            TInt iType;
+            HBufC* iText;
+            TPoint iPosition;
+            TRect iBox;
+            TInt iBaseLineOffset;
+            //TTextAlign iHorizontal;
+            TInt iLeftMargin;
+            TRgb iColor;
+            const CFbsBitmap* iBitmap;
+            const CFbsBitmap* iMask;
+            TRect iSource;
+            TBool iInvertMask;
+            const CFont* iFont;
+            //TDrawMode iDrawMode;
+            //TBrushStyle iBrushStyle;
+            TRect iRect;
+            TInt iValue;
+        };
+        
+    CBufferItem* BufferItem();
+        
+    /// Ref: Real window GC for actual drawing
+    CWindowGc& iRealGc;
+    /// Own: Array of recorded drawing commands
+    RPointerArray<CBufferItem> iItems;
+    /// Own: Recording origin relative to real context
+    TPoint iOrigin;
+    };
+