uifw/EikStd/dlginc/aknrecordinggc.h
changeset 0 2f259fa3e83a
child 4 8ca85d2f0db7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/dlginc/aknrecordinggc.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,211 @@
+/*
+* Copyright (c) 2009 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>
+
+class CFbsBitmap;
+class CFbsBitGc;
+class CFbsBitmapDevice;
+
+NONSHARABLE_CLASS( CAknRecordingGc ) : public CWindowGc
+    {
+public:
+//	CWindowGc(CWsScreenDevice *aDevice);
+	CAknRecordingGc(CWindowGc *aRealGc);
+	virtual ~CAknRecordingGc();
+	void ConstructL(  const TSize& aSize );
+	virtual void Activate(RDrawableWindow &aDevice);
+	virtual void Deactivate();
+//====================FROM CGraphicsContext.H===============================
+	virtual CGraphicsDevice* Device() const;
+	virtual void SetOrigin(const TPoint &aPoint=TPoint(0,0));
+	virtual void SetDrawMode(TDrawMode aDrawingMode);
+	virtual void SetClippingRect(const TRect& aRect);
+	virtual void CancelClippingRect();
+	virtual void Reset();
+
+	virtual void UseFont(const CFont *aFont);
+	virtual void DiscardFont();
+	virtual void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
+	virtual void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);
+// Used to do justified text properly
+	virtual void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);
+// Used primarily to get accurate WYSIWYG
+	virtual void SetCharJustification(TInt aExcessWidth,TInt aNumChars);
+
+	virtual void SetPenColor(const TRgb &aColor);
+	virtual void SetPenStyle(TPenStyle aPenStyle);
+	virtual void SetPenSize(const TSize& aSize);
+
+	virtual void SetBrushColor(const TRgb &aColor);
+	virtual void SetBrushStyle(TBrushStyle aBrushStyle);
+	virtual void SetBrushOrigin(const TPoint &aOrigin);
+	virtual void UseBrushPattern(const CFbsBitmap *aDevice);
+	virtual void DiscardBrushPattern();
+//
+// Move the internal position, as used by DrawLineTo & DrawLineBy, and set by MoveTo,
+// MoveBy, DrawLine, DrawLineTo, DrawLineBy and DrawPolyline
+	virtual void MoveTo(const TPoint &aPoint);
+	virtual void MoveBy(const TPoint &aPoint);
+	virtual void Plot(const TPoint &aPoint);
+//
+//  Line drawing subject to pen color, width and style and draw mode
+	virtual void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
+	virtual void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2);
+	virtual void DrawLineTo(const TPoint &aPoint);
+	virtual void DrawLineBy(const TPoint &aPoint);
+	virtual void DrawPolyLine(const CArrayFix<TPoint> *aPointList);
+	virtual void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints);
+//
+// Filled outlines
+// Outlines subject to pen color, width and style and draw mode
+// (set pen to ENullPen for no outline)
+// Fill subject to brush style (color, hash or pattern) and origin and
+// drawing mode (set brush to ENullBrush for no fill)
+	virtual void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
+	virtual void DrawEllipse(const TRect &aRect);
+	virtual void DrawRect(const TRect &aRect);
+	virtual void DrawRoundRect(const TRect &aRect,const TSize &aEllipse);
+	virtual TInt DrawPolygon(const CArrayFix<TPoint> *aPointList,TFillRule aFillRule=EAlternate);
+	virtual TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule=EAlternate);
+//
+// Uses the bitmap's Twips size and does a "stretch" blit in general
+	virtual void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aDevice);
+	virtual void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice);
+	virtual void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice, const TRect &aSourceRect);
+	virtual void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);
+	virtual void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask);
+//
+// Text drawing subject to drawing mode
+// Subject to used font, pen color, drawing mode,
+// word and char justification
+	virtual void DrawText(const TDesC &aBuf,const TPoint &aPos);
+//
+// Subject to same as above plus brush for background
+// (set brush to ENullBrush for no effect on background)
+	virtual void DrawText(const TDesC &aBuf,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0);
+//================Extra functions from CBitmapContext==============
+	virtual void Clear();
+	virtual void Clear(const TRect &aRect);
+	virtual void CopyRect(const TPoint &anOffset,const TRect &aRect);
+	virtual void BitBlt(const TPoint &aPos, const CFbsBitmap *aBitmap);
+	virtual void BitBlt(const TPoint &aDestination, const CFbsBitmap *aBitmap, const TRect &aSource);
+	virtual void BitBltMasked(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask);
+	virtual void BitBlt(const TPoint &aPoint, const CWsBitmap *aBitmap);
+	virtual void BitBlt(const TPoint &aDestination, const CWsBitmap *aBitmap, const TRect &aSource);
+	virtual void BitBltMasked(const TPoint& aPoint,const CWsBitmap *aBitmap,const TRect& aSourceRect,const CWsBitmap *aMaskBitmap,TBool aInvertMask);
+	virtual void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs=2,TBool aMapForwards=ETrue);
+
+	virtual void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp);
+	virtual void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
+//=================Extra functions specific to wserv GDI==============
+	virtual void SetDitherOrigin(const TPoint& aPoint);
+	virtual TInt SetClippingRegion(const TRegion &aRegion);
+	virtual void CancelClippingRegion();
+	virtual void SetOpaque(TBool aDrawOpaque=ETrue);
+//=================Functions also supplied by CFbsBitGc==============
+	virtual void SetFaded(TBool aFaded);
+	virtual void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);
+	virtual TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
+	virtual TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp, const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
+	
+	virtual TAny* Interface( TUid aInterfaceId );
+    virtual const TAny* Interface( TUid aInterfaceId ) const;
+    
+protected:  
+    virtual TInt APIExtension( TUid aUid, TAny*& aOutput, TAny* aInput );
+    
+public:
+	void FlushBuffer( const TRect& aRect, TInt aLineToSkip );
+	void PurgeBuffer();
+	void PrepareForNewLineL( const TRect& aRect );
+	void ReplaceLineL( TInt aLine );
+	void InsertLineL( TInt aLine, const TRect& aRect );
+	void InsertLineL( TInt aLine );
+	void AppendLineL();
+	void PurgeLine( TInt aLine );
+	void SetLineRect( TInt aLine, const TRect& aRect );
+	void DeleteLine( TInt aLine );
+	
+	void UseBitGc( TBool aUseBitGc );
+	
+private:
+    NONSHARABLE_CLASS( CBufferItem ) : public CBase
+        {
+        public:
+        enum TCommandType
+            {
+            EShortText,
+            ELongText,
+            ESetPenColor,
+            EBitBlt1,
+            EBitBlt2,
+            EBitBltMasked1,
+            EUseFont,
+            EDiscardFont,
+            ESetDrawMode,
+            ESetClippingRect,
+            ECancelClippingRect,
+            ESetBrushColor,
+            ESetBrushStyle,
+            EDrawRect,
+            EClear
+            };
+        
+        public:
+            ~CBufferItem();
+            
+            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;
+        };
+        
+    NONSHARABLE_CLASS( CLineData ) : public CBase
+        {
+        public:
+            ~CLineData();
+            TRect iRect;
+            RPointerArray<CBufferItem> iItems;
+            
+        };
+    
+    CBufferItem* BufferItem();
+        
+    CWindowGc* iRealGc;
+    RPointerArray<CLineData> iLines;
+    CFont* iFont;
+    CFbsBitmap* iOffScreenBmp;
+    CFbsBitGc* iBitGc;
+    CFbsBitmapDevice* iBitmapDevice;
+    TInt iCurrentLine;
+    TBool iUseBitGc;
+    };
+