lafagnosticuifoundation/uigraphicsutils/gulinc/gulgcmap.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:00:49 +0200
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// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#if !defined(__GULGCMAP_H__)
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#define __GULGCMAP_H__
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#include <w32std.h>
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class CWindowToBitmapMappingGc : public CWindowGc
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/**
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@publishedPartner
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@released 
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*/
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	{
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public:
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	IMPORT_C static CWindowToBitmapMappingGc* NewL(CWsScreenDevice& aDevice,CFbsBitGc& aFbsBitGc);
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	IMPORT_C virtual ~CWindowToBitmapMappingGc();
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//====================FROM CGraphicsContext.H===============================
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	IMPORT_C virtual CGraphicsDevice* Device() const;
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	IMPORT_C virtual void Activate(RDrawableWindow &aWindow);
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	IMPORT_C virtual void Deactivate();
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	IMPORT_C virtual void SetOrigin(const TPoint &aPos=TPoint(0,0));
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	IMPORT_C virtual void SetDrawMode(TDrawMode aDrawingMode);
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	IMPORT_C virtual void SetClippingRect(const TRect& aRect);
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	IMPORT_C virtual void CancelClippingRect();
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	IMPORT_C virtual void Reset();
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	IMPORT_C virtual void UseFont(const CFont *aFont);
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	IMPORT_C virtual void DiscardFont();
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	IMPORT_C virtual void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
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	IMPORT_C virtual void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);
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// Used to do justified text properly
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	IMPORT_C virtual void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);
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// Used primarily to get accurate WYSIWYG
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	IMPORT_C virtual void SetCharJustification(TInt aExcessWidth,TInt aNumChars);
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	IMPORT_C virtual void SetPenColor(const TRgb &aColor);
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	IMPORT_C virtual void SetPenStyle(TPenStyle aPenStyle);
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	IMPORT_C virtual void SetPenSize(const TSize& aSize);
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	IMPORT_C virtual void SetBrushColor(const TRgb &aColor);
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	IMPORT_C virtual void SetBrushStyle(TBrushStyle aBrushStyle);
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	IMPORT_C virtual void SetBrushOrigin(const TPoint &aOrigin);
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	IMPORT_C virtual void UseBrushPattern(const CFbsBitmap *aBitmap);
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	IMPORT_C virtual void DiscardBrushPattern();
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//
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// Move the internal position, as used by DrawLineTo & DrawLineBy, and set by MoveTo,
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// MoveBy, DrawLine, DrawLineTo, DrawLineBy and DrawPolyline
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	IMPORT_C virtual void MoveTo(const TPoint &aPoint);
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	IMPORT_C virtual void MoveBy(const TPoint &aVector);
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	IMPORT_C virtual void Plot(const TPoint &aPoint);
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//
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//  Line drawing subject to pen color, width and style and draw mode
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	IMPORT_C virtual void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
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	IMPORT_C virtual void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2);
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	IMPORT_C virtual void DrawLineTo(const TPoint &aPoint);
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	IMPORT_C virtual void DrawLineBy(const TPoint &aVector);
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	IMPORT_C virtual void DrawPolyLine(const CArrayFix<TPoint> *aPointList);
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	IMPORT_C virtual void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints);
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//
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// Filled outlines
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// Outlines subject to pen color, width and style and draw mode
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// (set pen to ENullPen for no outline)
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// Fill subject to brush style (color, hash or pattern) and origin and
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// drawing mode (set brush to ENullBrush for no fill)
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	IMPORT_C virtual void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
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	IMPORT_C virtual void DrawEllipse(const TRect &aRect);
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	IMPORT_C virtual void DrawRect(const TRect &aRect);
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	IMPORT_C virtual void DrawRoundRect(const TRect &aRect,const TSize &aEllipse);
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	IMPORT_C virtual TInt DrawPolygon(const CArrayFix<TPoint> *aPointList,TFillRule aFillRule=EAlternate);
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	IMPORT_C virtual TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule=EAlternate);
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//
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// Uses the bitmap's Twips size and does a "stretch" blit in general
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	IMPORT_C virtual void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aSource);
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	IMPORT_C virtual void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aSource);
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	IMPORT_C virtual void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aSource, const TRect &aSourceRect);
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	IMPORT_C virtual void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);
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	IMPORT_C virtual void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask);
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//
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// Text drawing subject to drawing mode
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// Subject to used font, pen color, drawing mode, 
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// word and char justification
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	IMPORT_C virtual void DrawText(const TDesC &aString,const TPoint &aPosition);
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//
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// Subject to same as above plus brush for background
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// (set brush to ENullBrush for no effect on background)
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	IMPORT_C virtual void DrawText(const TDesC &aString,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0);
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//================Extra functions from CBitmapContext==============
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	IMPORT_C virtual void Clear();
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	IMPORT_C virtual void Clear(const TRect &aRect);
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	IMPORT_C virtual void CopyRect(const TPoint &aOffset,const TRect &aRect);
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	IMPORT_C virtual void BitBlt(const TPoint &aPos, const CFbsBitmap *aDevice);
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	IMPORT_C virtual void BitBlt(const TPoint &aPos, const CFbsBitmap *aDevice, const TRect &aRect);
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	IMPORT_C virtual void BitBltMasked(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask);
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	IMPORT_C virtual void BitBlt(const TPoint &aPos, const CWsBitmap *aDevice);
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	IMPORT_C virtual void BitBlt(const TPoint &aPos, const CWsBitmap *aDevice, const TRect &aRect);
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	IMPORT_C virtual void BitBltMasked(const TPoint& aPoint,const CWsBitmap *aBitmap,const TRect& aSourceRect,const CWsBitmap *aMaskBitmap,TBool aInvertMask);
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	IMPORT_C virtual void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs=2,TBool aMapForwards=ETrue);
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	IMPORT_C virtual void DrawTextVertical(const TDesC& aText,const TPoint& aPosition,TBool aUp);
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	IMPORT_C virtual void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
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//=================Extra functions specific to wserv GDI==============
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	IMPORT_C virtual void SetDitherOrigin(const TPoint& aPoint);
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	IMPORT_C virtual TInt SetClippingRegion(const TRegion &aClippingRegion);
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	IMPORT_C virtual void CancelClippingRegion();
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	IMPORT_C virtual void SetOpaque(TBool aDrawOpaque=ETrue);
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//=================Functions also supplied by CFbsBitGc==============
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	IMPORT_C void SetFaded(TBool aFaded);
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	IMPORT_C void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);
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	IMPORT_C TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt);	
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	IMPORT_C TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp,	const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
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//=============================================================
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protected:
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	IMPORT_C CWindowToBitmapMappingGc(CWsScreenDevice& aDevice,CFbsBitGc& aFbsBitGc);
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private:
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	CFbsBitGc& iFbsBitGc;	// not owned by this class
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	};
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#endif