williamr@2: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@4: // under the terms of "Eclipse Public License v1.0"
williamr@2: // which accompanies this distribution, and is available
williamr@4: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: //
williamr@2: 
williamr@2: #ifndef __BITSTD_H__
williamr@2: #define __BITSTD_H__
williamr@2: 
williamr@2: #include <e32std.h>
williamr@2: #include <gdi.h>
williamr@2: #include <fbs.h>
williamr@2: #include <bitbase.h>
williamr@2: 
williamr@4: #ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
williamr@4: #include <bitgdi/bitgcextradata.h>
williamr@4: #endif
williamr@4: 
williamr@2: // For use when testing the code, allows the fast blending to be disabled so back to back comparisons
williamr@2: // can done be to check either timing or exact output.
williamr@2: //#define __ALLOW_FAST_BLEND_DISABLE__
williamr@2: 
williamr@2: /**
williamr@2:  @publishedAll
williamr@2:  @released 
williamr@2: */
williamr@2: class CFbsBitGcFont : public CFbsFont
williamr@2: 	{
williamr@2: public:
williamr@2: 	IMPORT_C CFbsBitGcFont();
williamr@2: 	IMPORT_C virtual ~CFbsBitGcFont();
williamr@2: 	IMPORT_C CBitmapFont* Address() const;
williamr@2: 	IMPORT_C TInt Duplicate(TInt aHandle);
williamr@2: 	IMPORT_C void Reset();
williamr@2: 	IMPORT_C void operator=(const CFbsBitGcFont& aFont);
williamr@2: protected:
williamr@2: 	TBool iCopy;
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2: A bitmap managed by the font and bitmap server.
williamr@2: @publishedAll
williamr@2: @released 
williamr@2: */
williamr@2: class CFbsBitGcBitmap : public CFbsBitmap
williamr@2: 
williamr@2: 	{
williamr@2: public:
williamr@2: 	IMPORT_C CBitwiseBitmap* Address() const;
williamr@2: 	IMPORT_C void LockHeap() const;
williamr@2: 	IMPORT_C void UnlockHeap() const;
williamr@2: 	};
williamr@2: 
williamr@2: /**
williamr@2:  @publishedAll
williamr@2:  @released 
williamr@2: */
williamr@2: class TEllipse
williamr@2: 	{
williamr@2: public:
williamr@2: 	/**	
williamr@2: 	Enumeration for the ellipse production life cycle
williamr@2: 	*/
williamr@2: 	enum TEllipseStatus
williamr@2: 		{
williamr@2: 		/**
williamr@2: 		Ellipse has been initialised but has no area
williamr@2: 		*/
williamr@2: 		EInitialised,
williamr@2: 		/**
williamr@2: 		The ellipse is drawn as two parabolas. These are in two sectors, the top and bottom
williamr@2: 		half of the rectangle. The first sector means the top parabola has been produced.
williamr@2: 		*/
williamr@2: 		EFirstSector,
williamr@2: 		/**
williamr@2: 		The parabola that occupies the bottom half of the rectangle has been produced. 
williamr@2: 		*/
williamr@2: 		ESecondSector,
williamr@2: 		/**
williamr@2: 		The ellipse is complete
williamr@2: 		*/
williamr@2: 		EComplete,
williamr@2: 		/**
williamr@2: 		The ellipse has either a height or width of two units or less
williamr@2: 		and so takes the appearance of a line
williamr@2: 		*/
williamr@2: 		ELine
williamr@2: 		};
williamr@2: public:
williamr@2: 	IMPORT_C void Construct(const TRect& aRect);
williamr@2: 	IMPORT_C TBool SingleStep(TPoint& aTopLeft,TPoint& aTopRight,TPoint& aBottomLeft,TPoint& aBottomRight);
williamr@2: 	IMPORT_C TBool NextStep(TPoint& aTopLeft,TPoint& aTopRight,TPoint& aBottomLeft,TPoint& aBottomRight);
williamr@2: 	IMPORT_C TPoint Intersection(const TRect& aRect,const TPoint& aPoint);
williamr@2: protected:
williamr@2: 	IMPORT_C TBool Output(TPoint& aTopLeft,TPoint& aTopRight,TPoint& aBottomLeft,TPoint& aBottomRight);
williamr@2: protected:
williamr@2: 	TEllipseStatus iStatus;
williamr@2: 	TInt iA;
williamr@2: 	TInt iB;
williamr@2: 	TInt64 iASquared;
williamr@2: 	TInt64 iBSquared;
williamr@2: 	TInt64 iASquBSqu;
williamr@2: 	TInt iX;
williamr@2: 	TInt iY;
williamr@2: 	TInt iXAdj;
williamr@2: 	TInt iYAdj;
williamr@2: 	TPoint iOffset;
williamr@2: 	TInt64 iD1;
williamr@2: 	TInt64 iD2;
williamr@2: 	};
williamr@2: 
williamr@2: /**
williamr@2:  @publishedAll
williamr@2:  @released 
williamr@2: */
williamr@2: class CPolygonFiller : public CBase
williamr@2: 
williamr@2: 	{
williamr@2: public:
williamr@2: 
williamr@2: 	/**
williamr@2: 	Describes how pixels are to be displayed in the polygon. aUsage should be select to
williamr@2: 	one of these values before CPolygonFiller::Construct is used.
williamr@2: 	*/
williamr@2: 	enum TUsage
williamr@2: 		{
williamr@2: 		/**
williamr@2: 		A request for all pixel runs in sequential order
williamr@2: 		*/
williamr@2: 		EGetAllPixelRunsSequentially,
williamr@2: 		/**
williamr@2: 		A request for all pixel runs in sequential order but only for specified lines.
williamr@2: 		*/
williamr@2: 		EGetPixelRunsSequentiallyForSpecifiedScanLines
williamr@2: 		};
williamr@2: public:
williamr@2: 	IMPORT_C CPolygonFiller();
williamr@2: 	IMPORT_C ~CPolygonFiller();
williamr@2: 	IMPORT_C void Construct(const CArrayFix<TPoint>* aPointArray,CGraphicsContext::TFillRule aFillRule,TUsage aUsage=EGetAllPixelRunsSequentially); // N.B. this cannot fail
williamr@2: 	IMPORT_C void Construct(const TPoint* aPointList,TInt aNumPoints, CGraphicsContext::TFillRule aFillRule, TUsage aUsage=EGetAllPixelRunsSequentially); // N.B. this cannot fail
williamr@2: 	IMPORT_C void Reset();
williamr@2: 	IMPORT_C void GetNextPixelRun(TBool& aExists, TInt& aScanLine, TInt& aStart, TInt& aEnd);
williamr@2: 	IMPORT_C void GetNextPixelRunOnSpecifiedScanLine(TBool& aExists, TInt aScanLine, TInt& aStart, TInt& aEnd);
williamr@2: private: // data-types for the fast algorithm
williamr@2: 	struct SFastEdge
williamr@2: 		{
williamr@2: 		TInt upperVertex;
williamr@2: 		TInt lowerVertex;
williamr@2: 		TInt firstVertex;
williamr@2: 		};
williamr@2: 	struct SFastScanLineIntersection;
williamr@2: 	struct SFastActiveEdge
williamr@2: 		{
williamr@2: 		SFastEdge* edgePtr;
williamr@2: 		TLinearDDA lineGenerator;
williamr@2: 		SFastScanLineIntersection* scanLineIntersectionPtr;
williamr@2: 		};
williamr@2: 	struct SFastScanLineIntersection
williamr@2: 		{
williamr@2: 		TInt firstPixel;
williamr@2: 		TInt lastPixel;
williamr@2: 		SFastActiveEdge* activeEdgePtr;
williamr@2: 		};
williamr@2: private: // data-types for the slow algorithm
williamr@2: 	struct SSlowScanLineIntersection
williamr@2: 		{
williamr@2: 		TInt firstPixel;
williamr@2: 		TInt lastPixel;
williamr@2: 		TInt firstVertexOfEdge;
williamr@2: 		};
williamr@2: private: // data-types for both algorithms
williamr@2: 	struct SFastData
williamr@2: 		{
williamr@2: 		TPoint* vertexList;
williamr@2: 		SFastEdge* edgeList;
williamr@2: 		SFastActiveEdge* activeEdgeList;
williamr@2: 		SFastScanLineIntersection* scanLineIntersectionList;
williamr@2: 		TInt numActiveEdges;
williamr@2: 		TInt numScanLineIntersections;
williamr@2: 		TInt nextEdgeToActivate;
williamr@2: 		};
williamr@2: 	struct SSlowData
williamr@2: 		{
williamr@2: 		enum {EStoreSize=8};
williamr@2: 		TLinearDDA lineGenerator;
williamr@2: 		SSlowScanLineIntersection scanLineIntersectionList[EStoreSize];
williamr@2: 		TInt numIntersectionsWithSameFirstPixelPreviouslyMet;
williamr@2: 		TInt numIntersectionsWithSameFirstPixelMetThisTime;
williamr@2: 		TInt numScanLineIntersections;
williamr@2: 		TBool scanLineComplete;
williamr@2: 		TInt firstPixelOfLastIntersectionInPrevBuffer;
williamr@2: 		};
williamr@2: private:
williamr@2: 	void Construct(CGraphicsContext::TFillRule aFillRule,TUsage aUsage);
williamr@2: 	void FastHandleVertexIntersection(TInt& aCurrentActiveEdge, TBool aIsLowerVertex);
williamr@2: 	void SetFastIntersection(SFastActiveEdge& aActiveEdge, SFastScanLineIntersection& aScanLineIntersection);
williamr@2: 	void SlowHandleVertexIntersection(SSlowScanLineIntersection& aScanLineIntersection, TInt& aVertexStartingCurrentEdge,TBool aIsLowerVertex);
williamr@2: 	void JumpToCurrentScanLine(TLinearDDA& aLineGenerator, const TPoint& aUpper, const TPoint& aLower,TPoint& aStartPos, TPoint& aEndPos) const;
williamr@2: 	const TPoint& Point(TInt aIndex);
williamr@2: private:
williamr@2: 	const CArrayFix<TPoint>* iPointArray; // not owned by the class
williamr@2: 	const TPoint* iPointList; // not owned by the class
williamr@2: 	CGraphicsContext::TFillRule iFillRule;
williamr@2: 	TBool iUseFastAlgorithm;
williamr@2: 	TInt iNumVertexes;
williamr@2: 	TBool iToggler; // used by EAlternate fill-rule
williamr@2: 	TInt iNestingLevel; // used by EWinding fill-rule
williamr@2: 	TInt iScanLineIntersection;
williamr@2: 	TInt iRightMostPixelOnScanLine;
williamr@2: 	TInt iFirstVertex;
williamr@2: 	TBool iPolygonIsAllHorizontal;
williamr@2: 	TInt iFirstScanLine;
williamr@2: 	TInt iLastScanLine;
williamr@2: 	TInt iCurrentScanLine;
williamr@2: 	SFastData iFastData;
williamr@2: 	SSlowData iSlowData;
williamr@2: private:
williamr@2: 	friend class TCompareEdgesUpperY;
williamr@2: 	friend class TCompareActiveEdgesFirstVertex;
williamr@2: 	friend class TCompareScanLineIntersectionsFirstPixel;
williamr@2: 	friend class TSwapEdges;
williamr@2: 	friend class TSwapActiveEdges;
williamr@2: 	friend class TSwapScanLineIntersections;
williamr@2: 	};
williamr@2: 
williamr@2: class CFbsDevice;
williamr@4: class CFbsDrawDevice;
williamr@2: class TOpenFontCharMetrics;
williamr@2: class CGraphicsAccelerator;
williamr@2: class CWsBitmap;
williamr@2: class MFastBlend;
williamr@4: class CFbsRasterizer;
williamr@4: class CFbsBitGcExtraData;
williamr@2: 
williamr@2: /** 
williamr@2: Concrete implementation of a bitmapped graphics context.
williamr@2: 
williamr@2: The class provides new functionality, and implementations of the pure virtual 
williamr@2: functions defined in CGraphicsContext and CBitmapContext. 
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: class CFbsBitGc : public CBitmapContext
williamr@2: 	{
williamr@2: public:
williamr@2: 
williamr@2: 
williamr@2: /** Defines possible rotation values. */
williamr@2: 	enum TGraphicsOrientation
williamr@2: 		{
williamr@2: 	/** Normal orientation is supported. */
williamr@2: 		EGraphicsOrientationNormal,
williamr@2: 	/** A 90 degree rotation is supported. */
williamr@2: 		EGraphicsOrientationRotated90,
williamr@2: 	/** A 180 degree rotation is supported. */
williamr@2: 		EGraphicsOrientationRotated180,
williamr@2: 	/** A 270 degree rotation is supported. */
williamr@2: 		EGraphicsOrientationRotated270
williamr@2: 		};
williamr@2: public:
williamr@2: 	IMPORT_C static CFbsBitGc* NewL();
williamr@2: 	IMPORT_C virtual ~CFbsBitGc();
williamr@2: 	IMPORT_C void Activate(CFbsDevice* aDevice);
williamr@2: 	IMPORT_C void ActivateNoJustAutoUpdate(CFbsDevice* aDevice);
williamr@2: 	IMPORT_C void BitBlt(const TPoint& aPoint,const CFbsBitGc& aGc);
williamr@2: 	IMPORT_C void BitBlt(const TPoint& aPoint,const CFbsBitGc& aGc,const TRect& aSourceRect);
williamr@2: 	IMPORT_C void BitBlt(const TPoint& aPoint,const CFbsBitmap* aBitmap);
williamr@2: 	IMPORT_C void BitBlt(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect);
williamr@2: 	IMPORT_C void BitBltMasked(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask);
williamr@2: 	IMPORT_C void CancelClipping();
williamr@2: 	IMPORT_C void CancelClippingRect();
williamr@2: 	IMPORT_C void CancelClippingRegion();
williamr@2: 	IMPORT_C void Clear();
williamr@2: 	IMPORT_C void Clear(const TRect& aRect);
williamr@2: 	IMPORT_C void CopyRect(const TPoint& aOffset,const TRect& aRect);
williamr@2: 	IMPORT_C void CopySettings(const CFbsBitGc& aGc);
williamr@2: 	IMPORT_C CGraphicsDevice* Device() const;
williamr@2: 	IMPORT_C void DiscardBrushPattern();
williamr@2: 	IMPORT_C void DiscardFont();
williamr@2: 	IMPORT_C void DrawArc(const TRect& aRect,const TPoint& aStart,const TPoint& aEnd);
williamr@2: 	IMPORT_C void DrawPie(const TRect& aRect,const TPoint& aStart,const TPoint& aEnd);
williamr@2: 	IMPORT_C void DrawBitmap(const TPoint& aTopLeft,const CFbsBitmap* aSource);
williamr@2: 	IMPORT_C void DrawBitmap(const TRect& aDestRect,const CFbsBitmap* aSource);
williamr@2: 	IMPORT_C void DrawBitmap(const TRect& aDestRect,const CFbsBitmap* aSource,const TRect& aSourceRect);
williamr@2: 	IMPORT_C void DrawBitmapMasked(const TRect& aDestRect,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask);
williamr@2: 	IMPORT_C void DrawBitmapMasked(const TRect& aDestRect,const CWsBitmap* aBitmap,const TRect& aSourceRect,const CWsBitmap* aMaskBitmap,TBool aInvertMask);
williamr@2: 	IMPORT_C void DrawRoundRect(const TRect& aRect,const TSize& aEllipse);
williamr@2: 	IMPORT_C void DrawPolyLine(const CArrayFix<TPoint>* aPointList);
williamr@2: 	IMPORT_C void DrawPolyLineNoEndPoint(const CArrayFix<TPoint>* aPointList);
williamr@2: 	IMPORT_C void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints);
williamr@2: 	IMPORT_C void DrawPolyLineNoEndPoint(const TPoint* aPointList,TInt aNumPoints);
williamr@2: 	IMPORT_C TInt DrawPolygon(const CArrayFix<TPoint>* aPointList,CGraphicsContext::TFillRule aFillRule=CGraphicsContext::EAlternate);
williamr@2: 	IMPORT_C TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,CGraphicsContext::TFillRule aFillRule=CGraphicsContext::EAlternate);
williamr@2: 	IMPORT_C void DrawEllipse(const TRect& aRect);
williamr@2: 	IMPORT_C void DrawLine(const TPoint& aStart,const TPoint& aEnd);
williamr@2: 	IMPORT_C void DrawLineTo(const TPoint& aPoint);
williamr@2: 	IMPORT_C void DrawLineBy(const TPoint& aVector);
williamr@2: 	IMPORT_C void DrawRect(const TRect& aRect);
williamr@2: 	IMPORT_C void DrawText(const TDesC& aText);
williamr@2: 	IMPORT_C void DrawText(const TDesC& aText,const TPoint& aPosition);
williamr@2: 	IMPORT_C void DrawText(const TDesC& aText,const TRect& aBox);
williamr@2: 	IMPORT_C void DrawText(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TTextAlign aHrz=ELeft,TInt aMargin=0);
williamr@2: 	IMPORT_C void DrawText(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TInt aTextWidth,TTextAlign aHrz=ELeft,TInt aMargin=0);
williamr@2: 	IMPORT_C void DrawTextVertical(const TDesC& aText,TBool aUp);
williamr@2: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TPoint& aPosition,TBool aUp);
williamr@2: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TRect& aBox,TBool aUp);
williamr@2: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
williamr@2: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TInt aTextWidth,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
williamr@2: 	IMPORT_C void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs=2,TBool aMapForwards=ETrue);
williamr@2: 	IMPORT_C void MoveTo(const TPoint& aPoint);
williamr@2: 	IMPORT_C void MoveBy(const TPoint& aVector);
williamr@2: 	IMPORT_C void OrientationsAvailable(TBool aOrientation[4]);
williamr@2: 	IMPORT_C void Plot(const TPoint& aPoint);
williamr@2: 	IMPORT_C void RectDrawnTo(TRect& aRect);
williamr@2: 	IMPORT_C void Reset();
williamr@2: 	IMPORT_C void Resized();
williamr@2: 	IMPORT_C void SetBrushColor(const TRgb& aColor);
williamr@2: 	IMPORT_C void SetBrushOrigin(const TPoint& aOrigin);
williamr@2: 	IMPORT_C void SetBrushStyle(TBrushStyle aBrushStyle);
williamr@2: 	IMPORT_C void SetClippingRegion(const TRegion* aRegion);
williamr@2: 	IMPORT_C void SetClippingRect(const TRect& aRect);
williamr@2: 	IMPORT_C void SetDitherOrigin(const TPoint& aPoint);
williamr@2: 	IMPORT_C void SetDrawMode(TDrawMode);
williamr@2: 	IMPORT_C void SetOrigin(const TPoint& aPoint=TPoint(0,0));
williamr@2: 	IMPORT_C void SetPenColor(const TRgb& aColor);
williamr@2: 	IMPORT_C void SetPenStyle(TPenStyle);
williamr@2: 	IMPORT_C void SetPenSize(const TSize& aSize);
williamr@2: 	IMPORT_C void SetCharJustification(TInt aExcessWidth,TInt aNumGaps);
williamr@2: 	IMPORT_C void SetWordJustification(TInt aExcessWidth,TInt aNumChars);
williamr@2: 	IMPORT_C void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
williamr@2: 	IMPORT_C void SetUserDisplayMode(TDisplayMode aDisplayMode);
williamr@2: 	IMPORT_C void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);
williamr@2: 	IMPORT_C void SetShadowMode(TBool aShadowMode = EFalse);
williamr@2: 	inline void SetFadeMode(TBool aFadeMode = EFalse);			//Deprecated
williamr@2: 	inline void SetFadingParameters(TUint8 aBlackMap = 0);		//Deprecated
williamr@2: 	IMPORT_C void SetFaded(TBool aFaded);		//Virtual from CBitmapContext
williamr@2: 	IMPORT_C void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);	//Virtual from CBitmapContext
williamr@2: 	IMPORT_C TBool SetOrientation(TGraphicsOrientation aOrientation);
williamr@2: 	IMPORT_C void ShadowArea(const TRegion* aRegion);
williamr@2: 	IMPORT_C void FadeArea(const TRegion* aRegion);
williamr@2: 	IMPORT_C void UpdateJustification(const TDesC& aText);
williamr@2: 	IMPORT_C void UpdateJustificationVertical(const TDesC& aText,TBool aUp);
williamr@2: 	IMPORT_C void UseBrushPattern(const CFbsBitmap* aBitmap);
williamr@2: 	IMPORT_C TInt UseBrushPattern(TInt aFbsBitmapHandle);
williamr@2: 	IMPORT_C void UseFont(const CFont* aFont);
williamr@2: 	IMPORT_C TInt UseFont(TInt aFontHandle);
williamr@2: 	IMPORT_C void UseFontNoDuplicate(const CFbsBitGcFont* aFont);
williamr@2: 	IMPORT_C TBool IsBrushPatternUsed() const;
williamr@2: 	IMPORT_C TBool IsFontUsed() const;
williamr@2: 	inline static TInt16 Load16(const TUint8* aPtr) { return TInt16(aPtr[0]+(aPtr[1]<<8)); }
williamr@2: 	IMPORT_C TInt AlphaBlendBitmaps(const TPoint& aDestPt,
williamr@2: 									const CFbsBitmap* aSrcBmp1,
williamr@2: 									const CFbsBitmap* aSrcBmp2,
williamr@2: 									const TRect& aSrcRect1,
williamr@2: 									const TPoint& aSrcPt2,
williamr@2: 									const CFbsBitmap* aAlphaBmp,
williamr@2: 									const TPoint& aAlphaPt);
williamr@2: 	IMPORT_C TInt AlphaBlendBitmaps(const TPoint& aDestPt,
williamr@2: 									const CFbsBitmap* aSrcBmp,
williamr@2: 									const TRect& aSrcRect,
williamr@2: 									const CFbsBitmap* aAlphaBmp,
williamr@2: 									const TPoint& aAlphaPt);
williamr@2: 	IMPORT_C void ExternalizeL(RWriteStream& aWriteStream);
williamr@2: 	IMPORT_C void InternalizeL(RReadStream& aReadStream);
williamr@2: 	IMPORT_C TInt SetClippingRegion(const TRegion& aRegion);
williamr@2: 
williamr@2: 	IMPORT_C TInt AlphaBlendBitmaps(const TPoint& aDestPt,
williamr@2: 											const CWsBitmap* aSrcBmp,
williamr@2: 											const TRect& aSrcRect,
williamr@2: 											const CWsBitmap* aAlphaBmp,
williamr@2: 											const TPoint& aAlphaPt);
williamr@2: 	IMPORT_C TRgb BrushColor();
williamr@2: 	IMPORT_C TRgb PenColor();	
williamr@2: 	IMPORT_C void ChangeDevice(CFbsDevice* aDevice);
williamr@4: 	// New DrawText API's that take in extra paramemters such as context. Extensible.
williamr@4: 	IMPORT_C void DrawText(const TDesC& aText,const TTextParameters* aParam);
williamr@4: 	IMPORT_C void DrawText(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition);
williamr@4: 	IMPORT_C void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox);
williamr@4: 	IMPORT_C void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox,TInt aBaselineOffset,TTextAlign aHrz=ELeft,TInt aMargin=0);
williamr@4: 	IMPORT_C void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox,TInt aBaselineOffset,TInt aTextWidth,TTextAlign aHrz=ELeft,TInt aMargin=0);
williamr@4: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp);
williamr@4: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition,TBool aUp);
williamr@4: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox,TBool aUp);
williamr@4: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
williamr@4: 	IMPORT_C void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aBox,TInt aBaselineOffset,TInt aTextWidth,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
williamr@4: 	IMPORT_C void UpdateJustification(const TDesC& aText,const TTextParameters* aParam);
williamr@4: 	IMPORT_C void UpdateJustificationVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp);
williamr@2: private:
williamr@2: 	CFbsBitGc();
williamr@2: 	void AddRect(const TRect& aRect);
williamr@2: 	TBool AnalyseEllipse(const TRect& rc, TPoint& srad, TPoint& erad, TInt& startq, TInt& endq, TBool* quads);
williamr@2: 	void BitMultiply(TUint32* aBinaryDataPtr,TInt aBitLength,TInt aMultiplier);
williamr@2: 	void CheckDevice() const;
williamr@2: 	TBool CheckDevice(const TRect& aRect) const;
williamr@2: 	TUint32* ClipBinaryArray(TUint32* aArray,TUint32* aArrayLimit,TInt aArrayWordWd,TInt& aDataWd,TInt& aDataHt,TPoint& aPos);
williamr@2: 	void ClipFillLine(TPoint,TPoint);
williamr@2: 	void CopyCharWord(TUint32* aBinaryDataPtr,const TUint8* aData,TInt aBitShift);
williamr@2: 	void CopyCharLine(TUint32* aBinaryDataPtr,TInt aBufferWords,const TUint8* aData,TInt aBitShift,TInt aCharWidth);
williamr@4: 	void DrawText(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition,TTextAlign aAlignment,
williamr@2: 				  CFont::TTextDirection aDirection,const TRect* aBox = NULL);
williamr@2: 	void DoBitBlt(const TPoint& aDest,CFbsDevice* aDevice,const TRect& aSourceRect);
williamr@2: 	void DoBitBlt(const TPoint& aDest,CBitwiseBitmap* aBitmap,TUint32* aBase,TInt aStride,const TRect& aSourceRect);
williamr@2: 	void DoBitBltMasked(const TPoint& aDest,CBitwiseBitmap* aSourceBitmap,TUint32* aSourceBase,const TRect& aSourceRect,CBitwiseBitmap* aMaskBitmap,TUint32* aMaskBase,TBool aInvertMask,const TPoint& aDitherOrigin,TInt aShadowMode);
williamr@2: 	void DoBitBltMaskedFlicker(const TPoint& aDest,CBitwiseBitmap* aSourceBitmap,TUint32* aSourceBase,const TRect& aSourceRect,CBitwiseBitmap* aMaskBitmap,TUint32* aMaskBase,TBool aInvertMask,const TPoint& aDitherOrigin,TInt aShadowMode);
williamr@2: 	void DoBitBltMaskedNonFlicker(const TPoint& aDest,CBitwiseBitmap* aSourceBitmap,TUint32* aSourceBase,const TRect& aSourceRect,CBitwiseBitmap* aMaskBitmap,TUint32* aMaskBase,TBool aInvertMask,const TPoint& aDitherOrigin,TInt aShadowMode);
williamr@2: 	void DoBitBltMaskedNonFlickerSolid(const TPoint& aDest,CBitwiseBitmap* aSourceBitmap,TUint32* aSourceBase,const TRect& aSourceRect,CBitwiseBitmap* aMaskBitmap,TUint32* aMaskBase,TBool aInvertMask,const TPoint& aDitherOrigin,TInt aShadowMode);
williamr@2: 	void DoBitBltMaskedNonFlickerPatterned(const TPoint& aDest,CBitwiseBitmap* aSourceBitmap,TUint32* aSourceBase,const TRect& aSourceRect,CBitwiseBitmap* aMaskBitmap,TUint32* aMaskBase,TBool aInvertMask,const TPoint& aDitherOrigin,TInt aShadowMode);
williamr@4: 	void DoBitBltAlpha(const TPoint& aDest, CBitwiseBitmap* aSourceBitmap,
williamr@4: 					   TUint32* aSourceBase, const TRect& aSourceRect,
williamr@4: 					   CBitwiseBitmap* aMaskBitmap, TUint32* aMaskBase,
williamr@4: 					   const TPoint& aAlphaPoint, TInt aShadowMode, TBool aInvertMask);
williamr@2: 	void DoBitBltAlpha(const TPoint& aDestPt,
williamr@2: 					   const CBitwiseBitmap* aSrcBmp1,
williamr@2: 					   TUint32* aSrcBmpDataAddr1,
williamr@2: 					   const CBitwiseBitmap* aSrcBmp2,
williamr@2: 					   TUint32* aSrcBmpDataAddr2,
williamr@2: 					   const CBitwiseBitmap* aAlphaBmp,
williamr@2: 					   TUint32* aAlphaBmpDataAddr,
williamr@2: 					   const TRect& aSrcRect1,
williamr@2: 					   const TPoint& aSrcPt2,
williamr@2: 					   const TPoint& aAlphaPt,
williamr@2: 					   TInt aShadowMode);
williamr@2: 	void DoCopyRect(const TPoint&,const TRect&);
williamr@2: 	void DoDrawBitmap(const TRect&,CBitwiseBitmap*,TUint32* aBase,TInt aStride,const TRect&,const TPoint& aDitherOrigin);
williamr@2: 	void DoDrawBitmapMasked(const TRect& aDestRect,CBitwiseBitmap* aSourceBitmap,TUint32* aSourceBase,const TRect& aSourceRect,CBitwiseBitmap* aMaskBitmap,TUint32* aMaskBase,TBool aInvertMask,const TPoint& aDitherOrigin);
williamr@2: 	void DoDrawLine(TPoint aStart,TPoint aEnd,TBool aDrawStartPoint);
williamr@2: 	void DoDrawDottedWideLine(const TPoint& pt1,const TPoint& pt2,TBool drawstart,const TRect& screenrect);
williamr@2: 	void DoDrawSolidWideLine(const TPoint& pt1,const TPoint& pt2,TBool drawstart,const TRect& screenrect);
williamr@4: 	void DoDrawText(CFont::TPositionParam& aParam,const TInt aEnd);
williamr@2: 	void DoDrawCharacter(const TPoint& aTopLeft,const TSize& aDataSize,const TUint8* aData);
williamr@4: 	void DoDrawTextEx(CFont::TPositionParam& aParam,const CBitmapFont* font,const TInt aEnd, const TInt aUnderlineStrikethroughOffset);
williamr@2: 	void DoDrawCharacterEx(const TPoint& aTopLeft,const TSize& aDataSize,const TUint8* aData,
williamr@2: 		TBool aBold,TBool aItalic,TInt aSemiAscent);
williamr@4: 	void DoDrawCharacterAntiAliased(const TPoint& aTopLeft,const TSize& aDataSize,const TUint8* aData, const TGlyphBitmapType aGlyphType);
williamr@4: 	void DoDrawTextLarge(CFont::TPositionParam& aParam,const CBitmapFont* font,const TInt aEnd);
williamr@2: 	void DoDrawCharacterLarge(const TPoint& aTopLeft,const TSize& aDataSize,const TUint8* aData,
williamr@2: 		TBool aBold,TBool aItalic,TInt aSemiAscent,TInt aWidthFactor,TInt aHeightFactor);
williamr@2: 	void DoDrawCharacterExLarge(const TPoint& aTopLeft,const TSize& aDataSize,const TUint8* aData,
williamr@2: 		TBool aBold,TBool aItalic,TInt aSemiAscent,TInt aWidthFactor,TInt aHeightFactor);
williamr@2: 	void DoDrawCharacterMultiplied(const TPoint& aTopLeft,const TSize& aDataSize,const TUint8* aData,
williamr@2: 		TBool aBold,TBool aItalic,TInt aSemiAscent,TInt aWidthMultiplier,TInt aHeightMultiplier);
williamr@4: 	void DoDrawTextVertical(CFont::TPositionParam& aParam,const CBitmapFont* font,TBool aUp,const TInt aEnd);
williamr@2: 	void DoDrawCharacterVertical(const TPoint& aTopLeft,const TSize& aDataSize,const TUint8* aData,
williamr@2: 		TBool aBold,TBool aItalic,TInt aSemiAscent,TInt aWidthFactor,TInt aHeightFactor,TBool aUp);
williamr@4: 	void DoDrawCharacterVerticalAntiAliased(const TPoint& aTopLeft,const TSize& aDataSize,const TUint8* aData,TBool aUp, TGlyphBitmapType aGlyphBitmapType);
williamr@2: 	void DoPlot(const TPoint& pt);
williamr@2: 	void EllipseFill(const TRect& aRect);
williamr@2: 	void EllipseOutline(const TRect& aRect);
williamr@2: 	void EllipseOutlineWide(const TRect& aRect);
williamr@2: 	void GetStrikethroughMetrics(TInt& aTop,TInt& aBottom);
williamr@2: 	void OutputCharLine(TPoint aPrintPos,TUint32* aBuffer,TInt aDataLength,TInt aNum,TBool aBold,TInt aWidthFactor,TInt aHeightFactor);
williamr@2: 	void OutputCharLineMultiplied(TPoint aPrintPos,TUint32* aBuffer,TInt aDataLength,TInt aNum,TBool aBold,TInt aWidthMultiplier,TInt aHeightMultiplier);
williamr@2: 	void OutputCharLineVertical(TPoint aPrintPos,TUint32* aBuffer,TInt aDataLength,TInt aNum,TBool aBold,TInt aWidthFactor,TInt aHeightFactor,TBool aUp);
williamr@2: 	void PenAllocate();
williamr@2: 	void PenDrawClipped(TPoint aPoint);
williamr@2: 	void PenDrawDeferred(TPoint aPoint,TInt* aArray,TInt aFirstElement);
williamr@2: 	void PieArcOutline(const TRect& aRect,const TPoint& aStartRadius,const TPoint& aEndRadius,TBool aDoPie);
williamr@2: 	void PieFill(const TRect& ellrect, const TPoint& aStartIntersect, const TPoint& aEndIntersect,
williamr@2: 		TInt aStartQuadrant, TInt aEndQuadrant, const TBool* aQuadrants);
williamr@2: 	void PieShell(const TRect& ellrect, const TPoint& startradius, const TPoint& endradius,
williamr@2: 		const TBool* quads, TInt startquad, TInt endquad);
williamr@2: 	void PieTriangles(TBool aInside,const TPoint& aStart,const TPoint& aEnd);
williamr@2: 	void PieSliver(const TRect& ellrect,const TPoint& startradius,const TPoint& endradius,TInt quad);
williamr@2: 	void PolyFill(const CArrayFix<TPoint>* aPointList,TFillRule aFillRule);
williamr@2: 	void PolyFillLarge(const CArrayFix<TPoint>* aPointList,TFillRule aFillRule);
williamr@2: 	void PolyFill(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule);
williamr@2: 	void PolyFillLarge(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule);
williamr@2: 	void PolyOutline(const CArrayFix<TPoint>* aPointList);
williamr@2: 	void PolyOutline(const TPoint* aPointList,TInt aNumPoints);
williamr@2: 	void RectFill(const TRect& aRect);
williamr@2: 	void RoundRectFill(const TRect& aRect,TSize aSize);
williamr@2: 	void RoundRectOutline(const TRect& aRect,TSize aSize);
williamr@2: 	void SetupDevice() const;
williamr@2: 	void ShadowFadeArea(const TRegion* aRegion,TInt8 aShadowMode);
williamr@2: 	TBool UserClipRect(TRect& aRect);
williamr@2: 	CGraphicsAccelerator* GraphicsAccelerator();
williamr@2: 	TUint MemoryOffsetForPixelPitch(TUint aX, TDisplayMode aDisplayMode);
williamr@2: 	TUint32* GetScanLineOffsetPtr(CBitwiseBitmap* aSrce, TUint32*& aSlptr, TInt aLength, TPoint aPixel,TUint32* aBase, TLineScanningPosition& aLineScanningPosition, TUint aXOffset);
williamr@2: 	void APIExGetUnderlineMetrics(TAny*& aOutput);
williamr@2: 	TInt APIExSetShadowColor(TAny* aShadowColor);
williamr@2: 	TInt APIExGetShadowColor(TAny*& aShadowColor);
williamr@2: 	TInt FastBlendInterface(const CBitwiseBitmap* aSource, const CBitwiseBitmap* aMask, MFastBlend*& aFastBlend) const;
williamr@2: 	TInt APIExIsFbsBitGc(TAny*& aIsCFbsBitGc);
williamr@4: 	TDisplayMode ScanLineBufferDisplayMode(CFbsDrawDevice* aDrawDevice);
williamr@4: 	TInt BaselineCorrection();
williamr@4: 	CFbsRasterizer* PrepareRasterizerForExtendedBitmap(const CFbsBitmap& aBitmap);
williamr@4: 	CFbsRasterizer* PrepareRasterizerForExtendedBitmap(const CFbsBitmap& aBitmap, const TRect& aDestRect, const TPoint& aOffset);
williamr@4: 	CFbsRasterizer* PrepareRasterizerForExtendedBitmap(const CFbsBitmap& aBitmap, const TRect& aDestRect, const TRect& aSourceRect);
williamr@2: protected:
williamr@2: 	/** This function should not be used by externals but must retain the
williamr@2: 	same ordinal number to maintain BC, thus is exported.*/
williamr@2: 	IMPORT_C TInt APIExtension(TUid aUid, TAny*& aOutput, TAny* aInput);
williamr@2: 	
williamr@2: private:
williamr@2: 	IMPORT_C void Reserved_CGraphicsContext_2();
williamr@2: 
williamr@2: 	IMPORT_C void Reserved_CBitmapContext_1();
williamr@2: 	IMPORT_C void Reserved_CBitmapContext_2();
williamr@2: 	IMPORT_C void Reserved_CBitmapContext_3();
williamr@2: 	
williamr@2: 	IMPORT_C virtual void Reserved_CFbsBitGc_1();	
williamr@2: 	IMPORT_C virtual void Reserved_CFbsBitGc_2();	
williamr@2: 	IMPORT_C virtual void Reserved_CFbsBitGc_3();	
williamr@2: 	IMPORT_C virtual void Reserved_CFbsBitGc_4();	
williamr@2: 	IMPORT_C virtual void Reserved_CFbsBitGc_5();	
williamr@2: 	
williamr@2: private:
williamr@2: 	CFbsBitGcBitmap iBrushBitmap;
williamr@2: 	TBool iBrushUsed;
williamr@2: 	TRgb iBrushColor;
williamr@2: 	TPoint iBrushOrigin;
williamr@2: 	TBrushStyle iBrushStyle;
williamr@2: 	TRect iClipRect;
williamr@2: 	TRegionFix<1> iDefaultRegion;
williamr@2: 	const TRegion* iDefaultRegionPtr;
williamr@2: 	TRect iUserClipRect;
williamr@2: 	CFbsDevice* iDevice;
williamr@2: 	TPoint iDitherOrigin;
williamr@2: 	TInt iDotLength;
williamr@2: 	TInt iDotMask;
williamr@2: 	TInt iDotParam;
williamr@2: 	TInt iDotDirection;
williamr@2: 	TDrawMode iDrawMode;
williamr@2: 	TRect iDrawnTo;
williamr@2: 	CFbsBitGcFont iFont;
williamr@2: 	TInt iCharJustExcess;
williamr@2: 	TInt iCharJustNum;
williamr@2: 	TInt iWordJustExcess;
williamr@2: 	TInt iWordJustNum;
williamr@2: 	TPoint iLastPrintPosition;
williamr@2: 	TPoint iLinePosition;
williamr@2: 	TPoint iOrigin;
williamr@2: 	CFbsBitGcExtraData* iFbsBitGcExtraData;
williamr@2: 	TRgb iPenColor;
williamr@2: 	TPenStyle iPenStyle;
williamr@2: 	TSize iPenSize;
williamr@2: 	TInt8 iShadowMode;
williamr@2: 	TInt8 iAutoUpdateJustification;
williamr@2: 	TUint8 iFadeBlackMap;
williamr@2: 	TUint8 iFadeWhiteMap;
williamr@2: 	TFontStrikethrough iStrikethrough;
williamr@2: 	TFontUnderline iUnderline;
williamr@2: 	TDisplayMode iUserDisplayMode;
williamr@2: 	RRegion iClippingRegion;
williamr@2: #if defined(__ALLOW_FAST_BLEND_DISABLE__)
williamr@2: 	TBool iFastBlendDisabled;
williamr@2: #endif
williamr@2: 	};
williamr@2: 
williamr@2: inline void CFbsBitGc::SetFadeMode(TBool aFadeMode /*=EFalse*/)
williamr@2: 	{SetFaded(aFadeMode);}
williamr@2: inline void CFbsBitGc::SetFadingParameters(TUint8 aBlackMap /*=0*/)
williamr@2: 	{SetFadingParameters(aBlackMap,255);}		//255 is the value of white map when not fading
williamr@2: 
williamr@2: #endif
williamr@4: