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// Copyright (c) 2007-2009 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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#ifndef CSWDIRECTGDIENGINE_H
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#define CSWDIRECTGDIENGINE_H
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/**
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@file
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@internalComponent
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*/
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#include "directgdiadapter.h"
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#include "swdirectgdibitmap.h"
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#include <graphics/directgdiengine.h>
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#include <e32base.h>
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#include <bitdraw.h>
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#include <bitdraworigin.h>
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#include <bitmap.h>
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// For use when testing the code, allows the fast blending to be disabled so back to back comparisons
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// can done be to check either timing or exact output.
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//#define __ALLOW_FAST_BLEND_DISABLE__
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class RDirectGdiDrawableSource;
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class CSwDirectGdiDriverImpl;
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class CSwDirectGdiImageSourceImpl;
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class CSwDirectGdiImageTargetImpl;
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class CFbsDrawDevice;
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class CBitwiseBitmap;
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class MFastBlend;
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/**
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Concrete (reference) implementation of a MDirectGdi Engine. It is a
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collection of drawing routines which implement the software adaptation of DirectGDI.
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*/
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NONSHARABLE_CLASS(CSwDirectGdiEngine) : public CBase, public MDirectGdiEngine, public MDrawDeviceOrigin
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{
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public:
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CSwDirectGdiEngine(CSwDirectGdiDriverImpl*);
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virtual ~CSwDirectGdiEngine();
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// from MDirectGdiEngine
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TInt Activate(RDirectGdiImageTarget& aTarget);
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void Deactivate();
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void SetOrigin(const TPoint& aOrigin);
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void SetClippingRegion(const TRegion& aRegion);
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void ResetClippingRegion();
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void SetDrawMode(DirectGdi::TDrawMode aMode);
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void SetPenColor(const TRgb& aColor);
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void SetPenStyle(DirectGdi::TPenStyle aStyle);
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void SetPenSize(const TSize& aSize);
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void SetTextShadowColor(const TRgb& aColor);
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void SetBrushColor(const TRgb& aColor);
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void SetBrushStyle(DirectGdi::TBrushStyle aStyle);
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void SetBrushOrigin(const TPoint& aOrigin);
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TInt SetBrushPattern(const CFbsBitmap& aPattern);
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void ResetBrushPattern();
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void SetFont(TUint32 aFontId);
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void ResetFont();
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void Reset();
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void Clear(const TRect& aRect);
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void Clear();
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void MoveTo(const TPoint& aPoint);
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void MoveBy(const TPoint& aVector);
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void Plot(const TPoint& aPoint);
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void DrawLine(const TPoint& aStart, const TPoint& aEnd);
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void DrawLineTo(const TPoint& aPoint);
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void DrawLineBy(const TPoint& aVector);
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void DrawRect(const TRect& aRect);
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void DrawRoundRect(const TRect& aRect, const TSize& aCornerSize);
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void DrawPolyLine(const TArray<TPoint>& aPointList);
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void DrawPolyLineNoEndPoint(const TArray<TPoint>& aPointList);
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void DrawPolygon(const TArray<TPoint>& aPoints, DirectGdi::TFillRule aRule);
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void DrawArc(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd);
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void DrawPie(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd);
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void DrawEllipse(const TRect& aRect);
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void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aBitmap, const TRect& aSrcRect);
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void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aBitmap, const TRect& aSrcRect,
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const CFbsBitmap& aMask, TBool aInvertMask);
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void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aBitmap, const TRect& aSrcRect,
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const CFbsBitmap& aAlpha, const TPoint& aAlphaPos);
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void DrawBitmap(const TRect& aDestRect, const CFbsBitmap& aBitmap, const TRect& aSrcRect);
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void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap& aBitmap, const TRect& aSrcRect,
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const CFbsBitmap& aMask, TBool aInvertMask);
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void DrawResource(const TRect& aDestRect, const RDirectGdiDrawableSource& aSource, const TRect& aSrcRect,
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DirectGdi::TGraphicsRotation aRotation);
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void DrawResource(const TPoint& aPos, const RDirectGdiDrawableSource& aSource,
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DirectGdi::TGraphicsRotation aRotation);
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void DrawResource(const TRect& aDestRect, const RDirectGdiDrawableSource& aSource,
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DirectGdi::TGraphicsRotation aRotation);
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void DrawResource(const TRect& aDestRect, const RDirectGdiDrawableSource& aSource, const TDesC8& aParam);
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void DrawGlyph(const TPoint& aPos, const TChar aChar, const TUint8* aGlyphImage,
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const TGlyphBitmapType aGlyphBitmapType, const TSize& aGlyphImageSize, const TRect& aClipRect,
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const DirectGdi::TGraphicsRotation aRotation = DirectGdi::EGraphicsRotationNone);
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void CopyRect(const TPoint& aOffset, const TRect& aRect);
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void ExternalizeL(RWriteStream& aWriteStream);
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void InternalizeL(RReadStream& aReadStream);
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TInt GetInterface(TUid aInterfaceId, TAny*& aInterface);
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void BeginDrawGlyph();
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void EndDrawGlyph();
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//from MDrawDeviceOrigin
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TInt Set(const TPoint& aDrawOrigin);
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void Get(TPoint& aDrawOrigin);
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private:
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CSwDirectGdiEngine();
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TBool AnalyseEllipse(const TRect& rc,TPoint& srad,TPoint& erad, TInt& startq,TInt& endq,TBool* quads);
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TUint32* ClipBinaryArray(TUint32* aArray, TUint32* aArrayLimit, TInt& aDataWd, TInt& aDataHt, TPoint& aPos, const TRect& aClipRect);
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void ClipFillLine(TPoint aLeft,TPoint aRight, TRect aClipRect);
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void CopyCharLine(TUint32* aBinaryDataPtr, TInt aBufferWords, const TUint8* aData, TInt aBitShift, TInt aCharWidth);
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void DrawPolyLineNoEndPoint(const TPoint* aPointList, TInt aNumPoints);
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void DoBitBlt(const TPoint& aDest, CBitwiseBitmap* aSrce, TUint32* aBase, TInt aStride,
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const TRect& aSrceRect);
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void DoBitBltAlpha(const TPoint& aDest,CBitwiseBitmap* aSourceBitmap, TUint32* aSourceBase,
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const TRect& aSourceRect, CBitwiseBitmap* aMaskBitmap,TUint32* aMaskBase,
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const TPoint& aAlphaPoint, TBool aInvertMask);
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void DoBitBltMasked(const TPoint& aDest, CBitwiseBitmap* aSourceBitmap,
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TUint32* aSourceBase, const TRect& aSourceRect, CBitwiseBitmap* aMaskBitmap,
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TUint32* aMaskBase, TBool aInvertMask);
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void DoBitBltMaskedFlicker(const TPoint& aDest, CBitwiseBitmap* aSourceBitmap, TUint32* aSourceBase,
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const TRect& aSourceRect, CBitwiseBitmap* aMaskBitmap, TUint32* aMaskBase, TBool aInvertMask);
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void DoCopyRect(const TPoint& aOffset, const TRect& rect);
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void DoDrawLine(TPoint aPt1,TPoint aPt2,TBool aDrawStartPoint);
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void DoPlot(const TPoint& aPoint);
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void DoDrawBitmap(const TRect& aDestRect, CBitwiseBitmap* aBitmap, TUint32* aBase, TInt aStride,
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const TRect& aSrceRect, const TRect& aClipRect);
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void DoDrawBitmapMasked(const TRect& aDestRect, CBitwiseBitmap* aSourceBitmap, TUint32* aSourceBase,
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const TRect& aSourceRect, CBitwiseBitmap* aMaskBitmap, TUint32* aMaskBase, TBool aInvertMask,
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const TRect& aClipRect);
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TInt CheckImageSource(TInt aSourceHandle, CSwDirectGdiImageSourceImpl*& aImpl, TSize* aImgSize);
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void DrawResourceCommon(const TRect& aDestRect, const CSwDirectGdiImageSourceImpl* aImpl,
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const TRect& aSrcRect, DirectGdi::TGraphicsRotation aRotation);
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void DoDrawResource(const TRect& aDestRect, const CSwDirectGdiImageSourceImpl* aImpl,
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const TRect& aSrceRect, DirectGdi::TGraphicsRotation aRotation, const TRect& aClipRect);
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void DoBlitResource(const TPoint& aDest, const CSwDirectGdiImageSourceImpl* aImpl,
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const TRect& aSrceRect, DirectGdi::TGraphicsRotation aRotation);
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void DoScaledBlitResource(const TRect& aDestRect, const CSwDirectGdiImageSourceImpl* aImpl,
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const TRect& aSrceRect, DirectGdi::TGraphicsRotation aRotation, const TRect& aClipRect);
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void DoDrawDottedWideLine(const TPoint& aPt1, const TPoint& aPt2, TBool aDrawStartPoint,
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const TRect& aScreenRect, TRect aClipRect);
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void DoDrawSolidWideLine(const TPoint& aPt1, const TPoint& aPt2, TBool aDrawStartPoint,
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const TRect& aScreenRect, TRect aClipRect);
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void DrawBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect);
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void DrawLargeBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect);
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void DrawRotatedBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation);
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void DrawAntiAliasedGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect);
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void DrawRotatedAntiAliasedGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation);
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void DrawFourColourGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect);
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void DrawRotatedFourColourGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation);
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void EllipseFill(const TRect& aRect);
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void EllipseOutline(const TRect& aRect);
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void EllipseOutlineWide(const TRect& aRect);
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TUint32* GetScanLineOffsetPtr(CBitwiseBitmap* aSrce, TUint32*& aSlptr, TInt aLength, TPoint aPixel,
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TUint32* aBase, TLineScanningPosition& aLineScanningPosition, TUint aXOffset);
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inline static TInt16 Load16(const TUint8* aPtr) { return TInt16(aPtr[0]+(aPtr[1]<<8)); }
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TUint MemoryOffsetForPixelPitch(TUint aX, TDisplayMode aDisplayMode) const;
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void OutputCharLineMultiplied(TPoint aPrintPos, TUint32* aBuffer, TInt aDataLength, TInt aNum, const TRect& aClipRect);
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void OutputCharLineVertical(TPoint aPrintPos, TUint32* aBuffer, TInt aDataLength, TInt aNum, TInt aDirection, const TRect& aClipRect);
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TInt PenAllocate();
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void PenDrawClipped(TPoint aPoint, const TRect& aClipRect);
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void PenDrawDeferred(TPoint aPoint,TInt* aArray,TInt aFirstElement);
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void PieArcOutline(const TRect& ellrect,const TPoint& startradius, const TPoint& endradius, TBool pie);
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void PieFill(const TRect& ellrect, const TPoint& aStartIntersect, const TPoint& aEndIntersect,
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TInt aStartQuadrant, TInt aEndQuadrant, const TBool* aQuadrants);
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void PieShell(const TRect& ellrect,const TPoint& startradius, const TPoint& endradius,
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const TBool* quads, TInt startquad, TInt endquad, TRect aClipRect);
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void PieSliver(const TRect& ellrect,const TPoint& startradius, const TPoint& endradius,
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TInt quad, TRect aClipRect);
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void PieTriangles(TBool aInside,const TPoint& aStart,const TPoint& aEnd, TRect aClipRect);
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void PolyFill(const TPoint* aPointList, TInt aNumPoints, DirectGdi::TFillRule aFillRule);
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void PolyFill(const TArray<TPoint>* aPointList, DirectGdi::TFillRule aFillRule);
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void PolyFillLarge(const TArray<TPoint>* aPointList, DirectGdi::TFillRule aFillRule);
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void PolyFillLarge(const TPoint* aPointList, TInt aNumPoints, DirectGdi::TFillRule aFillRule);
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void PolyOutline(const TArray<TPoint>* aPointList);
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void PolyOutline(const TPoint* aPointList,TInt aNumPoints);
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void RectFill(const TRect& aRect);
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void ResetPenArray();
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void RoundRectFill(const TRect& aRect, const TSize& aCornerSize);
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void RoundRectOutline(const TRect& aRect, const TSize& aCornerSize);
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void SetPenArray(TInt* aPenArray);
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void TruncateRect(TRect& aRect);
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void Rotate90(TRect& aRect, const TPoint& aOrig);
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void Rotate180(TRect& aRect, const TPoint& aOrig);
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void Rotate270(TRect& aRect, const TPoint& aOrig);
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TBool RotatedSizeMatch(const TRect& aDst, const TRect& aSrc, DirectGdi::TGraphicsRotation aRot);
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void TileScanLine(TPtr8& aScanLine, TInt aLengthInPixels, const TPoint& aSrcPt,
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const CBitwiseBitmap* aMaskBitmap, TLineScanningPosition& aScanLinePos,
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TUint32* aMaskBase, TDisplayMode aDisplayMode);
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TInt FastBlendInterface(const CBitwiseBitmap* aSource, const CBitwiseBitmap* aMask, MFastBlend*& aFastBlend) const;
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inline CGraphicsContext::TDrawMode GcDrawMode(DirectGdi::TDrawMode aMode) const ;
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TDisplayMode ScanLineBufferDisplayMode(CFbsDrawDevice* aDrawDevice);
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private:
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CSwDirectGdiBitmap iBrushBitmap;
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TRgb iBrushColor;
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TPoint iBrushOrigin;
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DirectGdi::TBrushStyle iBrushStyle;
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TRegionFix<1> iDefaultRegion;
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const TRegion* iDefaultRegionPtr;
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TInt iDotLength;
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TInt iDotMask;
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TInt iDotParam;
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TInt iDotDirection;
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CFbsDrawDevice* iDrawDevice;
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DirectGdi::TDrawMode iDrawMode;
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CSwDirectGdiDriverImpl* iDriver;
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TPoint iLinePosition;
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TPoint iOrigin;
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TPoint iDrawOrigin;
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TInt* iPenArray;
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TRgb iPenColor; /**< The current pen colour. The default pen colour is black. */
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TRgb iTextShadowColor; /**< Colour for text shadows. */
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TSize iPenSize;
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DirectGdi::TPenStyle iPenStyle;
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RRegion iClippingRegion;
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CSwDirectGdiImageTargetImpl* iRenderingTarget;
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#if defined(__ALLOW_FAST_BLEND_DISABLE__)
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TBool iFastBlendDisabled;
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#endif
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};
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/**
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Converts a draw-mode enum from the DirectGdi namespace to the CGraphicsContext namespace.
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*/
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inline CGraphicsContext::TDrawMode CSwDirectGdiEngine::GcDrawMode(DirectGdi::TDrawMode aMode) const
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{
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switch(aMode)
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{
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case DirectGdi::EDrawModePEN:
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return CGraphicsContext::EDrawModePEN;
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case DirectGdi::EDrawModeWriteAlpha:
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return CGraphicsContext::EDrawModeWriteAlpha;
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default:
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return CGraphicsContext::EDrawModePEN;
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}
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}
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#endif /*CSWDIRECTGDIENGINE_H*/
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