--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textbase/tgdi/TGraphicsContext.h	Mon Jul 12 14:38:26 2010 +0800
@@ -0,0 +1,266 @@
+// Copyright (c) 2002-2010 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:
+// Simple stubs for testing purposes
+// 
+//
+
+/**
+ @file
+ @test
+ @internalComponent Internal Symbian test code
+*/
+
+#ifndef __TGRAPHICSCONTEXT_H__
+#define __TGRAPHICSCONTEXT_H__
+
+#include <gdi.h>
+
+/**
+ *
+ * Class to provide a dummy palette for test purposes
+ *
+ */
+
+
+class CTestPalette2 : public CPalette
+	{
+public:
+	enum { KNumEntries = 4 };
+	CTestPalette2()
+		{
+		iArray = iRgbArray;
+		iNumEntries = KNumEntries;
+		}
+	~CTestPalette2();
+private:
+	TRgb iRgbArray[KNumEntries];
+	};
+
+/**
+ *
+ * Class to provide a dummy graphics device for test purposes
+ *
+ */
+
+
+class CTestGraphicsDevice : public CBitmapDevice
+	{
+public:
+	static CTestGraphicsDevice* NewL(TSize aSizeInPixels);
+	~CTestGraphicsDevice();
+	void SetHorizontalTwipsToPixels(TInt aTwipsToPixels);
+	void SetVerticalTwipsToPixels(TInt aTwipsToPixels);
+	TDisplayMode DisplayMode() const;
+	TSize SizeInPixels() const;
+	TSize SizeInTwips() const;
+	TInt CreateContext(CGraphicsContext*& aGC);
+	TInt NumTypefaces() const;
+	void TypefaceSupport(TTypefaceSupport& aTypefaceSupport,TInt aTypefaceIndex) const;
+	TInt FontHeightInTwips(TInt aTypefaceIndex,TInt aHeightIndex) const;
+	void PaletteAttributes(TBool& aModifiable,TInt& aNumEntries) const;
+	void SetPalette(CPalette* aPalette);
+	TInt GetPalette(CPalette*& aPalette) const;
+
+	// from CBitmapFont
+	void GetPixel(TRgb& aColor,const TPoint& aPixel) const;
+	void GetScanLine(TDes8& aBuf,const TPoint& aStartPixel,TInt aLength,TDisplayMode aDispMode) const;
+	TInt AddFile(const TDesC& aName,TInt& aId);
+	void RemoveFile(TInt aId);
+	TInt GetNearestFontInPixels(CFont*& aFont,const TFontSpec& aFontSpec);
+	TInt GetNearestFontToDesignHeightInPixels(CFont*& aFont, const TFontSpec& aFontSpec);
+	TInt GetNearestFontToMaxHeightInPixels(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
+	TInt FontHeightInPixels(TInt aTypefaceIndex,TInt aHeightIndex) const;
+
+	// from MGraphicsDeviceMap from CBitmapFont
+	TInt HorizontalTwipsToPixels(TInt aTwips) const;
+	TInt VerticalTwipsToPixels(TInt aTwips) const;
+	TInt HorizontalPixelsToTwips(TInt aPixels) const;
+	TInt VerticalPixelsToTwips(TInt aPixels) const;
+	TInt GetNearestFontInTwips(CFont*& aFont,const TFontSpec& aFontSpec);
+	TInt GetNearestFontToDesignHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec);
+	TInt GetNearestFontToMaxHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
+	void ReleaseFont(CFont* aFont);
+private:
+	CTestGraphicsDevice(TSize aSizeInPixels);
+private:
+	TSize iSize;
+	TInt iHorizontalTwipsToPixels;
+	TInt iVerticalTwipsToPixels;
+	CTestPalette2* iPalette;
+	};
+
+
+/**
+ *
+ * Class representing a line of displayed data
+ *
+ */
+
+
+class TTestGCDisplayLine 
+	{
+public:
+	TPoint iLinePos;
+	TBuf16<80> iLineData;
+
+	void Set(const TPoint& aLinePos, const TDesC16& aLineData)
+		{
+			iLineData = aLineData;
+			iLinePos = aLinePos;
+		}
+
+	TPtrC16 LineData() const
+		{
+			return TPtrC16(iLineData.Ptr(), iLineData.Length());
+		}
+
+	const TPoint& Position() const
+		{
+			return iLinePos;
+		}
+	
+	};
+
+/**
+ *
+ * Class to provide a dummy graphics context for test purposes
+ *
+ */
+
+class CTestGraphicsContext : public CGraphicsContext
+	{
+public:
+	enum TPanic
+		{
+		EUnimplemented,
+		ETypefaceIndexOutOfRange,
+		EUnknownFont
+		};
+	static void Panic(TInt aReason);
+	CTestGraphicsContext(CTestGraphicsDevice* aGd);
+	~CTestGraphicsContext();
+	CGraphicsDevice* Device() const;
+	void SetOrigin(const TPoint& aPos);
+	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* aBitmap);
+	void DiscardBrushPattern();
+	void MoveTo(const TPoint& aPoint);
+	void MoveBy(const TPoint& aVector);
+	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& aVector);
+	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& aCornerSize);
+	TInt DrawPolygon(const CArrayFix<TPoint>* aPointList,TFillRule aFillRule);
+	TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule);
+	void DrawBitmap(const TPoint& aTopLeft,const CFbsBitmap* aSource);
+	void DrawBitmap(const TRect& aDestRect,const CFbsBitmap* aSource);
+	void DrawBitmap(const TRect& aDestRect,const CFbsBitmap* aSource,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& aText,const TPoint& aPosition);
+	void DrawText(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TTextAlign aAlignment,
+		TInt aLeftMargin);
+	void DrawText(const TDesC& aText, const TPoint& aPosition,
+		const TDrawTextParam&);
+		
+	void MapColors(const TRect &aRect,const TRgb *aColors,TInt aNumPairs,TBool aMapForwards);
+	TInt SetClippingRegion(const TRegion &aRegion);
+	void CancelClippingRegion();
+	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);
+
+	void ClearDrawnArea()
+		{
+		iDrawnArea.iTl.iX = iDrawnArea.iBr.iX = iDrawnArea.iTl.iY = iDrawnArea.iBr.iY = 0;
+		}
+	TRect DrawnArea() const
+		{
+		return iDrawnArea;
+		}
+	void ClearAreaDrawnWithCondition()
+		{
+		iAreaDrawnWithCondition.iTl.iX = iAreaDrawnWithCondition.iBr.iX
+			= iAreaDrawnWithCondition.iTl.iY = iAreaDrawnWithCondition.iBr.iY = 0;
+		}
+	const TRect& AreaDrawnWithCondition() const
+		{
+		return iAreaDrawnWithCondition;
+		}
+	void AddRectToDrawnArea(const TRect& aRect);
+	void AddPointToDrawnArea(const TPoint& aPoint);
+
+	const TTestGCDisplayLine& DisplayLine(TInt index)
+		{
+			return iLineArray[index];
+		}
+private:
+	CTestGraphicsDevice* iGd;
+	TPoint iOrigin;
+	TDrawMode iDrawMode;
+	const CFont* iFont;
+	TSize iPenSize;
+	TPoint iCurrentPos;
+	TRect iDrawnArea;
+	TRect iAreaDrawnWithCondition;
+	TInt iPenColorIndex;
+	RArray<TTestGCDisplayLine> iLineArray;
+	};
+
+/**
+ *
+ * Class to provide a dummy font for test purposes
+ *
+ */
+class CTestFont : public CFont
+	{
+public:
+	virtual TUid DoTypeUid() const;
+	TInt DoHeightInPixels() const;
+	TInt DoAscentInPixels() const;
+	TInt DoCharWidthInPixels(TChar aChar) const;
+	TInt DoTextWidthInPixels(const TDesC& aText) const;
+	TInt DoBaselineOffsetInPixels() const;
+	TInt DoTextCount(const TDesC& aText,TInt aWidthInPixels) const;
+	TInt DoTextCount(const TDesC& aText,TInt aWidthInPixels,TInt& aExcessWidthInPixels) const;
+	TInt DoMaxCharWidthInPixels() const;
+	TInt DoMaxNormalCharWidthInPixels() const;
+	TFontSpec DoFontSpecInTwips() const;
+	TCharacterDataAvailability DoGetCharacterData(TUint aCode,
+		TOpenFontCharMetrics& aMetrics,const TUint8*& aBitmap,TSize& aBitmapSize) const;
+	};
+
+
+#endif /* __TGRAPHICSCONTEXT_H__ */