sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Simple stubs for testing purposes
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @test
sl@0:  @internalComponent Internal Symbian test code
sl@0: */
sl@0: 
sl@0: #ifndef __TGRAPHICSCONTEXT_H__
sl@0: #define __TGRAPHICSCONTEXT_H__
sl@0: 
sl@0: #include <gdi.h>
sl@0: 
sl@0: /**
sl@0:  *
sl@0:  * Class to provide a dummy palette for test purposes
sl@0:  *
sl@0:  */
sl@0: 
sl@0: 
sl@0: class CTestPalette2 : public CPalette
sl@0: 	{
sl@0: public:
sl@0: 	enum { KNumEntries = 4 };
sl@0: 	CTestPalette2()
sl@0: 		{
sl@0: 		iArray = iRgbArray;
sl@0: 		iNumEntries = KNumEntries;
sl@0: 		}
sl@0: 	~CTestPalette2();
sl@0: private:
sl@0: 	TRgb iRgbArray[KNumEntries];
sl@0: 	};
sl@0: 
sl@0: /**
sl@0:  *
sl@0:  * Class to provide a dummy graphics device for test purposes
sl@0:  *
sl@0:  */
sl@0: 
sl@0: 
sl@0: class CTestGraphicsDevice : public CBitmapDevice
sl@0: 	{
sl@0: public:
sl@0: 	static CTestGraphicsDevice* NewL(TSize aSizeInPixels);
sl@0: 	~CTestGraphicsDevice();
sl@0: 	void SetHorizontalTwipsToPixels(TInt aTwipsToPixels);
sl@0: 	void SetVerticalTwipsToPixels(TInt aTwipsToPixels);
sl@0: 	TDisplayMode DisplayMode() const;
sl@0: 	TSize SizeInPixels() const;
sl@0: 	TSize SizeInTwips() const;
sl@0: 	TInt CreateContext(CGraphicsContext*& aGC);
sl@0: 	TInt NumTypefaces() const;
sl@0: 	void TypefaceSupport(TTypefaceSupport& aTypefaceSupport,TInt aTypefaceIndex) const;
sl@0: 	TInt FontHeightInTwips(TInt aTypefaceIndex,TInt aHeightIndex) const;
sl@0: 	void PaletteAttributes(TBool& aModifiable,TInt& aNumEntries) const;
sl@0: 	void SetPalette(CPalette* aPalette);
sl@0: 	TInt GetPalette(CPalette*& aPalette) const;
sl@0: 
sl@0: 	// from CBitmapFont
sl@0: 	void GetPixel(TRgb& aColor,const TPoint& aPixel) const;
sl@0: 	void GetScanLine(TDes8& aBuf,const TPoint& aStartPixel,TInt aLength,TDisplayMode aDispMode) const;
sl@0: 	TInt AddFile(const TDesC& aName,TInt& aId);
sl@0: 	void RemoveFile(TInt aId);
sl@0: 	TInt GetNearestFontInPixels(CFont*& aFont,const TFontSpec& aFontSpec);
sl@0: 	TInt GetNearestFontToDesignHeightInPixels(CFont*& aFont, const TFontSpec& aFontSpec);
sl@0: 	TInt GetNearestFontToMaxHeightInPixels(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
sl@0: 	TInt FontHeightInPixels(TInt aTypefaceIndex,TInt aHeightIndex) const;
sl@0: 
sl@0: 	// from MGraphicsDeviceMap from CBitmapFont
sl@0: 	TInt HorizontalTwipsToPixels(TInt aTwips) const;
sl@0: 	TInt VerticalTwipsToPixels(TInt aTwips) const;
sl@0: 	TInt HorizontalPixelsToTwips(TInt aPixels) const;
sl@0: 	TInt VerticalPixelsToTwips(TInt aPixels) const;
sl@0: 	TInt GetNearestFontInTwips(CFont*& aFont,const TFontSpec& aFontSpec);
sl@0: 	TInt GetNearestFontToDesignHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec);
sl@0: 	TInt GetNearestFontToMaxHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight);
sl@0: 	void ReleaseFont(CFont* aFont);
sl@0: private:
sl@0: 	CTestGraphicsDevice(TSize aSizeInPixels);
sl@0: private:
sl@0: 	TSize iSize;
sl@0: 	TInt iHorizontalTwipsToPixels;
sl@0: 	TInt iVerticalTwipsToPixels;
sl@0: 	CTestPalette2* iPalette;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: /**
sl@0:  *
sl@0:  * Class representing a line of displayed data
sl@0:  *
sl@0:  */
sl@0: 
sl@0: 
sl@0: class TTestGCDisplayLine 
sl@0: 	{
sl@0: public:
sl@0: 	TPoint iLinePos;
sl@0: 	TBuf16<80> iLineData;
sl@0: 
sl@0: 	void Set(const TPoint& aLinePos, const TDesC16& aLineData)
sl@0: 		{
sl@0: 			iLineData = aLineData;
sl@0: 			iLinePos = aLinePos;
sl@0: 		}
sl@0: 
sl@0: 	TPtrC16 LineData() const
sl@0: 		{
sl@0: 			return TPtrC16(iLineData.Ptr(), iLineData.Length());
sl@0: 		}
sl@0: 
sl@0: 	const TPoint& Position() const
sl@0: 		{
sl@0: 			return iLinePos;
sl@0: 		}
sl@0: 	
sl@0: 	};
sl@0: 
sl@0: /**
sl@0:  *
sl@0:  * Class to provide a dummy graphics context for test purposes
sl@0:  *
sl@0:  */
sl@0: 
sl@0: class CTestGraphicsContext : public CGraphicsContext
sl@0: 	{
sl@0: public:
sl@0: 	enum TPanic
sl@0: 		{
sl@0: 		EUnimplemented,
sl@0: 		ETypefaceIndexOutOfRange,
sl@0: 		EUnknownFont
sl@0: 		};
sl@0: 	static void Panic(TInt aReason);
sl@0: 	CTestGraphicsContext(CTestGraphicsDevice* aGd);
sl@0: 	~CTestGraphicsContext();
sl@0: 	CGraphicsDevice* Device() const;
sl@0: 	void SetOrigin(const TPoint& aPos);
sl@0: 	void SetDrawMode(TDrawMode aDrawingMode);
sl@0: 	void SetClippingRect(const TRect& aRect);
sl@0: 	void CancelClippingRect();
sl@0: 	void Reset();
sl@0: 	void UseFont(const CFont* aFont);
sl@0: 	void DiscardFont();
sl@0: 	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
sl@0: 	void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);
sl@0: 	void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);
sl@0: 	void SetCharJustification(TInt aExcessWidth,TInt aNumChars);
sl@0: 	void SetPenColor(const TRgb& aColor);
sl@0: 	void SetPenStyle(TPenStyle aPenStyle);
sl@0: 	void SetPenSize(const TSize& aSize);
sl@0: 	void SetBrushColor(const TRgb& aColor);
sl@0: 	void SetBrushStyle(TBrushStyle aBrushStyle);
sl@0: 	void SetBrushOrigin(const TPoint& aOrigin);
sl@0: 	void UseBrushPattern(const CFbsBitmap* aBitmap);
sl@0: 	void DiscardBrushPattern();
sl@0: 	void MoveTo(const TPoint& aPoint);
sl@0: 	void MoveBy(const TPoint& aVector);
sl@0: 	void Plot(const TPoint& aPoint);
sl@0: 	void DrawArc(const TRect& aRect,const TPoint& aStart,const TPoint& aEnd);
sl@0: 	void DrawLine(const TPoint& aPoint1,const TPoint& aPoint2);
sl@0: 	void DrawLineTo(const TPoint& aPoint);
sl@0: 	void DrawLineBy(const TPoint& aVector);
sl@0: 	void DrawPolyLine(const CArrayFix<TPoint>* aPointList);
sl@0: 	void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints);
sl@0: 	void DrawPie(const TRect& aRect,const TPoint& aStart,const TPoint& aEnd);
sl@0: 	void DrawEllipse(const TRect& aRect);
sl@0: 	void DrawRect(const TRect& aRect);
sl@0: 	void DrawRoundRect(const TRect& aRect,const TSize& aCornerSize);
sl@0: 	TInt DrawPolygon(const CArrayFix<TPoint>* aPointList,TFillRule aFillRule);
sl@0: 	TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule);
sl@0: 	void DrawBitmap(const TPoint& aTopLeft,const CFbsBitmap* aSource);
sl@0: 	void DrawBitmap(const TRect& aDestRect,const CFbsBitmap* aSource);
sl@0: 	void DrawBitmap(const TRect& aDestRect,const CFbsBitmap* aSource,const TRect& aSourceRect);
sl@0: 	void DrawBitmapMasked(const TRect& aDestRect,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask);
sl@0: 	void DrawBitmapMasked(const TRect& aDestRect,const CWsBitmap* aBitmap,const TRect& aSourceRect,const CWsBitmap* aMaskBitmap,TBool aInvertMask);
sl@0: 	void DrawText(const TDesC& aText,const TPoint& aPosition);
sl@0: 	void DrawText(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TTextAlign aAlignment,
sl@0: 		TInt aLeftMargin);
sl@0: 	void DrawText(const TDesC& aText, const TPoint& aPosition,
sl@0: 		const TDrawTextParam&);
sl@0: 		
sl@0: 	void MapColors(const TRect &aRect,const TRgb *aColors,TInt aNumPairs,TBool aMapForwards);
sl@0: 	TInt SetClippingRegion(const TRegion &aRegion);
sl@0: 	void CancelClippingRegion();
sl@0: 	void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp);
sl@0: 	void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
sl@0: 
sl@0: 	void ClearDrawnArea()
sl@0: 		{
sl@0: 		iDrawnArea.iTl.iX = iDrawnArea.iBr.iX = iDrawnArea.iTl.iY = iDrawnArea.iBr.iY = 0;
sl@0: 		}
sl@0: 	TRect DrawnArea() const
sl@0: 		{
sl@0: 		return iDrawnArea;
sl@0: 		}
sl@0: 	void ClearAreaDrawnWithCondition()
sl@0: 		{
sl@0: 		iAreaDrawnWithCondition.iTl.iX = iAreaDrawnWithCondition.iBr.iX
sl@0: 			= iAreaDrawnWithCondition.iTl.iY = iAreaDrawnWithCondition.iBr.iY = 0;
sl@0: 		}
sl@0: 	const TRect& AreaDrawnWithCondition() const
sl@0: 		{
sl@0: 		return iAreaDrawnWithCondition;
sl@0: 		}
sl@0: 	void AddRectToDrawnArea(const TRect& aRect);
sl@0: 	void AddPointToDrawnArea(const TPoint& aPoint);
sl@0: 
sl@0: 	const TTestGCDisplayLine& DisplayLine(TInt index)
sl@0: 		{
sl@0: 			return iLineArray[index];
sl@0: 		}
sl@0: private:
sl@0: 	CTestGraphicsDevice* iGd;
sl@0: 	TPoint iOrigin;
sl@0: 	TDrawMode iDrawMode;
sl@0: 	const CFont* iFont;
sl@0: 	TSize iPenSize;
sl@0: 	TPoint iCurrentPos;
sl@0: 	TRect iDrawnArea;
sl@0: 	TRect iAreaDrawnWithCondition;
sl@0: 	TInt iPenColorIndex;
sl@0: 	RArray<TTestGCDisplayLine> iLineArray;
sl@0: 	};
sl@0: 
sl@0: /**
sl@0:  *
sl@0:  * Class to provide a dummy font for test purposes
sl@0:  *
sl@0:  */
sl@0: class CTestFont : public CFont
sl@0: 	{
sl@0: public:
sl@0: 	virtual TUid DoTypeUid() const;
sl@0: 	TInt DoHeightInPixels() const;
sl@0: 	TInt DoAscentInPixels() const;
sl@0: 	TInt DoCharWidthInPixels(TChar aChar) const;
sl@0: 	TInt DoTextWidthInPixels(const TDesC& aText) const;
sl@0: 	TInt DoBaselineOffsetInPixels() const;
sl@0: 	TInt DoTextCount(const TDesC& aText,TInt aWidthInPixels) const;
sl@0: 	TInt DoTextCount(const TDesC& aText,TInt aWidthInPixels,TInt& aExcessWidthInPixels) const;
sl@0: 	TInt DoMaxCharWidthInPixels() const;
sl@0: 	TInt DoMaxNormalCharWidthInPixels() const;
sl@0: 	TFontSpec DoFontSpecInTwips() const;
sl@0: 	TCharacterDataAvailability DoGetCharacterData(TUint aCode,
sl@0: 		TOpenFontCharMetrics& aMetrics,const TUint8*& aBitmap,TSize& aBitmapSize) const;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: #endif /* __TGRAPHICSCONTEXT_H__ */