sl@0: /*
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: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "TGraphicsContext.h"
sl@0: #include <e32std.h>
sl@0: 
sl@0: #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
sl@0: #include <graphics/gdi/gdiconsts.h>
sl@0: #include <graphics/gdi/gdistructs.h>
sl@0: #endif
sl@0: 
sl@0: _LIT(KTestFontName, "Non Functional Test Font");
sl@0: 
sl@0: 
sl@0: // Utility functions to show contents of test data using test.Printf
sl@0: 
sl@0: extern void PrintTestData (const TDesC& aTitle , const TDesC16& aDataBuffer);
sl@0: 
sl@0: extern void PrintTestData(const TDesC& aTitle, const TText16* aDataBuffer, const TInt aSize);
sl@0: 
sl@0: //
sl@0: //
sl@0: // CLineArray
sl@0: //
sl@0: //
sl@0: CLineArray::CLineArray() : iArrayIsEnabled(ETrue), iArray(0)
sl@0: 	{
sl@0: 	iPrev = iNext = this;
sl@0: 	}
sl@0: 
sl@0: void CLineArray::Null()
sl@0: 	{
sl@0: 	if (iNext == this && iArray)
sl@0: 		{
sl@0: 		iArray->Close();
sl@0: 		delete iArray;
sl@0: 		}
sl@0: 	iArray = 0;
sl@0: 	iPrev->iNext = iNext;
sl@0: 	iNext->iPrev = iPrev;
sl@0: 	iNext = iPrev = this;
sl@0: 	}
sl@0: 
sl@0: CLineArray::~CLineArray()
sl@0: 	{
sl@0: 	Null();
sl@0: 	}
sl@0: 
sl@0: void CLineArray::ConstructL(TInt aGranularity)
sl@0: 	{
sl@0: 	CLineArray::Null();
sl@0: 	iArray = new (ELeave) RArray<TTestGCDisplayLine>(aGranularity);
sl@0: 	}
sl@0: 
sl@0: void CLineArray::Copy(const CLineArray& aOther)
sl@0: 	{
sl@0: 	CLineArray::Null();
sl@0: 	iNext = &aOther;
sl@0: 	iPrev = aOther.iPrev;
sl@0: 	iPrev->iNext = this;
sl@0: 	aOther.iPrev = this;
sl@0: 	iArray = aOther.iArray;
sl@0: 	iArrayIsEnabled = aOther.iArrayIsEnabled;
sl@0: 	}
sl@0: 
sl@0: void CLineArray::ResetLineArray()
sl@0: 	{
sl@0: 	iArray->Reset();
sl@0: 	}
sl@0: 
sl@0: const TTestGCDisplayLine& CLineArray::Line(TInt aIndex)
sl@0: 	{
sl@0: 	return (*iArray)[aIndex];
sl@0: 	}
sl@0: 
sl@0: const TTestGCDisplayLine* CLineArray::Find(const TDesC& aText)
sl@0: 	{
sl@0: 	TInt count = LinesPresent();
sl@0: 	for (TInt i = 0; i != count; ++i)
sl@0: 		{		
sl@0: 		const TTestGCDisplayLine& line = Line(i);
sl@0: 		if (line.iLineData.Find(aText) != KErrNotFound)
sl@0: 			return &line;
sl@0: 		}
sl@0: 	return 0;
sl@0: 	}
sl@0: 
sl@0: void CLineArray::AddLineL(TTestGCDisplayLine& aLine)
sl@0: 	{
sl@0: 	if (iArrayIsEnabled)
sl@0: 		User::LeaveIfError(iArray->Append(aLine));
sl@0: 	}
sl@0: 
sl@0: TInt CLineArray::LinesPresent()
sl@0: 	{
sl@0: 	return iArray->Count();
sl@0: 	}
sl@0: 
sl@0: //
sl@0: //
sl@0: // CTestGraphicsDevice
sl@0: //
sl@0: //
sl@0: CTestGraphicsDevice* CTestGraphicsDevice::NewL(TSize aSizeInPixels, RWsSession* aWsSession)
sl@0: 	{
sl@0: 	CTestGraphicsDevice* r = aWsSession?
sl@0: 		new (ELeave) CTestGraphicsDevice(aSizeInPixels, aWsSession)
sl@0: 		: new (ELeave) CTestGraphicsDevice(aSizeInPixels);
sl@0: 	r->iLineArray.ConstructL(4);
sl@0: 	if (aWsSession && KErrNone != r->Construct())
sl@0: 		{
sl@0: 		delete r;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: CTestGraphicsDevice::CTestGraphicsDevice(TSize aSizeInPixels, RWsSession* aWsSession)
sl@0: 	: CWsScreenDevice(*aWsSession)
sl@0: 	{
sl@0: 	Set(aSizeInPixels);
sl@0: 	}
sl@0: 
sl@0: CTestGraphicsDevice::CTestGraphicsDevice(TSize aSizeInPixels)
sl@0: 	{
sl@0: 	Set(aSizeInPixels);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::Set(TSize aSizeInPixels)
sl@0: 	{
sl@0: 	iSize = aSizeInPixels;
sl@0: 	iHorizontalTwipsToPixels = 40;
sl@0: 	iVerticalTwipsToPixels = 40;
sl@0: 	iPalette.SetEntry(0, KRgbBlack);
sl@0: 	iPalette.SetEntry(1, KRgbWhite);
sl@0: 	iPalette.SetEntry(2, KRgbMagenta);
sl@0: 	iPalette.SetEntry(3, KRgbCyan);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::SetHorizontalTwipsToPixels(TInt aTwipsToPixels)
sl@0: 	{
sl@0: 	iHorizontalTwipsToPixels = aTwipsToPixels;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::SetVerticalTwipsToPixels(TInt aTwipsToPixels)
sl@0: 	{
sl@0: 	iVerticalTwipsToPixels = aTwipsToPixels;
sl@0: 	}
sl@0: 
sl@0: TDisplayMode CTestGraphicsDevice::DisplayMode() const
sl@0: 	{
sl@0: 	return EColor16M;
sl@0: 	}
sl@0: 
sl@0: TSize CTestGraphicsDevice::SizeInPixels() const
sl@0: 	{
sl@0: 	return iSize;
sl@0: 	}
sl@0: 
sl@0: TSize CTestGraphicsDevice::SizeInTwips() const
sl@0: 	{
sl@0: 	return TSize(iSize.iWidth * iHorizontalTwipsToPixels,
sl@0: 		iSize.iHeight * iVerticalTwipsToPixels);
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::CreateContext(CWindowGc*& aGC)
sl@0: 	{
sl@0: 	CTestGraphicsContext* r = new CTestGraphicsContext(this);
sl@0: 	if (!r)
sl@0: 		return KErrNoMemory;
sl@0: 	// only contruct if it is a fully-fledged Window Server thing
sl@0: 	if (iBuffer)
sl@0: 		r->Construct();
sl@0: 	aGC = r;
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::CreateContext(CGraphicsContext*& aGC)
sl@0: 	{
sl@0: 	CWindowGc* p;
sl@0: 	TInt r = CreateContext(p);
sl@0: 	aGC = p;
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::NumTypefaces() const
sl@0: 	{
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::TypefaceSupport(TTypefaceSupport& aTypefaceSupport, TInt aTypefaceIndex) const
sl@0: 	{
sl@0: 	// The only font we have at the moment is 10 pixels * 12 pixels for every character
sl@0: 	__ASSERT_ALWAYS(aTypefaceIndex == 0,
sl@0: 		CTestGraphicsContext::Panic(CTestGraphicsContext::ETypefaceIndexOutOfRange));
sl@0: 	aTypefaceSupport.iIsScalable = EFalse;
sl@0: 	aTypefaceSupport.iMaxHeightInTwips = iVerticalTwipsToPixels * 12;
sl@0: 	aTypefaceSupport.iMinHeightInTwips = iVerticalTwipsToPixels * 10;
sl@0: 	aTypefaceSupport.iNumHeights = 1;
sl@0: 	aTypefaceSupport.iTypeface.iName = KTestFontName;
sl@0: 	aTypefaceSupport.iTypeface.SetIsProportional(ETrue); // a bit of a lie
sl@0: 	aTypefaceSupport.iTypeface.SetIsSerif(EFalse);
sl@0: 	aTypefaceSupport.iTypeface.SetIsSymbol(EFalse);
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::FontHeightInTwips(TInt aTypefaceIndex, TInt aHeightIndex) const
sl@0: 	{
sl@0: 	// The only font we have at the moment is 10 pixels * 12 pixels for every character
sl@0: 	__ASSERT_ALWAYS(aTypefaceIndex == 0,
sl@0: 		CTestGraphicsContext::Panic(CTestGraphicsContext::ETypefaceIndexOutOfRange));
sl@0: 	return iVerticalTwipsToPixels * FontHeightInPixels(aTypefaceIndex, aHeightIndex);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::PaletteAttributes(TBool& aModifiable, TInt& aNumEntries) const
sl@0: 	{
sl@0: 	aModifiable = ETrue;
sl@0: 	aNumEntries = 4;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::SetPalette(CPalette* aPalette)
sl@0: 	{
sl@0: 	for (TInt i = 0; i != CTestPalette::KNumEntries; ++i)
sl@0: 		{
sl@0: 		TRgb col = aPalette->GetEntry(i);
sl@0: 		iPalette.SetEntry(i, col);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::GetPalette(CPalette*& aPalette) const
sl@0: 	{
sl@0: 	aPalette = const_cast<CTestPalette*>(&iPalette);
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::GetPixel(TRgb& aColor, const TPoint&) const
sl@0: 	{
sl@0: 	aColor = KRgbWhite;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::GetScanLine(TDes8&, const TPoint&, TInt, TDisplayMode) const
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(0, CTestGraphicsContext::Panic(CTestGraphicsContext::EUnimplemented));
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::AddFile(const TDesC&, TInt&)
sl@0: 	{
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::RemoveFile(TInt)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::GetNearestFontInPixels(CFont*& aFont, const TFontSpec&)
sl@0: 	{
sl@0: 	CTestFont* font = new CTestFont();
sl@0: 	if (!font)
sl@0: 		return KErrNoMemory;
sl@0: 	aFont = font;
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::FontHeightInPixels(TInt, TInt) const
sl@0: 	{
sl@0: 	return 12;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::HorizontalTwipsToPixels(TInt aTwips) const
sl@0: 	{
sl@0: 	return aTwips / iHorizontalTwipsToPixels;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::VerticalTwipsToPixels(TInt aTwips) const
sl@0: 	{
sl@0: 	return aTwips / iVerticalTwipsToPixels;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::HorizontalPixelsToTwips(TInt aPixels) const
sl@0: 	{
sl@0: 	return aPixels * iHorizontalTwipsToPixels;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::VerticalPixelsToTwips(TInt aPixels) const
sl@0: 	{
sl@0: 	return aPixels * iVerticalTwipsToPixels;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsDevice::GetNearestFontInTwips(CFont*& aFont, const TFontSpec& aFontSpec)
sl@0: 	{
sl@0: 	TFontSpec fontSpec = aFontSpec;
sl@0: 	fontSpec.iHeight = VerticalTwipsToPixels(fontSpec.iHeight);
sl@0: 	return GetNearestFontInPixels(aFont, fontSpec);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::ReleaseFont(CFont* aFont)
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(aFont->TypeUid() == TUid::Uid(12345),
sl@0: 		CTestGraphicsContext::Panic(CTestGraphicsContext::EUnknownFont));
sl@0: 	delete static_cast<CTestFont*>(aFont);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::AddRectToDrawnArea(const TRect& aRect, TBool aCondition)
sl@0: 	{
sl@0: 	// check if the drawing is on testing area
sl@0: 	if (!(iTestingArea.IsEmpty()) &&  	// if testing area has been set
sl@0: 		!iHasDrawnOnTestingArea)		// and nothing hasn't been drawn on it so far
sl@0: 		iHasDrawnOnTestingArea = iTestingArea.Intersects(aRect);
sl@0: 	
sl@0: 	if (iDrawnArea.IsEmpty())
sl@0: 		iDrawnArea = aRect;
sl@0: 	else
sl@0: 		iDrawnArea.BoundingRect(aRect);
sl@0: 	// only one condition at the moment
sl@0: 	if (aCondition)
sl@0: 		{
sl@0: 		if (iAreaDrawnWithCondition.IsEmpty())
sl@0: 			iAreaDrawnWithCondition = aRect;
sl@0: 		else
sl@0: 			iAreaDrawnWithCondition.BoundingRect(aRect);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::SetTestingArea(TRect& aTestingArea)
sl@0: 	{
sl@0: 	iTestingArea = aTestingArea;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsDevice::AddTestingArea(TRect& moreTestingArea)
sl@0: 	{
sl@0: 	if (iTestingArea.IsEmpty())
sl@0: 		iTestingArea = moreTestingArea;
sl@0: 	else
sl@0: 		iTestingArea.BoundingRect(moreTestingArea);
sl@0: 	}
sl@0: 
sl@0: //
sl@0: //
sl@0: // CTestGraphicsContext
sl@0: //
sl@0: //
sl@0: void CTestGraphicsContext::Panic(TInt aReason)
sl@0: 	{
sl@0: 	User::Panic(_L("CTestGC"), aReason);
sl@0: 	}
sl@0: 
sl@0: CTestGraphicsContext::CTestGraphicsContext(CTestGraphicsDevice* aGd)
sl@0: 	: CWindowGc(aGd), iGd(aGd), iDrawMode(EDrawModePEN), iPenSize(1,1)
sl@0: 	{
sl@0: 	iLineArray.Copy(aGd->LineArray());
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsContext::Construct()
sl@0: 	{
sl@0: 	return CWindowGc::Construct();
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::AddRectToDrawnArea(const TRect& aRect)
sl@0: 	{
sl@0: 	TRect drawnRect = aRect;
sl@0: 	drawnRect.Grow(iPenSize);
sl@0: 	iGd->AddRectToDrawnArea(drawnRect,
sl@0: 		iDrawMode == EDrawModeXOR || iDrawMode == EDrawModeNOTSCREEN);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::AddPointToDrawnArea(const TPoint& aPoint)
sl@0: 	{
sl@0: 	AddRectToDrawnArea(TRect(aPoint, iPenSize));
sl@0: 	}
sl@0: 
sl@0: CGraphicsDevice* CTestGraphicsContext::Device() const
sl@0: 	{
sl@0: 	return iGd;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetOrigin(const TPoint& aPos)
sl@0: 	{
sl@0: 	iOrigin = aPos;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetDrawMode(TDrawMode aDrawingMode)
sl@0: 	{
sl@0: 	iDrawMode = aDrawingMode;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetClippingRect(const TRect& /*aRect*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::CancelClippingRect()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsContext::SetClippingRegion(const TRegion& /*aRegion*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::CancelClippingRegion()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::Reset()
sl@0: 	{
sl@0: 	iDrawMode = EDrawModePEN;
sl@0: 	iFont = 0;
sl@0: 	iPenSize.iWidth = 1;
sl@0: 	iPenSize.iHeight = 1;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::UseFont(const CFont* aFont)
sl@0: 	{
sl@0: 	iFont = aFont;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DiscardFont()
sl@0: 	{
sl@0: 	iFont = 0;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetUnderlineStyle(TFontUnderline /*UnderlineStyle*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetStrikethroughStyle(TFontStrikethrough /*aStrikethroughStyle*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetWordJustification(TInt /*aExcessWidth*/,TInt /*aNumGaps*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetCharJustification(TInt /*aExcessWidth*/,TInt /*aNumChars*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetPenColor(const TRgb& aColor)
sl@0: 	{
sl@0: 	CPalette* palette;
sl@0: 	iGd->GetPalette(palette);
sl@0: 	iPenColorIndex = palette->NearestIndex(aColor);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetPenStyle(TPenStyle /*aPenStyle*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetPenSize(const TSize& aSize)
sl@0: 	{
sl@0: 	iPenSize = aSize;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetBrushColor(const TRgb& /*aColor*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetBrushStyle(TBrushStyle /*aBrushStyle*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetBrushOrigin(const TPoint& /*aOrigin*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::UseBrushPattern(const CFbsBitmap* /*aBitmap*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DiscardBrushPattern()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::MoveTo(const TPoint& aPoint)
sl@0: 	{
sl@0: 	iCurrentPos = iOrigin + aPoint;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::MoveBy(const TPoint& aVector)
sl@0: 	{
sl@0: 	iCurrentPos += aVector;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::Plot(const TPoint& aPoint)
sl@0: 	{
sl@0: 	iCurrentPos = iOrigin + aPoint;
sl@0: 	AddPointToDrawnArea(iCurrentPos);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawArc(const TRect& aRect,const TPoint& /*aStart*/,const TPoint& aEnd)
sl@0: 	{
sl@0: 	TRect r = aRect;
sl@0: 	r.Move(iOrigin);
sl@0: 	AddRectToDrawnArea(r);
sl@0: 	iCurrentPos = iOrigin + aEnd;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawLine(const TPoint& aPoint1,const TPoint& aPoint2)
sl@0: 	{
sl@0: 	AddPointToDrawnArea(iOrigin + aPoint1);
sl@0: 	iCurrentPos = iOrigin + aPoint2;
sl@0: 	AddPointToDrawnArea(iCurrentPos);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawLineTo(const TPoint& aPoint)
sl@0: 	{
sl@0: 	AddPointToDrawnArea(iCurrentPos);
sl@0: 	iCurrentPos = iOrigin + aPoint;
sl@0: 	AddPointToDrawnArea(iCurrentPos);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawLineBy(const TPoint& aVector)
sl@0: 	{
sl@0: 	AddPointToDrawnArea(iCurrentPos);
sl@0: 	iCurrentPos += aVector;
sl@0: 	AddPointToDrawnArea(iCurrentPos);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawPolyLine(const CArrayFix<TPoint>* aPointList)
sl@0: 	{
sl@0: 	TInt num = aPointList->Count();
sl@0: 	while (num--)
sl@0: 		{
sl@0: 		iCurrentPos = iOrigin + (*aPointList)[num - 1];
sl@0: 		AddPointToDrawnArea(iCurrentPos);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawPolyLine(const TPoint* aPointList,TInt aNumPoints)
sl@0: 	{
sl@0: 	while (aNumPoints--)
sl@0: 		{
sl@0: 		iCurrentPos = iOrigin + aPointList[aNumPoints - 1];
sl@0: 		AddPointToDrawnArea(iCurrentPos);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawPie(const TRect& aRect,
sl@0: 	const TPoint& /*aStart*/, const TPoint& aEnd)
sl@0: 	{
sl@0: 	TRect r = aRect;
sl@0: 	r.Move(iOrigin);
sl@0: 	AddRectToDrawnArea(r);
sl@0: 	iCurrentPos = iOrigin + aEnd;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawEllipse(const TRect& aRect)
sl@0: 	{
sl@0: 	TRect r = aRect;
sl@0: 	r.Move(iOrigin);
sl@0: 	AddRectToDrawnArea(r);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawRect(const TRect& aRect)
sl@0: 	{
sl@0: 	TRect r = aRect;
sl@0: 	r.Move(iOrigin);
sl@0: 	AddRectToDrawnArea(r);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawRoundRect(const TRect& aRect,const TSize& aCornerSize)
sl@0: 	{
sl@0: 	TRect r = aRect;
sl@0: 	r.Move(iOrigin);
sl@0: 	r.Grow(aCornerSize);
sl@0: 	AddRectToDrawnArea(r);
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsContext::DrawPolygon(const CArrayFix<TPoint>* aPointList,TFillRule /*aFillRule*/)
sl@0: 	{
sl@0: 	TInt num = aPointList->Count();
sl@0: 	while (num--)
sl@0: 		{
sl@0: 		iCurrentPos = iOrigin + (*aPointList)[num - 1];
sl@0: 		AddPointToDrawnArea(iCurrentPos);
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsContext::DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule /*aFillRule*/)
sl@0: 	{
sl@0: 	while (aNumPoints--)
sl@0: 		{
sl@0: 		iCurrentPos = iOrigin + aPointList[aNumPoints - 1];
sl@0: 		AddPointToDrawnArea(iCurrentPos);
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawBitmap(const TPoint& /*aTopLeft*/,const CFbsBitmap* /*aSource*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawBitmap(const TRect& /*aDestRect*/,const CFbsBitmap* /*aSource*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawBitmap(const TRect& /*aDestRect*/,const CFbsBitmap* /*aSource*/,const TRect& /*aSourceRect*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawText(const TDesC& aText, const TPoint& aPosition)
sl@0: 	{
sl@0: #ifdef PRINT_DRAWTEXT_LINES
sl@0: 
sl@0: 	_LIT(KDrawTextTitle, "Text being drawn");
sl@0: 		PrintTestData(KDrawTextTitle, aText);
sl@0: 
sl@0: #endif /* PRINT_DRAWTEXT_LINES */
sl@0: 	
sl@0: 	TTestGCDisplayLine thisLine;
sl@0: 	thisLine.Set(aPosition, aText);
sl@0: 	iLineArray.AddLineL(thisLine);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawText(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,
sl@0: 	TTextAlign /*aAlignment*/, TInt aLeftMargin)
sl@0: 	{
sl@0: 	TPoint pos(aBox.iBr.iX + aLeftMargin, aBox.iTl.iY + aBaselineOffset);
sl@0: 	pos += iOrigin;
sl@0: 	DrawText(aText, pos);
sl@0: 	}
sl@0: 	
sl@0: void CTestGraphicsContext::DrawText(const TDesC& aText,TTextParameters* aParam, const TPoint& aPosition)
sl@0: 	{
sl@0: #ifdef PRINT_DRAWTEXT_LINES
sl@0: 
sl@0: 	_LIT(KDrawTextTitle, "Text being drawn");
sl@0: 		PrintTestData(KDrawTextTitle, aText);
sl@0: 
sl@0: #endif /* PRINT_DRAWTEXT_LINES */
sl@0: 
sl@0: 	//Avoid crash by ASSERT in BitGdi DrawText function
sl@0: 	__ASSERT_ALWAYS(aParam->iStart < aParam->iEnd,
sl@0: 		CTestGraphicsContext::Panic(CTestGraphicsContext::EErrorParameter));
sl@0: 	
sl@0: 	TTestGCDisplayLine thisLine;
sl@0: 	TPtrC actualText = aText.Mid(aParam->iStart,aParam->iEnd - aParam->iStart + 1);
sl@0: 	thisLine.Set(aPosition, actualText);
sl@0: 	iLineArray.AddLineL(thisLine);
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::DrawText(const TDesC& aText,TTextParameters* aParam,const TRect& aBox,TInt aBaselineOffset,
sl@0: 	TTextAlign /*aAlignment*/, TInt aLeftMargin)
sl@0: 	{
sl@0: 	TPoint pos(aBox.iBr.iX + aLeftMargin, aBox.iTl.iY + aBaselineOffset);
sl@0: 	pos += iOrigin;
sl@0: 	DrawText(aText,aParam, pos);
sl@0: 	}
sl@0: 
sl@0: TInt CTestGraphicsContext::APIExtension(TUid aUid, TAny*& aOutput, TAny* aInput)
sl@0: 	{
sl@0: 	if (aUid == KDrawTextInContextUid)
sl@0: 		{
sl@0: 		TDrawTextInContextInternal* contextParam = (TDrawTextInContextInternal*)aInput;
sl@0: 		DrawText(contextParam->iText, &contextParam->iParam, contextParam->iPosition);
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	else if (aUid == KDrawBoxTextInContextUid)
sl@0: 		{
sl@0: 		TDrawTextInContextInternal* contextParam = (TDrawTextInContextInternal*)aInput;
sl@0: 		DrawText(contextParam->iText,&contextParam->iParam,contextParam->iBox,contextParam->iBaselineOffset,contextParam->iAlign,contextParam->iMargin);
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	// Future cases may be placed here later
sl@0: 	else
sl@0: 		return CWindowGc::APIExtension(aUid, aOutput, aInput);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CTestGraphicsContext::Clear()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::Clear(const TRect& /*aRect*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::CopyRect(const TPoint& /*aOffset*/, const TRect& /*aRect*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::BitBlt(const TPoint& /*aPoint*/, const CFbsBitmap* /*aBitmap*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::BitBlt(const TPoint& /*aPoint*/, const CFbsBitmap* /*aBitmap*/,
sl@0: 	const TRect& /*aRect*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::BitBltMasked(const TPoint& /*aPoint*/, const CFbsBitmap* /*aBitmap*/,
sl@0: 	const TRect& /*aSourceRect*/, const CFbsBitmap* /*aMaskBitmap*/, TBool /*aInvertMask*/)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetFaded(TBool)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CTestGraphicsContext::SetFadingParameters(TUint8,TUint8)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: //
sl@0: //
sl@0: // CTestFont
sl@0: //
sl@0: //
sl@0: inline TBool IsSurrogate(TText a) { return 0xD800 == (a & 0xF800); }
sl@0: inline TBool IsHighSurrogate(TText a) { return 0xD800 == (a & 0xFC00); }
sl@0: inline TBool IsLowSurrogate(TText a) { return 0xDC00 == (a & 0xFC00); }
sl@0: inline TChar PairSurrogates(TText aHigh, TText aLow)
sl@0: 	{
sl@0: 	return ((aHigh - 0xd7f7) << 10) + aLow;
sl@0: 	}
sl@0: 
sl@0: TUid CTestFont::DoTypeUid() const
sl@0: 	{
sl@0: 	return TUid::Uid(12345);
sl@0: 	}
sl@0: 
sl@0: TInt CTestFont::DoHeightInPixels() const
sl@0: 	{
sl@0: 	return 12;
sl@0: 	}
sl@0: 
sl@0: TInt CTestFont::DoAscentInPixels() const
sl@0: 	{
sl@0: 	return 10;
sl@0: 	}
sl@0: 
sl@0: struct TSpecialSizes
sl@0: 	{
sl@0: 	TInt iCharacter;
sl@0: 	TInt iWidth;
sl@0: 	};
sl@0: 
sl@0: static const TSpecialSizes KSpecialSizes[] =
sl@0: 	{
sl@0: 	{ CTestFont::KThreePerEmSpace, 3 },
sl@0: 	{ CTestFont::KThinSpace, 2 },
sl@0: 	{ CTestFont::KHairSpace, 1 },
sl@0: 	{ CTestFont::KZeroWidthSpace, 0 },
sl@0: 	{ CTestFont::KZeroWidthNoBreakSpace, 0 },
sl@0: 	};
sl@0: 
sl@0: TInt CTestFont::DoCharWidthInPixels(TChar aChar) const
sl@0: 	{
sl@0: 	TInt cn = aChar;
sl@0: 	// non-characters 0x??FFFE and 0x??FFFF
sl@0: 	if ((cn & 0xFFFE) == 0xFFFE)
sl@0: 		return 0;
sl@0: 
sl@0: 	// Find character in the special sizes table
sl@0: 	TInt first = 0;
sl@0: 	TInt last = sizeof(KSpecialSizes)/sizeof(KSpecialSizes[0]);
sl@0: 	while (first != last)
sl@0: 		{
sl@0: 		TInt c = static_cast<TInt>(aChar);
sl@0: 		TInt mid = (first + last) >> 1;
sl@0: 		if (c < KSpecialSizes[mid].iCharacter)
sl@0: 			last = mid;
sl@0: 		else if (KSpecialSizes[mid].iCharacter < c)
sl@0: 			first = mid + 1;
sl@0: 		else
sl@0: 			return KSpecialSizes[mid].iWidth;
sl@0: 		}
sl@0: 
sl@0: 	return 10;
sl@0: 	}
sl@0: 
sl@0: TInt CTestFont::DoTextCount(const TDesC& aText, TInt aWidthInPixels,
sl@0: 	TInt& aExcessWidthInPixels) const
sl@0: 	{
sl@0: 	const TText* p = &aText[0];
sl@0: 	const TText* pEnd = p + aText.Length();
sl@0: 	TInt total = 0;
sl@0: 	TInt prevSurrogate = 0;
sl@0: 	TInt charactersThatFit = 0;
sl@0: 	while (p != pEnd)
sl@0: 		{
sl@0: 		TChar c = *p;
sl@0: 		if (IsSurrogate(*p))
sl@0: 			{
sl@0: 			c = 0xFFFF;
sl@0: 			if (IsHighSurrogate(*p))
sl@0: 				prevSurrogate = *p;
sl@0: 			else if (prevSurrogate != 0)
sl@0: 				{
sl@0: 				c = PairSurrogates(static_cast<TText>(prevSurrogate), *p);
sl@0: 				prevSurrogate = 0;
sl@0: 				}
sl@0: 			}
sl@0: 		else
sl@0: 			prevSurrogate = 0;
sl@0: 		total += CharWidthInPixels(c);
sl@0: 		if (total <= aWidthInPixels)
sl@0: 			++charactersThatFit;
sl@0: 		++p;
sl@0: 		}
sl@0: 	aExcessWidthInPixels = total - aWidthInPixels;
sl@0: 	return charactersThatFit;
sl@0: 	}
sl@0: 
sl@0: TInt CTestFont::DoTextWidthInPixels(const TDesC& aText) const
sl@0: 	{
sl@0: 	TInt excess;
sl@0: 	TextCount(aText, 0, excess);
sl@0: 	return excess;
sl@0: 	}
sl@0: 
sl@0: TInt CTestFont::DoBaselineOffsetInPixels() const
sl@0: 	{
sl@0: 	return 10;
sl@0: 	}
sl@0: 
sl@0: TInt CTestFont::DoTextCount(const TDesC& aText,TInt aWidthInPixels) const
sl@0: 	{
sl@0: 	TInt excess;
sl@0: 	return TextCount(aText, aWidthInPixels, excess);
sl@0: 	}
sl@0: 
sl@0: TInt CTestFont::DoMaxCharWidthInPixels() const
sl@0: 	{
sl@0: 	return 10;
sl@0: 	}
sl@0: 
sl@0: TInt CTestFont::DoMaxNormalCharWidthInPixels() const
sl@0: 	{
sl@0: 	return 10;
sl@0: 	}
sl@0: 
sl@0: TFontSpec CTestFont::DoFontSpecInTwips() const
sl@0: 	{
sl@0: 	return TFontSpec(KTestFontName, 12);
sl@0: 	}
sl@0:  
sl@0: CFont::TCharacterDataAvailability 
sl@0: CTestFont::DoGetCharacterData(TUint aCode, TOpenFontCharMetrics& aMetrics,
sl@0: 	const TUint8*& aBitmap, TSize& aBitmapSize) const
sl@0: 	{
sl@0: 	TInt width;
sl@0: 	switch (aCode)
sl@0: 		{
sl@0: 	case 0x001B:
sl@0: 		// ESC character should cause this fault; no character data available.
sl@0: 		return CFont::ENoCharacterData;
sl@0: 	case 'W':
sl@0: 		// We want 'W' to have side-bearings
sl@0: 		CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize);
sl@0: 		width = aMetrics.Width();
sl@0: 		aMetrics.SetHorizBearingX(-1);
sl@0: 		aMetrics.SetWidth(width + 2);
sl@0: 		return CFont::ECharacterWidthOnly ;
sl@0: 	case '/':
sl@0: 		// We want / to have a left side-bearing
sl@0: 		CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize);
sl@0: 		width = aMetrics.Width();
sl@0: 		aMetrics.SetHorizBearingX(-1);
sl@0: 		aMetrics.SetWidth(width + 1);
sl@0: 		return CFont::ECharacterWidthOnly ;
sl@0: 	case 'D':
sl@0: 		// We want 'D' to have a left side-bearing only
sl@0: 		CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize);
sl@0: 		aMetrics.SetHorizBearingX(-1);
sl@0: 		return CFont::ECharacterWidthOnly ;
sl@0: 	case KTav:
sl@0: 		// We want Hebrew Tav to have a +ve left side-bearing
sl@0: 		CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize);
sl@0: 		aMetrics.SetHorizBearingX(1);
sl@0: 		return CFont::ECharacterWidthOnly ;
sl@0: 	case KFullWidthSolidus:
sl@0: 		// We want fw/ to have a right side-bearing
sl@0: 		CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize);
sl@0: 		width = aMetrics.Width();
sl@0: 		aMetrics.SetWidth(width + 1);
sl@0: 		return CFont::ECharacterWidthOnly ;
sl@0: 	case KArabicWaw:
sl@0: 		// Arabic Waw-- has massive left side-bearing
sl@0: 		CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize);
sl@0: 		width = aMetrics.Width();
sl@0: 		aMetrics.SetHorizBearingX(-5);
sl@0: 		aMetrics.SetWidth(width + 5);
sl@0: 		return CFont::ECharacterWidthOnly ;
sl@0: 	default:
sl@0: 		return CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize);
sl@0: 		}
sl@0: 	}
sl@0: