graphicstest/graphicstestharness/textendedbitmapgc/textendedbitmapgc.cpp
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicstest/graphicstestharness/textendedbitmapgc/textendedbitmapgc.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,594 @@
+// Copyright (c) 2008-2009 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:
+//
+
+#include "textendedbitmapgc.h"
+#include <s32mem.h>
+
+const TInt KNumBitmapDrawingTests = 10;
+const TInt KNumBrushPatternTests = 8;
+const TUid KUidExampleExtendedBitmap = {0x10285A78};
+
+/** Constructor.
+@param aCallBack Pointer to a valid implementation of MTestHarnessCallBack, to allow logging and 
+test status requests to be passed back to the creator of a CTExtendedBitmapGc object.
+@param aGc A graphics context to use for all drawing operations.
+@param aDrawMode The mode to draw extended bitmaps in, either EDrawFlag or EDrawWhite.
+@param aDisplayMode The display mode to use when creating extended bitmaps, this
+must be one of EGray256, EColor64K, EColor16MU or EColor16MAP.
+@return a pointer to a newly constructed CTExtendedBitmapGc object. 
+@leave KErrNotSupported if an unsupported display mode is passed in aDisplayMode.
+ */
+EXPORT_C CTExtendedBitmapGc* CTExtendedBitmapGc::NewL(MTestHarnessCallBack* aCallBack, 
+												CBitmapContext& aGc, 
+												TDrawMode aDrawMode,
+												TDisplayMode aDisplayMode)
+	{	
+	CTExtendedBitmapGc* ebgc = new(ELeave) CTExtendedBitmapGc(aCallBack, aGc, aDrawMode);
+	CleanupStack::PushL(ebgc);
+	ebgc->ConstructL(aDisplayMode);
+	CleanupStack::Pop(ebgc);
+	return ebgc;
+	}
+
+CTExtendedBitmapGc::CTExtendedBitmapGc(MTestHarnessCallBack* aCallBack, 
+										CBitmapContext& aGc, 
+										TDrawMode aDrawMode) :
+iCallBack(aCallBack), iDrawMode(aDrawMode), iGc(aGc), iIsFbs(aGc.IsFbsBitGc())
+	{
+	}
+
+void CTExtendedBitmapGc::ConstructL(TDisplayMode aDisplayMode)
+
+	{	
+	// Check that the display mode chosen is supported by the example rasterizer
+	if ((aDisplayMode != EGray256) && (aDisplayMode != EColor64K) && (aDisplayMode != EColor16MU) && (aDisplayMode != EColor16MAP))
+		{
+		INFO_PRINTF2(_L("Failed to construct CTExtendedBitmapGc with unsupported display mode %d"), aDisplayMode);
+		User::Leave(KErrNotSupported);
+		}
+	iDisplayMode = aDisplayMode; 
+	
+	// Get a font for use with the DrawText() and DrawTextVertical() tests
+	_LIT(KFontName, "DejaVu Sans Condensed");
+	TFontSpec fontSpec(KFontName, 75);
+	fontSpec.iFontStyle.SetBitmapType(EAntiAliasedGlyphBitmap);
+	iCallBack->TestTrue(KErrNone == static_cast<CBitmapDevice*>(iGc.Device())->GetNearestFontToDesignHeightInPixels(iFont, fontSpec));
+	iGc.UseFont(iFont);
+	}
+
+EXPORT_C CTExtendedBitmapGc::~CTExtendedBitmapGc()
+	{
+	if(iFont)
+		{
+		iGc.DiscardFont();
+		static_cast<CBitmapDevice*>(iGc.Device())->ReleaseFont(iFont);
+		}
+	}
+
+/** Test case calling function used to test drawing of Extended Bitmaps on graphics contexts.
+Utilised by GRAPHICS-BITGDI-0103 to test with CFbsBitGc, and by GRAPHICS-WSERV-0493 with CWindowGc.
+@param aCaseNumber Case number to run
+ */
+EXPORT_C void CTExtendedBitmapGc::RunTestCaseL(TInt aCurTestCase)
+	{
+	--aCurTestCase;
+	switch(aCurTestCase / KNumBitmapDrawingTests)
+		{
+	case 0:
+		TestBitmapDrawingL(EFalse, EVerticalStripe, aCurTestCase % KNumBitmapDrawingTests);	
+		break;
+	case 1:
+		TestBitmapDrawingL(EFalse, EHorizontalStripe, aCurTestCase % KNumBitmapDrawingTests);	
+		break;
+	case 2:
+		TestBitmapDrawingL(ETrue, EVerticalStripe, aCurTestCase % KNumBitmapDrawingTests);	
+		break;
+	case 3:
+		TestBitmapDrawingL(ETrue, EHorizontalStripe, aCurTestCase % KNumBitmapDrawingTests);	
+		break;
+	default:
+		{
+		TInt brushCase = aCurTestCase - (4 * KNumBitmapDrawingTests);
+		if(brushCase < KNumBrushPatternTests)
+			{
+			TestBrushPatternL(brushCase);
+			}
+		else
+			{
+			// Finished tests
+			iCallBack->TestComplete();
+			}
+		}
+		}
+	}
+
+/** Test case function used to test drawing of Extended Bitmaps on graphics contexts.
+Utilised by GRAPHICS-BITGDI-0103 to test with CFbsBitGc, and by GRAPHICS-WSERV-0493 with CWindowGc.
+@param aTestRegionOfInterest ETrue if to set a region of interest before drawing, EFalse not to
+@param aStripeStyle Direction to draw the flag stripes, when rasterizer is present
+@param aCaseNumber Case number to run - between 0 and (KNumBitmapDrawingTests - 1)
+ */
+void CTExtendedBitmapGc::TestBitmapDrawingL(TBool aTestRegionOfInterest, TStripeStyle aStripeStyle, TInt aCaseNumber)
+	{
+	_LIT(KVertical, "vertical");
+	_LIT(KHorizontal, "horizontal");	
+	_LIT(KRegionNotSet, "not set");
+	_LIT(KRegionSet, "set");
+	const TPtrC KStripeStyle[2] = {KVertical(), KHorizontal()};
+	const TPtrC KRegionStyle[2] = {KRegionNotSet(), KRegionSet()};
+	const TInt KNumColors = 3;
+	const TRgb KColors[KNumColors] = {TRgb(0,255,255), TRgb(255,0,255), TRgb(255,255,0)};
+
+	const TRgb KMaskColors[KNumColors] = {KRgbBlack, KRgbWhite, KRgbBlack};
+	const TRgb KAlphaColors[KNumColors] = {KRgbDarkGray, KRgbGray, KRgbDarkGray};
+	const TStripeStyle KMaskBitmapStripeStyle = EVerticalStripe;
+	const TStripeStyle KAlphaBitmapStripeStyle = EHorizontalStripe;
+
+	TInt dataSize = sizeof(KColors)+sizeof(TUint8); // estimate the data size
+	TUint8* data = new(ELeave) TUint8[dataSize];
+	CleanupStack::PushL(data);
+	
+	const TSize scrSize = iGc.Device()->SizeInPixels();	
+
+	// Decide what size the bitmaps should be
+	TRect extendedRect;
+	extendedRect.SetRect(10,10,(scrSize.iWidth>>1)-10,scrSize.iHeight-10);
+	TRect standardRect(extendedRect);
+	standardRect.Move(scrSize.iWidth>>1,0);
+	const TSize sizeInPixels(extendedRect.Width(),extendedRect.Height());
+
+	// Rects used for scaling tests
+	TRect scaledExtendedRect = extendedRect;
+	scaledExtendedRect.SetWidth(sizeInPixels.iWidth*3/4);
+	scaledExtendedRect.SetHeight(sizeInPixels.iHeight*3/5);
+	TRect scaledStandardRect = standardRect;
+	scaledStandardRect.SetWidth(sizeInPixels.iWidth*3/4);
+	scaledStandardRect.SetHeight(sizeInPixels.iHeight*3/5);
+
+	// Positions for drawing extended and normal bitmaps
+	TPoint bmpExPos(10,10);
+	TPoint bmpNmlPos(10+(scrSize.iWidth>>1),10);
+
+	// Use black and white vertical stripes as the data for the mask
+	WriteExtendedBitmapInfoL(data, dataSize, KMaskColors, KMaskBitmapStripeStyle);
+
+	// Create an extended bitmap to use as a mask
+	CFbsBitmap* bmpMaskEx = new(ELeave) CFbsBitmap;
+	CleanupStack::PushL(bmpMaskEx);
+	TInt err = bmpMaskEx->CreateExtendedBitmap(sizeInPixels, iDisplayMode, KUidExampleExtendedBitmap, data, dataSize);
+	iCallBack->TestTrue(err == KErrNone);
+
+	// Create a normal mask bitmap to use when testing the extended mask bitmap above
+	CFbsBitmap* bmpMaskNml;
+	CreateTestBitmapLC(bmpMaskNml, sizeInPixels, iDisplayMode, KRgbBlack, KRgbWhite, KRgbBlack, KMaskBitmapStripeStyle);
+
+	// Use dark grey and grey horizontal stripes as the data for the alpha bitmap
+	WriteExtendedBitmapInfoL(data, dataSize, KAlphaColors, KAlphaBitmapStripeStyle);
+
+	// Create an EGray256 extended bitmap to use when alpha blending
+	CFbsBitmap* bmpAlphaEx = new(ELeave) CFbsBitmap;
+	CleanupStack::PushL(bmpAlphaEx);
+	err = bmpAlphaEx->CreateExtendedBitmap(sizeInPixels, EGray256, KUidExampleExtendedBitmap, data, dataSize);
+	iCallBack->TestTrue(err == KErrNone);
+
+	// Create a normal EGray256 alpha bitmap to use when testing the extended alpha bitmap above
+	CFbsBitmap* bmpAlphaNml;
+	CreateTestBitmapLC(bmpAlphaNml, sizeInPixels, EGray256, KRgbDarkGray, KRgbGray, KRgbDarkGray, KAlphaBitmapStripeStyle);
+
+	// Create a clipping region and a clipping rect, making sure the shape of the region
+	// that is set is the same on both sides of the screen
+	const TInt KStripeSize = ((scrSize.iWidth>=300)&&(scrSize.iHeight>=100))?50:30;
+	TRegionFix<8> clippingRegion;
+	clippingRegion.AddRect(TRect(TPoint(0,0), TSize(scrSize.iWidth,KStripeSize)));
+	clippingRegion.AddRect(TRect(TPoint(0,scrSize.iHeight>>1), TSize(scrSize.iWidth,KStripeSize)));
+	clippingRegion.AddRect(TRect(TPoint(KStripeSize,0), TSize(KStripeSize<<1,scrSize.iHeight)));
+	clippingRegion.AddRect(TRect(TPoint((scrSize.iWidth>>1)+KStripeSize,0), TSize(KStripeSize<<1,scrSize.iHeight)));
+	iCallBack->TestTrue(clippingRegion.CheckError() == EFalse);
+	TRect clippingRect(TPoint(0,KStripeSize>>1), TSize(scrSize.iWidth,scrSize.iHeight-KStripeSize));
+
+	// Write the colours to be used in the extended bitmap to the extended bitmap data,
+	// we run the tests one with horizontal stripes and once with vertical stripes
+	WriteExtendedBitmapInfoL(data, dataSize, KColors, aStripeStyle);
+
+	// Create an extended bitmap
+	CFbsBitmap* bmpEx = new(ELeave) CFbsBitmap;
+	CleanupStack::PushL(bmpEx);
+	err = bmpEx->CreateExtendedBitmap(sizeInPixels, iDisplayMode, KUidExampleExtendedBitmap, data, dataSize);
+	iCallBack->TestTrue(err == KErrNone);
+
+	// Create a normal bitmap to use when testing the extended bitmap above
+	CFbsBitmap* bmpNml;
+	CreateTestBitmapLC(bmpNml, sizeInPixels, iDisplayMode, KColors[0], KColors[1], KColors[2], aStripeStyle);
+
+	// Clear to red
+	iGc.SetBrushColor(KRgbRed);
+	iGc.Clear();
+
+	if (aTestRegionOfInterest)
+		{
+		iGc.SetClippingRegion(clippingRegion);
+		iGc.SetClippingRect(clippingRect);
+		}
+
+	// Draw the extended bitmap(s) on the left side of the screen and the normal bitmap(s) on the
+	// right side of the screen in each case
+	switch (aCaseNumber)
+		{
+		case 0:
+			{
+			INFO_PRINTF3(_L("Stripe style %S. Region of interest %S"), &KStripeStyle[aStripeStyle], &KRegionStyle[aTestRegionOfInterest]);
+			INFO_PRINTF1(_L("... BitBlt()"));
+			iGc.BitBlt(bmpExPos, bmpEx);
+			iGc.BitBlt(bmpNmlPos, bmpNml);
+			break;
+			}
+		case 1:
+			{
+			INFO_PRINTF1(_L("... BitBltMasked()"));
+			iGc.BitBltMasked(bmpExPos, bmpEx, sizeInPixels, bmpMaskEx, EFalse);
+			iGc.BitBltMasked(bmpNmlPos, bmpNml, sizeInPixels, bmpMaskNml, EFalse);
+			break;
+			}
+		case 2:
+			{
+			INFO_PRINTF1(_L("... DrawBitmap()"));
+			iGc.DrawBitmap(extendedRect, bmpEx);
+			iGc.DrawBitmap(standardRect, bmpNml);
+			break;
+			}
+		case 3:
+			{
+			INFO_PRINTF1(_L("... DrawBitmap() with scaling"));
+			iGc.DrawBitmap(scaledExtendedRect, bmpEx);
+			iGc.DrawBitmap(scaledStandardRect, bmpNml);
+			break;
+			}
+		case 4:
+			{
+			INFO_PRINTF1(_L("... DrawBitmapMasked()"));
+			iGc.DrawBitmapMasked(extendedRect, bmpEx, sizeInPixels, bmpMaskEx, EFalse);
+			iGc.DrawBitmapMasked(standardRect, bmpNml, sizeInPixels, bmpMaskNml, EFalse);
+			break;
+			}
+		case 5:
+			{
+			INFO_PRINTF1(_L("... DrawBitmapMasked() with scaling"));
+			iGc.DrawBitmapMasked(scaledExtendedRect, bmpEx, sizeInPixels, bmpMaskEx, EFalse);
+			iGc.DrawBitmapMasked(scaledStandardRect, bmpNml, sizeInPixels, bmpMaskNml, EFalse);
+			break;
+			}
+		case 6:
+			{
+			if(iIsFbs)
+				{
+				CFbsBitGc& fbsGc = static_cast<CFbsBitGc&>(iGc);
+				INFO_PRINTF1(_L("... AlphaBlendBitmaps() - 1"));
+				iCallBack->TestTrue(fbsGc.AlphaBlendBitmaps(bmpExPos, bmpEx, bmpMaskEx, sizeInPixels, TPoint(0,0), bmpAlphaEx, TPoint(0,0)) == KErrNone);
+				iCallBack->TestTrue(fbsGc.AlphaBlendBitmaps(bmpNmlPos, bmpNml, bmpMaskNml, sizeInPixels, TPoint(0,0), bmpAlphaNml, TPoint(0,0)) == KErrNone);
+				}
+			break;
+			}
+		case 7:
+			{
+			if(iIsFbs)
+				{
+				CFbsBitGc& fbsGc = static_cast<CFbsBitGc&>(iGc);
+				INFO_PRINTF1(_L("... AlphaBlendBitmaps() - 1 with offset"));
+				iCallBack->TestTrue(fbsGc.AlphaBlendBitmaps(bmpExPos, bmpEx, bmpMaskEx, TSize(sizeInPixels.iWidth-5, sizeInPixels.iHeight-10), TPoint(5,10), bmpAlphaEx, TPoint(3,2)) == KErrNone);
+				iCallBack->TestTrue(fbsGc.AlphaBlendBitmaps(bmpNmlPos, bmpNml, bmpMaskNml, TSize(sizeInPixels.iWidth-5, sizeInPixels.iHeight-10), TPoint(5,10), bmpAlphaNml, TPoint(3,2)) == KErrNone);
+				}
+			break;
+			}
+		case 8:
+			{
+			INFO_PRINTF1(_L("... AlphaBlendBitmaps() - 2"));
+			iCallBack->TestTrue(iGc.AlphaBlendBitmaps(bmpExPos, bmpEx, sizeInPixels, bmpAlphaEx, TPoint(0,0)) == KErrNone);
+			iCallBack->TestTrue(iGc.AlphaBlendBitmaps(bmpNmlPos, bmpNml, sizeInPixels, bmpAlphaNml, TPoint(0,0)) == KErrNone);
+			break;
+			}
+		case 9:
+			{
+			INFO_PRINTF1(_L("... AlphaBlendBitmaps() - 2 with offset"));
+			iCallBack->TestTrue(iGc.AlphaBlendBitmaps(bmpExPos, bmpEx, TSize(sizeInPixels.iWidth-16, sizeInPixels.iHeight-7), bmpAlphaEx, TPoint(16,7)) == KErrNone);
+			iCallBack->TestTrue(iGc.AlphaBlendBitmaps(bmpNmlPos, bmpNml, TSize(sizeInPixels.iWidth-16, sizeInPixels.iHeight-7), bmpAlphaNml, TPoint(16,7)) == KErrNone);
+			break;
+			}
+		default:
+			{
+			// Should not be reached
+			iCallBack->TestTrue(EFalse);
+			}
+			break;
+		}
+
+	if (aTestRegionOfInterest)
+		{
+		// Cancel clipping rectangle and region if necessary
+		iGc.CancelClippingRegion();
+		iGc.CancelClippingRect();
+		}
+		
+	CleanupStack::PopAndDestroy(7, data);
+	}
+
+/** Test case function used to test the use of Extended Bitmaps as brush patterns within graphics contexts.
+Utilised by GRAPHICS-BITGDI-0103 to test with CFbsBitGc, and by GRAPHICS-WSERV-0493 with CWindowGc.
+@param aCaseNumber Case number to run - between 0 and (KNumBrushPatternTests - 1)
+ */
+void CTExtendedBitmapGc::TestBrushPatternL(TInt aCaseNumber)
+	{	
+	const TInt KNumColors = 3;
+	const TRgb KColors[KNumColors] = {TRgb(0,255,255), TRgb(255,0,255), TRgb(255,255,0)};
+	const TSize KBrushSize(63,63);		
+	TInt dataSize = sizeof(KColors)+sizeof(TUint8); // estimate the data size
+	TUint8* data = new(ELeave) TUint8[dataSize];
+	CleanupStack::PushL(data);	
+	
+	// Write the colours to be used in the extended bitmap to the data	
+	WriteExtendedBitmapInfoL(data, dataSize, KColors, EHorizontalStripe);	
+	
+	// Create the extended bitmap to be used a a brush
+	CFbsBitmap* extendedBmp = new(ELeave) CFbsBitmap;
+	CleanupStack::PushL(extendedBmp);
+	TInt err = extendedBmp->CreateExtendedBitmap(KBrushSize, iDisplayMode, KUidExampleExtendedBitmap, data, dataSize);
+	iCallBack->TestTrue(err == KErrNone);
+	
+	// Create the standard bitmap to also be used as a brush
+	CFbsBitmap* standardBmp = new(ELeave) CFbsBitmap;
+	CleanupStack::PushL(standardBmp);
+	err = standardBmp->Create(KBrushSize, iDisplayMode);
+	iCallBack->TestTrue(err == KErrNone);
+	
+	// Create a bitmap device and a context so that the flag pattern can be drawn on
+	// the standard bitmap
+	CFbsBitmapDevice* bitDev = CFbsBitmapDevice::NewL(standardBmp);
+	CleanupStack::PushL(bitDev);
+	CFbsBitGc* bitGc;
+	err = bitDev->CreateContext(bitGc);
+	iCallBack->TestTrue(err == KErrNone);
+	CleanupStack::PushL(bitGc);
+	
+	// Draw the flag pattern to the standard bitmap if the draw mode is EDrawFlag, 
+	// leave as white otehrwise
+	if (iDrawMode == EDrawFlag)
+		{
+		bitGc->SetPenStyle(CGraphicsContext::ENullPen);
+		bitGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
+		for (TInt i = 0; i < KNumColors; i++)
+			{
+			bitGc->SetBrushColor(KColors[i]);
+			bitGc->DrawRect(TRect(0,(KBrushSize.iHeight/3)*i,KBrushSize.iWidth,(KBrushSize.iHeight/3)*(i+1)));	
+			}
+		}	
+	CleanupStack::PopAndDestroy(2, bitDev);
+	
+	// Create a screen device and a context to draw to
+	TSize scrSize = iGc.Device()->SizeInPixels();
+		
+	TRect extendedShapeSize;
+	extendedShapeSize.SetRect(10,10,(scrSize.iWidth>>1)-10,scrSize.iHeight-10);
+	TRect standardShapeSize(extendedShapeSize);
+	standardShapeSize.Move(scrSize.iWidth>>1,0);
+
+	TInt baseline = extendedShapeSize.Height() / 2 + iFont->AscentInPixels() / 2;
+	
+	iGc.SetBrushColor(KRgbBlue);
+	iGc.Clear();
+	iGc.SetBrushColor(KRgbWhite);		
+	iGc.UseBrushPattern(extendedBmp);
+	iGc.SetBrushStyle(CGraphicsContext::EPatternedBrush);		
+	
+	switch (aCaseNumber)
+		{
+		case 0: //DrawPie()
+			{
+			INFO_PRINTF1(_L("Testing brush patterns with an extended bitmap"));
+			INFO_PRINTF1(_L("... DrawPie()"));
+			iGc.DrawPie(extendedShapeSize, TPoint(extendedShapeSize.iTl.iX,0), TPoint(extendedShapeSize.iBr.iX,0));				
+			iGc.UseBrushPattern(standardBmp);					
+			iGc.DrawPie(standardShapeSize, TPoint(standardShapeSize.iTl.iX,0), TPoint(standardShapeSize.iBr.iX,0));				
+			break;
+			}
+		case 1: // DrawRoundRect()
+			{
+			INFO_PRINTF1(_L("... DrawRoundRect()"));
+			iGc.DrawRoundRect(extendedShapeSize, TSize(10,10));				
+			iGc.UseBrushPattern(standardBmp);				
+			iGc.DrawRoundRect(standardShapeSize, TSize(10,10));
+			break;
+			}
+		case 2: // DrawPolygon() 
+			{
+			INFO_PRINTF1(_L("... DrawPolygon() 1"));
+			const TInt KNumPoints = 3;
+			CArrayFix<TPoint>* points = new(ELeave) CArrayFixFlat<TPoint>(KNumPoints);
+			CleanupStack::PushL(points);
+			points->AppendL(TPoint(extendedShapeSize.iTl.iX,extendedShapeSize.iTl.iY)); 
+			points->AppendL(TPoint(extendedShapeSize.iBr.iX,extendedShapeSize.iBr.iY));
+			points->AppendL(TPoint(extendedShapeSize.iTl.iX,extendedShapeSize.iBr.iY));
+			iGc.DrawPolygon(points, CGraphicsContext::EWinding);
+			iGc.UseBrushPattern(standardBmp);				
+			iGc.SetOrigin(TPoint(standardShapeSize.iTl.iX-10,0));
+			iGc.DrawPolygon(points, CGraphicsContext::EWinding);
+			iGc.SetOrigin(TPoint(0,0));
+			CleanupStack::PopAndDestroy(points);				
+			break;
+			}
+		case 3: // DrawPolygon()
+			{
+			INFO_PRINTF1(_L("... DrawPolygon() 2"));
+			const TInt KNumPoints = 3;
+			TPoint* points = static_cast<TPoint*>(User::AllocL(sizeof(TPoint)*KNumPoints));
+			CleanupStack::PushL(points);
+			points[0] = TPoint(extendedShapeSize.iBr.iX,extendedShapeSize.iTl.iY); 
+			points[1] = TPoint(extendedShapeSize.iBr.iX,extendedShapeSize.iBr.iY);
+			points[2] = TPoint(extendedShapeSize.iTl.iX,extendedShapeSize.iBr.iY/2);
+			iGc.DrawPolygon(points, KNumPoints, CGraphicsContext::EWinding);
+			iGc.UseBrushPattern(standardBmp);				
+			iGc.SetOrigin(TPoint(standardShapeSize.iTl.iX-10,0));
+			iGc.DrawPolygon(points, KNumPoints, CGraphicsContext::EWinding);
+			iGc.SetOrigin(TPoint(0,0));		
+			CleanupStack::PopAndDestroy(points);
+			break;
+			}
+		case 4: // DrawEllipse()
+			{
+			INFO_PRINTF1(_L("... DrawEllipse()"));
+			iGc.DrawEllipse(extendedShapeSize);
+			iGc.UseBrushPattern(standardBmp);				
+			iGc.DrawEllipse(standardShapeSize);
+			break;
+			}
+		case 5: // DrawRect()
+			{
+			INFO_PRINTF1(_L("... DrawRect()"));
+			iGc.DrawRect(extendedShapeSize);				
+			iGc.UseBrushPattern(standardBmp);				
+			iGc.DrawRect(standardShapeSize);
+			break;
+			}
+		case 6: // DrawText()
+			{
+			INFO_PRINTF1(_L("... DrawText()"));			
+			iGc.DrawText(_L("HELLO"), extendedShapeSize, baseline);
+			iGc.UseBrushPattern(standardBmp);
+			iGc.DrawText(_L("HELLO"), standardShapeSize, baseline);
+			break;
+			}
+		case 7: // DrawTextVertical()
+			{				
+			INFO_PRINTF1(_L("... DrawTextVertical()"));																		
+			iGc.DrawTextVertical(_L("HELLO"), extendedShapeSize, baseline, EFalse);
+			iGc.UseBrushPattern(standardBmp);
+			iGc.DrawTextVertical(_L("HELLO"), standardShapeSize, baseline, EFalse);
+			break;
+			}
+		default:
+			{
+			// Should not be reached
+			iCallBack->TestTrue(EFalse);
+			}
+		}			
+	CleanupStack::PopAndDestroy(3, data);
+	}
+
+/** Helper method for creating  and filling striped bitmaps equivalent to the extended bitmaps used in the test 
+CTExtendedBitmap::TestBitmapDrawingL().
+@param aBmpRet The newly created bitmap.
+@param aSize The size of the bitmap to create.
+@param aDisplayMode The display mode of the bitmap to create.
+@param aColor1 The colour of the first stripe.
+@param aColor2 The colour of the second stripe.
+@param aColor3 The colour of the third stripe.
+@param aStripeStyle Horizontal or vertical stripes, 0 for vertical stripe, 1 for horizontal stripes.
+@return KErrNone if the bitmap was created successfully and returned in aBmpRet, one of the system
+wide error codes otherwise. 
+@post Leaves aBmpRet on the clean up stack if it is created successfully 
+ */
+void CTExtendedBitmapGc::CreateTestBitmapLC(CFbsBitmap*& aBmpRet,
+										const TSize& aSize,
+										TDisplayMode aDisplayMode, 
+										const TRgb& aColor1, 
+										const TRgb& aColor2, 
+										const TRgb& aColor3,
+										TStripeStyle aStripeStyle)
+	{
+	const TInt KNumColors = 3;
+	TRgb colors[3] = {aColor1, aColor2, aColor3};
+	
+	CFbsBitmap* bmp = new(ELeave) CFbsBitmap;
+	CleanupStack::PushL(bmp); // This gets left on the cleanup stack when the function returns
+	TInt err = bmp->Create(aSize, aDisplayMode);	
+	User::LeaveIfError(err);
+		
+	CFbsBitmapDevice* bmpDev = CFbsBitmapDevice::NewL(bmp);	
+	CleanupStack::PushL(bmpDev);	
+	CFbsBitGc* gc;
+	err = bmpDev->CreateContext(gc);
+	User::LeaveIfError(err);
+	CleanupStack::PushL(gc);
+	
+	// Only draw stripes onto the test bitmap if the draw mode is EDrawFlag, otherwise
+	// it should be left as cleared to white
+	if (iDrawMode == EDrawFlag)
+		{
+		TInt outerStripeSize;												
+		TInt middleStripeSize;							
+		TRect stripeRect[3];
+		
+		if (aStripeStyle == EHorizontalStripe)
+			{
+			outerStripeSize = aSize.iHeight/3;												
+			middleStripeSize = aSize.iHeight-(outerStripeSize<<1);							
+			stripeRect[0] = TRect(TPoint(0,0), TSize(aSize.iWidth,outerStripeSize));
+			stripeRect[1] = TRect(TPoint(0,outerStripeSize), TSize(aSize.iWidth,middleStripeSize));
+			stripeRect[2] = TRect(TPoint(0,outerStripeSize+middleStripeSize), TSize(aSize.iWidth,outerStripeSize));
+			}
+		else if (aStripeStyle == EVerticalStripe)
+			{
+			outerStripeSize = aSize.iWidth/3;												
+			middleStripeSize = aSize.iWidth-(outerStripeSize<<1);							
+			stripeRect[0] = TRect(TPoint(0,0), TSize(outerStripeSize,aSize.iHeight));
+			stripeRect[1] = TRect(TPoint(outerStripeSize,0), TSize(middleStripeSize,aSize.iHeight));
+			stripeRect[2] = TRect(TPoint(outerStripeSize+middleStripeSize,0), TSize(outerStripeSize,aSize.iHeight));
+			}
+		else
+			{
+			INFO_PRINTF2(_L("Unsupported stripe style passed to CTExtendedBitmap::CreateTestBitmapLC: %d"), aStripeStyle);
+			User::Leave(KErrArgument);
+			}
+		
+		for (TInt i = 0; i < KNumColors; i++)
+			{
+			gc->SetBrushColor(colors[i]);
+			gc->SetPenStyle(CGraphicsContext::ENullPen);
+			gc->SetBrushStyle(CGraphicsContext::ESolidBrush);			
+			gc->DrawRect(stripeRect[i]);
+			}		
+		}
+	
+	// Only pop the bitmap device and the gc, the created bitmap is left on the cleanup stack
+	CleanupStack::PopAndDestroy(2, bmpDev); 	
+	
+	aBmpRet = bmp; 	
+	}
+
+/** Helper function for writing colour and stripe information used when creating an extended bitmap to
+a write stream.
+@param aData A pointer to a buffer that is large enough to write three TRgb colours and one TUint8 to.
+@param aDataSize The size of buffer pointed to by aData, the actual size written is returned here
+@param aColourArray A pointer to an array of the three colours to be written to the buffer
+@param aHorizontalStripe ETrue to use horizontal stripes, EFalse for vertcial stripes
+ */
+EXPORT_C void CTExtendedBitmapGc::WriteExtendedBitmapInfoL(TUint8* aData,
+												TInt& aDataSize,															
+												const TRgb* aColorArray, 
+												TStripeStyle aStripeStyle)
+	{
+	const TInt KNumColors = 3;
+
+	// We expect an array of three colours
+	if (sizeof(aColorArray) == (sizeof(TRgb)*KNumColors))
+		{		
+		User::Leave(KErrArgument);
+		}
+	
+	RMemWriteStream ws;
+	ws.Open(aData, aDataSize);
+	CleanupClosePushL(ws);
+	ws << aColorArray[0] << aColorArray[1] << aColorArray[2] << static_cast<TUint8>(aStripeStyle); // horizontal stripe
+	aDataSize = ws.Sink()->TellL(MStreamBuf::EWrite).Offset(); // get the actual size written
+	CleanupStack::PopAndDestroy(1, &ws);
+	}