diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicsdeviceinterface/gdi/tgdi/TGraphicsContext.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/graphics/graphicsdeviceinterface/gdi/tgdi/TGraphicsContext.cpp Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,716 @@ +// Copyright (c) 2002-2009 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: +// + +/** + @file + @test + @internalComponent Internal Symbian test code +*/ + +#include "TTYPES.H" +#include "TGraphicsContext.h" + + + +// Utility functions to show contents of test data using test.Printf + +extern void PrintTestData (const TDesC& aTitle , const TDesC16& aDataBuffer); + +extern void PrintTestData(const TDesC& aTitle, const TText16* aDataBuffer, const TInt aSize); + + + + +_LIT(KTestFontName, "Non Functional Test Font"); + + +CTestPalette2::~CTestPalette2() + { + iArray = 0; //avoid attempting to deallocate iArray in ~CPalette + iNumEntries = 0; + } + +// +// +// CTestGraphicsDevice +// +// +CTestGraphicsDevice* CTestGraphicsDevice::NewL(TSize aSizeInPixels) + { + CTestGraphicsDevice* theDevice = new (ELeave) CTestGraphicsDevice(aSizeInPixels); + CleanupStack::PushL(theDevice); + theDevice->iPalette = new (ELeave) CTestPalette2; + theDevice->iPalette->SetEntry(0, KRgbBlack); + theDevice->iPalette->SetEntry(1, KRgbWhite); + theDevice->iPalette->SetEntry(2, KRgbMagenta); + theDevice->iPalette->SetEntry(3, KRgbCyan); + + CleanupStack::Pop(theDevice); + return theDevice; + } + +CTestGraphicsDevice::CTestGraphicsDevice(TSize aSizeInPixels) + : iSize(aSizeInPixels), + iHorizontalTwipsToPixels(40), + iVerticalTwipsToPixels(40) + { + } +CTestGraphicsDevice::~CTestGraphicsDevice() + { + delete iPalette; + } + +void CTestGraphicsDevice::SetHorizontalTwipsToPixels(TInt aTwipsToPixels) + { + iHorizontalTwipsToPixels = aTwipsToPixels; + } + +void CTestGraphicsDevice::SetVerticalTwipsToPixels(TInt aTwipsToPixels) + { + iVerticalTwipsToPixels = aTwipsToPixels; + } + +TDisplayMode CTestGraphicsDevice::DisplayMode() const + { + return EColor16M; + } + +TSize CTestGraphicsDevice::SizeInPixels() const + { + return iSize; + } + +TSize CTestGraphicsDevice::SizeInTwips() const + { + return TSize(iSize.iWidth * iHorizontalTwipsToPixels, + iSize.iHeight * iVerticalTwipsToPixels); + } + +TInt CTestGraphicsDevice::CreateContext(CGraphicsContext*& aGC) + { + CGraphicsContext* r = new CTestGraphicsContext(this); + if (!r) + return KErrNoMemory; + aGC = r; + return KErrNone; + } + +TInt CTestGraphicsDevice::NumTypefaces() const + { + return 1; + } + +void CTestGraphicsDevice::TypefaceSupport(TTypefaceSupport& aTypefaceSupport, TInt aTypefaceIndex) const + { + // The only font we have at the moment is 10 pixels * 12 pixels for every character + __ASSERT_ALWAYS(aTypefaceIndex == 0, + CTestGraphicsContext::Panic(CTestGraphicsContext::ETypefaceIndexOutOfRange)); + aTypefaceSupport.iIsScalable = EFalse; + aTypefaceSupport.iMaxHeightInTwips = iVerticalTwipsToPixels * 12; + aTypefaceSupport.iMinHeightInTwips = iVerticalTwipsToPixels * 10; + aTypefaceSupport.iNumHeights = 1; + aTypefaceSupport.iTypeface.iName = KTestFontName; + aTypefaceSupport.iTypeface.SetIsProportional(ETrue); // a bit of a lie + aTypefaceSupport.iTypeface.SetIsSerif(EFalse); + aTypefaceSupport.iTypeface.SetIsSymbol(EFalse); + } + +TInt CTestGraphicsDevice::FontHeightInTwips(TInt aTypefaceIndex, TInt aHeightIndex) const + { + // The only font we have at the moment is 10 pixels * 12 pixels for every character + __ASSERT_ALWAYS(aTypefaceIndex == 0, + CTestGraphicsContext::Panic(CTestGraphicsContext::ETypefaceIndexOutOfRange)); + return iVerticalTwipsToPixels * FontHeightInPixels(aTypefaceIndex, aHeightIndex); + } + +void CTestGraphicsDevice::PaletteAttributes(TBool& aModifiable, TInt& aNumEntries) const + { + aModifiable = ETrue; + aNumEntries = 4; + } + +void CTestGraphicsDevice::SetPalette(CPalette* aPalette) + { + for (TInt i = 0; i != CTestPalette2::KNumEntries; ++i) + { + TRgb col = aPalette->GetEntry(i); + iPalette -> SetEntry(i, col); + } + } + +TInt CTestGraphicsDevice::GetPalette(CPalette*& aPalette) const + { + aPalette = const_cast(iPalette); + return KErrNone; + } + +void CTestGraphicsDevice::GetPixel(TRgb& aColor, const TPoint&) const + { + aColor = KRgbWhite; + } + +void CTestGraphicsDevice::GetScanLine(TDes8&, const TPoint&, TInt, TDisplayMode) const + { + __ASSERT_DEBUG(0, CTestGraphicsContext::Panic(CTestGraphicsContext::EUnimplemented)); + } + +TInt CTestGraphicsDevice::AddFile(const TDesC&, TInt&) + { + return KErrNotSupported; + } + +void CTestGraphicsDevice::RemoveFile(TInt) + { + } + +TInt CTestGraphicsDevice::GetNearestFontInPixels(CFont*& aFont, const TFontSpec& aFontSpec) + { + return GetNearestFontToDesignHeightInPixels(aFont, aFontSpec); + } + +TInt CTestGraphicsDevice::GetNearestFontToDesignHeightInPixels(CFont*& aFont, const TFontSpec& /*aFontSpec*/) + { + CTestFont* font = new CTestFont(); + if (!font) + return KErrNoMemory; + aFont = font; + return KErrNone; + } + +TInt CTestGraphicsDevice::GetNearestFontToMaxHeightInPixels(CFont*& aFont, const TFontSpec& /*aFontSpec*/, TInt /*aMaxHeight*/) + { + CTestFont* font = new CTestFont(); + if (!font) + return KErrNoMemory; + aFont = font; + return KErrNone; + } + +TInt CTestGraphicsDevice::FontHeightInPixels(TInt, TInt) const + { + return 12; + } + +TInt CTestGraphicsDevice::HorizontalTwipsToPixels(TInt aTwips) const + { + return aTwips / iHorizontalTwipsToPixels; + } + +TInt CTestGraphicsDevice::VerticalTwipsToPixels(TInt aTwips) const + { + return aTwips / iVerticalTwipsToPixels; + } + +TInt CTestGraphicsDevice::HorizontalPixelsToTwips(TInt aPixels) const + { + return aPixels * iHorizontalTwipsToPixels; + } + +TInt CTestGraphicsDevice::VerticalPixelsToTwips(TInt aPixels) const + { + return aPixels * iVerticalTwipsToPixels; + } + +TInt CTestGraphicsDevice::GetNearestFontInTwips(CFont*& aFont, const TFontSpec& aFontSpec) + { + return GetNearestFontToDesignHeightInTwips(aFont, aFontSpec); + } + +TInt CTestGraphicsDevice::GetNearestFontToDesignHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec) + { + TFontSpec fontSpec = aFontSpec; + fontSpec.iHeight = VerticalTwipsToPixels(fontSpec.iHeight); + return GetNearestFontToDesignHeightInPixels(aFont, fontSpec); + } + +TInt CTestGraphicsDevice::GetNearestFontToMaxHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec, TInt aMaxHeight) + { + TFontSpec fontSpec = aFontSpec; + fontSpec.iHeight = VerticalTwipsToPixels(fontSpec.iHeight); + return GetNearestFontToMaxHeightInPixels(aFont, fontSpec, VerticalTwipsToPixels(aMaxHeight)); + } + +void CTestGraphicsDevice::ReleaseFont(CFont* aFont) + { + __ASSERT_ALWAYS(aFont->TypeUid() == TUid::Uid(12345), + CTestGraphicsContext::Panic(CTestGraphicsContext::EUnknownFont)); + delete static_cast(aFont); + } + +// +// +// CTestGraphicsContext +// +// +void CTestGraphicsContext::Panic(TInt aReason) + { + User::Panic(_L("CTestGC"), aReason); + } + +CTestGraphicsContext::CTestGraphicsContext(CTestGraphicsDevice* aGd) + : iGd(aGd), iDrawMode(EDrawModePEN), iPenSize(1,1) + { + } + +CTestGraphicsContext::~CTestGraphicsContext() + { + iLineArray.Reset(); + } +void CTestGraphicsContext::AddRectToDrawnArea(const TRect& aRect) + { + if (iDrawnArea.IsEmpty()) + iDrawnArea = aRect; + else + iDrawnArea.BoundingRect(aRect); + // only one condition at the moment + if (iDrawMode == EDrawModeXOR) + { + if (iAreaDrawnWithCondition.IsEmpty()) + iAreaDrawnWithCondition = aRect; + else + iAreaDrawnWithCondition.BoundingRect(aRect); + } + } + +void CTestGraphicsContext::AddPointToDrawnArea(const TPoint& aPoint) + { + AddRectToDrawnArea(TRect(aPoint, iPenSize)); + } + +CGraphicsDevice* CTestGraphicsContext::Device() const + { + return iGd; + } + +void CTestGraphicsContext::SetOrigin(const TPoint& aPos) + { + iOrigin = aPos; + } + +void CTestGraphicsContext::SetDrawMode(TDrawMode aDrawingMode) + { + iDrawMode = aDrawingMode; + } + +void CTestGraphicsContext::SetClippingRect(const TRect& /*aRect*/) + { + } + +void CTestGraphicsContext::CancelClippingRect() + { + } + +void CTestGraphicsContext::Reset() + { + iDrawMode = EDrawModePEN; + iFont = 0; + iPenSize.iWidth = 1; + iPenSize.iHeight = 1; + } + +void CTestGraphicsContext::UseFont(const CFont* aFont) + { + iFont = aFont; + } + +void CTestGraphicsContext::DiscardFont() + { + iFont = 0; + } + +void CTestGraphicsContext::SetUnderlineStyle(TFontUnderline /*UnderlineStyle*/) + { + } + +void CTestGraphicsContext::SetStrikethroughStyle(TFontStrikethrough /*aStrikethroughStyle*/) + { + } + +void CTestGraphicsContext::SetWordJustification(TInt /*aExcessWidth*/,TInt /*aNumGaps*/) + { + } + +void CTestGraphicsContext::SetCharJustification(TInt /*aExcessWidth*/,TInt /*aNumChars*/) + { + } + +void CTestGraphicsContext::SetPenColor(const TRgb& aColor) + { + CPalette* palette; + iGd->GetPalette(palette); + iPenColorIndex = palette->NearestIndex(aColor); + } + +void CTestGraphicsContext::SetPenStyle(TPenStyle /*aPenStyle*/) + { + } + +void CTestGraphicsContext::SetPenSize(const TSize& aSize) + { + iPenSize = aSize; + } + +void CTestGraphicsContext::SetBrushColor(const TRgb& /*aColor*/) + { + } + +void CTestGraphicsContext::SetBrushStyle(TBrushStyle /*aBrushStyle*/) + { + } + +void CTestGraphicsContext::SetBrushOrigin(const TPoint& /*aOrigin*/) + { + } + +void CTestGraphicsContext::UseBrushPattern(const CFbsBitmap* /*aBitmap*/) + { + } + +void CTestGraphicsContext::DiscardBrushPattern() + { + } + +void CTestGraphicsContext::MoveTo(const TPoint& aPoint) + { + iCurrentPos = iOrigin + aPoint; + } + +void CTestGraphicsContext::MoveBy(const TPoint& aVector) + { + iCurrentPos += aVector; + } + +void CTestGraphicsContext::Plot(const TPoint& aPoint) + { + iCurrentPos = iOrigin + aPoint; + AddPointToDrawnArea(iCurrentPos); + } + +void CTestGraphicsContext::DrawArc(const TRect& aRect,const TPoint& /*aStart*/,const TPoint& aEnd) + { + TRect r = aRect; + r.Move(iOrigin); + AddRectToDrawnArea(r); + iCurrentPos = iOrigin + aEnd; + } + +void CTestGraphicsContext::DrawLine(const TPoint& aPoint1,const TPoint& aPoint2) + { + AddPointToDrawnArea(iOrigin + aPoint1); + iCurrentPos = iOrigin + aPoint2; + AddPointToDrawnArea(iCurrentPos); + } + +void CTestGraphicsContext::DrawLineTo(const TPoint& aPoint) + { + AddPointToDrawnArea(iCurrentPos); + iCurrentPos = iOrigin + aPoint; + AddPointToDrawnArea(iCurrentPos); + } + +void CTestGraphicsContext::DrawLineBy(const TPoint& aVector) + { + AddPointToDrawnArea(iCurrentPos); + iCurrentPos += aVector; + AddPointToDrawnArea(iCurrentPos); + } + +void CTestGraphicsContext::DrawPolyLine(const CArrayFix* aPointList) + { + TInt num = aPointList->Count(); + while (num--) + { + iCurrentPos = iOrigin + (*aPointList)[num - 1]; + AddPointToDrawnArea(iCurrentPos); + } + } + +void CTestGraphicsContext::DrawPolyLine(const TPoint* aPointList,TInt aNumPoints) + { + while (aNumPoints--) + { + iCurrentPos = iOrigin + aPointList[aNumPoints - 1]; + AddPointToDrawnArea(iCurrentPos); + } + } + +void CTestGraphicsContext::DrawPie(const TRect& aRect, + const TPoint& /*aStart*/, const TPoint& aEnd) + { + TRect r = aRect; + r.Move(iOrigin); + AddRectToDrawnArea(r); + iCurrentPos = iOrigin + aEnd; + } + +void CTestGraphicsContext::DrawEllipse(const TRect& aRect) + { + TRect r = aRect; + r.Move(iOrigin); + AddRectToDrawnArea(r); + } + +void CTestGraphicsContext::DrawRect(const TRect& aRect) + { + TRect r = aRect; + r.Move(iOrigin); + AddRectToDrawnArea(r); + } + +void CTestGraphicsContext::DrawRoundRect(const TRect& aRect,const TSize& aCornerSize) + { + TRect r = aRect; + r.Move(iOrigin); + r.Grow(aCornerSize); + AddRectToDrawnArea(r); + } + +TInt CTestGraphicsContext::DrawPolygon(const CArrayFix* aPointList,TFillRule /*aFillRule*/) + { + TInt num = aPointList->Count(); + while (num--) + { + iCurrentPos = iOrigin + (*aPointList)[num - 1]; + AddPointToDrawnArea(iCurrentPos); + } + return KErrNone; + } + +TInt CTestGraphicsContext::DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule /*aFillRule*/) + { + while (aNumPoints--) + { + iCurrentPos = iOrigin + aPointList[aNumPoints - 1]; + AddPointToDrawnArea(iCurrentPos); + } + return KErrNone; + } + +void CTestGraphicsContext::DrawBitmap(const TPoint& /*aTopLeft*/,const CFbsBitmap* /*aSource*/) + { + } + +void CTestGraphicsContext::DrawBitmap(const TRect& /*aDestRect*/,const CFbsBitmap* /*aSource*/) + { + } + +void CTestGraphicsContext::DrawBitmap(const TRect& /*aDestRect*/,const CFbsBitmap* /*aSource*/,const TRect& /*aSourceRect*/) + { + } + +void CTestGraphicsContext::DrawBitmapMasked(const TRect& /*aDestRect*/,const CFbsBitmap* /*aBitmap*/,const TRect& /*aSourceRect*/,const CFbsBitmap* /*aMaskBitmap*/,TBool /*aInvertMask*/) + {} + +void CTestGraphicsContext::DrawBitmapMasked(const TRect& /*aDestRect*/,const CWsBitmap* /*aBitmap*/,const TRect& /*aSourceRect*/,const CWsBitmap* /*aMaskBitmap*/,TBool /*aInvertMask*/) + { + } + +void CTestGraphicsContext::MapColors(const TRect &/*aRect*/,const TRgb */*aColors*/,TInt /*aNumPairs*/,TBool /*aMapForwards*/) + {} + +TInt CTestGraphicsContext::SetClippingRegion(const TRegion &/*aRegion*/) + { + return KErrNone; + } + +void CTestGraphicsContext::CancelClippingRegion() + {} + +void CTestGraphicsContext::DrawTextVertical(const TDesC& /*aText*/,const TPoint& /*aPos*/,TBool /*aUp*/) + {} + +void CTestGraphicsContext::DrawTextVertical(const TDesC& /*aText*/,const TRect& /*aBox*/,TInt /*aBaselineOffset*/,TBool /*aUp*/,TTextAlign /*aVert*/,TInt /*aMargin*/) + {} + +/** + * + * DrawText - merely add line "drawn" to collection + * + */ + + +void CTestGraphicsContext::DrawText(const TDesC& aText,const TPoint& aPosition) + { + +#ifdef PRINT_DRAWTEXT_LINES + + _LIT(KDrawTextFormat, "DrawText called for position %d,%d:"); + _LIT(KDrawTextTitle, "Text being drawn"); + test.Printf(KDrawTextFormat, aPosition.iX, aPosition.iY); + PrintTestData(KDrawTextTitle, aText); + +#endif /* PRINT_DRAWTEXT_LINES */ + + TTestGCDisplayLine thisLine; + thisLine.Set(aPosition, aText); + iLineArray.Append(thisLine); + + } + +void CTestGraphicsContext::DrawText(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset, + TTextAlign /*aAlignment*/, TInt aLeftMargin) + { + TPoint pos(aBox.iBr.iX + aLeftMargin, aBox.iTl.iY + aBaselineOffset); + pos += iOrigin; + DrawText(aText, pos); + } + +void CTestGraphicsContext::DrawText(const TDesC& aText, const TPoint& aPosition, + const TDrawTextParam&) + { + DrawText(aText, aPosition); + } + +// +// +// CTestFont +// +// +TUid CTestFont::DoTypeUid() const + { + return TUid::Uid(12345); + } + +TInt CTestFont::DoHeightInPixels() const + { + return 12; + } + +TInt CTestFont::DoAscentInPixels() const + { + return 10; + } + +TInt CTestFont::DoCharWidthInPixels(TChar aChar) const + { + switch (aChar) + { + case 0x200C: + case 0x200D: + case 0x200E: + case 0x200F: + case 0x202A: + case 0x202B: + case 0x202C: + case 0x202D: + case 0x202E: + case 0xFFFF: + return 0; + default: + return 10; + } + } + +TInt CTestFont::DoTextWidthInPixels(const TDesC& aText) const + { + TInt total = 0; + const TText* p = aText.Ptr(); + const TText* end = p + aText.Length(); + for (;p != end; ++p) + total += CharWidthInPixels(*p); + return total; + } + +TInt CTestFont::DoBaselineOffsetInPixels() const + { + return 10; + } + +TInt CTestFont::DoTextCount(const TDesC& aText,TInt aWidthInPixels) const + { + TInt excess; + return DoTextCount(aText, aWidthInPixels, excess); + } + +TInt CTestFont::DoTextCount(const TDesC& aText,TInt aWidthInPixels,TInt& aExcessWidthInPixels) const + { + aExcessWidthInPixels = aWidthInPixels; + const TText* start = aText.Ptr(); + const TText* end = start + aText.Length(); + const TText* p = start; + TInt width; + while (p != end + && (width = CharWidthInPixels(*p)) <= aExcessWidthInPixels) + { + aExcessWidthInPixels -= width; + ++p; + } + return p - start; + } + +TInt CTestFont::DoMaxCharWidthInPixels() const + { + return 10; + } + +TInt CTestFont::DoMaxNormalCharWidthInPixels() const + { + return 10; + } + +TFontSpec CTestFont::DoFontSpecInTwips() const + { + return TFontSpec(KTestFontName, 12); + } + +CFont::TCharacterDataAvailability + CTestFont::DoGetCharacterData(TUint aCode, TOpenFontCharMetrics& aMetrics, + const TUint8*& aBitmap, TSize& aBitmapSize) const + { + TInt width; + switch (aCode) + { + case 0x001B: + // ESC character should cause this fault; no character data available. + return CFont::ENoCharacterData; + case 'W': + // We want 'W' to have side-bearings + CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize); + width = aMetrics.Width(); + aMetrics.SetHorizBearingX(-1); + aMetrics.SetWidth(width + 2); + return CFont::ECharacterWidthOnly ; + case 0x0648: + // Arabic Waw-- has massive left side-bearing + CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize); + width = aMetrics.Width(); + aMetrics.SetHorizBearingX(-5); + aMetrics.SetWidth(width + 5); + return CFont::ECharacterWidthOnly ; + case 'X': + // We want 'X' to have a left side-bearing only + CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize); + aMetrics.SetHorizBearingX(-1); + return CFont::ECharacterWidthOnly ; + case 0x05EA: + // We want Hebrew Tav to have a +ve left side-bearing + CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize); + aMetrics.SetHorizBearingX(1); + return CFont::ECharacterWidthOnly ; + case 0x304B: + // We want Hiragana Ka to have a top end-bearing + CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize); + aMetrics.SetVertBearingY(-1); + return CFont::EAllCharacterData ; + case 0x0020: + CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize); + aMetrics.SetWidth(0); + aMetrics.SetHeight(0); + aMetrics.SetVertAdvance(0); + return CFont::ECharacterWidthOnly ; + default: + return CFont::DoGetCharacterData(aCode, aMetrics, aBitmap, aBitmapSize); + } + }