void QFontEngineMac::draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight) { QVarLengthArray<QFixedPoint> positions; QVarLengthArray<glyph_t> glyphs; QTransform matrix; matrix.translate(x, y); getGlyphPositions(ti.glyphs, ti.num_glyphs, matrix, ti.flags, glyphs, positions); if (glyphs.size() == 0) return; CGContextSetFontSize(ctx, fontDef.pixelSize); CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx); CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, -1, 0, -paintDeviceHeight); CGAffineTransformConcat(cgMatrix, oldTextMatrix); if (synthesisFlags & QFontEngine::SynthesizedItalic) cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, -tanf(14 * acosf(0) / 90), 1, 0, 0)); cgMatrix = CGAffineTransformConcat(cgMatrix, multiEngine->transform); CGContextSetTextMatrix(ctx, cgMatrix); CGContextSetTextDrawingMode(ctx, kCGTextFill); QVarLengthArray<CGSize> advances(glyphs.size()); QVarLengthArray<CGGlyph> cgGlyphs(glyphs.size()); for (int i = 0; i < glyphs.size() - 1; ++i) { advances[i].width = (positions[i + 1].x - positions[i].x).toReal(); advances[i].height = (positions[i + 1].y - positions[i].y).toReal(); cgGlyphs[i] = glyphs[i]; } advances[glyphs.size() - 1].width = 0; advances[glyphs.size() - 1].height = 0; cgGlyphs[glyphs.size() - 1] = glyphs[glyphs.size() - 1]; CGContextSetFont(ctx, cgFont); CGContextSetTextPosition(ctx, positions[0].x.toReal(), positions[0].y.toReal()); CGContextShowGlyphsWithAdvances(ctx, cgGlyphs.data(), advances.data(), glyphs.size()); if (synthesisFlags & QFontEngine::SynthesizedBold) { CGContextSetTextPosition(ctx, positions[0].x.toReal() + 0.5 * lineThickness().toReal(), positions[0].y.toReal()); CGContextShowGlyphsWithAdvances(ctx, cgGlyphs.data(), advances.data(), glyphs.size()); } CGContextSetTextMatrix(ctx, oldTextMatrix); }
void PlatformCALayer::drawRepaintIndicator(CGContextRef context, PlatformCALayer* platformCALayer, int repaintCount, CGColorRef customBackgroundColor) { char text[16]; // that's a lot of repaints snprintf(text, sizeof(text), "%d", repaintCount); CGRect indicatorBox = platformCALayer->bounds(); indicatorBox.size.width = 12 + 10 * strlen(text); indicatorBox.size.height = 27; CGContextSaveGState(context); CGContextSetAlpha(context, 0.5f); CGContextBeginTransparencyLayerWithRect(context, indicatorBox, 0); if (customBackgroundColor) CGContextSetFillColorWithColor(context, customBackgroundColor); else CGContextSetRGBFillColor(context, 0, 0.5f, 0.25f, 1); CGContextFillRect(context, indicatorBox); if (platformCALayer->acceleratesDrawing()) CGContextSetRGBFillColor(context, 1, 0, 0, 1); else CGContextSetRGBFillColor(context, 1, 1, 1, 1); #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wdeprecated-declarations" CGContextSetTextMatrix(context, CGAffineTransformMakeScale(1, -1)); CGContextSelectFont(context, "Helvetica", 22, kCGEncodingMacRoman); CGContextShowTextAtPoint(context, indicatorBox.origin.x + 5, indicatorBox.origin.y + 22, text, strlen(text)); #pragma clang diagnostic pop CGContextEndTransparencyLayer(context); CGContextRestoreGState(context); }
bool QuartzWindow::pre_draw(bool incremental) { if ( get_graphics_semaphore()) return false; if (!_is_open) return false; if (_was_closed) { TheSpy->deactivate(); _was_closed = false; return false; } if ( myContext == NULL ) { // Self does this for Self windows, so only do it for Spy windows--that's why it's here and not in open SetPortWindowPort(my_window()); QDBeginCGContext( GetWindowPort(my_window()), &myContext); setupCTM(); CGContextSetTextMatrix(myContext, CGAffineTransformMake( 1, 0, 0, -1, 0, 0)); CGContextSelectFont(myContext, default_fixed_font_name(), default_fixed_font_size(), kCGEncodingMacRoman); CGContextSetShouldAntialias(myContext, false); EventTypeSpec es[] = { {kEventClassWindow, kEventWindowBoundsChanged}, {kEventClassWindow, kEventWindowClose} }; OSStatus e = AddEventTypesToHandler(_my_spy_event_handler, sizeof(es) / sizeof(es[0]), es); if (e != noErr) fatal1("could not add types to handler %d\n", e); } if (_bounds_changed) { _bounds_changed = false; adjust_after_resize(); } if (!incremental) { Rect r; get_window_region_rect( kWindowContentRgn, &r); clear_rectangle(0, 0, r.right - r.left, r.bottom - r.top); } return true; }
void drawTextWithSpacing(GraphicsContext* graphicsContext, const SimpleFontData* font, const wxColour& color, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) { graphicsContext->save(); wxGCDC* dc = static_cast<wxGCDC*>(graphicsContext->platformContext()); wxFont* wxfont = font->getWxFont(); graphicsContext->setFillColor(graphicsContext->fillColor(), ColorSpaceDeviceRGB); CGContextRef cgContext = static_cast<CGContextRef>(dc->GetGraphicsContext()->GetNativeContext()); CGFontRef cgFont = font->platformData().cgFont(); CGContextSetFont(cgContext, cgFont); CGContextSetFontSize(cgContext, wxfont->GetPointSize()); CGFloat red, green, blue, alpha; graphicsContext->fillColor().getRGBA(red, green, blue, alpha); CGContextSetRGBFillColor(cgContext, red, green, blue, alpha); CGAffineTransform matrix = CGAffineTransformIdentity; matrix.b = -matrix.b; matrix.d = -matrix.d; CGContextSetTextMatrix(cgContext, matrix); CGContextSetTextPosition(cgContext, point.x(), point.y()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); if (cgFont) CGFontRelease(cgFont); graphicsContext->restore(); }
void drawTextWithFeature(CGContextRef context, CTFontDescriptorRef fontDescriptor, CFStringRef feature, int value, CGPoint location) { CGFloat fontSize = 25; CGContextSetTextMatrix(context, CGAffineTransformScale(CGAffineTransformIdentity, 1, 1)); CGContextSetTextPosition(context, location.x, location.y); CFNumberRef featureValue = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &value); CFTypeRef featureDictionaryKeys[] = { kCTFontOpenTypeFeatureTag, kCTFontOpenTypeFeatureValue }; CFTypeRef featureDictionaryValues[] = { feature, featureValue }; CFDictionaryRef featureDictionary = CFDictionaryCreate(kCFAllocatorDefault, featureDictionaryKeys, featureDictionaryValues, 2, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); CFRelease(featureValue); CFTypeRef featureSettingsValues[] = { featureDictionary }; CFArrayRef fontFeatureSettings = CFArrayCreate(kCFAllocatorDefault, featureSettingsValues, 1, &kCFTypeArrayCallBacks); CFRelease(featureDictionary); CFTypeRef fontDescriptorKeys[] = { kCTFontFeatureSettingsAttribute }; CFTypeRef fontDescriptorValues[] = { fontFeatureSettings }; CFDictionaryRef fontDescriptorAttributes = CFDictionaryCreate(kCFAllocatorDefault, fontDescriptorKeys, fontDescriptorValues, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); CFRelease(fontFeatureSettings); CTFontDescriptorRef modifiedFontDescriptor = CTFontDescriptorCreateCopyWithAttributes(fontDescriptor, fontDescriptorAttributes); CFRelease(fontDescriptorAttributes); CTFontRef font = CTFontCreateWithFontDescriptor(modifiedFontDescriptor, fontSize, nullptr); CFRelease(modifiedFontDescriptor); CFMutableStringRef string = CFStringCreateMutable(kCFAllocatorDefault, 0); CFStringAppend(string, feature); CFStringAppend(string, value ? CFSTR(" (on)") : CFSTR(" (off)")); CFStringAppend(string, CFSTR(": ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); CGColorRef red = CGColorCreateGenericRGB(1, 0, 0, 1); CFTypeRef lineKeys[] = { kCTForegroundColorAttributeName }; CFTypeRef lineValues[] = { red }; CFDictionaryRef lineAttributes = CFDictionaryCreate(kCFAllocatorDefault, lineKeys, lineValues, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); CGColorRelease(red); CFAttributedStringRef attributedString = CFAttributedStringCreate(kCFAllocatorDefault, string, lineAttributes); CFRelease(lineAttributes); CFRelease(string); CFMutableAttributedStringRef mutableAttributedString = CFAttributedStringCreateMutableCopy(kCFAllocatorDefault, 0, attributedString); CFRelease(attributedString); CTFontRef monospaceFont = CTFontCreateWithName(CFSTR("Courier"), fontSize, nullptr); CFAttributedStringSetAttribute(mutableAttributedString, CFRangeMake(0, 12), kCTFontAttributeName, monospaceFont); CFRelease(monospaceFont); CFAttributedStringSetAttribute(mutableAttributedString, CFRangeMake(12, 52), kCTFontAttributeName, font); CFRelease(font); CTLineRef line = CTLineCreateWithAttributedString(mutableAttributedString); CFRelease(mutableAttributedString); CTLineDraw(line, context); CFRelease(line); }
// This function is needed to work around a bug in Windows CG <rdar://problem/22703470> void PlatformCALayer::drawTextAtPoint(CGContextRef context, CGFloat x, CGFloat y, CGSize scale, CGFloat fontSize, const char* text, size_t length) const { #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wdeprecated-declarations" CGContextSetTextMatrix(context, CGAffineTransformMakeScale(scale.width, scale.height)); CGContextSelectFont(context, "Helvetica", fontSize, kCGEncodingMacRoman); CGContextShowTextAtPoint(context, x, y, text, length); #pragma clang diagnostic pop }
void WKCACFLayer::display(PlatformGraphicsContext* context) { if (!m_owner) return; CGContextSaveGState(context); CGRect layerBounds = bounds(); if (m_owner->contentsOrientation() == WebCore::GraphicsLayer::CompositingCoordinatesTopDown) { CGContextScaleCTM(context, 1, -1); CGContextTranslateCTM(context, 0, -layerBounds.size.height); } if (m_owner->client()) { GraphicsContext graphicsContext(context); // It's important to get the clip from the context, because it may be significantly // smaller than the layer bounds (e.g. tiled layers) CGRect clipBounds = CGContextGetClipBoundingBox(context); IntRect clip(enclosingIntRect(clipBounds)); m_owner->paintGraphicsLayerContents(graphicsContext, clip); } #ifndef NDEBUG else { ASSERT_NOT_REACHED(); // FIXME: ideally we'd avoid calling -setNeedsDisplay on a layer that is a plain color, // so CA never makes backing store for it (which is what -setNeedsDisplay will do above). CGContextSetRGBFillColor(context, 0.0f, 1.0f, 0.0f, 1.0f); CGContextFillRect(context, layerBounds); } #endif if (m_owner->showRepaintCounter()) { char text[16]; // that's a lot of repaints _snprintf(text, sizeof(text), "%d", m_owner->incrementRepaintCount()); CGContextSaveGState(context); CGContextSetRGBFillColor(context, 1.0f, 0.0f, 0.0f, 0.8f); CGRect aBounds = layerBounds; aBounds.size.width = 10 + 12 * strlen(text); aBounds.size.height = 25; CGContextFillRect(context, aBounds); CGContextSetRGBFillColor(context, 0.0f, 0.0f, 0.0f, 1.0f); CGContextSetTextMatrix(context, CGAffineTransformMakeScale(1.0f, -1.0f)); CGContextSelectFont(context, "Helvetica", 25, kCGEncodingMacRoman); CGContextShowTextAtPoint(context, aBounds.origin.x + 3.0f, aBounds.origin.y + 20.0f, text, strlen(text)); CGContextRestoreGState(context); } CGContextRestoreGState(context); }
FX_BOOL CQuartz2D::drawGraphicsString(void* graphics, void* font, FX_FLOAT fontSize, FX_WORD* glyphIndices, CGPoint* glyphPositions, FX_INT32 charsCount, FX_ARGB argb, CFX_AffineMatrix* matrix ) { if (!graphics) { return FALSE; } CGContextRef context = (CGContextRef) graphics; CGContextSetFont(context, (CGFontRef)font); CGContextSetFontSize(context, fontSize); if (matrix) { CGAffineTransform m = CGContextGetTextMatrix(context); m = CGAffineTransformConcat(m, CGAffineTransformMake(matrix->a, matrix->b, matrix->c, matrix->d, matrix->e, matrix->f)); CGContextSetTextMatrix(context, m); } FX_INT32 a, r, g, b; ArgbDecode(argb, a, r, g, b); CGContextSetRGBFillColor(context, r / 255.f, g / 255.f, b / 255.f, a / 255.f); CGContextSaveGState(context); #if CGFLOAT_IS_DOUBLE CGPoint* glyphPositionsCG = new CGPoint[charsCount]; if (!glyphPositionsCG) { return FALSE; } for (int index = 0; index < charsCount; ++index) { glyphPositionsCG[index].x = glyphPositions[index].x; glyphPositionsCG[index].y = glyphPositions[index].y; } #else CGPoint* glyphPositionsCG = (CGPoint*)glyphPositions; #endif CGContextShowGlyphsAtPositions(context, (CGGlyph *) glyphIndices, glyphPositionsCG, charsCount); #if CGFLOAT_IS_DOUBLE delete[] glyphPositionsCG; #endif CGContextRestoreGState(context); return TRUE; }
//----------------------------------------------------------------------------- void CGDrawContext::init () { CGContextSaveGState (cgContext); CGContextSetShouldAntialias (cgContext, false); CGContextSetFillColorSpace (cgContext, GetCGColorSpace ()); CGContextSetStrokeColorSpace (cgContext, GetCGColorSpace ()); CGContextSaveGState (cgContext); CGAffineTransform cgCTM = CGAffineTransformMake (1.0, 0.0, 0.0, -1.0, 0.0, 0.0); CGContextSetTextMatrix (cgContext, cgCTM); CDrawContext::init (); }
void Font::drawGlyphs(GraphicsContext* graphicsContext, const FontData* font, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) const { CGContextRef cgContext = graphicsContext->platformContext(); uint32_t oldFontSmoothingStyle = wkSetFontSmoothingStyle(cgContext); const FontPlatformData& platformData = font->platformData(); //NSFont* drawFont; //if ([gContext isDrawingToScreen]) { // drawFont = [platformData.font screenFont]; // if (drawFont != platformData.font) // // We are getting this in too many places (3406411); use ERROR so it only prints on debug versions for now. (We should debug this also, eventually). // LOG_ERROR("Attempting to set non-screen font (%@) when drawing to screen. Using screen font anyway, may result in incorrect metrics.", // [[[platformData.font fontDescriptor] fontAttributes] objectForKey:NSFontNameAttribute]); //} else { // drawFont = [platformData.font printerFont]; // if (drawFont != platformData.font) // NSLog(@"Attempting to set non-printer font (%@) when printing. Using printer font anyway, may result in incorrect metrics.", // [[[platformData.font fontDescriptor] fontAttributes] objectForKey:NSFontNameAttribute]); //} CGContextSetFont(cgContext, platformData.cgFont()); CGAffineTransform matrix = CGAffineTransformIdentity; matrix.b = -matrix.b; matrix.d = -matrix.d; if (platformData.syntheticOblique()) { static float skew = -tanf(syntheticObliqueAngle * acosf(0) / 90); matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, skew, 1, 0, 0)); } // Uniscribe gives us offsets to help refine the positioning of combining glyphs. FloatSize translation = glyphBuffer.offsetAt(from); if (translation.width() || translation.height()) CGAffineTransformTranslate(matrix, translation.width(), translation.height()); CGContextSetTextMatrix(cgContext, matrix); //wkSetCGFontRenderingMode(cgContext, drawFont); CGContextSetFontSize(cgContext, platformData.size()); CGContextSetTextPosition(cgContext, point.x(), point.y()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); if (font->m_syntheticBoldOffset) { CGContextSetTextPosition(cgContext, point.x() + font->m_syntheticBoldOffset, point.y()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); } wkRestoreFontSmoothingStyle(cgContext, oldFontSmoothingStyle); }
void CQuartz2D::setGraphicsTextMatrix(void* graphics, CFX_AffineMatrix* matrix) { if (!graphics || !matrix) { return; } CGContextRef context = (CGContextRef) graphics; CGFloat ty = CGBitmapContextGetHeight(context) - matrix->f; CGContextSetTextMatrix(context, CGAffineTransformMake(matrix->a, matrix->b, matrix->c, matrix->d, matrix->e, ty)); }
//----------------------------------------------------------------------------- void CGDrawContext::init () { CGContextSaveGState (cgContext); CGContextSetAllowsAntialiasing (cgContext, true); CGContextSetAllowsFontSmoothing (cgContext, true); CGContextSetAllowsFontSubpixelPositioning (cgContext, true); CGContextSetAllowsFontSubpixelQuantization (cgContext, true); CGContextSetShouldAntialias (cgContext, false); CGContextSetFillColorSpace (cgContext, GetCGColorSpace ()); CGContextSetStrokeColorSpace (cgContext, GetCGColorSpace ()); CGContextSaveGState (cgContext); CGAffineTransform cgCTM = CGAffineTransformMake (1.0, 0.0, 0.0, -1.0, 0.0, 0.0); CGContextSetTextMatrix (cgContext, cgCTM); CDrawContext::init (); }
void x_async_refresh(CGContextRef myContext,CGRect myBoundingBox) { #ifdef ENABLEQD CEmulatorMac* pEmu = (CEmulatorMac*)CEmulator::theEmulator; if (!pEmu) return ; #endif #ifndef DRIVER_IOS x_vbl_count++; #endif addFrameRate(0); CHANGE_BORDER(1,0xFF); // OG if (macUsingCoreGraphics) { if(r_sim65816.is_emulator_offscreen_available() && g_kimage_offscreen.dev_handle) { /* void addConsoleWindow(Kimage* _dst); addConsoleWindow(&g_kimage_offscreen); */ CGContextSaveGState(myContext); #ifndef DRIVER_IOS // CGContextTranslateCTM(myContext,0.0, X_A2_WINDOW_HEIGHT); CGContextTranslateCTM(myContext,0.0, myBoundingBox.size.height); CGContextScaleCTM(myContext,1.0,-1.0); #endif CGImageRef myImage = CGBitmapContextCreateImage((CGContextRef)g_kimage_offscreen.dev_handle); CGContextDrawImage(myContext, myBoundingBox, myImage);// 6 #ifndef VIDEO_SINGLEVLINE if (r_sim65816.get_video_fx() == VIDEOFX_CRT) { CGContextSetRGBFillColor(myContext,0,0,0,0.5); for(int h=0;h<g_kimage_offscreen.height;h+=2) { CGRect r = CGRectMake(0,h,g_kimage_offscreen.width_act,1); CGContextFillRect(myContext,r); } } #endif CGImageRelease(myImage); CGContextRestoreGState(myContext); #ifndef DRIVER_IOS if (!messageLine.IsEmpty()) { CGContextSaveGState(myContext); CGContextSetTextMatrix(myContext,CGAffineTransformIdentity); CGContextTranslateCTM(myContext,0.0, X_A2_WINDOW_HEIGHT); CGContextScaleCTM(myContext,1.0,-1.0); CGContextSelectFont(myContext, "Courier", 14.0, kCGEncodingMacRoman); CGContextSetTextDrawingMode(myContext, kCGTextFill); CGContextSetRGBFillColor (myContext, 1,1, 1, 1); CGContextSetShouldAntialias(myContext, true); #define SHADOW 4.0 CGFloat myColorValues[] = {0.5, 0.5, 0.5, 1.0}; CGColorSpaceRef myColorSpace = CGColorSpaceCreateDeviceRGB ();// 9 CGColorRef myColor = CGColorCreate (myColorSpace, myColorValues); CGContextSetShadowWithColor(myContext, CGSizeMake(SHADOW, -SHADOW), 4, myColor //CGColorCreateGenericGray(0.5,1.0) ); CGContextShowTextAtPoint(myContext, 20.0, X_A2_WINDOW_HEIGHT-20.0, messageLine.c_str(), messageLine.GetLength()); CGContextRestoreGState(myContext); messageLineVBL--; if (messageLineVBL<0) messageLine.Empty(); else x_refresh_video(); } #endif } else { CGContextSaveGState(myContext); #if defined(DRIVER_IOS) // efface en noir si l'émulateur n'avait pas encore démarré (le cas sur 3GS) CGContextSetRGBFillColor (myContext, 0, 0, 0, 1); #else CGContextSetRGBFillColor (myContext, 0, 0, 1, 1); #endif CGContextFillRect (myContext, CGRectMake (0, 0, X_A2_WINDOW_WIDTH, X_A2_WINDOW_HEIGHT)); CGContextRestoreGState(myContext); } } else { #ifdef ENABLEQD CGrafPtr window_port = pEmu->window_port; Rect src_rect; Rect dest_rect; SetRect(&src_rect,0,0,704,462); SetRect(&dest_rect,0,0,704,462); if (pixmap_backbuffer) CopyBits( (BitMap *)(*pixmap_backbuffer), GetPortBitMapForCopyBits(window_port), &src_rect, &dest_rect, srcCopy, NULL); #endif } CHANGE_BORDER(1,0); if (r_sim65816.is_emulator_offscreen_available() && g_driver.x_handle_state_on_paint) g_driver.x_handle_state_on_paint(myBoundingBox.size.width,myBoundingBox.size.height); }
void CGContextSetTextMatrix_wrap(CGContext* con, float a, float b, float c, float d, float tx, float ty) { CGContextSetTextMatrix(con, CGAffineTransformMake(a, b, c, d, tx, ty)); }
QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph) { const glyph_metrics_t br = boundingBox(glyph); QImage im(qRound(br.width)+2, qRound(br.height)+2, QImage::Format_RGB32); im.fill(0); CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB(); #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4) uint cgflags = kCGImageAlphaNoneSkipFirst; #ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version if(QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) cgflags |= kCGBitmapByteOrder32Host; #endif #else CGImageAlphaInfo cgflags = kCGImageAlphaNoneSkipFirst; #endif CGContextRef ctx = CGBitmapContextCreate(im.bits(), im.width(), im.height(), 8, im.bytesPerLine(), colorspace, cgflags); CGColorSpaceRelease(colorspace); CGContextSetFontSize(ctx, fontDef.pixelSize); CGContextSetShouldAntialias(ctx, fontDef.pointSize > qt_antialiasing_threshold && !(fontDef.styleStrategy & QFont::NoAntialias)); CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx); CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, 1, 0, 0); CGAffineTransformConcat(cgMatrix, oldTextMatrix); if (synthesisFlags & QFontEngine::SynthesizedItalic) cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, tanf(14 * acosf(0) / 90), 1, 0, 0)); cgMatrix = CGAffineTransformConcat(cgMatrix, multiEngine->transform); CGContextSetTextMatrix(ctx, cgMatrix); CGContextSetRGBFillColor(ctx, 1, 1, 1, 1); CGContextSetTextDrawingMode(ctx, kCGTextFill); CGContextSetFont(ctx, cgFont); qreal pos_x = -br.x.toReal()+1, pos_y = im.height()+br.y.toReal(); CGContextSetTextPosition(ctx, pos_x, pos_y); CGSize advance; advance.width = 0; advance.height = 0; CGGlyph cgGlyph = glyph; CGContextShowGlyphsWithAdvances(ctx, &cgGlyph, &advance, 1); if (synthesisFlags & QFontEngine::SynthesizedBold) { CGContextSetTextPosition(ctx, pos_x + 0.5 * lineThickness().toReal(), pos_y); CGContextShowGlyphsWithAdvances(ctx, &cgGlyph, &advance, 1); } CGContextRelease(ctx); QImage indexed(im.width(), im.height(), QImage::Format_Indexed8); QVector<QRgb> colors(256); for (int i=0; i<256; ++i) colors[i] = qRgba(0, 0, 0, i); indexed.setColorTable(colors); for (int y=0; y<im.height(); ++y) { uint *src = (uint*) im.scanLine(y); uchar *dst = indexed.scanLine(y); for (int x=0; x<im.width(); ++x) { *dst = qGray(*src); ++dst; ++src; } } return indexed; }
void Font::drawGlyphs(GraphicsContext* graphicsContext, const SimpleFontData* font, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) const { CGContextRef cgContext = graphicsContext->platformContext(); bool shouldUseFontSmoothing = WebCoreShouldUseFontSmoothing(); switch(fontDescription().fontSmoothing()) { case Antialiased: { graphicsContext->setShouldAntialias(true); shouldUseFontSmoothing = false; break; } case SubpixelAntialiased: { graphicsContext->setShouldAntialias(true); shouldUseFontSmoothing = true; break; } case NoSmoothing: { graphicsContext->setShouldAntialias(false); shouldUseFontSmoothing = false; break; } case AutoSmoothing: { // For the AutoSmooth case, don't do anything! Keep the default settings. break; } default: ASSERT_NOT_REACHED(); } if (font->platformData().useGDI() && !shouldUseFontSmoothing) { drawGDIGlyphs(graphicsContext, font, glyphBuffer, from, numGlyphs, point); return; } uint32_t oldFontSmoothingStyle = wkSetFontSmoothingStyle(cgContext, shouldUseFontSmoothing); const FontPlatformData& platformData = font->platformData(); CGContextSetFont(cgContext, platformData.cgFont()); CGAffineTransform matrix = CGAffineTransformIdentity; matrix.b = -matrix.b; matrix.d = -matrix.d; if (platformData.syntheticOblique()) { static float skew = -tanf(syntheticObliqueAngle * piFloat / 180.0f); matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, skew, 1, 0, 0)); } CGContextSetTextMatrix(cgContext, matrix); // Uniscribe gives us offsets to help refine the positioning of combining glyphs. FloatSize translation = glyphBuffer.offsetAt(from); CGContextSetFontSize(cgContext, platformData.size()); wkSetCGContextFontRenderingStyle(cgContext, font->isSystemFont(), false, font->platformData().useGDI()); FloatSize shadowOffset; float shadowBlur; Color shadowColor; ColorSpace shadowColorSpace; graphicsContext->getShadow(shadowOffset, shadowBlur, shadowColor, shadowColorSpace); bool hasSimpleShadow = graphicsContext->textDrawingMode() == TextModeFill && shadowColor.isValid() && !shadowBlur && (!graphicsContext->shadowsIgnoreTransforms() || graphicsContext->getCTM().isIdentityOrTranslationOrFlipped()); if (hasSimpleShadow) { // Paint simple shadows ourselves instead of relying on CG shadows, to avoid losing subpixel antialiasing. graphicsContext->clearShadow(); Color fillColor = graphicsContext->fillColor(); Color shadowFillColor(shadowColor.red(), shadowColor.green(), shadowColor.blue(), shadowColor.alpha() * fillColor.alpha() / 255); graphicsContext->setFillColor(shadowFillColor, ColorSpaceDeviceRGB); float shadowTextX = point.x() + translation.width() + shadowOffset.width(); // If shadows are ignoring transforms, then we haven't applied the Y coordinate flip yet, so down is negative. float shadowTextY = point.y() + translation.height() + shadowOffset.height() * (graphicsContext->shadowsIgnoreTransforms() ? -1 : 1); CGContextSetTextPosition(cgContext, shadowTextX, shadowTextY); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); if (font->syntheticBoldOffset()) { CGContextSetTextPosition(cgContext, point.x() + translation.width() + shadowOffset.width() + font->syntheticBoldOffset(), point.y() + translation.height() + shadowOffset.height()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); } graphicsContext->setFillColor(fillColor, ColorSpaceDeviceRGB); } CGContextSetTextPosition(cgContext, point.x() + translation.width(), point.y() + translation.height()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); if (font->syntheticBoldOffset()) { CGContextSetTextPosition(cgContext, point.x() + translation.width() + font->syntheticBoldOffset(), point.y() + translation.height()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); } if (hasSimpleShadow) graphicsContext->setShadow(shadowOffset, shadowBlur, shadowColor, ColorSpaceDeviceRGB); wkRestoreFontSmoothingStyle(cgContext, oldFontSmoothingStyle); }
void drawTextWithSpacing(GraphicsContext* graphicsContext, const SimpleFontData* font, const wxColour& color, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) { graphicsContext->save(); wxGCDC* dc = static_cast<wxGCDC*>(graphicsContext->platformContext()); wxFont* wxfont = font->getWxFont(); graphicsContext->setFillColor(graphicsContext->fillColor(), DeviceColorSpace); CGContextRef cgContext = static_cast<CGContextRef>(dc->GetGraphicsContext()->GetNativeContext()); CGFontRef cgFont; #ifdef wxOSX_USE_CORE_TEXT && wxOSX_USE_CORE_TEXT cgFont = CTFontCopyGraphicsFont((CTFontRef)wxfont->OSXGetCTFont(), NULL); #else ATSFontRef fontRef; fontRef = FMGetATSFontRefFromFont(wxfont->MacGetATSUFontID()); if (fontRef) cgFont = CGFontCreateWithPlatformFont((void*)&fontRef); #endif CGContextSetFont(cgContext, cgFont); CGContextSetFontSize(cgContext, wxfont->GetPointSize()); CGFloat red, green, blue, alpha; graphicsContext->fillColor().getRGBA(red, green, blue, alpha); CGContextSetRGBFillColor(cgContext, red, green, blue, alpha); CGAffineTransform matrix = CGAffineTransformIdentity; matrix.b = -matrix.b; matrix.d = -matrix.d; CGContextSetTextMatrix(cgContext, matrix); CGContextSetTextPosition(cgContext, point.x(), point.y()); const FloatSize* advanceSizes = static_cast<const FloatSize*>(glyphBuffer.advances(from)); int size = glyphBuffer.size() - from; CGSize sizes[size]; CGGlyph glyphs[numGlyphs]; // if the function doesn't exist, we're probably on tiger and need to grab the // function under its old name, CGFontGetGlyphsForUnicodes if (!CGFontGetGlyphsForUnichars) CGFontGetGlyphsForUnichars = (CGFontGetGlyphsForUnicharsPtr)dlsym(RTLD_DEFAULT, "CGFontGetGlyphsForUnicodes"); // Let's make sure we got the function under one name or another! ASSERT(CGFontGetGlyphsForUnichars); CGFontGetGlyphsForUnichars(cgFont, glyphBuffer.glyphs(from), glyphs, numGlyphs); for (int i = 0; i < size; i++) { FloatSize fsize = advanceSizes[i]; sizes[i] = CGSizeMake(fsize.width(), fsize.height()); } CGContextShowGlyphsWithAdvances(cgContext, glyphs, sizes, numGlyphs); if (cgFont) CGFontRelease(cgFont); graphicsContext->restore(); }
/*----------------------------------------------------------------------------------------------------------*/ pascal OSStatus ScrollingTextViewHandler(EventHandlerCallRef inCaller, EventRef inEvent, void* inRefcon) { OSStatus result = eventNotHandledErr; ScrollingTextBoxData* myData = (ScrollingTextBoxData*)inRefcon; switch (GetEventClass(inEvent)) { case kEventClassHIObject: switch (GetEventKind(inEvent)) { case kEventHIObjectConstruct: { // allocate some instance data myData = (ScrollingTextBoxData*) calloc(1, sizeof(ScrollingTextBoxData)); // get our superclass instance HIViewRef epView; GetEventParameter(inEvent, kEventParamHIObjectInstance, typeHIObjectRef, NULL, sizeof(epView), NULL, &epView); // remember our superclass in our instance data and initialize other fields myData->view = epView; // set the control ID so that we can find it later with HIViewFindByID result = SetControlID(myData->view, &kScrollingTextBoxViewID); // store our instance data into the event result = SetEventParameter(inEvent, kEventParamHIObjectInstance, typeVoidPtr, sizeof(myData), &myData); break; } case kEventHIObjectDestruct: { if (myData->theTimer != NULL) RemoveEventLoopTimer(myData->theTimer); CFRelease(myData->theText); free(myData); result = noErr; break; } case kEventHIObjectInitialize: { // always begin kEventHIObjectInitialize by calling through to the previous handler result = CallNextEventHandler(inCaller, inEvent); // if that succeeded, do our own initialization if (result == noErr) { GetEventParameter(inEvent, kEventParamScrollingText, typeCFStringRef, NULL, sizeof(myData->theText), NULL, &myData->theText); CFRetain(myData->theText); GetEventParameter(inEvent, kEventParamAutoScroll, typeBoolean, NULL, sizeof(myData->autoScroll), NULL, &myData->autoScroll); GetEventParameter(inEvent, kEventParamDelayBeforeAutoScroll, typeUInt32, NULL, sizeof(myData->delayBeforeAutoScroll), NULL, &myData->delayBeforeAutoScroll); GetEventParameter(inEvent, kEventParamDelayBetweenAutoScroll, typeUInt32, NULL, sizeof(myData->delayBetweenAutoScroll), NULL, &myData->delayBetweenAutoScroll); GetEventParameter(inEvent, kEventParamAutoScrollAmount, typeSInt16, NULL, sizeof(myData->autoScrollAmount), NULL, &myData->autoScrollAmount); myData->theTimer = NULL; } break; } default: break; } break; case kEventClassScrollable: switch (GetEventKind(inEvent)) { case kEventScrollableGetInfo: { // we're being asked to return information about the scrolled view that we set as Event Parameters HISize imageSize = {50.0, myData->height}; SetEventParameter(inEvent, kEventParamImageSize, typeHISize, sizeof(imageSize), &imageSize); HISize lineSize = {50.0, 20.0}; SetEventParameter(inEvent, kEventParamLineSize, typeHISize, sizeof(lineSize), &lineSize); HIRect bounds; HIViewGetBounds(myData->view, &bounds); SetEventParameter(inEvent, kEventParamViewSize, typeHISize, sizeof(bounds.size), &bounds.size); SetEventParameter(inEvent, kEventParamOrigin, typeHIPoint, sizeof(myData->originPoint), &myData->originPoint); result = noErr; break; } case kEventScrollableScrollTo: { // we're being asked to scroll, we just do a sanity check and ask for a redraw HIPoint where; GetEventParameter(inEvent, kEventParamOrigin, typeHIPoint, NULL, sizeof(where), NULL, &where); HIViewSetNeedsDisplay(myData->view, true); myData->originPoint.y = (where.y < 0.0)?0.0:where.y; HIViewSetBoundsOrigin(myData->view, 0, myData->originPoint.y); break; } default: break; } break; case kEventClassControl: switch (GetEventKind(inEvent)) { // sets the feature of the view. case kEventControlInitialize: { result = CallNextEventHandler(inCaller, inEvent); if (result != noErr) break; UInt32 features = 0; result = GetEventParameter(inEvent, kEventParamControlFeatures, typeUInt32, NULL, sizeof(features), NULL, &features); if (result == noErr) features |= kControlSupportsEmbedding; else features = kControlSupportsEmbedding; result = SetEventParameter(inEvent, kEventParamControlFeatures, typeUInt32, sizeof features, &features); break; } // Our parent view just changed dimensions, so we determined our new height. case kEventControlSetData: CFRelease(myData->theText); CFStringRef *p; GetEventParameter(inEvent, kEventParamControlDataBuffer, typePtr, NULL, sizeof(p), NULL, &p); myData->theText = *p; CFRetain(myData->theText); // fallthrough case kEventControlBoundsChanged: { HIRect bounds; HIViewGetBounds(myData->view, &bounds); // // If we're building on Panther (or later) then HIThemeGetTextDimensions is available, else we use GetThemeTextDimensions // #if PANTHER_BUILD // // Furthermore, if we're running on Panther then we can call HIThemeGetTextDimensions else we call GetThemeTextDimensions // if (GetHIToolboxVersion() >= Panther_HIToolbox_Version) { HIThemeTextInfo textInfo = {0, kThemeStateActive, kScrollingTextBoxFontID, kHIThemeTextHorizontalFlushLeft, kHIThemeTextVerticalFlushTop, kHIThemeTextBoxOptionStronglyVertical, kHIThemeTextTruncationNone, 0, false}; HIThemeGetTextDimensions(myData->theText, bounds.size.width - kMargin - kMargin, &textInfo, NULL, &myData->height, NULL); } else #endif { Point pointBounds; pointBounds.h = (int)(bounds.size.width - kMargin - kMargin); GetThemeTextDimensions(myData->theText, kScrollingTextBoxFontID, kThemeStateActive, true, &pointBounds, NULL); myData->height = pointBounds.v; } myData->height += 2.0 * kMargin; HIViewSetNeedsDisplay(myData->view, true); result = eventNotHandledErr; break; } // Draw the view. case kEventControlDraw: { CGContextRef context; result = GetEventParameter(inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(context), NULL, &context); HIRect bounds; HIViewGetBounds(myData->view, &bounds); CGContextSaveGState(context); CGAffineTransform transform = CGAffineTransformIdentity; // adjust the transform so the text doesn't draw upside down transform = CGAffineTransformScale(transform, 1, -1); CGContextSetTextMatrix(context, transform); // now that the proper parameters and configurations have been dealt with, let's draw result = ScrollingTextBoxDraw(context, &bounds, myData); CGContextRestoreGState(context); if (myData->autoScroll) CGContextStrokeRect(context, bounds); // we postpone starting the autoscroll timer until after we do our first drawing if ( (myData->autoScroll) && (myData->theTimer == NULL) ) InstallEventLoopTimer(GetCurrentEventLoop(), TicksToEventTime(myData->delayBeforeAutoScroll), TicksToEventTime(myData->delayBetweenAutoScroll), myScrollingTextTimeProc, myData, &myData->theTimer); result = noErr; break; } default: break; } break; default: break; } return result; }
static OSStatus local_CoreTR(CGContextRef ctx, CGRect r, CFStringRef string, CFStringRef fontName, CGFloat fontSize, TRFallbackBehavior fallbackBehavior, Boolean render, CGFloat baseline, TRInfo* oInfo) { if (!ctx || !string || !fontName) return paramErr; CGContextSaveGState(ctx); CGContextSetTextMatrix(ctx, CGAffineTransformIdentity); CTFontDescriptorRef fdesc = CTFontDescriptorCreateWithNameAndSize(fontName, fontSize); CTFontRef font = CTFontCreateWithFontDescriptor(fdesc, fontSize, NULL); CFIndex slen = CFStringGetLength(string); CFRange range = CFRangeMake(0L,slen); UniChar* buff = calloc(slen, sizeof(UniChar)); CFStringGetCharacters(string, range, buff); CGGlyph* glyphs = calloc(slen, sizeof(CGGlyph)); Boolean supported = CTFontGetGlyphsForCharacters(font, buff, glyphs, slen); //NSLog(@"%@ supported for '%@'? %d", fontName, string, supported); CFRelease(fdesc); if (!supported) { if (fallbackBehavior == TRLastResortFallbackBehavior) { CFRelease(font); fdesc = CTFontDescriptorCreateWithNameAndSize(CFSTR("LastResort"), fontSize); font = CTFontCreateWithFontDescriptor(fdesc, fontSize, NULL); CFRelease(fdesc); supported = true; } else { CFRange rng = CFRangeMake(0L, CFStringGetLength(string)); CTFontRef font2 = CTFontCreateForString(font, string, rng); CFRelease(font); CFStringRef fontName2 = CTFontCopyName(font2, kCTFontFullNameKey); fdesc = CTFontDescriptorCreateWithNameAndSize(fontName2, fontSize); //NSLog(@"falling back to %@ from %@ : %@", fontName2, fontName, fdesc); CFRelease(fontName2); font = CTFontCreateWithFontDescriptor(fdesc, fontSize, NULL); CFRelease(fdesc); supported = CTFontGetGlyphsForCharacters(font, buff, glyphs, slen); } } free(buff); free(glyphs); CFMutableDictionaryRef attrs = CFDictionaryCreateMutable(kCFAllocatorDefault, 1L, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); CFDictionarySetValue(attrs, kCTFontAttributeName, font); CFAttributedStringRef attrStr = CFAttributedStringCreate(kCFAllocatorDefault, string, attrs); CFRelease(attrs); CTLineRef line = CTLineCreateWithAttributedString(attrStr); CFRelease(attrStr); CGRect bounds = CTLineGetImageBounds(line, ctx); CGFloat descent = CTFontGetDescent(font); CGFloat ascent = CTFontGetAscent(font); CFRelease(font); if (baseline < 0.0L) baseline = ((r.size.height - bounds.size.height + descent)/2.0L); if (render && (supported || fallbackBehavior != TRNoRenderFallbackBehavior)) { CGFloat x = r.origin.x + (r.size.width/2.0L) - (bounds.size.width/2.0L) - bounds.origin.x; CGFloat y = r.origin.y + baseline; CGPoint where = CGPointMake(x, y); CGContextSetTextPosition(ctx, where.x, where.y); CTLineDraw(line, ctx); } CFRelease(line); if (oInfo) { oInfo->height = bounds.size.height + descent; oInfo->width = bounds.size.width; oInfo->ascent = ascent; oInfo->descent = descent; oInfo->baseline = baseline; oInfo->fontSupported = supported; } CGContextRestoreGState(ctx); return (supported)? noErr:kATSUFontsNotMatched; }
void c_CGContextSetTextMatrix(CGContextRef c, CGAffineTransform *t) { CGContextSetTextMatrix(c,*t); }
static bool font_renderer_create_atlas(CTFontRef face, ct_font_renderer_t *handle) { int max_width, max_height; unsigned i; size_t bytesPerRow; CGGlyph glyphs[CT_ATLAS_SIZE]; CGRect bounds[CT_ATLAS_SIZE]; CGSize advances[CT_ATLAS_SIZE]; float ascent, descent; CGContextRef offscreen; CFDictionaryRef attr; CFTypeRef values[1]; CFStringRef keys[1]; void *bitmapData = NULL; bool ret = true; size_t bitsPerComponent = 8; UniChar characters[CT_ATLAS_SIZE] = {0}; values[0] = face; keys[0] = kCTFontAttributeName; for (i = 0; i < CT_ATLAS_SIZE; i++) characters[i] = (UniChar)i; CTFontGetGlyphsForCharacters(face, characters, glyphs, CT_ATLAS_SIZE); CTFontGetBoundingRectsForGlyphs(face, #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 kCTFontOrientationDefault, #else kCTFontDefaultOrientation, #endif glyphs, bounds, CT_ATLAS_SIZE); CTFontGetAdvancesForGlyphs(face, #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 kCTFontOrientationDefault, #else kCTFontDefaultOrientation, #endif glyphs, advances, CT_ATLAS_SIZE); ascent = CTFontGetAscent(face); descent = CTFontGetDescent(face); max_width = 0; max_height = 0; for (i = 0; i < CT_ATLAS_SIZE; i++) { int origin_x, origin_y; struct font_glyph *glyph = &handle->glyphs[i]; if (!glyph) continue; origin_x = ceil(bounds[i].origin.x); origin_y = ceil(bounds[i].origin.y); glyph->draw_offset_x = 0; glyph->draw_offset_y = -ascent; glyph->width = ceil(bounds[i].size.width); glyph->height = ceil(bounds[i].size.height); glyph->advance_x = ceil(advances[i].width); glyph->advance_y = ceil(advances[i].height); max_width = MAX(max_width, (origin_x + glyph->width)); max_height = MAX(max_height, (origin_y + glyph->height)); } max_height = MAX(max_height, ceil(ascent+descent)); handle->atlas.width = max_width * CT_ATLAS_COLS; handle->atlas.height = max_height * CT_ATLAS_ROWS; handle->atlas.buffer = (uint8_t*) calloc(handle->atlas.width * handle->atlas.height, 1); if (!handle->atlas.buffer) { ret = false; goto end; } bytesPerRow = max_width; bitmapData = calloc(max_height, bytesPerRow); offscreen = CGBitmapContextCreate(bitmapData, max_width, max_height, bitsPerComponent, bytesPerRow, NULL, kCGImageAlphaOnly); CGContextSetTextMatrix(offscreen, CGAffineTransformIdentity); attr = CFDictionaryCreate(NULL, (const void **)&keys, (const void **)&values, sizeof(keys) / sizeof(keys[0]), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); for (i = 0; i < CT_ATLAS_SIZE; i++) { char glyph_cstr[2]; const uint8_t *src; uint8_t *dst; unsigned offset_x, offset_y, r, c; CFStringRef glyph_cfstr; CFAttributedStringRef attrString; CTLineRef line; struct font_glyph *glyph = &handle->glyphs[i]; if (!glyph) continue; glyph->width = max_width; glyph->height = max_height; offset_x = (i % CT_ATLAS_COLS) * max_width; offset_y = (i / CT_ATLAS_COLS) * max_height; glyph->atlas_offset_x = offset_x; glyph->atlas_offset_y = offset_y; glyph_cstr[0] = i; glyph_cstr[1] = 0; glyph_cfstr = CFStringCreateWithCString( NULL, glyph_cstr, kCFStringEncodingASCII ); attrString = CFAttributedStringCreate(NULL, glyph_cfstr, attr); CFRelease(glyph_cfstr); glyph_cfstr = NULL; line = CTLineCreateWithAttributedString(attrString); CFRelease(attrString); attrString = NULL; memset( bitmapData, 0, max_height * bytesPerRow ); CGContextSetTextPosition(offscreen, 0, descent); CTLineDraw(line, offscreen); CGContextFlush( offscreen ); CFRelease( line ); line = NULL; dst = (uint8_t*)handle->atlas.buffer; src = (const uint8_t*)bitmapData; for (r = 0; r < max_height; r++ ) { for (c = 0; c < max_width; c++) { unsigned src_idx = r * bytesPerRow + c; unsigned dest_idx = (r + offset_y) * (CT_ATLAS_COLS * max_width) + (c + offset_x); uint8_t v = src[src_idx]; dst[dest_idx] = v; } } } CFRelease(attr); CGContextRelease(offscreen); attr = NULL; offscreen = NULL; free(bitmapData); end: return ret; }
static cairo_int_status_t _cairo_quartz_init_glyph_surface (cairo_quartz_scaled_font_t *font, cairo_scaled_glyph_t *scaled_glyph) { cairo_int_status_t status = CAIRO_STATUS_SUCCESS; cairo_quartz_font_face_t *font_face = _cairo_quartz_scaled_to_face(font); cairo_image_surface_t *surface = NULL; CGGlyph glyph = _cairo_quartz_scaled_glyph_index (scaled_glyph); int advance; CGRect bbox; double width, height; double emscale = CGFontGetUnitsPerEmPtr (font_face->cgFont); CGContextRef cgContext = NULL; CGAffineTransform textMatrix; CGRect glyphRect, glyphRectInt; CGPoint glyphOrigin; //fprintf (stderr, "scaled_glyph: %p surface: %p\n", scaled_glyph, scaled_glyph->surface); /* Create blank 2x2 image if we don't have this character. * Maybe we should draw a better missing-glyph slug or something, * but this is ok for now. */ if (glyph == INVALID_GLYPH) { surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, 2, 2); status = cairo_surface_status ((cairo_surface_t *) surface); if (status) return status; _cairo_scaled_glyph_set_surface (scaled_glyph, &font->base, surface); return CAIRO_STATUS_SUCCESS; } if (!CGFontGetGlyphAdvancesPtr (font_face->cgFont, &glyph, 1, &advance) || !CGFontGetGlyphBBoxesPtr (font_face->cgFont, &glyph, 1, &bbox)) { return CAIRO_INT_STATUS_UNSUPPORTED; } /* scale(1,-1) * font->base.scale * scale(1,-1) */ textMatrix = CGAffineTransformMake (font->base.scale.xx, -font->base.scale.yx, -font->base.scale.xy, font->base.scale.yy, 0, -0); glyphRect = CGRectMake (bbox.origin.x / emscale, bbox.origin.y / emscale, bbox.size.width / emscale, bbox.size.height / emscale); glyphRect = CGRectApplyAffineTransform (glyphRect, textMatrix); /* Round the rectangle outwards, so that we don't have to deal * with non-integer-pixel origins or dimensions. */ glyphRectInt = CGRectIntegral (glyphRect); #if 0 fprintf (stderr, "glyphRect[o]: %f %f %f %f\n", glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height); fprintf (stderr, "glyphRectInt: %f %f %f %f\n", glyphRectInt.origin.x, glyphRectInt.origin.y, glyphRectInt.size.width, glyphRectInt.size.height); #endif glyphOrigin = glyphRectInt.origin; //textMatrix = CGAffineTransformConcat (textMatrix, CGAffineTransformInvert (ctm)); width = glyphRectInt.size.width; height = glyphRectInt.size.height; //fprintf (stderr, "glyphRect[n]: %f %f %f %f\n", glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height); surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, width, height); if (surface->base.status) return surface->base.status; if (surface->width != 0 && surface->height != 0) { cgContext = CGBitmapContextCreate (surface->data, surface->width, surface->height, 8, surface->stride, NULL, kCGImageAlphaOnly); if (cgContext == NULL) { cairo_surface_destroy (&surface->base); return _cairo_error (CAIRO_STATUS_NO_MEMORY); } CGContextSetFont (cgContext, font_face->cgFont); CGContextSetFontSize (cgContext, 1.0); CGContextSetTextMatrix (cgContext, textMatrix); switch (font->base.options.antialias) { case CAIRO_ANTIALIAS_SUBPIXEL: case CAIRO_ANTIALIAS_BEST: CGContextSetShouldAntialias (cgContext, TRUE); CGContextSetShouldSmoothFonts (cgContext, TRUE); if (CGContextSetAllowsFontSmoothingPtr && !CGContextGetAllowsFontSmoothingPtr (cgContext)) CGContextSetAllowsFontSmoothingPtr (cgContext, TRUE); break; case CAIRO_ANTIALIAS_NONE: CGContextSetShouldAntialias (cgContext, FALSE); break; case CAIRO_ANTIALIAS_GRAY: case CAIRO_ANTIALIAS_GOOD: case CAIRO_ANTIALIAS_FAST: CGContextSetShouldAntialias (cgContext, TRUE); CGContextSetShouldSmoothFonts (cgContext, FALSE); break; case CAIRO_ANTIALIAS_DEFAULT: default: /* Don't do anything */ break; } CGContextSetAlpha (cgContext, 1.0); CGContextShowGlyphsAtPoint (cgContext, - glyphOrigin.x, - glyphOrigin.y, &glyph, 1); CGContextRelease (cgContext); } cairo_surface_set_device_offset (&surface->base, - glyphOrigin.x, height + glyphOrigin.y); _cairo_scaled_glyph_set_surface (scaled_glyph, &font->base, surface); return status; }
void Font::drawGlyphs(GraphicsContext* graphicsContext, const SimpleFontData* font, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) const { CGContextRef cgContext = graphicsContext->platformContext(); bool shouldUseFontSmoothing = WebCoreShouldUseFontSmoothing(); if (font->platformData().useGDI()) { static bool canUsePlatformNativeGlyphs = wkCanUsePlatformNativeGlyphs(); if (!canUsePlatformNativeGlyphs || !shouldUseFontSmoothing || (graphicsContext->textDrawingMode() & cTextStroke)) { drawGDIGlyphs(graphicsContext, font, glyphBuffer, from, numGlyphs, point); return; } } uint32_t oldFontSmoothingStyle = wkSetFontSmoothingStyle(cgContext, shouldUseFontSmoothing); const FontPlatformData& platformData = font->platformData(); CGContextSetFont(cgContext, platformData.cgFont()); CGAffineTransform matrix = CGAffineTransformIdentity; matrix.b = -matrix.b; matrix.d = -matrix.d; if (platformData.syntheticOblique()) { static float skew = -tanf(syntheticObliqueAngle * piFloat / 180.0f); matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, skew, 1, 0, 0)); } CGContextSetTextMatrix(cgContext, matrix); // Uniscribe gives us offsets to help refine the positioning of combining glyphs. FloatSize translation = glyphBuffer.offsetAt(from); CGContextSetFontSize(cgContext, platformData.size()); wkSetCGContextFontRenderingStyle(cgContext, font->isSystemFont(), false, font->platformData().useGDI()); IntSize shadowSize; int shadowBlur; Color shadowColor; graphicsContext->getShadow(shadowSize, shadowBlur, shadowColor); bool hasSimpleShadow = graphicsContext->textDrawingMode() == cTextFill && shadowColor.isValid() && !shadowBlur; if (hasSimpleShadow) { // Paint simple shadows ourselves instead of relying on CG shadows, to avoid losing subpixel antialiasing. graphicsContext->clearShadow(); Color fillColor = graphicsContext->fillColor(); Color shadowFillColor(shadowColor.red(), shadowColor.green(), shadowColor.blue(), shadowColor.alpha() * fillColor.alpha() / 255); graphicsContext->setFillColor(shadowFillColor); CGContextSetTextPosition(cgContext, point.x() + translation.width() + shadowSize.width(), point.y() + translation.height() + shadowSize.height()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); if (font->m_syntheticBoldOffset) { CGContextSetTextPosition(cgContext, point.x() + translation.width() + shadowSize.width() + font->m_syntheticBoldOffset, point.y() + translation.height() + shadowSize.height()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); } graphicsContext->setFillColor(fillColor); } CGContextSetTextPosition(cgContext, point.x() + translation.width(), point.y() + translation.height()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); if (font->m_syntheticBoldOffset) { CGContextSetTextPosition(cgContext, point.x() + translation.width() + font->m_syntheticBoldOffset, point.y() + translation.height()); CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs); } if (hasSimpleShadow) graphicsContext->setShadow(shadowSize, shadowBlur, shadowColor); wkRestoreFontSmoothingStyle(cgContext, oldFontSmoothingStyle); }
static cairo_status_t _cairo_atsui_font_show_glyphs(void *abstract_font, cairo_operator_t operator, cairo_pattern_t *pattern, cairo_surface_t *generic_surface, int source_x, int source_y, int dest_x, int dest_y, unsigned int width, unsigned int height, const cairo_glyph_t *glyphs, int num_glyphs) { cairo_atsui_font_t *font = abstract_font; CGContextRef myBitmapContext; CGColorSpaceRef colorSpace; cairo_image_surface_t *destImageSurface; int i; void *extra = NULL; cairo_rectangle_t rect = {dest_x, dest_y, width, height}; _cairo_surface_acquire_dest_image(generic_surface, &rect, &destImageSurface, &rect, &extra); // Create a CGBitmapContext for the dest surface for drawing into colorSpace = CGColorSpaceCreateDeviceRGB(); myBitmapContext = CGBitmapContextCreate(destImageSurface->data, destImageSurface->width, destImageSurface->height, destImageSurface->depth / 4, destImageSurface->stride, colorSpace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host); CGContextTranslateCTM(myBitmapContext, 0, destImageSurface->height); CGContextScaleCTM(myBitmapContext, 1.0f, -1.0f); ATSFontRef atsFont = FMGetATSFontRefFromFont(font->fontID); CGFontRef cgFont = CGFontCreateWithPlatformFont(&atsFont); CGContextSetFont(myBitmapContext, cgFont); CGAffineTransform textTransform = CGAffineTransformMakeWithCairoFontScale(&font->scale); textTransform = CGAffineTransformScale(textTransform, 1.0f, -1.0f); CGContextSetFontSize(myBitmapContext, 1.0); CGContextSetTextMatrix(myBitmapContext, textTransform); if (pattern->type == CAIRO_PATTERN_SOLID && _cairo_pattern_is_opaque_solid(pattern)) { cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *)pattern; CGContextSetRGBFillColor(myBitmapContext, solid->color.red, solid->color.green, solid->color.blue, 1.0f); } else { CGContextSetRGBFillColor(myBitmapContext, 0.0f, 0.0f, 0.0f, 0.0f); } // TODO - bold and italic text // // We could draw the text using ATSUI and get bold, italics // etc. for free, but ATSUI does a lot of text layout work // that we don't really need... for (i = 0; i < num_glyphs; i++) { CGGlyph theGlyph = glyphs[i].index; CGContextShowGlyphsAtPoint(myBitmapContext, glyphs[i].x, glyphs[i].y, &theGlyph, 1); } CGColorSpaceRelease(colorSpace); CGContextRelease(myBitmapContext); _cairo_surface_release_dest_image(generic_surface, &rect, destImageSurface, &rect, extra); return CAIRO_STATUS_SUCCESS; }
FX_BOOL CFX_QuartzDeviceDriver::CG_DrawGlypRun(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont, CFX_FontCache* pCache, const CFX_AffineMatrix* pGlyphMatrix, const CFX_AffineMatrix* pObject2Device, FX_FLOAT font_size, FX_DWORD argb, int alpha_flag, void* pIccTransform) { if (nChars == 0) { return TRUE; } CQuartz2D& quartz2d = ((CApplePlatform *) CFX_GEModule::Get()->GetPlatformData())->_quartz2d; if (!pFont->m_pPlatformFont) { if (pFont->GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) { return FALSE; } pFont->m_pPlatformFont = quartz2d.CreateFont(pFont->m_pFontData, pFont->m_dwSize); if (NULL == pFont->m_pPlatformFont) { return FALSE; } } CFX_FixedBufGrow<FX_WORD, 32> glyph_indices(nChars); CFX_FixedBufGrow<CGPoint, 32> glyph_positions(nChars); for (int i = 0; i < nChars; i++ ) { glyph_indices[i] = pCharPos[i].m_ExtGID; glyph_positions[i].x = pCharPos[i].m_OriginX; glyph_positions[i].y = pCharPos[i].m_OriginY; } CFX_AffineMatrix text_matrix; if (pObject2Device) { text_matrix.Concat(*pObject2Device); } CGAffineTransform matrix_cg = CGAffineTransformMake(text_matrix.a, text_matrix.b, text_matrix.c, text_matrix.d, text_matrix.e, text_matrix.f); matrix_cg = CGAffineTransformConcat(matrix_cg, _foxitDevice2User); CGContextSetTextMatrix(_context, matrix_cg); CGContextSetFont(_context, (CGFontRef)pFont->m_pPlatformFont); CGContextSetFontSize(_context, FXSYS_fabs(font_size)); FX_INT32 a, r, g, b; ArgbDecode(argb, a, r, g, b); CGContextSetRGBFillColor(_context, r / 255.f, g / 255.f, b / 255.f, a / 255.f); SaveState(); if (pGlyphMatrix) { CGPoint origin = CGPointMake( glyph_positions[0].x, glyph_positions[0].y); origin = CGPointApplyAffineTransform(origin, matrix_cg); CGContextTranslateCTM(_context, origin.x, origin.y); CGAffineTransform glyph_matrix = CGAffineTransformMake(pGlyphMatrix->a, pGlyphMatrix->b, pGlyphMatrix->c, pGlyphMatrix->d, pGlyphMatrix->e, pGlyphMatrix->f); if (_foxitDevice2User.d < 0) { glyph_matrix = CGAffineTransformInvert(glyph_matrix); } CGContextConcatCTM(_context, glyph_matrix); CGContextTranslateCTM(_context, -origin.x, -origin.y); } CGContextShowGlyphsAtPositions(_context, (CGGlyph*)glyph_indices, glyph_positions, nChars); RestoreState(FALSE); return TRUE; }
static cairo_int_status_t _cairo_quartz_init_glyph_surface (cairo_quartz_scaled_font_t *font, cairo_scaled_glyph_t *scaled_glyph) { cairo_int_status_t status = CAIRO_STATUS_SUCCESS; cairo_quartz_font_face_t *font_face = _cairo_quartz_scaled_to_face(font); cairo_image_surface_t *surface = NULL; CGGlyph glyph = _cairo_quartz_scaled_glyph_index (scaled_glyph); int advance; CGRect bbox; double width, height; double xscale, yscale; double emscale = CGFontGetUnitsPerEmPtr (font_face->cgFont); CGColorSpaceRef gray; CGContextRef cgContext = NULL; CGAffineTransform textMatrix; CGRect glyphRect, glyphRectInt; CGPoint glyphOrigin; //fprintf (stderr, "scaled_glyph: %p surface: %p\n", scaled_glyph, scaled_glyph->surface); /* Create blank 2x2 image if we don't have this character. * Maybe we should draw a better missing-glyph slug or something, * but this is ok for now. */ if (glyph == INVALID_GLYPH) { surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, 2, 2); status = cairo_surface_status ((cairo_surface_t *) surface); if (status) return status; _cairo_scaled_glyph_set_surface (scaled_glyph, &font->base, surface); return CAIRO_STATUS_SUCCESS; } if (!CGFontGetGlyphAdvancesPtr (font_face->cgFont, &glyph, 1, &advance) || !CGFontGetGlyphBBoxesPtr (font_face->cgFont, &glyph, 1, &bbox)) { return CAIRO_INT_STATUS_UNSUPPORTED; } status = _cairo_matrix_compute_basis_scale_factors (&font->base.scale, &xscale, &yscale, 1); if (status) return status; textMatrix = CGAffineTransformMake (font->base.scale.xx, -font->base.scale.yx, -font->base.scale.xy, font->base.scale.yy, 0.0f, 0.0f); glyphRect = CGRectMake (bbox.origin.x / emscale, bbox.origin.y / emscale, bbox.size.width / emscale, bbox.size.height / emscale); glyphRect = CGRectApplyAffineTransform (glyphRect, textMatrix); /* Round the rectangle outwards, so that we don't have to deal * with non-integer-pixel origins or dimensions. */ glyphRectInt = CGRectIntegral (glyphRect); #if 0 fprintf (stderr, "glyphRect[o]: %f %f %f %f\n", glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height); fprintf (stderr, "glyphRectInt: %f %f %f %f\n", glyphRectInt.origin.x, glyphRectInt.origin.y, glyphRectInt.size.width, glyphRectInt.size.height); #endif glyphOrigin = glyphRectInt.origin; //textMatrix = CGAffineTransformConcat (textMatrix, CGAffineTransformInvert (ctm)); width = glyphRectInt.size.width; height = glyphRectInt.size.height; //fprintf (stderr, "glyphRect[n]: %f %f %f %f\n", glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height); surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, width, height); if (surface->base.status) return surface->base.status; gray = CGColorSpaceCreateDeviceGray (); cgContext = CGBitmapContextCreate (surface->data, surface->width, surface->height, 8, surface->stride, gray, kCGImageAlphaNone); CGColorSpaceRelease (gray); CGContextSetFont (cgContext, font_face->cgFont); CGContextSetFontSize (cgContext, 1.0); CGContextSetTextMatrix (cgContext, textMatrix); CGContextClearRect (cgContext, CGRectMake (0.0f, 0.0f, width, height)); if (font->base.options.antialias == CAIRO_ANTIALIAS_NONE) CGContextSetShouldAntialias (cgContext, false); CGContextSetRGBFillColor (cgContext, 1.0, 1.0, 1.0, 1.0); CGContextShowGlyphsAtPoint (cgContext, - glyphOrigin.x, - glyphOrigin.y, &glyph, 1); CGContextRelease (cgContext); cairo_surface_set_device_offset (&surface->base, - glyphOrigin.x, height + glyphOrigin.y); _cairo_scaled_glyph_set_surface (scaled_glyph, &font->base, surface); return status; }