ComplexTextController::ComplexTextRun::ComplexTextRun(CTRunRef ctRun, const SimpleFontData* fontData, const UChar* characters, unsigned stringLocation, size_t stringLength, CFRange runRange) : m_fontData(fontData) , m_characters(characters) , m_stringLocation(stringLocation) , m_stringLength(stringLength) , m_indexEnd(runRange.location + runRange.length) , m_isMonotonic(true) { m_glyphCount = CTRunGetGlyphCount(ctRun); m_coreTextIndices = CTRunGetStringIndicesPtr(ctRun); if (!m_coreTextIndices) { m_coreTextIndicesVector.grow(m_glyphCount); CTRunGetStringIndices(ctRun, CFRangeMake(0, 0), m_coreTextIndicesVector.data()); m_coreTextIndices = m_coreTextIndicesVector.data(); } m_glyphs = CTRunGetGlyphsPtr(ctRun); if (!m_glyphs) { m_glyphsVector.grow(m_glyphCount); CTRunGetGlyphs(ctRun, CFRangeMake(0, 0), m_glyphsVector.data()); m_glyphs = m_glyphsVector.data(); } m_advances = CTRunGetAdvancesPtr(ctRun); if (!m_advances) { m_advancesVector.grow(m_glyphCount); CTRunGetAdvances(ctRun, CFRangeMake(0, 0), m_advancesVector.data()); m_advances = m_advancesVector.data(); } }
CoreTextController::CoreTextRun::CoreTextRun(CTRunRef ctRun, const SimpleFontData* fontData, const UChar* characters, unsigned stringLocation, size_t stringLength) : m_CTRun(ctRun) , m_fontData(fontData) , m_characters(characters) , m_stringLocation(stringLocation) , m_stringLength(stringLength) { m_glyphCount = CTRunGetGlyphCount(ctRun); m_indices = CTRunGetStringIndicesPtr(ctRun); if (!m_indices) { m_indicesData.adoptCF(CFDataCreateMutable(kCFAllocatorDefault, m_glyphCount * sizeof(CFIndex))); CFDataIncreaseLength(m_indicesData.get(), m_glyphCount * sizeof(CFIndex)); m_indices = reinterpret_cast<const CFIndex*>(CFDataGetMutableBytePtr(m_indicesData.get())); CTRunGetStringIndices(ctRun, CFRangeMake(0, 0), const_cast<CFIndex*>(m_indices)); } }
bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData) { bool haveGlyphs = false; Vector<CGGlyph, 512> glyphs(bufferLength); if (!shouldUseCoreText(buffer, bufferLength, fontData)) { // We pass in either 256 or 512 UTF-16 characters: 256 for U+FFFF and less, 512 (double character surrogates) // for U+10000 and above. It is indeed possible to get back 512 glyphs back from the API, so the glyph buffer // we pass in must be 512. If we get back more than 256 glyphs though we'll ignore all the ones after 256, // this should not happen as the only time we pass in 512 characters is when they are surrogates. CGFontGetGlyphsForUnichars(fontData->platformData().cgFont(), buffer, glyphs.data(), bufferLength); for (unsigned i = 0; i < length; ++i) { if (!glyphs[i]) setGlyphDataForIndex(offset + i, 0, 0); else { setGlyphDataForIndex(offset + i, glyphs[i], fontData); haveGlyphs = true; } } } else if (!fontData->platformData().isCompositeFontReference() && ((fontData->platformData().widthVariant() == RegularWidth) ? wkGetVerticalGlyphsForCharacters(fontData->platformData().ctFont(), buffer, glyphs.data(), bufferLength) : CTFontGetGlyphsForCharacters(fontData->platformData().ctFont(), buffer, glyphs.data(), bufferLength))) { // When buffer consists of surrogate pairs, wkGetVerticalGlyphsForCharacters and CTFontGetGlyphsForCharacters // place the glyphs at indices corresponding to the first character of each pair. unsigned glyphStep = bufferLength / length; for (unsigned i = 0; i < length; ++i) { if (!glyphs[i * glyphStep]) setGlyphDataForIndex(offset + i, 0, 0); else { setGlyphDataForIndex(offset + i, glyphs[i * glyphStep], fontData); haveGlyphs = true; } } } else { // We ask CoreText for possible vertical variant glyphs RetainPtr<CFStringRef> string = adoptCF(CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, buffer, bufferLength, kCFAllocatorNull)); RetainPtr<CFAttributedStringRef> attributedString = adoptCF(CFAttributedStringCreate(kCFAllocatorDefault, string.get(), fontData->getCFStringAttributes(0, fontData->hasVerticalGlyphs() ? Vertical : Horizontal))); RetainPtr<CTLineRef> line = adoptCF(CTLineCreateWithAttributedString(attributedString.get())); CFArrayRef runArray = CTLineGetGlyphRuns(line.get()); CFIndex runCount = CFArrayGetCount(runArray); // Initialize glyph entries for (unsigned index = 0; index < length; ++index) setGlyphDataForIndex(offset + index, 0, 0); Vector<CGGlyph, 512> glyphVector; Vector<CFIndex, 512> indexVector; bool done = false; // For the CGFont comparison in the loop, use the CGFont that Core Text assigns to the CTFont. This may // be non-CFEqual to fontData->platformData().cgFont(). RetainPtr<CGFontRef> cgFont = adoptCF(CTFontCopyGraphicsFont(fontData->platformData().ctFont(), 0)); for (CFIndex r = 0; r < runCount && !done ; ++r) { // CTLine could map characters over multiple fonts using its own font fallback list. // We need to pick runs that use the exact font we need, i.e., fontData->platformData().ctFont(). CTRunRef ctRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runArray, r)); ASSERT(CFGetTypeID(ctRun) == CTRunGetTypeID()); CFDictionaryRef attributes = CTRunGetAttributes(ctRun); CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(attributes, kCTFontAttributeName)); RetainPtr<CGFontRef> runCGFont = adoptCF(CTFontCopyGraphicsFont(runFont, 0)); // Use CGFont here as CFEqual for CTFont counts all attributes for font. bool gotBaseFont = CFEqual(cgFont.get(), runCGFont.get()); if (gotBaseFont || fontData->platformData().isCompositeFontReference()) { // This run uses the font we want. Extract glyphs. CFIndex glyphCount = CTRunGetGlyphCount(ctRun); const CGGlyph* glyphs = CTRunGetGlyphsPtr(ctRun); if (!glyphs) { glyphVector.resize(glyphCount); CTRunGetGlyphs(ctRun, CFRangeMake(0, 0), glyphVector.data()); glyphs = glyphVector.data(); } const CFIndex* stringIndices = CTRunGetStringIndicesPtr(ctRun); if (!stringIndices) { indexVector.resize(glyphCount); CTRunGetStringIndices(ctRun, CFRangeMake(0, 0), indexVector.data()); stringIndices = indexVector.data(); } if (gotBaseFont) { for (CFIndex i = 0; i < glyphCount; ++i) { if (stringIndices[i] >= static_cast<CFIndex>(length)) { done = true; break; } if (glyphs[i]) { setGlyphDataForIndex(offset + stringIndices[i], glyphs[i], fontData); haveGlyphs = true; } } #if !PLATFORM(IOS) } else { const SimpleFontData* runSimple = fontData->getCompositeFontReferenceFontData((NSFont *)runFont); if (runSimple) { for (CFIndex i = 0; i < glyphCount; ++i) { if (stringIndices[i] >= static_cast<CFIndex>(length)) { done = true; break; } if (glyphs[i]) { setGlyphDataForIndex(offset + stringIndices[i], glyphs[i], runSimple); haveGlyphs = true; } } } #endif // !PLATFORM(IOS) } } } } return haveGlyphs; }
bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData) { bool haveGlyphs = false; #ifndef BUILDING_ON_TIGER if (fontData->orientation() == Horizontal || fontData->isBrokenIdeographFont()) { Vector<CGGlyph, 512> glyphs(bufferLength); wkGetGlyphsForCharacters(fontData->platformData().cgFont(), buffer, glyphs.data(), bufferLength); for (unsigned i = 0; i < length; ++i) { if (!glyphs[i]) setGlyphDataForIndex(offset + i, 0, 0); else { setGlyphDataForIndex(offset + i, glyphs[i], fontData); haveGlyphs = true; } } } else { // We ask CoreText for possible vertical variant glyphs RetainPtr<CFStringRef> string(AdoptCF, CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, buffer, bufferLength, kCFAllocatorNull)); RetainPtr<CFAttributedStringRef> attributedString(AdoptCF, CFAttributedStringCreate(kCFAllocatorDefault, string.get(), fontData->getCFStringAttributes(0))); RetainPtr<CTLineRef> line(AdoptCF, CTLineCreateWithAttributedString(attributedString.get())); CFArrayRef runArray = CTLineGetGlyphRuns(line.get()); CFIndex runCount = CFArrayGetCount(runArray); // Initialize glyph entries for (unsigned index = 0; index < length; ++index) setGlyphDataForIndex(offset + index, 0, 0); Vector<CGGlyph, 512> glyphVector; Vector<CFIndex, 512> indexVector; bool done = false; for (CFIndex r = 0; r < runCount && !done ; ++r) { // CTLine could map characters over multiple fonts using its own font fallback list. // We need to pick runs that use the exact font we need, i.e., fontData->platformData().ctFont(). CTRunRef ctRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runArray, r)); ASSERT(CFGetTypeID(ctRun) == CTRunGetTypeID()); CFDictionaryRef attributes = CTRunGetAttributes(ctRun); CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(attributes, kCTFontAttributeName)); RetainPtr<CGFontRef> runCGFont(AdoptCF, CTFontCopyGraphicsFont(runFont, 0)); // Use CGFont here as CFEqual for CTFont counts all attributes for font. if (CFEqual(fontData->platformData().cgFont(), runCGFont.get())) { // This run uses the font we want. Extract glyphs. CFIndex glyphCount = CTRunGetGlyphCount(ctRun); const CGGlyph* glyphs = CTRunGetGlyphsPtr(ctRun); if (!glyphs) { glyphVector.resize(glyphCount); CTRunGetGlyphs(ctRun, CFRangeMake(0, 0), glyphVector.data()); glyphs = glyphVector.data(); } const CFIndex* stringIndices = CTRunGetStringIndicesPtr(ctRun); if (!stringIndices) { indexVector.resize(glyphCount); CTRunGetStringIndices(ctRun, CFRangeMake(0, 0), indexVector.data()); stringIndices = indexVector.data(); } for (CFIndex i = 0; i < glyphCount; ++i) { if (stringIndices[i] >= static_cast<CFIndex>(length)) { done = true; break; } if (glyphs[i]) { setGlyphDataForIndex(offset + stringIndices[i], glyphs[i], fontData); haveGlyphs = true; } } } } } #else // Use an array of long so we get good enough alignment. long glyphVector[(GLYPH_VECTOR_SIZE + sizeof(long) - 1) / sizeof(long)]; OSStatus status = wkInitializeGlyphVector(GlyphPage::size, &glyphVector); if (status != noErr) // This should never happen, perhaps indicates a bad font! If it does the // font substitution code will find an alternate font. return false; wkConvertCharToGlyphs(fontData->m_styleGroup, buffer, bufferLength, &glyphVector); unsigned numGlyphs = wkGetGlyphVectorNumGlyphs(&glyphVector); if (numGlyphs != length) { // This should never happen, perhaps indicates a bad font? // If it does happen, the font substitution code will find an alternate font. wkClearGlyphVector(&glyphVector); return false; } ATSLayoutRecord* glyphRecord = (ATSLayoutRecord*)wkGetGlyphVectorFirstRecord(glyphVector); for (unsigned i = 0; i < length; i++) { Glyph glyph = glyphRecord->glyphID; if (!glyph) setGlyphDataForIndex(offset + i, 0, 0); else { setGlyphDataForIndex(offset + i, glyph, fontData); haveGlyphs = true; } glyphRecord = (ATSLayoutRecord *)((char *)glyphRecord + wkGetGlyphVectorRecordSize(glyphVector)); } wkClearGlyphVector(&glyphVector); #endif return haveGlyphs; }
bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData) { bool haveGlyphs = false; if (!shouldUseCoreText(buffer, bufferLength, fontData)) { Vector<CGGlyph, 512> glyphs(bufferLength); CMFontGetGlyphsForUnichars(fontData->platformData().cgFont(), buffer, glyphs.data(), bufferLength); // wkGetGlyphsForCharacters(fontData->platformData().cgFont(), buffer, glyphs.data(), bufferLength); for (unsigned i = 0; i < length; ++i) { if (!glyphs[i]) setGlyphDataForIndex(offset + i, 0, 0); else { setGlyphDataForIndex(offset + i, glyphs[i], fontData); haveGlyphs = true; } } } else { // We ask CoreText for possible vertical variant glyphs RetainPtr<CFStringRef> string(AdoptCF, CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, buffer, bufferLength, kCFAllocatorNull)); RetainPtr<CFAttributedStringRef> attributedString(AdoptCF, CFAttributedStringCreate(kCFAllocatorDefault, string.get(), fontData->getCFStringAttributes(0, fontData->hasVerticalGlyphs() ? Vertical : Horizontal))); RetainPtr<CTLineRef> line(AdoptCF, CTLineCreateWithAttributedString(attributedString.get())); CFArrayRef runArray = CTLineGetGlyphRuns(line.get()); CFIndex runCount = CFArrayGetCount(runArray); // Initialize glyph entries for (unsigned index = 0; index < length; ++index) setGlyphDataForIndex(offset + index, 0, 0); Vector<CGGlyph, 512> glyphVector; Vector<CFIndex, 512> indexVector; bool done = false; // For the CGFont comparison in the loop, use the CGFont that Core Text assigns to the CTFont. This may // be non-CFEqual to fontData->platformData().cgFont(). RetainPtr<CGFontRef> cgFont(AdoptCF, CTFontCopyGraphicsFont(fontData->platformData().ctFont(), 0)); for (CFIndex r = 0; r < runCount && !done ; ++r) { // CTLine could map characters over multiple fonts using its own font fallback list. // We need to pick runs that use the exact font we need, i.e., fontData->platformData().ctFont(). CTRunRef ctRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runArray, r)); ASSERT(CFGetTypeID(ctRun) == CTRunGetTypeID()); CFDictionaryRef attributes = CTRunGetAttributes(ctRun); CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(attributes, kCTFontAttributeName)); RetainPtr<CGFontRef> runCGFont(AdoptCF, CTFontCopyGraphicsFont(runFont, 0)); // Use CGFont here as CFEqual for CTFont counts all attributes for font. if (CFEqual(cgFont.get(), runCGFont.get())) { // This run uses the font we want. Extract glyphs. CFIndex glyphCount = CTRunGetGlyphCount(ctRun); const CGGlyph* glyphs = CTRunGetGlyphsPtr(ctRun); if (!glyphs) { glyphVector.resize(glyphCount); CTRunGetGlyphs(ctRun, CFRangeMake(0, 0), glyphVector.data()); glyphs = glyphVector.data(); } const CFIndex* stringIndices = CTRunGetStringIndicesPtr(ctRun); if (!stringIndices) { indexVector.resize(glyphCount); CTRunGetStringIndices(ctRun, CFRangeMake(0, 0), indexVector.data()); stringIndices = indexVector.data(); } for (CFIndex i = 0; i < glyphCount; ++i) { if (stringIndices[i] >= static_cast<CFIndex>(length)) { done = true; break; } if (glyphs[i]) { setGlyphDataForIndex(offset + stringIndices[i], glyphs[i], fontData); haveGlyphs = true; } } } } } return haveGlyphs; }
bool SimpleFontData::fillGlyphPage(GlyphPage* pageToFill, unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength) const { bool haveGlyphs = false; Vector<CGGlyph, 512> glyphs(bufferLength); if (!shouldUseCoreText(buffer, bufferLength, this)) { CGFontGetGlyphsForUnichars(platformData().cgFont(), buffer, glyphs.data(), bufferLength); for (unsigned i = 0; i < length; ++i) { if (glyphs[i]) { pageToFill->setGlyphDataForIndex(offset + i, glyphs[i], this); haveGlyphs = true; } } } else if (!platformData().isCompositeFontReference() && platformData().widthVariant() != RegularWidth && CTFontGetGlyphsForCharacters(platformData().ctFont(), buffer, glyphs.data(), bufferLength)) { // When buffer consists of surrogate pairs, CTFontGetGlyphsForCharacters // places the glyphs at indices corresponding to the first character of each pair. unsigned glyphStep = bufferLength / length; for (unsigned i = 0; i < length; ++i) { if (glyphs[i * glyphStep]) { pageToFill->setGlyphDataForIndex(offset + i, glyphs[i * glyphStep], this); haveGlyphs = true; } } } else { // We ask CoreText for possible vertical variant glyphs RetainPtr<CFStringRef> string(AdoptCF, CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, buffer, bufferLength, kCFAllocatorNull)); RetainPtr<CFAttributedStringRef> attributedString(AdoptCF, CFAttributedStringCreate(kCFAllocatorDefault, string.get(), getCFStringAttributes(0, hasVerticalGlyphs() ? Vertical : Horizontal))); RetainPtr<CTLineRef> line(AdoptCF, CTLineCreateWithAttributedString(attributedString.get())); CFArrayRef runArray = CTLineGetGlyphRuns(line.get()); CFIndex runCount = CFArrayGetCount(runArray); Vector<CGGlyph, 512> glyphVector; Vector<CFIndex, 512> indexVector; bool done = false; // For the CGFont comparison in the loop, use the CGFont that Core Text assigns to the CTFont. This may // be non-CFEqual to platformData().cgFont(). RetainPtr<CGFontRef> cgFont(AdoptCF, CTFontCopyGraphicsFont(platformData().ctFont(), 0)); for (CFIndex r = 0; r < runCount && !done ; ++r) { // CTLine could map characters over multiple fonts using its own font fallback list. // We need to pick runs that use the exact font we need, i.e., platformData().ctFont(). CTRunRef ctRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runArray, r)); ASSERT(CFGetTypeID(ctRun) == CTRunGetTypeID()); CFDictionaryRef attributes = CTRunGetAttributes(ctRun); CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(attributes, kCTFontAttributeName)); RetainPtr<CGFontRef> runCGFont(AdoptCF, CTFontCopyGraphicsFont(runFont, 0)); // Use CGFont here as CFEqual for CTFont counts all attributes for font. bool gotBaseFont = CFEqual(cgFont.get(), runCGFont.get()); if (gotBaseFont || platformData().isCompositeFontReference()) { // This run uses the font we want. Extract glyphs. CFIndex glyphCount = CTRunGetGlyphCount(ctRun); const CGGlyph* glyphs = CTRunGetGlyphsPtr(ctRun); if (!glyphs) { glyphVector.resize(glyphCount); CTRunGetGlyphs(ctRun, CFRangeMake(0, 0), glyphVector.data()); glyphs = glyphVector.data(); } const CFIndex* stringIndices = CTRunGetStringIndicesPtr(ctRun); if (!stringIndices) { indexVector.resize(glyphCount); CTRunGetStringIndices(ctRun, CFRangeMake(0, 0), indexVector.data()); stringIndices = indexVector.data(); } if (gotBaseFont) { for (CFIndex i = 0; i < glyphCount; ++i) { if (stringIndices[i] >= static_cast<CFIndex>(length)) { done = true; break; } if (glyphs[i]) { pageToFill->setGlyphDataForIndex(offset + stringIndices[i], glyphs[i], this); haveGlyphs = true; } } } else { const SimpleFontData* runSimple = getCompositeFontReferenceFontData((NSFont *)runFont); if (runSimple) { for (CFIndex i = 0; i < glyphCount; ++i) { if (stringIndices[i] >= static_cast<CFIndex>(length)) { done = true; break; } if (glyphs[i]) { pageToFill->setGlyphDataForIndex(offset + stringIndices[i], glyphs[i], runSimple); haveGlyphs = true; } } } } } } } return haveGlyphs; }