void ComplexTextController::collectComplexTextRunsForCharactersCoreText(const UChar* cp, unsigned length, unsigned stringLocation, const SimpleFontData* fontData) { if (!fontData) { // Create a run of missing glyphs from the primary font. m_complexTextRuns.append(ComplexTextRun::create(m_font.primaryFont(), cp, stringLocation, length, m_run.ltr())); return; } if (m_fallbackFonts && fontData != m_font.primaryFont()) m_fallbackFonts->add(fontData); RetainPtr<CTLineRef> line; if (!m_mayUseNaturalWritingDirection || m_run.directionalOverride()) { static const void* optionKeys[] = { kCTTypesetterOptionForcedEmbeddingLevel }; const short ltrForcedEmbeddingLevelValue = 0; const short rtlForcedEmbeddingLevelValue = 1; static const void* ltrOptionValues[] = { CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, <rForcedEmbeddingLevelValue) }; static const void* rtlOptionValues[] = { CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, &rtlForcedEmbeddingLevelValue) }; static CFDictionaryRef ltrTypesetterOptions = CFDictionaryCreate(kCFAllocatorDefault, optionKeys, ltrOptionValues, WTF_ARRAY_LENGTH(optionKeys), &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); static CFDictionaryRef rtlTypesetterOptions = CFDictionaryCreate(kCFAllocatorDefault, optionKeys, rtlOptionValues, WTF_ARRAY_LENGTH(optionKeys), &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); #if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) ProviderInfo info = { cp, length, fontData->getCFStringAttributes(m_font.typesettingFeatures(), fontData->platformData().orientation()) }; RetainPtr<CTTypesetterRef> typesetter(AdoptCF, wkCreateCTTypesetterWithUniCharProviderAndOptions(&provideStringAndAttributes, 0, &info, m_run.ltr() ? ltrTypesetterOptions : rtlTypesetterOptions)); #else RetainPtr<CFStringRef> string(AdoptCF, CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, cp, length, kCFAllocatorNull)); RetainPtr<CFAttributedStringRef> attributedString(AdoptCF, CFAttributedStringCreate(kCFAllocatorDefault, string.get(), fontData->getCFStringAttributes(m_font.typesettingFeatures(), fontData->platformData().orientation()))); RetainPtr<CTTypesetterRef> typesetter(AdoptCF, CTTypesetterCreateWithAttributedStringAndOptions(attributedString.get(), m_run.ltr() ? ltrTypesetterOptions : rtlTypesetterOptions)); #endif line.adoptCF(CTTypesetterCreateLine(typesetter.get(), CFRangeMake(0, 0))); } else { ProviderInfo info = { cp, length, fontData->getCFStringAttributes(m_font.typesettingFeatures(), fontData->platformData().orientation()) }; line.adoptCF(wkCreateCTLineWithUniCharProvider(&provideStringAndAttributes, 0, &info)); } m_coreTextLines.append(line.get()); CFArrayRef runArray = CTLineGetGlyphRuns(line.get()); CFIndex runCount = CFArrayGetCount(runArray); for (CFIndex r = 0; r < runCount; r++) { CTRunRef ctRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runArray, r)); ASSERT(CFGetTypeID(ctRun) == CTRunGetTypeID()); CFRange runRange = CTRunGetStringRange(ctRun); m_complexTextRuns.append(ComplexTextRun::create(ctRun, fontData, cp, stringLocation, length, runRange)); } }
void CoreTextController::collectCoreTextRunsForCharacters(const UChar* cp, unsigned length, unsigned stringLocation, const SimpleFontData* fontData) { if (!fontData) { // Create a run of missing glyphs from the primary font. m_coreTextRuns.append(CoreTextRun(m_font.primaryFont(), cp, stringLocation, length, m_run.ltr())); return; } RetainPtr<CFStringRef> string(AdoptCF, CFStringCreateWithCharactersNoCopy(NULL, cp, length, kCFAllocatorNull)); RetainPtr<CFAttributedStringRef> attributedString(AdoptCF, CFAttributedStringCreate(NULL, string.get(), fontData->getCFStringAttributes())); RetainPtr<CTTypesetterRef> typesetter; if (!m_mayUseNaturalWritingDirection || m_run.directionalOverride()) { static const void* optionKeys[] = { kCTTypesetterOptionForcedEmbeddingLevel }; static const void* ltrOptionValues[] = { kCFBooleanFalse }; static const void* rtlOptionValues[] = { kCFBooleanTrue }; static CFDictionaryRef ltrTypesetterOptions = CFDictionaryCreate(kCFAllocatorDefault, optionKeys, ltrOptionValues, sizeof(optionKeys) / sizeof(*optionKeys), &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); static CFDictionaryRef rtlTypesetterOptions = CFDictionaryCreate(kCFAllocatorDefault, optionKeys, rtlOptionValues, sizeof(optionKeys) / sizeof(*optionKeys), &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); typesetter.adoptCF(CTTypesetterCreateWithAttributedStringAndOptions(attributedString.get(), m_run.ltr() ? ltrTypesetterOptions : rtlTypesetterOptions)); } else typesetter.adoptCF(CTTypesetterCreateWithAttributedString(attributedString.get())); RetainPtr<CTLineRef> line(AdoptCF, CTTypesetterCreateLine(typesetter.get(), CFRangeMake(0, 0))); CFArrayRef runArray = CTLineGetGlyphRuns(line.get()); CFIndex runCount = CFArrayGetCount(runArray); for (CFIndex r = 0; r < runCount; r++) { CTRunRef ctRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runArray, r)); ASSERT(CFGetTypeID(ctRun) == CTRunGetTypeID()); m_coreTextRuns.append(CoreTextRun(ctRun, fontData, cp, stringLocation, length)); } }