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));
}
}
