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32 #include "platform/fonts/FontPlatformData.h"
35 #include "SkTypeface.h"
36 #include "platform/fonts/FontCache.h"
41 unsigned FontPlatformData::hash() const
43 unsigned h = SkTypeface::UniqueID(m_typeface.get());
44 h ^= 0x01010101 * ((static_cast<int>(m_isHashTableDeletedValue) << 3) | (static_cast<int>(m_orientation) << 2) | (static_cast<int>(m_syntheticBold) << 1) | static_cast<int>(m_syntheticItalic));
46 // This memcpy is to avoid a reinterpret_cast that breaks strict-aliasing
47 // rules. Memcpy is generally optimized enough so that performance doesn't
49 uint32_t textSizeBytes;
50 memcpy(&textSizeBytes, &m_textSize, sizeof(uint32_t));
56 bool FontPlatformData::fontContainsCharacter(UChar32 character)
60 paint.setTextEncoding(SkPaint::kUTF32_TextEncoding);
63 paint.textToGlyphs(&character, sizeof(character), &glyph);
69 #if ENABLE(OPENTYPE_VERTICAL)
70 PassRefPtr<OpenTypeVerticalData> FontPlatformData::verticalData() const
72 return FontCache::fontCache()->getVerticalData(typeface()->uniqueID(), *this);
75 PassRefPtr<SharedBuffer> FontPlatformData::openTypeTable(uint32_t table) const
77 RefPtr<SharedBuffer> buffer;
79 SkFontTableTag tag = SkEndianSwap32(table);
80 const size_t tableSize = m_typeface->getTableSize(tag);
82 Vector<char> tableBuffer(tableSize);
83 m_typeface->getTableData(tag, 0, tableSize, &tableBuffer[0]);
84 buffer = SharedBuffer::adoptVector(tableBuffer);
86 return buffer.release();