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| 1 /* | 1 /* |
| 2 * Copyright (c) 2006, 2007, 2008, Google Inc. All rights reserved. | 2 * Copyright (c) 2006, 2007, 2008, Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 19 matching lines...) Expand all Loading... |
| 30 | 30 |
| 31 #include "sky/engine/config.h" | 31 #include "sky/engine/config.h" |
| 32 #include "sky/engine/platform/fonts/FontPlatformData.h" | 32 #include "sky/engine/platform/fonts/FontPlatformData.h" |
| 33 | 33 |
| 34 #include "sky/engine/platform/fonts/FontCache.h" | 34 #include "sky/engine/platform/fonts/FontCache.h" |
| 35 #include "third_party/skia/include/core/SkEndian.h" | 35 #include "third_party/skia/include/core/SkEndian.h" |
| 36 #include "third_party/skia/include/core/SkTypeface.h" | 36 #include "third_party/skia/include/core/SkTypeface.h" |
| 37 | 37 |
| 38 namespace blink { | 38 namespace blink { |
| 39 | 39 |
| 40 #if !OS(MACOSX) | |
| 41 unsigned FontPlatformData::hash() const | 40 unsigned FontPlatformData::hash() const |
| 42 { | 41 { |
| 43 unsigned h = SkTypeface::UniqueID(m_typeface.get()); | 42 unsigned h = SkTypeface::UniqueID(m_typeface.get()); |
| 44 h ^= 0x01010101 * ((static_cast<int>(m_orientation) << 2) | (static_cast<int
>(m_syntheticBold) << 1) | static_cast<int>(m_syntheticItalic)); | 43 h ^= 0x01010101 * ((static_cast<int>(m_orientation) << 2) | (static_cast<int
>(m_syntheticBold) << 1) | static_cast<int>(m_syntheticItalic)); |
| 45 | 44 |
| 46 // This memcpy is to avoid a reinterpret_cast that breaks strict-aliasing | 45 // This memcpy is to avoid a reinterpret_cast that breaks strict-aliasing |
| 47 // rules. Memcpy is generally optimized enough so that performance doesn't | 46 // rules. Memcpy is generally optimized enough so that performance doesn't |
| 48 // matter here. | 47 // matter here. |
| 49 uint32_t textSizeBytes; | 48 uint32_t textSizeBytes; |
| 50 memcpy(&textSizeBytes, &m_textSize, sizeof(uint32_t)); | 49 memcpy(&textSizeBytes, &m_textSize, sizeof(uint32_t)); |
| 51 h ^= textSizeBytes; | 50 h ^= textSizeBytes; |
| 52 | 51 |
| 53 return h; | 52 return h; |
| 54 } | 53 } |
| 55 | 54 |
| 56 bool FontPlatformData::fontContainsCharacter(UChar32 character) | 55 bool FontPlatformData::fontContainsCharacter(UChar32 character) |
| 57 { | 56 { |
| 58 SkPaint paint; | 57 SkPaint paint; |
| 59 setupPaint(&paint); | 58 setupPaint(&paint); |
| 60 paint.setTextEncoding(SkPaint::kUTF32_TextEncoding); | 59 paint.setTextEncoding(SkPaint::kUTF32_TextEncoding); |
| 61 | 60 |
| 62 uint16_t glyph; | 61 uint16_t glyph; |
| 63 paint.textToGlyphs(&character, sizeof(character), &glyph); | 62 paint.textToGlyphs(&character, sizeof(character), &glyph); |
| 64 return glyph; | 63 return glyph; |
| 65 } | 64 } |
| 66 | 65 |
| 67 #endif | |
| 68 | |
| 69 #if ENABLE(OPENTYPE_VERTICAL) | 66 #if ENABLE(OPENTYPE_VERTICAL) |
| 70 PassRefPtr<OpenTypeVerticalData> FontPlatformData::verticalData() const | 67 PassRefPtr<OpenTypeVerticalData> FontPlatformData::verticalData() const |
| 71 { | 68 { |
| 72 return FontCache::fontCache()->getVerticalData(typeface()->uniqueID(), *this
); | 69 return FontCache::fontCache()->getVerticalData(typeface()->uniqueID(), *this
); |
| 73 } | 70 } |
| 74 | 71 |
| 75 PassRefPtr<SharedBuffer> FontPlatformData::openTypeTable(uint32_t table) const | 72 PassRefPtr<SharedBuffer> FontPlatformData::openTypeTable(uint32_t table) const |
| 76 { | 73 { |
| 77 RefPtr<SharedBuffer> buffer; | 74 RefPtr<SharedBuffer> buffer; |
| 78 | 75 |
| 79 SkFontTableTag tag = SkEndianSwap32(table); | 76 SkFontTableTag tag = SkEndianSwap32(table); |
| 80 const size_t tableSize = m_typeface->getTableSize(tag); | 77 const size_t tableSize = m_typeface->getTableSize(tag); |
| 81 if (tableSize) { | 78 if (tableSize) { |
| 82 Vector<char> tableBuffer(tableSize); | 79 Vector<char> tableBuffer(tableSize); |
| 83 m_typeface->getTableData(tag, 0, tableSize, &tableBuffer[0]); | 80 m_typeface->getTableData(tag, 0, tableSize, &tableBuffer[0]); |
| 84 buffer = SharedBuffer::adoptVector(tableBuffer); | 81 buffer = SharedBuffer::adoptVector(tableBuffer); |
| 85 } | 82 } |
| 86 return buffer.release(); | 83 return buffer.release(); |
| 87 } | 84 } |
| 88 #endif | 85 #endif |
| 89 | 86 |
| 90 } // namespace blink | 87 } // namespace blink |
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