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Side by Side Diff: sky/engine/platform/fonts/skia/FontPlatformDataSkia.cpp

Issue 1163323003: sky/engine updates for iOS targets (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years, 6 months ago
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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
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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