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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef ShapeResultBuffer_h | 5 #ifndef ShapeResultBuffer_h |
| 6 #define ShapeResultBuffer_h | 6 #define ShapeResultBuffer_h |
| 7 | 7 |
| 8 #include "platform/PlatformExport.h" | 8 #include "platform/PlatformExport.h" |
| 9 #include "platform/fonts/shaping/ShapeResult.h" | 9 #include "platform/fonts/shaping/ShapeResult.h" |
| 10 #include "wtf/Allocator.h" | 10 #include "wtf/Allocator.h" |
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| 44 int offsetForPosition(const TextRun&, | 44 int offsetForPosition(const TextRun&, |
| 45 float targetX, | 45 float targetX, |
| 46 bool includePartialGlyphs) const; | 46 bool includePartialGlyphs) const; |
| 47 CharacterRange getCharacterRange(TextDirection, | 47 CharacterRange getCharacterRange(TextDirection, |
| 48 float totalWidth, | 48 float totalWidth, |
| 49 unsigned from, | 49 unsigned from, |
| 50 unsigned to) const; | 50 unsigned to) const; |
| 51 Vector<CharacterRange> individualCharacterRanges(TextDirection, | 51 Vector<CharacterRange> individualCharacterRanges(TextDirection, |
| 52 float totalWidth) const; | 52 float totalWidth) const; |
| 53 | 53 |
| 54 static CharacterRange getCharacterRange( | 54 static CharacterRange getCharacterRange(RefPtr<const ShapeResult>, |
| 55 TextDirection, |
| 56 float totalWidth, |
| 57 unsigned from, |
| 58 unsigned to); |
| 59 |
| 60 private: |
| 61 static CharacterRange getCharacterRangeInternal( |
| 55 const Vector<RefPtr<const ShapeResult>, 64>&, | 62 const Vector<RefPtr<const ShapeResult>, 64>&, |
| 56 TextDirection, | 63 TextDirection, |
| 57 float totalWidth, | 64 float totalWidth, |
| 58 unsigned from, | 65 unsigned from, |
| 59 unsigned to); | 66 unsigned to); |
| 60 | 67 |
| 61 private: | |
| 62 float fillFastHorizontalGlyphBuffer(GlyphBuffer*, const TextRun&) const; | 68 float fillFastHorizontalGlyphBuffer(GlyphBuffer*, const TextRun&) const; |
| 63 | 69 |
| 64 template <TextDirection> | 70 template <TextDirection> |
| 65 static float fillGlyphBufferForRun(GlyphBuffer*, | 71 static float fillGlyphBufferForRun(GlyphBuffer*, |
| 66 const ShapeResult::RunInfo*, | 72 const ShapeResult::RunInfo*, |
| 67 const TextRun&, | 73 const TextRun&, |
| 68 float initialAdvance, | 74 float initialAdvance, |
| 69 unsigned from, | 75 unsigned from, |
| 70 unsigned to, | 76 unsigned to, |
| 71 unsigned runOffset); | 77 unsigned runOffset); |
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| 84 | 90 |
| 85 // Empirically, cases where we get more than 50 ShapeResults are extremely | 91 // Empirically, cases where we get more than 50 ShapeResults are extremely |
| 86 // rare. | 92 // rare. |
| 87 Vector<RefPtr<const ShapeResult>, 64> m_results; | 93 Vector<RefPtr<const ShapeResult>, 64> m_results; |
| 88 bool m_hasVerticalOffsets; | 94 bool m_hasVerticalOffsets; |
| 89 }; | 95 }; |
| 90 | 96 |
| 91 } // namespace blink | 97 } // namespace blink |
| 92 | 98 |
| 93 #endif // ShapeResultBuffer_h | 99 #endif // ShapeResultBuffer_h |
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Chromium Code Reviews
Issue 2702853002:
[LayoutNG] Shape items with context (Closed)
