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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" |
11 #include "wtf/RefPtr.h" | 11 #include "wtf/RefPtr.h" |
12 #include "wtf/Vector.h" | 12 #include "wtf/Vector.h" |
| 13 #include <tuple> |
13 | 14 |
14 namespace blink { | 15 namespace blink { |
15 | 16 |
16 struct CharacterRange; | 17 struct CharacterRange; |
17 class GlyphBuffer; | 18 class GlyphBuffer; |
18 struct GlyphData; | 19 struct GlyphData; |
19 class TextRun; | 20 class TextRun; |
20 | 21 |
21 class PLATFORM_EXPORT ShapeResultBuffer { | 22 class PLATFORM_EXPORT ShapeResultBuffer { |
22 WTF_MAKE_NONCOPYABLE(ShapeResultBuffer); | 23 WTF_MAKE_NONCOPYABLE(ShapeResultBuffer); |
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50 unsigned to) const; | 51 unsigned to) const; |
51 Vector<CharacterRange> individualCharacterRanges(TextDirection, | 52 Vector<CharacterRange> individualCharacterRanges(TextDirection, |
52 float totalWidth) const; | 53 float totalWidth) const; |
53 | 54 |
54 static CharacterRange getCharacterRange(RefPtr<const ShapeResult>, | 55 static CharacterRange getCharacterRange(RefPtr<const ShapeResult>, |
55 TextDirection, | 56 TextDirection, |
56 float totalWidth, | 57 float totalWidth, |
57 unsigned from, | 58 unsigned from, |
58 unsigned to); | 59 unsigned to); |
59 | 60 |
| 61 struct RunFontData { |
| 62 SimpleFontData* m_fontData; |
| 63 size_t m_glyphCount; |
| 64 }; |
| 65 |
| 66 Vector<RunFontData> runFontData() const; |
| 67 |
60 private: | 68 private: |
61 static CharacterRange getCharacterRangeInternal( | 69 static CharacterRange getCharacterRangeInternal( |
62 const Vector<RefPtr<const ShapeResult>, 64>&, | 70 const Vector<RefPtr<const ShapeResult>, 64>&, |
63 TextDirection, | 71 TextDirection, |
64 float totalWidth, | 72 float totalWidth, |
65 unsigned from, | 73 unsigned from, |
66 unsigned to); | 74 unsigned to); |
67 | 75 |
68 float fillFastHorizontalGlyphBuffer(GlyphBuffer*, const TextRun&) const; | 76 float fillFastHorizontalGlyphBuffer(GlyphBuffer*, const TextRun&) const; |
69 | 77 |
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89 | 97 |
90 // Empirically, cases where we get more than 50 ShapeResults are extremely | 98 // Empirically, cases where we get more than 50 ShapeResults are extremely |
91 // rare. | 99 // rare. |
92 Vector<RefPtr<const ShapeResult>, 64> m_results; | 100 Vector<RefPtr<const ShapeResult>, 64> m_results; |
93 bool m_hasVerticalOffsets; | 101 bool m_hasVerticalOffsets; |
94 }; | 102 }; |
95 | 103 |
96 } // namespace blink | 104 } // namespace blink |
97 | 105 |
98 #endif // ShapeResultBuffer_h | 106 #endif // ShapeResultBuffer_h |
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