OLD | NEW |
---|---|
1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 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 32 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
43 #include "wtf/unicode/CharacterNames.h" | 43 #include "wtf/unicode/CharacterNames.h" |
44 | 44 |
45 #include <unicode/uscript.h> | 45 #include <unicode/uscript.h> |
46 | 46 |
47 namespace blink { | 47 namespace blink { |
48 | 48 |
49 class Font; | 49 class Font; |
50 class GlyphBuffer; | 50 class GlyphBuffer; |
51 class SimpleFontData; | 51 class SimpleFontData; |
52 | 52 |
53 class HarfBuzzShaper final : public Shaper { | 53 class PLATFORM_EXPORT HarfBuzzShaper final : public Shaper { |
54 public: | 54 public: |
55 HarfBuzzShaper(const Font*, const TextRun&, const GlyphData* emphasisData = nullptr, | 55 HarfBuzzShaper(const Font*, const TextRun&, const GlyphData* emphasisData = nullptr, |
56 HashSet<const SimpleFontData*>* fallbackFonts = nullptr, FloatRect* = nu llptr); | 56 HashSet<const SimpleFontData*>* fallbackFonts = nullptr, FloatRect* = nu llptr); |
57 | 57 |
58 void setDrawRange(int from, int to); | 58 void setDrawRange(int from, int to); |
59 bool shape(GlyphBuffer* = 0); | 59 bool shape(GlyphBuffer* = 0); |
60 float totalWidth() { return m_totalWidth; } | 60 float totalWidth() { return m_totalWidth; } |
61 int offsetForPosition(float targetX); | 61 int offsetForPosition(float targetX); |
62 FloatRect selectionRect(const FloatPoint&, int height, int from, int to); | 62 FloatRect selectionRect(const FloatPoint&, int height, int from, int to); |
63 | 63 |
64 unsigned numberOfRunsForTesting() const | |
65 { | |
66 return m_harfBuzzRuns.size(); | |
67 } | |
68 | |
69 bool runInfoForTesting(unsigned runIndex, unsigned& startIndex, | |
Dominik Röttsches
2015/04/22 14:17:51
You preferred reference parameters here - I was wo
| |
70 unsigned& numGlyphs, hb_script_t& script) | |
71 { | |
72 if (runIndex < m_harfBuzzRuns.size()) { | |
73 startIndex = m_harfBuzzRuns[runIndex]->startIndex(); | |
74 numGlyphs = m_harfBuzzRuns[runIndex]->numGlyphs(); | |
75 script = m_harfBuzzRuns[runIndex]->script(); | |
76 return true; | |
77 } | |
78 return false; | |
79 } | |
80 | |
64 private: | 81 private: |
65 class HarfBuzzRun { | 82 class HarfBuzzRun { |
66 public: | 83 public: |
67 HarfBuzzRun(const HarfBuzzRun&); | 84 HarfBuzzRun(const HarfBuzzRun&); |
68 ~HarfBuzzRun(); | 85 ~HarfBuzzRun(); |
69 | 86 |
70 static PassOwnPtr<HarfBuzzRun> create(const SimpleFontData* fontData, un signed startIndex, unsigned numCharacters, hb_direction_t direction, hb_script_t script) | 87 static PassOwnPtr<HarfBuzzRun> create(const SimpleFontData* fontData, un signed startIndex, unsigned numCharacters, hb_direction_t direction, hb_script_t script) |
71 { | 88 { |
72 return adoptPtr(new HarfBuzzRun(fontData, startIndex, numCharacters, direction, script)); | 89 return adoptPtr(new HarfBuzzRun(fontData, startIndex, numCharacters, direction, script)); |
73 } | 90 } |
(...skipping 70 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
144 int m_toIndex; | 161 int m_toIndex; |
145 | 162 |
146 float m_totalWidth; | 163 float m_totalWidth; |
147 | 164 |
148 friend struct CachedShapingResults; | 165 friend struct CachedShapingResults; |
149 }; | 166 }; |
150 | 167 |
151 } // namespace blink | 168 } // namespace blink |
152 | 169 |
153 #endif // HarfBuzzShaper_h | 170 #endif // HarfBuzzShaper_h |
OLD | NEW |