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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 |
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122 int determineWordBreakSpacing(); | 122 int determineWordBreakSpacing(); |
123 // setPadding sets a number of pixels to be distributed across the TextRun. | 123 // setPadding sets a number of pixels to be distributed across the TextRun. |
124 // WebKit uses this to justify text. | 124 // WebKit uses this to justify text. |
125 void setPadding(int); | 125 void setPadding(int); |
126 | 126 |
127 void setFontFeatures(); | 127 void setFontFeatures(); |
128 | 128 |
129 bool createHarfBuzzRuns(); | 129 bool createHarfBuzzRuns(); |
130 bool shapeHarfBuzzRuns(); | 130 bool shapeHarfBuzzRuns(); |
131 bool fillGlyphBuffer(GlyphBuffer*); | 131 bool fillGlyphBuffer(GlyphBuffer*); |
132 void fillGlyphBufferFromHarfBuzzRun(GlyphBufferWithOffsets*, HarfBuzzRun*); | 132 void fillGlyphBufferFromHarfBuzzRun(GlyphBufferWithOffsets*, HarfBuzzRun*, f
loat& carryAdvance); |
133 void fillGlyphBufferForTextEmphasis(GlyphBuffer*, HarfBuzzRun* currentRun); | 133 void fillGlyphBufferForTextEmphasis(GlyphBuffer*, HarfBuzzRun* currentRun); |
134 void setGlyphPositionsForHarfBuzzRun(HarfBuzzRun*, hb_buffer_t*); | 134 void setGlyphPositionsForHarfBuzzRun(HarfBuzzRun*, hb_buffer_t*); |
135 void addHarfBuzzRun(unsigned startCharacter, unsigned endCharacter, const Si
mpleFontData*, UScriptCode); | 135 void addHarfBuzzRun(unsigned startCharacter, unsigned endCharacter, const Si
mpleFontData*, UScriptCode); |
136 | 136 |
137 const Font* m_font; | 137 const Font* m_font; |
138 OwnPtr<UChar[]> m_normalizedBuffer; | 138 OwnPtr<UChar[]> m_normalizedBuffer; |
139 unsigned m_normalizedBufferLength; | 139 unsigned m_normalizedBufferLength; |
140 const TextRun& m_run; | 140 const TextRun& m_run; |
141 | 141 |
142 float m_wordSpacingAdjustment; // Delta adjustment (pixels) for each word br
eak. | 142 float m_wordSpacingAdjustment; // Delta adjustment (pixels) for each word br
eak. |
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156 float m_totalWidth; | 156 float m_totalWidth; |
157 FloatBoxExtent m_glyphBoundingBox; | 157 FloatBoxExtent m_glyphBoundingBox; |
158 HashSet<const SimpleFontData*>* m_fallbackFonts; | 158 HashSet<const SimpleFontData*>* m_fallbackFonts; |
159 | 159 |
160 friend struct CachedShapingResults; | 160 friend struct CachedShapingResults; |
161 }; | 161 }; |
162 | 162 |
163 } // namespace blink | 163 } // namespace blink |
164 | 164 |
165 #endif // HarfBuzzShaper_h | 165 #endif // HarfBuzzShaper_h |
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