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| 1 /* | 1 /* |
| 2 * Copyright (C) 2015 Google Inc. All rights reserved. | 2 * Copyright (C) 2015 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 | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 11 matching lines...) Expand all Loading... |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #include "platform/fonts/shaping/CachingWordShaper.h" | 26 #include "platform/fonts/shaping/CachingWordShaper.h" |
| 27 | 27 |
| 28 #include "platform/fonts/SimpleFontData.h" | 28 #include "platform/fonts/SimpleFontData.h" |
| 29 #include "platform/fonts/shaping/CachingWordShapeIterator.h" | 29 #include "platform/fonts/shaping/CachingWordShapeIterator.h" |
| 30 #include "platform/fonts/shaping/HarfBuzzShaper.h" | 30 #include "platform/fonts/shaping/HarfBuzzShaper.h" |
| 31 #include "platform/fonts/shaping/ShapeCache.h" | 31 #include "platform/fonts/shaping/ShapeCache.h" |
| 32 #include "platform/fonts/shaping/ShapeResultBuffer.h" |
| 32 #include "wtf/text/CharacterNames.h" | 33 #include "wtf/text/CharacterNames.h" |
| 33 | 34 |
| 34 namespace blink { | 35 namespace blink { |
| 35 | 36 |
| 36 float CachingWordShaper::width(const Font* font, const TextRun& run, | 37 float CachingWordShaper::width(const Font* font, const TextRun& run, |
| 37 HashSet<const SimpleFontData*>* fallbackFonts, | 38 HashSet<const SimpleFontData*>* fallbackFonts, |
| 38 FloatRect* glyphBounds) | 39 FloatRect* glyphBounds) |
| 39 { | 40 { |
| 40 float width = 0; | 41 float width = 0; |
| 41 RefPtr<ShapeResult> wordResult; | 42 RefPtr<ShapeResult> wordResult; |
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| 74 } | 75 } |
| 75 } | 76 } |
| 76 return totalWidth; | 77 return totalWidth; |
| 77 } | 78 } |
| 78 | 79 |
| 79 int CachingWordShaper::offsetForPosition(const Font* font, const TextRun& run, f
loat targetX) | 80 int CachingWordShaper::offsetForPosition(const Font* font, const TextRun& run, f
loat targetX) |
| 80 { | 81 { |
| 81 ShapeResultBuffer buffer; | 82 ShapeResultBuffer buffer; |
| 82 shapeResultsForRun(m_shapeCache, font, run, nullptr, &buffer); | 83 shapeResultsForRun(m_shapeCache, font, run, nullptr, &buffer); |
| 83 | 84 |
| 84 return ShapeResult::offsetForPosition(buffer, run, targetX); | 85 return buffer.offsetForPosition(run, targetX); |
| 85 } | 86 } |
| 86 | 87 |
| 87 float CachingWordShaper::fillGlyphBuffer(const Font* font, const TextRun& run, | 88 float CachingWordShaper::fillGlyphBuffer(const Font* font, const TextRun& run, |
| 88 HashSet<const SimpleFontData*>* fallbackFonts, | 89 HashSet<const SimpleFontData*>* fallbackFonts, |
| 89 GlyphBuffer* glyphBuffer, unsigned from, unsigned to) | 90 GlyphBuffer* glyphBuffer, unsigned from, unsigned to) |
| 90 { | 91 { |
| 91 ShapeResultBuffer buffer; | 92 ShapeResultBuffer buffer; |
| 92 shapeResultsForRun(m_shapeCache, font, run, fallbackFonts, &buffer); | 93 shapeResultsForRun(m_shapeCache, font, run, fallbackFonts, &buffer); |
| 93 | 94 |
| 94 return ShapeResult::fillGlyphBuffer(buffer, glyphBuffer, run, from, to); | 95 return buffer.fillGlyphBuffer(glyphBuffer, run, from, to); |
| 95 } | 96 } |
| 96 | 97 |
| 97 float CachingWordShaper::fillGlyphBufferForTextEmphasis(const Font* font, | 98 float CachingWordShaper::fillGlyphBufferForTextEmphasis(const Font* font, |
| 98 const TextRun& run, const GlyphData* emphasisData, GlyphBuffer* glyphBuffer, | 99 const TextRun& run, const GlyphData* emphasisData, GlyphBuffer* glyphBuffer, |
| 99 unsigned from, unsigned to) | 100 unsigned from, unsigned to) |
| 100 { | 101 { |
| 101 ShapeResultBuffer buffer; | 102 ShapeResultBuffer buffer; |
| 102 shapeResultsForRun(m_shapeCache, font, run, nullptr, &buffer); | 103 shapeResultsForRun(m_shapeCache, font, run, nullptr, &buffer); |
| 103 | 104 |
| 104 return ShapeResult::fillGlyphBufferForTextEmphasis(buffer, glyphBuffer, | 105 return buffer.fillGlyphBufferForTextEmphasis(glyphBuffer, run, emphasisData,
from, to); |
| 105 run, emphasisData, from, to); | |
| 106 } | 106 } |
| 107 | 107 |
| 108 FloatRect CachingWordShaper::selectionRect(const Font* font, const TextRun& run, | 108 FloatRect CachingWordShaper::selectionRect(const Font* font, const TextRun& run, |
| 109 const FloatPoint& point, int height, unsigned from, unsigned to) | 109 const FloatPoint& point, int height, unsigned from, unsigned to) |
| 110 { | 110 { |
| 111 ShapeResultBuffer buffer; | 111 ShapeResultBuffer buffer; |
| 112 float totalWidth = shapeResultsForRun(m_shapeCache, font, run, nullptr, | 112 float totalWidth = shapeResultsForRun(m_shapeCache, font, run, nullptr, |
| 113 &buffer); | 113 &buffer); |
| 114 | 114 |
| 115 return ShapeResult::selectionRect(buffer, run.direction(), totalWidth, | 115 return buffer.selectionRect(run.direction(), totalWidth, point, height, from
, to); |
| 116 point, height, from, to); | |
| 117 } | 116 } |
| 118 | 117 |
| 119 }; // namespace blink | 118 }; // namespace blink |
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