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Side by Side Diff: third_party/WebKit/Source/platform/fonts/shaping/CachingWordShapeIterator.h

Issue 1774943003: blink: Rename platform/ methods to prefix with get when they collide. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: clash-platform: rebase-yayyyyyyyy Created 4 years, 9 months ago
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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
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39 class CachingWordShapeIterator final { 39 class CachingWordShapeIterator final {
40 STACK_ALLOCATED(); 40 STACK_ALLOCATED();
41 WTF_MAKE_NONCOPYABLE(CachingWordShapeIterator); 41 WTF_MAKE_NONCOPYABLE(CachingWordShapeIterator);
42 public: 42 public:
43 CachingWordShapeIterator(ShapeCache* cache, const TextRun& run, 43 CachingWordShapeIterator(ShapeCache* cache, const TextRun& run,
44 const Font* font) 44 const Font* font)
45 : m_shapeCache(cache), m_textRun(run), m_font(font) 45 : m_shapeCache(cache), m_textRun(run), m_font(font)
46 , m_widthSoFar(0), m_startIndex(0) 46 , m_widthSoFar(0), m_startIndex(0)
47 { 47 {
48 ASSERT(font); 48 ASSERT(font);
49 const FontDescription& fontDescription = font->fontDescription(); 49 const FontDescription& fontDescription = font->getFontDescription();
50 50
51 // Word and letter spacing can change the width of a word, as can tabs 51 // Word and letter spacing can change the width of a word, as can tabs
52 // as we segment solely based on on space characters. 52 // as we segment solely based on on space characters.
53 // If expansion is used (for justified text) the spacing between words 53 // If expansion is used (for justified text) the spacing between words
54 // change and thus we need to shape the entire run. 54 // change and thus we need to shape the entire run.
55 m_wordResultCachable = !fontDescription.wordSpacing() 55 m_wordResultCachable = !fontDescription.wordSpacing()
56 && !fontDescription.letterSpacing() 56 && !fontDescription.letterSpacing()
57 && m_textRun.expansion() == 0.0f; 57 && m_textRun.expansion() == 0.0f;
58 58
59 // Shaping word by word is faster as each word is cached. If we cannot 59 // Shaping word by word is faster as each word is cached. If we cannot
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219 const Font* m_font; 219 const Font* m_font;
220 float m_widthSoFar; // Used only when allowTabs() 220 float m_widthSoFar; // Used only when allowTabs()
221 unsigned m_startIndex : 30; 221 unsigned m_startIndex : 30;
222 unsigned m_wordResultCachable : 1; 222 unsigned m_wordResultCachable : 1;
223 unsigned m_shapeByWord : 1; 223 unsigned m_shapeByWord : 1;
224 }; 224 };
225 225
226 } // namespace blink 226 } // namespace blink
227 227
228 #endif // CachingWordShapeIterator_h 228 #endif // CachingWordShapeIterator_h
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