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Side by Side Diff: third_party/WebKit/Source/platform/fonts/shaping/SimpleShaper.cpp

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) 2003, 2006, 2008, 2009, 2010, 2011 Apple Inc. All rights reserv ed. 2 * Copyright (C) 2003, 2006, 2008, 2009, 2010, 2011 Apple Inc. All rights reserv ed.
3 * Copyright (C) 2008 Holger Hans Peter Freyther 3 * Copyright (C) 2008 Holger Hans Peter Freyther
4 * Copyright (C) 2014 Google Inc. All rights reserved. 4 * Copyright (C) 2014 Google Inc. All rights reserved.
5 * 5 *
6 * This library is free software; you can redistribute it and/or 6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public 7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either 8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version. 9 * version 2 of the License, or (at your option) any later version.
10 * 10 *
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80 if (UNLIKELY(m_textRun.horizontalGlyphStretch() != 1)) 80 if (UNLIKELY(m_textRun.horizontalGlyphStretch() != 1))
81 width *= m_textRun.horizontalGlyphStretch(); 81 width *= m_textRun.horizontalGlyphStretch();
82 82
83 return width; 83 return width;
84 } 84 }
85 85
86 float SimpleShaper::adjustSpacing(float width, const CharacterData& charData) 86 float SimpleShaper::adjustSpacing(float width, const CharacterData& charData)
87 { 87 {
88 // Account for letter-spacing. 88 // Account for letter-spacing.
89 if (width) 89 if (width)
90 width += m_font->fontDescription().letterSpacing(); 90 width += m_font->getFontDescription().letterSpacing();
91 91
92 bool isExpansionOpportunity = Character::treatAsSpace(charData.character) || (m_textRun.getTextJustify() == TextJustifyDistribute); 92 bool isExpansionOpportunity = Character::treatAsSpace(charData.character) || (m_textRun.getTextJustify() == TextJustifyDistribute);
93 if (isExpansionOpportunity || (m_textRun.getTextJustify() == TextJustifyAuto && Character::isCJKIdeographOrSymbol(charData.character))) { 93 if (isExpansionOpportunity || (m_textRun.getTextJustify() == TextJustifyAuto && Character::isCJKIdeographOrSymbol(charData.character))) {
94 // Distribute the run's total expansion evenly over all expansion opport unities in the run. 94 // Distribute the run's total expansion evenly over all expansion opport unities in the run.
95 if (m_expansion) { 95 if (m_expansion) {
96 if (!isExpansionOpportunity && !m_isAfterExpansion) { 96 if (!isExpansionOpportunity && !m_isAfterExpansion) {
97 // Take the expansion opportunity before this ideograph. 97 // Take the expansion opportunity before this ideograph.
98 m_expansion -= m_expansionPerOpportunity; 98 m_expansion -= m_expansionPerOpportunity;
99 m_runWidthSoFar += m_expansionPerOpportunity; 99 m_runWidthSoFar += m_expansionPerOpportunity;
100 } 100 }
101 if (m_textRun.allowsTrailingExpansion() 101 if (m_textRun.allowsTrailingExpansion()
102 || (m_textRun.ltr() && charData.characterOffset + charData.clust erLength < static_cast<size_t>(m_textRun.length())) 102 || (m_textRun.ltr() && charData.characterOffset + charData.clust erLength < static_cast<size_t>(m_textRun.length()))
103 || (m_textRun.rtl() && charData.characterOffset)) { 103 || (m_textRun.rtl() && charData.characterOffset)) {
104 m_expansion -= m_expansionPerOpportunity; 104 m_expansion -= m_expansionPerOpportunity;
105 width += m_expansionPerOpportunity; 105 width += m_expansionPerOpportunity;
106 m_isAfterExpansion = true; 106 m_isAfterExpansion = true;
107 } 107 }
108 } else { 108 } else {
109 m_isAfterExpansion = false; 109 m_isAfterExpansion = false;
110 } 110 }
111 111
112 // Account for word spacing. 112 // Account for word spacing.
113 // We apply additional space between "words" by adding width to the spac e character. 113 // We apply additional space between "words" by adding width to the spac e character.
114 if (isExpansionOpportunity && (charData.character != tabulationCharacter || !m_textRun.allowTabs()) 114 if (isExpansionOpportunity && (charData.character != tabulationCharacter || !m_textRun.allowTabs())
115 && (charData.characterOffset || charData.character == noBreakSpaceCh aracter) 115 && (charData.characterOffset || charData.character == noBreakSpaceCh aracter)
116 && m_font->fontDescription().wordSpacing()) { 116 && m_font->getFontDescription().wordSpacing()) {
117 width += m_font->fontDescription().wordSpacing(); 117 width += m_font->getFontDescription().wordSpacing();
118 } 118 }
119 } else { 119 } else {
120 m_isAfterExpansion = false; 120 m_isAfterExpansion = false;
121 } 121 }
122 122
123 return width; 123 return width;
124 } 124 }
125 125
126 template <typename TextIterator> 126 template <typename TextIterator>
127 unsigned SimpleShaper::advanceInternal(TextIterator& textIterator, GlyphBuffer* glyphBuffer) 127 unsigned SimpleShaper::advanceInternal(TextIterator& textIterator, GlyphBuffer* glyphBuffer)
128 { 128 {
129 bool hasExtraSpacing = (m_font->fontDescription().letterSpacing() || m_font- >fontDescription().wordSpacing() || m_expansion) 129 bool hasExtraSpacing = (m_font->getFontDescription().letterSpacing() || m_fo nt->getFontDescription().wordSpacing() || m_expansion)
130 && !m_textRun.spacingDisabled(); 130 && !m_textRun.spacingDisabled();
131 131
132 const SimpleFontData* lastFontData = m_font->primaryFont(); 132 const SimpleFontData* lastFontData = m_font->primaryFont();
133 bool normalizeSpace = m_textRun.normalizeSpace(); 133 bool normalizeSpace = m_textRun.normalizeSpace();
134 const float initialRunWidth = m_runWidthSoFar; 134 const float initialRunWidth = m_runWidthSoFar;
135 135
136 CharacterData charData; 136 CharacterData charData;
137 while (textIterator.consume(charData.character)) { 137 while (textIterator.consume(charData.character)) {
138 charData.characterOffset = textIterator.offset(); 138 charData.characterOffset = textIterator.offset();
139 charData.clusterLength = textIterator.glyphLength(); 139 charData.clusterLength = textIterator.glyphLength();
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218 float initialWidth = m_runWidthSoFar; 218 float initialWidth = m_runWidthSoFar;
219 219
220 if (!advance(m_currentCharacter + 1)) 220 if (!advance(m_currentCharacter + 1))
221 return false; 221 return false;
222 222
223 width = m_runWidthSoFar - initialWidth; 223 width = m_runWidthSoFar - initialWidth;
224 return true; 224 return true;
225 } 225 }
226 226
227 } // namespace blink 227 } // namespace blink
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