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| 1 /* | 1 /* |
| 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) | 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) |
| 4 * (C) 2000 Dirk Mueller (mueller@kde.org) | 4 * (C) 2000 Dirk Mueller (mueller@kde.org) |
| 5 * Copyright (C) 2003, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved. | 5 * Copyright (C) 2003, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved. |
| 6 * Copyright (C) 2008 Holger Hans Peter Freyther | 6 * Copyright (C) 2008 Holger Hans Peter Freyther |
| 7 * | 7 * |
| 8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
| 9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
| 10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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| 195 mutable unsigned m_canShapeWordByWord : 1; | 195 mutable unsigned m_canShapeWordByWord : 1; |
| 196 mutable unsigned m_shapeWordByWordComputed : 1; | 196 mutable unsigned m_shapeWordByWordComputed : 1; |
| 197 | 197 |
| 198 // For m_fontDescription & m_fontFallbackList access. | 198 // For m_fontDescription & m_fontFallbackList access. |
| 199 friend class CachingWordShaper; | 199 friend class CachingWordShaper; |
| 200 }; | 200 }; |
| 201 | 201 |
| 202 inline Font::~Font() {} | 202 inline Font::~Font() {} |
| 203 | 203 |
| 204 inline const SimpleFontData* Font::primaryFont() const { | 204 inline const SimpleFontData* Font::primaryFont() const { |
| 205 ASSERT(m_fontFallbackList); | 205 DCHECK(m_fontFallbackList); |
| 206 return m_fontFallbackList->primarySimpleFontData(m_fontDescription); | 206 return m_fontFallbackList->primarySimpleFontData(m_fontDescription); |
| 207 } | 207 } |
| 208 | 208 |
| 209 inline const FontData* Font::fontDataAt(unsigned index) const { | 209 inline const FontData* Font::fontDataAt(unsigned index) const { |
| 210 ASSERT(m_fontFallbackList); | 210 DCHECK(m_fontFallbackList); |
| 211 return m_fontFallbackList->fontDataAt(m_fontDescription, index); | 211 return m_fontFallbackList->fontDataAt(m_fontDescription, index); |
| 212 } | 212 } |
| 213 | 213 |
| 214 inline FontSelector* Font::getFontSelector() const { | 214 inline FontSelector* Font::getFontSelector() const { |
| 215 return m_fontFallbackList ? m_fontFallbackList->getFontSelector() : 0; | 215 return m_fontFallbackList ? m_fontFallbackList->getFontSelector() : 0; |
| 216 } | 216 } |
| 217 | 217 |
| 218 inline float Font::tabWidth(const SimpleFontData* fontData, | 218 inline float Font::tabWidth(const SimpleFontData* fontData, |
| 219 const TabSize& tabSize, | 219 const TabSize& tabSize, |
| 220 float position) const { | 220 float position) const { |
| 221 if (!fontData) | 221 if (!fontData) |
| 222 return getFontDescription().letterSpacing(); | 222 return getFontDescription().letterSpacing(); |
| 223 float baseTabWidth = tabSize.getPixelSize(fontData->spaceWidth()); | 223 float baseTabWidth = tabSize.getPixelSize(fontData->spaceWidth()); |
| 224 if (!baseTabWidth) | 224 if (!baseTabWidth) |
| 225 return getFontDescription().letterSpacing(); | 225 return getFontDescription().letterSpacing(); |
| 226 float distanceToTabStop = baseTabWidth - fmodf(position, baseTabWidth); | 226 float distanceToTabStop = baseTabWidth - fmodf(position, baseTabWidth); |
| 227 | 227 |
| 228 // Let the minimum width be the half of the space width so that it's always | 228 // Let the minimum width be the half of the space width so that it's always |
| 229 // recognizable. if the distance to the next tab stop is less than that, | 229 // recognizable. if the distance to the next tab stop is less than that, |
| 230 // advance an additional tab stop. | 230 // advance an additional tab stop. |
| 231 if (distanceToTabStop < fontData->spaceWidth() / 2) | 231 if (distanceToTabStop < fontData->spaceWidth() / 2) |
| 232 distanceToTabStop += baseTabWidth; | 232 distanceToTabStop += baseTabWidth; |
| 233 | 233 |
| 234 return distanceToTabStop; | 234 return distanceToTabStop; |
| 235 } | 235 } |
| 236 | 236 |
| 237 } // namespace blink | 237 } // namespace blink |
| 238 | 238 |
| 239 #endif | 239 #endif |
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