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1 /* | 1 /* |
2 * This file is part of the internal font implementation. | 2 * This file is part of the internal font implementation. |
3 * | 3 * |
4 * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved. | 4 * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved. |
5 * Copyright (C) 2007-2008 Torch Mobile, Inc. | 5 * Copyright (C) 2007-2008 Torch Mobile, Inc. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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34 #include "core/platform/graphics/GlyphPageTreeNode.h" | 34 #include "core/platform/graphics/GlyphPageTreeNode.h" |
35 #if ENABLE(OPENTYPE_VERTICAL) | 35 #if ENABLE(OPENTYPE_VERTICAL) |
36 #include "core/platform/graphics/opentype/OpenTypeVerticalData.h" | 36 #include "core/platform/graphics/opentype/OpenTypeVerticalData.h" |
37 #endif | 37 #endif |
38 #include "core/platform/graphics/TypesettingFeatures.h" | 38 #include "core/platform/graphics/TypesettingFeatures.h" |
39 #include "wtf/OwnPtr.h" | 39 #include "wtf/OwnPtr.h" |
40 #include "wtf/PassOwnPtr.h" | 40 #include "wtf/PassOwnPtr.h" |
41 #include "wtf/text/StringHash.h" | 41 #include "wtf/text/StringHash.h" |
42 #include "wtf/UnusedParam.h" | 42 #include "wtf/UnusedParam.h" |
43 | 43 |
44 #if OS(DARWIN) | 44 #if OS(MACOSX) |
45 #include "wtf/RetainPtr.h" | 45 #include "wtf/RetainPtr.h" |
46 #endif | 46 #endif |
47 | 47 |
48 namespace WebCore { | 48 namespace WebCore { |
49 | 49 |
50 class FontDescription; | 50 class FontDescription; |
51 class SharedBuffer; | 51 class SharedBuffer; |
52 struct WidthIterator; | 52 struct WidthIterator; |
53 | 53 |
54 enum FontDataVariant { AutoVariant, NormalVariant, SmallCapsVariant, EmphasisMar
kVariant, BrokenIdeographVariant }; | 54 enum FontDataVariant { AutoVariant, NormalVariant, SmallCapsVariant, EmphasisMar
kVariant, BrokenIdeographVariant }; |
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127 | 127 |
128 FloatRect boundsForGlyph(Glyph) const; | 128 FloatRect boundsForGlyph(Glyph) const; |
129 float widthForGlyph(Glyph glyph) const; | 129 float widthForGlyph(Glyph glyph) const; |
130 FloatRect platformBoundsForGlyph(Glyph) const; | 130 FloatRect platformBoundsForGlyph(Glyph) const; |
131 float platformWidthForGlyph(Glyph) const; | 131 float platformWidthForGlyph(Glyph) const; |
132 | 132 |
133 float spaceWidth() const { return m_spaceWidth; } | 133 float spaceWidth() const { return m_spaceWidth; } |
134 float adjustedSpaceWidth() const { return m_adjustedSpaceWidth; } | 134 float adjustedSpaceWidth() const { return m_adjustedSpaceWidth; } |
135 void setSpaceWidth(float spaceWidth) { m_spaceWidth = spaceWidth; } | 135 void setSpaceWidth(float spaceWidth) { m_spaceWidth = spaceWidth; } |
136 | 136 |
137 #if OS(DARWIN) | 137 #if OS(MACOSX) |
138 float syntheticBoldOffset() const { return m_syntheticBoldOffset; } | 138 float syntheticBoldOffset() const { return m_syntheticBoldOffset; } |
139 #endif | 139 #endif |
140 | 140 |
141 Glyph spaceGlyph() const { return m_spaceGlyph; } | 141 Glyph spaceGlyph() const { return m_spaceGlyph; } |
142 void setSpaceGlyph(Glyph spaceGlyph) { m_spaceGlyph = spaceGlyph; } | 142 void setSpaceGlyph(Glyph spaceGlyph) { m_spaceGlyph = spaceGlyph; } |
143 Glyph zeroWidthSpaceGlyph() const { return m_zeroWidthSpaceGlyph; } | 143 Glyph zeroWidthSpaceGlyph() const { return m_zeroWidthSpaceGlyph; } |
144 void setZeroWidthSpaceGlyph(Glyph spaceGlyph) { m_zeroWidthSpaceGlyph = spac
eGlyph; } | 144 void setZeroWidthSpaceGlyph(Glyph spaceGlyph) { m_zeroWidthSpaceGlyph = spac
eGlyph; } |
145 bool isZeroWidthSpaceGlyph(Glyph glyph) const { return glyph == m_zeroWidthS
paceGlyph && glyph; } | 145 bool isZeroWidthSpaceGlyph(Glyph glyph) const { return glyph == m_zeroWidthS
paceGlyph && glyph; } |
146 Glyph zeroGlyph() const { return m_zeroGlyph; } | 146 Glyph zeroGlyph() const { return m_zeroGlyph; } |
147 void setZeroGlyph(Glyph zeroGlyph) { m_zeroGlyph = zeroGlyph; } | 147 void setZeroGlyph(Glyph zeroGlyph) { m_zeroGlyph = zeroGlyph; } |
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161 virtual bool isLoading() const { return m_isLoading; } | 161 virtual bool isLoading() const { return m_isLoading; } |
162 virtual bool isSegmented() const; | 162 virtual bool isSegmented() const; |
163 | 163 |
164 const GlyphData& missingGlyphData() const { return m_missingGlyphData; } | 164 const GlyphData& missingGlyphData() const { return m_missingGlyphData; } |
165 void setMissingGlyphData(const GlyphData& glyphData) { m_missingGlyphData =
glyphData; } | 165 void setMissingGlyphData(const GlyphData& glyphData) { m_missingGlyphData =
glyphData; } |
166 | 166 |
167 #ifndef NDEBUG | 167 #ifndef NDEBUG |
168 virtual String description() const; | 168 virtual String description() const; |
169 #endif | 169 #endif |
170 | 170 |
171 #if OS(DARWIN) | 171 #if OS(MACOSX) |
172 const SimpleFontData* getCompositeFontReferenceFontData(NSFont *key) const; | 172 const SimpleFontData* getCompositeFontReferenceFontData(NSFont *key) const; |
173 NSFont* getNSFont() const { return m_platformData.font(); } | 173 NSFont* getNSFont() const { return m_platformData.font(); } |
174 #endif | 174 #endif |
175 | 175 |
176 #if OS(DARWIN) | 176 #if OS(MACOSX) |
177 CFDictionaryRef getCFStringAttributes(TypesettingFeatures, FontOrientation)
const; | 177 CFDictionaryRef getCFStringAttributes(TypesettingFeatures, FontOrientation)
const; |
178 #endif | 178 #endif |
179 | 179 |
180 #if OS(DARWIN) || USE(HARFBUZZ) | 180 #if OS(MACOSX) || USE(HARFBUZZ) |
181 bool canRenderCombiningCharacterSequence(const UChar*, size_t) const; | 181 bool canRenderCombiningCharacterSequence(const UChar*, size_t) const; |
182 #endif | 182 #endif |
183 | 183 |
184 bool applyTransforms(GlyphBufferGlyph* glyphs, GlyphBufferAdvance* advances,
size_t glyphCount, TypesettingFeatures typesettingFeatures) const | 184 bool applyTransforms(GlyphBufferGlyph* glyphs, GlyphBufferAdvance* advances,
size_t glyphCount, TypesettingFeatures typesettingFeatures) const |
185 { | 185 { |
186 UNUSED_PARAM(glyphs); | 186 UNUSED_PARAM(glyphs); |
187 UNUSED_PARAM(advances); | 187 UNUSED_PARAM(advances); |
188 UNUSED_PARAM(glyphCount); | 188 UNUSED_PARAM(glyphCount); |
189 UNUSED_PARAM(typesettingFeatures); | 189 UNUSED_PARAM(typesettingFeatures); |
190 return false; | 190 return false; |
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238 struct DerivedFontData { | 238 struct DerivedFontData { |
239 static PassOwnPtr<DerivedFontData> create(bool forCustomFont); | 239 static PassOwnPtr<DerivedFontData> create(bool forCustomFont); |
240 ~DerivedFontData(); | 240 ~DerivedFontData(); |
241 | 241 |
242 bool forCustomFont; | 242 bool forCustomFont; |
243 RefPtr<SimpleFontData> smallCaps; | 243 RefPtr<SimpleFontData> smallCaps; |
244 RefPtr<SimpleFontData> emphasisMark; | 244 RefPtr<SimpleFontData> emphasisMark; |
245 RefPtr<SimpleFontData> brokenIdeograph; | 245 RefPtr<SimpleFontData> brokenIdeograph; |
246 RefPtr<SimpleFontData> verticalRightOrientation; | 246 RefPtr<SimpleFontData> verticalRightOrientation; |
247 RefPtr<SimpleFontData> uprightOrientation; | 247 RefPtr<SimpleFontData> uprightOrientation; |
248 #if OS(DARWIN) | 248 #if OS(MACOSX) |
249 mutable RetainPtr<CFMutableDictionaryRef> compositeFontReferences; | 249 mutable RetainPtr<CFMutableDictionaryRef> compositeFontReferences; |
250 #endif | 250 #endif |
251 | 251 |
252 private: | 252 private: |
253 DerivedFontData(bool custom) | 253 DerivedFontData(bool custom) |
254 : forCustomFont(custom) | 254 : forCustomFont(custom) |
255 { | 255 { |
256 } | 256 } |
257 }; | 257 }; |
258 | 258 |
259 mutable OwnPtr<DerivedFontData> m_derivedFontData; | 259 mutable OwnPtr<DerivedFontData> m_derivedFontData; |
260 | 260 |
261 #if OS(DARWIN) | 261 #if OS(MACOSX) |
262 float m_syntheticBoldOffset; | 262 float m_syntheticBoldOffset; |
263 | 263 |
264 mutable HashMap<unsigned, RetainPtr<CFDictionaryRef> > m_CFStringAttributes; | 264 mutable HashMap<unsigned, RetainPtr<CFDictionaryRef> > m_CFStringAttributes; |
265 #endif | 265 #endif |
266 | 266 |
267 #if OS(DARWIN) || USE(HARFBUZZ) | 267 #if OS(MACOSX) || USE(HARFBUZZ) |
268 mutable OwnPtr<HashMap<String, bool> > m_combiningCharacterSequenceSupport; | 268 mutable OwnPtr<HashMap<String, bool> > m_combiningCharacterSequenceSupport; |
269 #endif | 269 #endif |
270 }; | 270 }; |
271 | 271 |
272 ALWAYS_INLINE FloatRect SimpleFontData::boundsForGlyph(Glyph glyph) const | 272 ALWAYS_INLINE FloatRect SimpleFontData::boundsForGlyph(Glyph glyph) const |
273 { | 273 { |
274 if (isZeroWidthSpaceGlyph(glyph)) | 274 if (isZeroWidthSpaceGlyph(glyph)) |
275 return FloatRect(); | 275 return FloatRect(); |
276 | 276 |
277 FloatRect bounds; | 277 FloatRect bounds; |
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294 return 0; | 294 return 0; |
295 | 295 |
296 float width = m_glyphToWidthMap.metricsForGlyph(glyph); | 296 float width = m_glyphToWidthMap.metricsForGlyph(glyph); |
297 if (width != cGlyphSizeUnknown) | 297 if (width != cGlyphSizeUnknown) |
298 return width; | 298 return width; |
299 | 299 |
300 if (m_fontData) | 300 if (m_fontData) |
301 width = m_fontData->widthForSVGGlyph(glyph, m_platformData.size()); | 301 width = m_fontData->widthForSVGGlyph(glyph, m_platformData.size()); |
302 #if ENABLE(OPENTYPE_VERTICAL) | 302 #if ENABLE(OPENTYPE_VERTICAL) |
303 else if (m_verticalData) | 303 else if (m_verticalData) |
304 #if OS(DARWIN) | 304 #if OS(MACOSX) |
305 width = m_verticalData->advanceHeight(this, glyph) + m_syntheticBoldOffs
et; | 305 width = m_verticalData->advanceHeight(this, glyph) + m_syntheticBoldOffs
et; |
306 #else | 306 #else |
307 width = m_verticalData->advanceHeight(this, glyph); | 307 width = m_verticalData->advanceHeight(this, glyph); |
308 #endif | 308 #endif |
309 #endif | 309 #endif |
310 else | 310 else |
311 width = platformWidthForGlyph(glyph); | 311 width = platformWidthForGlyph(glyph); |
312 | 312 |
313 m_glyphToWidthMap.setMetricsForGlyph(glyph, width); | 313 m_glyphToWidthMap.setMetricsForGlyph(glyph, width); |
314 return width; | 314 return width; |
315 } | 315 } |
316 | 316 |
317 } // namespace WebCore | 317 } // namespace WebCore |
318 #endif // SimpleFontData_h | 318 #endif // SimpleFontData_h |
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