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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007 Apple Computer, Inc. | 2 * Copyright (C) 2006, 2007 Apple Computer, Inc. |
3 * Copyright (c) 2006, 2007, 2008, 2009, 2012 Google Inc. All rights reserved. | 3 * Copyright (c) 2006, 2007, 2008, 2009, 2012 Google Inc. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
7 * met: | 7 * met: |
8 * | 8 * |
9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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90 // static | 90 // static |
91 void FontCache::setStatusFontMetrics(const wchar_t* familyName, int32_t fontHeig
ht) | 91 void FontCache::setStatusFontMetrics(const wchar_t* familyName, int32_t fontHeig
ht) |
92 { | 92 { |
93 s_statusFontFamilyName = new AtomicString(familyName); | 93 s_statusFontFamilyName = new AtomicString(familyName); |
94 s_statusFontHeight = ensureMinimumFontHeightIfNeeded(fontHeight); | 94 s_statusFontHeight = ensureMinimumFontHeightIfNeeded(fontHeight); |
95 } | 95 } |
96 | 96 |
97 FontCache::FontCache() | 97 FontCache::FontCache() |
98 : m_purgePreventCount(0) | 98 : m_purgePreventCount(0) |
99 { | 99 { |
100 if (s_fontManager) { | 100 SkFontMgr* fontManager; |
101 adopted(s_fontManager); | 101 |
102 m_fontManager = s_fontManager; | 102 if (s_useDirectWrite) { |
103 } else if (s_useDirectWrite) { | 103 fontManager = SkFontMgr_New_DirectWrite(s_directWriteFactory); |
104 m_fontManager = adoptRef(SkFontMgr_New_DirectWrite()); | 104 s_useSubpixelPositioning = true; |
105 } else { | 105 } else { |
106 m_fontManager = adoptRef(SkFontMgr_New_GDI()); | 106 fontManager = SkFontMgr_New_GDI(); |
| 107 // Subpixel text positioning is not supported by the GDI backend. |
| 108 s_useSubpixelPositioning = false; |
107 } | 109 } |
108 | 110 |
109 // Subpixel text positioning is only supported by the DirectWrite backend (n
ot GDI). | 111 ASSERT(fontManager); |
110 s_useSubpixelPositioning = s_useDirectWrite; | 112 m_fontManager = adoptPtr(fontManager); |
111 | |
112 ASSERT(m_fontManager.get()); | |
113 } | 113 } |
114 | 114 |
115 | 115 |
116 // Given the desired base font, this will create a SimpleFontData for a specific | 116 // Given the desired base font, this will create a SimpleFontData for a specific |
117 // font that can be used to render the given range of characters. | 117 // font that can be used to render the given range of characters. |
118 PassRefPtr<SimpleFontData> FontCache::fallbackFontForCharacter( | 118 PassRefPtr<SimpleFontData> FontCache::fallbackFontForCharacter( |
119 const FontDescription& fontDescription, UChar32 character, | 119 const FontDescription& fontDescription, UChar32 character, |
120 const SimpleFontData* originalFontData) | 120 const SimpleFontData* originalFontData) |
121 { | 121 { |
122 // First try the specified font with standard style & weight. | 122 // First try the specified font with standard style & weight. |
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420 if (typefacesMatchesFamily(tf.get(), family)) { | 420 if (typefacesMatchesFamily(tf.get(), family)) { |
421 result->setMinSizeForSubpixel(minSizeForSubpixelForFont); | 421 result->setMinSizeForSubpixel(minSizeForSubpixelForFont); |
422 break; | 422 break; |
423 } | 423 } |
424 } | 424 } |
425 | 425 |
426 return result.release(); | 426 return result.release(); |
427 } | 427 } |
428 | 428 |
429 } // namespace blink | 429 } // namespace blink |
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