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1 /* | 1 /* |
2 * Copyright 2011 The Android Open Source Project | 2 * Copyright 2011 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkAdvancedTypefaceMetrics.h" | 8 #include "SkAdvancedTypefaceMetrics.h" |
9 #include "SkEndian.h" | 9 #include "SkEndian.h" |
10 #include "SkFontDescriptor.h" | 10 #include "SkFontDescriptor.h" |
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89 // CreateTypeface is happening at any given time. | 89 // CreateTypeface is happening at any given time. |
90 // TODO(bungeman, mtklein): This is sad. Make our fontconfig code safe? | 90 // TODO(bungeman, mtklein): This is sad. Make our fontconfig code safe? |
91 SkAutoMutexAcquire lock(&gCreateDefaultMutex); | 91 SkAutoMutexAcquire lock(&gCreateDefaultMutex); |
92 | 92 |
93 SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault()); | 93 SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault()); |
94 SkTypeface* t = fm->legacyCreateTypeface(nullptr, SkFontStyle::FromOldSt
yle(style)); | 94 SkTypeface* t = fm->legacyCreateTypeface(nullptr, SkFontStyle::FromOldSt
yle(style)); |
95 return t ? t : SkEmptyTypeface::Create(); | 95 return t ? t : SkEmptyTypeface::Create(); |
96 }); | 96 }); |
97 } | 97 } |
98 | 98 |
| 99 SkTypeface* SkTypeface::GetDefaultTypeface(SkFontStyle style) { |
| 100 SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault()); |
| 101 SkTypeface* t = fm->matchFamilyStyle(nullptr, style); |
| 102 return t ? t : SkEmptyTypeface::Create(); |
| 103 } |
| 104 |
99 SkTypeface* SkTypeface::RefDefault(Style style) { | 105 SkTypeface* SkTypeface::RefDefault(Style style) { |
100 return SkRef(GetDefaultTypeface(style)); | 106 return SkRef(GetDefaultTypeface(style)); |
101 } | 107 } |
102 | 108 |
| 109 SkTypeface* SkTypeface::RefDefault(SkFontStyle style) { |
| 110 return SkRef(GetDefaultTypeface(style)); |
| 111 } |
| 112 |
103 uint32_t SkTypeface::UniqueID(const SkTypeface* face) { | 113 uint32_t SkTypeface::UniqueID(const SkTypeface* face) { |
104 if (nullptr == face) { | 114 if (nullptr == face) { |
105 face = GetDefaultTypeface(); | 115 face = GetDefaultTypeface(); |
106 } | 116 } |
107 return face->uniqueID(); | 117 return face->uniqueID(); |
108 } | 118 } |
109 | 119 |
110 bool SkTypeface::Equal(const SkTypeface* facea, const SkTypeface* faceb) { | 120 bool SkTypeface::Equal(const SkTypeface* facea, const SkTypeface* faceb) { |
111 return facea == faceb || SkTypeface::UniqueID(facea) == SkTypeface::UniqueID
(faceb); | 121 return facea == faceb || SkTypeface::UniqueID(facea) == SkTypeface::UniqueID
(faceb); |
112 } | 122 } |
113 | 123 |
114 /////////////////////////////////////////////////////////////////////////////// | 124 /////////////////////////////////////////////////////////////////////////////// |
115 | 125 |
116 SkTypeface* SkTypeface::CreateFromName(const char name[], Style style) { | 126 SkTypeface* SkTypeface::CreateFromName(const char name[], Style style) { |
117 if (gCreateTypefaceDelegate) { | 127 if (gCreateTypefaceDelegate) { |
118 SkTypeface* result = (*gCreateTypefaceDelegate)(name, style); | 128 SkTypeface* result = (*gCreateTypefaceDelegate)(name, style); |
119 if (result) { | 129 if (result) { |
120 return result; | 130 return result; |
121 } | 131 } |
122 } | 132 } |
123 if (nullptr == name) { | 133 if (nullptr == name) { |
124 return RefDefault(style); | 134 return RefDefault(style); |
125 } | 135 } |
126 SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault()); | 136 SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault()); |
127 return fm->legacyCreateTypeface(name, SkFontStyle::FromOldStyle(style)); | 137 return fm->legacyCreateTypeface(name, SkFontStyle::FromOldStyle(style)); |
128 } | 138 } |
129 | 139 |
| 140 SkTypeface* SkTypeface::CreateFromName(const char name[], SkFontStyle style) { |
| 141 if (nullptr == name) { |
| 142 return RefDefault(style); |
| 143 } |
| 144 SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault()); |
| 145 return fm->matchFamilyStyle(name, style); |
| 146 } |
| 147 |
130 SkTypeface* SkTypeface::CreateFromTypeface(const SkTypeface* family, Style s) { | 148 SkTypeface* SkTypeface::CreateFromTypeface(const SkTypeface* family, Style s) { |
131 if (!family) { | 149 if (!family) { |
132 return SkTypeface::RefDefault(s); | 150 return SkTypeface::RefDefault(s); |
133 } | 151 } |
134 | 152 |
135 if (family->style() == s) { | 153 if (family->style() == s) { |
136 family->ref(); | 154 family->ref(); |
137 return const_cast<SkTypeface*>(family); | 155 return const_cast<SkTypeface*>(family); |
138 } | 156 } |
139 | 157 |
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357 SkAutoTDelete<SkScalerContext> ctx(this->createScalerContext(noeffects, desc
, true)); | 375 SkAutoTDelete<SkScalerContext> ctx(this->createScalerContext(noeffects, desc
, true)); |
358 if (ctx.get()) { | 376 if (ctx.get()) { |
359 SkPaint::FontMetrics fm; | 377 SkPaint::FontMetrics fm; |
360 ctx->getFontMetrics(&fm); | 378 ctx->getFontMetrics(&fm); |
361 bounds->set(fm.fXMin * invTextSize, fm.fTop * invTextSize, | 379 bounds->set(fm.fXMin * invTextSize, fm.fTop * invTextSize, |
362 fm.fXMax * invTextSize, fm.fBottom * invTextSize); | 380 fm.fXMax * invTextSize, fm.fBottom * invTextSize); |
363 return true; | 381 return true; |
364 } | 382 } |
365 return false; | 383 return false; |
366 } | 384 } |
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