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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
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 "SkFontDescriptor.h" | 8 #include "SkFontDescriptor.h" |
9 #include "SkFontMgr.h" | 9 #include "SkFontMgr.h" |
10 #include "SkLazyPtr.h" | 10 #include "SkLazyPtr.h" |
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22 } | 22 } |
23 SkTypeface* createTypeface(int index) override { | 23 SkTypeface* createTypeface(int index) override { |
24 SkDEBUGFAIL("SkFontStyleSet::createTypeface called on empty set"); | 24 SkDEBUGFAIL("SkFontStyleSet::createTypeface called on empty set"); |
25 return NULL; | 25 return NULL; |
26 } | 26 } |
27 SkTypeface* matchStyle(const SkFontStyle&) override { | 27 SkTypeface* matchStyle(const SkFontStyle&) override { |
28 return NULL; | 28 return NULL; |
29 } | 29 } |
30 }; | 30 }; |
31 | 31 |
32 SkFontStyleSet* SkFontStyleSet::CreateEmpty() { | 32 SkFontStyleSet* SkFontStyleSet::CreateEmpty() { return new SkEmptyFontStyleSet;
} |
33 return SkNEW(SkEmptyFontStyleSet); | |
34 } | |
35 | 33 |
36 /////////////////////////////////////////////////////////////////////////////// | 34 /////////////////////////////////////////////////////////////////////////////// |
37 | 35 |
38 class SkEmptyFontMgr : public SkFontMgr { | 36 class SkEmptyFontMgr : public SkFontMgr { |
39 protected: | 37 protected: |
40 int onCountFamilies() const override { | 38 int onCountFamilies() const override { |
41 return 0; | 39 return 0; |
42 } | 40 } |
43 void onGetFamilyName(int index, SkString* familyName) const override { | 41 void onGetFamilyName(int index, SkString* familyName) const override { |
44 SkDEBUGFAIL("onGetFamilyName called with bad index"); | 42 SkDEBUGFAIL("onGetFamilyName called with bad index"); |
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63 return NULL; | 61 return NULL; |
64 } | 62 } |
65 virtual SkTypeface* onMatchFaceStyle(const SkTypeface*, | 63 virtual SkTypeface* onMatchFaceStyle(const SkTypeface*, |
66 const SkFontStyle&) const override { | 64 const SkFontStyle&) const override { |
67 return NULL; | 65 return NULL; |
68 } | 66 } |
69 SkTypeface* onCreateFromData(SkData*, int) const override { | 67 SkTypeface* onCreateFromData(SkData*, int) const override { |
70 return NULL; | 68 return NULL; |
71 } | 69 } |
72 SkTypeface* onCreateFromStream(SkStreamAsset* stream, int) const override { | 70 SkTypeface* onCreateFromStream(SkStreamAsset* stream, int) const override { |
73 SkDELETE(stream); | 71 delete stream; |
74 return NULL; | 72 return NULL; |
75 } | 73 } |
76 SkTypeface* onCreateFromFile(const char[], int) const override { | 74 SkTypeface* onCreateFromFile(const char[], int) const override { |
77 return NULL; | 75 return NULL; |
78 } | 76 } |
79 SkTypeface* onLegacyCreateTypeface(const char [], unsigned) const override { | 77 SkTypeface* onLegacyCreateTypeface(const char [], unsigned) const override { |
80 return NULL; | 78 return NULL; |
81 } | 79 } |
82 }; | 80 }; |
83 | 81 |
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156 } | 154 } |
157 | 155 |
158 SkTypeface* SkFontMgr::legacyCreateTypeface(const char familyName[], | 156 SkTypeface* SkFontMgr::legacyCreateTypeface(const char familyName[], |
159 unsigned styleBits) const { | 157 unsigned styleBits) const { |
160 return this->onLegacyCreateTypeface(familyName, styleBits); | 158 return this->onLegacyCreateTypeface(familyName, styleBits); |
161 } | 159 } |
162 | 160 |
163 // As a template argument this must have external linkage. | 161 // As a template argument this must have external linkage. |
164 SkFontMgr* sk_fontmgr_create_default() { | 162 SkFontMgr* sk_fontmgr_create_default() { |
165 SkFontMgr* fm = SkFontMgr::Factory(); | 163 SkFontMgr* fm = SkFontMgr::Factory(); |
166 return fm ? fm : SkNEW(SkEmptyFontMgr); | 164 return fm ? fm : new SkEmptyFontMgr; |
167 } | 165 } |
168 | 166 |
169 SK_DECLARE_STATIC_LAZY_PTR(SkFontMgr, singleton, sk_fontmgr_create_default); | 167 SK_DECLARE_STATIC_LAZY_PTR(SkFontMgr, singleton, sk_fontmgr_create_default); |
170 | 168 |
171 SkFontMgr* SkFontMgr::RefDefault() { | 169 SkFontMgr* SkFontMgr::RefDefault() { |
172 return SkRef(singleton.get()); | 170 return SkRef(singleton.get()); |
173 } | 171 } |
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