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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 #ifndef SkFontMgr_DEFINED | 8 #ifndef SkFontMgr_DEFINED |
9 #define SkFontMgr_DEFINED | 9 #define SkFontMgr_DEFINED |
10 | 10 |
11 #include "SkRefCnt.h" | 11 #include "SkRefCnt.h" |
12 #include "SkFontStyle.h" | 12 #include "SkFontStyle.h" |
13 | 13 |
14 class SkData; | 14 class SkData; |
15 class SkFontData; | 15 class SkFontData; |
16 class SkStreamAsset; | 16 class SkStreamAsset; |
17 class SkString; | 17 class SkString; |
18 class SkTypeface; | 18 class SkTypeface; |
19 | 19 |
20 class SK_API SkFontStyleSet : public SkRefCnt { | 20 class SK_API SkFontStyleSet : public SkRefCnt { |
21 public: | 21 public: |
22 | |
23 | |
24 virtual int count() = 0; | 22 virtual int count() = 0; |
25 virtual void getStyle(int index, SkFontStyle*, SkString* style) = 0; | 23 virtual void getStyle(int index, SkFontStyle*, SkString* style) = 0; |
26 virtual SkTypeface* createTypeface(int index) = 0; | 24 virtual SkTypeface* createTypeface(int index) = 0; |
27 virtual SkTypeface* matchStyle(const SkFontStyle& pattern) = 0; | 25 virtual SkTypeface* matchStyle(const SkFontStyle& pattern) = 0; |
28 | 26 |
29 static SkFontStyleSet* CreateEmpty(); | 27 static SkFontStyleSet* CreateEmpty(); |
30 | 28 |
| 29 protected: |
| 30 SkTypeface* matchStyleCSS3(const SkFontStyle& pattern); |
| 31 |
31 private: | 32 private: |
32 typedef SkRefCnt INHERITED; | 33 typedef SkRefCnt INHERITED; |
33 }; | 34 }; |
34 | 35 |
35 class SkTypeface; | |
36 | |
37 class SK_API SkFontMgr : public SkRefCnt { | 36 class SK_API SkFontMgr : public SkRefCnt { |
38 public: | 37 public: |
39 | |
40 | |
41 int countFamilies() const; | 38 int countFamilies() const; |
42 void getFamilyName(int index, SkString* familyName) const; | 39 void getFamilyName(int index, SkString* familyName) const; |
43 SkFontStyleSet* createStyleSet(int index) const; | 40 SkFontStyleSet* createStyleSet(int index) const; |
44 | 41 |
45 /** | 42 /** |
46 * The caller must call unref() on the returned object. | 43 * The caller must call unref() on the returned object. |
47 * Never returns NULL; will return an empty set if the name is not found. | 44 * Never returns NULL; will return an empty set if the name is not found. |
48 * | 45 * |
49 * It is possible that this will return a style set not accessible from | 46 * It is possible that this will return a style set not accessible from |
50 * createStyleSet(int) due to hidden or auto-activated fonts. | 47 * createStyleSet(int) due to hidden or auto-activated fonts. |
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145 virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], | 142 virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], |
146 unsigned styleBits) const = 0; | 143 unsigned styleBits) const = 0; |
147 private: | 144 private: |
148 static SkFontMgr* Factory(); // implemented by porting layer | 145 static SkFontMgr* Factory(); // implemented by porting layer |
149 friend SkFontMgr* sk_fontmgr_create_default(); | 146 friend SkFontMgr* sk_fontmgr_create_default(); |
150 | 147 |
151 typedef SkRefCnt INHERITED; | 148 typedef SkRefCnt INHERITED; |
152 }; | 149 }; |
153 | 150 |
154 #endif | 151 #endif |
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