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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 SkFontConfigInterface_DEFINED | 8 #ifndef SkFontConfigInterface_DEFINED |
9 #define SkFontConfigInterface_DEFINED | 9 #define SkFontConfigInterface_DEFINED |
10 | 10 |
11 #include "SkDataTable.h" | 11 #include "SkDataTable.h" |
12 #include "SkFontStyle.h" | 12 #include "SkFontStyle.h" |
13 #include "SkRefCnt.h" | 13 #include "SkRefCnt.h" |
14 #include "SkTypeface.h" | 14 #include "SkTypeface.h" |
15 | 15 |
16 class SkFontMgr; | 16 class SkFontMgr; |
17 | 17 |
18 /** | 18 /** |
19 * \class SkFontConfigInterface | 19 * \class SkFontConfigInterface |
20 * | 20 * |
21 * A simple interface for remotable font management. | 21 * A simple interface for remotable font management. |
22 * The global instance can be found with RefGlobal(). | 22 * The global instance can be found with RefGlobal(). |
23 */ | 23 */ |
24 class SK_API SkFontConfigInterface : public SkRefCnt { | 24 class SK_API SkFontConfigInterface : public SkRefCnt { |
25 public: | 25 public: |
26 | 26 |
27 /** | 27 /** |
28 * Returns the global SkFontConfigInterface instance, and if it is not | 28 * Returns the global SkFontConfigInterface instance. If it is not |
29 * NULL, calls ref() on it. The caller must balance this with a call to | 29 * nullptr, calls ref() on it. The caller must balance this with a call to |
30 * unref(). | 30 * unref(). The default SkFontConfigInterface is the result of calling |
31 * GetSingletonDirectInterface. | |
31 */ | 32 */ |
32 static SkFontConfigInterface* RefGlobal(); | 33 static SkFontConfigInterface* RefGlobal(); |
reed1
2016/09/19 19:10:08
sk_sp<...> ?
bungeman-skia
2016/09/19 19:11:27
Yeah, that needs to be done too.
| |
33 | 34 |
34 /** | 35 /** |
35 * Replace the current global instance with the specified one, safely | 36 * Replace the current global instance with the specified one, safely |
36 * ref'ing the new instance, and unref'ing the previous. Returns its | 37 * ref'ing the new instance, and unref'ing the previous. Returns its |
37 * parameter (the new global instance). | 38 * parameter (the new global instance). |
38 */ | 39 */ |
39 static SkFontConfigInterface* SetGlobal(SkFontConfigInterface*); | 40 static SkFontConfigInterface* SetGlobal(SkFontConfigInterface*); |
40 | 41 |
41 /** | 42 /** |
42 * This should be treated as private to the impl of SkFontConfigInterface. | 43 * This should be treated as private to the impl of SkFontConfigInterface. |
(...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
98 * The default implementation simply returns a new typeface built using dat a obtained from | 99 * The default implementation simply returns a new typeface built using dat a obtained from |
99 * openStream(), but derived classes may implement more complex caching sch emes. | 100 * openStream(), but derived classes may implement more complex caching sch emes. |
100 */ | 101 */ |
101 virtual sk_sp<SkTypeface> makeTypeface(const FontIdentity& identity) { | 102 virtual sk_sp<SkTypeface> makeTypeface(const FontIdentity& identity) { |
102 return SkTypeface::MakeFromStream(this->openStream(identity), identity.f TTCIndex); | 103 return SkTypeface::MakeFromStream(this->openStream(identity), identity.f TTCIndex); |
103 } | 104 } |
104 | 105 |
105 /** | 106 /** |
106 * Return a singleton instance of a direct subclass that calls into | 107 * Return a singleton instance of a direct subclass that calls into |
107 * libfontconfig. This does not affect the refcnt of the returned instance. | 108 * libfontconfig. This does not affect the refcnt of the returned instance. |
108 * The mutex may be used to guarantee the singleton is only constructed onc e. | |
109 */ | 109 */ |
110 static SkFontConfigInterface* GetSingletonDirectInterface(); | 110 static SkFontConfigInterface* GetSingletonDirectInterface(); |
111 | 111 |
112 // New APIS, which have default impls for now (which do nothing) | 112 // New APIS, which have default impls for now (which do nothing) |
113 | 113 |
114 virtual sk_sp<SkDataTable> getFamilyNames() { return SkDataTable::MakeEmpty( ); } | 114 virtual sk_sp<SkDataTable> getFamilyNames() { return SkDataTable::MakeEmpty( ); } |
115 typedef SkRefCnt INHERITED; | 115 typedef SkRefCnt INHERITED; |
116 }; | 116 }; |
117 | 117 |
118 /** Creates a SkFontMgr which wraps a SkFontConfigInterface. */ | |
119 SK_API SkFontMgr* SkFontMgr_New_FCI(SkFontConfigInterface* fci); | |
120 | |
121 #endif | 118 #endif |
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