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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 "SkTArray.h" | 14 #include "SkTArray.h" |
15 #include "SkThread.h" | |
15 #include "SkTypeface.h" | 16 #include "SkTypeface.h" |
16 | 17 |
17 /** | 18 /** |
18 * \class SkFontConfigInterface | 19 * \class SkFontConfigInterface |
19 * | 20 * |
20 * Provides SkFontHost clients with access to fontconfig services. They will | 21 * Provides SkFontHost clients with access to fontconfig services. They will |
21 * access the global instance found in RefGlobal(). | 22 * access the global instance found in RefGlobal(). |
22 */ | 23 */ |
23 class SK_API SkFontConfigInterface : public SkRefCnt { | 24 class SK_API SkFontConfigInterface : public SkRefCnt { |
24 public: | 25 public: |
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88 /** | 89 /** |
89 * Given a FontRef, open a stream to access its data, or return null | 90 * Given a FontRef, open a stream to access its data, or return null |
90 * if the FontRef's data is not available. The caller is responsible for | 91 * if the FontRef's data is not available. The caller is responsible for |
91 * calling stream->unref() when it is done accessing the data. | 92 * calling stream->unref() when it is done accessing the data. |
92 */ | 93 */ |
93 virtual SkStream* openStream(const FontIdentity&) = 0; | 94 virtual SkStream* openStream(const FontIdentity&) = 0; |
94 | 95 |
95 /** | 96 /** |
96 * Return a singleton instance of a direct subclass that calls into | 97 * Return a singleton instance of a direct subclass that calls into |
97 * libfontconfig. This does not affect the refcnt of the returned instance. | 98 * libfontconfig. This does not affect the refcnt of the returned instance. |
99 * The mutex may be used to guarantee the singleton is only constructed onc e. | |
98 */ | 100 */ |
99 static SkFontConfigInterface* GetSingletonDirectInterface(); | 101 static SkFontConfigInterface* GetSingletonDirectInterface(SkBaseMutex& mutex ); |
mtklein
2014/06/26 18:59:07
Would mildly prefer passing this as a pointer.
tomhudson
2014/06/26 21:01:52
I wish for pointers just to avoid the #include. I'
mtklein
2014/06/26 21:05:31
Just FYI, you can forward declare types used as re
| |
100 | 102 |
101 // New APIS, which have default impls for now (which do nothing) | 103 // New APIS, which have default impls for now (which do nothing) |
102 | 104 |
103 virtual SkDataTable* getFamilyNames() { return SkDataTable::NewEmpty(); } | 105 virtual SkDataTable* getFamilyNames() { return SkDataTable::NewEmpty(); } |
104 virtual bool matchFamilySet(const char inFamilyName[], | 106 virtual bool matchFamilySet(const char inFamilyName[], |
105 SkString* outFamilyName, | 107 SkString* outFamilyName, |
106 SkTArray<FontIdentity>*) { | 108 SkTArray<FontIdentity>*) { |
107 return false; | 109 return false; |
108 } | 110 } |
109 typedef SkRefCnt INHERITED; | 111 typedef SkRefCnt INHERITED; |
110 }; | 112 }; |
111 | 113 |
112 #endif | 114 #endif |
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