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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 SkDWrite_DEFINED |
| 9 #define SkDWrite_DEFINED |
| 10 |
8 #include "SkTemplates.h" | 11 #include "SkTemplates.h" |
9 | 12 |
10 #include <dwrite.h> | 13 #include <dwrite.h> |
11 | 14 |
12 class SkString; | 15 class SkString; |
13 | 16 |
14 //////////////////////////////////////////////////////////////////////////////// | 17 //////////////////////////////////////////////////////////////////////////////// |
15 // Factory | 18 // Factory |
16 | 19 |
17 IDWriteFactory* sk_get_dwrite_factory(); | 20 IDWriteFactory* sk_get_dwrite_factory(); |
(...skipping 11 matching lines...) Expand all Loading... |
29 HRESULT sk_wchar_to_skstring(WCHAR* name, SkString* skname); | 32 HRESULT sk_wchar_to_skstring(WCHAR* name, SkString* skname); |
30 | 33 |
31 //////////////////////////////////////////////////////////////////////////////// | 34 //////////////////////////////////////////////////////////////////////////////// |
32 // Locale | 35 // Locale |
33 | 36 |
34 void sk_get_locale_string(IDWriteLocalizedStrings* names, const WCHAR* preferedL
ocale, | 37 void sk_get_locale_string(IDWriteLocalizedStrings* names, const WCHAR* preferedL
ocale, |
35 SkString* skname); | 38 SkString* skname); |
36 | 39 |
37 typedef decltype(GetUserDefaultLocaleName)* SkGetUserDefaultLocaleNameProc; | 40 typedef decltype(GetUserDefaultLocaleName)* SkGetUserDefaultLocaleNameProc; |
38 HRESULT SkGetGetUserDefaultLocaleNameProc(SkGetUserDefaultLocaleNameProc* proc); | 41 HRESULT SkGetGetUserDefaultLocaleNameProc(SkGetUserDefaultLocaleNameProc* proc); |
| 42 |
| 43 //////////////////////////////////////////////////////////////////////////////// |
| 44 // Table handling |
| 45 |
| 46 class AutoDWriteTable { |
| 47 public: |
| 48 AutoDWriteTable(IDWriteFontFace* fontFace, UINT32 beTag) : fFontFace(fontFac
e), fExists(FALSE) { |
| 49 // Any errors are ignored, user must check fExists anyway. |
| 50 fontFace->TryGetFontTable(beTag, |
| 51 reinterpret_cast<const void **>(&fData), &fSize, &fLock, &fExists); |
| 52 } |
| 53 ~AutoDWriteTable() { |
| 54 if (fExists) { |
| 55 fFontFace->ReleaseFontTable(fLock); |
| 56 } |
| 57 } |
| 58 |
| 59 const uint8_t* fData; |
| 60 UINT32 fSize; |
| 61 BOOL fExists; |
| 62 private: |
| 63 // Borrowed reference, the user must ensure the fontFace stays alive. |
| 64 IDWriteFontFace* fFontFace; |
| 65 void* fLock; |
| 66 }; |
| 67 template<typename T> class AutoTDWriteTable : public AutoDWriteTable { |
| 68 public: |
| 69 static const UINT32 tag = DWRITE_MAKE_OPENTYPE_TAG(T::TAG0, T::TAG1, T::TAG2
, T::TAG3); |
| 70 AutoTDWriteTable(IDWriteFontFace* fontFace) : AutoDWriteTable(fontFace, tag)
{ } |
| 71 |
| 72 const T* get() const { return reinterpret_cast<const T*>(fData); } |
| 73 const T* operator->() const { return reinterpret_cast<const T*>(fData); } |
| 74 }; |
| 75 |
| 76 #endif |
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