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| 1 /* | 1 /* |
| 2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 SkDWriteFontFileStream_DEFINED | 8 #ifndef SkDWriteFontFileStream_DEFINED |
| 9 #define SkDWriteFontFileStream_DEFINED | 9 #define SkDWriteFontFileStream_DEFINED |
| 10 | 10 |
| 11 #include "SkTypes.h" | 11 #include "SkTypes.h" |
| 12 | 12 |
| 13 #include "SkStream.h" | 13 #include "SkStream.h" |
| 14 #include "SkTScopedComPtr.h" | 14 #include "SkTScopedComPtr.h" |
| 15 | 15 |
| 16 #include <dwrite.h> | 16 #include <dwrite.h> |
| 17 | 17 |
| 18 /** | 18 /** |
| 19 * An SkStream backed by an IDWriteFontFileStream. | 19 * An SkStream backed by an IDWriteFontFileStream. |
| 20 * This allows Skia code to read an IDWriteFontFileStream. | 20 * This allows Skia code to read an IDWriteFontFileStream. |
| 21 */ | 21 */ |
| 22 class SkDWriteFontFileStream : public SkStreamMemory { | 22 class SkDWriteFontFileStream : public SkStreamMemory { |
| 23 public: | 23 public: |
| 24 explicit SkDWriteFontFileStream(IDWriteFontFileStream* fontFileStream); | 24 explicit SkDWriteFontFileStream(IDWriteFontFileStream* fontFileStream); |
| 25 virtual ~SkDWriteFontFileStream(); | 25 virtual ~SkDWriteFontFileStream(); |
| 26 | 26 |
| 27 virtual size_t read(void* buffer, size_t size) SK_OVERRIDE; | 27 size_t read(void* buffer, size_t size) SK_OVERRIDE; |
| 28 virtual bool isAtEnd() const SK_OVERRIDE; | 28 bool isAtEnd() const SK_OVERRIDE; |
| 29 virtual bool rewind() SK_OVERRIDE; | 29 bool rewind() SK_OVERRIDE; |
| 30 virtual SkDWriteFontFileStream* duplicate() const SK_OVERRIDE; | 30 SkDWriteFontFileStream* duplicate() const SK_OVERRIDE; |
| 31 virtual size_t getPosition() const SK_OVERRIDE; | 31 size_t getPosition() const SK_OVERRIDE; |
| 32 virtual bool seek(size_t position) SK_OVERRIDE; | 32 bool seek(size_t position) SK_OVERRIDE; |
| 33 virtual bool move(long offset) SK_OVERRIDE; | 33 bool move(long offset) SK_OVERRIDE; |
| 34 virtual SkDWriteFontFileStream* fork() const SK_OVERRIDE; | 34 SkDWriteFontFileStream* fork() const SK_OVERRIDE; |
| 35 virtual size_t getLength() const SK_OVERRIDE; | 35 size_t getLength() const SK_OVERRIDE; |
| 36 virtual const void* getMemoryBase() SK_OVERRIDE; | 36 const void* getMemoryBase() SK_OVERRIDE; |
| 37 | 37 |
| 38 private: | 38 private: |
| 39 SkTScopedComPtr<IDWriteFontFileStream> fFontFileStream; | 39 SkTScopedComPtr<IDWriteFontFileStream> fFontFileStream; |
| 40 size_t fPos; | 40 size_t fPos; |
| 41 const void* fLockedMemory; | 41 const void* fLockedMemory; |
| 42 void* fFragmentLock; | 42 void* fFragmentLock; |
| 43 }; | 43 }; |
| 44 | 44 |
| 45 /** | 45 /** |
| 46 * An IDWriteFontFileStream backed by an SkStream. | 46 * An IDWriteFontFileStream backed by an SkStream. |
| (...skipping 21 matching lines...) Expand all Loading... |
| 68 | 68 |
| 69 private: | 69 private: |
| 70 explicit SkDWriteFontFileStreamWrapper(SkStream* stream); | 70 explicit SkDWriteFontFileStreamWrapper(SkStream* stream); |
| 71 virtual ~SkDWriteFontFileStreamWrapper() { } | 71 virtual ~SkDWriteFontFileStreamWrapper() { } |
| 72 | 72 |
| 73 ULONG fRefCount; | 73 ULONG fRefCount; |
| 74 SkAutoTUnref<SkStream> fStream; | 74 SkAutoTUnref<SkStream> fStream; |
| 75 SkMutex fStreamMutex; | 75 SkMutex fStreamMutex; |
| 76 }; | 76 }; |
| 77 #endif | 77 #endif |
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