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| 1 /* |
| 2 * Copyright 2013 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #ifndef SkDecodingImageGenerator_DEFINED |
| 9 #define SkDecodingImageGenerator_DEFINED |
| 10 |
| 11 #include "SkImageGenerator.h" |
| 12 |
| 13 class SkBitmap; |
| 14 |
| 15 /** |
| 16 * Calls into SkImageDecoder::DecodeMemoryToTarget to implement a |
| 17 * SkImageGenerator |
| 18 */ |
| 19 class SkDecodingImageGenerator : public SkImageGenerator { |
| 20 public: |
| 21 /* |
| 22 * The constructor will take a reference to the SkData. The |
| 23 * destructor will unref() it. |
| 24 */ |
| 25 SkDecodingImageGenerator(SkData* data); |
| 26 virtual ~SkDecodingImageGenerator(); |
| 27 |
| 28 virtual SkData* refEncodedData() SK_OVERRIDE; |
| 29 |
| 30 virtual bool getInfo(SkImageInfo* info) SK_OVERRIDE; |
| 31 |
| 32 virtual bool getPixels(const SkImageInfo& info, |
| 33 void* pixels, |
| 34 size_t rowBytes) SK_OVERRIDE; |
| 35 |
| 36 /** |
| 37 * Install the SkData into the destination bitmap, using a new |
| 38 * SkDiscardablePixelRef and a new SkDecodingImageGenerator. |
| 39 */ |
| 40 static bool Install(SkData* data, SkBitmap* destination); |
| 41 |
| 42 private: |
| 43 SkData* fData; |
| 44 }; |
| 45 #endif // SkDecodingImageGenerator_DEFINED |
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