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| 1 /* |
| 2 * Copyright 2015 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 SkImageSource_DEFINED |
| 9 #define SkImageSource_DEFINED |
| 10 |
| 11 #include "SkImageFilter.h" |
| 12 |
| 13 class SkImage; |
| 14 |
| 15 class SK_API SkImageSource : public SkImageFilter { |
| 16 public: |
| 17 static SkImageFilter* Create(const SkImage*); |
| 18 static SkImageFilter* Create(const SkImage*, |
| 19 const SkRect& srcRect, |
| 20 const SkRect& dstRect, |
| 21 SkFilterQuality); |
| 22 |
| 23 void computeFastBounds(const SkRect& src, SkRect* dst) const override; |
| 24 |
| 25 SK_TO_STRING_OVERRIDE() |
| 26 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkImageSource) |
| 27 |
| 28 protected: |
| 29 void flatten(SkWriteBuffer&) const override; |
| 30 |
| 31 bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
| 32 SkBitmap* result, SkIPoint* offset) const override; |
| 33 |
| 34 private: |
| 35 explicit SkImageSource(const SkImage*); |
| 36 SkImageSource(const SkImage*, |
| 37 const SkRect& srcRect, |
| 38 const SkRect& dstRect, |
| 39 SkFilterQuality); |
| 40 |
| 41 SkAutoTUnref<const SkImage> fImage; |
| 42 SkRect fSrcRect, fDstRect; |
| 43 SkFilterQuality fFilterQuality; |
| 44 |
| 45 typedef SkImageFilter INHERITED; |
| 46 }; |
| 47 |
| 48 #endif |
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