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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 SkRectShaderImageFilter_DEFINED | |
9 #define SkRectShaderImageFilter_DEFINED | |
10 | |
11 #include "SkImageFilter.h" | |
12 #include "SkRect.h" | |
13 | |
14 class SkShader; | |
15 | |
16 class SK_API SkRectShaderImageFilter : public SkImageFilter { | |
17 public: | |
18 /** Create a new image filter which fills the given rectangle with pixels | |
19 * produced by the given SkShader. If no rectangle is specified, an output | |
20 * is produced with the same bounds as the input primitive (even though | |
21 * the input primitive's pixels are not used for processing). | |
22 * @param s Shader to call for processing. Cannot be NULL. Will be | |
23 * ref'ed by the new image filter. | |
24 * @param rect Rectangle of output pixels in which to apply the shader. | |
25 * If NULL or a given crop edge is not specified, the source | |
26 * primitive's bounds are used instead. | |
27 */ | |
28 SK_ATTR_DEPRECATED("use Create(SkShader*, const CropRect*)") | |
29 static SkImageFilter* Create(SkShader* s, const SkRect& rect); | |
30 static SkImageFilter* Create(SkShader* s, const CropRect* rect = NULL); | |
31 | |
32 bool canComputeFastBounds() const override; | |
33 | |
34 SK_TO_STRING_OVERRIDE() | |
35 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkRectShaderImageFilter) | |
36 | |
37 protected: | |
38 virtual ~SkRectShaderImageFilter(); | |
39 | |
40 void flatten(SkWriteBuffer&) const override; | |
41 bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, SkBitmap* re
sult, | |
42 SkIPoint* loc) const override; | |
43 | |
44 private: | |
45 SkRectShaderImageFilter(SkShader* s, const CropRect* rect); | |
46 | |
47 SkShader* fShader; | |
48 | |
49 typedef SkImageFilter INHERITED; | |
50 }; | |
51 | |
52 #endif | |
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