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1 /* | 1 /* |
2 * Copyright 2012 The Android Open Source Project | 2 * Copyright 2012 The Android Open Source Project |
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 | |
9 #ifndef SkMorphologyImageFilter_DEFINED | 8 #ifndef SkMorphologyImageFilter_DEFINED |
10 #define SkMorphologyImageFilter_DEFINED | 9 #define SkMorphologyImageFilter_DEFINED |
11 | 10 |
12 #include "SkColor.h" | 11 #include "SkColor.h" |
13 #include "SkImageFilter.h" | 12 #include "SkImageFilter.h" |
14 #include "SkSize.h" | 13 #include "SkSize.h" |
15 | 14 |
| 15 /////////////////////////////////////////////////////////////////////////////// |
16 class SK_API SkMorphologyImageFilter : public SkImageFilter { | 16 class SK_API SkMorphologyImageFilter : public SkImageFilter { |
17 public: | 17 public: |
18 SkRect computeFastBounds(const SkRect& src) const override; | 18 SkRect computeFastBounds(const SkRect& src) const override; |
19 SkIRect onFilterNodeBounds(const SkIRect& src, const SkMatrix&, MapDirection
) const override; | 19 SkIRect onFilterNodeBounds(const SkIRect& src, const SkMatrix&, MapDirection
) const override; |
20 | 20 |
21 /** | 21 /** |
22 * All morphology procs have the same signature: src is the source buffer, d
st the | 22 * All morphology procs have the same signature: src is the source buffer, d
st the |
23 * destination buffer, radius is the morphology radius, width and height are
the bounds | 23 * destination buffer, radius is the morphology radius, width and height are
the bounds |
24 * of the destination buffer (in pixels), and srcStride and dstStride are th
e | 24 * of the destination buffer (in pixels), and srcStride and dstStride are th
e |
25 * number of pixels per row in each buffer. All buffers are 8888. | 25 * number of pixels per row in each buffer. All buffers are 8888. |
26 */ | 26 */ |
27 | 27 |
28 typedef void (*Proc)(const SkPMColor* src, SkPMColor* dst, int radius, | 28 typedef void (*Proc)(const SkPMColor* src, SkPMColor* dst, int radius, |
29 int width, int height, int srcStride, int dstStride); | 29 int width, int height, int srcStride, int dstStride); |
30 | 30 |
31 protected: | 31 protected: |
32 SkMorphologyImageFilter(int radiusX, int radiusY, SkImageFilter* input, | 32 SkMorphologyImageFilter(int radiusX, int radiusY, SkImageFilter* input, |
33 const CropRect* cropRect); | 33 const CropRect* cropRect); |
34 bool filterImageGeneric(Proc procX, Proc procY, | 34 sk_sp<SkSpecialImage> filterImageGeneric(bool dilate, |
35 Proxy*, const SkBitmap& src, const Context&, | 35 SkSpecialImage* source, |
36 SkBitmap* result, SkIPoint* offset) const; | 36 const Context&, |
| 37 SkIPoint* offset) const; |
37 void flatten(SkWriteBuffer&) const override; | 38 void flatten(SkWriteBuffer&) const override; |
38 #if SK_SUPPORT_GPU | |
39 bool canFilterImageGPU() const override { return true; } | |
40 bool filterImageGPUGeneric(bool dilate, Proxy* proxy, const SkBitmap& src, | |
41 const Context& ctm, SkBitmap* result, | |
42 SkIPoint* offset) const; | |
43 #endif | |
44 | 39 |
45 SkISize radius() const { return fRadius; } | 40 SkISize radius() const { return fRadius; } |
46 | 41 |
47 private: | 42 private: |
48 SkISize fRadius; | 43 SkISize fRadius; |
49 typedef SkImageFilter INHERITED; | 44 typedef SkImageFilter INHERITED; |
50 }; | 45 }; |
51 | 46 |
| 47 /////////////////////////////////////////////////////////////////////////////// |
52 class SK_API SkDilateImageFilter : public SkMorphologyImageFilter { | 48 class SK_API SkDilateImageFilter : public SkMorphologyImageFilter { |
53 public: | 49 public: |
54 static SkImageFilter* Create(int radiusX, int radiusY, SkImageFilter* input
= NULL, | 50 static SkImageFilter* Create(int radiusX, int radiusY, |
55 const CropRect* cropRect = NULL) { | 51 SkImageFilter* input = nullptr, |
| 52 const CropRect* cropRect = nullptr) { |
56 if (radiusX < 0 || radiusY < 0) { | 53 if (radiusX < 0 || radiusY < 0) { |
57 return NULL; | 54 return nullptr; |
58 } | 55 } |
59 return new SkDilateImageFilter(radiusX, radiusY, input, cropRect); | 56 return new SkDilateImageFilter(radiusX, radiusY, input, cropRect); |
60 } | 57 } |
61 | 58 |
62 bool onFilterImageDeprecated(Proxy*, const SkBitmap& src, const Context&, | |
63 SkBitmap* result, SkIPoint* offset) const overr
ide; | |
64 | |
65 #if SK_SUPPORT_GPU | |
66 bool filterImageGPUDeprecated(Proxy* proxy, const SkBitmap& src, const Conte
xt&, | |
67 SkBitmap* result, SkIPoint* offset) const over
ride; | |
68 #endif | |
69 | |
70 SK_TO_STRING_OVERRIDE() | 59 SK_TO_STRING_OVERRIDE() |
71 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDilateImageFilter) | 60 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDilateImageFilter) |
72 | 61 |
| 62 protected: |
| 63 sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, |
| 64 SkIPoint* offset) const override; |
| 65 |
73 private: | 66 private: |
74 SkDilateImageFilter(int radiusX, int radiusY, SkImageFilter* input, const Cr
opRect* cropRect) | 67 SkDilateImageFilter(int radiusX, int radiusY, SkImageFilter* input, const Cr
opRect* cropRect) |
75 : INHERITED(radiusX, radiusY, input, cropRect) {} | 68 : INHERITED(radiusX, radiusY, input, cropRect) {} |
76 | 69 |
77 typedef SkMorphologyImageFilter INHERITED; | 70 typedef SkMorphologyImageFilter INHERITED; |
78 }; | 71 }; |
79 | 72 |
| 73 /////////////////////////////////////////////////////////////////////////////// |
80 class SK_API SkErodeImageFilter : public SkMorphologyImageFilter { | 74 class SK_API SkErodeImageFilter : public SkMorphologyImageFilter { |
81 public: | 75 public: |
82 static SkImageFilter* Create(int radiusX, int radiusY, | 76 static SkImageFilter* Create(int radiusX, int radiusY, |
83 SkImageFilter* input = NULL, | 77 SkImageFilter* input = nullptr, |
84 const CropRect* cropRect = NULL) { | 78 const CropRect* cropRect = nullptr) { |
85 if (radiusX < 0 || radiusY < 0) { | 79 if (radiusX < 0 || radiusY < 0) { |
86 return NULL; | 80 return nullptr; |
87 } | 81 } |
88 return new SkErodeImageFilter(radiusX, radiusY, input, cropRect); | 82 return new SkErodeImageFilter(radiusX, radiusY, input, cropRect); |
89 } | 83 } |
90 | 84 |
91 bool onFilterImageDeprecated(Proxy*, const SkBitmap& src, const Context&, | |
92 SkBitmap* result, SkIPoint* offset) const overr
ide; | |
93 | |
94 #if SK_SUPPORT_GPU | |
95 bool filterImageGPUDeprecated(Proxy* proxy, const SkBitmap& src, const Conte
xt&, | |
96 SkBitmap* result, SkIPoint* offset) const over
ride; | |
97 #endif | |
98 | |
99 SK_TO_STRING_OVERRIDE() | 85 SK_TO_STRING_OVERRIDE() |
100 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkErodeImageFilter) | 86 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkErodeImageFilter) |
101 | 87 |
| 88 protected: |
| 89 sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, |
| 90 SkIPoint* offset) const override; |
| 91 |
102 private: | 92 private: |
103 SkErodeImageFilter(int radiusX, int radiusY, SkImageFilter* input, const Cro
pRect* cropRect) | 93 SkErodeImageFilter(int radiusX, int radiusY, SkImageFilter* input, const Cro
pRect* cropRect) |
104 : INHERITED(radiusX, radiusY, input, cropRect) {} | 94 : INHERITED(radiusX, radiusY, input, cropRect) {} |
105 | 95 |
106 typedef SkMorphologyImageFilter INHERITED; | 96 typedef SkMorphologyImageFilter INHERITED; |
107 }; | 97 }; |
108 | 98 |
109 #endif | 99 #endif |
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