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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 SkDisplacementMapEffect_DEFINED | 8 #ifndef SkDisplacementMapEffect_DEFINED |
9 #define SkDisplacementMapEffect_DEFINED | 9 #define SkDisplacementMapEffect_DEFINED |
10 | 10 |
11 #include "SkImageFilter.h" | 11 #include "SkImageFilter.h" |
12 #include "SkBitmap.h" | 12 #include "SkBitmap.h" |
13 | 13 |
14 class SK_API SkDisplacementMapEffect : public SkImageFilter { | 14 class SK_API SkDisplacementMapEffect : public SkImageFilter { |
15 public: | 15 public: |
16 enum ChannelSelectorType { | 16 enum ChannelSelectorType { |
17 kUnknown_ChannelSelectorType, | 17 kUnknown_ChannelSelectorType, |
18 kR_ChannelSelectorType, | 18 kR_ChannelSelectorType, |
19 kG_ChannelSelectorType, | 19 kG_ChannelSelectorType, |
20 kB_ChannelSelectorType, | 20 kB_ChannelSelectorType, |
21 kA_ChannelSelectorType | 21 kA_ChannelSelectorType |
22 }; | 22 }; |
23 | 23 |
24 ~SkDisplacementMapEffect(); | 24 ~SkDisplacementMapEffect(); |
25 | 25 |
26 static SkDisplacementMapEffect* Create(ChannelSelectorType xChannelSelector, | 26 static SkDisplacementMapEffect* Create(ChannelSelectorType xChannelSelector, |
27 ChannelSelectorType yChannelSelector, | 27 ChannelSelectorType yChannelSelector, |
28 SkScalar scale, SkImageFilter* displa
cement, | 28 SkScalar scale, SkImageFilter* displa
cement, |
29 SkImageFilter* color = NULL, | 29 SkImageFilter* color = NULL, |
30 const CropRect* cropRect = NULL); | 30 const CropRect* cropRect = NULL, |
| 31 uint32_t uniqueID = 0); |
31 | 32 |
32 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDisplacementMapEffect) | 33 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDisplacementMapEffect) |
33 | 34 |
34 virtual bool onFilterImage(Proxy* proxy, | 35 virtual bool onFilterImage(Proxy* proxy, |
35 const SkBitmap& src, | 36 const SkBitmap& src, |
36 const Context& ctx, | 37 const Context& ctx, |
37 SkBitmap* dst, | 38 SkBitmap* dst, |
38 SkIPoint* offset) const SK_OVERRIDE; | 39 SkIPoint* offset) const SK_OVERRIDE; |
39 virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVER
RIDE; | 40 virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVER
RIDE; |
40 | 41 |
41 virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, | 42 virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, |
42 SkIRect* dst) const SK_OVERRIDE; | 43 SkIRect* dst) const SK_OVERRIDE; |
43 | 44 |
44 #if SK_SUPPORT_GPU | 45 #if SK_SUPPORT_GPU |
45 virtual bool canFilterImageGPU() const SK_OVERRIDE { return true; } | 46 virtual bool canFilterImageGPU() const SK_OVERRIDE { return true; } |
46 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context
& ctx, | 47 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context
& ctx, |
47 SkBitmap* result, SkIPoint* offset) const SK_OVE
RRIDE; | 48 SkBitmap* result, SkIPoint* offset) const SK_OVE
RRIDE; |
48 #endif | 49 #endif |
49 | 50 |
50 protected: | 51 protected: |
51 SkDisplacementMapEffect(ChannelSelectorType xChannelSelector, | 52 SkDisplacementMapEffect(ChannelSelectorType xChannelSelector, |
52 ChannelSelectorType yChannelSelector, | 53 ChannelSelectorType yChannelSelector, |
53 SkScalar scale, SkImageFilter* inputs[2], | 54 SkScalar scale, SkImageFilter* inputs[2], |
54 const CropRect* cropRect); | 55 const CropRect* cropRect, |
| 56 uint32_t uniqueID); |
55 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING | 57 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
56 explicit SkDisplacementMapEffect(SkReadBuffer& buffer); | 58 explicit SkDisplacementMapEffect(SkReadBuffer& buffer); |
57 #endif | 59 #endif |
58 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 60 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
59 | 61 |
60 private: | 62 private: |
61 ChannelSelectorType fXChannelSelector; | 63 ChannelSelectorType fXChannelSelector; |
62 ChannelSelectorType fYChannelSelector; | 64 ChannelSelectorType fYChannelSelector; |
63 SkScalar fScale; | 65 SkScalar fScale; |
64 typedef SkImageFilter INHERITED; | 66 typedef SkImageFilter INHERITED; |
65 const SkImageFilter* getDisplacementInput() const { return getInput(0); } | 67 const SkImageFilter* getDisplacementInput() const { return getInput(0); } |
66 const SkImageFilter* getColorInput() const { return getInput(1); } | 68 const SkImageFilter* getColorInput() const { return getInput(1); } |
67 }; | 69 }; |
68 | 70 |
69 #endif | 71 #endif |
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