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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 #include "SkColor.h" | 8 #include "SkColor.h" |
9 #include "SkImageFilter.h" | 9 #include "SkImageFilter.h" |
10 #include "SkScalar.h" | 10 #include "SkScalar.h" |
11 | 11 |
12 class SK_API SkDropShadowImageFilter : public SkImageFilter { | 12 class SK_API SkDropShadowImageFilter : public SkImageFilter { |
13 public: | 13 public: |
14 enum ShadowMode { | 14 enum ShadowMode { |
15 kDrawShadowAndForeground_ShadowMode, | 15 kDrawShadowAndForeground_ShadowMode, |
16 kDrawShadowOnly_ShadowMode, | 16 kDrawShadowOnly_ShadowMode, |
17 | 17 |
18 kLast_ShadowMode = kDrawShadowOnly_ShadowMode | 18 kLast_ShadowMode = kDrawShadowOnly_ShadowMode |
19 }; | 19 }; |
20 | 20 |
21 static const int kShadowModeCount = kLast_ShadowMode+1; | 21 static const int kShadowModeCount = kLast_ShadowMode+1; |
22 | 22 |
23 /** @deprecated use another Create function below instead */ | 23 /** @deprecated use another Create function below instead */ |
24 static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, | 24 static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, |
25 SkScalar sigmaX, SkScalar sigmaY, SkC
olor color, | 25 SkScalar sigmaX, SkScalar sigmaY, SkC
olor color, |
26 SkImageFilter* input = NULL, | 26 SkImageFilter* input = NULL, |
27 const CropRect* cropRect = NULL, | 27 const CropRect* cropRect = NULL) { |
28 uint32_t uniqueID = 0) { | |
29 return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigmaX, sigmaY, colo
r, | 28 return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigmaX, sigmaY, colo
r, |
30 kDrawShadowAndForeground_Sha
dowMode, | 29 kDrawShadowAndForeground_Sha
dowMode, |
31 input, cropRect, uniqueID)); | 30 input, cropRect)); |
32 } | 31 } |
33 | 32 |
34 static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, | 33 static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, |
35 SkScalar sigmaX, SkScalar sigmaY, SkC
olor color, | 34 SkScalar sigmaX, SkScalar sigmaY, SkC
olor color, |
36 ShadowMode shadowMode, | 35 ShadowMode shadowMode, |
37 SkImageFilter* input, | 36 SkImageFilter* input, |
38 const CropRect* cropRect, | 37 const CropRect* cropRect, |
39 uint32_t uniqueID) { | 38 uint32_t = 0) { |
40 return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigmaX, sigmaY, colo
r, | 39 return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigmaX, sigmaY, colo
r, |
41 shadowMode, input, cropRect,
uniqueID)); | 40 shadowMode, input, cropRect)
); |
42 } | 41 } |
43 | 42 |
44 static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, | 43 static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, |
45 SkScalar sigmaX, SkScalar sigmaY, SkC
olor color, | 44 SkScalar sigmaX, SkScalar sigmaY, SkC
olor color, |
46 ShadowMode shadowMode) { | 45 ShadowMode shadowMode) { |
47 return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigmaX, sigmaY, colo
r, | 46 return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigmaX, sigmaY, colo
r, |
48 shadowMode, NULL, NULL, 0)); | 47 shadowMode, NULL, NULL)); |
49 } | 48 } |
50 | 49 |
51 void computeFastBounds(const SkRect&, SkRect*) const SK_OVERRIDE; | 50 void computeFastBounds(const SkRect&, SkRect*) const SK_OVERRIDE; |
52 SK_TO_STRING_OVERRIDE() | 51 SK_TO_STRING_OVERRIDE() |
53 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDropShadowImageFilter) | 52 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDropShadowImageFilter) |
54 | 53 |
55 protected: | 54 protected: |
56 SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigmaX, SkScalar
sigmaY, SkColor, | 55 SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigmaX, SkScalar
sigmaY, SkColor, |
57 ShadowMode shadowMode, SkImageFilter* input, const C
ropRect* cropRect, | 56 ShadowMode shadowMode, SkImageFilter* input, const C
ropRect* cropRect); |
58 uint32_t uniqueID); | |
59 void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 57 void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
60 bool onFilterImage(Proxy*, const SkBitmap& source, const Context&, SkBitmap*
result, SkIPoint* loc) const SK_OVERRIDE; | 58 bool onFilterImage(Proxy*, const SkBitmap& source, const Context&, SkBitmap*
result, SkIPoint* loc) const SK_OVERRIDE; |
61 virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, | 59 virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, |
62 SkIRect* dst) const SK_OVERRIDE; | 60 SkIRect* dst) const SK_OVERRIDE; |
63 | 61 |
64 private: | 62 private: |
65 SkScalar fDx, fDy, fSigmaX, fSigmaY; | 63 SkScalar fDx, fDy, fSigmaX, fSigmaY; |
66 SkColor fColor; | 64 SkColor fColor; |
67 ShadowMode fShadowMode; | 65 ShadowMode fShadowMode; |
68 typedef SkImageFilter INHERITED; | 66 typedef SkImageFilter INHERITED; |
69 }; | 67 }; |
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