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1 /* | 1 /* |
2 * Copyright 2013 The Android Open Source Project | 2 * Copyright 2013 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 #ifndef SkBicubicImageFilter_DEFINED | 8 #ifndef SkBicubicImageFilter_DEFINED |
9 #define SkBicubicImageFilter_DEFINED | 9 #define SkBicubicImageFilter_DEFINED |
10 | 10 |
11 #include "SkImageFilter.h" | 11 #include "SkImageFilter.h" |
12 #include "SkScalar.h" | 12 #include "SkScalar.h" |
13 #include "SkSize.h" | 13 #include "SkSize.h" |
14 #include "SkPoint.h" | 14 #include "SkPoint.h" |
15 | 15 |
16 /*! \class SkBicubicImageFilter | 16 /*! \class SkBicubicImageFilter |
17 Bicubic resampling image filter. This filter does a 16-tap bicubic | 17 Bicubic resampling image filter. This filter does a 16-tap bicubic |
18 filter using the given matrix. | 18 filter using the given matrix. |
19 */ | 19 */ |
20 | 20 |
21 class SK_API SkBicubicImageFilter : public SkImageFilter { | 21 class SK_API SkBicubicImageFilter : public SkImageFilter { |
| 22 typedef SkImageFilter INHERITED; |
| 23 |
22 public: | 24 public: |
23 /** Construct a (scaling-only) bicubic resampling image filter. | 25 /** Construct a (scaling-only) bicubic resampling image filter. |
24 @param scale How much to scale the image. | 26 @param scale How much to scale the image. |
25 @param coefficients The 16 coefficients of the bicubic matrix. | 27 @param coefficients The 16 coefficients of the bicubic matrix. |
26 @param input The input image filter. If NULL, the src bitmap | 28 @param input The input image filter. If NULL, the src bitmap |
27 passed to filterImage() is used instead. | 29 passed to filterImage() is used instead. |
28 */ | 30 */ |
29 | 31 |
30 SkBicubicImageFilter(const SkSize& scale, const SkScalar coefficients[16], | 32 SkBicubicImageFilter(const SkSize& scale, const SkScalar coefficients[16], |
31 SkImageFilter* input = NULL); | 33 SkImageFilter* input = NULL); |
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43 | 45 |
44 #if SK_SUPPORT_GPU | 46 #if SK_SUPPORT_GPU |
45 virtual bool canFilterImageGPU() const SK_OVERRIDE { return true; } | 47 virtual bool canFilterImageGPU() const SK_OVERRIDE { return true; } |
46 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatri
x& ctm, | 48 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatri
x& ctm, |
47 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; | 49 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; |
48 #endif | 50 #endif |
49 | 51 |
50 private: | 52 private: |
51 SkSize fScale; | 53 SkSize fScale; |
52 SkScalar fCoefficients[16]; | 54 SkScalar fCoefficients[16]; |
53 typedef SkImageFilter INHERITED; | |
54 }; | 55 }; |
55 | 56 |
56 #endif | 57 #endif |
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