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1 /* | |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef WebFilterOperations_h | |
27 #define WebFilterOperations_h | |
28 | |
29 #include "SkImageFilter.h" | |
30 #include "SkScalar.h" | |
31 #include "WebColor.h" | |
32 #include "WebPoint.h" | |
33 | |
34 namespace blink { | |
35 | |
36 // An ordered list of filter operations. | |
37 class WebFilterOperations { | |
38 public: | |
39 virtual ~WebFilterOperations() { } | |
40 | |
41 virtual void appendGrayscaleFilter(float amount) = 0; | |
42 virtual void appendSepiaFilter(float amount) = 0; | |
43 virtual void appendSaturateFilter(float amount) = 0; | |
44 virtual void appendHueRotateFilter(float amount) = 0; | |
45 virtual void appendInvertFilter(float amount) = 0; | |
46 virtual void appendBrightnessFilter(float amount) = 0; | |
47 virtual void appendContrastFilter(float amount) = 0; | |
48 virtual void appendOpacityFilter(float amount)= 0; | |
49 virtual void appendBlurFilter(float amount) = 0; | |
50 virtual void appendDropShadowFilter(WebPoint offset, float stdDeviation, Web
Color) = 0; | |
51 virtual void appendColorMatrixFilter(SkScalar matrix[20]) = 0; | |
52 virtual void appendZoomFilter(float amount, int inset) = 0; | |
53 virtual void appendSaturatingBrightnessFilter(float amount) = 0; | |
54 | |
55 // This grabs a ref on the passed-in filter. | |
56 virtual void appendReferenceFilter(SkImageFilter*) = 0; | |
57 | |
58 virtual void clear() = 0; | |
59 virtual bool isEmpty() const = 0; | |
60 }; | |
61 | |
62 } // namespace blink | |
63 | |
64 #endif // WebFilterOperations_h | |
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