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1 /* | |
2 * Copyright (C) 2011 Apple Inc. | |
3 * Copyright (C) 2010 Sencha, Inc. | |
4 * Copyright (C) 2010 Igalia S.L. | |
5 * All rights reserved. | |
6 * | |
7 * Redistribution and use in source and binary forms, with or without | |
8 * modification, are permitted provided that the following conditions | |
9 * are met: | |
10 * 1. Redistributions of source code must retain the above copyright | |
11 * notice, this list of conditions and the following disclaimer. | |
12 * 2. Redistributions in binary form must reproduce the above copyright | |
13 * notice, this list of conditions and the following disclaimer in the | |
14 * documentation and/or other materials provided with the distribution. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 */ | |
28 | |
29 #ifndef ShadowBlur_h | |
30 #define ShadowBlur_h | |
31 | |
32 #include "core/platform/graphics/Color.h" | |
33 #include "platform/geometry/FloatSize.h" | |
34 | |
35 #include "wtf/Noncopyable.h" | |
36 | |
37 namespace WebCore { | |
38 | |
39 class ShadowBlur { | |
40 WTF_MAKE_NONCOPYABLE(ShadowBlur); | |
41 public: | |
42 enum ShadowType { | |
43 NoShadow, | |
44 SolidShadow, | |
45 BlurShadow | |
46 }; | |
47 | |
48 ShadowBlur(const FloatSize& radius, const FloatSize& offset, const Color&); | |
49 | |
50 void blurLayerImage(unsigned char*, const IntSize&, int stride); | |
51 | |
52 private: | |
53 void updateShadowBlurValues(); | |
54 | |
55 ShadowType m_type; | |
56 | |
57 Color m_color; | |
58 FloatSize m_blurRadius; | |
59 FloatSize m_offset; | |
60 | |
61 bool m_shadowsIgnoreTransforms; | |
62 }; | |
63 | |
64 } // namespace WebCore | |
65 | |
66 #endif // ShadowBlur_h | |
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