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1 /* | |
2 * Copyright (C) 2011 Apple 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 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef FilterEffectRenderer_h | |
27 #define FilterEffectRenderer_h | |
28 | |
29 #include "platform/graphics/filters/FilterEffect.h" | |
30 #include "platform/heap/Handle.h" | |
31 #include "wtf/PassRefPtr.h" | |
32 #include "wtf/RefCounted.h" | |
33 #include "wtf/RefPtr.h" | |
34 #include "wtf/Vector.h" | |
35 | |
36 namespace blink { | |
37 | |
38 class FilterOperations; | |
39 class ReferenceFilter; | |
40 class LayoutObject; | |
41 | |
42 class FilterEffectRenderer final : public RefCountedWillBeGarbageCollectedFinali
zed<FilterEffectRenderer> { | |
43 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(FilterEffectRenderer); | |
44 public: | |
45 static PassRefPtrWillBeRawPtr<FilterEffectRenderer> create() | |
46 { | |
47 return adoptRefWillBeNoop(new FilterEffectRenderer()); | |
48 } | |
49 | |
50 virtual ~FilterEffectRenderer(); | |
51 DECLARE_TRACE(); | |
52 | |
53 bool build(LayoutObject* renderer, const FilterOperations&); | |
54 void clearIntermediateResults(); | |
55 | |
56 PassRefPtrWillBeRawPtr<FilterEffect> lastEffect() const | |
57 { | |
58 return m_lastEffect; | |
59 } | |
60 | |
61 private: | |
62 FilterEffectRenderer(); | |
63 | |
64 RefPtrWillBeMember<FilterEffect> m_lastEffect; | |
65 WillBeHeapVector<RefPtrWillBeMember<ReferenceFilter>> m_referenceFilters; | |
66 }; | |
67 | |
68 } // namespace blink | |
69 | |
70 #endif // FilterEffectRenderer_h | |
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