1 | /* |
2 | * Copyright (C) 2011-2017 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 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 | #pragma once |
27 | |
28 | #include "FilterOperation.h" |
29 | #include "IntRectExtent.h" |
30 | #include <wtf/RefPtr.h> |
31 | #include <wtf/Vector.h> |
32 | |
33 | namespace WebCore { |
34 | |
35 | using FilterOutsets = IntRectExtent; |
36 | |
37 | class FilterOperations { |
38 | WTF_MAKE_FAST_ALLOCATED; |
39 | public: |
40 | bool operator==(const FilterOperations&) const; |
41 | bool operator!=(const FilterOperations& other) const { return !(*this == other); } |
42 | |
43 | void clear() { m_operations.clear(); } |
44 | |
45 | Vector<RefPtr<FilterOperation>>& operations() { return m_operations; } |
46 | const Vector<RefPtr<FilterOperation>>& operations() const { return m_operations; } |
47 | |
48 | bool isEmpty() const { return m_operations.isEmpty(); } |
49 | size_t size() const { return m_operations.size(); } |
50 | const FilterOperation* at(size_t index) const { return index < m_operations.size() ? m_operations[index].get() : nullptr; } |
51 | |
52 | bool operationsMatch(const FilterOperations&) const; |
53 | |
54 | bool hasOutsets() const; |
55 | FilterOutsets outsets() const; |
56 | |
57 | bool hasFilterThatAffectsOpacity() const; |
58 | bool hasFilterThatMovesPixels() const; |
59 | bool hasFilterThatShouldBeRestrictedBySecurityOrigin() const; |
60 | |
61 | bool hasReferenceFilter() const; |
62 | |
63 | bool transformColor(Color&) const; |
64 | bool inverseTransformColor(Color&) const; |
65 | |
66 | private: |
67 | Vector<RefPtr<FilterOperation>> m_operations; |
68 | }; |
69 | |
70 | WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, const FilterOperations&); |
71 | |
72 | } // namespace WebCore |
73 | |