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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 COMPUTER, 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 FilterOperations_h | |
| 27 #define FilterOperations_h | |
| 28 | |
| 29 #include "platform/PlatformExport.h" | |
| 30 #include "platform/geometry/IntRectOutsets.h" | |
| 31 #include "platform/graphics/filters/FilterOperation.h" | |
| 32 #include "wtf/RefPtr.h" | |
| 33 #include "wtf/Vector.h" | |
| 34 | |
| 35 namespace blink { | |
| 36 | |
| 37 class PLATFORM_EXPORT FilterOperations { | |
| 38 DISALLOW_NEW(); | |
| 39 public: | |
| 40 FilterOperations(); | |
| 41 FilterOperations(const FilterOperations& other) { *this = other; } | |
| 42 | |
| 43 FilterOperations& operator=(const FilterOperations&); | |
| 44 | |
| 45 bool operator==(const FilterOperations&) const; | |
| 46 bool operator!=(const FilterOperations& o) const | |
| 47 { | |
| 48 return !(*this == o); | |
| 49 } | |
| 50 | |
| 51 void clear() | |
| 52 { | |
| 53 m_operations.clear(); | |
| 54 } | |
| 55 | |
| 56 typedef HeapVector<Member<FilterOperation>> FilterOperationVector; | |
| 57 | |
| 58 FilterOperationVector& operations() { return m_operations; } | |
| 59 const FilterOperationVector& operations() const { return m_operations; } | |
| 60 | |
| 61 bool isEmpty() const { return !m_operations.size(); } | |
| 62 size_t size() const { return m_operations.size(); } | |
| 63 const FilterOperation* at(size_t index) const { return index < m_operations.
size() ? m_operations.at(index).get() : 0; } | |
| 64 | |
| 65 bool canInterpolateWith(const FilterOperations&) const; | |
| 66 | |
| 67 // Maps "forward" to determine which pixels in a destination rect are | |
| 68 // affected by pixels in the source rect. | |
| 69 // See also FilterEffect::mapRect. | |
| 70 FloatRect mapRect(const FloatRect&) const; | |
| 71 | |
| 72 bool hasFilterThatAffectsOpacity() const; | |
| 73 bool hasFilterThatMovesPixels() const; | |
| 74 | |
| 75 bool hasReferenceFilter() const; | |
| 76 | |
| 77 DECLARE_TRACE(); | |
| 78 | |
| 79 private: | |
| 80 FilterOperationVector m_operations; | |
| 81 }; | |
| 82 | |
| 83 // Wrapper object for the FilterOperations part object. | |
| 84 class FilterOperationsWrapper : public GarbageCollected<FilterOperationsWrapper>
{ | |
| 85 public: | |
| 86 static FilterOperationsWrapper* create() | |
| 87 { | |
| 88 return new FilterOperationsWrapper(); | |
| 89 } | |
| 90 | |
| 91 static FilterOperationsWrapper* create(const FilterOperations& operations) | |
| 92 { | |
| 93 return new FilterOperationsWrapper(operations); | |
| 94 } | |
| 95 | |
| 96 const FilterOperations& operations() const { return m_operations; } | |
| 97 | |
| 98 DEFINE_INLINE_TRACE() { visitor->trace(m_operations); } | |
| 99 | |
| 100 private: | |
| 101 FilterOperationsWrapper() | |
| 102 { | |
| 103 } | |
| 104 | |
| 105 explicit FilterOperationsWrapper(const FilterOperations& operations) | |
| 106 : m_operations(operations) | |
| 107 { | |
| 108 } | |
| 109 | |
| 110 FilterOperations m_operations; | |
| 111 }; | |
| 112 | |
| 113 } // namespace blink | |
| 114 | |
| 115 | |
| 116 #endif // FilterOperations_h | |
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Chromium Code Reviews
Issue 2375453002:
Move FilterOperation*.{cpp,h} to core/style/ (Closed)
