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| 1 /* | |
| 2 * Copyright (C) 2012 Adobe Systems Incorporated. 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 | |
| 9 * copyright notice, this list of conditions and the following | |
| 10 * disclaimer. | |
| 11 * 2. Redistributions in binary form must reproduce the above | |
| 12 * copyright notice, this list of conditions and the following | |
| 13 * disclaimer in the documentation and/or other materials | |
| 14 * provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | |
| 21 * 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 | |
| 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
| 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | |
| 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 27 * SUCH DAMAGE. | |
| 28 */ | |
| 29 | |
| 30 #ifndef ClipPathOperation_h | |
| 31 #define ClipPathOperation_h | |
| 32 | |
| 33 #include "core/style/BasicShapes.h" | |
| 34 #include "platform/graphics/Path.h" | |
| 35 #include "wtf/PtrUtil.h" | |
| 36 #include "wtf/RefCounted.h" | |
| 37 #include "wtf/text/WTFString.h" | |
| 38 #include <memory> | |
| 39 | |
| 40 namespace blink { | |
| 41 | |
| 42 class ClipPathOperation : public RefCounted<ClipPathOperation> { | |
| 43 public: | |
| 44 enum OperationType { | |
| 45 REFERENCE, | |
| 46 SHAPE | |
| 47 }; | |
| 48 | |
| 49 virtual ~ClipPathOperation() { } | |
| 50 | |
| 51 virtual bool operator==(const ClipPathOperation&) const = 0; | |
| 52 bool operator!=(const ClipPathOperation& o) const { return !(*this == o); } | |
| 53 | |
| 54 OperationType type() const { return m_type; } | |
| 55 bool isSameType(const ClipPathOperation& o) const { return o.type() == m_typ
e; } | |
| 56 | |
| 57 protected: | |
| 58 ClipPathOperation(OperationType type) | |
| 59 : m_type(type) | |
| 60 { | |
| 61 } | |
| 62 | |
| 63 OperationType m_type; | |
| 64 }; | |
| 65 | |
| 66 class ReferenceClipPathOperation final : public ClipPathOperation { | |
| 67 public: | |
| 68 static PassRefPtr<ReferenceClipPathOperation> create(const String& url, cons
t AtomicString& fragment) | |
| 69 { | |
| 70 return adoptRef(new ReferenceClipPathOperation(url, fragment)); | |
| 71 } | |
| 72 | |
| 73 const String& url() const { return m_url; } | |
| 74 const AtomicString& fragment() const { return m_fragment; } | |
| 75 | |
| 76 private: | |
| 77 bool operator==(const ClipPathOperation& o) const override | |
| 78 { | |
| 79 return isSameType(o) && m_url == static_cast<const ReferenceClipPathOper
ation&>(o).m_url; | |
| 80 } | |
| 81 | |
| 82 ReferenceClipPathOperation(const String& url, const AtomicString& fragment) | |
| 83 : ClipPathOperation(REFERENCE) | |
| 84 , m_url(url) | |
| 85 , m_fragment(fragment) | |
| 86 { | |
| 87 } | |
| 88 | |
| 89 String m_url; | |
| 90 AtomicString m_fragment; | |
| 91 }; | |
| 92 | |
| 93 DEFINE_TYPE_CASTS(ReferenceClipPathOperation, ClipPathOperation, op, op->type()
== ClipPathOperation::REFERENCE, op.type() == ClipPathOperation::REFERENCE); | |
| 94 | |
| 95 class ShapeClipPathOperation final : public ClipPathOperation { | |
| 96 public: | |
| 97 static PassRefPtr<ShapeClipPathOperation> create(PassRefPtr<BasicShape> shap
e) | |
| 98 { | |
| 99 return adoptRef(new ShapeClipPathOperation(shape)); | |
| 100 } | |
| 101 | |
| 102 const BasicShape* basicShape() const { return m_shape.get(); } | |
| 103 bool isValid() const { return m_shape.get(); } | |
| 104 const Path& path(const FloatRect& boundingRect) | |
| 105 { | |
| 106 ASSERT(m_shape); | |
| 107 m_path.reset(); | |
| 108 m_path = wrapUnique(new Path); | |
| 109 m_shape->path(*m_path, boundingRect); | |
| 110 m_path->setWindRule(m_shape->getWindRule()); | |
| 111 return *m_path; | |
| 112 } | |
| 113 | |
| 114 private: | |
| 115 bool operator==(const ClipPathOperation&) const override; | |
| 116 | |
| 117 ShapeClipPathOperation(PassRefPtr<BasicShape> shape) | |
| 118 : ClipPathOperation(SHAPE) | |
| 119 , m_shape(shape) | |
| 120 { | |
| 121 } | |
| 122 | |
| 123 RefPtr<BasicShape> m_shape; | |
| 124 std::unique_ptr<Path> m_path; | |
| 125 }; | |
| 126 | |
| 127 DEFINE_TYPE_CASTS(ShapeClipPathOperation, ClipPathOperation, op, op->type() == C
lipPathOperation::SHAPE, op.type() == ClipPathOperation::SHAPE); | |
| 128 | |
| 129 inline bool ShapeClipPathOperation::operator==(const ClipPathOperation& o) const | |
| 130 { | |
| 131 if (!isSameType(o)) | |
| 132 return false; | |
| 133 BasicShape* otherShape = toShapeClipPathOperation(o).m_shape.get(); | |
| 134 if (!m_shape.get() || !otherShape) | |
| 135 return static_cast<bool>(m_shape.get()) == static_cast<bool>(otherShape)
; | |
| 136 return *m_shape == *otherShape; | |
| 137 } | |
| 138 | |
| 139 } // namespace blink | |
| 140 | |
| 141 #endif // ClipPathOperation_h | |
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Chromium Code Reviews
Issue 2108213002:
Move ClipPathOperation.h to core/style/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master