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Side by Side Diff: Source/platform/geometry/Region.h

Issue 27123002: Move Region.cpp/.h to platform/ (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: rebase, address feedback Created 7 years, 2 months ago
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1 /* 1 /*
2 * Copyright (C) 2010, 2011 Apple Inc. All rights reserved. 2 * Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution. 11 * documentation and/or other materials provided with the distribution.
12 * 12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE. 23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */ 24 */
25 25
26 #ifndef Region_h 26 #ifndef Region_h
27 #define Region_h 27 #define Region_h
28 28
29 #include "platform/PlatformExport.h"
29 #include "platform/geometry/IntRect.h" 30 #include "platform/geometry/IntRect.h"
30 #include "wtf/Vector.h" 31 #include "wtf/Vector.h"
31 32
32 namespace WebCore { 33 namespace WebCore {
33 34
34 class Region { 35 class PLATFORM_EXPORT Region {
35 public: 36 public:
36 Region(); 37 Region();
37 Region(const IntRect&); 38 Region(const IntRect&);
38 39
39 IntRect bounds() const { return m_bounds; } 40 IntRect bounds() const { return m_bounds; }
40 bool isEmpty() const { return m_bounds.isEmpty(); } 41 bool isEmpty() const { return m_bounds.isEmpty(); }
41 bool isRect() const { return m_shape.isRect(); } 42 bool isRect() const { return m_shape.isRect(); }
42 43
43 Vector<IntRect> rects() const; 44 Vector<IntRect> rects() const;
44 45
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
76 class Shape { 77 class Shape {
77 public: 78 public:
78 Shape(); 79 Shape();
79 Shape(const IntRect&); 80 Shape(const IntRect&);
80 81
81 IntRect bounds() const; 82 IntRect bounds() const;
82 bool isEmpty() const { return m_spans.isEmpty(); } 83 bool isEmpty() const { return m_spans.isEmpty(); }
83 bool isRect() const { return m_spans.size() <= 2 && m_segments.size() <= 2; } 84 bool isRect() const { return m_spans.size() <= 2 && m_segments.size() <= 2; }
84 85
85 typedef const Span* SpanIterator; 86 typedef const Span* SpanIterator;
86 SpanIterator spans_begin() const; 87 SpanIterator spansBegin() const;
87 SpanIterator spans_end() const; 88 SpanIterator spansEnd() const;
88 89
89 typedef const int* SegmentIterator; 90 typedef const int* SegmentIterator;
90 SegmentIterator segments_begin(SpanIterator) const; 91 SegmentIterator segmentsBegin(SpanIterator) const;
91 SegmentIterator segments_end(SpanIterator) const; 92 SegmentIterator segmentsEnd(SpanIterator) const;
92 93
93 static Shape unionShapes(const Shape& shape1, const Shape& shape2); 94 static Shape unionShapes(const Shape& shape1, const Shape& shape2);
94 static Shape intersectShapes(const Shape& shape1, const Shape& shape2); 95 static Shape intersectShapes(const Shape& shape1, const Shape& shape2);
95 static Shape subtractShapes(const Shape& shape1, const Shape& shape2); 96 static Shape subtractShapes(const Shape& shape1, const Shape& shape2);
96 97
97 void translate(const IntSize&); 98 void translate(const IntSize&);
98 void swap(Shape&); 99 void swap(Shape&);
99 100
100 struct CompareContainsOperation; 101 struct CompareContainsOperation;
101 struct CompareIntersectsOperation; 102 struct CompareIntersectsOperation;
(...skipping 69 matching lines...) Expand 10 before | Expand all | Expand 10 after
171 } 172 }
172 173
173 inline bool operator==(const Region::Span& a, const Region::Span& b) 174 inline bool operator==(const Region::Span& a, const Region::Span& b)
174 { 175 {
175 return a.y == b.y && a.segmentIndex == b.segmentIndex; 176 return a.y == b.y && a.segmentIndex == b.segmentIndex;
176 } 177 }
177 178
178 } // namespace WebCore 179 } // namespace WebCore
179 180
180 #endif // Region_h 181 #endif // Region_h
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