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Side by Side Diff: Source/platform/geometry/LayoutRect.cpp

Issue 25494003: Move geometry classes from core/platform/graphics to platform/geometry (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 2 months ago
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1 /* 1 /*
2 * Copyright (c) 2012, Google Inc. All rights reserved. 2 * Copyright (c) 2012, Google 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 are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
(...skipping 11 matching lines...) Expand all
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */ 29 */
30 30
31 #include "config.h" 31 #include "config.h"
32 #include "core/platform/graphics/LayoutRect.h" 32 #include "platform/geometry/LayoutRect.h"
33 33
34 #include "platform/LayoutUnit.h"
35 #include "platform/geometry/FloatRect.h"
34 #include <algorithm> 36 #include <algorithm>
35 #include "core/platform/graphics/FloatRect.h"
36 #include "platform/LayoutUnit.h"
37
38 using std::max;
39 using std::min;
40 37
41 namespace WebCore { 38 namespace WebCore {
42 39
43 LayoutRect::LayoutRect(const FloatRect& r) 40 LayoutRect::LayoutRect(const FloatRect& r)
44 : m_location(LayoutPoint(r.location())) 41 : m_location(LayoutPoint(r.location()))
45 , m_size(LayoutSize(r.size())) 42 , m_size(LayoutSize(r.size()))
46 { 43 {
47 } 44 }
48 45
49 bool LayoutRect::intersects(const LayoutRect& other) const 46 bool LayoutRect::intersects(const LayoutRect& other) const
50 { 47 {
51 // Checking emptiness handles negative widths as well as zero. 48 // Checking emptiness handles negative widths as well as zero.
52 return !isEmpty() && !other.isEmpty() 49 return !isEmpty() && !other.isEmpty()
53 && x() < other.maxX() && other.x() < maxX() 50 && x() < other.maxX() && other.x() < maxX()
54 && y() < other.maxY() && other.y() < maxY(); 51 && y() < other.maxY() && other.y() < maxY();
55 } 52 }
56 53
57 bool LayoutRect::contains(const LayoutRect& other) const 54 bool LayoutRect::contains(const LayoutRect& other) const
58 { 55 {
59 return x() <= other.x() && maxX() >= other.maxX() 56 return x() <= other.x() && maxX() >= other.maxX()
60 && y() <= other.y() && maxY() >= other.maxY(); 57 && y() <= other.y() && maxY() >= other.maxY();
61 } 58 }
62 59
63 void LayoutRect::intersect(const LayoutRect& other) 60 void LayoutRect::intersect(const LayoutRect& other)
64 { 61 {
65 LayoutPoint newLocation(max(x(), other.x()), max(y(), other.y())); 62 LayoutPoint newLocation(std::max(x(), other.x()), std::max(y(), other.y()));
66 LayoutPoint newMaxPoint(min(maxX(), other.maxX()), min(maxY(), other.maxY()) ); 63 LayoutPoint newMaxPoint(std::min(maxX(), other.maxX()), std::min(maxY(), oth er.maxY()));
67 64
68 // Return a clean empty rectangle for non-intersecting cases. 65 // Return a clean empty rectangle for non-intersecting cases.
69 if (newLocation.x() >= newMaxPoint.x() || newLocation.y() >= newMaxPoint.y() ) { 66 if (newLocation.x() >= newMaxPoint.x() || newLocation.y() >= newMaxPoint.y() ) {
70 newLocation = LayoutPoint(0, 0); 67 newLocation = LayoutPoint(0, 0);
71 newMaxPoint = LayoutPoint(0, 0); 68 newMaxPoint = LayoutPoint(0, 0);
72 } 69 }
73 70
74 m_location = newLocation; 71 m_location = newLocation;
75 m_size = newMaxPoint - newLocation; 72 m_size = newMaxPoint - newLocation;
76 } 73 }
77 74
78 void LayoutRect::unite(const LayoutRect& other) 75 void LayoutRect::unite(const LayoutRect& other)
79 { 76 {
80 // Handle empty special cases first. 77 // Handle empty special cases first.
81 if (other.isEmpty()) 78 if (other.isEmpty())
82 return; 79 return;
83 if (isEmpty()) { 80 if (isEmpty()) {
84 *this = other; 81 *this = other;
85 return; 82 return;
86 } 83 }
87 84
88 LayoutPoint newLocation(min(x(), other.x()), min(y(), other.y())); 85 LayoutPoint newLocation(std::min(x(), other.x()), std::min(y(), other.y()));
89 LayoutPoint newMaxPoint(max(maxX(), other.maxX()), max(maxY(), other.maxY()) ); 86 LayoutPoint newMaxPoint(std::max(maxX(), other.maxX()), std::max(maxY(), oth er.maxY()));
90 87
91 m_location = newLocation; 88 m_location = newLocation;
92 m_size = newMaxPoint - newLocation; 89 m_size = newMaxPoint - newLocation;
93 } 90 }
94 91
95 void LayoutRect::uniteIfNonZero(const LayoutRect& other) 92 void LayoutRect::uniteIfNonZero(const LayoutRect& other)
96 { 93 {
97 // Handle empty special cases first. 94 // Handle empty special cases first.
98 if (!other.width() && !other.height()) 95 if (!other.width() && !other.height())
99 return; 96 return;
100 if (!width() && !height()) { 97 if (!width() && !height()) {
101 *this = other; 98 *this = other;
102 return; 99 return;
103 } 100 }
104 101
105 LayoutPoint newLocation(min(x(), other.x()), min(y(), other.y())); 102 LayoutPoint newLocation(std::min(x(), other.x()), std::min(y(), other.y()));
106 LayoutPoint newMaxPoint(max(maxX(), other.maxX()), max(maxY(), other.maxY()) ); 103 LayoutPoint newMaxPoint(std::max(maxX(), other.maxX()), std::max(maxY(), oth er.maxY()));
107 104
108 m_location = newLocation; 105 m_location = newLocation;
109 m_size = newMaxPoint - newLocation; 106 m_size = newMaxPoint - newLocation;
110 } 107 }
111 108
112 void LayoutRect::scale(float s) 109 void LayoutRect::scale(float s)
113 { 110 {
114 m_location.scale(s, s); 111 m_location.scale(s, s);
115 m_size.scale(s); 112 m_size.scale(s);
116 } 113 }
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141 } 138 }
142 139
143 LayoutRect enclosingLayoutRect(const FloatRect& rect) 140 LayoutRect enclosingLayoutRect(const FloatRect& rect)
144 { 141 {
145 LayoutPoint location = flooredLayoutPoint(rect.minXMinYCorner()); 142 LayoutPoint location = flooredLayoutPoint(rect.minXMinYCorner());
146 LayoutPoint maxPoint = ceiledLayoutPoint(rect.maxXMaxYCorner()); 143 LayoutPoint maxPoint = ceiledLayoutPoint(rect.maxXMaxYCorner());
147 return LayoutRect(location, maxPoint - location); 144 return LayoutRect(location, maxPoint - location);
148 } 145 }
149 146
150 } // namespace WebCore 147 } // namespace WebCore
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