Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(557)

Side by Side Diff: Source/core/platform/graphics/LayoutPoint.h

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
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
(Empty)
1 /*
2 * Copyright (c) 2012, Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.
29 */
30
31 #ifndef LayoutPoint_h
32 #define LayoutPoint_h
33
34 #include "core/platform/graphics/FloatPoint.h"
35 #include "core/platform/graphics/LayoutSize.h"
36 #include "wtf/MathExtras.h"
37
38 namespace WebCore {
39
40 class LayoutPoint {
41 public:
42 LayoutPoint() { }
43 LayoutPoint(LayoutUnit x, LayoutUnit y) : m_x(x), m_y(y) { }
44 LayoutPoint(const IntPoint& point) : m_x(point.x()), m_y(point.y()) { }
45 explicit LayoutPoint(const FloatPoint& size) : m_x(size.x()), m_y(size.y()) { }
46 explicit LayoutPoint(const LayoutSize& size) : m_x(size.width()), m_y(size.h eight()) { }
47
48 static LayoutPoint zero() { return LayoutPoint(); }
49
50 LayoutUnit x() const { return m_x; }
51 LayoutUnit y() const { return m_y; }
52
53 void setX(LayoutUnit x) { m_x = x; }
54 void setY(LayoutUnit y) { m_y = y; }
55
56 void move(const LayoutSize& s) { move(s.width(), s.height()); }
57 void moveBy(const LayoutPoint& offset) { move(offset.x(), offset.y()); }
58 void move(LayoutUnit dx, LayoutUnit dy) { m_x += dx; m_y += dy; }
59 void scale(float sx, float sy)
60 {
61 m_x *= sx;
62 m_y *= sy;
63 }
64
65 LayoutPoint expandedTo(const LayoutPoint& other) const
66 {
67 return LayoutPoint(std::max(m_x, other.m_x), std::max(m_y, other.m_y));
68 }
69
70 LayoutPoint shrunkTo(const LayoutPoint& other) const
71 {
72 return LayoutPoint(std::min(m_x, other.m_x), std::min(m_y, other.m_y));
73 }
74
75 void clampNegativeToZero()
76 {
77 *this = expandedTo(zero());
78 }
79
80 LayoutPoint transposedPoint() const
81 {
82 return LayoutPoint(m_y, m_x);
83 }
84
85 private:
86 LayoutUnit m_x, m_y;
87 };
88
89 inline LayoutPoint& operator+=(LayoutPoint& a, const LayoutSize& b)
90 {
91 a.move(b.width(), b.height());
92 return a;
93 }
94
95 inline LayoutPoint& operator-=(LayoutPoint& a, const LayoutSize& b)
96 {
97 a.move(-b.width(), -b.height());
98 return a;
99 }
100
101 inline LayoutPoint operator+(const LayoutPoint& a, const LayoutSize& b)
102 {
103 return LayoutPoint(a.x() + b.width(), a.y() + b.height());
104 }
105
106 inline LayoutPoint operator+(const LayoutPoint& a, const LayoutPoint& b)
107 {
108 return LayoutPoint(a.x() + b.x(), a.y() + b.y());
109 }
110
111 inline LayoutSize operator-(const LayoutPoint& a, const LayoutPoint& b)
112 {
113 return LayoutSize(a.x() - b.x(), a.y() - b.y());
114 }
115
116 inline LayoutPoint operator-(const LayoutPoint& a, const LayoutSize& b)
117 {
118 return LayoutPoint(a.x() - b.width(), a.y() - b.height());
119 }
120
121 inline LayoutPoint operator-(const LayoutPoint& point)
122 {
123 return LayoutPoint(-point.x(), -point.y());
124 }
125
126 inline bool operator==(const LayoutPoint& a, const LayoutPoint& b)
127 {
128 return a.x() == b.x() && a.y() == b.y();
129 }
130
131 inline bool operator!=(const LayoutPoint& a, const LayoutPoint& b)
132 {
133 return a.x() != b.x() || a.y() != b.y();
134 }
135
136 inline LayoutPoint toPoint(const LayoutSize& size)
137 {
138 return LayoutPoint(size.width(), size.height());
139 }
140
141 inline LayoutPoint toLayoutPoint(const LayoutSize& p)
142 {
143 return LayoutPoint(p.width(), p.height());
144 }
145
146 inline LayoutSize toSize(const LayoutPoint& a)
147 {
148 return LayoutSize(a.x(), a.y());
149 }
150
151 inline IntPoint flooredIntPoint(const LayoutPoint& point)
152 {
153 return IntPoint(point.x().floor(), point.y().floor());
154 }
155
156 inline IntPoint roundedIntPoint(const LayoutPoint& point)
157 {
158 return IntPoint(point.x().round(), point.y().round());
159 }
160
161 inline IntPoint roundedIntPoint(const LayoutSize& size)
162 {
163 return IntPoint(size.width().round(), size.height().round());
164 }
165
166 inline IntPoint ceiledIntPoint(const LayoutPoint& point)
167 {
168 return IntPoint(point.x().ceil(), point.y().ceil());
169 }
170
171 inline LayoutPoint flooredLayoutPoint(const FloatPoint& p)
172 {
173 return LayoutPoint(LayoutUnit::fromFloatFloor(p.x()), LayoutUnit::fromFloatF loor(p.y()));
174 }
175
176 inline LayoutPoint ceiledLayoutPoint(const FloatPoint& p)
177 {
178 return LayoutPoint(LayoutUnit::fromFloatCeil(p.x()), LayoutUnit::fromFloatCe il(p.y()));
179 }
180
181 inline IntSize pixelSnappedIntSize(const LayoutSize& s, const LayoutPoint& p)
182 {
183 return IntSize(snapSizeToPixel(s.width(), p.x()), snapSizeToPixel(s.height() , p.y()));
184 }
185
186 inline LayoutPoint roundedLayoutPoint(const FloatPoint& p)
187 {
188 return LayoutPoint(p);
189 }
190
191 inline LayoutSize toLayoutSize(const LayoutPoint& p)
192 {
193 return LayoutSize(p.x(), p.y());
194 }
195
196 inline LayoutPoint flooredLayoutPoint(const FloatSize& s)
197 {
198 return flooredLayoutPoint(FloatPoint(s));
199 }
200
201
202 } // namespace WebCore
203
204 #endif // LayoutPoint_h
OLDNEW
« no previous file with comments | « Source/core/platform/graphics/LayoutBoxExtent.cpp ('k') | Source/core/platform/graphics/LayoutRect.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698