1 /*
2 * Copyright (C) 2008 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "FloatQuad.h"
31
32 #include <algorithm>
33
34 using std::max;
35 using std::min;
36
37 namespace WebCore {
38
min4(float a,float b,float c,float d)39 static inline float min4(float a, float b, float c, float d)
40 {
41 return min(min(a, b), min(c, d));
42 }
43
max4(float a,float b,float c,float d)44 static inline float max4(float a, float b, float c, float d)
45 {
46 return max(max(a, b), max(c, d));
47 }
48
boundingBox() const49 FloatRect FloatQuad::boundingBox() const
50 {
51 float left = min4(m_p1.x(), m_p2.x(), m_p3.x(), m_p4.x());
52 float top = min4(m_p1.y(), m_p2.y(), m_p3.y(), m_p4.y());
53
54 float right = max4(m_p1.x(), m_p2.x(), m_p3.x(), m_p4.x());
55 float bottom = max4(m_p1.y(), m_p2.y(), m_p3.y(), m_p4.y());
56
57 return FloatRect(left, top, right - left, bottom - top);
58 }
59
60 } // namespace WebCore
61