1/*
2 * Copyright (C) 2017 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
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,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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
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
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "DOMQuad.h"
28
29#include "DOMPoint.h"
30#include "DOMRect.h"
31#include <wtf/IsoMallocInlines.h>
32#include <wtf/MathExtras.h>
33
34
35namespace WebCore {
36using namespace WTF;
37
38WTF_MAKE_ISO_ALLOCATED_IMPL(DOMQuad);
39
40DOMQuad::DOMQuad(const DOMPointInit& p1, const DOMPointInit& p2, const DOMPointInit& p3, const DOMPointInit& p4)
41 : m_p1(DOMPoint::create(p1))
42 , m_p2(DOMPoint::create(p2))
43 , m_p3(DOMPoint::create(p3))
44 , m_p4(DOMPoint::create(p4))
45{
46}
47
48// p1------p2
49// | |
50// | |
51// p4------p3
52DOMQuad::DOMQuad(const DOMRectInit& r)
53 : m_p1(DOMPoint::create(r.x, r.y))
54 , m_p2(DOMPoint::create(r.x + r.width, r.y))
55 , m_p3(DOMPoint::create(r.x + r.width, r.y + r.height))
56 , m_p4(DOMPoint::create(r.x, r.y + r.height))
57{
58}
59
60Ref<DOMRect> DOMQuad::getBounds() const
61{
62 double left = nanPropagatingMin(nanPropagatingMin(nanPropagatingMin(m_p1->x(), m_p2->x()), m_p3->x()), m_p4->x());
63 double top = nanPropagatingMin(nanPropagatingMin(nanPropagatingMin(m_p1->y(), m_p2->y()), m_p3->y()), m_p4->y());
64 double right = nanPropagatingMax(nanPropagatingMax(nanPropagatingMax(m_p1->x(), m_p2->x()), m_p3->x()), m_p4->x());
65 double bottom = nanPropagatingMax(nanPropagatingMax(nanPropagatingMax(m_p1->y(), m_p2->y()), m_p3->y()), m_p4->y());
66
67 return DOMRect::create(left, top, right - left, bottom - top);
68}
69
70}
71