1/*
2 * Copyright (C) 2003, 2006 Apple Inc. All rights reserved.
3 * Copyright (C) 2005 Nokia. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "FloatSize.h"
29
30#include "FloatConversion.h"
31#include "IntSize.h"
32#include <limits>
33#include <math.h>
34#include <wtf/JSONValues.h>
35#include <wtf/text/TextStream.h>
36
37namespace WebCore {
38
39FloatSize::FloatSize(const IntSize& size)
40 : m_width(size.width())
41 , m_height(size.height())
42{
43}
44
45FloatSize FloatSize::constrainedBetween(const FloatSize& min, const FloatSize& max) const
46{
47 return {
48 std::max(min.width(), std::min(max.width(), m_width)),
49 std::max(min.height(), std::min(max.height(), m_height))
50 };
51}
52
53float FloatSize::diagonalLength() const
54{
55 return sqrtf(diagonalLengthSquared());
56}
57
58bool FloatSize::isZero() const
59{
60 return fabs(m_width) < std::numeric_limits<float>::epsilon() && fabs(m_height) < std::numeric_limits<float>::epsilon();
61}
62
63bool FloatSize::isExpressibleAsIntSize() const
64{
65 return isWithinIntRange(m_width) && isWithinIntRange(m_height);
66}
67
68FloatSize FloatSize::narrowPrecision(double width, double height)
69{
70 return FloatSize(narrowPrecisionToFloat(width), narrowPrecisionToFloat(height));
71}
72
73TextStream& operator<<(TextStream& ts, const FloatSize& size)
74{
75 return ts << "width=" << TextStream::FormatNumberRespectingIntegers(size.width())
76 << " height=" << TextStream::FormatNumberRespectingIntegers(size.height());
77}
78
79Ref<JSON::Object> FloatSize::toJSONObject() const
80{
81 auto object = JSON::Object::create();
82
83 object->setDouble("width"_s, m_width);
84 object->setDouble("height"_s, m_height);
85
86 return object;
87}
88
89String FloatSize::toJSONString() const
90{
91 return toJSONObject()->toJSONString();
92}
93
94}
95