2 * Copyright (C) 2003, 2006 Apple Computer, Inc. All rights reserved.
3 * Copyright (C) 2005 Nokia. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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 COMPUTER, 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.
28 #include "FloatSize.h"
30 #include "FractionalLayoutSize.h"
31 #include "FloatConversion.h"
40 FloatSize::FloatSize(const IntSize& size) : m_width(size.width()), m_height(size.height())
44 FloatSize::FloatSize(const FractionalLayoutSize& size) : m_width(size.width()), m_height(size.height())
48 float FloatSize::diagonalLength() const
50 return sqrtf(diagonalLengthSquared());
53 bool FloatSize::isZero() const
55 return fabs(m_width) < numeric_limits<float>::epsilon() && fabs(m_height) < numeric_limits<float>::epsilon();
58 bool FloatSize::isExpressibleAsIntSize() const
60 return isWithinIntRange(m_width) && isWithinIntRange(m_height);
63 FloatSize FloatSize::narrowPrecision(double width, double height)
65 return FloatSize(narrowPrecisionToFloat(width), narrowPrecisionToFloat(height));