/* * Copyright (C) 2003, 2006 Apple Inc. All rights reserved. * Copyright (C) 2005 Nokia. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "FloatSize.h" #include "FloatConversion.h" #include "IntSize.h" #include <limits> #include <math.h> #include <wtf/text/TextStream.h> namespace WebCore { FloatSize::FloatSize(const IntSize& size) : m_width(size.width()) , m_height(size.height()) { } FloatSize FloatSize::constrainedBetween(const FloatSize& min, const FloatSize& max) const { return { std::max(min.width(), std::min(max.width(), m_width)), std::max(min.height(), std::min(max.height(), m_height)) }; } float FloatSize::diagonalLength() const { return sqrtf(diagonalLengthSquared()); } bool FloatSize::isZero() const { return fabs(m_width) < std::numeric_limits<float>::epsilon() && fabs(m_height) < std::numeric_limits<float>::epsilon(); } bool FloatSize::isExpressibleAsIntSize() const { return isWithinIntRange(m_width) && isWithinIntRange(m_height); } FloatSize FloatSize::narrowPrecision(double width, double height) { return FloatSize(narrowPrecisionToFloat(width), narrowPrecisionToFloat(height)); } TextStream& operator<<(TextStream& ts, const FloatSize& size) { return ts << "width=" << TextStream::FormatNumberRespectingIntegers(size.width()) << " height=" << TextStream::FormatNumberRespectingIntegers(size.height()); } }