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/PrintStream.h> 35 36namespace WebCore { 37 38FloatSize::FloatSize(const IntSize& size) : m_width(size.width()), m_height(size.height()) 39{ 40} 41 42float FloatSize::diagonalLength() const 43{ 44 return sqrtf(diagonalLengthSquared()); 45} 46 47bool FloatSize::isZero() const 48{ 49 return fabs(m_width) < std::numeric_limits<float>::epsilon() && fabs(m_height) < std::numeric_limits<float>::epsilon(); 50} 51 52bool FloatSize::isExpressibleAsIntSize() const 53{ 54 return isWithinIntRange(m_width) && isWithinIntRange(m_height); 55} 56 57FloatSize FloatSize::narrowPrecision(double width, double height) 58{ 59 return FloatSize(narrowPrecisionToFloat(width), narrowPrecisionToFloat(height)); 60} 61 62void FloatSize::dump(PrintStream& out) const 63{ 64 out.printf("(%f x %f)", width(), height()); 65} 66 67} 68