blob: 2e48b173731139f29834d889635adf5dd8b279fc [file] [log] [blame]
/*
* Copyright (C) 2003, 2006 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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 "platform/geometry/FloatSize.h"
#include "platform/FloatConversion.h"
#include "platform/geometry/IntSize.h"
#include "platform/geometry/LayoutSize.h"
#include <limits>
#include <math.h>
namespace blink {
FloatSize::FloatSize(const LayoutSize& size)
: m_width(size.width().toFloat())
, m_height(size.height().toFloat())
{
}
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));
}
}