third_party/blink/renderer/platform/geometry/float_size.cc

/*
 * 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 "third_party/blink/renderer/platform/geometry/float_size.h"

#include <math.h>
#include <limits>
#include "third_party/blink/renderer/platform/geometry/int_size.h"
#include "third_party/blink/renderer/platform/geometry/layout_size.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"
#include "third_party/blink/renderer/platform/wtf/text/text_stream.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

float FloatSize::DiagonalLength() const {
  return hypotf(width_, height_);
}

bool FloatSize::IsExpressibleAsIntSize() const {
  return isWithinIntRange(width_) && isWithinIntRange(height_);
}

FloatSize FloatSize::NarrowPrecision(double width, double height) {
  return FloatSize(clampTo<float>(width), clampTo<float>(height));
}

std::ostream& operator<<(std::ostream& ostream, const FloatSize& size) {
  return ostream << size.ToString();
}

String FloatSize::ToString() const {
  return String::Format("%lgx%lg", Width(), Height());
}

WTF::TextStream& operator<<(WTF::TextStream& ts, const FloatSize& s) {
  ts << "width=" << WTF::TextStream::FormatNumberRespectingIntegers(s.Width());
  ts << " height="
     << WTF::TextStream::FormatNumberRespectingIntegers(s.Height());
  return ts;
}

}  // namespace blink