third_party/WebKit/Source/platform/geometry/DoubleRect.cpp

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "platform/geometry/DoubleRect.h"

#include "platform/geometry/FloatRect.h"
#include "platform/geometry/IntRect.h"
#include "platform/geometry/LayoutRect.h"
#include "platform/wtf/text/WTFString.h"

namespace blink {

DoubleRect::DoubleRect(const IntRect& r)
    : location_(r.Location()), size_(r.Size()) {}

DoubleRect::DoubleRect(const FloatRect& r)
    : location_(r.Location()), size_(r.Size()) {}

DoubleRect::DoubleRect(const LayoutRect& r)
    : location_(r.Location()), size_(r.Size()) {}

IntRect EnclosingIntRect(const DoubleRect& rect) {
  IntPoint location = FlooredIntPoint(rect.MinXMinYCorner());
  IntPoint max_point = CeiledIntPoint(rect.MaxXMaxYCorner());

  return IntRect(location, max_point - location);
}

IntRect EnclosedIntRect(const DoubleRect& rect) {
  IntPoint location = CeiledIntPoint(rect.MinXMinYCorner());
  IntPoint max_point = FlooredIntPoint(rect.MaxXMaxYCorner());
  IntSize size = max_point - location;
  size.ClampNegativeToZero();

  return IntRect(location, size);
}

IntRect RoundedIntRect(const DoubleRect& rect) {
  return IntRect(RoundedIntPoint(rect.Location()), RoundedIntSize(rect.Size()));
}

void DoubleRect::Scale(float sx, float sy) {
  location_.SetX(X() * sx);
  location_.SetY(Y() * sy);
  size_.SetWidth(Width() * sx);
  size_.SetHeight(Height() * sy);
}

String DoubleRect::ToString() const {
  return String::Format("%s %s", Location().ToString().Ascii().data(),
                        Size().ToString().Ascii().data());
}

}  // namespace blink