third_party/WebKit/public/platform/WebFloatRect.h

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT
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 */

#ifndef WebFloatRect_h
#define WebFloatRect_h

#include "WebCommon.h"

#if INSIDE_BLINK
#include "platform/geometry/FloatRect.h"
#else
#include <algorithm>
#include <cmath>
#include <ui/gfx/geometry/rect_f.h>
#endif

namespace blink {

struct WebFloatRect {
  float x;
  float y;
  float width;
  float height;

  bool isEmpty() const { return width <= 0 || height <= 0; }

  WebFloatRect() : x(0), y(0), width(0), height(0) {}

  WebFloatRect(float x, float y, float width, float height)
      : x(x), y(y), width(width), height(height) {}

#if INSIDE_BLINK
  WebFloatRect(const FloatRect& r)
      : x(r.x()), y(r.y()), width(r.width()), height(r.height()) {}

  WebFloatRect& operator=(const FloatRect& r) {
    x = r.x();
    y = r.y();
    width = r.width();
    height = r.height();
    return *this;
  }

  operator FloatRect() const { return FloatRect(x, y, width, height); }
#else
  WebFloatRect(const gfx::RectF& r)
      : x(r.x()), y(r.y()), width(r.width()), height(r.height()) {}

  WebFloatRect& operator=(const gfx::RectF& r) {
    x = r.x();
    y = r.y();
    width = r.width();
    height = r.height();
    return *this;
  }

  operator gfx::RectF() const {
    return gfx::RectF(x, y, std::max(0.0f, width), std::max(0.0f, height));
  }
#endif
};

inline bool operator==(const WebFloatRect& a, const WebFloatRect& b) {
  return a.x == b.x && a.y == b.y && a.width == b.width && a.height == b.height;
}

inline bool operator!=(const WebFloatRect& a, const WebFloatRect& b) {
  return !(a == b);
}

}  // namespace blink

#endif