third_party/blink/public/platform/web_size.h

/*
 * Copyright (C) 2009 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.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * 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 THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_SIZE_H_
#define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_SIZE_H_

#include "third_party/blink/public/platform/web_common.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/vector2d.h"

#if INSIDE_BLINK
#include "third_party/blink/renderer/platform/geometry/int_size.h"  // nogncheck
#else
#include <algorithm>
#include <cmath>
#endif

namespace blink {

struct WebSize {
  int width;
  int height;

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

  WebSize() : width(0), height(0) {}

  WebSize(int width, int height) : width(width), height(height) {}

#if INSIDE_BLINK
  WebSize(const IntSize& s) : width(s.Width()), height(s.Height()) {}

  WebSize& operator=(const IntSize& s) {
    width = s.Width();
    height = s.Height();
    return *this;
  }

  operator IntSize() const { return IntSize(width, height); }

  explicit WebSize(const gfx::Size& s) : width(s.width()), height(s.height()) {}
  explicit WebSize(const gfx::Vector2d& v) : width(v.x()), height(v.y()) {}

  // Note that this conversion clamps to non-negative values.
  explicit operator gfx::Size() const { return gfx::Size(width, height); }

  explicit operator gfx::Vector2d() const {
    return gfx::Vector2d(width, height);
  }
#else
  WebSize(const gfx::Size& s) : width(s.width()), height(s.height()) {}
  WebSize(const gfx::Vector2d& v) : width(v.x()), height(v.y()) {}

  WebSize& operator=(const gfx::Size& s) {
    width = s.width();
    height = s.height();
    return *this;
  }

  WebSize& operator=(const gfx::Vector2d& v) {
    width = v.x();
    height = v.y();
    return *this;
  }

  // Note that this conversion clamps to non-negative values.
  operator gfx::Size() const { return gfx::Size(width, height); }

  operator gfx::Vector2d() const { return gfx::Vector2d(width, height); }
#endif
};

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

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

}  // namespace blink

#endif