/*
 * Greenshot - a free and open source screenshot tool
 * Copyright (C) 2007-2021 Thomas Braun, Jens Klingen, Robin Krom
 *
 * For more information see: http://getgreenshot.org/
 * The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

using System;
using System.Drawing;
using System.Runtime.InteropServices;

namespace GreenshotPlugin.UnmanagedHelpers.Structs
{
    [StructLayout(LayoutKind.Sequential), Serializable()]
    public struct RECT {
        private int _Left;
        private int _Top;
        private int _Right;
        private int _Bottom;

        public RECT(RECT rectangle)
            : this(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Bottom) {
        }
        public RECT(Rectangle rectangle)
            : this(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Bottom) {
        }
        public RECT(int left, int top, int right, int bottom) {
            _Left = left;
            _Top = top;
            _Right = right;
            _Bottom = bottom;
        }

        public int X {
            get {
                return _Left;
            }
            set {
                _Left = value;
            }
        }
        public int Y {
            get {
                return _Top;
            }
            set {
                _Top = value;
            }
        }
        public int Left {
            get {
                return _Left;
            }
            set {
                _Left = value;
            }
        }
        public int Top {
            get {
                return _Top;
            }
            set {
                _Top = value;
            }
        }
        public int Right {
            get {
                return _Right;
            }
            set {
                _Right = value;
            }
        }
        public int Bottom {
            get {
                return _Bottom;
            }
            set {
                _Bottom = value;
            }
        }
        public int Height {
            get {
                return _Bottom - _Top;
            }
            set {
                _Bottom = value - _Top;
            }
        }
        public int Width {
            get {
                return _Right - _Left;
            }
            set {
                _Right = value + _Left;
            }
        }
        public Point Location {
            get {
                return new Point(Left, Top);
            }
            set {
                _Left = value.X;
                _Top = value.Y;
            }
        }
        public Size Size {
            get {
                return new Size(Width, Height);
            }
            set {
                _Right = value.Width + _Left;
                _Bottom = value.Height + _Top;
            }
        }

        public static implicit operator Rectangle(RECT rectangle) {
            return new Rectangle(rectangle.Left, rectangle.Top, rectangle.Width, rectangle.Height);
        }
        public static implicit operator RECT(Rectangle rectangle) {
            return new RECT(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Bottom);
        }
        public static bool operator ==(RECT rectangle1, RECT rectangle2) {
            return rectangle1.Equals(rectangle2);
        }
        public static bool operator !=(RECT rectangle1, RECT rectangle2) {
            return !rectangle1.Equals(rectangle2);
        }

        public override string ToString() {
            return "{Left: " + _Left + "; " + "Top: " + _Top + "; Right: " + _Right + "; Bottom: " + _Bottom + "}";
        }

        public override int GetHashCode() {
            return ToString().GetHashCode();
        }

        public bool Equals(RECT rectangle) {
            return rectangle.Left == _Left && rectangle.Top == _Top && rectangle.Right == _Right && rectangle.Bottom == _Bottom;
        }

        public Rectangle ToRectangle() {
            return new Rectangle(Left, Top, Width, Height);
        }
        public override bool Equals(object Object) {
            if (Object is RECT) {
                return Equals((RECT)Object);
            } else if (Object is Rectangle) {
                return Equals(new RECT((Rectangle)Object));
            }

            return false;
        }
    }
}