source: branches/2839_HiveProjectManagement/HeuristicLab.Common/3.3/Point2D.cs @ 16057

Last change on this file since 16057 was 16057, checked in by jkarder, 17 months ago

#2839:

File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.ComponentModel;
24using System.Globalization;
25
26namespace HeuristicLab.Common {
27  [Serializable]
28  public struct Point2D<T> where T : struct, IEquatable<T> {
29    public static readonly Point2D<T> Empty = new Point2D<T>();
30
31    private T x;
32    public T X {
33      get { return x; }
34    }
35    private T y;
36    public T Y {
37      get { return y; }
38    }
39
40    private object tag;
41    public object Tag {
42      get { return tag; }
43    }
44
45    [Browsable(false)]
46    public bool IsEmpty {
47      get { return Equals(Empty); }
48    }
49
50    public Point2D(T x, T y, object tag = null) {
51      this.x = x;
52      this.y = y;
53      this.tag = tag;
54    }
55
56    public static Point2D<T> Create(T x, T y, object tag = null) {
57      return new Point2D<T>(x, y, tag);
58    }
59
60    public static bool operator ==(Point2D<T> left, Point2D<T> right) {
61      return left.x.Equals(right.x) && left.y.Equals(right.y) && left.tag == right.tag;
62    }
63    public static bool operator !=(Point2D<T> left, Point2D<T> right) {
64      return !(left == right);
65    }
66
67    public override bool Equals(object obj) {
68      if (!(obj is Point2D<T>))
69        return false;
70      Point2D<T> point = (Point2D<T>)obj;
71      return GetType() == point.GetType() && x.Equals(point.x) && y.Equals(point.y) &&
72             ((tag != null && tag.Equals(point.tag)) || tag == point.tag);
73    }
74    public override int GetHashCode() {
75      return base.GetHashCode();
76    }
77
78    public override string ToString() {
79      return string.Format((IFormatProvider)CultureInfo.CurrentCulture, "{{X={0}, Y={1}}}", new object[2] { x, y });
80    }
81  }
82}
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