source: branches/HeuristicLab.Visualization/HeuristicLab.Visualization/3.3/Primitives/FixedSizeCircle.cs @ 4776

Last change on this file since 4776 was 4776, checked in by abeham, 8 years ago

#1265

  • Renamed HeuristicLab.Drawing to HeuristicLab.Visualization
File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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.Collections.Generic;
24using System.Text;
25using System.Drawing;
26
27namespace HeuristicLab.Visualization {
28  public class FixedSizeCircle : FixedSizePrimitiveBase {
29    public FixedSizeCircle(IChart chart, PointD point, int diameter)
30      : base(chart, point, new Size(diameter, diameter)) {
31    }
32    public FixedSizeCircle(IChart chart, double x, double y, int diameter)
33      : this(chart, new PointD(x, y), diameter) {
34    }
35    public FixedSizeCircle(IChart chart, PointD point, int diameter, Pen pen, Brush brush)
36      : base(chart, point, new Size(diameter, diameter), pen, brush) {
37    }
38    public FixedSizeCircle(IChart chart, double x, double y, int diameter, Pen pen, Brush brush)
39      : this(chart, new PointD(x, y), diameter, pen, brush) {
40    }
41
42    public override void Draw(Graphics graphics) {
43      Point p = Chart.TransformWorldToPixel(Point);
44
45      graphics.FillEllipse(Brush,
46                           p.X - (Size.Width / 2),
47                           p.Y - (Size.Height / 2),
48                           Size.Width,
49                           Size.Height);
50      graphics.DrawEllipse(Pen,
51                           p.X - (Size.Width / 2),
52                           p.Y - (Size.Height / 2),
53                           Size.Width,
54                           Size.Height);
55    }
56
57    public override bool ContainsPoint(PointD point) {
58      PointD center = Chart.TransformWorldToPixel(this.Point);
59      PointD x = Chart.TransformWorldToPixel(point);
60      double xDistance = x.X - center.X;
61      double yDistance = x.Y - center.Y;
62
63      return Size.Height*Size.Height/4.0 >= (xDistance * xDistance + yDistance * yDistance);
64    }
65  }
66}
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