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source: branches/HeuristicLab.Visualization/HeuristicLab.Visualization/3.3/Primitives/FixedSizeCircle.cs @ 13045

Last change on this file since 13045 was 13045, checked in by jkarder, 8 years ago

#1265: merged changes from abeham

File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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.Drawing;
23
24namespace HeuristicLab.Visualization {
25  public class FixedSizeCircle : FixedSizePrimitiveBase {
26    public FixedSizeCircle(IChart chart, PointD point, int diameter)
27      : base(chart, point, new Size(diameter, diameter)) {
28    }
29    public FixedSizeCircle(IChart chart, PointD point, int diameter, Pen pen, Brush brush)
30      : base(chart, point, new Size(diameter, diameter), pen, brush) {
31    }
32
33    public override void Draw(Graphics graphics) {
34      Point p = Chart.TransformWorldToPixel(Point);
35
36      graphics.FillEllipse(Brush,
37                           p.X - (Size.Width / 2),
38                           p.Y - (Size.Height / 2),
39                           Size.Width,
40                           Size.Height);
41      graphics.DrawEllipse(Pen,
42                           p.X - (Size.Width / 2),
43                           p.Y - (Size.Height / 2),
44                           Size.Width,
45                           Size.Height);
46    }
47
48    public override bool ContainsPoint(PointD point) {
49      PointD center = Chart.TransformWorldToPixel(this.Point);
50      PointD x = Chart.TransformWorldToPixel(point);
51      double xDistance = x.X - center.X;
52      double yDistance = x.Y - center.Y;
53
54      return Size.Height * Size.Height / 4.0 >= (xDistance * xDistance + yDistance * yDistance);
55    }
56  }
57}
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