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source: branches/HL-3.2-MonoMigration/HeuristicLab.Visualization/CompositeShape.cs @ 2594

Last change on this file since 2594 was 635, checked in by mstoeger, 16 years ago

Imported charting framework sources into HeuristicLab.Visualization (#294)

File size: 1.2 KB
Line 
1using System;
2using System.Collections.Generic;
3using System.Drawing;
4
5namespace HeuristicLab.Visualization {
6  public class CompositeShape : IShape {
7    protected readonly List<IShape> shapes = new List<IShape>();
8    protected RectangleD boundingBox = RectangleD.Empty;
9
10    public virtual void Draw(Graphics graphics, Rectangle viewport, RectangleD clippingArea) {
11      foreach (IShape shape in shapes) {
12        shape.Draw(graphics, viewport, clippingArea);
13      }
14    }
15
16    public RectangleD BoundingBox {
17      get {
18        if (shapes.Count == 0) {
19          throw new InvalidOperationException("No shapes, no bounding box.");
20        }
21
22        return boundingBox;
23      }
24    }
25
26    public void AddShape(IShape shape) {
27      if (shapes.Count == 0) {
28        boundingBox = shape.BoundingBox;
29      } else {
30        boundingBox = new RectangleD(Math.Min(boundingBox.X1, shape.BoundingBox.X1),
31                                     Math.Min(boundingBox.Y1, shape.BoundingBox.Y1),
32                                     Math.Max(boundingBox.X2, shape.BoundingBox.X2),
33                                     Math.Max(boundingBox.Y2, shape.BoundingBox.Y2));
34      }
35      shapes.Add(shape);
36    }
37  }
38}
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