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source: trunk/sources/HeuristicLab.Visualization/3.2/MarkerShape.cs @ 3019

Last change on this file since 3019 was 1964, checked in by mstoeger, 16 years ago

moved the canvas and the basic types of shapes to their own namespace. #498

File size: 2.7 KB
Line 
1using System.Drawing;
2using System.Drawing.Drawing2D;
3using HeuristicLab.Visualization.Drawing;
4
5namespace HeuristicLab.Visualization {
6  class MarkerShape : IShape {
7
8    private IShape parent;
9    private RectangleD boundingBox;
10   
11
12    private Color color;
13    private int thickness;
14    private int width;
15    private DrawingStyle drawingStyle;
16
17    private Pen pen;
18
19    /// <summary>
20    /// Initializes the Marker.
21    /// </summary>
22    /// <param name="x">x coordinate of left dataPoint</param>
23    /// <param name="y">y coordinate of left dataPoint</param>
24    /// <param name="width">width of the whole marker</param>
25    /// <param name="color">color for the marker</param>
26    public MarkerShape(double x, double y, int width, Color color) {
27      this.boundingBox = new RectangleD(x , y , x, y );
28      this.width = width;
29      this.LSColor = color;
30    }
31
32    public RectangleD BoundingBox {
33      get { return boundingBox; }
34      set { boundingBox = value; }
35    }
36
37    public RectangleD ClippingArea {
38      get { return Parent.ClippingArea; }
39    }
40
41    public Rectangle Viewport {
42      get { return Parent.Viewport; }
43    }
44
45    public IShape Parent {
46      get { return parent; }
47      set { parent = value; }
48    }
49
50    public double Y {
51      get { return boundingBox.Y1; }
52      set {
53        boundingBox.Y1 = value ;
54        boundingBox.Y2 = value ;
55      }
56    }
57
58
59    public double X {
60      get { return (boundingBox.X1+boundingBox.X2)/2; }
61      set {
62        boundingBox.X1 = value;
63        boundingBox.X2 = value;
64      }
65    }
66
67   
68
69    /// <summary>
70    /// Draws the LineShape.
71    /// </summary>
72    /// <param name="graphics">graphics handle to draw to</param>
73    public virtual void Draw(Graphics graphics) {
74      Rectangle screenRect = Transform.ToScreen(boundingBox, Parent.Viewport, Parent.ClippingArea);
75      graphics.DrawEllipse(GetPen(),screenRect.Left-2, screenRect.Top-2,4,4);
76    }
77
78    private Pen GetPen() {
79      if (pen == null) {
80        pen = new Pen(Color.Black, 3);
81
82        switch (LSDrawingStyle) {
83          case DrawingStyle.Dashed:
84            pen.DashStyle = DashStyle.Dash;
85            break;
86          default:
87            pen.DashStyle = DashStyle.Solid;
88            break;
89        }
90      }
91
92      return pen;
93    }
94
95    private void DisposePen() {
96      if (pen != null) {
97        pen.Dispose();
98        pen = null;
99      }
100    }
101
102    public Color LSColor {
103      get { return color; }
104      set {
105        color = value;
106        DisposePen();
107      }
108    }
109
110    public DrawingStyle LSDrawingStyle {
111      get { return drawingStyle; }
112      set {
113        drawingStyle = value;
114        DisposePen();
115      }
116    }
117
118  }
119}
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