Last change
on this file since 3038 was
1964,
checked in by mstoeger, 15 years ago
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moved the canvas and the basic types of shapes to their own namespace. #498
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File size:
1.8 KB
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1 | using System.Drawing;
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2 | using HeuristicLab.Visualization.Drawing;
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3 |
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4 | namespace HeuristicLab.Visualization {
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5 | public class RectangleShape : IShape {
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6 | private IShape parent;
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7 | private RectangleD rectangle;
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8 |
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9 | private Color color;
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10 |
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11 | private Pen pen;
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12 | private Brush brush;
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13 |
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14 | public RectangleShape(double x1, double y1, double x2, double y2, Color color) {
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15 | rectangle = new RectangleD(x1, y1, x2, y2);
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16 | this.color = color;
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17 | }
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18 |
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19 | public RectangleD BoundingBox {
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20 | get { return rectangle; }
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21 | }
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22 |
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23 | public RectangleD ClippingArea {
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24 | get { return Parent.ClippingArea; }
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25 | }
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26 |
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27 | public Rectangle Viewport {
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28 | get { return Parent.Viewport; }
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29 | }
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30 |
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31 | public IShape Parent {
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32 | get { return parent; }
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33 | set { parent = value; }
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34 | }
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35 |
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36 | public RectangleD Rectangle {
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37 | get { return rectangle; }
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38 | set { rectangle = value; }
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39 | }
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40 |
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41 | public void Draw(Graphics graphics) {
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42 | Rectangle screenRect = Transform.ToScreen(rectangle, Parent.Viewport, Parent.ClippingArea);
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43 |
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44 | graphics.DrawRectangle(GetPen(), screenRect);
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45 | graphics.FillRectangle(GetBrush(), screenRect);
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46 | }
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47 |
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48 | private Pen GetPen() {
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49 | if (pen == null)
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50 | pen = new Pen(color, 1);
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51 | return pen;
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52 | }
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53 |
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54 | private Brush GetBrush() {
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55 | if (brush == null)
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56 | brush = new SolidBrush(color);
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57 | return brush;
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58 | }
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59 |
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60 | public Color Color {
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61 | get { return color; }
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62 | set {
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63 | color = value;
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64 | DisposeDrawingTools();
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65 | }
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66 | }
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67 |
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68 | private void DisposeDrawingTools() {
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69 | if (pen != null) {
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70 | pen.Dispose();
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71 | pen = null;
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72 | }
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73 |
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74 | if (brush != null) {
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75 | brush.Dispose();
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76 | brush = null;
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77 | }
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78 | }
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79 | }
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80 | } |
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