1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Text;
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5 | using Microsoft.Research.DynamicDataDisplay.Common.Auxiliary;
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6 | using System.Windows.Media;
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7 | using System.Diagnostics.Contracts;
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8 | using System.Windows.Shapes;
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9 |
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10 | namespace Microsoft.Research.DynamicDataDisplay.Charts
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11 | {
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12 | /// <summary>
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13 | /// This is a class for displaying some debug visuals on the plotter;
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14 | /// </summary>
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15 | public class VisualDebug : IPlotterElement
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16 | {
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17 | private Plotter2D plotter;
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18 | private static readonly ViewportHostPanel panel = new ViewportHostPanel();
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19 | private static readonly VisualDebug current = new VisualDebug();
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20 | private static readonly Dictionary<string, object> objects = new Dictionary<string, object>();
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21 |
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22 | public static void DrawRectangle(string name, DataRect bounds, Brush stroke = null, Brush fill = null, double strokeThickness = 1.0)
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23 | {
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24 | Contract.Assert(name != null);
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25 |
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26 | if (stroke == null)
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27 | stroke = Brushes.Blue;
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28 |
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29 | Rectangle rect;
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30 | if (objects.ContainsKey(name))
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31 | rect = (Rectangle)objects[name];
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32 | else
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33 | {
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34 | rect = new Rectangle();
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35 | objects.Add(name, rect);
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36 | }
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37 |
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38 | rect.Stroke = stroke;
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39 | rect.StrokeThickness = strokeThickness;
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40 | rect.Fill = fill;
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41 |
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42 | ViewportPanel.SetViewportBounds(rect, bounds);
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43 |
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44 | if (rect.Parent == null)
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45 | panel.Children.Add(rect);
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46 |
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47 | EnsurePanelAdded();
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48 | }
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49 |
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50 | private static void EnsurePanelAdded()
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51 | {
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52 | if (Plotter.Current == null)
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53 | return;
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54 | if (panel.Parent != null)
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55 | return;
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56 |
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57 | Plotter.Current.Children.Add(panel);
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58 | }
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59 |
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60 | #region IPlotterElement Members
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61 |
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62 | public void OnPlotterAttached(Plotter plotter)
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63 | {
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64 | this.plotter = (Plotter2D)plotter;
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65 | plotter.Dispatcher.BeginInvoke(() =>
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66 | {
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67 | plotter.Children.Add(panel);
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68 | });
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69 | }
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70 |
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71 | public void OnPlotterDetaching(Plotter plotter)
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72 | {
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73 | plotter.Dispatcher.BeginInvoke(() =>
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74 | {
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75 | plotter.Children.Remove(panel);
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76 | });
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77 |
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78 | this.plotter = null;
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79 | }
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80 |
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81 | public Plotter Plotter
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82 | {
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83 | get { return plotter; }
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84 | }
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85 |
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86 | #endregion
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87 | }
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88 | }
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