[12269] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[17181] | 3 | * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[12269] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.Drawing;
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| 24 | using HeuristicLab.Core.Views;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Encodings.PermutationEncoding;
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| 27 | using HeuristicLab.MainForm;
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| 28 |
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| 29 | namespace HeuristicLab.Problems.PTSP.Views {
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| 30 | /// <summary>
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| 31 | /// The base class for visual representations of a path tour for a PTSP.
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| 32 | /// </summary>
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| 33 | [View("PathPTSPTour View")]
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| 34 | [Content(typeof(PathPTSPTour), true)]
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| 35 | public sealed partial class PathPTSPTourView : ItemView {
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| 36 | public new PathPTSPTour Content {
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| 37 | get { return (PathPTSPTour)base.Content; }
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| 38 | set { base.Content = value; }
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| 39 | }
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| 40 |
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| 41 | /// <summary>
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| 42 | /// Initializes a new instance of <see cref="PathPTSPTourView"/>.
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| 43 | /// </summary>
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| 44 | public PathPTSPTourView() {
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| 45 | InitializeComponent();
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| 46 | }
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| 47 |
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| 48 | protected override void DeregisterContentEvents() {
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| 49 | Content.QualityChanged -= new EventHandler(Content_QualityChanged);
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| 50 | Content.CoordinatesChanged -= new EventHandler(Content_CoordinatesChanged);
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| 51 | Content.PermutationChanged -= new EventHandler(Content_PermutationChanged);
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| 52 | Content.ProbabilitiesChanged -= new EventHandler(Content_ProbabilitiesChanged);
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| 53 | base.DeregisterContentEvents();
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| 54 | }
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| 55 | protected override void RegisterContentEvents() {
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| 56 | base.RegisterContentEvents();
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| 57 | Content.QualityChanged += new EventHandler(Content_QualityChanged);
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| 58 | Content.CoordinatesChanged += new EventHandler(Content_CoordinatesChanged);
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| 59 | Content.PermutationChanged += new EventHandler(Content_PermutationChanged);
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| 60 | Content.ProbabilitiesChanged += new EventHandler(Content_ProbabilitiesChanged);
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| 61 | }
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| 62 |
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| 63 | protected override void OnContentChanged() {
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| 64 | base.OnContentChanged();
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| 65 | if (Content == null) {
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| 66 | qualityViewHost.Content = null;
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| 67 | pictureBox.Image = null;
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| 68 | tourViewHost.Content = null;
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| 69 | } else {
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| 70 | qualityViewHost.Content = Content.Quality;
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| 71 | GenerateImage();
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| 72 | tourViewHost.Content = Content.Permutation;
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| 73 | }
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| 74 | }
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| 75 |
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| 76 | protected override void SetEnabledStateOfControls() {
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| 77 | base.SetEnabledStateOfControls();
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| 78 | qualityGroupBox.Enabled = Content != null;
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| 79 | pictureBox.Enabled = Content != null;
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| 80 | tourGroupBox.Enabled = Content != null;
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| 81 | }
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| 82 |
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| 83 | private void GenerateImage() {
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| 84 | if ((pictureBox.Width > 0) && (pictureBox.Height > 0)) {
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| 85 | if (Content == null) {
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| 86 | pictureBox.Image = null;
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| 87 | } else {
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| 88 | DoubleMatrix coordinates = Content.Coordinates;
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| 89 | Permutation permutation = Content.Permutation;
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| 90 | DoubleArray probabilities = Content.Probabilities;
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| 91 | Bitmap bitmap = new Bitmap(pictureBox.Width, pictureBox.Height);
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| 92 |
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| 93 | if ((coordinates != null) && (coordinates.Rows > 0) && (coordinates.Columns == 2) && (probabilities.Length == coordinates.Rows)) {
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| 94 | double xMin = double.MaxValue, yMin = double.MaxValue, xMax = double.MinValue, yMax = double.MinValue;
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| 95 | for (int i = 0; i < coordinates.Rows; i++) {
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| 96 | if (xMin > coordinates[i, 0]) xMin = coordinates[i, 0];
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| 97 | if (yMin > coordinates[i, 1]) yMin = coordinates[i, 1];
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| 98 | if (xMax < coordinates[i, 0]) xMax = coordinates[i, 0];
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| 99 | if (yMax < coordinates[i, 1]) yMax = coordinates[i, 1];
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| 100 | }
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| 101 |
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| 102 | int border = 20;
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| 103 | double xStep = xMax != xMin ? (pictureBox.Width - 2 * border) / (xMax - xMin) : 1;
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| 104 | double yStep = yMax != yMin ? (pictureBox.Height - 2 * border) / (yMax - yMin) : 1;
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| 105 |
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| 106 | Point[] points = new Point[coordinates.Rows];
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| 107 | for (int i = 0; i < coordinates.Rows; i++)
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| 108 | points[i] = new Point(border + ((int)((coordinates[i, 0] - xMin) * xStep)),
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| 109 | bitmap.Height - (border + ((int)((coordinates[i, 1] - yMin) * yStep))));
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| 110 |
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| 111 | using (Graphics graphics = Graphics.FromImage(bitmap)) {
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| 112 | if (permutation != null && permutation.Length > 1) {
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| 113 | Point[] tour = new Point[permutation.Length];
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| 114 | for (int i = 0; i < permutation.Length; i++) {
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| 115 | if (permutation[i] >= 0 && permutation[i] < points.Length)
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| 116 | tour[i] = points[permutation[i]];
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| 117 | }
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| 118 | graphics.DrawPolygon(Pens.Black, tour);
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| 119 | }
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| 120 | for (int i = 0; i < points.Length; i++)
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[12306] | 121 | graphics.FillRectangle(Brushes.Red, points[i].X - 2, points[i].Y - 2, Convert.ToInt32(probabilities[i] * 20), Convert.ToInt32(probabilities[i] * 20));
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[12269] | 122 | }
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| 123 | } else {
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| 124 | using (Graphics graphics = Graphics.FromImage(bitmap)) {
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| 125 | graphics.Clear(Color.White);
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| 126 | Font font = new Font(FontFamily.GenericSansSerif, 12, FontStyle.Regular);
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| 127 | string text = "No coordinates defined or in wrong format.";
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| 128 | SizeF strSize = graphics.MeasureString(text, font);
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| 129 | graphics.DrawString(text, font, Brushes.Black, (float)(pictureBox.Width - strSize.Width) / 2.0f, (float)(pictureBox.Height - strSize.Height) / 2.0f);
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| 130 | }
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| 131 | }
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| 132 | pictureBox.Image = bitmap;
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| 133 | }
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| 134 | }
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| 135 | }
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| 136 |
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| 137 | private void Content_QualityChanged(object sender, EventArgs e) {
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| 138 | if (InvokeRequired)
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| 139 | Invoke(new EventHandler(Content_QualityChanged), sender, e);
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| 140 | else
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| 141 | qualityViewHost.Content = Content.Quality;
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| 142 | }
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| 143 | private void Content_CoordinatesChanged(object sender, EventArgs e) {
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| 144 | if (InvokeRequired)
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| 145 | Invoke(new EventHandler(Content_CoordinatesChanged), sender, e);
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| 146 | else
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| 147 | GenerateImage();
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| 148 | }
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| 149 | private void Content_PermutationChanged(object sender, EventArgs e) {
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| 150 | if (InvokeRequired)
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| 151 | Invoke(new EventHandler(Content_PermutationChanged), sender, e);
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| 152 | else {
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| 153 | GenerateImage();
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| 154 | tourViewHost.Content = Content.Permutation;
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| 155 | }
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| 156 | }
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| 157 | private void Content_ProbabilitiesChanged(object sender, EventArgs e) {
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| 158 | if (InvokeRequired)
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| 159 | Invoke(new EventHandler(Content_ProbabilitiesChanged), sender, e);
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| 160 | else {
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| 161 | GenerateImage();
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| 162 | }
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| 163 | }
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| 164 |
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| 165 | private void pictureBox_SizeChanged(object sender, EventArgs e) {
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| 166 | GenerateImage();
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| 167 | }
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| 168 | }
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| 169 | }
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