[3647] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16057] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3647] | 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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[16057] | 24 | using System.Linq;
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[3647] | 25 | using System.Windows.Forms;
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| 26 | using HeuristicLab.Core.Views;
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[3665] | 27 | using HeuristicLab.Data;
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[4068] | 28 | using HeuristicLab.Encodings.RealVectorEncoding;
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[3647] | 29 | using HeuristicLab.MainForm;
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| 30 |
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| 31 | namespace HeuristicLab.Problems.TestFunctions.Views {
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| 32 | /// <summary>
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[3661] | 33 | /// A view for a SingleObjectiveTestFunctions solution.
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[3647] | 34 | /// </summary>
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[3661] | 35 | [View("Single Objective Test Functions View")]
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[3647] | 36 | [Content(typeof(SingleObjectiveTestFunctionSolution), true)]
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[3665] | 37 | public partial class SingleObjectiveTestFunctionSolutionView : ItemView {
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| 38 | private Bitmap backgroundImage;
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| 39 |
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[3647] | 40 | public new SingleObjectiveTestFunctionSolution Content {
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| 41 | get { return (SingleObjectiveTestFunctionSolution)base.Content; }
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| 42 | set { base.Content = value; }
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| 43 | }
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| 44 |
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| 45 | public SingleObjectiveTestFunctionSolutionView() {
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| 46 | InitializeComponent();
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[3665] | 47 | pictureBox.SizeChanged += new EventHandler(pictureBox_SizeChanged);
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[3647] | 48 | qualityView.ReadOnly = true;
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| 49 | realVectorView.ReadOnly = true;
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[3665] | 50 | backgroundImage = null;
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[3647] | 51 | }
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| 52 |
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[3649] | 53 | protected override void DeregisterContentEvents() {
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[3665] | 54 | Content.BestKnownRealVectorChanged -= new EventHandler(Content_BestKnownRealVectorChanged);
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| 55 | Content.BestRealVectorChanged -= new EventHandler(Content_BestRealVectorChanged);
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[3649] | 56 | Content.QualityChanged -= new EventHandler(Content_QualityChanged);
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[3665] | 57 | Content.PopulationChanged -= new EventHandler(Content_PopulationChanged);
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[3894] | 58 | Content.BoundsChanged -= new EventHandler(Content_BoundsChanged);
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[3649] | 59 | base.DeregisterContentEvents();
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| 60 | }
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| 61 | protected override void RegisterContentEvents() {
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| 62 | base.RegisterContentEvents();
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[3665] | 63 | Content.BestKnownRealVectorChanged += new EventHandler(Content_BestKnownRealVectorChanged);
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| 64 | Content.BestRealVectorChanged += new EventHandler(Content_BestRealVectorChanged);
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[3649] | 65 | Content.QualityChanged += new EventHandler(Content_QualityChanged);
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[3665] | 66 | Content.PopulationChanged += new EventHandler(Content_PopulationChanged);
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[3894] | 67 | Content.BoundsChanged += new EventHandler(Content_BoundsChanged);
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[3649] | 68 | }
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| 69 |
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[3665] | 70 | private void Content_BestKnownRealVectorChanged(object sender, EventArgs e) {
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[3649] | 71 | if (InvokeRequired)
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[3665] | 72 | Invoke(new EventHandler(Content_BestKnownRealVectorChanged), sender, e);
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[3649] | 73 | else {
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[3665] | 74 | GenerateImage();
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[3649] | 75 | }
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| 76 | }
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| 77 |
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[3665] | 78 | private void Content_BestRealVectorChanged(object sender, EventArgs e) {
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[3649] | 79 | if (InvokeRequired)
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[3667] | 80 | Invoke(new EventHandler(Content_BestRealVectorChanged), sender, e);
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[3649] | 81 | else {
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[3661] | 82 | realVectorView.Content = Content.BestRealVector;
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| 83 | pictureBox.Visible = Content.BestRealVector.Length == 2;
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[3665] | 84 | GenerateImage();
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[3649] | 85 | }
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| 86 | }
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| 87 |
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[3665] | 88 | private void Content_QualityChanged(object sender, EventArgs e) {
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| 89 | if (InvokeRequired)
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| 90 | Invoke(new EventHandler(Content_QualityChanged), sender, e);
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| 91 | else {
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| 92 | qualityView.Content = Content.BestQuality;
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| 93 | pictureBox.Visible = Content.BestRealVector.Length == 2;
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| 94 | GenerateImage();
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | private void Content_PopulationChanged(object sender, EventArgs e) {
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| 99 | if (InvokeRequired)
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| 100 | Invoke(new EventHandler(Content_PopulationChanged), sender, e);
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| 101 | else {
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| 102 | GenerateImage();
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| 103 | }
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| 104 | }
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| 105 |
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[3894] | 106 | private void Content_BoundsChanged(object sender, EventArgs e) {
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| 107 | if (InvokeRequired)
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| 108 | Invoke(new EventHandler(Content_BoundsChanged), sender, e);
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| 109 | else
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| 110 | GenerateImage();
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| 111 | }
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| 112 |
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[3647] | 113 | protected override void OnContentChanged() {
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| 114 | base.OnContentChanged();
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| 115 | if (Content == null) {
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| 116 | qualityView.Content = null;
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| 117 | realVectorView.Content = null;
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| 118 | } else {
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[3661] | 119 | qualityView.Content = Content.BestQuality;
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| 120 | realVectorView.Content = Content.BestRealVector;
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| 121 |
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| 122 | pictureBox.Visible = Content.BestRealVector.Length == 2;
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[3665] | 123 | GenerateImage();
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[3647] | 124 | }
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| 125 | }
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| 126 |
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[3668] | 127 | protected override void OnPaint(PaintEventArgs e) {
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| 128 | GenerateImage();
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| 129 | base.OnPaint(e);
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| 130 | }
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| 131 |
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[3904] | 132 | protected override void SetEnabledStateOfControls() {
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| 133 | base.SetEnabledStateOfControls();
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[3647] | 134 | qualityView.Enabled = Content != null;
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| 135 | realVectorView.Enabled = Content != null;
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| 136 | }
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[3665] | 137 |
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| 138 | private void GenerateImage() {
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[16057] | 139 | if (!pictureBox.Enabled || pictureBox.Width <= 0 || pictureBox.Height <= 0) return;
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| 140 | if (Content == null) {
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| 141 | pictureBox.Image = null;
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| 142 | return;
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| 143 | }
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| 144 | if (backgroundImage == null) {
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| 145 | GenerateBackgroundImage();
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| 146 | pictureBox.Image = backgroundImage;
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| 147 | }
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| 148 | pictureBox.Refresh();
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| 149 | DoubleMatrix bounds = Content.Bounds;
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| 150 | if (bounds == null) bounds = Content.Evaluator.Bounds;
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| 151 | double xMin = bounds[0, 0], xMax = bounds[0, 1], yMin = bounds[1 % bounds.Rows, 0], yMax = bounds[1 % bounds.Rows, 1];
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| 152 | double xStep = backgroundImage.Width / (xMax - xMin), yStep = backgroundImage.Height / (yMax - yMin);
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| 153 |
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| 154 | using (Graphics graphics = pictureBox.CreateGraphics()) {
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| 155 | if (Content.BestKnownRealVector != null && Content.BestKnownRealVector.Length == 2) {
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| 156 | Pen cross = new Pen(Brushes.Red, 2.0f);
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| 157 | float a = (float)((Content.BestKnownRealVector[0] - xMin) * xStep);
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| 158 | float b = (float)((Content.BestKnownRealVector[1] - yMin) * yStep);
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| 159 | graphics.DrawLine(cross, a - 4, b - 4, a + 4, b + 4);
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| 160 | graphics.DrawLine(cross, a - 4, b + 4, a + 4, b - 4);
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[3665] | 161 | }
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[16057] | 162 | if (Content.Population != null) {
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| 163 | foreach (RealVector vector in Content.Population.Where(x => x.Length == 2))
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| 164 | graphics.FillEllipse(Brushes.Blue, (float)((vector[0] - xMin) * xStep - 4), (float)((vector[1] - yMin) * yStep - 4), 8.0f, 8.0f);
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| 165 | }
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| 166 | if (Content.BestRealVector != null && Content.BestRealVector.Length == 2) {
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| 167 | graphics.FillEllipse(Brushes.Green, (float)((Content.BestRealVector[0] - xMin) * xStep - 5), (float)((Content.BestRealVector[1] - yMin) * yStep - 5), 10.0f, 10.0f);
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| 168 | }
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[3665] | 169 | }
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| 170 | }
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| 171 |
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| 172 | private void GenerateBackgroundImage() {
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| 173 | if (backgroundImage != null)
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| 174 | backgroundImage.Dispose();
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| 175 | backgroundImage = new Bitmap(pictureBox.Width, pictureBox.Height);
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[3894] | 176 | DoubleMatrix bounds = Content.Bounds;
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| 177 | if (bounds == null) bounds = Content.Evaluator.Bounds;
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[3665] | 178 | double xMin = bounds[0, 0], xMax = bounds[0, 1], yMin = bounds[1 % bounds.Rows, 0], yMax = bounds[1 % bounds.Rows, 1];
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| 179 | double xStep = (xMax - xMin) / backgroundImage.Width, yStep = (yMax - yMin) / backgroundImage.Height;
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| 180 | double minPoint = Double.MaxValue, maxPoint = Double.MinValue;
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| 181 | DoubleMatrix points = new DoubleMatrix(backgroundImage.Height, backgroundImage.Width);
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| 182 | for (int i = 0; i < backgroundImage.Width; i++)
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| 183 | for (int j = 0; j < backgroundImage.Height; j++) {
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| 184 | points[j, i] = Content.Evaluator.Evaluate2D(xMin + i * xStep, yMin + j * yStep);
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| 185 | if (points[j, i] < minPoint) minPoint = points[j, i];
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| 186 | if (points[j, i] > maxPoint) maxPoint = points[j, i];
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| 187 | }
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| 188 | double grayStep;
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| 189 | if (maxPoint == minPoint) grayStep = -1;
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| 190 | else grayStep = 100 / (maxPoint - minPoint);
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| 191 |
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| 192 | for (int i = 0; i < backgroundImage.Width; i++)
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| 193 | for (int j = 0; j < backgroundImage.Height; j++) {
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| 194 | int luminosity = (grayStep > 0) ? (int)Math.Round((points[j, i] - minPoint) * grayStep) : (128);
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| 195 | backgroundImage.SetPixel(i, j, Color.FromArgb(255 - luminosity, 255 - luminosity, 255 - luminosity));
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| 196 | }
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| 197 | }
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| 198 |
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| 199 | private void pictureBox_SizeChanged(object sender, EventArgs e) {
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| 200 | if (backgroundImage != null) backgroundImage.Dispose();
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| 201 | backgroundImage = null;
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| 202 | pictureBox.Image = null;
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[4068] | 203 | GenerateImage();
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[3665] | 204 | }
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| 205 |
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| 206 | protected override void OnClosing(FormClosingEventArgs e) {
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| 207 | pictureBox.Enabled = false;
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| 208 | if (backgroundImage != null) backgroundImage.Dispose();
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| 209 | backgroundImage = null;
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| 210 | pictureBox.Image = null;
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| 211 | base.OnClosing(e);
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| 212 | }
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[3647] | 213 | }
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| 214 | }
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