1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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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.Collections.Generic;
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24 | using System.ComponentModel;
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25 | using System.Drawing;
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26 | using System.Drawing.Imaging;
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27 | using System.Linq;
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28 | using System.Windows.Forms;
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29 |
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30 | namespace HeuristicLab.Visualization {
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31 | public partial class ChartControl : UserControl {
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32 | protected Bitmap Picture;
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33 | protected bool RenderingRequired;
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34 | protected Dictionary<Type, ChartMode> Modes = new Dictionary<Type, ChartMode>();
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35 |
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36 | protected bool SuppressEvents { get; set; }
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37 | private bool SuppressRender { get; set; }
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38 |
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39 | public PictureBox PictureBox { get { return pictureBox; } }
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40 |
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41 | public Color BackgroundColor {
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42 | get { return chart != null ? chart.BackgroundColor : Color.Empty; }
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43 | set {
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44 | if (chart == null || chart.BackgroundColor == value) return;
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45 | chart.BackgroundColor = value;
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46 | }
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47 | }
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48 |
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49 | private IChart chart;
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50 | public IChart Chart {
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51 | get { return chart; }
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52 | protected set {
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53 | if (chart != null) DeregisterChartEvents(chart);
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54 | chart = value;
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55 | chart.Enabled = Enabled;
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56 | pictureBox.Enabled = Enabled;
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57 | if (chart != null) RegisterChartEvents(chart);
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58 | }
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59 | }
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60 |
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61 | private ChartMode mode;
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62 | public ChartMode Mode {
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63 | get { return mode; }
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64 | set {
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65 | if (mode == value) return;
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66 | mode = value;
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67 | SetButtonCheckedSate();
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68 | SetPictureBoxCursor(GetPictureBoxCursor());
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69 | OnModeChanged();
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70 | if (chart != null) {
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71 | GenerateImage();
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72 | }
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73 | }
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74 | }
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75 |
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76 | public bool ScaleOnResize { get; set; }
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77 |
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78 | public bool IsRenderingPaused { get { return SuppressRender; } }
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79 |
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80 | public ChartControl() : this(null) { }
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81 | public ChartControl(IChart defaultChart) {
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82 | InitializeComponent();
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83 | ScaleOnResize = true;
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84 | Chart = defaultChart ?? new Chart(0, 0, Width, Height);
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85 | }
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86 |
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87 | public void AddChartModes(params ChartMode[] chartModes) {
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88 | foreach (var chartMode in chartModes)
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89 | Modes.Add(chartMode.GetType(), chartMode);
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90 |
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91 | RebuildButtonPanel();
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92 | }
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93 |
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94 | protected virtual void RebuildButtonPanel() {
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95 | buttonPanel.Controls.Clear();
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96 |
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97 | int locationY = 3;
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98 | foreach (var chartMode in Modes.Values) {
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99 | var rb = CreateChartModeRadioButton(chartMode);
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100 | rb.Location = new Point(3, locationY);
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101 | toolTip.SetToolTip(rb, chartMode.ToolTip);
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102 | buttonPanel.Controls.Add(rb);
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103 | locationY += rb.Height + rb.Margin.Vertical;
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104 | }
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105 | }
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106 |
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107 | public void SuspendRendering() {
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108 | SuppressRender = true;
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109 | }
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110 |
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111 | public void ResumeRendering() {
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112 | SuppressRender = false;
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113 | if (Chart != null) GenerateImage();
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114 | }
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115 |
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116 | protected virtual void SetButtonCheckedSate() {
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117 | foreach (var rb in buttonPanel.Controls.OfType<RadioButton>())
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118 | rb.Checked = rb.Tag == Mode;
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119 | }
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120 |
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121 | protected virtual void SetPictureBoxCursor(Cursor cursor) {
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122 | if (pictureBox.Cursor != cursor) pictureBox.Cursor = cursor;
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123 | }
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124 |
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125 | protected virtual Cursor GetPictureBoxCursor() {
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126 | if (mode == null) return null;
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127 |
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128 | return mode.Cursor;
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129 | }
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130 |
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131 | protected virtual void RegisterChartEvents(IChart chart) {
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132 | chart.RedrawRequired += ChartOnUpdateRequired;
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133 | }
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134 |
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135 | protected virtual void DeregisterChartEvents(IChart chart) {
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136 | chart.RedrawRequired -= ChartOnUpdateRequired;
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137 | }
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138 |
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139 | protected virtual void ChartOnUpdateRequired(object sender, EventArgs e) {
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140 | if (SuppressRender) return;
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141 | GenerateImage();
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142 | }
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143 |
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144 | #region PictureBox Events
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145 | protected virtual void PictureBoxOnSizeChanged(object sender, EventArgs e) {
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146 | if (Chart == null) return;
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147 | if (ScaleOnResize) {
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148 | if ((pictureBox.Width > 0) && (pictureBox.Height > 0) && (Chart != null)) {
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149 | var point = Chart.TransformPixelToWorld(new Point(pictureBox.Width, Chart.SizeInPixels.Height - pictureBox.Height));
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150 | var diff = Chart.UpperRight - point;
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151 | Chart.SetPosition(new PointD(Chart.LowerLeft.X + (diff.DX / 2.0), Chart.LowerLeft.Y + (diff.DY / 2.0)),
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152 | new PointD(Chart.UpperRight.X - (diff.DX / 2.0), Chart.UpperRight.Y - (diff.DY / 2.0)));
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153 | }
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154 | }
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155 | GenerateImage();
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156 | }
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157 |
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158 | protected virtual void PictureBoxOnVisibleChanged(object sender, EventArgs e) {
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159 | if (pictureBox.Visible && RenderingRequired) GenerateImage();
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160 | }
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161 |
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162 | protected virtual void PictureBoxOnMouseClick(object sender, MouseEventArgs e) {
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163 | if (mode == null) return;
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164 | mode.HandleOnMouseClick(sender, e);
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165 | }
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166 |
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167 | protected virtual void PictureBoxOnMouseDoubleClick(object sender, MouseEventArgs e) {
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168 | if (mode == null) return;
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169 | mode.HandleOnMouseDoubleClick(sender, e);
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170 | }
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171 |
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172 | protected virtual void OnKeyDown(object sender, KeyEventArgs e) {
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173 | if (mode == null) return;
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174 | mode.HandleOnKeyDown(sender, e);
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175 | }
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176 |
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177 | protected virtual void OnKeyUp(object sender, KeyEventArgs e) {
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178 | if (mode == null) return;
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179 | mode.HandleOnKeyUp(sender, e);
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180 | }
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181 |
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182 | protected virtual void PictureBoxOnMouseWheel(object sender, MouseEventArgs e) {
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183 | if (mode == null) return;
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184 | mode.HandleOnMouseWheel(sender, e);
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185 | }
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186 |
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187 | protected virtual void PictureBoxOnMouseDown(object sender, MouseEventArgs e) {
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188 | if (mode == null) return;
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189 | mode.HandleOnMouseDown(sender, e);
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190 | }
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191 |
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192 | protected virtual void PictureBoxOnMouseUp(object sender, MouseEventArgs e) {
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193 | if (mode == null) return;
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194 | mode.HandleOnMouseUp(sender, e);
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195 |
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196 | if (Chart == null) return;
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197 |
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198 | if (e.Button == MouseButtons.Right) {
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199 | propertiesToolStripMenuItem.Enabled = Chart.Group.SelectedPrimitives.Count() == 1;
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200 | oneLayerUpToolStripMenuItem.Enabled = Chart.Group.SelectedPrimitives.Count() == 1;
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201 | oneLayerDownToolStripMenuItem.Enabled = Chart.Group.SelectedPrimitives.Count() == 1;
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202 | intoForegroundToolStripMenuItem.Enabled = Chart.Group.SelectedPrimitives.Count() == 1;
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203 | intoBackgroundToolStripMenuItem.Enabled = Chart.Group.SelectedPrimitives.Count() == 1;
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204 | }
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205 | }
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206 |
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207 | protected virtual void PictureBoxOnMouseMove(object sender, MouseEventArgs e) {
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208 | if (InvokeRequired) {
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209 | Invoke((Action<object, MouseEventArgs>)PictureBoxOnMouseMove, sender, e);
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210 | } else {
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211 | var toolTipText = Chart.GetToolTipText(e.Location);
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212 | if (toolTip.GetToolTip(pictureBox) != toolTipText) toolTip.SetToolTip(pictureBox, toolTipText);
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213 |
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214 | if (mode == null) return;
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215 |
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216 | mode.HandleOnMouseMove(sender, e);
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217 |
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218 | SetPictureBoxCursor(mode.Cursor);
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219 | }
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220 | }
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221 |
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222 | protected virtual void PictureBoxOnMouseEnter(object sender, EventArgs e) {
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223 | if (InvokeRequired) {
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224 | Invoke((Action<object, MouseEventArgs>)PictureBoxOnMouseEnter, sender, e);
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225 | return;
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226 | }
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227 | if (!Focused) this.pictureBox.Focus();
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228 |
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229 | if (mode == null) return;
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230 |
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231 | mode.HandleOnMouseEnter(sender, e);
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232 | }
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233 |
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234 | protected virtual void PictureBoxOnMouseLeave(object sender, EventArgs e) {
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235 | if (mode == null) return;
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236 | mode.HandleOnMouseLeave(sender, e);
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237 | }
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238 |
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239 | protected virtual void PictureBoxOnClick(object sender, EventArgs e) {
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240 | if (InvokeRequired) {
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241 | Invoke((Action<Object, MouseEventArgs>)PictureBoxOnClick, sender, e);
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242 | return;
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243 | }
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244 | if (!Focused) this.pictureBox.Focus();
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245 |
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246 | if (mode == null) return;
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247 |
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248 | mode.HandleOnClick(sender, e);
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249 | }
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250 | #endregion
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251 |
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252 | protected virtual void PictureBoxContextMenuStripOnOpening(object sender, CancelEventArgs e) { }
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253 |
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254 | protected virtual void oneLayerUpToolStripMenuItem_Click(object sender, EventArgs e) {
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255 | if (Chart == null) return;
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256 | if (Chart.Group.SelectedPrimitives.Count() == 1) {
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257 | Chart.OneLayerUp(Chart.Group.SelectedPrimitives.First());
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258 | }
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259 | }
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260 | protected virtual void oneLayerDownToolStripMenuItem_Click(object sender, EventArgs e) {
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261 | if (Chart == null) return;
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262 | if (Chart.Group.SelectedPrimitives.Count() == 1) {
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263 | Chart.OneLayerDown(Chart.Group.SelectedPrimitives.First());
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264 | }
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265 | }
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266 | protected virtual void intoForegroundToolStripMenuItem_Click(object sender, EventArgs e) {
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267 | if (Chart == null) return;
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268 | if (Chart.Group.SelectedPrimitives.Count() == 1) {
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269 | Chart.IntoForeground(Chart.Group.SelectedPrimitives.First());
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270 | }
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271 | }
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272 | protected virtual void intoBackgroundToolStripMenuItem_Click(object sender, EventArgs e) {
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273 | if (Chart == null) return;
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274 | if (Chart.Group.SelectedPrimitives.Count() == 1) {
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275 | Chart.IntoBackground(Chart.Group.SelectedPrimitives.First());
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276 | }
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277 | }
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278 | protected virtual void propertiesToolStripMenuItem_Click(object sender, EventArgs e) {
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279 | if (Chart == null) return;
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280 | if (Chart.Group.SelectedPrimitives.Count() == 1) {
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281 | using (var dialog = new PropertiesDialog(Chart.Group.SelectedPrimitives.First())) {
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282 | dialog.ShowDialog(this);
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283 | }
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284 | }
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285 | }
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286 | protected virtual void saveImageToolStripMenuItem_Click(object sender, EventArgs e) {
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287 | if (Picture == null) return;
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288 |
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289 | if (saveFileDialog.ShowDialog() == DialogResult.OK) {
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290 | var format = ImageFormat.Bmp;
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291 | var filename = saveFileDialog.FileName.ToLower();
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292 | if (filename.EndsWith("emf")) {
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293 | using (var g1 = Graphics.FromImage(Picture)) {
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294 | var rectangle = new System.Drawing.Rectangle(0, 0, Picture.Width, Picture.Height);
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295 | using (var metafile = new Metafile(filename, g1.GetHdc(), rectangle, MetafileFrameUnit.Pixel, EmfType.EmfPlusDual))
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296 | using (var g2 = Graphics.FromImage(metafile))
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297 | Chart.Render(g2, pictureBox.Width, pictureBox.Height);
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298 | }
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299 | } else {
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300 | using (var graphics = Graphics.FromImage(Picture))
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301 | Chart.Render(graphics, Picture.Width, Picture.Height);
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302 |
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303 | if (filename.EndsWith("jpg")) {
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304 | format = ImageFormat.Jpeg;
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305 | } else if (filename.EndsWith("gif")) {
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306 | format = ImageFormat.Gif;
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307 | } else if (filename.EndsWith("png")) {
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308 | format = ImageFormat.Png;
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309 | } else if (filename.EndsWith("tif")) {
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310 | format = ImageFormat.Tiff;
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311 | }
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312 |
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313 | Picture.Save(saveFileDialog.FileName, format);
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314 | }
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315 | }
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316 | }
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317 |
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318 | protected virtual void GenerateImage() {
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319 | if (InvokeRequired) {
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320 | Invoke((Action)GenerateImage);
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321 | return;
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322 | }
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323 | if (!Visible) {
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324 | RenderingRequired = true;
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325 | } else {
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326 | if ((pictureBox.Width == 0) || (pictureBox.Height == 0)) {
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327 | pictureBox.Image = pictureBox.ErrorImage;
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328 | if (Picture != null) Picture.Dispose();
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329 | Picture = null;
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330 | } else {
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331 | if (Picture != null) Picture.Dispose();
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332 | Picture = new Bitmap(pictureBox.Width, pictureBox.Height);
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333 | using (var graphics = Graphics.FromImage(Picture)) {
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334 | graphics.SetClip(new System.Drawing.Rectangle(0, 0, pictureBox.Width, pictureBox.Height));
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335 | Chart.Render(graphics, pictureBox.Width, pictureBox.Height);
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336 | }
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337 | }
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338 | pictureBox.Image = Picture;
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339 | RenderingRequired = false;
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340 | }
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341 | }
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342 |
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343 | public event EventHandler ModeChanged;
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344 | protected void OnModeChanged() {
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345 | var handler = ModeChanged;
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346 | if (handler != null) handler(this, EventArgs.Empty);
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347 | }
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348 |
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349 | private void ChartControl_Load(object sender, EventArgs e) {
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350 | if (!SuppressRender) GenerateImage();
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351 | }
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352 |
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353 | #region Helpers
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354 | private RadioButton CreateChartModeRadioButton(ChartMode chartMode) {
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355 | var rb = new RadioButton {
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356 | Appearance = Appearance.Button,
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357 | Image = chartMode.Image,
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358 | Size = new Size(24, 24),
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359 | TabStop = true,
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360 | Tag = chartMode,
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361 | UseVisualStyleBackColor = true
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362 | };
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363 |
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364 | rb.CheckedChanged += (sender, args) => { if (rb.Checked) Mode = chartMode; };
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365 |
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366 | return rb;
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367 | }
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368 | #endregion
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369 | }
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370 | }
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