[4614] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[5445] | 3 | * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[4614] | 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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[4636] | 22 | using System;
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[4621] | 23 | using System.ComponentModel;
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[4614] | 24 | using System.Drawing;
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| 25 | using System.Windows.Forms;
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| 26 | using System.Windows.Forms.DataVisualization.Charting;
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[4637] | 27 |
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[4614] | 28 | namespace HeuristicLab.Visualization.ChartControlsExtensions {
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| 29 | public partial class EnhancedChart : Chart {
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| 30 | public EnhancedChart()
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| 31 | : base() {
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[4628] | 32 | InitializeComponent();
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[4621] | 33 | EnableDoubleClickResetsZoom = true;
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| 34 | EnableMiddleClickPanning = true;
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[4636] | 35 | CustomizeAllChartAreas();
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[4614] | 36 | }
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| 37 |
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[4621] | 38 | [DefaultValue(true)]
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| 39 | public bool EnableDoubleClickResetsZoom { get; set; }
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| 40 | [DefaultValue(true)]
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| 41 | public bool EnableMiddleClickPanning { get; set; }
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[6010] | 42 | [DefaultValue(false)]
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| 43 | public bool ShowPropertiesContextMenuItem { get; set; }
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[4621] | 44 |
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[4636] | 45 | public static void CustomizeChartArea(ChartArea chartArea) {
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| 46 | foreach (Axis axis in chartArea.Axes) {
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| 47 | axis.MajorGrid.LineColor = SystemColors.GradientInactiveCaption;
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| 48 | axis.MajorTickMark.TickMarkStyle = TickMarkStyle.AcrossAxis;
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| 49 | axis.ScrollBar.BackColor = Color.Transparent;
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[4637] | 50 | axis.ScrollBar.LineColor = Color.Gray;
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[4636] | 51 | axis.ScrollBar.ButtonColor = SystemColors.GradientInactiveCaption;
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[4637] | 52 | axis.ScrollBar.ButtonStyle = ScrollBarButtonStyles.All;
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[4636] | 53 | axis.ScrollBar.Size = 12;
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| 54 | axis.TitleFont = new Font(axis.TitleFont.FontFamily, 10);
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| 55 | }
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| 56 | chartArea.CursorX.IsUserSelectionEnabled = true;
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| 57 | chartArea.CursorY.IsUserSelectionEnabled = true;
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| 58 | chartArea.CursorX.IsUserEnabled = false;
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| 59 | chartArea.CursorY.IsUserEnabled = false;
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[4637] | 60 | chartArea.CursorX.SelectionColor = Color.Gray;
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| 61 | chartArea.CursorY.SelectionColor = Color.Gray;
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[4636] | 62 | }
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| 63 |
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| 64 | public void CustomizeAllChartAreas() {
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[4635] | 65 | foreach (ChartArea chartArea in ChartAreas) {
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[4636] | 66 | CustomizeChartArea(chartArea);
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[4635] | 67 | }
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[4621] | 68 | }
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| 69 |
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[4637] | 70 | #region Mouse Event Ehancements
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[4621] | 71 | protected override void OnMouseDoubleClick(MouseEventArgs e) {
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| 72 | if (EnableDoubleClickResetsZoom) {
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| 73 | HitTestResult result = HitTest(e.X, e.Y);
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[4637] | 74 | if (result.ChartArea != null && (result.ChartElementType == ChartElementType.PlottingArea || result.ChartElementType == ChartElementType.Gridlines)) {
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[4621] | 75 | foreach (var axis in result.ChartArea.Axes)
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[4630] | 76 | axis.ScaleView.ZoomReset(int.MaxValue);
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[4621] | 77 | }
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| 78 | }
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| 79 | base.OnMouseDoubleClick(e);
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| 80 | }
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| 81 |
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[4637] | 82 | #region Panning
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[4621] | 83 | private class PanningSupport {
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| 84 | public ChartArea ChartArea { get; private set; }
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| 85 |
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| 86 | private Point PixelStartPosition;
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| 87 | private PointF ChartStartPosition;
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| 88 |
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| 89 | public PanningSupport(Point pixelStartPos, ChartArea chartArea, Size size) {
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| 90 | PixelStartPosition = pixelStartPos;
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| 91 | ChartArea = chartArea;
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| 92 | ChartStartPosition = new PointF(
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| 93 | (float)chartArea.AxisX.ScaleView.Position,
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| 94 | (float)chartArea.AxisY.ScaleView.Position);
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| 95 | }
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| 96 |
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[4638] | 97 | public double ChartX(double pixelX, int width) {
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[4654] | 98 | return ChartStartPosition.X - (pixelX - PixelStartPosition.X) *
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[4638] | 99 | (ChartArea.AxisX.ScaleView.ViewMaximum - ChartArea.AxisX.ScaleView.ViewMinimum) /
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| 100 | (width * ChartArea.Position.Width * ChartArea.InnerPlotPosition.Width / 100 / 100);
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[4621] | 101 | }
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[4638] | 102 | public double ChartY(double pixelY, int height) {
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[4654] | 103 | return ChartStartPosition.Y + (pixelY - PixelStartPosition.Y) *
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[4638] | 104 | (ChartArea.AxisY.ScaleView.ViewMaximum - ChartArea.AxisY.ScaleView.ViewMinimum) /
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| 105 | (height * ChartArea.Position.Height * ChartArea.InnerPlotPosition.Height / 100 / 100);
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[4621] | 106 | }
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| 107 | }
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| 108 |
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| 109 | private PanningSupport panning = null;
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| 110 |
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| 111 | protected override void OnMouseDown(MouseEventArgs e) {
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| 112 | if (EnableMiddleClickPanning && e.Button == MouseButtons.Middle) {
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| 113 | HitTestResult result = HitTest(e.X, e.Y);
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| 114 | if (result.ChartArea != null)
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| 115 | panning = new PanningSupport(e.Location, result.ChartArea, Size);
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| 116 | }
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| 117 | base.OnMouseDown(e);
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| 118 | }
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| 119 |
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| 120 | protected override void OnMouseUp(MouseEventArgs e) {
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| 121 | if (e.Button == MouseButtons.Middle && panning != null)
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| 122 | panning = null;
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| 123 | base.OnMouseUp(e);
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| 124 | }
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| 125 |
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| 126 | protected override void OnMouseMove(MouseEventArgs e) {
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| 127 | if (panning != null) {
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[4638] | 128 | double x = panning.ChartX(e.Location.X, Width);
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| 129 | double y = panning.ChartY(e.Location.Y, Height);
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[4636] | 130 | if (panning.ChartArea.CursorX.Interval > 0) {
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[4646] | 131 | x = Math.Round(x / panning.ChartArea.CursorX.Interval) * panning.ChartArea.CursorX.Interval;
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| 132 | y = Math.Round(y / panning.ChartArea.CursorY.Interval) * panning.ChartArea.CursorY.Interval;
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[4636] | 133 | }
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| 134 | panning.ChartArea.AxisX.ScaleView.Scroll(x);
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| 135 | panning.ChartArea.AxisY.ScaleView.Scroll(y);
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[4621] | 136 | }
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| 137 | base.OnMouseMove(e);
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| 138 | }
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| 139 | #endregion
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| 140 | #endregion
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| 141 |
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[6010] | 142 | private void contextMenuStrip_Opening(object sender, CancelEventArgs e) {
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| 143 | propertiesToolStripSeparator.Visible = ShowPropertiesContextMenuItem;
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| 144 | propertiesToolStripMenuItem.Visible = ShowPropertiesContextMenuItem;
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| 145 | }
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| 146 |
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[4654] | 147 | private void exportChartToolStripMenuItem_Click(object sender, System.EventArgs e) {
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[4614] | 148 | // Set image file format
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| 149 | if (saveFileDialog.ShowDialog() == DialogResult.OK) {
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| 150 | ChartImageFormat format = ChartImageFormat.Bmp;
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[4621] | 151 | string filename = saveFileDialog.FileName.ToLower();
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| 152 | if (filename.EndsWith("bmp")) {
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[4614] | 153 | format = ChartImageFormat.Bmp;
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[4621] | 154 | } else if (filename.EndsWith("jpg")) {
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[4614] | 155 | format = ChartImageFormat.Jpeg;
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[4621] | 156 | } else if (filename.EndsWith("emf")) {
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[4614] | 157 | format = ChartImageFormat.EmfDual;
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[4621] | 158 | } else if (filename.EndsWith("gif")) {
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[4614] | 159 | format = ChartImageFormat.Gif;
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[4621] | 160 | } else if (filename.EndsWith("png")) {
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[4614] | 161 | format = ChartImageFormat.Png;
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[4621] | 162 | } else if (filename.EndsWith("tif")) {
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[4614] | 163 | format = ChartImageFormat.Tiff;
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| 164 | }
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| 165 |
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| 166 | // Save image
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| 167 | SaveImage(saveFileDialog.FileName, format);
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| 168 | }
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| 169 | }
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| 170 |
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[4628] | 171 | private void copyImageToClipboardBitmapToolStripMenuItem_Click(object sender, System.EventArgs e) {
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[4614] | 172 | System.IO.MemoryStream stream = new System.IO.MemoryStream();
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| 173 | SaveImage(stream, System.Drawing.Imaging.ImageFormat.Bmp);
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| 174 | Bitmap bmp = new Bitmap(stream);
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| 175 | Clipboard.SetDataObject(bmp);
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| 176 | }
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[6010] | 177 |
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| 178 | private void propertiesToolStripMenuItem_Click(object sender, EventArgs e) {
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| 179 | OnPropertiesClicked();
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| 180 | }
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| 181 |
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| 182 | public event EventHandler PropertiesClicked;
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| 183 | private void OnPropertiesClicked() {
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| 184 | var handler = PropertiesClicked;
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| 185 | if (handler != null) handler(this, EventArgs.Empty);
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| 186 | }
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[4614] | 187 | }
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| 188 | }
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