451 lines
18 KiB
C#
451 lines
18 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Windows.Forms.DataVisualization.Charting;
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using System.Collections;
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namespace chartTC
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{
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public delegate void clickEventHandler(Stack name, Stack x, Stack y);
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public partial class chartTC: UserControl
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{
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public chartTC()
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{
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InitializeComponent();
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}
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private void chart1_Click(object sender, EventArgs e)
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{
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}
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private void chartTC_Load(object sender, EventArgs e)
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{
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chart1.Series.Clear();
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//ChartHelper.AddSeries(chart1, "曲线图", SeriesChartType.Line, Color.Red, Color.Red);
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//ChartHelper.SetTitle(chart1, "sif", new Font("微软雅黑", 12), Docking.Bottom, Color.White);
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ChartHelper.SetStyle(chart1, Color.Transparent, Color.White);
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//ChartHelper.SetLegend(chart1, Docking.Top, StringAlignment.Center, Color.Transparent, Color.White);
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//ChartHelper.SetXY(chart1, "波长", "值", StringAlignment.Far, Color.Black, Color.Black, AxisArrowStyle.None/*AxisArrowStyle.SharpTriangle*/, 10, 5);
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ChartHelper.SetMajorGrid(chart1, Color.Gray, 20, 2);
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//chart1.GetToolTipText += new EventHandler<ToolTipEventArgs>(chart_GetToolTipText);//https://bbs.csdn.net/topics/390754014
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chart1.ChartAreas[0].CursorX.Interval = 0;
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chart1.ChartAreas[0].CursorX.IsUserEnabled = true;
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chart1.ChartAreas[0].CursorX.IsUserSelectionEnabled = true;
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}
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void chart_GetToolTipText(object sender, ToolTipEventArgs e)
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{
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if (e.HitTestResult.ChartElementType == ChartElementType.DataPoint)
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{
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int i = e.HitTestResult.PointIndex;
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DataPoint dp = e.HitTestResult.Series.Points[i];
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e.Text = string.Format("{1:F3}", dp.XValue, dp.YValues[0]);
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}
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}
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Point? prevPosition = null;
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ToolTip tooltip = new ToolTip();
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void chart1_MouseMove(object sender, MouseEventArgs e)
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{
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var pos = e.Location;
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if (prevPosition.HasValue && pos == prevPosition.Value)
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return;
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tooltip.RemoveAll();
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prevPosition = pos;
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var results = chart1.HitTest(pos.X, pos.Y, false, ChartElementType.DataPoint);
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//double XVuale = chart1.ChartAreas[0].AxisX.PixelPositionToValue(e.X);
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//chart1.Series[0].
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//tooltip.Show("X=" + prop.AxisLabel + ", Y=" + prop.YValues[0], this.chart1, pos.X, pos.Y - 15);
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foreach (var result in results)
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{
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if (result.ChartElementType == ChartElementType.DataPoint)
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{
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var prop = result.Object as DataPoint;
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if (prop != null)
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{
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var pointXPixel = result.ChartArea.AxisX.ValueToPixelPosition(prop.XValue);
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var pointYPixel = result.ChartArea.AxisY.ValueToPixelPosition(prop.YValues[0]);
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// check if the cursor is really close to the point (2 pixels around the point)
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//if (Math.Abs(pos.X - pointXPixel) < 2 &&
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// Math.Abs(pos.Y - pointYPixel) < 2)
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//{
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// tooltip.Show("X=" + prop.XValue + ", Y=" + prop.YValues[0], this.chart1,
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// pos.X, pos.Y - 15);
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//}
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tooltip.Show("X=" + prop.AxisLabel + ", Y=" + prop.YValues[0], this.chart1, pos.X, pos.Y - 15);
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}
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}
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}
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}
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private void chart_MouseMove(object sender, MouseEventArgs e)
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{
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//labX.Text = e.X.ToString();
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//labY.Text = e.Y.ToString();
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//if (e.HitTestResult.ChartElementType == ChartElementType.DataPoint)
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//{
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// int i = e.HitTestResult.PointIndex;
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// DataPoint dp = e.HitTestResult.Series.Points[i];
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// e.Text = string.Format("{1:F3}", dp.XValue, dp.YValues[0]);
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//}
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//ChartHitInfo hitInfo = chartControl4.CalcHitInfo(e.Location);
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//if (hitInfo.SeriesPoint != null)
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//{
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// MessageBox.Show(hitInfo.SeriesPoint.Values[0].ToString());
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//}
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}
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private void chart_Wave1_MouseMove(object sender, MouseEventArgs e)
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{
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HitTestResult myTestResult = chart1.HitTest(e.X, e.Y);
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if (myTestResult.ChartElementType == ChartElementType.DataPoint)
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{
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this.Cursor = Cursors.Cross;
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int i = myTestResult.PointIndex;
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DataPoint dp = myTestResult.Series.Points[i];
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double doubleXValue = (dp.XValue);
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double doubleYValue = dp.YValues[0];
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//自我实现值的显示
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MessageBox.Show(doubleYValue.ToString());
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}
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else
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{
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this.Cursor = Cursors.Default;
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}
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}
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public event clickEventHandler clickPointEvent;
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private void chart1_MouseClick(object sender, MouseEventArgs e)
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{
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if (chart1.Series.Count == 0)
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return;
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if (e.Button == MouseButtons.Left)
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{
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//var collection = chart1.Series.Select(series => series.Points.Where(point => point.XValue == 0).ToList()).ToList();//????????????????????????????????????????????????????????
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//chart1.Series.ElementAt
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////方式1：遍历x坐标处的所有y坐标
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//var pos = e.Location;
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//var yAxis = chart1.ChartAreas[0].AxisY;
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//int yMin = (int)yAxis.ValueToPixelPosition(yAxis.Maximum) - 1;
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//int yMax = (int)yAxis.ValueToPixelPosition(yAxis.Minimum);
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//for (int i = yMin; i < yMax + 1; i++)
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//{
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// var results = chart1.HitTest(pos.X, pos.Y, true, ChartElementType.DataPoint);
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// foreach (var result in results)
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// {
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// if (result.ChartElementType == ChartElementType.DataPoint)
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// {
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// var prop = result.Object as DataPoint;
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// if (prop != null)
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// {
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// var pointXPixel = result.ChartArea.AxisX.ValueToPixelPosition(prop.XValue);
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// var pointYPixel = result.ChartArea.AxisY.ValueToPixelPosition(prop.YValues[0]);
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// int b = 1;
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// }
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// }
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// }
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//}
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//方式2：
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double cursorPos = chart1.ChartAreas[0].CursorX.Position;
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var xAxis = chart1.ChartAreas[0].AxisX;
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double XVuale1 = chart1.ChartAreas[0].AxisX.ValueToPixelPosition(e.X);
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double XVuale2 = chart1.ChartAreas[0].AxisX.GetPosition(e.X);
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double XVuale3 = Math.Round(chart1.ChartAreas[0].AxisX.PixelPositionToValue(e.X));
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if (XVuale3-1 < xAxis.Minimum)//XVuale3-1：因为在chart上绘制的曲线的第一个点的x坐标为1而不是0；
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XVuale3 = 1;
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else if (chart1.Series[0].Points.Count - 1 < XVuale3 - 1)
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XVuale3= chart1.Series[0].Points.Count;
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chart1.ChartAreas[0].CursorX.Position = XVuale3;
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Stack name = new Stack();
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Stack x = new Stack();
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Stack y = new Stack();
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for (int i = 0; i < chart1.Series.Count; i++)
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{
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DataPoint p1 = chart1.Series[i].Points.ElementAt((int)XVuale3 - 1);
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name.Push(chart1.Series[i].Name);
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x.Push(p1.AxisLabel);
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y.Push(p1.YValues[0]);
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}
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if(clickPointEvent != null)
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clickPointEvent(name, x, y);
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}
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else if (e.Button == MouseButtons.Right)
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{
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contextMenuStrip1.Show(chart1, e.X, e.Y);
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}
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}
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private double calcCursorGraphX(int clientX)
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{
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var xAxis = chart1.ChartAreas[0].AxisX;
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int xRight = (int)xAxis.ValueToPixelPosition(xAxis.Maximum) - 1;
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int xLeft = (int)xAxis.ValueToPixelPosition(xAxis.Minimum);
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if (clientX > xRight)
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{
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return xAxis.Maximum;
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}
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else if (clientX < xLeft)
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{
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return xAxis.Minimum;
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}
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else
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{
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return xAxis.PixelPositionToValue(clientX);
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}
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}
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//private int nearestPreceedingValue(double x)
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//{
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// var bpData = chart1.Series[0].Points;
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// int bpIndex = bpData.BinarySearch(x, (xVal, point) => Math.Sign(x - point.XValue));
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// if (bpIndex < 0)
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// {
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// bpIndex = ~bpIndex; // BinarySearch() returns the index of the next element LARGER than the target.
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// bpIndex = Math.Max(0, bpIndex - 1); // We want the value of the previous element, so we must decrement the returned index.
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// } // If this is before the start of the graph, use the first valid data point.
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// return bpIndex;
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//}
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private void clearAllToolStripMenuItem_Click(object sender, EventArgs e)
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{
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chart1.Series.Clear();
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}
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public void clearAll()
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{
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chart1.Series.Clear();
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}
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private Color ss()
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{
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int iSeed = 10;
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Random ro = new Random(10);
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long tick = DateTime.Now.Ticks;
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Random ran = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
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int R = ran.Next(255);
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int G = ran.Next(255);
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int B = ran.Next(255);
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B = (R + G > 400) ? R + G - 400 : B;//0 : 380 - R - G;
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B = (B > 255) ? 255 : B;
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return Color.FromArgb(R, G, B);
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//return or.FromArgb(random.Next(255), random.Next(255), random.Next(255));
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}
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public Color GetRandomColor()
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{
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Random RandomNum_First = new Random((int)DateTime.Now.Ticks);
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// 对于C#的随机数，没什么好说的
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System.Threading.Thread.Sleep(RandomNum_First.Next(50));
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Random RandomNum_Sencond = new Random((int)DateTime.Now.Ticks);
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// 为了在白色背景上显示，尽量生成深色
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int int_Red = RandomNum_First.Next(256);
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int int_Green = RandomNum_Sencond.Next(256);
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int int_Blue = (int_Red + int_Green > 400) ? 0 : 400 - int_Red - int_Green;
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int_Blue = (int_Blue > 255) ? 255 : int_Blue;
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return Color.FromArgb(int_Red, int_Green, int_Blue);
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}
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public void addSeries(string[] x, double[] y,string name)
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{
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int count = chart1.Series.Count;
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//ChartHelper.AddSeries(chart1, name, SeriesChartType.Line, Color.Green, Color.Red, false);
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//ChartHelper.AddSeries(chart1, name, SeriesChartType.Line, ss(), ss(), false);
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ChartHelper.AddSeries(chart1, name, SeriesChartType.Line, GetRandomColor(), GetRandomColor(), false);
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chart1.Series[count].Points.DataBindXY(x, y);
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//chart1.Series[count].Points.DataBindY(y);
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}
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private void chart1_MouseDoubleClick(object sender, MouseEventArgs e)
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{
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//Chart chart1 = sender as Chart;
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//右键恢复事件
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if (e.Button == MouseButtons.Left)
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{
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chart1.ChartAreas[0].AxisX.ScaleView.ZoomReset(0);
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}
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}
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}
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//https://blog.csdn.net/boxuming/article/details/89678159?spm=1001.2101.3001.6650.4&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-4.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-4.pc_relevant_default&utm_relevant_index=9
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public class ChartHelper
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{
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/// <summary>
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/// Name：添加序列
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/// Author：by boxuming 2019-04-28 13:59
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="seriesName">序列名称</param>
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/// <param name="chartType">图表类型</param>
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/// <param name="color">颜色</param>
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/// <param name="markColor">标记点颜色</param>
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/// <param name="showValue">是否显示数值</param>
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public static void AddSeries(Chart chart, string seriesName, SeriesChartType chartType, Color color, Color markColor, bool showValue = false)
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{
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chart.Series.Add(seriesName);
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chart.Series[seriesName].ChartType = chartType;
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chart.Series[seriesName].Color = color;
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if (showValue)
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{
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chart.Series[seriesName].IsValueShownAsLabel = true;
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chart.Series[seriesName].MarkerStyle = MarkerStyle.Circle;
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chart.Series[seriesName].MarkerColor = markColor;
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chart.Series[seriesName].LabelForeColor = color;
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chart.Series[seriesName].LabelAngle = -90;
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}
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}
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/// <summary>
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/// Name：设置标题
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/// Author：by boxuming 2019-04-28 14:25
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="chartName">图表名称</param>
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public static void SetTitle(Chart chart, string chartName, Font font, Docking docking, Color foreColor)
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{
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chart.Titles.Add(chartName);
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chart.Titles[0].Font = font;
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chart.Titles[0].Docking = docking;
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chart.Titles[0].ForeColor = foreColor;
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}
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/// <summary>
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/// Name：设置样式
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/// Author：by boxuming 2019-04-23 14:04
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="backColor">背景颜色</param>
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/// <param name="foreColor">字体颜色</param>
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public static void SetStyle(Chart chart, Color backColor, Color foreColor)
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{
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chart.BackColor = backColor;
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chart.ChartAreas[0].BackColor = backColor;
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chart.ForeColor = Color.Red;
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}
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/// <summary>
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/// Name：设置图例
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/// Author：by boxuming 2019-04-23 14:30
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="docking">停靠位置</param>
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/// <param name="align">对齐方式</param>
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/// <param name="backColor">背景颜色</param>
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/// <param name="foreColor">字体颜色</param>
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public static void SetLegend(Chart chart, Docking docking, StringAlignment align, Color backColor, Color foreColor)
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{
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chart.Legends[0].Docking = docking;
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chart.Legends[0].Alignment = align;
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chart.Legends[0].BackColor = backColor;
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chart.Legends[0].ForeColor = foreColor;
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}
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/// <summary>
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/// Name：设置XY轴
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/// Author：by boxuming 2019-04-23 14:35
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="xTitle">X轴标题</param>
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/// <param name="yTitle">Y轴标题</param>
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/// <param name="align">坐标轴标题对齐方式</param>
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/// <param name="foreColor">坐标轴字体颜色</param>
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/// <param name="lineColor">坐标轴颜色</param>
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/// <param name="arrowStyle">坐标轴箭头样式</param>
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/// <param name="xInterval">X轴的间距</param>
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/// <param name="yInterval">Y轴的间距</param>
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public static void SetXY(Chart chart, string xTitle, string yTitle, StringAlignment align, Color foreColor, Color lineColor, AxisArrowStyle arrowStyle, double xInterval, double yInterval)
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{
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chart.ChartAreas[0].AxisX.Title = xTitle;
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chart.ChartAreas[0].AxisY.Title = yTitle;
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chart.ChartAreas[0].AxisX.TitleAlignment = align;
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chart.ChartAreas[0].AxisY.TitleAlignment = align;
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chart.ChartAreas[0].AxisX.TitleForeColor = foreColor;
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chart.ChartAreas[0].AxisY.TitleForeColor = foreColor;
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chart.ChartAreas[0].AxisX.LabelStyle = new LabelStyle() { ForeColor = foreColor };
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chart.ChartAreas[0].AxisY.LabelStyle = new LabelStyle() { ForeColor = foreColor };
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chart.ChartAreas[0].AxisX.LineColor = lineColor;
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chart.ChartAreas[0].AxisY.LineColor = lineColor;
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chart.ChartAreas[0].AxisX.ArrowStyle = arrowStyle;
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chart.ChartAreas[0].AxisY.ArrowStyle = arrowStyle;
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//chart.ChartAreas[0].AxisX.Interval = xInterval;
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//chart.ChartAreas[0].AxisY.Interval = yInterval;
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chart.ChartAreas[0].AxisY.IsStartedFromZero = false;
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}
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/// <summary>
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/// Name：设置网格
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/// Author：by boxuming 2019-04-23 14:55
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="lineColor">网格线颜色</param>
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/// <param name="xInterval">X轴网格的间距</param>
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/// <param name="yInterval">Y轴网格的间距</param>
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public static void SetMajorGrid(Chart chart, Color lineColor, double xInterval, double yInterval)
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{
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chart.ChartAreas[0].AxisX.MajorGrid.LineColor = lineColor;
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chart.ChartAreas[0].AxisY.MajorGrid.LineColor = lineColor;
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chart.ChartAreas[0].AxisX.MajorGrid.Interval = xInterval;
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chart.ChartAreas[0].AxisY.MajorGrid.Interval = yInterval;
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}
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}
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}
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