void DrawTrackBallToolTip(Graphics g, Syncfusion.Windows.Forms.Chart.ChartPoint pt)
{
Point location = Point.Empty;
foreach (ChartSeries series in this.chartControl1.Series)
{
for (int i = 0; i < series.Points.Count; i++)
{
if (pt.X == series.Points[i].X)
{
location = this.chartControl1.ChartArea.GetPointByValue(series.Points[i]);
TrackBallInfo.SymbolColor.Color = series.Style.Interior.BackColor;
TrackBallInfo.SymbolSize = new System.Drawing.Size(10, 10);
string toolTipText = null;
if (series.Name.Equals("Temp"))
{
toolTipText = (series.Points[i].YValues[0] + 50) + "°" + " F" + "/" + (series.Points[i].YValues[0] + 75) + (Char)176;
DrawToolTip(g, location, toolTipText, TrackBallInfo.SymbolColor.Color);
}
else if (series.Name.Equals("RR"))
{
toolTipText = (series.Points[i].YValues[0] - 10).ToString();
DrawToolTip(g, location, toolTipText, TrackBallInfo.SymbolColor.Color);
}
else if (!(series.Name.Equals("HR")))
{
toolTipText = (series.Points[i].YValues[0] - 80).ToString();
DrawToolTip(g, location, toolTipText, TrackBallInfo.SymbolColor.Color);
}
DrawAxisLabelToolTip(g, location, series.Points[i].DateX.ToString("hh:mm:ss \n MM/dd"));
break;
}
}
}
}
private void unwantedpanel_Paint(object sender, PaintEventArgs e)
{
var range = this.chartControl1.PrimaryXAxis.Range;
var yRange = this.chartControl1.PrimaryYAxis.Range;
var area = this.chartControl1.ChartArea;
e.Graphics.Clear(Color.White);
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
var text = new string[] { "Sat", "RR", "HR", "TP" };
int radius = (int)DpiAware.LogicalToDeviceUnits(32);
var circleSize = new Size(radius, radius);
var startPoint = new Syncfusion.Windows.Forms.Chart.ChartPoint(range.Min, yRange.Min);
var endPoint = new Syncfusion.Windows.Forms.Chart.ChartPoint(range.Min, yRange.Min + yRange.Max);
var dHeight = Math.Abs(area.GetPointByValue(startPoint).Y - area.GetPointByValue(new Syncfusion.Windows.Forms.Chart.ChartPoint(startPoint.X, startPoint.YValues[0] + yRange.Interval)).Y) / 2 + circleSize.Height / 2;
Font textFont = new System.Drawing.Font("Segoe UI", 5F);
int k = 0;
for (double i = startPoint.YValues[0]; i < endPoint.YValues[0]; i += yRange.Interval)
{
var point = area.GetPointByValue(new Syncfusion.Windows.Forms.Chart.ChartPoint(range.Min, i));
var brush = new SolidBrush(this.chartControl1.Series[k].Style.Interior.BackColor);
e.Graphics.FillEllipse(brush, e.ClipRectangle.X, point.Y - dHeight, circleSize.Width, circleSize.Width);
var textSize = e.Graphics.MeasureString(text[k], Font, new PointF(e.ClipRectangle.X + circleSize.Width / 2, point.Y - dHeight), StringFormat.GenericDefault);
e.Graphics.DrawString(text[k], Font, Brushes.White, new PointF(e.ClipRectangle.X + circleSize.Width / 2 - textSize.Width / 2, point.Y - dHeight + circleSize.Height / 2 - textSize.Height / 2), StringFormat.GenericDefault);
brush.Dispose();
k++;
}
}
void chartControl1_Paint(object sender, PaintEventArgs e)
{
using (Graphics gr = this.panel3.CreateGraphics())
{
gr.SmoothingMode = SmoothingMode.HighQuality;
var text = new string[] { "Temp", "Feels like", "Humidity", "Wind" };
var axisText = new string[] { "36", "106", "100", "200", "40", "100", "10", "40" };
var labelSpacing = 10;
var location = this.chartControl1.Location;
var circleSize = new Size(60, 60);
var startPoint = new Syncfusion.Windows.Forms.Chart.ChartPoint(this.chartControl1.PrimaryXAxis.Range.Min, this.chartControl1.PrimaryYAxis.Range.Min + this.chartControl1.PrimaryYAxis.Range.Min);
var endPoint = new Syncfusion.Windows.Forms.Chart.ChartPoint(this.chartControl1.PrimaryXAxis.Range.Min, this.chartControl1.PrimaryYAxis.Range.Min + this.chartControl1.PrimaryYAxis.Range.Max);
var dHeight = Math.Abs(this.chartControl1.ChartArea.GetPointByValue(startPoint).Y - this.chartControl1.ChartArea.GetPointByValue(new Syncfusion.Windows.Forms.Chart.ChartPoint(startPoint.X, startPoint.YValues[0] + this.chartControl1.PrimaryYAxis.Range.Interval)).Y) / 2 + circleSize.Height / 2;
Font textFont = new Font("Arial", 8, FontStyle.Bold);
int k = 0;
for (double i = startPoint.YValues[0]; i < endPoint.YValues[0]; i += this.chartControl1.PrimaryYAxis.Range.Interval)
{
var point = this.chartControl1.ChartArea.GetPointByValue(new Syncfusion.Windows.Forms.Chart.ChartPoint(this.chartControl1.PrimaryXAxis.Range.Min, i));
var brush = new SolidBrush(this.chartControl1.Series[k].Style.Interior.BackColor);
gr.FillEllipse(brush, location.X - circleSize.Width - labelSpacing, point.Y - dHeight, circleSize.Width, circleSize.Height);
var textSize = e.Graphics.MeasureString(text[k], Font, new PointF(location.X - circleSize.Width, point.Y - dHeight), StringFormat.GenericDefault);
gr.DrawString(text[k], Font, Brushes.White, new PointF(location.X - circleSize.Width / 2 - labelSpacing - (textSize.Width / 2), point.Y - dHeight + circleSize.Height / 2 - textSize.Height / 2), StringFormat.GenericDefault);
k++;
}
}
if (ClearTrackBall)
{
TrackBallInfo.TrackBallLine.Color = Color.Orange;
TrackBallInfo.TrackBallLine.Width = 2;
e.Graphics.DrawLine(TrackBallInfo.TrackBallLine, closestPoint.X, bounds.Top, closestPoint.X, bounds.Bottom);
DrawTrackBallToolTip(e.Graphics, point);
ClearTrackBall = false;
}
}
void chartControl1_ChartRegionMouseMove(object sender, ChartRegionMouseEventArgs e)
{
bounds = this.chartControl1.ChartArea.RenderBounds;
if (e.Point.X > bounds.Left && e.Point.X < bounds.Right && e.Point.Y > bounds.Top && e.Point.Y < bounds.Bottom)
{
point = FindClosestChartPoint(e.Point);
closestPoint = this.chartControl1.ChartArea.GetPointByValue(point);
currentPoint = point;
if (previousPoint.X != currentPoint.X)
{
ClearTrackBall = true;
this.chartControl1.Refresh();
}
}
previousPoint = currentPoint;
}
private Syncfusion.Windows.Forms.Chart.ChartPoint FindClosestChartPoint(Point point)
{
Syncfusion.Windows.Forms.Chart.ChartPoint temp = this.chartControl1.ChartArea.GetValueByPoint(point);
Syncfusion.Windows.Forms.Chart.ChartPoint result = null;
foreach (ChartSeries series in this.chartControl1.Series)
{
foreach (Syncfusion.Windows.Forms.Chart.ChartPoint point2 in series.Points)
{
if (result == null)
{
result = point2;
continue;
}
if (Math.Abs(point2.X - temp.X) < Math.Abs(temp.X - result.X))
{
result = point2;
}
}
}
return(result);
}
void chartControl1_ChartRegionMouseMove(object sender, ChartRegionMouseEventArgs e)
{
Graphics g = this.chartControl1.CreateGraphics();
Rectangle bounds = this.chartControl1.ChartArea.RenderBounds;
if (e.Point.X > bounds.Left && e.Point.X < bounds.Right && e.Point.Y > bounds.Top && e.Point.Y < bounds.Bottom)
{
Syncfusion.Windows.Forms.Chart.ChartPoint point = FindClosestChartPoint(e.Point);
Point closestPoint = this.chartControl1.ChartArea.GetPointByValue(point);
currentPoint = point;
if (previousPoint.X != currentPoint.X)
{
updatePanel = false;
this.chartControl1.Refresh();
updatePanel = true;
TrackBallInfo.TrackBallLine.Color = Color.Orange;
TrackBallInfo.TrackBallLine.Width = 2;
g.DrawLine(TrackBallInfo.TrackBallLine, closestPoint.X, bounds.Top, closestPoint.X, bounds.Bottom);
DrawTrackBallToolTip(g, point);
}
}
previousPoint = currentPoint;
}
