/// <summary>
/// When we click chart
/// </summary>
/// <param name="sender"></param>
/// <param name="e">Clicked dot</param>
private void MainChart_MouseDown(object sender, MouseEventArgs e)
{
//Information abour click result
var DotWeGot = MainChart.HitTest(e.X, e.Y);
//If we click one of x dots
if ((DotWeGot.Series != null) && (DotWeGot.Series.Name == SOURSE_DOTS_SERIES_NAME))
{
//capture it
captured = MainChart.Series[SOURSE_DOTS_SERIES_NAME].Points[DotWeGot.PointIndex].XValue;
}
//Els if we click on chart area
else if (DotWeGot.ChartArea != null)
{
//Finde x coordinate of click on chart
double clickedColumn = MainChart.ChartAreas[0].AxisX.PixelPositionToValue(e.X);
//If we clicked almost on one of the start dot's column
if ((Math.Abs(Math.Round(clickedColumn) - clickedColumn) < this.Width * 0.00005) && (Math.Round(clickedColumn) >= FIRST_DOT_X) && (Math.Round(clickedColumn) < (FIRST_DOT_X + NUMBBER_OF_SOURSE_DOTS)))
{
//Move start dot
SourseDots[Math.Round(clickedColumn)] = MainChart.ChartAreas[0].AxisY.PixelPositionToValue(e.Y);
//Rewrite all functions according to
Rewrite();
}
}
}
private void LineMarker_PositionChanged(object sender, PositionChangedArgs e)
{
var chartPoint = new Point(LineMarker.X, LineMarker.Y);
var _hitTestInfo = MainChart.HitTest(chartPoint);
var hitTestInfo = MainChart.HitTest(chartPoint);
}
private void MainChart_MouseMove(object sender, MouseEventArgs e)
{
if (m_isPlacingAnnotation)
{
return;
}
while (m_isChartUpdating)
{
}
try
{
m_isPlacingAnnotation = true;
var xValueUnderCursor = MainChart.ChartAreas[0].AxisX.PixelPositionToValue(e.X);
var results = MainChart.HitTest(e.X, e.Y, false, ChartElementType.DataPoint);
var point = results.Where(x => x.ChartElementType == ChartElementType.DataPoint)
.Select(x => x.Object as DataPoint)
.Where(x => x != null && x.Tag != null)
.OrderBy(x => Math.Abs(xValueUnderCursor - x.XValue))
.FirstOrDefault();
if (point == null)
{
return;
}
if (m_pointUnderCursor != null && !m_pointerUnderCursorSelected)
{
m_pointUnderCursor.MarkerSize = ChartMarkerSize;
}
m_pointUnderCursor = point;
m_pointerUnderCursorSelected = m_pointUnderCursor.MarkerSize == ChartSelectedMarkerSize;
m_pointUnderCursor.MarkerSize = ChartSelectedMarkerSize;
m_valueAnnotation.BeginPlacement();
{
m_valueAnnotation.AnchorX = m_pointUnderCursor.XValue;
m_valueAnnotation.AnchorY = m_pointUnderCursor.YValues[0];
m_valueAnnotation.Text = m_pointUnderCursor.Tag.ToString();
}
m_valueAnnotation.EndPlacement();
}
catch (Exception)
{
// Ignore
}
finally
{
m_isPlacingAnnotation = false;
}
}
private void MainChart_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button.HasFlag(MouseButtons.Left))
{
ChartArea ca = MainChart.ChartAreas[0];
Axis ax = ca.AxisX;
Axis ay = ca.AxisY;
int X = e.X, Y = e.Y;
HitTestResult hit = MainChart.HitTest(e.X, e.Y);
if (hit.PointIndex > 0)
{
curPoint = hit.Series.Points[hit.PointIndex];
}
//if (curPoint != null)
//{
// if (curPoint.XValue == 255 && curPoint.YValues[0] == 255) curPoint = null;
// if (curPoint.XValue == 0 && curPoint.YValues[0] == 0) curPoint = null;
// if (MainChart.Series[0].Points[MainChart.Series[0].Points.Count() - 1] == curPoint) curPoint = null;
// if (MainChart.Series[0].Points[0] == curPoint) curPoint = null;
//}
if (curPoint != null)
{
Series s = hit.Series;
double dx = ax.PixelPositionToValue(e.X);
double dy = ay.PixelPositionToValue(e.Y);
curPoint.XValue = dx;
curPoint.YValues[0] = dy;
}
ObjectAPI pic2 = pic.Clone() as ObjectAPI;
//pic2.ChangeGist(MainChart,str);
Gist.Series[str2].Points.Clear();
if (flag == false)
{
Parallel.Invoke(() => Gist = Curve.loadGist(Gist, pic2, str2), () => pic2.ChangeGist(MainChart, str), () => MainPic.Image = pic2.ShowRGB());
}
//MainPic.Image = pic2.ShowRGB();
else
{
Parallel.Invoke(() => Gist = Curve.loadGist(Gist, pic2, str2), () => pic2.ChangeGist(MainChart, str), () => MainPic.Image = pic2.Show());
}
//MainPic.Image = pic2.Show();
MainPic.Refresh();
Gist = Curve.loadGist(Gist, pic2, str2);
}
}
private void MainChart_MouseMove(object sender, MouseEventArgs e)
{
//If mous left button is clamped and some dot is captured
if ((MouseButtons == MouseButtons.Left) && (captured != 0))
{
//If we still on our chart area
if (MainChart.HitTest(e.X, e.Y).ChartArea != null)
{
//Move captured dot
SourseDots[captured] = MainChart.ChartAreas[0].AxisY.PixelPositionToValue(e.Y);
//Rebuid series
Rewrite();
}
}
}
private void InitializeChart()
{
MainChart.Palette = ChartColorPalette.Pastel;
var area = new ChartArea();
{
area.AxisX.IsMarginVisible = false;
area.AxisX.MajorGrid.Enabled = true;
area.AxisX.MajorGrid.LineColor = Color.FromArgb(230, 230, 230);
area.AxisX.MajorTickMark.TickMarkStyle = TickMarkStyle.None;
area.AxisX.LabelStyle.Enabled = false;
area.AxisX.LineColor = Color.DarkGray;
area.AxisX.IntervalOffsetType = DateTimeIntervalType.Milliseconds;
area.AxisX.ScaleView.Zoomable = true;
area.AxisX.ScrollBar.Enabled = false;
area.AxisY.IsMarginVisible = false;
area.AxisY.MajorGrid.Enabled = true;
area.AxisY.MajorGrid.LineColor = Color.FromArgb(230, 230, 230);
area.AxisY.MajorTickMark.TickMarkStyle = TickMarkStyle.None;
area.AxisY.LabelStyle.Enabled = false;
area.AxisY.LineColor = Color.DarkGray;
}
var valueAnnotation = new CalloutAnnotation
{
AxisX = area.AxisX,
AxisY = area.AxisY
};
MainChart.ChartAreas.Add(area);
MainChart.Annotations.Add(valueAnnotation);
DataPoint pointUnderCursor = null;
MainChart.MouseMove += (s, e) =>
{
var result = MainChart.HitTest(e.X, e.Y);
if (result.ChartElementType != ChartElementType.DataPoint ||
result.PointIndex < 0 ||
result.Series.Points.Count <= result.PointIndex)
{
return;
}
if (result.Series.Points.Count <= result.PointIndex)
{
return;
}
if (pointUnderCursor != null)
{
pointUnderCursor.MarkerSize = 0;
}
pointUnderCursor = result.Series.Points[result.PointIndex];
pointUnderCursor.MarkerSize = 7;
valueAnnotation.BeginPlacement();
// You must set AxisX before binding to xValue!
valueAnnotation.AnchorX = pointUnderCursor.XValue;
valueAnnotation.AnchorY = pointUnderCursor.YValues[0];
valueAnnotation.Text = pointUnderCursor.Tag.ToString();
valueAnnotation.EndPlacement();
};
MainChartScrollBar.Scroll += (s, e) => IsTracking = MainChartScrollBar.Value == MainChartScrollBar.Maximum;
MainChartScrollBar.ValueChanged += (s, e) => ScrollChart(false);
}
