private void DrawAxis(Graphics g, bool drawHorizontalMarkers)
{
g.DrawLine(new Pen(Color.Black, 1.0f), MarginLeft, Height - MarginBottomDiagram, Width - MarginRight, Height - MarginBottomDiagram);
if (drawHorizontalMarkers)
{
var xData = PlotDataSeries.First().XCoordData.ToArray();
var fontForMarkers = new Font("Arial", 8f);
var markerPen = new Pen(Color.Black, 1.0f);
var countMarkers = 3;
float markerInterval = (float)(Width - MarginRight - MarginLeft) / ((float)countMarkers - 1f);
float markerDataInterval = (float)(xData.Length) / ((float)countMarkers - 1f);
for (var i = 0; i < countMarkers; i++)
{
g.DrawLine(markerPen, MarginLeft + i * markerInterval, Height - MarginBottomDiagram + 3, MarginLeft + i * markerInterval, Height - MarginBottomDiagram);
}
}
g.DrawLine(new Pen(Color.Black, 1.0f), MarginLeft, Height - MarginBottomDiagram, MarginLeft, MarginTop);
}
public void DrawTo(string file)
{
using (Bitmap bitmap = new Bitmap(Width, Height))
{
using (Graphics g = Graphics.FromImage(bitmap))
{
g.Clear(Color.White);
DrawHorLines(g, 10);
foreach (var item in PlotDataSeries.OrderBy(x => x.Order))
{
DrawOneCurve(g, item.Pen, item.DataRow);
}
DrawAxis(g, drawHorizontalMarkers: true);
DrawingLegend(g);
}
bitmap.Save(file, ImageFormat.Png);
}
}
