/// <summary>
/// Draws x- and y-axes.
/// </summary>
private void DrawAxes(Graphics g, Rectangle dataBounds, List <double> xTicks, List <double> yTicks)
{
double tickLabelHeight = TickLabelHeight(g);
using (Brush brush = new SolidBrush(AxisPen.Color))
{
if (!String.IsNullOrEmpty(XAxis.Label))
{
int cx = dataBounds.Left + dataBounds.Width / 2;
int xy = (int)Math.Round(dataBounds.Bottom + TickSize + tickLabelHeight + AxisMargin);
g.DrawString(XAxis.Label, AxisLabelFont, brush, cx, xy, AxisLabelFormat);
}
int tickY = (int)Math.Round(dataBounds.Bottom + TickSize);
// Draw ticks
foreach (double x in xTicks)
{
int imgX = (int)XAxis.DataToImage(x, dataBounds.Left, dataBounds.Right);
g.DrawLine(AxisPen, imgX, dataBounds.Bottom, imgX, (int)Math.Round(dataBounds.Bottom + TickSize));
g.DrawString(GetTickLabel(x), TickLabelFont, brush, imgX, tickY, AxisLabelFormat);
}
if (!String.IsNullOrEmpty(YAxis.Label))
{
int cy = dataBounds.Top + dataBounds.Height / 2;
int yx = (int)Math.Round(AxisMargin);
Matrix f = g.Transform;
try
{
g.TranslateTransform(yx, cy);
g.RotateTransform(-90);
g.DrawString(YAxis.Label, AxisLabelFont, brush, 0, 0, AxisLabelFormat);
}
finally
{
g.Transform = f;
}
}
int tickX = (int)Math.Round(dataBounds.Left - TickSize);
foreach (double y in yTicks)
{
int imgY = (int)YAxis.DataToImage(y, dataBounds.Top, dataBounds.Bottom);
g.DrawLine(AxisPen, (int)Math.Round(dataBounds.Left - TickSize), imgY, dataBounds.Left, imgY);
g.DrawString(GetTickLabel(y), TickLabelFont, brush, tickX, imgY, YTickFormat);
}
}
}