/// <summary>
/// Adds the label.
/// </summary>
/// <param name="labelPath">The label path.</param>
/// <param name="rect">The rect.</param>
/// <param name="degrees">The degrees.</param>
/// <param name="value">The value.</param>
private void AddLabel(GraphicsPath labelPath, RectangleF rect, double degrees, int value)
{
double offset = 0;
switch (LabelPosition)
{
case LabelPosition.Inside:
offset = -LabelOffset;
break;
case LabelPosition.Outside:
offset = LabelOffset;
break;
}
PointF center = GraphicsHelper.GetPointInArc(rect, degrees, offset);
using (Bitmap bm = new Bitmap(1, 1))
using (Graphics g = Graphics.FromImage(bm))
using (Font font = new Font(LabelFontFamily, LabelFontSize, LabelFontStyle))
{
SizeF size = SizeF.Empty;
try
{
size = CustomExtensions.MeasureDisplayStringSize(g, value.ToString(), font);
}
catch { }
PointF origin = new PointF(center.X - (size.Width / 2f),
center.Y - (size.Height / 2f));
labelPath.AddString(value.ToString(), font.FontFamily, (int)font.Style, font.Size,
origin, StringFormat.GenericDefault);
}
}
