protected void DrawFreehand(Graphics g, Color borderColor, int borderSize, Point[] points)
{
if (points.Length > 0 && borderSize > 0 && borderColor.A > 0)
{
g.SmoothingMode = SmoothingMode.HighQuality;
if (points.Length == 1)
{
using (Brush brush = new SolidBrush(borderColor))
{
Rectangle rect = new Rectangle((int)(points[0].X - borderSize / 2f), (int)(points[0].Y - borderSize / 2f), borderSize, borderSize);
g.FillEllipse(brush, rect);
}
}
else
{
using (Pen pen = new Pen(borderColor, borderSize) { StartCap = LineCap.Round, EndCap = LineCap.Round, LineJoin = LineJoin.Round })
{
g.DrawLines(pen, points.ToArray());
}
}
g.SmoothingMode = SmoothingMode.None;
}
}