private void DrawVertex(System.Windows.Forms.PaintEventArgs e, Vertex vertex, VertexPosition vertexPosition)
{
int r = random.Next(50, 55);
Pen p = new Pen(Brushes.DarkOliveGreen, 2);
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Center;
stringFormat.LineAlignment = StringAlignment.Center;
e.Graphics.DrawEllipse(p, new Rectangle((int)vertexPosition.x - (r / 2) + xOffset, (int)vertexPosition.y - (r / 2) + yOffset, r, r));
e.Graphics.FillEllipse(Brushes.OliveDrab, new Rectangle((int)vertexPosition.x - (r / 2) + xOffset, (int)vertexPosition.y - (r / 2) + yOffset, r, r));
e.Graphics.DrawString(vertex.Label, SystemFonts.CaptionFont, Brushes.White, new RectangleF(vertexPosition.x - (r / 2) + xOffset, vertexPosition.y - (r / 2) + yOffset, r, r), stringFormat);
}
private Point GetPoint(VertexPosition pos)
{
return new Point(xOffset + (int)pos.x, yOffset + (int)pos.y);
}
