public void RenderVariationMarker(Vector2f center, float diameter, bool active)
{
float radius = diameter / 2;
Pen pen;
if (active)
pen = new Pen(RawColor.Blue, 2);
else
pen = new Pen(RawColor.Blue);
Graphics.DrawCircle(pen, center, radius);
}
public abstract void DrawRectangle(Pen pen, RectangleF rect);
public abstract void DrawPolygon(Pen pen, params Vector2f[] points);
public abstract void DrawLine(Pen pen, Vector2f p1, Vector2f p2);
public abstract void DrawCircle(Pen pen, Vector2f center, float radius);