public override void DrawEllipse(Brush brush, Pen pen, Point center, double radiusX, double radiusY)
{
Debug.Assert(brush != null || pen != null);
Debug.Assert(radiusX >= 0 && radiusY >= 0);
if (!EnsureDrawCommand())
{
return;
}
var curve = new EllipseCurve(center.X, center.Y, radiusX, radiusY, 0, Math.PI * 2, true, 0);
var count = (int)((radiusX + radiusY));
var unit = 1.0 / count;
IList <Point> points = new List <Point>(count);
for (int i = 0; i < count; i++)
{
var p = curve.getPoint(unit * i);
points.Add(p);
}
if (pen != null)
{
this.AddPolyline(points, pen.LineColor, true, pen.LineWidth);
}
if (brush != null)
{
this.AddConvexPolyFilled(points, brush.FillColor, false);
}
}
public void GetCircleCurveCorrectPoint()
{
var ellipseCurve = new EllipseCurve(new Vector2(5, 10));
var angle = 0.643501108793284;
var point = ellipseCurve.GetPoint(angle);
Assert.AreEqual(new Vector2(4, 6), ellipseCurve.GetPoint(angle));
}
