public virtual void HasCurve()
{
GraphicsPath path = new GraphicsPath ();
GraphicsPathIterator iterator = new GraphicsPathIterator (path);
Assert.IsFalse (iterator.HasCurve ());
path.AddLine (new Point (100, 100), new Point (400, 100));
path.AddLine (new Point (400, 200), new Point (10, 100));
iterator = new GraphicsPathIterator (path);
Assert.IsFalse (iterator.HasCurve ());
path.StartFigure ();
path.AddBezier( 10, 10, 50, 250, 100, 5, 200, 280);
path.StartFigure ();
path.AddRectangle (new Rectangle (10, 20, 300, 400));
path.StartFigure ();
path.AddLine (new Point (400, 400), new Point (400, 10));
iterator = new GraphicsPathIterator (path);
Assert.IsTrue (iterator.HasCurve ());
}
///<summary>
/// Extracts the points of the paths in a flat {@link PathIterator} into
/// a list of Coordinate arrays.
///</summary>
/// <param name="pathIt">A path iterator</param>
/// <returns>A list of coordinate arrays</returns>
/// <exception cref="ArgumentException">If a non-linear segment type is encountered</exception>
public static IList<Coordinate[]> ToCoordinates(GraphicsPathIterator pathIt)
{
if (pathIt.HasCurve())
throw new ArgumentException("Path must not have non-linear segments");
var coordArrays = new List<Coordinate[]>();
int startIndex, endIndex;
bool isClosed;
while (pathIt.NextSubpath(out startIndex, out endIndex, out isClosed) > 0)
{
Coordinate[] pts = NextCoordinateArray(pathIt, startIndex, endIndex, isClosed);
coordArrays.Add(pts);
if (endIndex == pathIt.Count - 1) break;
}
return coordArrays;
}