/// <summary>
/// Constructs an array of <see cref="Hatch">hatches</see> from a set of curves.
/// </summary>
/// <param name="curves">An array, a list or any enumerable set of <see cref="Curve"/>.</param>
/// <param name="hatchPatternIndex">The index of the hatch pattern in the document hatch pattern table.</param>
/// <param name="rotationRadians">The relative rotation of the pattern.</param>
/// <param name="scale">A scaling factor.</param>
/// <param name="tolerance"></param>
/// <returns>An array of hatches. The array might be empty on error.</returns>
/// <exception cref="ArgumentNullException">If curves is null.</exception>
/// <since>6.0</since>
public static Hatch[] Create(IEnumerable <Curve> curves, int hatchPatternIndex, double rotationRadians, double scale, double tolerance)
{
if (curves == null)
{
throw new ArgumentNullException("curves");
}
var curvearray = new Runtime.InteropWrappers.SimpleArrayCurvePointer(curves);
IntPtr ptr_curve_array = curvearray.NonConstPointer();
var hatcharray = new Runtime.InteropWrappers.SimpleArrayGeometryPointer();
IntPtr ptr_hatch_array = hatcharray.NonConstPointer();
UnsafeNativeMethods.RHC_RhinoCreateHatches(ptr_curve_array, tolerance, hatchPatternIndex, rotationRadians, scale, ptr_hatch_array);
GeometryBase[] g = hatcharray.ToNonConstArray();
if (g == null)
{
return(new Hatch[0]);
}
List <Hatch> hatches = new List <Hatch>();
for (int i = 0; i < g.Length; i++)
{
Hatch hatch = g[i] as Hatch;
if (hatch != null)
{
hatches.Add(hatch);
}
}
GC.KeepAlive(curves);
return(hatches.ToArray());
}
public GeometryBase[] Explode()
{
using (Runtime.InteropWrappers.SimpleArrayGeometryPointer geometry = new Runtime.InteropWrappers.SimpleArrayGeometryPointer())
{
IntPtr ptr_parent_rhinoobject = IntPtr.Zero;
if (IsDocumentControlled)
{
DocObjects.RhinoObject rhobj = ParentRhinoObject();
if (rhobj != null)
{
ptr_parent_rhinoobject = rhobj.ConstPointer();
}
}
IntPtr ptr_geometry_array = geometry.NonConstPointer();
IntPtr const_ptr_this = ConstPointer();
UnsafeNativeMethods.ON_Hatch_Explode(const_ptr_this, ptr_parent_rhinoobject, ptr_geometry_array);
GeometryBase[] rc = geometry.ToNonConstArray();
return(rc);
}
}