private static void _addRecursive(PolygonList hierarchicalList, ref PolygonList flatList)
{
foreach (Polygon polygon in hierarchicalList)
{
flatList.Add(polygon);
_addRecursive(polygon.Holes, ref flatList);
}
}
public PolygonList GetPolygons(IncentiveType type)
{
PolygonList polygons = new PolygonList();
foreach (TimedArea area in GetAllAreas(type))
{
polygons.Add(area.Area);
}
return(polygons);
}
private void _flattenRecursive(ref PolygonList result)
{
foreach (Polygon polygon in Holes)
{
polygon._flattenRecursive(ref result);
// if this is a contour, remove the hole's holes
if (!IsHole)
{
polygon.Holes = new PolygonList();
}
}
// if this is a contour, add it to the result list
if (!IsHole)
{
result.Add(this);
}
}
/// <summary>
/// Create a polygon from a Clipper Treenode. This creates a hierarchical polygon (the holes may contain "holes" themselves, which describe nested polygons).
/// </summary>
/// <param name="node">The treenode which should be turned into a polygon</param>
public Polygon(PolyNode node) : this(node.Contour)
{
//if (IsHole != node.IsHole)
// Logger.Warn("Area returned by clipper is marked as " + (node.IsHole ? "Hole" : "Contour") + " but the vertices are " + (IsHole ? "CW." : "CCW."));
node.Childs.ForEach((childNode) => Holes.Add(new Polygon(childNode)));
}