private GraphicsPath ToShape(IGeometryCollection gc)
{
var shape = new GeometryCollectionGraphicsPath();
// add components to GC shape
for (int i = 0; i < gc.NumGeometries; i++)
{
var g = gc.GetGeometryN(i);
shape.Add(ToShape(g));
}
return(shape.Path);
}
/*
// Obsolete (slower code)
private Shape OLDtoShape(Polygon p)
{
ArrayList holeVertexCollection = new ArrayList();
for (int j = 0; j < p.getNumInteriorRing(); j++) {
holeVertexCollection.add(
toViewCoordinates(p.getInteriorRingN(j).getCoordinates()));
}
return new PolygonShape(
toViewCoordinates(p.getExteriorRing().getCoordinates()),
holeVertexCollection);
}
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates)
{
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length];
for (int i = 0; i < modelCoordinates.length; i++) {
Point2D point2D = toPoint(modelCoordinates[i]);
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
}
return viewCoordinates;
}
*/
private GraphicsPath ToShape(IGeometryCollection gc)
{
var shape = new GeometryCollectionGraphicsPath();
// add components to GC shape
for (int i = 0; i < gc.NumGeometries; i++)
{
var g = gc.GetGeometryN(i);
shape.Add(ToShape(g));
}
return shape.Path;
}