16 #ifndef GEOS_GEOM_UTIL_POLYGONEXTRACTER_H
17 #define GEOS_GEOM_UTIL_POLYGONEXTRACTER_H
19 #include <geos/export.h>
20 #include <geos/geom/GeometryFilter.h>
21 #include <geos/geom/Polygon.h>
31 class GEOS_DLL PolygonExtracter:
public GeometryFilter {
42 static void getPolygons(
const Geometry& geom, std::vector<const Polygon*>& ret);
48 PolygonExtracter(std::vector<const Polygon*>& newComps);
50 void filter_rw(Geometry* geom)
override;
52 void filter_ro(
const Geometry* geom)
override;
57 std::vector<const Polygon*>& comps;
60 PolygonExtracter(
const PolygonExtracter& other) =
delete;
61 PolygonExtracter& operator=(
const PolygonExtracter& rhs) =
delete;