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>
22 #include <geos/platform.h>
32 class GEOS_DLL PolygonExtracter:
public GeometryFilter {
43 static void getPolygons(
const Geometry &geom, std::vector<const Polygon*>& ret);
49 PolygonExtracter(std::vector<const Polygon*>& newComps);
51 void filter_rw(Geometry *geom);
53 void filter_ro(
const Geometry *geom);
58 std::vector<const Polygon*>& comps;
61 PolygonExtracter(
const PolygonExtracter& other);
62 PolygonExtracter& operator=(
const PolygonExtracter& rhs);