/********************************************************************** * * GEOS - Geometry Engine Open Source * http://geos.osgeo.org * * Copyright (C) 2006 Refractions Research Inc. * * This is free software; you can redistribute and/or modify it under * the terms of the GNU Lesser General Public Licence as published * by the Free Software Foundation. * See the COPYING file for more information. * * ********************************************************************** * * Last port: geom/prep/PreparedLineStringIntersects.java r338 (JTS-1.12) * **********************************************************************/ #pragma once #include #include #include #include #include namespace geos { namespace geom { // geos::geom namespace prep { // geos::geom::prep /** * \brief * Computes the intersects spatial relationship predicate * for a target {@link PreparedLineString} relative to all other * {@link Geometry} classes. * * Uses short-circuit tests and indexing to improve performance. * * @author Martin Davis * */ class PreparedLineStringIntersects { public: /** * Computes the intersects predicate between a {@link PreparedLineString} * and a {@link Geometry}. * * @param prep the prepared linestring * @param geom a test geometry * @return true if the linestring intersects the geometry */ static bool intersects(PreparedLineString& prep, const geom::Geometry* geom) { PreparedLineStringIntersects op(prep); return op.intersects(geom); } /** * \todo FIXME - mloskot: Why not taking linestring through const reference? */ PreparedLineStringIntersects(PreparedLineString& prep) : prepLine(prep) { } /** * Tests whether this geometry intersects a given geometry. * * @param g the test geometry * @return true if the test geometry intersects */ bool intersects(const geom::Geometry* g) const; protected: PreparedLineString& prepLine; /** * Tests whether any representative point of the test Geometry intersects * the target geometry. * Only handles test geometries which are Puntal (dimension 0) * * @param testGeom a Puntal geometry to test * @return true if any point of the argument intersects the prepared geometry */ bool isAnyTestPointInTarget(const geom::Geometry* testGeom) const; // Declare type as noncopyable PreparedLineStringIntersects(const PreparedLineStringIntersects& other) = delete; PreparedLineStringIntersects& operator=(const PreparedLineStringIntersects& rhs) = delete; }; } // namespace geos::geom::prep } // namespace geos::geom } // namespace geos