/********************************************************************** * * 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: operation/predicate/RectangleContains.java rev 1.5 (JTS-1.10) * **********************************************************************/ #ifndef GEOS_OP_PREDICATE_RECTANGLECONTAINS_H #define GEOS_OP_PREDICATE_RECTANGLECONTAINS_H #include #include // for inlines // Forward declarations namespace geos { namespace geom { class Envelope; class Geometry; class Point; class Coordinate; class LineString; //class Polygon; } } namespace geos { namespace operation { // geos::operation namespace predicate { // geos::operation::predicate /** \brief * Optimized implementation of spatial predicate "contains" * for cases where the first Geometry is a rectangle. * * As a further optimization, * this class can be used directly to test many geometries against a single * rectangle. * */ class GEOS_DLL RectangleContains { private: const geom::Polygon& rectangle; const geom::Envelope& rectEnv; bool isContainedInBoundary(const geom::Geometry& geom); bool isPointContainedInBoundary(const geom::Point& geom); /** \brief * Tests if a point is contained in the boundary of the target * rectangle. * * @param pt the point to test * @return true if the point is contained in the boundary */ bool isPointContainedInBoundary(const geom::Coordinate &pt); /** \brief * Tests if a linestring is completely contained in the boundary * of the target rectangle. * * @param line the linestring to test * @return true if the linestring is contained in the boundary */ bool isLineStringContainedInBoundary(const geom::LineString &line); /** \brief * Tests if a line segment is contained in the boundary of the * target rectangle. * * @param p0 an endpoint of the segment * @param p1 an endpoint of the segment * @return true if the line segment is contained in the boundary */ bool isLineSegmentContainedInBoundary(const geom::Coordinate& p0, const geom::Coordinate& p1); public: static bool contains(const geom::Polygon& rect, const geom::Geometry& b) { RectangleContains rc(rect); return rc.contains(b); } /** * Create a new contains computer for two geometries. * * @param rect a rectangular geometry */ RectangleContains(const geom::Polygon& rect) : rectangle(rect), rectEnv(*(rect.getEnvelopeInternal())) {} bool contains(const geom::Geometry& geom); // Declare type as noncopyable RectangleContains(const RectangleContains& other); RectangleContains& operator=(const RectangleContains& rhs); }; } // namespace geos::operation::predicate } // namespace geos::operation } // namespace geos #endif // ifndef GEOS_OP_PREDICATE_RECTANGLECONTAINS_H