142 lines
4.0 KiB
C++
142 lines
4.0 KiB
C++
/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2006 Refractions Research Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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*
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**********************************************************************
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*
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* Last port: geom/prep/PreparedPolygonPredicate.java rev. 1.4 (JTS-1.10)
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* (2007-12-12)
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*
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**********************************************************************/
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#pragma once
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#include <geos/geom/Coordinate.h>
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#include <geos/geom/Location.h>
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// forward declarations
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namespace geos {
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namespace algorithm {
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namespace locate {
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class PointOnGeometryLocator;
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}
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}
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namespace geom {
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class Geometry;
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namespace prep {
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class PreparedPolygon;
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}
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}
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namespace noding {
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class FastSegmentSetIntersectionFinder;
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}
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}
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namespace geos {
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namespace geom { // geos::geom
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namespace prep { // geos::geom::prep
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/**
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* \brief
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* A base class for predicate operations on {@link PreparedPolygon}s.
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*
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* @author mbdavis
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*
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*/
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class PreparedPolygonPredicate {
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private:
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// Declare type as noncopyable
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PreparedPolygonPredicate(const PreparedPolygonPredicate& other) = delete;
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PreparedPolygonPredicate& operator=(const PreparedPolygonPredicate& rhs) = delete;
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protected:
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const PreparedPolygon* const prepPoly;
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/** \brief
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* Returns the outermost Location among a test point from each
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* components of the test geometry.
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*
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* @param testGeom a geometry to test
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* @return the outermost Location
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*/
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geom::Location getOutermostTestComponentLocation(const geom::Geometry* testGeom) const;
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/** \brief
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* Tests whether all components of the test Geometry
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* are contained in the interior of the target geometry.
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*
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* Handles both linear and point components.
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*
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* @param testGeom a geometry to test
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* @return true if all componenta of the argument are contained in
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* the target geometry interior
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*/
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bool isAllTestComponentsInTargetInterior(const geom::Geometry* testGeom) const;
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/** \brief
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* Tests whether any component of the test Geometry intersects
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* the area of the target geometry.
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*
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* Handles test geometries with both linear and point components.
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*
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* @param testGeom a geometry to test
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* @return true if any component of the argument intersects the
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* prepared geometry
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*/
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bool isAnyTestComponentInTarget(const geom::Geometry* testGeom) const;
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/** \brief
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* Tests whether any component of the test Geometry intersects
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* the interior of the target geometry.
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*
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* Handles test geometries with both linear and point components.
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*
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* @param testGeom a geometry to test
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* @return true if any component of the argument intersects the
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* prepared area geometry interior
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*/
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bool isAnyTestComponentInTargetInterior(const geom::Geometry* testGeom) const;
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/**
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* Tests whether any component of the target geometry
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* intersects the test geometry (which must be an areal geometry)
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*
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* @param testGeom the test geometry
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* @param targetRepPts the representative points of the target geometry
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* @return true if any component intersects the areal test geometry
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*/
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bool isAnyTargetComponentInAreaTest(const geom::Geometry* testGeom,
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const std::vector<const geom::CoordinateXY*>* targetRepPts) const;
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public:
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/** \brief
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* Creates an instance of this operation.
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*
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* @param p_prepPoly the PreparedPolygon to evaluate
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*/
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PreparedPolygonPredicate(const PreparedPolygon* const p_prepPoly)
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: prepPoly(p_prepPoly)
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{ }
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virtual
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~PreparedPolygonPredicate()
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{ }
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};
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} // namespace geos::geom::prep
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} // namespace geos::geom
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} // namespace geos
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