ConnectedInteriorTester.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2005-2006 Refractions Research Inc.
 * Copyright (C) 2001-2002 Vivid Solutions 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/valid/ConnectedInteriorTester.java rev. 1.15 (JTS-1.10)
 *
 **********************************************************************/
 
#ifndef GEOS_OP_CONNECTEDINTERIORTESTER_H
#define GEOS_OP_CONNECTEDINTERIORTESTER_H
 
#include <geos/export.h>
 
#include <geos/geom/Coordinate.h> // for composition
#include <geos/geom/GeometryFactory.h> // for GeometryFactory::unique_ptr
 
#include <vector>
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
 
// Forward declarations
namespace geos {
        namespace geom {
                //class Coordinate;
                class Geometry;
                class CoordinateSequence;
                class GeometryFactory;
                class LineString;
        }
        namespace geomgraph {
                class GeometryGraph;
                class PlanarGraph;
                class EdgeRing;
                class DirectedEdge;
                class EdgeEnd;
        }
}
 
namespace geos {
namespace operation { // geos::operation
namespace valid { // geos::operation::valid

class GEOS_DLL ConnectedInteriorTester {
public:
        ConnectedInteriorTester(geomgraph::GeometryGraph &newGeomGraph);
        ~ConnectedInteriorTester();
        geom::Coordinate& getCoordinate();
        bool isInteriorsConnected();
        static const geom::Coordinate& findDifferentPoint(
                        const geom::CoordinateSequence *coord,
                        const geom::Coordinate& pt);
 
protected:
 
        void visitLinkedDirectedEdges(geomgraph::DirectedEdge *start);
 
private:
 
        geom::GeometryFactory::unique_ptr geometryFactory;
 
        geomgraph::GeometryGraph &geomGraph;

        geom::Coordinate disconnectedRingcoord;

        std::vector<geomgraph::EdgeRing*> maximalEdgeRings;
 
        void setInteriorEdgesInResult(geomgraph::PlanarGraph &graph);
 
        
        void buildEdgeRings(std::vector<geomgraph::EdgeEnd*> *dirEdges,
                            std::vector<geomgraph::EdgeRing*>& minEdgeRings);

        void visitShellInteriors(const geom::Geometry *g, geomgraph::PlanarGraph &graph);
 
        void visitInteriorRing(const geom::LineString *ring, geomgraph::PlanarGraph &graph);

        bool hasUnvisitedShellEdge(std::vector<geomgraph::EdgeRing*> *edgeRings);
 
    // Declare type as noncopyable
    ConnectedInteriorTester(const ConnectedInteriorTester& other);
    ConnectedInteriorTester& operator=(const ConnectedInteriorTester& rhs);
};
 
} // namespace geos::operation::valid
} // namespace geos::operation
} // namespace geos
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif
 
#endif // GEOS_OP_CONNECTEDINTERIORTESTER_H