AbstractPreparedPolygonContains.h

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/**********************************************************************
 *
 * 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/AbstractPreparedPolygonContains.java r388 (JTS-1.12)
 *
 **********************************************************************/

#ifndef GEOS_GEOM_PREP_ABSTRACTPREPAREDPOLYGONCONTAINS_H
#define GEOS_GEOM_PREP_ABSTRACTPREPAREDPOLYGONCONTAINS_H

#include <geos/geom/prep/PreparedPolygonPredicate.h> // inherited


// forward declarations
namespace geos {
namespace geom {
class Geometry;

namespace prep {
class PreparedPolygon;
}
}
}


namespace geos {
namespace geom { // geos::geom
namespace prep { // geos::geom::prep

class AbstractPreparedPolygonContains : public PreparedPolygonPredicate {
private:
    // information about geometric situation
    bool hasSegmentIntersection;
    bool hasProperIntersection;
    bool hasNonProperIntersection;

    bool isProperIntersectionImpliesNotContainedSituation(const geom::Geometry* testGeom);

    bool isSingleShell(const geom::Geometry& geom);

    void findAndClassifyIntersections(const geom::Geometry* geom);

protected:
    bool requireSomePointInInterior;

    bool eval(const geom::Geometry* geom);

    bool evalPointTestGeom(const geom::Geometry* geom, geom::Location outermostLoc);

    virtual bool fullTopologicalPredicate(const geom::Geometry* geom) = 0;

public:
    AbstractPreparedPolygonContains(const PreparedPolygon* const p_prepPoly)
        :       PreparedPolygonPredicate(p_prepPoly),
          hasSegmentIntersection(false),
          hasProperIntersection(false),
          hasNonProperIntersection(false),
          requireSomePointInInterior(true)
    { }

    AbstractPreparedPolygonContains(const PreparedPolygon* const p_prepPoly, bool p_requireSomePointInInterior)
        :       PreparedPolygonPredicate(p_prepPoly),
          hasSegmentIntersection(false),
          hasProperIntersection(false),
          hasNonProperIntersection(false),
          requireSomePointInInterior(p_requireSomePointInInterior)
    { }

    ~AbstractPreparedPolygonContains() override
    { }

};

} // geos::geom::prep
} // geos::geom
} // geos

#endif // GEOS_GEOM_PREP_ABSTRACTPREPAREDPOLYGONCONTAINS_H