SegmentIntersectionTester.h

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/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
 * 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/SegmentIntersectionTester.java r378 (JTS-1.12)
 *
 **********************************************************************/

#ifndef GEOS_OP_PREDICATE_SEGMENTINTERSECTIONTESTER_H
#define GEOS_OP_PREDICATE_SEGMENTINTERSECTIONTESTER_H

#include <geos/export.h>

#include <geos/algorithm/LineIntersector.h> // for composition
#include <geos/geom/Coordinate.h> // for composition

// Forward declarations
namespace geos {
namespace geom {
class LineString;
class CoordinateSequence;
}
}

namespace geos {
namespace operation { // geos::operation
namespace predicate { // geos::operation::predicate

class GEOS_DLL SegmentIntersectionTester {

private:

    algorithm::LineIntersector li; // Robust

    bool hasIntersectionVar;

public:

    SegmentIntersectionTester(): hasIntersectionVar(false) {}

    bool hasIntersectionWithLineStrings(const geom::LineString& line,
                                        const std::vector<const geom::LineString*>& lines);

    bool hasIntersection(const geom::LineString& line,
                         const geom::LineString& testLine);

    bool hasIntersectionWithEnvelopeFilter(const geom::LineString& line,
                                           const geom::LineString& testLine);


};

} // namespace geos::operation::predicate
} // namespace geos::operation
} // namespace geos

#endif // ifndef GEOS_OP_PREDICATE_SEGMENTINTERSECTIONTESTER_H