BasicSegmentString.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2009 Sandro Santilli <strk@kbt.io>
 *
 * 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: noding/BasicSegmentString.java rev. 1.1 (JTS-1.9)
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
#include <geos/noding/BasicSegmentString.h>
#include <geos/noding/Octant.h>
#include <geos/noding/SegmentString.h> // for inheritance
#include <geos/geom/CoordinateSequence.h> // for inlines (size())
 
 
#include <vector>
 
// Forward declarations
 
namespace geos {
namespace noding { // geos.noding
 
class GEOS_DLL BasicSegmentString : public SegmentString {
 
public:
 
    BasicSegmentString(geom::CoordinateSequence* newPts,
                       const void* newContext)
        :
        SegmentString(newContext),
        pts(newPts)
    {}
 
    ~BasicSegmentString() override
    {}
 
    // see dox in SegmentString.h
    size_t
    size() const override
    {
        return pts->size();
    }
 
    // see dox in SegmentString.h
    const geom::Coordinate& getCoordinate(std::size_t i) const override
    {
        return pts->getAt(i);
    };
 
    geom::CoordinateSequence* getCoordinates() const override
    {
        return pts;
    };
 
    // see dox in SegmentString.h
    bool isClosed() const override
    {
        return pts->getAt(0) == pts->getAt(size() - 1);
    };
 
    // see dox in SegmentString.h
    std::ostream& print(std::ostream& os) const override;
 
    int getSegmentOctant(std::size_t index) const
    {
        if(index >= size() - 1) {
            return -1;
        }
        return Octant::octant(getCoordinate(index), getCoordinate(index + 1));
    };
 
private:
 
    geom::CoordinateSequence* pts;
 
    // Declare type as noncopyable
    BasicSegmentString(const BasicSegmentString& other) = delete;
    BasicSegmentString& operator=(const BasicSegmentString& rhs) = delete;
 
};
 
} // namespace geos.noding
} // namespace geos