GeometryCombiner.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006-2011 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/util/GeometryCombiner.java r320 (JTS-1.12)
 *
 **********************************************************************/
 
#ifndef GEOS_GEOM_UTIL_GEOMETRYCOMBINER_H
#define GEOS_GEOM_UTIL_GEOMETRYCOMBINER_H
 
#include <memory>
#include <vector>
 
#include <geos/export.h>
 
// Forward declarations
namespace geos {
namespace geom {
class Geometry;
class GeometryFactory;
}
}
 
namespace geos {
namespace geom { // geos.geom
namespace util { // geos.geom.util
 
class GEOS_DLL GeometryCombiner {
public:
    static std::unique_ptr<Geometry> combine(std::vector<const Geometry*> const& geoms);
 
    static std::unique_ptr<Geometry> combine(std::vector<std::unique_ptr<Geometry>> && geoms);
 
    static std::unique_ptr<Geometry> combine(const Geometry* g0, const Geometry* g1);
 
    static std::unique_ptr<Geometry> combine(std::unique_ptr<Geometry> && g0,
                                             std::unique_ptr<Geometry> && g1);
 
    static std::unique_ptr<Geometry> combine(const Geometry* g0, const Geometry* g1, const Geometry* g2);
 
    static std::unique_ptr<Geometry> combine(std::unique_ptr<Geometry> && g0,
                                             std::unique_ptr<Geometry> && g1,
                                             std::unique_ptr<Geometry> && g2);
 
private:
    std::vector<std::unique_ptr<Geometry>> inputGeoms;
    bool skipEmpty;
 
public:
    explicit GeometryCombiner(std::vector<const Geometry*> const& geoms);
 
    explicit GeometryCombiner(std::vector<std::unique_ptr<Geometry>> && geoms);
 
    GeometryFactory const* extractFactory() const;
 
    std::unique_ptr<Geometry> combine();
 
    void setSkipEmpty(bool);
 
    // Declare type as noncopyable
    GeometryCombiner(const GeometryCombiner& other) = delete;
    GeometryCombiner& operator=(const GeometryCombiner& rhs) = delete;
};
 
} // namespace geos.geom.util
} // namespace geos.geom
} // namespace geos
 
#endif