GeometryCollection.h

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/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 * Copyright (C) 2005 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/GeometryCollection.java rev. 1.41
 *
 **********************************************************************/

#ifndef GEOS_GEOS_GEOMETRYCOLLECTION_H
#define GEOS_GEOS_GEOMETRYCOLLECTION_H

#include <geos/export.h>
#include <geos/geom/Geometry.h> // for inheritance
#include <geos/geom/Envelope.h> // for proper use of unique_ptr<>
#include <geos/geom/Dimension.h> // for Dimension::DimensionType

#include <geos/inline.h>

#include <string>
#include <vector>
#include <memory> // for unique_ptr

// Forward declarations
namespace geos {
namespace geom { // geos::geom
class Coordinate;
class CoordinateArraySequence;
class CoordinateSequenceFilter;
}
}

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

class GEOS_DLL GeometryCollection : public Geometry {

public:
    friend class GeometryFactory;

    typedef std::vector<std::unique_ptr<Geometry>>::const_iterator const_iterator;

    typedef std::vector<std::unique_ptr<Geometry>>::iterator iterator;

    const_iterator begin() const;

    const_iterator end() const;

    std::unique_ptr<Geometry>
    clone() const override
    {
        return std::unique_ptr<Geometry>(new GeometryCollection(*this));
    }

    ~GeometryCollection() override = default;

    void setSRID(int) override;

    std::unique_ptr<CoordinateSequence> getCoordinates() const override;

    bool isEmpty() const override;

    Dimension::DimensionType getDimension() const override;

    bool isDimensionStrict(Dimension::DimensionType d) const override;

    uint8_t getCoordinateDimension() const override;

    std::unique_ptr<Geometry> getBoundary() const override;

    int getBoundaryDimension() const override;

    std::size_t getNumPoints() const override;

    std::string getGeometryType() const override;

    GeometryTypeId getGeometryTypeId() const override;

    bool equalsExact(const Geometry* other,
                     double tolerance = 0) const override;

    void apply_ro(CoordinateFilter* filter) const override;

    void apply_rw(const CoordinateFilter* filter) override;

    void apply_ro(GeometryFilter* filter) const override;

    void apply_rw(GeometryFilter* filter) override;

    void apply_ro(GeometryComponentFilter* filter) const override;

    void apply_rw(GeometryComponentFilter* filter) override;

    void apply_rw(CoordinateSequenceFilter& filter) override;

    void apply_ro(CoordinateSequenceFilter& filter) const override;

    void normalize() override;

    const Coordinate* getCoordinate() const override;

    double getArea() const override;

    double getLength() const override;

    std::size_t getNumGeometries() const override;

    const Geometry* getGeometryN(std::size_t n) const override;

    std::unique_ptr<Geometry> reverse() const override;

protected:

    GeometryCollection(const GeometryCollection& gc);

    GeometryCollection(std::vector<Geometry*>* newGeoms, const GeometryFactory* newFactory);

    GeometryCollection(std::vector<std::unique_ptr<Geometry>> && newGeoms, const GeometryFactory& newFactory);

    template<typename T>
    GeometryCollection(std::vector<std::unique_ptr<T>> && newGeoms, const GeometryFactory& newFactory) :
        GeometryCollection(toGeometryArray(std::move(newGeoms)), newFactory) {}

    int
    getSortIndex() const override
    {
        return SORTINDEX_GEOMETRYCOLLECTION;
    };

    std::vector<std::unique_ptr<Geometry>> geometries;

    Envelope::Ptr computeEnvelopeInternal() const override;

    int compareToSameClass(const Geometry* gc) const override;

};

} // namespace geos::geom
} // namespace geos

#ifdef GEOS_INLINE
# include "geos/geom/GeometryCollection.inl"
#endif

#endif // ndef GEOS_GEOS_GEOMETRYCOLLECTION_H