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/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2005-2006 Refractions Research Inc.
* Copyright (C) 2001-2002 Vivid Solutions 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: geomgraph/Depth.java rev. 1.4 (JTS-1.10)
*
**********************************************************************/
#ifndef GEOS_GEOMGRAPH_DEPTH_H
#define GEOS_GEOMGRAPH_DEPTH_H
#include <geos/export.h>
#include <geos/geom/Location.h>
#include <string>
#include <geos/inline.h>
// Forward declarations
namespace geos {
namespace geomgraph {
class Label;
}
}
namespace geos {
namespace geomgraph { // geos.geomgraph
/// \brief A Depth object records the topological depth of the sides of an Edge
/// for up to two Geometries.
class GEOS_DLL Depth {
public:
static int depthAtLocation(geom::Location location);
Depth();
virtual ~Depth() = default; // FIXME: shoudn't be virtual!
int getDepth(int geomIndex, int posIndex) const;
void setDepth(int geomIndex, int posIndex, int depthValue);
geom::Location getLocation(int geomIndex, int posIndex) const;
void add(int geomIndex, int posIndex, geom::Location location);
bool isNull() const;
bool isNull(int geomIndex) const;
bool isNull(int geomIndex, int posIndex) const;
int getDelta(int geomIndex) const;
void normalize();
void add(const Label& lbl);
std::string toString() const;
private:
enum {
NULL_VALUE = -1 //Replaces NULL
};
int depth[2][3];
};
} // namespace geos.geomgraph
} // namespace geos
#ifdef GEOS_INLINE
# include "geos/geomgraph/Depth.inl"
#endif
#endif // ifndef GEOS_GEOMGRAPH_DEPTH_H