Depth.h

/**********************************************************************
 *
 * 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 <string>
 
#include <geos/inline.h>
 
// Forward declarations
namespace geos {
        namespace geomgraph {
                class Label;
        }
}
 
namespace geos {
namespace geomgraph { // geos.geomgraph
 
class GEOS_DLL Depth {
public:
        static int depthAtLocation(int location);
        Depth();
        virtual ~Depth(); // FIXME: shoudn't be virtual!
        int getDepth(int geomIndex,int posIndex) const;
        void setDepth(int geomIndex,int posIndex,int depthValue);
        int getLocation(int geomIndex,int posIndex) const;
        void add(int geomIndex,int posIndex,int 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
 
#endif // ifndef GEOS_GEOMGRAPH_DEPTH_H