#ifndef COIN_SOUNITSELEMENT_H
#define COIN_SOUNITSELEMENT_H

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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\**************************************************************************/

#include <Inventor/elements/SoInt32Element.h>

class COIN_DLL_API SoUnitsElement : public SoInt32Element {
  typedef SoInt32Element inherited;

  SO_ELEMENT_HEADER(SoUnitsElement);
public:
  static void initClass(void);
protected:
  virtual ~SoUnitsElement();

public:
// constants:
  enum Units {
    // We have to start at 0, or code in nodes/SoUnits.cpp will crash
    // and burn. --mortene
    METERS = 0,
    CENTIMETERS,
    MILLIMETERS,
    MICROMETERS,
    MICRONS,
    NANOMETERS,
    ANGSTROMS,
    KILOMETERS,
    FEET,
    INCHES,
    POINTS,
    YARDS,
    MILES,
    NAUTICAL_MILES
  };

  virtual void init(SoState * state);

  static  void set(SoState * const state, SoNode * const node,
                   const Units units);
  static  void set(SoState * const state, const Units units);
  static Units get(SoState * const state);
  static Units getDefault();

};

#endif // !COIN_SOUNITSELEMENT_H
