#ifndef COIN_SBSPHERESHEETPROJECTOR_H
#define COIN_SBSPHERESHEETPROJECTOR_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
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 * 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/projectors/SbSphereProjector.h>
#include <Inventor/SbPlane.h>

class COIN_DLL_API SbSphereSheetProjector : public SbSphereProjector {
  typedef SbSphereProjector inherited;

public:
  SbSphereSheetProjector(const SbBool orienttoeye = TRUE);
  SbSphereSheetProjector(const SbSphere & sph, const SbBool orienttoeye = TRUE);

  virtual SbProjector * copy(void) const;
  virtual SbVec3f project(const SbVec2f & point);
  virtual SbRotation getRotation(const SbVec3f & point1,
                                 const SbVec3f & point2);

protected:
  void setupPlane(void);

  SbVec3f workingProjPoint;
  SbVec3f planePoint;
  SbVec3f planeDir;
  float planeDist;
  SbPlane tolPlane;
};

#endif // !COIN_SBSPHERESHEETPROJECTOR_H
