SbLineProjector.h

#ifndef COIN_SBLINEPROJECTOR_H
#define COIN_SBLINEPROJECTOR_H
 
/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 * 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
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
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\**************************************************************************/
 
#include <Inventor/projectors/SbProjector.h>
 
#include <Inventor/SbVec3f.h>
#include <Inventor/SbLine.h>
 
class COIN_DLL_API SbLineProjector : public SbProjector {
  typedef SbProjector inherited;
 
public:
  SbLineProjector(void);
  virtual SbProjector * copy(void) const;
 
  virtual SbVec3f project(const SbVec2f & point);
  virtual SbBool tryProject(const SbVec2f & point, const float epsilon, SbVec3f & result);
 
  void setLine(const SbLine & line);
  const SbLine & getLine(void) const;
  virtual SbVec3f getVector(const SbVec2f & viewpos1,
                            const SbVec2f & viewpos2);
  virtual SbVec3f getVector(const SbVec2f & viewpos);
  void setStartPosition(const SbVec2f & viewpos);
  void setStartPosition(const SbVec3f & point);
 
protected:
  SbLine line;
  SbVec3f lastPoint;
};
 
#endif // !COIN_SBLINEPROJECTOR_H