SoViewingMatrixElement.h

/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_VIEWING_MATRIX_ELEMENT
#define  _SO_VIEWING_MATRIX_ELEMENT
 
#include <Inventor/SbLinear.h>
#include <Inventor/elements/SoReplacedElement.h>
 
SoEXTENDER_Documented class  SoViewingMatrixElement : public SoReplacedElement {
 
  SO_ELEMENT_HEADER(SoViewingMatrixElement);
 
 public:
  static void         set(SoState *state, SoNode *node,
                          const SbMatrix &matrix, SbBool sendToGL = TRUE);
 
  static const SbMatrix &     get(SoState *state);
 
  virtual void        print(FILE *fp) const;
 
private:
 
  virtual void init(SoState *state);
 
 private:
  // Initializes the SoViewingMatrixElement class
  static void         initClass();
  static void         exitClass();
 
 private:
  SbMatrix            viewingMatrix;
 
  // Sets the matrix in an instance
  virtual void        setElt(const SbMatrix &matrix, SbBool sendToGL = TRUE);
 
  virtual ~SoViewingMatrixElement();
};
 
#endif /* _SO_VIEWING_MATRIX_ELEMENT */