SoLocalBBoxMatrixElement.h

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/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
**=======================================================================*/
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_LOCAL_BBOX_MATRIX_ELEMENT
#define  _SO_LOCAL_BBOX_MATRIX_ELEMENT
 
#include <Inventor/elements/SoModelMatrixElement.h>
 
SoEXTENDER_Documented class  SoLocalBBoxMatrixElement : public SoElement {
 
  SO_ELEMENT_HEADER(SoLocalBBoxMatrixElement);
 
 public:
  virtual void        push(SoState *state);
 
  static void         makeIdentity(SoState *state);
 
  static void         set(SoState *state, const SbMatrix &matrix);
 
  static void         mult(SoState *state, const SbMatrix &matrix);
 
  static void         translateBy(SoState *state,const SbVec3f &translation);
  static void         rotateBy(SoState *state, const SbRotation &rotation);
  static void         scaleBy(SoState *state, const SbVec3f &scaleFactor);
 
  static SbMatrix     pushMatrix(SoState *state);
  static void         popMatrix(SoState *state, const SbMatrix &m);
 
  static void         resetAll(SoState *state);
 
  static const SbMatrix &     get(SoState *state);
 
  virtual void        print(FILE *fp) const;
 
private:
 
  virtual void init(SoState *state);
 
  virtual SbBool matches(const SoElement* elt) const;
 
  virtual SoElement* copyMatchInfo() const;
 
 private:
  // Initializes the SoLocalBBoxMatrixElement class
  static void         initClass();
  static void         exitClass();
 
 private:
  SbMatrix            localMatrix;
 
  virtual ~SoLocalBBoxMatrixElement();
 
 private:
  // This stores the inverse of the current model matrix at the time
  // the element is created. It is needed in case the element is set
  // to contain a new matrix, since we want to factor out the
  // effects of the non-local part of the matrix.
  SbMatrix            modelInverseMatrix;
};
 
#endif /* _SO_LOCAL_BBOX_MATRIX_ELEMENT */