SoPolygonOffsetElement.h

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**=======================================================================*/
/*=======================================================================
** Author      : R. ALBOU (Dec 1998)
**=======================================================================*/
 
                                                             /* include files */
#ifndef  _SO_POLYGON_OFFSET_ELEMENT_
#define  _SO_POLYGON_OFFSET_ELEMENT_
 
#include <Inventor/elements/SoReplacedElement.h>
#include <Inventor/SbEnums.h>
 
SoEXTENDER_Documented class  SoPolygonOffsetElement : public SoReplacedElement {
 
  SO_ELEMENT_HEADER(SoPolygonOffsetElement) ;
 
 public:
  enum Style {
    FILLED = SbEnums::OFFSET_SOLID,
    LINES  = SbEnums::OFFSET_WIREFRAME,
    POINTS = SbEnums::OFFSET_WIREFRAME
  } ;
 
  static void set(SoState *state, SoNode *node, float factor, float units, Style styles, SbBool on) ;
  static void get(SoState *state, float &factor, float &units, Style &styles, SbBool &on) ;
  
  virtual void  push(SoState *state) ;
 
  static void getDefault(float &factor, float &units, Style &styles, SbBool &on) ;
 
private:
 
  virtual void init(SoState *state);
 
  virtual SbBool matches(const SoElement* elt) const;
 
  virtual SoElement* copyMatchInfo() const;
 
 private:
  // Initializes the SoPolygonOffsetElement class
  static void initClass() ;
  static void exitClass() ;
 
 private:
  float  m_factor ;
  float  m_units ;
  Style  m_stylesMask ;
  SbBool m_on ;
 
  virtual void setElt(float factor, float units, Style styles, SbBool on) ;
 
  virtual ~SoPolygonOffsetElement() ;
} ;
 
#endif /* _SO_POLYGON_OFFSET_ELEMENT_ */