SoGLPolygonOffsetElement.h

#ifndef COIN_SOGLPOLYGONOFFSETELEMENT_H
#define COIN_SOGLPOLYGONOFFSETELEMENT_H
 
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#include <Inventor/elements/SoPolygonOffsetElement.h>
 
class COIN_DLL_API SoGLPolygonOffsetElement : public SoPolygonOffsetElement {
  typedef SoPolygonOffsetElement inherited;
 
  SO_ELEMENT_HEADER(SoGLPolygonOffsetElement);
public:
  static void initClass(void);
protected:
  virtual ~SoGLPolygonOffsetElement();
 
public:
  virtual void init(SoState * state);
  virtual void push(SoState * state);
  virtual void pop(SoState * state, const SoElement * prevTopElement);
 
protected:
  virtual void setElt(float factor, float units, Style styles, SbBool on);
 
private:
 
  SoState * state; // needed to test for OpenGL extension
  void updategl(void);
};
 
#endif // !COIN_SOGLPOLYGONOFFSETELEMENT_H