SoViewportRegionElement.h

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**=======================================================================*/
/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
**=======================================================================*/
/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_VIEWPORT_REGION_ELEMENT
#define  _SO_VIEWPORT_REGION_ELEMENT
 
#include <Inventor/SbBasic.h>
#include <Inventor/SbViewportRegion.h>
#include <Inventor/elements/SoSubElement.h>
 
SoEXTENDER_Documented class  SoViewportRegionElement : public SoElement {
 
  SO_ELEMENT_HEADER(SoViewportRegionElement);
 
 public:
  static void         set(SoState *state,
                          const SbViewportRegion &vpReg, SbBool sendToGL = TRUE);
 
  static const SbViewportRegion & 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 SoViewportRegionElement class
  static void         initClass();
  static void         exitClass();
 
 private:
  SbViewportRegion    viewportRegion;
 
  // Sets the region in an instance
  virtual void        setElt(const SbViewportRegion &vpReg, SbBool sendToGL = TRUE);
 
  virtual ~SoViewportRegionElement();
 
 private:
  static SbViewportRegion *emptyViewportRegion;
};
 
#endif /* _SO_VIEWPORT_REGION_ELEMENT */