SoModifyLogicalViewportElement.h

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**=======================================================================*/
/*=======================================================================
** Author      : Nicolas DAGUISE (Nov 2007)
**=======================================================================*/
 
 
#ifndef SO_MODIFY_LOGICAL_VIEWPORT_ELEMENT_H
#define SO_MODIFY_LOGICAL_VIEWPORT_ELEMENT_H
 
#include <Inventor/SbViewportRegion.h>
#include <Inventor/elements/SoSubElement.h>
 
SoEXTENDER_Documented class  SoModifyLogicalViewportElement : public SoElement {
  
  SO_ELEMENT_HEADER(SoModifyLogicalViewportElement);
  
 public:
  static void set(SoState *state, const SbVec4f& portion);
  
  static const SbVec4f &get(SoState *state);
 
  static SbVec4f getDefault()
    { return SbVec4f( 0.0f, 0.0f, 1.0f, 1.0f ); }
 
  static SoModifyLogicalViewportElement *getInstance(const SoState *state, SbBool &elemIsSet);
 
  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 SoModifyLogicalViewportElement class
  static void initClass();
  static void exitClass();
 
 private:
 
  virtual ~SoModifyLogicalViewportElement();
 
private:
  SbVec4f m_portion;
  SbBool  m_isSet;
 
};
#endif // SO_MODIFY_LOGICAL_VIEWPORT_ELEMENT_H