Gnomon.h

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//
// This class is part of the Open Inventor Medical utility library.
//
// The medical utility classes are provided as a prebuilt library named
// "fei_inventor_medical", that can be used directly in an Open Inventor
// application. The classes in the prebuilt library are documented and
// supported by Thermo Fisher Scientific. These classes are also provided as source code.
//
// Please see $OIVHOME/include/Medical/InventorMedical.h for the full text.
//
 
#ifndef _MEDICAL_GNOMON_H
#define _MEDICAL_GNOMON_H
 
#include <Medical/InventorMedical.h>
 
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoSFVec2i32.h>
 
#include <Inventor/nodes/SoAnnotation.h>
#include <Inventor/nodes/SoCallback.h>
#include <Inventor/nodes/SoOrthographicCamera.h>
#include <Inventor/nodes/SoScale.h>
#include <Inventor/nodes/SoSwitch.h>
 
class INVENTORMEDICAL_API Gnomon : public SoAnnotation {
 
  SO_NODE_HEADER(Gnomon);
 
public:
 
  SoSFBool  isDisplayed;
 
  SoSFVec2i32 position;
 
  SoSFInt32 width;
 
  SoSFInt32 height;
 
  Gnomon();
 
  static void initClass();
 
  static void exitClass();
 
  void setScale( SbVec3f scale ) { m_gnomonScale->scaleFactor.setValue( scale ); };
 
  void setGeometry( SoNode* geometrySceneGraph );
 
private:
 
  SoSFFloat cameraDistance;
 
  SoOrthographicCamera* getCamera();
 
  virtual void notify(SoNotList *list);
 
private:
  virtual ~Gnomon();
  
  void commonConstructor();
 
  void buildGnomon();
 
  // Managed isDisplayed Field
  void updateGnomonVisibility();
 
  SoRef<SoCallback>           m_callback;
  SoRef<SoOrthographicCamera> m_camera;
  SoRef<SoSwitch>             m_displaySwitch;
  SoRef<SoScale>              m_gnomonScale;
  SoRef<SoSeparator>          m_geometry;
};
 
#endif