Ruler.h

//
// 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_RULER_H
#define _MEDICAL_RULER_H
 
#include <Medical/InventorMedical.h>
#include <Inventor/nodes/SoSeparator.h>
 
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoSFString.h>
 
class SoCone;
class SoFont;
class SoText2;
class SoText3;
class SoLineSet;
class SoDrawStyle;
class SoTransform;
class SoTranslation;
class SoEventCallback;
class SoVertexProperty;
class SoOrthoSliceDetail;
 
 
class INVENTORMEDICAL_API Ruler : public SoSeparator {
 
  SO_NODE_HEADER(Ruler);
 
public:
  
  SoSFFloat globalFactor;

  SoSFString label;

  bool manageMouseMove(bool firstClick, const SoOrthoSliceDetail* detail);

  SoFont* getFontNode() const;

  Ruler();

  static void initClass();

  static void exitClass();
 
private:
  virtual void notify(SoNotList *list);
 
private:
  virtual ~Ruler();
 
private:

  void buildRuler();
  void updateGlobalFactor();
 
  bool    m_text3D;
  SbVec3f m_initPos;
 
  SoDrawStyle* m_dStyle;
  SoTransform* m_leftConeTransform;
  SoTransform* m_rightConeTransform;
  SoTranslation* m_initialLeftTranslation;
  SoTranslation* m_initialRightTranslation;
  SoCone* m_leftCone;
  SoCone* m_rightCone;
 
  SoVertexProperty* m_rulerVertexProp;
  SoLineSet*   m_ruler;
 
  SoFont*      m_annotationFont;
  SoTransform* m_annotationTransform;
  SoText3*     m_rulerAnnotation3D;
  SoText2*     m_rulerAnnotation2D;
};
#endif