PoCurve.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PO_CURVE_
#define  _PO_CURVE_
 
#include <MeshViz/graph/PoGraphMaster.h>
 
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoMFFloat.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoMFInt32.h>
#include <Inventor/fields/SoMFVec2f.h>
#include <Inventor/fields/SoSFString.h>
 
 
class  PoCurve : public PoGraphMaster {
  
  SO_KIT_HEADER(PoCurve) ;
  
  /* Define fields for new parts */
  SO_KIT_CATALOG_ENTRY_HEADER(curveFillingSep) ;
  SO_KIT_CATALOG_ENTRY_HEADER(curveFillingApp) ;
  SO_KIT_CATALOG_ENTRY_HEADER(curveFilling)    ;
 
  SO_KIT_CATALOG_ENTRY_HEADER(curvePointSep) ;
  SO_KIT_CATALOG_ENTRY_HEADER(curvePointApp) ;
  SO_KIT_CATALOG_ENTRY_HEADER(curvePoint)    ;
 
  SO_KIT_CATALOG_ENTRY_HEADER(markerSep) ;
  SO_KIT_CATALOG_ENTRY_HEADER(markerApp) ;
  SO_KIT_CATALOG_ENTRY_HEADER(marker)    ;
 
  SO_KIT_CATALOG_ENTRY_HEADER(raisePointSep) ;
  SO_KIT_CATALOG_ENTRY_HEADER(raisePointApp) ;
  SO_KIT_CATALOG_ENTRY_HEADER(raisePoint)    ;
 
 
 public:
 
  enum FilterType {
    INACTIVE,     
    ALL_POINTS,   
    INDEX_PERIOD, 
    INDEX_LIST,   
    X_PERIOD,     
    X_LIST        
  } ;
 
 
 
  enum CurveRep {
    CURVE_NONE,       
    CURVE_POLYLINE,   
    CURVE_SMOOTH,     
    CURVE_STAIRS_X,   
    CURVE_STAIRS_Y,   
    CURVE_HISTO_X,    
    CURVE_HISTO_Y,    
    CURVE_STAIRS_2X,  
    CURVE_STAIRS_2Y   
  } ;
 
 
 
 
 
  /* Fields */
 
  SoMFVec2f point ;
 
  SoSFEnum  curveRep ;
 
  SoSFBool  isCurveFilled ;
 
  SoSFFloat fillingThreshold ;
 
  SoSFEnum   markerFilterType ;
 
  SoSFInt32  markerIndexPeriod ;
 
  SoMFInt32  markerIndexList ;
 
  SoSFFloat  markerXPeriod ;
 
  SoMFFloat  markerXList ;
 
  SoSFString markerString ;
 
  SoSFEnum  raiseFilterType ;
 
  SoSFInt32 raiseIndexPeriod ;
 
  SoMFInt32 raiseIndexList ;
 
  SoSFFloat raiseXPeriod ;
 
  SoMFFloat raiseXList ;
 
  SoSFFloat raiseThreshold ;
 
 
 
  /* Methods */
 
  PoCurve()
    { init(TRUE) ; }
 
  PoCurve(int numPoints, const SbVec2f *_point, CurveRep _curveRep = CURVE_POLYLINE)
    { init(FALSE, numPoints, _point, _curveRep) ; } 
 
  virtual void rebuild() ;
 
  /*----------------------------------------------------------------------------*/
 
 
 private:
  static void initClass() ;
    static void exitClass() ;
 
 private:
  // Methods
  // Destructor
  virtual ~PoCurve() ;
  virtual void   setDefaultOnNonWritingFields() ;
  virtual SbBool setUpConnections(SbBool onOff, SbBool doItAlways = FALSE) ;
 
 private:
  // Init method
  void init(SbBool isDefault, int numPoints=0, const SbVec2f *_point=NULL, 
            CurveRep _curveRep = CURVE_POLYLINE) ;
  
  // Build raise points
  void drawRaisePoints(int numPoints, const SbVec3f *pointList) ;
 
  // Build markers
  void drawMarkers(int numPoints, const SbVec3f *pointList) ;
 
  // Compute interpolation
  static void calculateInterpolation(const SbVec2f &a, const SbVec2f &b, float x, 
                                     float &y) ;
  static void calculateInterpolation2(const SbVec2f &a, const SbVec2f &b, float y, 
                                      float &x) ;
  // Sensors
  FieldSensorList fieldSensorList ;
  
  // List of fields defined in this class
  SoFieldList     fieldList ;
 
} ;
 
/*----------------------------------------------------------------------------*/
 
#endif /*  _PO_CURVE_ */