PoValueLegend.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PO_VALUE_LEGEND_
#define  _PO_VALUE_LEGEND_
 
#include <MeshViz/graph/PoLegend.h>
 
#include <MeshViz/graph/PbNumericDisplayFormat.h>
#include <MeshViz/graph/PbDataMapping.h>
 
#include <Inventor/fields/SoSFUShort.h>
#include <Inventor/fields/SoSFString.h>
 
class PbIsovaluesList ;
 
class  PoValueLegend : public PoLegend {
 
  SO_KIT_HEADER(PoValueLegend) ;
 
  /* Define fields for new parts */
  SO_KIT_CATALOG_ENTRY_HEADER(multFactorSep) ;
  SO_KIT_CATALOG_ENTRY_HEADER(multFactorApp) ;
  SO_KIT_CATALOG_ENTRY_HEADER(multFactor) ;
 
 
 public:
 
  /* Fields */
 
  SoSFString upperUndefString ;
 
  SoSFString lowerUndefString ;
 
  SoSFUShort periodValue ;
 
  SoSFUShort firstValue ;
 
  SoSFUShort lastValue ;
 
 
 
  /* Methods */
 
  void setIsovaluesList(PbIsovaluesList *isovaluesList) ;
 
  const PbIsovaluesList* getIsovaluesList() const ;
 
  void setDataMapping(PbDataMapping *dataMapping) ;
 
  const PbDataMapping *getDataMapping() const ;
 
  void setFormat(PbNumericDisplayFormat *format) ;
 
  const PbNumericDisplayFormat *getFormat() const ;
 
  /*----------------------------------------------------------------------------*/
 private:
  static void initClass() ;
    static void exitClass() ;
 
 private:
  // Box representation definition
  // This structure is the representation of one box
  struct BoxRepresentation {
    int      numColors ;          // = 0 no color, = -1 inherited color
    SbColor  colorList[2] ; 
    float    value ;
    float    value2 ;             // Use for interval legend
    float    transparency  ;
    float    transparency2 ;      // Use for interval legend  
    SbBool   isTransparency ;
    SbString string ;
 
    float    *percentPerColor ;   // Not used for the moment
    SbBool   isColorShaded ;      // Not used for the moment
  } ;
 
  enum LegendType {
    DATA_MAPPING_LEGEND,
    ISOVALUE_LEGEND,
    NO_LEGEND
  } ;
 
  enum LegendOrientation {
    HORIZONTAL_LEGEND,
    VERTICAL_LEGEND
  } ;
  
  enum MultFactorPosition {
    MULT_FACTOR_POS_UP_MIDDLE,
    MULT_FACTOR_POS_RIGHT_MIDDLE,
    MULT_FACTOR_POS_DOWN_MIDDLE
  } ;
 
  // Constructor
  PoValueLegend() ;
 
  // Methods
  virtual void   setDefaultOnNonWritingFields() ;
  virtual SbBool setUpConnections(SbBool onOff, SbBool doItAlways = FALSE) ;
  
  // Destructor
  virtual ~PoValueLegend() ;
 
  // Manage the connection with PbBase objects
  virtual void basicObjectChange(PbBase *basicObj) ;
 
  // Compute boxes representation
  void computeBoxColors(int index, SbBool isIntervalLegend) ;
 
  // Compute undef box representation
  // lowerUndefIndex = -1 no lower undef representation
  // upperUndefIndex = -1 no upper undef representation
  void computeUndefBoxRepresentation(int lowerUndefIndex, int upperUndefIndex) ;
 
  // Compute list of values
  void computeValuesList() ;
 
  // Create box representation list
  void newBoxRepresentationList(int num) ;
 
  // Delete box representation list
  void deleteBoxRepresentationList() ;
 
  // Overloaded methods
  virtual void addElementsAllCaches() ;
  virtual void preRebuild() ;
 
  // List of boxes representation
  BoxRepresentation *m_boxRepresentationList ;
  int               m_numBoxRepresentation ;
  
  // List of values to display (this list is computed thanks to
  // data mapping and isovalues list).
  float      *m_valuesList ;
  int        m_numberValues ;
  SbBool     m_isLowerUndef, m_isUpperUndef ;
  LegendType m_legendType ; 
  
  // DataMapping Type
  PbDataMapping::ClassType m_dataMappingType ;
  float                    m_transparencyDeletedParts ;
  
  // Orientation of the legend (HORIZONTAL or VERTICAL)
  LegendOrientation m_legendOrientation ;
  
  // Multiplicative factor in the legend
  SbBool    m_isMultFactor ;
  SbString  m_multFactorExpString ;   // Exponent of the mult factor
  float     m_multFactorWidth ;
 
 private:
  // Default numeric format
  PbNumericDisplayFormat m_defaultNumericFormat ;
 
  // Numeric diplay format 
  PbNumericDisplayFormat *m_numericDisplayFormat ;
 
  // Data mapping
  PbDataMapping *m_dataMap ;
 
  // Isovalue list
  PbIsovaluesList *m_isovalList ;
 
  // Sensors
  FieldSensorList m_fieldSensorList ;
  
  // List of fields defined in this class
  SoFieldList     m_fieldList ;
} ;
 
/*----------------------------------------------------------------------------*/
 
#endif /* _PO_VALUE_LEGEND_ */