SoDataRangeElement.h

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**=======================================================================*/
/*=======================================================================
** Author      : Jerome Hummel (Oct 2006)
**=======================================================================*/
 
 
#ifndef  _SO_DATA_RANGE_ELT_
#define  _SO_DATA_RANGE_ELT_
 
#ifdef _MSC_VER
#pragma warning( push )
#pragma warning(disable:4251)
#endif
 
#include <Inventor/elements/SoAccumulatedElement.h>
#include <Inventor/STL/map>
#include <Inventor/STL/vector>
 
class SoDataRange;
 
SoEXTENDER_Documented class  SoDataRangeElement : public SoAccumulatedElement {
  SO_ELEMENT_HEADER( SoDataRangeElement );
 
public:
 
  // Sets/Gets
  static void set(SoState* state, SoNode *node, SoDataRange*);
  static void get(SoState* state, SoDataRange*&);
 
  // Overrides push() method to copy values from next instance in the stack
  virtual void push(SoState *state) ;
 
  // Gets the data range equals to an id if exists, NULL otherwise.
  static SoDataRange* get( SoState *state, short dataRangeId);
 
  // Default values
  static void getDefault(SoDataRange *&);
 
#if 1             SoDEPRECATED
  static void get(SoState* state, std::vector<SoDataRange*>&);
 
#endif 
private:
 
  virtual void init(SoState* state);
 
  virtual SoElement* copyMatchInfo() const;
 
  virtual SbBool matches(const SoElement* elt) const;
 
private:
 
  typedef std::map<int, SoDataRange*> DataRangeIdMap;
 
  static void initClass();
  static void exitClass();
 
 
  //Gets the current list of data ranges stored in the state
  static void get(SoState* state, DataRangeIdMap&);
 
private:
  struct DataRangeInfos
  {
    double min;
    double max;
    bool mapOnFullColorRange;
    int dataRangeId;
  };
 
  virtual void setElt( SoDataRange* );
  virtual ~SoDataRangeElement() ;
 
private:
  // List of data range.
  // Each data range is stored at dr->dataRangeId entry in this array.
  // If dataRangeId are different, data ranges are accumulated else replaced.
  std::map<int,SoDataRange*> m_dataRangeMap;
  int m_numDataRange;
  std::map<int,DataRangeInfos> m_dataRangeInfosMap;
  SoDataRange *m_dataRangeNode;
};
 
#ifdef _MSC_VER
#pragma warning( pop )
#endif
 
#endif // _SO_DATA_RANGE_ELT_