SoROIElement.h

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**=======================================================================*/
/*=======================================================================
** Author      : P. ESTRADE (Mar 2000)
**=======================================================================*/
 
  
#ifndef  _SO_ROI_ELEMENT_
#define  _SO_ROI_ELEMENT_
 
#include <Inventor/elements/SoReplacedElement.h>
#include <Inventor/SbBox.h>
#include <LDM/SoLDM.h>
 
class SoROI;
 
class  SoROIElement : public SoReplacedElement
{
  SO_ELEMENT_HEADER( SoROIElement );
 
public:
 
  virtual void push(SoState* state);
 
  // Sets/Gets the current volume data attributes in the state
  static void set(SoState* state, SoNode *node, SoROI *ROINode);
  static void get(SoState* state, SoROI *&ROINode);
 
  static SoROI* get(SoState* state, int dataSetId = 0);
 
  // Default values
  static void getDefault(SoROI *&ROINode);
 
private:
 
  virtual void init(SoState* state);
 
  virtual SbBool matches(const SoElement* elt) const;
 
  virtual SoElement* copyMatchInfo() const;
 
private:
  // Initializes the SoVolumeData class
  static void initClass();
  static void exitClass();
 
private:
  virtual void setElt( SoROI *ROINode );
 
  virtual ~SoROIElement() ;
 
private:
  // Set copy constructor as private to avoid automatic public one
  SoROIElement(const SoROIElement&)
  {}
 
  SoROI* findROIById(const SoLDM::DataSetIdPairList& idPairList, int dataSetId) const;
 
  struct Parameters
  {
    Parameters();
    Parameters(const Parameters& other);
    Parameters(SoROI* roi);
 
    Parameters& operator=(const Parameters& other);
    bool operator==(const Parameters& other) const;
 
    SoROI* ROINode;
    SbBox3i32 box;
    int flags;
    SbBox3i32 subVolume;
    SbBool  relative;
  };
 
  std::map<int, Parameters> m_params;
  int m_lastId;
  static const Parameters defaultParams;
};
 
#endif // _SO_ROI_ELEMENT_