SoVRLdmFileReader.h

/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
 ***                                                                                ***
 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
 ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
 ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
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 ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
 ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
 ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
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 ***                   COPYRIGHT (C) 1996-2023 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Author      : J. Hummel (Apr 2003)
**=======================================================================*/
#ifndef  _SO_VR_LDM_FILE_READER_
#define  _SO_VR_LDM_FILE_READER_
 
#include <Inventor/STL/string>
#include <LDM/readers/SoLDMReader.h>
#include <Inventor/threads/SbThread.h>
#include <Inventor/STL/vector>
 
#ifdef _MSC_VER
#pragma warning( push )
#pragma warning(disable:4251)
#endif
 
class SbThreadMutex;
class SiBitFile;
 
 
class  SoVRLdmFileReader : public SoLDMReader  
{
  SO_FIELDCONTAINER_HEADER(SoVRLdmFileReader);
 
  using SoLDMReader::getDataChar;
 
public:
  SoVRLdmFileReader();
 
  virtual ReadError getDataChar( SbBox3f &size, SoDataSet::DataType &type,  SbVec3i32 &dim ) override;
 
   virtual SbBool getMinMax(int64_t & min, int64_t & max);
 
  virtual SbBool getMinMax(double & min, double & max);
 
  virtual SbBool getHistogram(std::vector<int64_t>& numVox);
 
  virtual int getNumSignificantBits() { return m_numSignificantBits; }
 
  virtual SbBool isThreadSafe() const;
 
#if 1             SoDEPRECATED
  void getSubSlice( const SbBox2i32& subSlice, int sliceNumber, void * data );
 
#endif 
#if 1             SoDEPRECATED
  virtual SbBool getMinMax(int & min, int & max);
 
#endif 
 private:
 
  //returns histo and values. bool returned whether some values are set or not
  virtual SbBool getHistogramAndValues(std::vector<int64_t>& numVox, std::vector<double>& values);
 
  // Internal use only. Return true if reader has an histogram (check m_entries size).
  virtual SbBool hasHistogram();
 
  virtual void saveCustomsTags(FILE* ldmHeader);
 
  virtual SbBool setOutputDataType( SbBool doChange, SoDataSet::DataType type );
 
 private:
    bool  m_isDataSigned;
    bool  m_isDataFloat;
 
    SoDataSet::DataType m_type;
 
    int m_numSignificantBits;
 
    //min, max
    int64_t m_dataMin , m_dataMax;
    double  m_dataMinD, m_dataMaxD;
 
    //histo
    std::vector<int>     m_entries;
    std::vector<int64_t> m_values;
    std::vector<double>  m_valuesD;
    std::vector<int64_t> m_numVoxels;
 
    virtual int handleHeader(TiXmlElement *);
 
private:
    void internalInit();
    bool isTagCustom(const SbString& tagValue );
 
    SoDataSet* m_ds;
    bool m_changeFormat;
    SoDataSet::DataType m_typeOut;
    std::set<SbString> ldmKnownTags;
};
 
#ifdef _MSC_VER
#pragma warning( pop )
#endif
 
#endif // _SO_VR_LDM_FILE_READER_