JP2Decoder.h

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#ifndef JP2Decoder_h
#define JP2Decoder_h
 
/* SPDX-License-Identifier: CC0-1.0 */
 
#include <string>
 
#include "gdal_priv.h"
 
namespace Isis {

  class JP2Decoder {
    public:
      JP2Decoder(const QString &jp2file);
      ~JP2Decoder();
 
      // Open and initialize the JP2 file for reading
      void OpenFile();
 
      // Get the sample dimension of the JP2 file
      inline int GetSampleDimension() const {
        return (int)p_numSamples;
      }
 
      // Get the line dimension of the JP2 file
      inline int GetLineDimension() const {
        return (int)p_numLines;
      }
 
      // Get the band dimension of the JP2 file
      inline int GetBandDimension() const {
        return (int)p_numBands;
      }
 
      // Get number of bytes per pixel in the JP2 file
      inline int GetPixelBytes() const {
        return p_pixelBytes;
      }
 
      // Determine if data in JP2 file is signed
      inline bool GetSignedData() const {
        return p_signedData;
      }
 
      // Read byte data from the JP2 file
      void Read(unsigned char **inbuf);
 
      // Read 16-bit data from the JP2 file
      void Read(short int **inbuf);
 
      static bool IsJP2(QString filename);
 
    private:
      QString p_jp2File;                 
      unsigned int p_numSamples = 0;     
      unsigned int p_numLines = 0;       
      unsigned int p_numBands = 0;       
      unsigned int p_pixelBytes = 0;     
      bool p_signedData = false;         
 
      GDALDataset *p_dataset = nullptr;  
      int p_currentLine = 0;             
  };
};
#endif