GdalIoHandler.h

 
/* SPDX-License-Identifier: CC0-1.0 */
 
#ifndef GdalIoHandler_h
#define GdalIoHandler_h
 
#include "Constants.h"
#include "ImageIoHandler.h"
#include "SpecialPixel.h"
 
#include "gdal_priv.h"
 
class QFile;
class QMutex;
class QString;
template <typename A> class QList;
 
namespace Isis {
  class Buffer;
  class CubeCachingAlgorithm;
  class Pvl;

  class GdalIoHandler : public ImageIoHandler {
    public:
      GdalIoHandler(QString &dataFilePath, const QList<int> *virtualBandList, GDALDataType pixelType = GDT_Float64, GDALAccess eAccess=GA_ReadOnly);
      GdalIoHandler(GDALDataset *geodataSet, const QList<int> *virtualBandList, GDALDataType pixelType = GDT_Float64);
      void init();
      virtual ~GdalIoHandler();
 
      virtual void read(Buffer &bufferToFill) const;
      virtual void write(const Buffer &bufferToWrite);
 
      virtual BigInt getDataSize() const;
      virtual void updateLabels(Pvl &labels);
 
      virtual void clearCache(bool blockForWriteCache=false) {
        m_geodataSet->FlushCache(blockForWriteCache);
      }
 
    private:
      void readPixelType(double *doubleBuff, void *rawBuff, int idx) const;
      bool writePixelType(double *doubleBuff, void *rawBuff, int idx) const;
 
      GDALDataset *m_geodataSet = nullptr;
      std::string m_geodataSetPath = "";
      GDALDataType m_pixelType;
      int m_lines;
      int m_samples;
      int m_bands;
      double m_offset;
      double m_scale;
      unsigned char *m_maskBuff = nullptr;
      bool m_datasetOwner = false;
      double m_gdalNoDataValue = NULL8;
      std::string m_driverName;
  };
}
 
#endif