GDALImage.h

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// code guard
#ifndef __GDALIMAGE_H
#define __GDALIMAGE_H
 
// dependencies
#include <string>
#include <gdal_priv.h>
#include <cpl_conv.h>
 
namespace isce3::matchtemplate::pycuampcor {
 
class GDALImage{
public:
    // specify the types
    using size_t = std::size_t;
 
private:
    int _height;      
    int _width;       
 
    void * _memPtr = NULL; 
 
    int _pixelSize; 
 
    int _isComplex; 
 
    size_t _bufferSize; 
    int _useMmap;   
 
    // GDAL temporary objects
    GDALDataType _dataType;
    CPLVirtualMem * _poBandVirtualMem = NULL;
    GDALDataset * _poDataset = NULL;
    GDALRasterBand * _poBand = NULL;
 
public:
    //disable default constructor
    GDALImage() = delete;
    // constructor
    GDALImage(std::string fn, int band=1, int cacheSizeInGB=0, int useMmap=1);
    // destructor
    ~GDALImage();
 
    // get class properties
    void * getmemPtr()
    {
        return(_memPtr);
    }
 
    int getHeight() {
        return (_height);
    }
 
    int getWidth()
    {
        return (_width);
    }
 
    int getPixelSize()
    {
        return _pixelSize;
    }
 
    bool isComplex()
    {
        return _isComplex;
    }
 
    // load data from cpu buffer to gpu
    void loadToDevice(void *dArray, size_t h_offset, size_t w_offset, size_t h_tile, size_t w_tile);
 
};
 
} // namespace
 
#endif //__GDALIMAGE_H
// end of file