IMCtermite/lib/imc_conversion.hpp

46 lines
1.3 KiB
C++

//---------------------------------------------------------------------------//
#ifndef IMCCONVRSION
#define IMCCONVERSION
#include <vector>
//---------------------------------------------------------------------------//
namespace imc
{
// convert raw data in buffer into specific datatype
template<typename datatype>
void convert_data_to_type(std::vector<unsigned char>& subbuffer,
std::vector<imc::datatype>& channel)
{
// check number of elements of type "datatype" in buffer
if ( subbuffer.size() != channel.size()*sizeof(datatype) )
{
throw std::runtime_error("size mismatch between subbuffer and datatype");
}
// extract every single number of type "datatype" from buffer
for ( unsigned long int i = 0; i < channel.size(); i++ )
{
// declare number of required type and point it to first byte in buffer
// representing the number
datatype df;
uint8_t* dfcast = reinterpret_cast<uint8_t*>(&df);
for ( unsigned long int j = 0; j < sizeof(datatype); j++ )
{
dfcast[j] = (int)subbuffer[i*sizeof(datatype)+j];
}
// save number in channel
channel[i] = df;
}
}
}
#endif
//---------------------------------------------------------------------------//