RawReader.ih

#include <cstdlib>

// Interface - public :

template <typename T>
inline
T 
DGtal::RawReader<T>::importRaw8 (const std::string & filename, const Vector & extent ) throw(DGtal::IOException)
{
  FILE * fin;
  DGtal::IOException dgtalerror;

  fin = fopen( filename.c_str() , "r" );

  if (fin == NULL) 
      trace.error() << "RawReader : can't open "<< filename<<endl;
  
  
  typename T::Point firstPoint;
  typename T::Point lastPoint;
      
  firstPoint = T::Point::zero;
  lastPoint = extent;
  unsigned int size=1;
  for(unsigned int i=0; i < T::Domain::dimension; i++)
    {
      size *= lastPoint[i];      
      lastPoint[i]--;
    }

    
  typename T::Domain domain(firstPoint,lastPoint);
  T image(domain);
  typename T::Value val;

  //We scan the Raw file
  typename T::Domain::ConstIterator it = domain.begin(),itend=domain.end();
  unsigned int count=0;

  while ((fin) && (it != itend))
    {
      val = getc(fin);  
      image.setValue( (*it),val);
      it++;
      count++;
    }
  
  fclose( fin );
  
  if (count != size )
    {
      trace.error() << "RawReader: error while opening file "<<filename<<endl;
      throw dgtalerror;
    }
  else
    return image;
}