for(int i = 0; i < 112 && infile.tellg() <= 37854; i++){
 for(int j = 0; j < 112 && infile.tellg() <= 37854; j++){
  infile.get(in);
  infile.ignore(); // ignore the next character (this was probably originally stored as an int)
  //outfile << typetxt((unsigned char) in);
  if(i % 2){   // if i is odd
   bmpdata[i / 2][j] |= type((unsigned char)in); // set the low bits
  }else{
   bmpdata[i / 2][j] |= type((unsigned char)in) << 4; // set the high bits
  }
 }
 //outfile << endl;
}