Function boxaaReadFromFiles

deps/leptonica/src/boxbasic.c:1823–1858

---------------------------------------------------------------------* * Boxaa serialized I/O * *---------------------------------------------------------------------*/ ! * \brief boxaaReadFromFiles() * * \param[in] dirname directory * \param[in] substr [optional] substring filter on filenames; can be NULL * \param[in] first 0-based

 * </pre>
 */
BOXAA *
boxaaReadFromFiles(const char  *dirname,
                   const char  *substr,
                   l_int32      first,
                   l_int32      nfiles)
{
char    *fname;
l_int32  i, n;
BOXA    *boxa;
BOXAA   *baa;
SARRAY  *sa;

  PROCNAME("boxaaReadFromFiles");

  if (!dirname)
      return (BOXAA *)ERROR_PTR("dirname not defined", procName, NULL);

  sa = getSortedPathnamesInDirectory(dirname, substr, first, nfiles);
  if (!sa || ((n = sarrayGetCount(sa)) == 0)) {
      sarrayDestroy(&sa);
      return (BOXAA *)ERROR_PTR("no pixa files found", procName, NULL);
  }

  baa = boxaaCreate(n);
  for (i = 0; i < n; i++) {
      fname = sarrayGetString(sa, i, L_NOCOPY);
      if ((boxa = boxaRead(fname)) == NULL) {
          L_ERROR("boxa not read for %d-th file", procName, i);
          continue;
      }
      boxaaAddBoxa(baa, boxa, L_INSERT);
  }

  sarrayDestroy(&sa);
  return baa;
}


/*!