/* test-value.c * * Copyright 2002 Lutz M\uffffller <lutz@users.sourceforge.net> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA. */ #include <libexif/exif-utils.h> #include <libexif/exif-data.h> #include <stdio.h> #include <stdlib.h> int main () { ExifData *d; ExifEntry *e; char v[1024]; ExifSRational r = {1., 20.}; unsigned int i; d = exif_data_new (); if (!d) { printf ("Error running exif_data_new()\n"); exit(13); } e = exif_entry_new (); if (!e) { printf ("Error running exif_entry_new()\n"); exit(13); } exif_content_add_entry (d->ifd[EXIF_IFD_0], e); exif_entry_initialize (e, EXIF_TAG_SHUTTER_SPEED_VALUE); exif_set_srational (e->data, exif_data_get_byte_order (d), r); for (i = 30; i > 0; i--) { printf ("Length %2i: '%s'\n", i, exif_entry_get_value (e, v, i)); } exif_entry_unref (e); exif_data_unref (d); return 0; }