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