1 /* test-mem.c 2 * 3 * Copyright (c) 2002 Lutz Mueller <lutz (at) users.sourceforge.net> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301 USA. 19 */ 20 21 #include <config.h> 22 23 #include <libexif/exif-data.h> 24 #include <libexif/exif-ifd.h> 25 #include <libexif/exif-loader.h> 26 27 #include <stdio.h> 28 #include <stdlib.h> 29 30 int 31 main () 32 { 33 ExifData *ed; 34 /* ExifEntry *e; */ 35 unsigned char *eb, size[2]; 36 unsigned int ebs; 37 ExifLoader *loader; 38 unsigned int i; 39 40 printf ("Creating EXIF data...\n"); 41 ed = exif_data_new (); 42 exif_data_set_data_type (ed, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY); 43 44 printf ("Fill EXIF data with all necessary entries to follow specs...\n"); 45 exif_data_fix (ed); 46 47 exif_data_dump (ed); 48 49 printf ("Saving EXIF data to memory...\n"); 50 exif_data_save_data (ed, &eb, &ebs); 51 exif_data_unref (ed); 52 53 printf ("Writing %i byte(s) EXIF data to loader...\n", ebs); 54 loader = exif_loader_new (); 55 size[0] = (unsigned char) ebs; 56 size[1] = (unsigned char) (ebs >> 8); 57 exif_loader_write (loader, size, 2); 58 for (i = 0; i < ebs && exif_loader_write (loader, eb + i, 1); i++); 59 printf ("Wrote %i byte(s).\n", i); 60 free (eb); 61 ed = exif_loader_get_data (loader); 62 exif_loader_unref (loader); 63 exif_data_dump (ed); 64 exif_data_unref (ed); 65 66 return 0; 67 } 68
