1 /* exif-format.c 2 * 3 * Copyright (c) 2001 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-format.h> 24 #include <libexif/i18n.h> 25 26 #include <stdlib.h> 27 28 /*! Table of data format types, descriptions and sizes. 29 * This table should be sorted in decreasing order of popularity in order 30 * to decrease the total average lookup time. 31 */ 32 static const struct { 33 ExifFormat format; 34 const char *name; 35 unsigned char size; 36 } ExifFormatTable[] = { 37 {EXIF_FORMAT_SHORT, N_("Short"), 2}, 38 {EXIF_FORMAT_RATIONAL, N_("Rational"), 8}, 39 {EXIF_FORMAT_SRATIONAL, N_("SRational"), 8}, 40 {EXIF_FORMAT_UNDEFINED, N_("Undefined"), 1}, 41 {EXIF_FORMAT_ASCII, N_("ASCII"), 1}, 42 {EXIF_FORMAT_LONG, N_("Long"), 4}, 43 {EXIF_FORMAT_BYTE, N_("Byte"), 1}, 44 {EXIF_FORMAT_SBYTE, N_("SByte"), 1}, 45 {EXIF_FORMAT_SSHORT, N_("SShort"), 2}, 46 {EXIF_FORMAT_SLONG, N_("SLong"), 4}, 47 {EXIF_FORMAT_FLOAT, N_("Float"), 4}, 48 {EXIF_FORMAT_DOUBLE, N_("Double"), 8}, 49 {0, NULL, 0} 50 }; 51 52 const char * 53 exif_format_get_name (ExifFormat format) 54 { 55 unsigned int i; 56 57 /* FIXME: This belongs to somewhere else. */ 58 /* libexif should use the default system locale. 59 * If an application specifically requires UTF-8, then we 60 * must give the application a way to tell libexif that. 61 * 62 * bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); 63 */ 64 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR); 65 66 for (i = 0; ExifFormatTable[i].name; i++) 67 if (ExifFormatTable[i].format == format) 68 return _(ExifFormatTable[i].name); 69 return NULL; 70 } 71 72 unsigned char 73 exif_format_get_size (ExifFormat format) 74 { 75 unsigned int i; 76 77 for (i = 0; ExifFormatTable[i].size; i++) 78 if (ExifFormatTable[i].format == format) 79 return ExifFormatTable[i].size; 80 return 0; 81 } 82