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<h1>exif-utils.h</h1> </div>
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<a href="exif-utils_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00004"></a>00004 <span class="comment">/*</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (c) 2001 Lutz Mueller <lutz@users.sourceforge.net></span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00008"></a>00008 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00009"></a>00009 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00010"></a>00010 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful, </span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of </span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00015"></a>00015 <span class="comment"> * Lesser General Public License for more details. </span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> * License along with this library; if not, write to the</span>
<a name="l00019"></a>00019 <span class="comment"> * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301 USA.</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef __EXIF_UTILS_H__</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define __EXIF_UTILS_H__</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00028"></a>00028 <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <libexif/exif-byte-order.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <libexif/exif-format.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <libexif/_stdint.h></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="comment">/* If these definitions don't work for you, please let us fix the </span>
<a name="l00036"></a>00036 <span class="comment"> * macro generating _stdint.h */</span>
<a name="l00037"></a>00037
<a name="l00039"></a><a class="code" href="exif-utils_8h.html#a2bf005f30616ce5ae66b985624e6e96d">00039</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="exif-utils_8h.html#a2bf005f30616ce5ae66b985624e6e96d" title="EXIF Unsigned Byte data type.">ExifByte</a>; <span class="comment">/* 1 byte */</span>
<a name="l00040"></a>00040
<a name="l00042"></a><a class="code" href="exif-utils_8h.html#a1356c2567057899c64d0a25786d723ff">00042</a> <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">char</span> <a class="code" href="exif-utils_8h.html#a1356c2567057899c64d0a25786d723ff" title="EXIF Signed Byte data type.">ExifSByte</a>; <span class="comment">/* 1 byte */</span>
<a name="l00043"></a>00043
<a name="l00045"></a><a class="code" href="exif-utils_8h.html#a697f5af4295e78bc3c7f3f4262879b2f">00045</a> <span class="keyword">typedef</span> <span class="keywordtype">char</span> * <a class="code" href="exif-utils_8h.html#a697f5af4295e78bc3c7f3f4262879b2f" title="EXIF Text String data type.">ExifAscii</a>;
<a name="l00046"></a>00046
<a name="l00048"></a><a class="code" href="exif-utils_8h.html#a398536727127a9bc2206ffbdacaafaad">00048</a> <span class="keyword">typedef</span> uint16_t <a class="code" href="exif-utils_8h.html#a398536727127a9bc2206ffbdacaafaad" title="EXIF Unsigned Short data type.">ExifShort</a>; <span class="comment">/* 2 bytes */</span>
<a name="l00049"></a>00049
<a name="l00051"></a><a class="code" href="exif-utils_8h.html#a67d91a929ae0a1b734ced5f497428d3b">00051</a> <span class="keyword">typedef</span> int16_t <a class="code" href="exif-utils_8h.html#a67d91a929ae0a1b734ced5f497428d3b" title="EXIF Signed Short data type.">ExifSShort</a>; <span class="comment">/* 2 bytes */</span>
<a name="l00052"></a>00052
<a name="l00054"></a><a class="code" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa">00054</a> <span class="keyword">typedef</span> uint32_t <a class="code" href="exif-utils_8h.html#a34c5d7765ab2e6dec8308c5127a10afa" title="EXIF Unsigned Long data type.">ExifLong</a>; <span class="comment">/* 4 bytes */</span>
<a name="l00055"></a>00055
<a name="l00057"></a><a class="code" href="exif-utils_8h.html#a34d3e46cb03b44374e56984e6a983019">00057</a> <span class="keyword">typedef</span> int32_t <a class="code" href="exif-utils_8h.html#a34d3e46cb03b44374e56984e6a983019" title="EXIF Signed Long data type.">ExifSLong</a>; <span class="comment">/* 4 bytes */</span>
<a name="l00058"></a>00058
<a name="l00060"></a><a class="code" href="structExifRational.html">00060</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{ExifLong numerator; ExifLong denominator;} <a class="code" href="structExifRational.html" title="EXIF Unsigned Rational data type.">ExifRational</a>;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">typedef</span> <span class="keywordtype">char</span> ExifUndefined; <span class="comment">/* 1 byte */</span>
<a name="l00063"></a>00063
<a name="l00065"></a><a class="code" href="structExifSRational.html">00065</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{ExifSLong numerator; ExifSLong denominator;} <a class="code" href="structExifSRational.html" title="EXIF Signed Rational data type.">ExifSRational</a>;
<a name="l00066"></a>00066
<a name="l00067"></a>00067
<a name="l00074"></a>00074 ExifShort exif_get_short (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order);
<a name="l00075"></a>00075
<a name="l00082"></a>00082 ExifSShort exif_get_sshort (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order);
<a name="l00083"></a>00083
<a name="l00090"></a>00090 ExifLong exif_get_long (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order);
<a name="l00091"></a>00091
<a name="l00098"></a>00098 ExifSLong exif_get_slong (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order);
<a name="l00099"></a>00099
<a name="l00106"></a>00106 <a class="code" href="structExifRational.html" title="EXIF Unsigned Rational data type.">ExifRational</a> exif_get_rational (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order);
<a name="l00107"></a>00107
<a name="l00114"></a>00114 <a class="code" href="structExifSRational.html" title="EXIF Signed Rational data type.">ExifSRational</a> exif_get_srational (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order);
<a name="l00115"></a>00115
<a name="l00122"></a>00122 <span class="keywordtype">void</span> exif_set_short (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order,
<a name="l00123"></a>00123 ExifShort value);
<a name="l00124"></a>00124
<a name="l00131"></a>00131 <span class="keywordtype">void</span> exif_set_sshort (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order,
<a name="l00132"></a>00132 ExifSShort value);
<a name="l00133"></a>00133
<a name="l00140"></a>00140 <span class="keywordtype">void</span> exif_set_long (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order,
<a name="l00141"></a>00141 ExifLong value);
<a name="l00142"></a>00142
<a name="l00149"></a>00149 <span class="keywordtype">void</span> exif_set_slong (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order,
<a name="l00150"></a>00150 ExifSLong value);
<a name="l00151"></a>00151
<a name="l00158"></a>00158 <span class="keywordtype">void</span> exif_set_rational (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order,
<a name="l00159"></a>00159 <a class="code" href="structExifRational.html" title="EXIF Unsigned Rational data type.">ExifRational</a> value);
<a name="l00160"></a>00160
<a name="l00167"></a>00167 <span class="keywordtype">void</span> exif_set_srational (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *b, ExifByteOrder order,
<a name="l00168"></a>00168 <a class="code" href="structExifSRational.html" title="EXIF Signed Rational data type.">ExifSRational</a> value);
<a name="l00169"></a>00169
<a name="l00171"></a>00171 <span class="keywordtype">void</span> exif_convert_utf16_to_utf8 (<span class="keywordtype">char</span> *out, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *in, <span class="keywordtype">int</span> maxlen);
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="comment">/* Please do not use this function outside of the library. */</span>
<a name="l00174"></a>00174
<a name="l00176"></a>00176 <span class="keywordtype">void</span> exif_array_set_byte_order (<a class="code" href="exif-format_8h.html#a761152047d73b4a9fcdc4e2051b817d2" title="EXIF tag data formats.">ExifFormat</a>, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>,
<a name="l00177"></a>00177 ExifByteOrder o_orig, ExifByteOrder o_new);
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="preprocessor">#undef MIN</span>
<a name="l00180"></a>00180 <span class="preprocessor"></span><span class="preprocessor">#define MIN(a, b) (((a) < (b)) ? (a) : (b))</span>
<a name="l00181"></a>00181 <span class="preprocessor"></span>
<a name="l00182"></a>00182 <span class="preprocessor">#undef MAX</span>
<a name="l00183"></a>00183 <span class="preprocessor"></span><span class="preprocessor">#define MAX(a, b) (((a) > (b)) ? (a) : (b))</span>
<a name="l00184"></a>00184 <span class="preprocessor"></span>
<a name="l00185"></a>00185 <span class="comment">/* For compatibility with older versions */</span>
<a name="l00186"></a>00186
<a name="l00188"></a><a class="code" href="exif-utils_8h.html#ae25323c5bacc023eef01d895d89b5b9a">00188</a> <span class="preprocessor">#define EXIF_TAG_SUBSEC_TIME EXIF_TAG_SUB_SEC_TIME</span>
<a name="l00189"></a>00189 <span class="preprocessor"></span>
<a name="l00190"></a>00190 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00191"></a>00191 <span class="preprocessor"></span>}
<a name="l00192"></a>00192 <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span>
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="preprocessor">#endif </span><span class="comment">/* __EXIF_UTILS_H__ */</span>
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