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Edit File: exif-loader_8h.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.9.1"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>EXIF library (libexif) API: libexif/exif-loader.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">EXIF library (libexif) API <span id="projectnumber">0.6.24</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.9.1 --> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',false,false,'search.php','Search'); }); /* @license-end */</script> <div id="main-nav"></div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function(){initNavTree('exif-loader_8h.html',''); initResizable(); }); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#typedef-members">Typedefs</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">exif-loader.h File Reference</div> </div> </div><!--header--> <div class="contents"> <p>Defines the ExifLoader type. <a href="#details">More...</a></p> <div class="textblock"><code>#include <<a class="el" href="exif-data_8h_source.html">libexif/exif-data.h</a>></code><br /> <code>#include <<a class="el" href="exif-log_8h_source.html">libexif/exif-log.h</a>></code><br /> <code>#include <<a class="el" href="exif-mem_8h_source.html">libexif/exif-mem.h</a>></code><br /> </div> <p><a href="exif-loader_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a> Typedefs</h2></td></tr> <tr class="memitem:a2b96cbffaf0f92340a960f887026eced"><td class="memItemLeft" align="right" valign="top"><a id="a2b96cbffaf0f92340a960f887026eced"></a> typedef struct _ExifLoader </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a></td></tr> <tr class="memdesc:a2b96cbffaf0f92340a960f887026eced"><td class="mdescLeft"> </td><td class="mdescRight">Data used by the loader interface. <br /></td></tr> <tr class="separator:a2b96cbffaf0f92340a960f887026eced"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:a2d4278edbd89b5af3e5a4fe29b5e085c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#a2d4278edbd89b5af3e5a4fe29b5e085c">exif_loader_new</a> (void)</td></tr> <tr class="memdesc:a2d4278edbd89b5af3e5a4fe29b5e085c"><td class="mdescLeft"> </td><td class="mdescRight">Allocate a new <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. <a href="exif-loader_8h.html#a2d4278edbd89b5af3e5a4fe29b5e085c">More...</a><br /></td></tr> <tr class="separator:a2d4278edbd89b5af3e5a4fe29b5e085c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a95c8505132b2465c1078b0842285bfc7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#a95c8505132b2465c1078b0842285bfc7">exif_loader_new_mem</a> (<a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> *mem)</td></tr> <tr class="memdesc:a95c8505132b2465c1078b0842285bfc7"><td class="mdescLeft"> </td><td class="mdescRight">Allocate a new <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a> using the specified memory allocator. <a href="exif-loader_8h.html#a95c8505132b2465c1078b0842285bfc7">More...</a><br /></td></tr> <tr class="separator:a95c8505132b2465c1078b0842285bfc7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac5e7a899a7499b56772b671add54fcde"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#ac5e7a899a7499b56772b671add54fcde">exif_loader_ref</a> (<a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> *loader)</td></tr> <tr class="memdesc:ac5e7a899a7499b56772b671add54fcde"><td class="mdescLeft"> </td><td class="mdescRight">Increase the refcount of the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. <a href="exif-loader_8h.html#ac5e7a899a7499b56772b671add54fcde">More...</a><br /></td></tr> <tr class="separator:ac5e7a899a7499b56772b671add54fcde"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7f4e3dfa0df969ac8c232327840ca105"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#a7f4e3dfa0df969ac8c232327840ca105">exif_loader_unref</a> (<a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> *loader)</td></tr> <tr class="memdesc:a7f4e3dfa0df969ac8c232327840ca105"><td class="mdescLeft"> </td><td class="mdescRight">Decrease the refcount of the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. <a href="exif-loader_8h.html#a7f4e3dfa0df969ac8c232327840ca105">More...</a><br /></td></tr> <tr class="separator:a7f4e3dfa0df969ac8c232327840ca105"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a613e86cc4f12d488fbd23fe97a0d30c5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#a613e86cc4f12d488fbd23fe97a0d30c5">exif_loader_write_file</a> (<a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> *loader, const char *fname)</td></tr> <tr class="memdesc:a613e86cc4f12d488fbd23fe97a0d30c5"><td class="mdescLeft"> </td><td class="mdescRight">Load a file into the given <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a> from the filesystem. <a href="exif-loader_8h.html#a613e86cc4f12d488fbd23fe97a0d30c5">More...</a><br /></td></tr> <tr class="separator:a613e86cc4f12d488fbd23fe97a0d30c5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad1b65ac6288f5f28aa2b4b3d2bf3f56f"><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#ad1b65ac6288f5f28aa2b4b3d2bf3f56f">exif_loader_write</a> (<a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> *loader, unsigned char *buf, unsigned int sz)</td></tr> <tr class="memdesc:ad1b65ac6288f5f28aa2b4b3d2bf3f56f"><td class="mdescLeft"> </td><td class="mdescRight">Load a buffer into the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a> from a memory buffer. <a href="exif-loader_8h.html#ad1b65ac6288f5f28aa2b4b3d2bf3f56f">More...</a><br /></td></tr> <tr class="separator:ad1b65ac6288f5f28aa2b4b3d2bf3f56f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a080d8ebb5006c1306a3a798ff60253a5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#a080d8ebb5006c1306a3a798ff60253a5">exif_loader_reset</a> (<a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> *loader)</td></tr> <tr class="memdesc:a080d8ebb5006c1306a3a798ff60253a5"><td class="mdescLeft"> </td><td class="mdescRight">Free any data previously loaded and reset the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a> to its newly-initialized state. <a href="exif-loader_8h.html#a080d8ebb5006c1306a3a798ff60253a5">More...</a><br /></td></tr> <tr class="separator:a080d8ebb5006c1306a3a798ff60253a5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:abe54111cdaf5b0559a20e1e76c31a86c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="exif-data_8h.html#ae62aab6698d7c078e38cd445ddcb8abf">ExifData</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#abe54111cdaf5b0559a20e1e76c31a86c">exif_loader_get_data</a> (<a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> *loader)</td></tr> <tr class="memdesc:abe54111cdaf5b0559a20e1e76c31a86c"><td class="mdescLeft"> </td><td class="mdescRight">Create an <a class="el" href="exif-data_8h.html#ae62aab6698d7c078e38cd445ddcb8abf" title="Represents the entire EXIF data found in an image.">ExifData</a> from the data in the loader. <a href="exif-loader_8h.html#abe54111cdaf5b0559a20e1e76c31a86c">More...</a><br /></td></tr> <tr class="separator:abe54111cdaf5b0559a20e1e76c31a86c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:acb140c6f8bce84eb228592dcf202025d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#acb140c6f8bce84eb228592dcf202025d">exif_loader_get_buf</a> (<a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> *loader, const unsigned char **buf, unsigned int *buf_size)</td></tr> <tr class="memdesc:acb140c6f8bce84eb228592dcf202025d"><td class="mdescLeft"> </td><td class="mdescRight">Return the raw data read by the loader. <a href="exif-loader_8h.html#acb140c6f8bce84eb228592dcf202025d">More...</a><br /></td></tr> <tr class="separator:acb140c6f8bce84eb228592dcf202025d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0779beeb15d0c56ae7442f4740f1baf7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-loader_8h.html#a0779beeb15d0c56ae7442f4740f1baf7">exif_loader_log</a> (<a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> *loader, <a class="el" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> *log)</td></tr> <tr class="memdesc:a0779beeb15d0c56ae7442f4740f1baf7"><td class="mdescLeft"> </td><td class="mdescRight">Set the log message object used by this <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. <a href="exif-loader_8h.html#a0779beeb15d0c56ae7442f4740f1baf7">More...</a><br /></td></tr> <tr class="separator:a0779beeb15d0c56ae7442f4740f1baf7"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>Defines the ExifLoader type. </p> </div><h2 class="groupheader">Function Documentation</h2> <a id="acb140c6f8bce84eb228592dcf202025d"></a> <h2 class="memtitle"><span class="permalink"><a href="#acb140c6f8bce84eb228592dcf202025d">◆ </a></span>exif_loader_get_buf()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void exif_loader_get_buf </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td> <td class="paramname"><em>loader</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const unsigned char ** </td> <td class="paramname"><em>buf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned int * </td> <td class="paramname"><em>buf_size</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Return the raw data read by the loader. </p> <p>The returned pointer is only guaranteed to be valid until the next call to a function modifying this <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. Either or both of buf and buf_size may be NULL on entry, in which case that value is not returned.</p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">loader</td><td>the loader </td></tr> <tr><td class="paramdir">[out]</td><td class="paramname">buf</td><td>read-only pointer to the data read by the loader, or NULL in case of error </td></tr> <tr><td class="paramdir">[out]</td><td class="paramname">buf_size</td><td>size of the data at buf, or 0 in case of error </td></tr> </table> </dd> </dl> </div> </div> <a id="abe54111cdaf5b0559a20e1e76c31a86c"></a> <h2 class="memtitle"><span class="permalink"><a href="#abe54111cdaf5b0559a20e1e76c31a86c">◆ </a></span>exif_loader_get_data()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="exif-data_8h.html#ae62aab6698d7c078e38cd445ddcb8abf">ExifData</a>* exif_loader_get_data </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td> <td class="paramname"><em>loader</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Create an <a class="el" href="exif-data_8h.html#ae62aab6698d7c078e38cd445ddcb8abf" title="Represents the entire EXIF data found in an image.">ExifData</a> from the data in the loader. </p> <p>The loader must already contain data from a previous call to <a class="el" href="exif-loader_8h.html#a613e86cc4f12d488fbd23fe97a0d30c5" title="Load a file into the given ExifLoader from the filesystem.">exif_loader_write_file</a> or <a class="el" href="exif-loader_8h.html#ad1b65ac6288f5f28aa2b4b3d2bf3f56f" title="Load a buffer into the ExifLoader from a memory buffer.">exif_loader_write</a>.</p> <dl class="section note"><dt>Note</dt><dd>The <a class="el" href="exif-data_8h.html#ae62aab6698d7c078e38cd445ddcb8abf" title="Represents the entire EXIF data found in an image.">ExifData</a> returned is created using its default options, which may take effect before the data is returned. If other options are desired, an <a class="el" href="exif-data_8h.html#ae62aab6698d7c078e38cd445ddcb8abf" title="Represents the entire EXIF data found in an image.">ExifData</a> must be created explicitly and data extracted from the loader using <a class="el" href="exif-loader_8h.html#acb140c6f8bce84eb228592dcf202025d" title="Return the raw data read by the loader.">exif_loader_get_buf</a> instead.</dd></dl> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">loader</td><td>the loader </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>allocated ExifData</dd></dl> <dl class="section see"><dt>See also</dt><dd><a class="el" href="exif-loader_8h.html#acb140c6f8bce84eb228592dcf202025d" title="Return the raw data read by the loader.">exif_loader_get_buf</a> </dd></dl> <p class="reference">References <a class="el" href="exif-data_8h.html#ae3ca622e7c30ea30eca06de3a120d84f">exif_data_load_data()</a>, <a class="el" href="exif-data_8h.html#af0d9d41ffeb6cd98906cd5ba5819c5ef">exif_data_log()</a>, and <a class="el" href="exif-data_8h.html#ae0236d550b49c78505b82105da905b94">exif_data_new_mem()</a>.</p> <p class="reference">Referenced by <a class="el" href="exif-data_8h.html#ac3c2d86223d3b219bad7ab2d28d8b8d2">exif_data_new_from_file()</a>.</p> </div> </div> <a id="a0779beeb15d0c56ae7442f4740f1baf7"></a> <h2 class="memtitle"><span class="permalink"><a href="#a0779beeb15d0c56ae7442f4740f1baf7">◆ </a></span>exif_loader_log()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void exif_loader_log </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td> <td class="paramname"><em>loader</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b">ExifLog</a> * </td> <td class="paramname"><em>log</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Set the log message object used by this <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">loader</td><td>the loader </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">log</td><td><a class="el" href="exif-log_8h.html#a6b225115984bb2016282923cb487f16b" title="State maintained by the logging interface.">ExifLog</a> </td></tr> </table> </dd> </dl> </div> </div> <a id="a2d4278edbd89b5af3e5a4fe29b5e085c"></a> <h2 class="memtitle"><span class="permalink"><a href="#a2d4278edbd89b5af3e5a4fe29b5e085c">◆ </a></span>exif_loader_new()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a>* exif_loader_new </td> <td>(</td> <td class="paramtype">void </td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Allocate a new <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. </p> <dl class="section return"><dt>Returns</dt><dd>allocated ExifLoader </dd></dl> <p class="reference">References <a class="el" href="exif-loader_8h.html#a95c8505132b2465c1078b0842285bfc7">exif_loader_new_mem()</a>, <a class="el" href="exif-mem_8h.html#acd2926c29b470c9d43f84567a84d5acb">exif_mem_new_default()</a>, and <a class="el" href="exif-mem_8h.html#adabd1345e1172ce379658cecfd3f7d70">exif_mem_unref()</a>.</p> <p class="reference">Referenced by <a class="el" href="exif-data_8h.html#ac3c2d86223d3b219bad7ab2d28d8b8d2">exif_data_new_from_file()</a>.</p> </div> </div> <a id="a95c8505132b2465c1078b0842285bfc7"></a> <h2 class="memtitle"><span class="permalink"><a href="#a95c8505132b2465c1078b0842285bfc7">◆ </a></span>exif_loader_new_mem()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a>* exif_loader_new_mem </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-mem_8h.html#aab8aacbc0ed6f11a1f022b7b1bf4750e">ExifMem</a> * </td> <td class="paramname"><em>mem</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Allocate a new <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a> using the specified memory allocator. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">mem</td><td>the ExifMem </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>allocated ExifLoader </dd></dl> <p class="reference">Referenced by <a class="el" href="exif-loader_8h.html#a2d4278edbd89b5af3e5a4fe29b5e085c">exif_loader_new()</a>.</p> </div> </div> <a id="ac5e7a899a7499b56772b671add54fcde"></a> <h2 class="memtitle"><span class="permalink"><a href="#ac5e7a899a7499b56772b671add54fcde">◆ </a></span>exif_loader_ref()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void exif_loader_ref </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td> <td class="paramname"><em>loader</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Increase the refcount of the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">loader</td><td>the ExifLoader to increase the refcount of. </td></tr> </table> </dd> </dl> </div> </div> <a id="a080d8ebb5006c1306a3a798ff60253a5"></a> <h2 class="memtitle"><span class="permalink"><a href="#a080d8ebb5006c1306a3a798ff60253a5">◆ </a></span>exif_loader_reset()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void exif_loader_reset </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td> <td class="paramname"><em>loader</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Free any data previously loaded and reset the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a> to its newly-initialized state. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">loader</td><td>the loader </td></tr> </table> </dd> </dl> </div> </div> <a id="a7f4e3dfa0df969ac8c232327840ca105"></a> <h2 class="memtitle"><span class="permalink"><a href="#a7f4e3dfa0df969ac8c232327840ca105">◆ </a></span>exif_loader_unref()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void exif_loader_unref </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td> <td class="paramname"><em>loader</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Decrease the refcount of the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>. </p> <p>If the refcount reaches 0, the loader is freed.</p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">loader</td><td>ExifLoader for which to decrease the refcount </td></tr> </table> </dd> </dl> <p class="reference">Referenced by <a class="el" href="exif-data_8h.html#ac3c2d86223d3b219bad7ab2d28d8b8d2">exif_data_new_from_file()</a>.</p> </div> </div> <a id="ad1b65ac6288f5f28aa2b4b3d2bf3f56f"></a> <h2 class="memtitle"><span class="permalink"><a href="#ad1b65ac6288f5f28aa2b4b3d2bf3f56f">◆ </a></span>exif_loader_write()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned char exif_loader_write </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td> <td class="paramname"><em>loader</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned char * </td> <td class="paramname"><em>buf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned int </td> <td class="paramname"><em>sz</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Load a buffer into the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a> from a memory buffer. </p> <p>The relevant data is copied in raw form into the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>.</p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">loader</td><td>loader to write to </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">buf</td><td>buffer to read from </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">sz</td><td>size of the buffer </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>1 while EXIF data is read (or while there is still hope that there will be EXIF data later on), 0 otherwise. </dd></dl> </div> </div> <a id="a613e86cc4f12d488fbd23fe97a0d30c5"></a> <h2 class="memtitle"><span class="permalink"><a href="#a613e86cc4f12d488fbd23fe97a0d30c5">◆ </a></span>exif_loader_write_file()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void exif_loader_write_file </td> <td>(</td> <td class="paramtype"><a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced">ExifLoader</a> * </td> <td class="paramname"><em>loader</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>fname</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Load a file into the given <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a> from the filesystem. </p> <p>The relevant data is copied in raw form into the <a class="el" href="exif-loader_8h.html#a2b96cbffaf0f92340a960f887026eced" title="Data used by the loader interface.">ExifLoader</a>.</p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir">[in]</td><td class="paramname">loader</td><td>loader to write to </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">fname</td><td>path to the file to read </td></tr> </table> </dd> </dl> <p class="reference">Referenced by <a class="el" href="exif-data_8h.html#ac3c2d86223d3b219bad7ab2d28d8b8d2">exif_data_new_from_file()</a>.</p> </div> </div> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_04d2bd150f7cc849eeec70b9b0fdccb1.html">libexif</a></li><li class="navelem"><a class="el" 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