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<li class="navelem"><a class="el" href="namespaceExiv2.html">Exiv2</a></li><li class="navelem"><a class="el" href="classExiv2_1_1ExifKey.html">ExifKey</a></li> </ul>
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<div class="title">Exiv2::ExifKey Class Reference</div> </div>
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<p>Concrete keys for Exif metadata and access to Exif tag reference data.
<a href="classExiv2_1_1ExifKey.html#details">More...</a></p>
<p><code>#include <tags.hpp></code></p>
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<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for Exiv2::ExifKey:</div>
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<area shape="rect" id="node2" href="classExiv2_1_1Key.html" title="Abstract base class defining the Key of a metadatum. Keys are used to identify and group metadata..." alt="" coords="25,5,148,32"/></map>
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<div id="dynsection-1" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
<img id="dynsection-1-trigger" src="closed.png" alt="+"/> Collaboration diagram for Exiv2::ExifKey:</div>
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<map name="Exiv2_1_1ExifKey_coll__map" id="Exiv2_1_1ExifKey_coll__map">
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<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structExiv2_1_1ExifKey_1_1Impl.html">Impl</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Internal Pimpl structure with private members and data of class <a class="el" href="classExiv2_1_1ExifKey.html" title="Concrete keys for Exif metadata and access to Exif tag reference data. ">ExifKey</a>. <a href="structExiv2_1_1ExifKey_1_1Impl.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a88f3c3ee83cc5c342ab72c777d5e12ce"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a88f3c3ee83cc5c342ab72c777d5e12ce"></a>
typedef std::auto_ptr< <a class="el" href="classExiv2_1_1ExifKey.html">ExifKey</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a88f3c3ee83cc5c342ab72c777d5e12ce">AutoPtr</a></td></tr>
<tr class="memdesc:a88f3c3ee83cc5c342ab72c777d5e12ce"><td class="mdescLeft"> </td><td class="mdescRight">Shortcut for an ExifKey auto pointer. <br /></td></tr>
<tr class="separator:a88f3c3ee83cc5c342ab72c777d5e12ce"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_types_classExiv2_1_1Key"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classExiv2_1_1Key')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classExiv2_1_1Key.html">Exiv2::Key</a></td></tr>
<tr class="memitem:a9bf9953294ceb8d272908a0680aeade8 inherit pub_types_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9bf9953294ceb8d272908a0680aeade8"></a>
typedef std::auto_ptr< <a class="el" href="classExiv2_1_1Key.html">Key</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#a9bf9953294ceb8d272908a0680aeade8">AutoPtr</a></td></tr>
<tr class="memdesc:a9bf9953294ceb8d272908a0680aeade8 inherit pub_types_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Shortcut for a Key auto pointer. <br /></td></tr>
<tr class="separator:a9bf9953294ceb8d272908a0680aeade8 inherit pub_types_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Creators</div></td></tr>
<tr class="memitem:a0874f4846012c3c0b67690ebb3fe9f9a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a0874f4846012c3c0b67690ebb3fe9f9a">ExifKey</a> (const std::string &<a class="el" href="classExiv2_1_1ExifKey.html#a7afe667bb54e7f04cf60e577d1ccc39a">key</a>)</td></tr>
<tr class="memdesc:a0874f4846012c3c0b67690ebb3fe9f9a"><td class="mdescLeft"> </td><td class="mdescRight">Constructor to create an Exif key from a key string. <a href="#a0874f4846012c3c0b67690ebb3fe9f9a">More...</a><br /></td></tr>
<tr class="separator:a0874f4846012c3c0b67690ebb3fe9f9a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8def2fe4560de6a5d470230df6539e47"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a8def2fe4560de6a5d470230df6539e47">ExifKey</a> (uint16_t <a class="el" href="classExiv2_1_1ExifKey.html#a69d85de3523c02b683c2b2cfe0817473">tag</a>, const std::string &<a class="el" href="classExiv2_1_1ExifKey.html#a1a4d15bf196111ecc01ad3574bd56eb9">groupName</a>)</td></tr>
<tr class="memdesc:a8def2fe4560de6a5d470230df6539e47"><td class="mdescLeft"> </td><td class="mdescRight">Constructor to create an Exif key from the tag number and group name. <a href="#a8def2fe4560de6a5d470230df6539e47">More...</a><br /></td></tr>
<tr class="separator:a8def2fe4560de6a5d470230df6539e47"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3c8df38c1a6d76b1533d9b3ae32f083d"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a3c8df38c1a6d76b1533d9b3ae32f083d">ExifKey</a> (const <a class="el" href="structExiv2_1_1TagInfo.html">TagInfo</a> &ti)</td></tr>
<tr class="memdesc:a3c8df38c1a6d76b1533d9b3ae32f083d"><td class="mdescLeft"> </td><td class="mdescRight">Constructor to create an Exif key from a <a class="el" href="structExiv2_1_1TagInfo.html" title="Tag information. ">TagInfo</a> instance. <a href="#a3c8df38c1a6d76b1533d9b3ae32f083d">More...</a><br /></td></tr>
<tr class="separator:a3c8df38c1a6d76b1533d9b3ae32f083d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a60c87fdaf37922883f415a7ba244a968"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a60c87fdaf37922883f415a7ba244a968"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a60c87fdaf37922883f415a7ba244a968">ExifKey</a> (const <a class="el" href="classExiv2_1_1ExifKey.html">ExifKey</a> &rhs)</td></tr>
<tr class="memdesc:a60c87fdaf37922883f415a7ba244a968"><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor. <br /></td></tr>
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<tr class="memitem:a5c9a1458c1aedf11ee44c1564375a2e1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5c9a1458c1aedf11ee44c1564375a2e1"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a5c9a1458c1aedf11ee44c1564375a2e1">~ExifKey</a> ()</td></tr>
<tr class="memdesc:a5c9a1458c1aedf11ee44c1564375a2e1"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr class="memitem:a3827a71a5647f0163660bdf6d3733fbb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3827a71a5647f0163660bdf6d3733fbb"></a>
<a class="el" href="classExiv2_1_1ExifKey.html">ExifKey</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a3827a71a5647f0163660bdf6d3733fbb">operator=</a> (const <a class="el" href="classExiv2_1_1ExifKey.html">ExifKey</a> &rhs)</td></tr>
<tr class="memdesc:a3827a71a5647f0163660bdf6d3733fbb"><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. <br /></td></tr>
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<tr class="memitem:adea5f86a54e3f9fd336fa3a2ec8bbc1b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adea5f86a54e3f9fd336fa3a2ec8bbc1b"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#adea5f86a54e3f9fd336fa3a2ec8bbc1b">setIdx</a> (int <a class="el" href="classExiv2_1_1ExifKey.html#ad7c5de10de9b6734b060e3433118926b">idx</a>)</td></tr>
<tr class="memdesc:adea5f86a54e3f9fd336fa3a2ec8bbc1b"><td class="mdescLeft"> </td><td class="mdescRight">Set the index. <br /></td></tr>
<tr class="separator:adea5f86a54e3f9fd336fa3a2ec8bbc1b"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<tr class="memitem:a7afe667bb54e7f04cf60e577d1ccc39a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7afe667bb54e7f04cf60e577d1ccc39a"></a>
virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a7afe667bb54e7f04cf60e577d1ccc39a">key</a> () const </td></tr>
<tr class="memdesc:a7afe667bb54e7f04cf60e577d1ccc39a"><td class="mdescLeft"> </td><td class="mdescRight">Return the key of the metadatum as a string. The key is of the form 'familyName.groupName.tagName'. Note however that the key is not necessarily unique, e.g., an <a class="el" href="classExiv2_1_1ExifData.html" title="A container for Exif data. This is a top-level class of the Exiv2 library. The container holds Exifda...">ExifData</a> may contain multiple metadata with the same key. <br /></td></tr>
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<tr class="memitem:ae366a66496a84b4f766e677d6ce289ac"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae366a66496a84b4f766e677d6ce289ac"></a>
virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#ae366a66496a84b4f766e677d6ce289ac">familyName</a> () const </td></tr>
<tr class="memdesc:ae366a66496a84b4f766e677d6ce289ac"><td class="mdescLeft"> </td><td class="mdescRight">Return an identifier for the type of metadata (the first part of the key) <br /></td></tr>
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<tr class="memitem:a1a4d15bf196111ecc01ad3574bd56eb9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1a4d15bf196111ecc01ad3574bd56eb9"></a>
virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a1a4d15bf196111ecc01ad3574bd56eb9">groupName</a> () const </td></tr>
<tr class="memdesc:a1a4d15bf196111ecc01ad3574bd56eb9"><td class="mdescLeft"> </td><td class="mdescRight">Return the name of the group (the second part of the key) <br /></td></tr>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a2790786f043fac57dbfe971ee9dae42f">ifdId</a> () const </td></tr>
<tr class="memdesc:a2790786f043fac57dbfe971ee9dae42f"><td class="mdescLeft"> </td><td class="mdescRight">Return the IFD id as an integer. (Do not use, this is meant for library internal use.) <br /></td></tr>
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virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#ac07b3698bb118ee22fa6989b5807c562">tagName</a> () const </td></tr>
<tr class="memdesc:ac07b3698bb118ee22fa6989b5807c562"><td class="mdescLeft"> </td><td class="mdescRight">Return the name of the tag (which is also the third part of the key) <br /></td></tr>
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<tr class="memitem:a69d85de3523c02b683c2b2cfe0817473"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a69d85de3523c02b683c2b2cfe0817473"></a>
virtual uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a69d85de3523c02b683c2b2cfe0817473">tag</a> () const </td></tr>
<tr class="memdesc:a69d85de3523c02b683c2b2cfe0817473"><td class="mdescLeft"> </td><td class="mdescRight">Return the tag number. <br /></td></tr>
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virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a0db5806c2e85bf63609573f80f418a71">tagLabel</a> () const </td></tr>
<tr class="memdesc:a0db5806c2e85bf63609573f80f418a71"><td class="mdescLeft"> </td><td class="mdescRight">Return a label for the tag. <br /></td></tr>
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<tr class="memitem:a1ed16f1d4b3bdadf1aef81eebd97a570"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1ed16f1d4b3bdadf1aef81eebd97a570"></a>
std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a1ed16f1d4b3bdadf1aef81eebd97a570">tagDesc</a> () const </td></tr>
<tr class="memdesc:a1ed16f1d4b3bdadf1aef81eebd97a570"><td class="mdescLeft"> </td><td class="mdescRight">Return the tag description. <br /></td></tr>
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<a class="el" href="namespaceExiv2.html#a5153319711f35fe81cbc13f4b852450c">TypeId</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#a483892a376d7cb58d2a02a037b8f4c63">defaultTypeId</a> () const </td></tr>
<tr class="memdesc:a483892a376d7cb58d2a02a037b8f4c63"><td class="mdescLeft"> </td><td class="mdescRight">Return the default type id for this tag. <br /></td></tr>
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<tr class="memitem:a1260f76764a691afbaff18534c7985cc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1260f76764a691afbaff18534c7985cc"></a>
<a class="el" href="classExiv2_1_1Key.html#a9bf9953294ceb8d272908a0680aeade8">AutoPtr</a> </td><td class="memItemRight" valign="bottom"><b>clone</b> () const </td></tr>
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<tr class="memitem:ad7c5de10de9b6734b060e3433118926b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad7c5de10de9b6734b060e3433118926b"></a>
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifKey.html#ad7c5de10de9b6734b060e3433118926b">idx</a> () const </td></tr>
<tr class="memdesc:ad7c5de10de9b6734b060e3433118926b"><td class="mdescLeft"> </td><td class="mdescRight">Return the index (unique id of this key within the original Exif data, 0 if not set) <br /></td></tr>
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<tr class="inherit_header pub_methods_classExiv2_1_1Key"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classExiv2_1_1Key')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classExiv2_1_1Key.html">Exiv2::Key</a></td></tr>
<tr class="memitem:a574f73b95eb37cfa7ad509b0b1c26b61 inherit pub_methods_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a574f73b95eb37cfa7ad509b0b1c26b61"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#a574f73b95eb37cfa7ad509b0b1c26b61">~Key</a> ()</td></tr>
<tr class="memdesc:a574f73b95eb37cfa7ad509b0b1c26b61 inherit pub_methods_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a574f73b95eb37cfa7ad509b0b1c26b61 inherit pub_methods_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9f7e6d66e806bb9e80f35ca77d12062c inherit pub_methods_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9f7e6d66e806bb9e80f35ca77d12062c"></a>
<a class="el" href="classExiv2_1_1Key.html#a9bf9953294ceb8d272908a0680aeade8">AutoPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#a9f7e6d66e806bb9e80f35ca77d12062c">clone</a> () const </td></tr>
<tr class="memdesc:a9f7e6d66e806bb9e80f35ca77d12062c inherit pub_methods_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Return an auto-pointer to a copy of itself (deep copy). The caller owns this copy and the auto-pointer ensures that it will be deleted. <br /></td></tr>
<tr class="separator:a9f7e6d66e806bb9e80f35ca77d12062c inherit pub_methods_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adc70aa4f962abd267e2d4f98f89538b5 inherit pub_methods_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adc70aa4f962abd267e2d4f98f89538b5"></a>
std::ostream & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#adc70aa4f962abd267e2d4f98f89538b5">write</a> (std::ostream &os) const </td></tr>
<tr class="memdesc:adc70aa4f962abd267e2d4f98f89538b5 inherit pub_methods_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Write the key to an output stream. You do not usually have to use this function; it is used for the implementation of the output operator for Key, <a class="el" href="namespaceExiv2.html#aa225826fb028de2941da4230b51dfb95" title="Output operator for Key types. ">operator<<(std::ostream &os, const Key &key)</a>. <br /></td></tr>
<tr class="separator:adc70aa4f962abd267e2d4f98f89538b5 inherit pub_methods_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_methods_classExiv2_1_1Key"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classExiv2_1_1Key')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classExiv2_1_1Key.html">Exiv2::Key</a></td></tr>
<tr class="memitem:a25d4c3b768148728e8b03fa47d4206cc inherit pro_methods_classExiv2_1_1Key"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a25d4c3b768148728e8b03fa47d4206cc"></a>
<a class="el" href="classExiv2_1_1Key.html">Key</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Key.html#a25d4c3b768148728e8b03fa47d4206cc">operator=</a> (const <a class="el" href="classExiv2_1_1Key.html">Key</a> &rhs)</td></tr>
<tr class="memdesc:a25d4c3b768148728e8b03fa47d4206cc inherit pro_methods_classExiv2_1_1Key"><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. Protected so that it can only be used by subclasses but not directly. <br /></td></tr>
<tr class="separator:a25d4c3b768148728e8b03fa47d4206cc inherit pro_methods_classExiv2_1_1Key"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Concrete keys for Exif metadata and access to Exif tag reference data. </p>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="addmoddel_8cpp-example.html#_a5">addmoddel.cpp</a>.</dd>
</dl></div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">Exiv2::ExifKey::ExifKey </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>key</em></td><td>)</td>
<td></td>
</tr>
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Constructor to create an Exif key from a key string. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">key</td><td>The key string. </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>if the first part of the key is not '<b>Exif</b>' or the remainin parts of the key cannot be parsed and converted to a group name and tag name. </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="structExiv2_1_1ExifKey_1_1Impl.html#ae806dc4eb7794447f5889c2883b37003">Exiv2::ExifKey::Impl::decomposeKey()</a>.</p>
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<td class="memname">Exiv2::ExifKey::ExifKey </td>
<td>(</td>
<td class="paramtype">uint16_t </td>
<td class="paramname"><em>tag</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>groupName</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Constructor to create an Exif key from the tag number and group name. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">tag</td><td>The tag value </td></tr>
<tr><td class="paramname">groupName</td><td>The name of the group, i.e., the second part of the Exif key. </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>if the key cannot be constructed from the tag number and group name. </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="namespaceExiv2_1_1Internal.html#a8d40d5f0bced57d0a6564f7d5bfe9494">Exiv2::Internal::groupId()</a>, <a class="el" href="classExiv2_1_1ExifKey.html#a1a4d15bf196111ecc01ad3574bd56eb9">groupName()</a>, <a class="el" href="structExiv2_1_1ExifKey_1_1Impl.html#a888861e3e239676cea5afd6e7429fb12">Exiv2::ExifKey::Impl::groupName_</a>, <a class="el" href="classExiv2_1_1ExifKey.html#a2790786f043fac57dbfe971ee9dae42f">ifdId()</a>, <a class="el" href="namespaceExiv2_1_1Internal.html#ac8ecf0d2152798e13bf5c0b2edebcb78">Exiv2::Internal::isExifIfd()</a>, <a class="el" href="namespaceExiv2_1_1Internal.html#a080ea8768c028af335952d166ef3e2e9">Exiv2::Internal::isMakerIfd()</a>, <a class="el" href="structExiv2_1_1ExifKey_1_1Impl.html#a950fbe85d36bc8677619c12f531e61fc">Exiv2::ExifKey::Impl::makeKey()</a>, and <a class="el" href="namespaceExiv2_1_1Internal.html#a741128c1e42e2dd283160b20c43b215f">Exiv2::Internal::tagInfo()</a>.</p>
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<td class="memname">Exiv2::ExifKey::ExifKey </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structExiv2_1_1TagInfo.html">TagInfo</a> & </td>
<td class="paramname"><em>ti</em></td><td>)</td>
<td></td>
</tr>
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<p>Constructor to create an Exif key from a <a class="el" href="structExiv2_1_1TagInfo.html" title="Tag information. ">TagInfo</a> instance. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ti</td><td>The <a class="el" href="structExiv2_1_1TagInfo.html" title="Tag information. ">TagInfo</a> instance </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>if the key cannot be constructed from the tag number and group name. </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="structExiv2_1_1ExifKey_1_1Impl.html#a888861e3e239676cea5afd6e7429fb12">Exiv2::ExifKey::Impl::groupName_</a>, <a class="el" href="classExiv2_1_1ExifKey.html#a2790786f043fac57dbfe971ee9dae42f">ifdId()</a>, <a class="el" href="structExiv2_1_1TagInfo.html#ab2e85247276b0422e6f62d3581b160fb">Exiv2::TagInfo::ifdId_</a>, <a class="el" href="namespaceExiv2_1_1Internal.html#ac8ecf0d2152798e13bf5c0b2edebcb78">Exiv2::Internal::isExifIfd()</a>, <a class="el" href="namespaceExiv2_1_1Internal.html#a080ea8768c028af335952d166ef3e2e9">Exiv2::Internal::isMakerIfd()</a>, <a class="el" href="structExiv2_1_1ExifKey_1_1Impl.html#a950fbe85d36bc8677619c12f531e61fc">Exiv2::ExifKey::Impl::makeKey()</a>, and <a class="el" href="structExiv2_1_1TagInfo.html#a291383d59e6a7f82e4a877f3e386cfca">Exiv2::TagInfo::tag_</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="tags_8hpp.html">tags.hpp</a></li>
<li>tags.cpp</li>
</ul>
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