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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Exiv2: Exiv2::ExifData Class Reference</title>
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<a class="el" href="namespaceExiv2.html">Exiv2</a>::<a class="el" href="classExiv2_1_1ExifData.html">ExifData</a></div>
<h1>Exiv2::ExifData Class Reference</h1><!-- doxytag: class="Exiv2::ExifData" -->A container for Exif data. This is a top-level class of the Exiv2 library. The container holds <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> objects.
<a href="#_details">More...</a>
<p>
<code>#include <exif.hpp></code>
<p>
Collaboration diagram for Exiv2::ExifData:<p><center><img src="classExiv2_1_1ExifData__coll__graph.png" border="0" usemap="#Exiv2_1_1ExifData__coll__map" alt="Collaboration graph"></center>
<map name="Exiv2_1_1ExifData__coll__map">
<area href="classExiv2_1_1MakerNote.html" shape="rect" coords="5,188,133,212" alt="">
<area href="classExiv2_1_1Ifd.html" shape="rect" coords="291,188,368,212" alt="">
<area href="classExiv2_1_1TiffHeader.html" shape="rect" coords="392,188,515,212" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classExiv2_1_1ExifData-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="02e2a2acb4cfeb0f7755c1a45f94106f"></a><!-- doxytag: member="Exiv2::ExifData::iterator" ref="02e2a2acb4cfeb0f7755c1a45f94106f" args="" -->
typedef ExifMetadata::iterator </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#02e2a2acb4cfeb0f7755c1a45f94106f">iterator</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">ExifMetadata iterator type. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2b8ac7a474d6527c0f3f6a0a9cebef77"></a><!-- doxytag: member="Exiv2::ExifData::const_iterator" ref="2b8ac7a474d6527c0f3f6a0a9cebef77" args="" -->
typedef ExifMetadata::const_iterator </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#2b8ac7a474d6527c0f3f6a0a9cebef77">const_iterator</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">ExifMetadata const iterator type. <br></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Creators</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c90ba2bb8997acf40ee8f9dfdd9c44ad"></a><!-- doxytag: member="Exiv2::ExifData::ExifData" ref="c90ba2bb8997acf40ee8f9dfdd9c44ad" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#c90ba2bb8997acf40ee8f9dfdd9c44ad">ExifData</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8634929b7ef1dd1d8a077a3726ae2e78"></a><!-- doxytag: member="Exiv2::ExifData::ExifData" ref="8634929b7ef1dd1d8a077a3726ae2e78" args="(const ExifData &rhs)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#8634929b7ef1dd1d8a077a3726ae2e78">ExifData</a> (const <a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> &rhs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor (Todo: copy image data also). <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3cddc534c05c3d051990a42874e19730"></a><!-- doxytag: member="Exiv2::ExifData::~ExifData" ref="3cddc534c05c3d051990a42874e19730" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#3cddc534c05c3d051990a42874e19730">~ExifData</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d023092a4b30bef6c77a3558ba9dc9b7"></a><!-- doxytag: member="Exiv2::ExifData::operator=" ref="d023092a4b30bef6c77a3558ba9dc9b7" args="(const ExifData &rhs)" -->
<a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#d023092a4b30bef6c77a3558ba9dc9b7">operator=</a> (const <a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> &rhs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator (Todo: assign image data also). <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#2f3aad57089a740ec53fb4d38fb6f7b7">load</a> (const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> *buf, long len)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Load the Exif data from a byte buffer. The data buffer must start with the TIFF header. This method is deprecated. Use <a class="el" href="classExiv2_1_1ImageFactory.html#981013bdf0d31ec7f64f0f6339fe323e">ImageFactory::open()</a> instead. <a href="#2f3aad57089a740ec53fb4d38fb6f7b7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#6e2dc3e18ddb3a8e7e82518e80e9c5c9">copy</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write the Exif data to a data buffer, which is returned. The caller owns this copy and DataBuf ensures that it will be deleted. The copied data starts with the TIFF header. <a href="#6e2dc3e18ddb3a8e7e82518e80e9c5c9"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#5c56fca27e6c2c3700d6138e8401f39e">operator[]</a> (const std::string &key)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a reference to the Exifdatum that is associated with a particular <em>key</em>. If ExifData does not already contain such an Exifdatum, operator[] adds object <em>Exifdatum(key)</em>. <a href="#5c56fca27e6c2c3700d6138e8401f39e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="841b205ae0af419c2639f86d9bf03267"></a><!-- doxytag: member="Exiv2::ExifData::add" ref="841b205ae0af419c2639f86d9bf03267" args="(Entries::const_iterator begin, Entries::const_iterator end, ByteOrder byteOrder)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#841b205ae0af419c2639f86d9bf03267">add</a> (Entries::const_iterator begin, Entries::const_iterator end, <a class="el" href="namespaceExiv2.html#94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> byteOrder)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add all (IFD) entries in the range from iterator position begin to iterator position end to the Exif metadata. No duplicate checks are performed, i.e., it is possible to add multiple metadata with the same key. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="91d231cd1b9fefc311c5166e30ab66eb"></a><!-- doxytag: member="Exiv2::ExifData::add" ref="91d231cd1b9fefc311c5166e30ab66eb" args="(const ExifKey &key, const Value *pValue)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#91d231cd1b9fefc311c5166e30ab66eb">add</a> (const <a class="el" href="classExiv2_1_1ExifKey.html">ExifKey</a> &key, const <a class="el" href="classExiv2_1_1Value.html">Value</a> *pValue)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add an <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> from the supplied key and value pair. This method copies (clones) key and value. No duplicate checks are performed, i.e., it is possible to add multiple metadata with the same key. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#d809ad2a4689a15a899d1ddba954ae2b">add</a> (const <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> &exifdatum)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a copy of the <em>exifdatum</em> to the Exif metadata. No duplicate checks are performed, i.e., it is possible to add multiple metadata with the same key. <a href="#d809ad2a4689a15a899d1ddba954ae2b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="13b24f0ee2a3f585cf714b9418b75edd"></a><!-- doxytag: member="Exiv2::ExifData::erase" ref="13b24f0ee2a3f585cf714b9418b75edd" args="(iterator pos)" -->
<a class="el" href="classExiv2_1_1ExifData.html#02e2a2acb4cfeb0f7755c1a45f94106f">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#13b24f0ee2a3f585cf714b9418b75edd">erase</a> (<a class="el" href="classExiv2_1_1ExifData.html#02e2a2acb4cfeb0f7755c1a45f94106f">iterator</a> pos)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete the <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> at iterator position <em>pos</em>, return the position of the next exifdatum. Note that iterators into the metadata, including <em>pos</em>, are potentially invalidated by this call. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1d8ccafb025f9d5800686903b6250f2b"></a><!-- doxytag: member="Exiv2::ExifData::clear" ref="1d8ccafb025f9d5800686903b6250f2b" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#1d8ccafb025f9d5800686903b6250f2b">clear</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete all <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> instances resulting in an empty container. Note that this also removes thumbnails. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9a52cead52e69e79252ffd7ee5bc8818"></a><!-- doxytag: member="Exiv2::ExifData::sortByKey" ref="9a52cead52e69e79252ffd7ee5bc8818" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#9a52cead52e69e79252ffd7ee5bc8818">sortByKey</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sort metadata by key. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1495692d4d076247380549214cbf0cc7"></a><!-- doxytag: member="Exiv2::ExifData::sortByTag" ref="1495692d4d076247380549214cbf0cc7" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#1495692d4d076247380549214cbf0cc7">sortByTag</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sort metadata by tag. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="53bce2980ee060fc2da5fe6751f51db9"></a><!-- doxytag: member="Exiv2::ExifData::begin" ref="53bce2980ee060fc2da5fe6751f51db9" args="()" -->
<a class="el" href="classExiv2_1_1ExifData.html#02e2a2acb4cfeb0f7755c1a45f94106f">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#53bce2980ee060fc2da5fe6751f51db9">begin</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Begin of the metadata. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9c15177b03489e3d4bb81e9acc1165fe"></a><!-- doxytag: member="Exiv2::ExifData::end" ref="9c15177b03489e3d4bb81e9acc1165fe" args="()" -->
<a class="el" href="classExiv2_1_1ExifData.html#02e2a2acb4cfeb0f7755c1a45f94106f">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#9c15177b03489e3d4bb81e9acc1165fe">end</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">End of the metadata. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9700e579aef8fd1845dd5da59b608773"></a><!-- doxytag: member="Exiv2::ExifData::findKey" ref="9700e579aef8fd1845dd5da59b608773" args="(const ExifKey &key)" -->
<a class="el" href="classExiv2_1_1ExifData.html#02e2a2acb4cfeb0f7755c1a45f94106f">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#9700e579aef8fd1845dd5da59b608773">findKey</a> (const <a class="el" href="classExiv2_1_1ExifKey.html">ExifKey</a> &key)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Find a <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> with the given <em>key</em>, return an iterator to it. If multiple metadata with the same key exist, it is undefined which of the matching metadata is found. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classExiv2_1_1ExifData.html#02e2a2acb4cfeb0f7755c1a45f94106f">iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#5994212de541e2828e6694ca2470dc83">findIfdIdIdx</a> (<a class="el" href="namespaceExiv2.html#1615152767a506a955c9d13443b56b62">IfdId</a> ifdId, int idx)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Find the <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> with the given <em>ifdId</em> and <em>idx</em>, return an iterator to it. <a href="#5994212de541e2828e6694ca2470dc83"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#2601586bd2c7f1e198bb3a9454397bd7">setJpegThumbnail</a> (const std::string &path, <a class="el" href="namespaceExiv2.html#edcaa9af0563cbd00a19b040d5aa7a70">URational</a> xres, <a class="el" href="namespaceExiv2.html#edcaa9af0563cbd00a19b040d5aa7a70">URational</a> yres, uint16_t unit)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the Exif thumbnail to the Jpeg image <em>path</em>. Set XResolution, YResolution and ResolutionUnit to <em>xres</em>, <em>yres</em> and <em>unit</em>, respectively. <a href="#2601586bd2c7f1e198bb3a9454397bd7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#ce60eaaa223ce90e572c74895d0c1b3b">setJpegThumbnail</a> (const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> *buf, long size, <a class="el" href="namespaceExiv2.html#edcaa9af0563cbd00a19b040d5aa7a70">URational</a> xres, <a class="el" href="namespaceExiv2.html#edcaa9af0563cbd00a19b040d5aa7a70">URational</a> yres, uint16_t unit)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the Exif thumbnail to the Jpeg image pointed to by <em>buf</em>, and size <em>size</em>. Set XResolution, YResolution and ResolutionUnit to <em>xres</em>, <em>yres</em> and <em>unit</em>, respectively. <a href="#ce60eaaa223ce90e572c74895d0c1b3b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#f1569d57a60afa07f6822d1e98e70711">setJpegThumbnail</a> (const std::string &path)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the Exif thumbnail to the Jpeg image <em>path</em>. <a href="#f1569d57a60afa07f6822d1e98e70711"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#44c6f74de638e60d4219061776458f6c">setJpegThumbnail</a> (const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> *buf, long size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the Exif thumbnail to the Jpeg image pointed to by <em>buf</em>, and size <em>size</em>. <a href="#44c6f74de638e60d4219061776458f6c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#7616fcab93d80fd6591ddd07b14cfc1e">eraseThumbnail</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete the thumbnail from the Exif data. Removes all Exif.Thumbnail.*, i.e., IFD1 metadata. <a href="#7616fcab93d80fd6591ddd07b14cfc1e"></a><br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="97cf11fcf9dcaf7469becac408414f63"></a><!-- doxytag: member="Exiv2::ExifData::begin" ref="97cf11fcf9dcaf7469becac408414f63" args="() const " -->
<a class="el" href="classExiv2_1_1ExifData.html#2b8ac7a474d6527c0f3f6a0a9cebef77">const_iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#97cf11fcf9dcaf7469becac408414f63">begin</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Begin of the metadata. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c0782f9bee7ddad3cf9f74f30a961d6b"></a><!-- doxytag: member="Exiv2::ExifData::end" ref="c0782f9bee7ddad3cf9f74f30a961d6b" args="() const " -->
<a class="el" href="classExiv2_1_1ExifData.html#2b8ac7a474d6527c0f3f6a0a9cebef77">const_iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#c0782f9bee7ddad3cf9f74f30a961d6b">end</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">End of the metadata. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="db57edad9a63385cb0be74bdfe3d01b6"></a><!-- doxytag: member="Exiv2::ExifData::findKey" ref="db57edad9a63385cb0be74bdfe3d01b6" args="(const ExifKey &key) const " -->
<a class="el" href="classExiv2_1_1ExifData.html#2b8ac7a474d6527c0f3f6a0a9cebef77">const_iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#db57edad9a63385cb0be74bdfe3d01b6">findKey</a> (const <a class="el" href="classExiv2_1_1ExifKey.html">ExifKey</a> &key) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Find an exifdatum with the given <em>key</em>, return a const iterator to it. If multiple metadata with the same key exist, it is undefined which of the matching metadata is found. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classExiv2_1_1ExifData.html#2b8ac7a474d6527c0f3f6a0a9cebef77">const_iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#c1f4b07d80d810cbe33153e1909291f6">findIfdIdIdx</a> (<a class="el" href="namespaceExiv2.html#1615152767a506a955c9d13443b56b62">IfdId</a> ifdId, int idx) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Find the exifdatum with the given <em>ifdId</em> and <em>idx</em>, return an iterator to it. <a href="#c1f4b07d80d810cbe33153e1909291f6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4993c68fbb50731014c307852875c731"></a><!-- doxytag: member="Exiv2::ExifData::empty" ref="4993c68fbb50731014c307852875c731" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#4993c68fbb50731014c307852875c731">empty</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return true if there is no Exif metadata. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5feeccc886934b66e1b5b1ec9128ef28"></a><!-- doxytag: member="Exiv2::ExifData::count" ref="5feeccc886934b66e1b5b1ec9128ef28" args="() const " -->
long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#5feeccc886934b66e1b5b1ec9128ef28">count</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the number of metadata entries. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5e2a0986e237e4b914d72a3dd5f33342"></a><!-- doxytag: member="Exiv2::ExifData::byteOrder" ref="5e2a0986e237e4b914d72a3dd5f33342" args="() const " -->
<a class="el" href="namespaceExiv2.html#94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#5e2a0986e237e4b914d72a3dd5f33342">byteOrder</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the byte order. Default is little endian. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#1696d6fff4bcee1c25ae8927ba353238">writeThumbnail</a> (const std::string &path) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write the thumbnail image to a file. A filename extension is appended to <em>path</em> according to the image type of the thumbnail, so <em>path</em> should not include an extension. This will overwrite an existing file of the same name. <a href="#1696d6fff4bcee1c25ae8927ba353238"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="20c413da0dbf4139dac20f17a7ea1939"></a><!-- doxytag: member="Exiv2::ExifData::copyThumbnail" ref="20c413da0dbf4139dac20f17a7ea1939" args="() const " -->
<a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#20c413da0dbf4139dac20f17a7ea1939">copyThumbnail</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the thumbnail image in a DataBuf. The caller owns the data buffer and DataBuf ensures that it will be deleted. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d5b63c1c499fceaac90a0a9f0adbd4dd"></a><!-- doxytag: member="Exiv2::ExifData::thumbnailFormat" ref="d5b63c1c499fceaac90a0a9f0adbd4dd" args="() const " -->
const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#d5b63c1c499fceaac90a0a9f0adbd4dd">thumbnailFormat</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a short string describing the format of the Exif thumbnail ("TIFF", "JPEG"). <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="66d1b025e365ec807a3e15f4ead12edf"></a><!-- doxytag: member="Exiv2::ExifData::thumbnailExtension" ref="66d1b025e365ec807a3e15f4ead12edf" args="() const " -->
const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#66d1b025e365ec807a3e15f4ead12edf">thumbnailExtension</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the file extension for the Exif thumbnail depending on the format (".tif", ".jpg"). <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f49ce35fe09a268d67e4d40a5832b313"></a><!-- doxytag: member="Exiv2::ExifData::getThumbnail" ref="f49ce35fe09a268d67e4d40a5832b313" args="() const " -->
<a class="el" href="classExiv2_1_1Thumbnail.html#cf289890ffef7268ca3d7bfdb8123676">Thumbnail::AutoPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifData.html#f49ce35fe09a268d67e4d40a5832b313">getThumbnail</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a thumbnail object of the correct type, corresponding to the current Exif data. Caller owns this object and the auto pointer ensures that it will be deleted. <br></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
A container for Exif data. This is a top-level class of the Exiv2 library. The container holds <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> objects.
<p>
Provide high-level access to the Exif data of an image:<ul>
<li>read Exif information from JPEG files</li><li>access metadata through keys and standard C++ iterators</li><li>add, modify and delete metadata</li><li>write Exif data to JPEG files</li><li>extract Exif metadata to files, insert from these files</li><li>extract and delete Exif thumbnail (JPEG and TIFF thumbnails) </li></ul>
<dl compact><dt><b>Examples: </b></dt><dd>
<p>
<a class="el" href="addmoddel_8cpp-example.html#_a0">addmoddel.cpp</a>, <a class="el" href="exifcomment_8cpp-example.html#_a19">exifcomment.cpp</a>, and <a class="el" href="exifprint_8cpp-example.html#_a22">exifprint.cpp</a>.</dl>
<p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="d809ad2a4689a15a899d1ddba954ae2b"></a><!-- doxytag: member="Exiv2::ExifData::add" ref="d809ad2a4689a15a899d1ddba954ae2b" args="(const Exifdatum &exifdatum)" --><p>
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<td class="md" nowrap valign="top">void Exiv2::ExifData::add </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>exifdatum</em> </td>
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<p>
Add a copy of the <em>exifdatum</em> to the Exif metadata. No duplicate checks are performed, i.e., it is possible to add multiple metadata with the same key.
<p>
<dl compact><dt><b>Exceptions:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classExiv2_1_1Error.html">Error</a></em> </td><td>if the makernote cannot be created </td></tr>
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<a class="anchor" name="6e2dc3e18ddb3a8e7e82518e80e9c5c9"></a><!-- doxytag: member="Exiv2::ExifData::copy" ref="6e2dc3e18ddb3a8e7e82518e80e9c5c9" args="()" --><p>
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<td class="md" nowrap valign="top"><a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> Exiv2::ExifData::copy </td>
<td class="md" valign="top">( </td>
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<p>
Write the Exif data to a data buffer, which is returned. The caller owns this copy and DataBuf ensures that it will be deleted. The copied data starts with the TIFF header.
<p>
Tries to update the original data buffer and write it back with minimal changes, in a 'non-intrusive' fashion, if possible. In this case, tag data that <a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> does not understand stand a good chance to remain valid. (In particular, if the Exif data contains a Makernote in IFD format, the offsets in its IFD will remain valid.) <br>
If 'non-intrusive' writing is not possible, the Exif data will be re-built from scratch, in which case the absolute position of the metadata entries within the data buffer may (and in most cases will) be different from their original position. Furthermore, in this case, the Exif data is updated with the metadata from the actual thumbnail image (overriding existing metadata).<p>
<dl compact><dt><b>Returns:</b></dt><dd>A DataBuf containing the Exif data. </dd></dl>
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<a class="anchor" name="7616fcab93d80fd6591ddd07b14cfc1e"></a><!-- doxytag: member="Exiv2::ExifData::eraseThumbnail" ref="7616fcab93d80fd6591ddd07b14cfc1e" args="()" --><p>
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<td class="md" nowrap valign="top">long Exiv2::ExifData::eraseThumbnail </td>
<td class="md" valign="top">( </td>
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<p>
Delete the thumbnail from the Exif data. Removes all Exif.Thumbnail.*, i.e., IFD1 metadata.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The number of bytes of thumbnail data erased from the original Exif data. Note that the original image size may differ from the size of the image after deleting the thumbnail by more than this number. This is the case if the Exif data contains extra bytes (often at the end of the Exif block) or gaps and the thumbnail is not located at the end of the Exif block so that non-intrusive writing of a truncated Exif block is not possible. Instead it is in this case necessary to write the Exif data, without the thumbnail, from the metadata and all extra bytes and gaps are lost, resulting in a smaller image. </dd></dl>
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<a class="anchor" name="c1f4b07d80d810cbe33153e1909291f6"></a><!-- doxytag: member="Exiv2::ExifData::findIfdIdIdx" ref="c1f4b07d80d810cbe33153e1909291f6" args="(IfdId ifdId, int idx) const " --><p>
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<td class="md" nowrap valign="top"><a class="el" href="classExiv2_1_1ExifData.html#2b8ac7a474d6527c0f3f6a0a9cebef77">ExifData::const_iterator</a> Exiv2::ExifData::findIfdIdIdx </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceExiv2.html#1615152767a506a955c9d13443b56b62">IfdId</a> </td>
<td class="mdname" nowrap> <em>ifdId</em>, </td>
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<p>
Find the exifdatum with the given <em>ifdId</em> and <em>idx</em>, return an iterator to it.
<p>
This method can be used to uniquely identify a <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> that was created from an IFD or from the makernote (with idx greater than 0). Metadata created by an application (not read from an IFD or a makernote) all have their idx field set to 0, i.e., they cannot be uniquely identified with this method. If multiple metadata with the same key exist, it is undefined which of the matching metadata is found. </td>
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<a class="anchor" name="5994212de541e2828e6694ca2470dc83"></a><!-- doxytag: member="Exiv2::ExifData::findIfdIdIdx" ref="5994212de541e2828e6694ca2470dc83" args="(IfdId ifdId, int idx)" --><p>
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<td class="md" nowrap valign="top"><a class="el" href="classExiv2_1_1ExifData.html#02e2a2acb4cfeb0f7755c1a45f94106f">ExifData::iterator</a> Exiv2::ExifData::findIfdIdIdx </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceExiv2.html#1615152767a506a955c9d13443b56b62">IfdId</a> </td>
<td class="mdname" nowrap> <em>ifdId</em>, </td>
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<td class="md" nowrap>int </td>
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<p>
Find the <a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> with the given <em>ifdId</em> and <em>idx</em>, return an iterator to it.
<p>
This method can be used to uniquely identify an exifdatum that was created from an IFD or from the makernote (with idx greater than 0). Metadata created by an application (not read from an IFD or a makernote) all have their idx field set to 0, i.e., they cannot be uniquely identified with this method. If multiple metadata with the same key exist, it is undefined which of the matching metadata is found. </td>
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<a class="anchor" name="2f3aad57089a740ec53fb4d38fb6f7b7"></a><!-- doxytag: member="Exiv2::ExifData::load" ref="2f3aad57089a740ec53fb4d38fb6f7b7" args="(const byte *buf, long len)" --><p>
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<td class="md" nowrap valign="top">int Exiv2::ExifData::load </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="mdname" nowrap> <em>buf</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>len</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Load the Exif data from a byte buffer. The data buffer must start with the TIFF header. This method is deprecated. Use <a class="el" href="classExiv2_1_1ImageFactory.html#981013bdf0d31ec7f64f0f6339fe323e">ImageFactory::open()</a> instead.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>Pointer to the data buffer to read from </td></tr>
<tr><td valign="top"></td><td valign="top"><em>len</em> </td><td>Number of bytes in the data buffer </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>0 if successful. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="5c56fca27e6c2c3700d6138e8401f39e"></a><!-- doxytag: member="Exiv2::ExifData::operator[]" ref="5c56fca27e6c2c3700d6138e8401f39e" args="(const std::string &key)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"><a class="el" href="classExiv2_1_1Exifdatum.html">Exifdatum</a> & Exiv2::ExifData::operator[] </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const std::string & </td>
<td class="mdname1" valign="top" nowrap> <em>key</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Returns a reference to the Exifdatum that is associated with a particular <em>key</em>. If ExifData does not already contain such an Exifdatum, operator[] adds object <em>Exifdatum(key)</em>.
<p>
<dl compact><dt><b>Note:</b></dt><dd>Since operator[] might insert a new element, it can't be a const member function. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="44c6f74de638e60d4219061776458f6c"></a><!-- doxytag: member="Exiv2::ExifData::setJpegThumbnail" ref="44c6f74de638e60d4219061776458f6c" args="(const byte *buf, long size)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">void Exiv2::ExifData::setJpegThumbnail </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="mdname" nowrap> <em>buf</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>size</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Set the Exif thumbnail to the Jpeg image pointed to by <em>buf</em>, and size <em>size</em>.
<p>
This sets only the Compression, JPEGInterchangeFormat and JPEGInterchangeFormatLength tags, which is not all the thumbnail Exif information mandatory according to the Exif standard. (But it's enough to work with the thumbnail.)<p>
<dl compact><dt><b>Note:</b></dt><dd>No checks on the image format or size are performed. <p>
Additional existing Exif thumbnail tags are not modified. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="f1569d57a60afa07f6822d1e98e70711"></a><!-- doxytag: member="Exiv2::ExifData::setJpegThumbnail" ref="f1569d57a60afa07f6822d1e98e70711" args="(const std::string &path)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">void Exiv2::ExifData::setJpegThumbnail </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const std::string & </td>
<td class="mdname1" valign="top" nowrap> <em>path</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Set the Exif thumbnail to the Jpeg image <em>path</em>.
<p>
This sets only the Compression, JPEGInterchangeFormat and JPEGInterchangeFormatLength tags, which is not all the thumbnail Exif information mandatory according to the Exif standard. (But it's enough to work with the thumbnail.)<p>
<dl compact><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classExiv2_1_1Error.html">Error</a></em> </td><td>if reading the file fails.</td></tr>
</table>
</dl>
<dl compact><dt><b>Note:</b></dt><dd>No checks on the file format or size are performed. <p>
Additional existing Exif thumbnail tags are not modified. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="ce60eaaa223ce90e572c74895d0c1b3b"></a><!-- doxytag: member="Exiv2::ExifData::setJpegThumbnail" ref="ce60eaaa223ce90e572c74895d0c1b3b" args="(const byte *buf, long size, URational xres, URational yres, uint16_t unit)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">void Exiv2::ExifData::setJpegThumbnail </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="mdname" nowrap> <em>buf</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>size</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="namespaceExiv2.html#edcaa9af0563cbd00a19b040d5aa7a70">URational</a> </td>
<td class="mdname" nowrap> <em>xres</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="namespaceExiv2.html#edcaa9af0563cbd00a19b040d5aa7a70">URational</a> </td>
<td class="mdname" nowrap> <em>yres</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>uint16_t </td>
<td class="mdname" nowrap> <em>unit</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Set the Exif thumbnail to the Jpeg image pointed to by <em>buf</em>, and size <em>size</em>. Set XResolution, YResolution and ResolutionUnit to <em>xres</em>, <em>yres</em> and <em>unit</em>, respectively.
<p>
This results in the minimal thumbnail tags being set for a Jpeg thumbnail, as mandated by the Exif standard.<p>
<dl compact><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classExiv2_1_1Error.html">Error</a></em> </td><td>if reading the file fails.</td></tr>
</table>
</dl>
<dl compact><dt><b>Note:</b></dt><dd>No checks on the image format or size are performed. <p>
Additional existing Exif thumbnail tags are not modified. <p>
The Jpeg image inserted as thumbnail image should not itself contain Exif data (or other metadata), as existing applications may have problems with that. (The preview application that comes with OS X for one.) - David Harvey. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="2601586bd2c7f1e198bb3a9454397bd7"></a><!-- doxytag: member="Exiv2::ExifData::setJpegThumbnail" ref="2601586bd2c7f1e198bb3a9454397bd7" args="(const std::string &path, URational xres, URational yres, uint16_t unit)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">void Exiv2::ExifData::setJpegThumbnail </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const std::string & </td>
<td class="mdname" nowrap> <em>path</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="namespaceExiv2.html#edcaa9af0563cbd00a19b040d5aa7a70">URational</a> </td>
<td class="mdname" nowrap> <em>xres</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="namespaceExiv2.html#edcaa9af0563cbd00a19b040d5aa7a70">URational</a> </td>
<td class="mdname" nowrap> <em>yres</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>uint16_t </td>
<td class="mdname" nowrap> <em>unit</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Set the Exif thumbnail to the Jpeg image <em>path</em>. Set XResolution, YResolution and ResolutionUnit to <em>xres</em>, <em>yres</em> and <em>unit</em>, respectively.
<p>
This results in the minimal thumbnail tags being set for a Jpeg thumbnail, as mandated by the Exif standard.<p>
<dl compact><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classExiv2_1_1Error.html">Error</a></em> </td><td>if reading the file fails.</td></tr>
</table>
</dl>
<dl compact><dt><b>Note:</b></dt><dd>No checks on the file format or size are performed. <p>
Additional existing Exif thumbnail tags are not modified. <p>
The Jpeg image inserted as thumbnail image should not itself contain Exif data (or other metadata), as existing applications may have problems with that. (The preview application that comes with OS X for one.) - David Harvey. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="1696d6fff4bcee1c25ae8927ba353238"></a><!-- doxytag: member="Exiv2::ExifData::writeThumbnail" ref="1696d6fff4bcee1c25ae8927ba353238" args="(const std::string &path) const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">int Exiv2::ExifData::writeThumbnail </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const std::string & </td>
<td class="mdname1" valign="top" nowrap> <em>path</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Write the thumbnail image to a file. A filename extension is appended to <em>path</em> according to the image type of the thumbnail, so <em>path</em> should not include an extension. This will overwrite an existing file of the same name.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>path</em> </td><td>Path of the filename without image type extension</td></tr>
</table>
</dl>
<dl compact><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classExiv2_1_1Error.html">Error</a></em> </td><td>if writing to the file fails.</td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>0 if successful;<br>
8 if the Exif data does not contain a thumbnail. </dd></dl>
</td>
</tr>
</table>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="exif_8hpp.html">exif.hpp</a><li>exif.cpp</ul>
<hr size="1"><address style="align: right;"><small>Generated on Fri Jun 2 23:54:57 2006 for Exiv2 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
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