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<div class="navpath"><a class="el" href="namespaceExiv2.html">Exiv2</a>::<a class="el" href="classExiv2_1_1ExifThumbC.html">ExifThumbC</a>
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<h1>Exiv2::ExifThumbC Class Reference</h1><!-- doxytag: class="Exiv2::ExifThumbC" -->Access to a Exif thumbnail image. This class provides higher level accessors to the thumbnail image that is optionally embedded in IFD1 of the Exif data. These methods do not write to the Exif metadata. Manipulators are provided in subclass <a class="el" href="classExiv2_1_1ExifThumb.html" title="Access and modify an Exif thumbnail image. This class implements manipulators to...">ExifThumb</a>.
<a href="#_details">More...</a>
<p>
<code>#include <exif.hpp></code>
<p>
<div class="dynheader">
Inheritance diagram for Exiv2::ExifThumbC:</div>
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<p><center><img src="classExiv2_1_1ExifThumbC__inherit__graph.png" border="0" usemap="#Exiv2_1_1ExifThumbC__inherit__map" alt="Inheritance graph"></center>
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Collaboration diagram for Exiv2::ExifThumbC:</div>
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<p>
<a href="classExiv2_1_1ExifThumbC-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 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="47c5170242743d1dfd32a6d03527f7b7"></a><!-- doxytag: member="Exiv2::ExifThumbC::ExifThumbC" ref="47c5170242743d1dfd32a6d03527f7b7" args="(const ExifData &exifData)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifThumbC.html#47c5170242743d1dfd32a6d03527f7b7">ExifThumbC</a> (const <a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> &exifData)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <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="525866c326d9a6ef37e70a2bb644b207"></a><!-- doxytag: member="Exiv2::ExifThumbC::copy" ref="525866c326d9a6ef37e70a2bb644b207" args="() const " -->
<a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifThumbC.html#525866c326d9a6ef37e70a2bb644b207">copy</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">long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifThumbC.html#28a632e5ca0be46d1348aec33d77d1ae">writeFile</a> (const std::string &path) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write the thumbnail image to a file. <a href="#28a632e5ca0be46d1348aec33d77d1ae"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1f28b40a8187381efdae3134e32b0c69"></a><!-- doxytag: member="Exiv2::ExifThumbC::mimeType" ref="1f28b40a8187381efdae3134e32b0c69" args="() const " -->
const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifThumbC.html#1f28b40a8187381efdae3134e32b0c69">mimeType</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the MIME type of the thumbnail, either <code>"image/tiff"</code> or <code>"image/jpeg"</code>. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b3f2980afb5524095ec39e6506119140"></a><!-- doxytag: member="Exiv2::ExifThumbC::extension" ref="b3f2980afb5524095ec39e6506119140" args="() const " -->
const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1ExifThumbC.html#b3f2980afb5524095ec39e6506119140">extension</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the file extension for the format of the thumbnail (".tif" or ".jpg"). <br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Access to a Exif thumbnail image. This class provides higher level accessors to the thumbnail image that is optionally embedded in IFD1 of the Exif data. These methods do not write to the Exif metadata. Manipulators are provided in subclass <a class="el" href="classExiv2_1_1ExifThumb.html" title="Access and modify an Exif thumbnail image. This class implements manipulators to...">ExifThumb</a>.
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>Various other preview and thumbnail images may be contained in an image, depending on its format and the camera make and model. This class only provides access to the Exif thumbnail as specified in the Exif standard. </dd></dl>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="28a632e5ca0be46d1348aec33d77d1ae"></a><!-- doxytag: member="Exiv2::ExifThumbC::writeFile" ref="28a632e5ca0be46d1348aec33d77d1ae" args="(const std::string &path) const " -->
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<div class="memproto">
<table class="memname">
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<td class="memname">long Exiv2::ExifThumbC::writeFile </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"> <em>path</em> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Write the thumbnail image to a file.
<p>
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. The function 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>File name of the thumbnail without extension. </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The number of bytes written. </dd></dl>
<p>References <a class="el" href="types_8hpp_source.html#l00122">Exiv2::string</a>.</p>
<p>Referenced by <a class="el" href="actions_8cpp_source.html#l00934">Action::Extract::writeThumbnail()</a>.</p>
</div>
</div><p>
<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>
</div>
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