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<title>Exiv2: Exiv2::Internal::TiffMapping Class Reference</title>
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<div class="navpath"><a class="el" href="namespaceExiv2.html">Exiv2</a>::<a class="el" href="namespaceExiv2_1_1Internal.html">Internal</a>::<a class="el" href="classExiv2_1_1Internal_1_1TiffMapping.html">TiffMapping</a>
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<h1>Exiv2::Internal::TiffMapping Class Reference</h1><!-- doxytag: class="Exiv2::Internal::TiffMapping" -->Table of TIFF decoding and encoding functions and find functions. This class is separated from the metadata decoder and encoder visitors so that the parser can be parametrized with a different table if needed. This is used, eg., for CR2 format, which uses a different decoder table.
<a href="#_details">More...</a>
<p>
<code>#include <tiffimage_int.hpp></code>
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Collaboration diagram for Exiv2::Internal::TiffMapping:</div>
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<a href="classExiv2_1_1Internal_1_1TiffMapping-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="namespaceExiv2_1_1Internal.html#fce7181e4775c5fec3c580c08042b1ca">DecoderFct</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1TiffMapping.html#2a27c5a284e19a30a02305f770e19002">findDecoder</a> (const std::string &make, uint32_t extendedTag, uint16_t group)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Find the decoder function for a key. <a href="#2a27c5a284e19a30a02305f770e19002"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="namespaceExiv2_1_1Internal.html#e1dc6f098c07a468066b0b6c99b8fdd9">EncoderFct</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1TiffMapping.html#7869f71ce2f9a94800d58078582e6ca3">findEncoder</a> (const std::string &make, uint32_t extendedTag, uint16_t group)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Find special encoder function for a key. <a href="#7869f71ce2f9a94800d58078582e6ca3"></a><br></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Table of TIFF decoding and encoding functions and find functions. This class is separated from the metadata decoder and encoder visitors so that the parser can be parametrized with a different table if needed. This is used, eg., for CR2 format, which uses a different decoder table. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="2a27c5a284e19a30a02305f770e19002"></a><!-- doxytag: member="Exiv2::Internal::TiffMapping::findDecoder" ref="2a27c5a284e19a30a02305f770e19002" args="(const std::string &make, uint32_t extendedTag, uint16_t group)" -->
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<td class="memname"><a class="el" href="namespaceExiv2_1_1Internal.html#fce7181e4775c5fec3c580c08042b1ca">DecoderFct</a> Exiv2::Internal::TiffMapping::findDecoder </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"> <em>make</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"> <em>extendedTag</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t </td>
<td class="paramname"> <em>group</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [static]</code></td>
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<p>
Find the decoder function for a key.
<p>
If the returned pointer is 0, the tag should not be decoded, else the decoder function should be used.<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>make</em> </td><td>Camera make </td></tr>
<tr><td valign="top"></td><td valign="top"><em>extendedTag</em> </td><td>Extended tag </td></tr>
<tr><td valign="top"></td><td valign="top"><em>group</em> </td><td>Group</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>Pointer to the decoder function </dd></dl>
<p>References <a class="el" href="tiffcomposite__int_8hpp_source.html#l00359">Exiv2::Internal::TiffMappingInfo::decoderFct_</a>, <a class="el" href="tiffvisitor_8cpp_source.html#l00374">Exiv2::Internal::TiffDecoder::decodeStdTiffEntry()</a>, and <a class="el" href="types_8hpp_source.html#l00449">Exiv2::find()</a>.</p>
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<a class="anchor" name="7869f71ce2f9a94800d58078582e6ca3"></a><!-- doxytag: member="Exiv2::Internal::TiffMapping::findEncoder" ref="7869f71ce2f9a94800d58078582e6ca3" args="(const std::string &make, uint32_t extendedTag, uint16_t group)" -->
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<td class="memname"><a class="el" href="namespaceExiv2_1_1Internal.html#e1dc6f098c07a468066b0b6c99b8fdd9">EncoderFct</a> Exiv2::Internal::TiffMapping::findEncoder </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"> <em>make</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"> <em>extendedTag</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t </td>
<td class="paramname"> <em>group</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [static]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>
Find special encoder function for a key.
<p>
If the returned pointer is 0, the tag should be encoded with the encoder function of the TIFF component, else the encoder function should be used.<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>make</em> </td><td>Camera make </td></tr>
<tr><td valign="top"></td><td valign="top"><em>extendedTag</em> </td><td>Extended tag </td></tr>
<tr><td valign="top"></td><td valign="top"><em>group</em> </td><td>Group</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>Pointer to the encoder function </dd></dl>
<p>References <a class="el" href="tiffcomposite__int_8hpp_source.html#l00360">Exiv2::Internal::TiffMappingInfo::encoderFct_</a>, and <a class="el" href="types_8hpp_source.html#l00449">Exiv2::find()</a>.</p>
<p>Referenced by <a class="el" href="exif_8cpp_source.html#l00455">Exiv2::ExifParser::encode()</a>.</p>
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</div><p>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="tiffimage__int_8hpp.html">tiffimage_int.hpp</a><li>tiffimage.cpp</ul>
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