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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_1TiffParser.html">TiffParser</a></li> </ul>
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<a href="#pub-static-methods">Static Public Member Functions</a> |
<a href="classExiv2_1_1TiffParser-members.html">List of all members</a> </div>
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<div class="title">Exiv2::TiffParser Class Reference</div> </div>
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<p>Stateless parser class for data in TIFF format. Images use this class to decode and encode TIFF data. It is a wrapper of the internal class <a class="el" href="classExiv2_1_1Internal_1_1TiffParserWorker.html" title="Stateless parser class for data in TIFF format. Images use this class to decode and encode TIFF-based...">Internal::TiffParserWorker</a>.
<a href="classExiv2_1_1TiffParser.html#details">More...</a></p>
<p><code>#include <tiffimage.hpp></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:ab0ec8b956507f84e8bda0125d02e5069"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="namespaceExiv2.html#a94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffParser.html#ab0ec8b956507f84e8bda0125d02e5069">decode</a> (<a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> &exifData, <a class="el" href="classExiv2_1_1IptcData.html">IptcData</a> &iptcData, <a class="el" href="classExiv2_1_1XmpData.html">XmpData</a> &xmpData, const <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *pData, uint32_t size)</td></tr>
<tr class="memdesc:ab0ec8b956507f84e8bda0125d02e5069"><td class="mdescLeft"> </td><td class="mdescRight">Decode metadata from a buffer <em>pData</em> of length <em>size</em> with data in TIFF format to the provided metadata containers. <a href="#ab0ec8b956507f84e8bda0125d02e5069">More...</a><br /></td></tr>
<tr class="separator:ab0ec8b956507f84e8bda0125d02e5069"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a97f2e818b8f6cf41fb9236b9385e1064"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="namespaceExiv2.html#aabfd4f86ce5d686323498c42cfd6cde7">WriteMethod</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffParser.html#a97f2e818b8f6cf41fb9236b9385e1064">encode</a> (<a class="el" href="classExiv2_1_1BasicIo.html">BasicIo</a> &io, const <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *pData, uint32_t size, <a class="el" href="namespaceExiv2.html#a94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> byteOrder, const <a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> &exifData, const <a class="el" href="classExiv2_1_1IptcData.html">IptcData</a> &iptcData, const <a class="el" href="classExiv2_1_1XmpData.html">XmpData</a> &xmpData)</td></tr>
<tr class="memdesc:a97f2e818b8f6cf41fb9236b9385e1064"><td class="mdescLeft"> </td><td class="mdescRight">Encode metadata from the provided metadata to TIFF format. <a href="#a97f2e818b8f6cf41fb9236b9385e1064">More...</a><br /></td></tr>
<tr class="separator:a97f2e818b8f6cf41fb9236b9385e1064"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Stateless parser class for data in TIFF format. Images use this class to decode and encode TIFF data. It is a wrapper of the internal class <a class="el" href="classExiv2_1_1Internal_1_1TiffParserWorker.html" title="Stateless parser class for data in TIFF format. Images use this class to decode and encode TIFF-based...">Internal::TiffParserWorker</a>. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="ab0ec8b956507f84e8bda0125d02e5069"></a>
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<td class="memname"><a class="el" href="namespaceExiv2.html#a94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> Exiv2::TiffParser::decode </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> & </td>
<td class="paramname"><em>exifData</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classExiv2_1_1IptcData.html">IptcData</a> & </td>
<td class="paramname"><em>iptcData</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classExiv2_1_1XmpData.html">XmpData</a> & </td>
<td class="paramname"><em>xmpData</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="paramname"><em>pData</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>size</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Decode metadata from a buffer <em>pData</em> of length <em>size</em> with data in TIFF format to the provided metadata containers. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">exifData</td><td>Exif metadata container. </td></tr>
<tr><td class="paramname">iptcData</td><td>IPTC metadata container. </td></tr>
<tr><td class="paramname">xmpData</td><td>XMP metadata container. </td></tr>
<tr><td class="paramname">pData</td><td>Pointer to the data buffer. Must point to data in TIFF format; no checks are performed. </td></tr>
<tr><td class="paramname">size</td><td>Length of the data buffer.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Byte order in which the data is encoded. </dd></dl>
<p>References <a class="el" href="classExiv2_1_1Internal_1_1TiffParserWorker.html#a942f09d50e57072672cee2fd4bc29a11">Exiv2::Internal::TiffParserWorker::decode()</a>, <a class="el" href="classExiv2_1_1Internal_1_1TiffMapping.html#a03f4d94b3e5dcad752ce88e228bb5c2d">Exiv2::Internal::TiffMapping::findDecoder()</a>, and <a class="el" href="namespaceExiv2_1_1Internal_1_1Tag.html#a417152f70ffd99dfe68efd7d5d5264c5">Exiv2::Internal::Tag::root</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1ExifParser.html#a0a1965f73e968b9b9b26ba254585f0de">Exiv2::ExifParser::decode()</a>, <a class="el" href="classExiv2_1_1RafImage.html#a53a5fa808a06b133f72cf6ccdacebc76">Exiv2::RafImage::readMetadata()</a>, <a class="el" href="classExiv2_1_1MrwImage.html#af57371ca9869cd8c5a009afcd0d62e2a">Exiv2::MrwImage::readMetadata()</a>, <a class="el" href="classExiv2_1_1Jp2Image.html#a4bf3d9ed94a4be4e5d931a812c6d58bf">Exiv2::Jp2Image::readMetadata()</a>, and <a class="el" href="classExiv2_1_1TiffImage.html#ac0965fb8aea437062775da11bece20ff">Exiv2::TiffImage::readMetadata()</a>.</p>
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<td class="memname"><a class="el" href="namespaceExiv2.html#aabfd4f86ce5d686323498c42cfd6cde7">WriteMethod</a> Exiv2::TiffParser::encode </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classExiv2_1_1BasicIo.html">BasicIo</a> & </td>
<td class="paramname"><em>io</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="paramname"><em>pData</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceExiv2.html#a94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> </td>
<td class="paramname"><em>byteOrder</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classExiv2_1_1ExifData.html">ExifData</a> & </td>
<td class="paramname"><em>exifData</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classExiv2_1_1IptcData.html">IptcData</a> & </td>
<td class="paramname"><em>iptcData</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classExiv2_1_1XmpData.html">XmpData</a> & </td>
<td class="paramname"><em>xmpData</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Encode metadata from the provided metadata to TIFF format. </p>
<p>The original binary image in the memory block <em>pData</em>, <em>size</em> is parsed and updated in-place if possible ("non-intrusive" writing). If that is not possible (e.g., if new tags were added), the entire TIFF structure is re-written to the <em>io</em> instance ("intrusive" writing).<br />
The return value indicates which write method was used. If it is <code>wmNonIntrusive</code>, the original memory <em>pData</em>, <em>size</em> contains the result and nothing is written to <em>io</em>. If the return value is <code>wmIntrusive</code>, a new TIFF structure was created and written to <em>io</em>. The memory block <em>pData</em>, <em>size</em> may be partly updated in this case and should not be used anymore.</p>
<dl class="section note"><dt>Note</dt><dd>If there is no metadata to encode, i.e., all metadata containers are empty, then the return value is <code>wmIntrusive</code> and nothing is written to <em>io</em>, i.e., no TIFF header is written.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">io</td><td>IO instance to write the binary image to in case of "intrusive" writing. Nothing is written to <em>io</em> in the case of "non-intrusive" writing. </td></tr>
<tr><td class="paramname">pData</td><td>Pointer to the binary image data buffer. Must point to data in TIFF format; no checks are performed. Will be modified if "non-intrusive" writing is possible. </td></tr>
<tr><td class="paramname">size</td><td>Length of the data buffer. </td></tr>
<tr><td class="paramname">byteOrder</td><td>Byte order to use. </td></tr>
<tr><td class="paramname">exifData</td><td>Exif metadata container. </td></tr>
<tr><td class="paramname">iptcData</td><td>IPTC metadata container. </td></tr>
<tr><td class="paramname">xmpData</td><td>XMP metadata container.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Write method used. </dd></dl>
<p>References <a class="el" href="classExiv2_1_1ExifData.html#a53bce2980ee060fc2da5fe6751f51db9">Exiv2::ExifData::begin()</a>, <a class="el" href="classExiv2_1_1Internal_1_1TiffParserWorker.html#a997834afb3498e2abd298921fc14dee7">Exiv2::Internal::TiffParserWorker::encode()</a>, <a class="el" href="classExiv2_1_1ExifData.html#a9c15177b03489e3d4bb81e9acc1165fe">Exiv2::ExifData::end()</a>, <a class="el" href="classExiv2_1_1ExifData.html#a13b24f0ee2a3f585cf714b9418b75edd">Exiv2::ExifData::erase()</a>, <a class="el" href="types_8hpp.html#a26ec01b2862132b64975e59ad89747b5">EXV_COUNTOF</a>, <a class="el" href="classExiv2_1_1Internal_1_1TiffMapping.html#af1929701af5886a4768883d577e96a1c">Exiv2::Internal::TiffMapping::findEncoder()</a>, and <a class="el" href="namespaceExiv2_1_1Internal_1_1Tag.html#a417152f70ffd99dfe68efd7d5d5264c5">Exiv2::Internal::Tag::root</a>.</p>
<p>Referenced by <a class="el" href="classExiv2_1_1TiffImage.html#ab4d6dcbd915abe2254bfef751a3f1da7">Exiv2::TiffImage::writeMetadata()</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="tiffimage_8hpp.html">tiffimage.hpp</a></li>
<li>tiffimage.cpp</li>
</ul>
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