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<li class="navelem"><a class="el" href="namespaceExiv2.html">Exiv2</a></li><li class="navelem"><a class="el" href="namespaceExiv2_1_1Internal.html">Internal</a></li><li class="navelem"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html">CiffHeader</a></li> </ul>
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<a href="#pub-types">Public Types</a> |
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<div class="title">Exiv2::Internal::CiffHeader Class Reference</div> </div>
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<p>This class models the header of a CRW (Canon Raw data) image. It is the head of a CIFF parse tree, consisting of <a class="el" href="classExiv2_1_1Internal_1_1CiffDirectory.html" title="This class models a CIFF directory of a CRW (Canon Raw data) image. ">CiffDirectory</a> and <a class="el" href="classExiv2_1_1Internal_1_1CiffEntry.html" title="This class models one directory entry of a CIFF directory of a CRW (Canon Raw data) image...">CiffEntry</a> objects. Most of its methods will walk the parse tree to perform the requested action.
<a href="classExiv2_1_1Internal_1_1CiffHeader.html#details">More...</a></p>
<p><code>#include <crwimage_int.hpp></code></p>
<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:a098550c33d4cba5c82eaf7d7e9dbed29"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a098550c33d4cba5c82eaf7d7e9dbed29"></a>
typedef std::auto_ptr< <a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html">CiffHeader</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a098550c33d4cba5c82eaf7d7e9dbed29">AutoPtr</a></td></tr>
<tr class="memdesc:a098550c33d4cba5c82eaf7d7e9dbed29"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html" title="This class models the header of a CRW (Canon Raw data) image. It is the head of a CIFF parse tree...">CiffHeader</a> auto_ptr type. <br /></td></tr>
<tr class="separator:a098550c33d4cba5c82eaf7d7e9dbed29"><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:adf3cbe93196e7b0af5b89873dbbb5411"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adf3cbe93196e7b0af5b89873dbbb5411"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#adf3cbe93196e7b0af5b89873dbbb5411">CiffHeader</a> ()</td></tr>
<tr class="memdesc:adf3cbe93196e7b0af5b89873dbbb5411"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br /></td></tr>
<tr class="separator:adf3cbe93196e7b0af5b89873dbbb5411"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa4b16507eae5e80a6724515092b89373"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa4b16507eae5e80a6724515092b89373"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#aa4b16507eae5e80a6724515092b89373">~CiffHeader</a> ()</td></tr>
<tr class="memdesc:aa4b16507eae5e80a6724515092b89373"><td class="mdescLeft"> </td><td class="mdescRight">Virtual destructor. <br /></td></tr>
<tr class="separator:aa4b16507eae5e80a6724515092b89373"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr class="memitem:a3d53434a9b7d2f5a9a791304e76488a7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a3d53434a9b7d2f5a9a791304e76488a7">read</a> (const <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *pData, uint32_t size)</td></tr>
<tr class="memdesc:a3d53434a9b7d2f5a9a791304e76488a7"><td class="mdescLeft"> </td><td class="mdescRight">Read the CRW image from a data buffer, starting with the Ciff header. <a href="#a3d53434a9b7d2f5a9a791304e76488a7">More...</a><br /></td></tr>
<tr class="separator:a3d53434a9b7d2f5a9a791304e76488a7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a079c5bad818fdd9fe950b0438fdb8944"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a079c5bad818fdd9fe950b0438fdb8944">add</a> (uint16_t crwTagId, uint16_t crwDir, <a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> buf)</td></tr>
<tr class="memdesc:a079c5bad818fdd9fe950b0438fdb8944"><td class="mdescLeft"> </td><td class="mdescRight">Set the value of entry <em>crwTagId</em> in directory <em>crwDir</em> to <em>buf</em>. If this tag doesn't exist, it is added along with all directories needed. <a href="#a079c5bad818fdd9fe950b0438fdb8944">More...</a><br /></td></tr>
<tr class="separator:a079c5bad818fdd9fe950b0438fdb8944"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5b9ba517b40e199a1ffe81f91c7dad87"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a5b9ba517b40e199a1ffe81f91c7dad87">remove</a> (uint16_t crwTagId, uint16_t crwDir)</td></tr>
<tr class="memdesc:a5b9ba517b40e199a1ffe81f91c7dad87"><td class="mdescLeft"> </td><td class="mdescRight">Remove entry <em>crwTagId</em> in directory <em>crwDir</em> from the parse tree. If it's the last entry in the directory, the directory is removed as well, etc. <a href="#a5b9ba517b40e199a1ffe81f91c7dad87">More...</a><br /></td></tr>
<tr class="separator:a5b9ba517b40e199a1ffe81f91c7dad87"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<tr class="memitem:a3ff2822606553f5fb21c159b8236738c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a3ff2822606553f5fb21c159b8236738c">write</a> (<a class="el" href="namespaceExiv2.html#a6e7b9a2ef47caec919b15f1ae6ff4872">Blob</a> &blob) const </td></tr>
<tr class="memdesc:a3ff2822606553f5fb21c159b8236738c"><td class="mdescLeft"> </td><td class="mdescRight">Write the CRW image to the binary image <em>blob</em>, starting with the Ciff header. This method appends to the blob. <a href="#a3ff2822606553f5fb21c159b8236738c">More...</a><br /></td></tr>
<tr class="separator:a3ff2822606553f5fb21c159b8236738c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a792e5455cfbc618dc56b1f952f453feb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a792e5455cfbc618dc56b1f952f453feb">decode</a> (<a class="el" href="classExiv2_1_1Image.html">Image</a> &image) const </td></tr>
<tr class="memdesc:a792e5455cfbc618dc56b1f952f453feb"><td class="mdescLeft"> </td><td class="mdescRight">Decode the CRW image and add it to <em>image</em>. <a href="#a792e5455cfbc618dc56b1f952f453feb">More...</a><br /></td></tr>
<tr class="separator:a792e5455cfbc618dc56b1f952f453feb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac664aa3405f5911eeca041de450ade0e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#ac664aa3405f5911eeca041de450ade0e">print</a> (std::ostream &os, const std::string &prefix="") const </td></tr>
<tr class="memdesc:ac664aa3405f5911eeca041de450ade0e"><td class="mdescLeft"> </td><td class="mdescRight">Print debug info for the CRW image to <em>os</em>. <a href="#ac664aa3405f5911eeca041de450ade0e">More...</a><br /></td></tr>
<tr class="separator:ac664aa3405f5911eeca041de450ade0e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a17ce435145295480f6344c73fd73b5d0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a17ce435145295480f6344c73fd73b5d0"></a>
<a class="el" href="namespaceExiv2.html#a94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a17ce435145295480f6344c73fd73b5d0">byteOrder</a> () const </td></tr>
<tr class="memdesc:a17ce435145295480f6344c73fd73b5d0"><td class="mdescLeft"> </td><td class="mdescRight">Return the byte order (little or big endian). <br /></td></tr>
<tr class="separator:a17ce435145295480f6344c73fd73b5d0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a00500dfe33f65e71912de0fc738ccdfe"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html">CiffComponent</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a00500dfe33f65e71912de0fc738ccdfe">findComponent</a> (uint16_t crwTagId, uint16_t crwDir) const </td></tr>
<tr class="memdesc:a00500dfe33f65e71912de0fc738ccdfe"><td class="mdescLeft"> </td><td class="mdescRight">Finds <em>crwTagId</em> in directory <em>crwDir</em> in the parse tree, returning a pointer to the component or 0 if not found. <a href="#a00500dfe33f65e71912de0fc738ccdfe">More...</a><br /></td></tr>
<tr class="separator:a00500dfe33f65e71912de0fc738ccdfe"><td class="memSeparator" colspan="2"> </td></tr>
</table><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:a97bc348326182b891ed63e1df7ddaf59"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a97bc348326182b891ed63e1df7ddaf59"></a>
static const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a97bc348326182b891ed63e1df7ddaf59">signature</a> ()</td></tr>
<tr class="memdesc:a97bc348326182b891ed63e1df7ddaf59"><td class="mdescLeft"> </td><td class="mdescRight">Return a pointer to the Canon CRW signature. <br /></td></tr>
<tr class="separator:a97bc348326182b891ed63e1df7ddaf59"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This class models the header of a CRW (Canon Raw data) image. It is the head of a CIFF parse tree, consisting of <a class="el" href="classExiv2_1_1Internal_1_1CiffDirectory.html" title="This class models a CIFF directory of a CRW (Canon Raw data) image. ">CiffDirectory</a> and <a class="el" href="classExiv2_1_1Internal_1_1CiffEntry.html" title="This class models one directory entry of a CIFF directory of a CRW (Canon Raw data) image...">CiffEntry</a> objects. Most of its methods will walk the parse tree to perform the requested action. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="a079c5bad818fdd9fe950b0438fdb8944"></a>
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<td class="memname">void Exiv2::Internal::CiffHeader::add </td>
<td>(</td>
<td class="paramtype">uint16_t </td>
<td class="paramname"><em>crwTagId</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t </td>
<td class="paramname"><em>crwDir</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> </td>
<td class="paramname"><em>buf</em> </td>
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<td></td>
<td>)</td>
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<p>Set the value of entry <em>crwTagId</em> in directory <em>crwDir</em> to <em>buf</em>. If this tag doesn't exist, it is added along with all directories needed. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">crwTagId</td><td><a class="el" href="namespaceExiv2_1_1Internal_1_1Tag.html">Tag</a> to be added. </td></tr>
<tr><td class="paramname">crwDir</td><td>Parent directory of the tag. </td></tr>
<tr><td class="paramname">buf</td><td><a class="el" href="classExiv2_1_1Value.html" title="Common interface for all types of values used with metadata. ">Value</a> to be set. </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html#ae56e6ee4b1da653b6d44ef9f0969e025">Exiv2::Internal::CiffComponent::add()</a>, <a class="el" href="classExiv2_1_1Internal_1_1CrwMap.html#ae8e294d1437f8087521e7566e298f79b">Exiv2::Internal::CrwMap::loadStack()</a>, and <a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html#aa1847aa0d7f71378eae491af41a337d2">Exiv2::Internal::CiffComponent::setValue()</a>.</p>
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<td class="memname">void Exiv2::Internal::CiffHeader::decode </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classExiv2_1_1Image.html">Image</a> & </td>
<td class="paramname"><em>image</em></td><td>)</td>
<td> const</td>
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<p>Decode the CRW image and add it to <em>image</em>. </p>
<p>Walk the parse tree and convert CIFF entries to metadata entries which are added to <em>image</em>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">image</td><td><a class="el" href="classExiv2_1_1Image.html" title="Abstract base class defining the interface for an image. This is the top-level interface to the Exiv2...">Image</a> to add metadata to </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html#a309a5447a6a6361e90cc69b6fba867ba">Exiv2::Internal::CiffComponent::decode()</a>.</p>
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<td class="memname"><a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html">CiffComponent</a> * Exiv2::Internal::CiffHeader::findComponent </td>
<td>(</td>
<td class="paramtype">uint16_t </td>
<td class="paramname"><em>crwTagId</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t </td>
<td class="paramname"><em>crwDir</em> </td>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<p>Finds <em>crwTagId</em> in directory <em>crwDir</em> in the parse tree, returning a pointer to the component or 0 if not found. </p>
<p>Finds <em>crwTagId</em> in directory <em>crwDir</em>, returning a pointer to the component or 0 if not found. </p>
<p>References <a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html#a106b9412754841caaf95f4220dc45771">Exiv2::Internal::CiffComponent::findComponent()</a>.</p>
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<td class="memname">void Exiv2::Internal::CiffHeader::print </td>
<td>(</td>
<td class="paramtype">std::ostream & </td>
<td class="paramname"><em>os</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>prefix</em> = <code>""</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
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<p>Print debug info for the CRW image to <em>os</em>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">os</td><td>Output stream to write to. </td></tr>
<tr><td class="paramname">prefix</td><td>Prefix to be written before each line of output. </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html#acd6b00278cead8f8fc514c71804bcb2f">Exiv2::Internal::CiffComponent::print()</a>.</p>
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<td class="memname">void Exiv2::Internal::CiffHeader::read </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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<p>Read the CRW image from a data buffer, starting with the Ciff header. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pData</td><td>Pointer to the data buffer. </td></tr>
<tr><td class="paramname">size</td><td>Number of bytes in the data buffer.</td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>If the image cannot be parsed. </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="namespaceExiv2.html#a2ac010ed4daa22c05b792ade639cda07">Exiv2::getULong()</a>, <a class="el" href="classExiv2_1_1Internal_1_1CiffDirectory.html#a576d1c93e772acfc663c1f199e668ee5">Exiv2::Internal::CiffDirectory::readDirectory()</a>, and <a class="el" href="classExiv2_1_1Internal_1_1CiffHeader.html#a97bc348326182b891ed63e1df7ddaf59">signature()</a>.</p>
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<td class="memname">void Exiv2::Internal::CiffHeader::remove </td>
<td>(</td>
<td class="paramtype">uint16_t </td>
<td class="paramname"><em>crwTagId</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t </td>
<td class="paramname"><em>crwDir</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Remove entry <em>crwTagId</em> in directory <em>crwDir</em> from the parse tree. If it's the last entry in the directory, the directory is removed as well, etc. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">crwTagId</td><td><a class="el" href="namespaceExiv2_1_1Internal_1_1Tag.html">Tag</a> id to be removed. </td></tr>
<tr><td class="paramname">crwDir</td><td>Parent directory of the tag. </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="classExiv2_1_1Internal_1_1CrwMap.html#ae8e294d1437f8087521e7566e298f79b">Exiv2::Internal::CrwMap::loadStack()</a>, and <a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html#a796cd02123f8f107f98c0e3bb5221208">Exiv2::Internal::CiffComponent::remove()</a>.</p>
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<td class="memname">void Exiv2::Internal::CiffHeader::write </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespaceExiv2.html#a6e7b9a2ef47caec919b15f1ae6ff4872">Blob</a> & </td>
<td class="paramname"><em>blob</em></td><td>)</td>
<td> const</td>
</tr>
</table>
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<p>Write the CRW image to the binary image <em>blob</em>, starting with the Ciff header. This method appends to the blob. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">blob</td><td>Binary image to add to.</td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">Error</td><td>If the image cannot be written. </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="namespaceExiv2.html#a717a4bb844932a834dd109ce2554a2a4">Exiv2::append()</a>, <a class="el" href="namespaceExiv2.html#ac40b07808b158c7d196d12d55c677338">Exiv2::ul2Data()</a>, and <a class="el" href="classExiv2_1_1Internal_1_1CiffComponent.html#a28f3354567a79aed51d111ef51fa5f58">Exiv2::Internal::CiffComponent::write()</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="crwimage__int_8hpp.html">crwimage_int.hpp</a></li>
<li>crwimage.cpp</li>
</ul>
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