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<title>Exiv2: Exiv2::Internal::Cr2Header 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_1Cr2Header.html">Cr2Header</a>
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<h1>Exiv2::Internal::Cr2Header Class Reference</h1><!-- doxytag: class="Exiv2::Internal::Cr2Header" --><!-- doxytag: inherits="Exiv2::Internal::TiffHeaderBase" -->Canon CR2 header structure.
<a href="#_details">More...</a>
<p>
<code>#include <cr2image_int.hpp></code>
<p>
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Inheritance diagram for Exiv2::Internal::Cr2Header:</div>
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<p><center><img src="classExiv2_1_1Internal_1_1Cr2Header__inherit__graph.png" border="0" usemap="#Exiv2_1_1Internal_1_1Cr2Header__inherit__map" alt="Inheritance graph"></center>
<map name="Exiv2_1_1Internal_1_1Cr2Header__inherit__map">
<area shape="rect" id="node2" href="classExiv2_1_1Internal_1_1TiffHeaderBase.html" title="Abstract base class defining the interface of an image header. Used internally by..." alt="" coords="5,5,336,32"></map>
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Collaboration diagram for Exiv2::Internal::Cr2Header:</div>
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<p><center><img src="classExiv2_1_1Internal_1_1Cr2Header__coll__graph.png" border="0" usemap="#Exiv2_1_1Internal_1_1Cr2Header__coll__map" alt="Collaboration graph"></center>
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<area shape="rect" id="node2" href="classExiv2_1_1Internal_1_1TiffHeaderBase.html" title="Abstract base class defining the interface of an image header. Used internally by..." alt="" coords="5,5,336,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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<a href="classExiv2_1_1Internal_1_1Cr2Header-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="80f6953f2afa2f5617acac86fe04bac7"></a><!-- doxytag: member="Exiv2::Internal::Cr2Header::Cr2Header" ref="80f6953f2afa2f5617acac86fe04bac7" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1Cr2Header.html#80f6953f2afa2f5617acac86fe04bac7">Cr2Header</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="7cdcb20b921a39b74a1633a72943b967"></a><!-- doxytag: member="Exiv2::Internal::Cr2Header::~Cr2Header" ref="7cdcb20b921a39b74a1633a72943b967" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1Cr2Header.html#7cdcb20b921a39b74a1633a72943b967">~Cr2Header</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">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1Cr2Header.html#ae1f8edc05a5fab9ef139db87cea36a2">read</a> (const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> *pData, uint32_t size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read the image header from a data buffer. Return false if the data buffer does not contain an image header of the expected format, else true. <a href="#ae1f8edc05a5fab9ef139db87cea36a2"></a><br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1Internal_1_1Cr2Header.html#02ebc1abe81929a1df1b2a4daec61daf">write</a> (<a class="el" href="namespaceExiv2.html#6e7b9a2ef47caec919b15f1ae6ff4872">Blob</a> &blob) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write the image header to the binary image <em>blob</em>. This method appends to the blob. <a href="#02ebc1abe81929a1df1b2a4daec61daf"></a><br></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Canon CR2 header structure. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="ae1f8edc05a5fab9ef139db87cea36a2"></a><!-- doxytag: member="Exiv2::Internal::Cr2Header::read" ref="ae1f8edc05a5fab9ef139db87cea36a2" args="(const byte *pData, uint32_t size)" -->
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<td class="memname">bool Exiv2::Internal::Cr2Header::read </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">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><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<p>
Read the image header from a data buffer. Return false if the data buffer does not contain an image header of the expected format, else true.
<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>pData</em> </td><td>Pointer to the data buffer. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>size</em> </td><td>Number of bytes in the data buffer. </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>True if the TIFF header was read successfully. False if the data buffer does not contain a valid TIFF header. </dd></dl>
<p>Reimplemented from <a class="el" href="classExiv2_1_1Internal_1_1TiffHeaderBase.html#c6c2b995f17db153877d7a49ad80eaf6">Exiv2::Internal::TiffHeaderBase</a>.</p>
<p>References <a class="el" href="tiffimage_8cpp_source.html#l00900">Exiv2::Internal::TiffHeaderBase::byteOrder()</a>, <a class="el" href="types_8cpp_source.html#l00191">Exiv2::getULong()</a>, <a class="el" href="types_8cpp_source.html#l00181">Exiv2::getUShort()</a>, <a class="el" href="tiffimage_8cpp_source.html#l00905">Exiv2::Internal::TiffHeaderBase::setByteOrder()</a>, <a class="el" href="tiffimage_8cpp_source.html#l00915">Exiv2::Internal::TiffHeaderBase::setOffset()</a>, and <a class="el" href="tiffimage_8cpp_source.html#l00925">Exiv2::Internal::TiffHeaderBase::tag()</a>.</p>
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<a class="anchor" name="02ebc1abe81929a1df1b2a4daec61daf"></a><!-- doxytag: member="Exiv2::Internal::Cr2Header::write" ref="02ebc1abe81929a1df1b2a4daec61daf" args="(Blob &blob) const " -->
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<td class="memname">uint32_t Exiv2::Internal::Cr2Header::write </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespaceExiv2.html#6e7b9a2ef47caec919b15f1ae6ff4872">Blob</a> & </td>
<td class="paramname"> <em>blob</em> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
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</table>
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<div class="memdoc">
<p>
Write the image header to the binary image <em>blob</em>. This method appends to the blob.
<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>blob</em> </td><td>Binary image to add to. </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>Number of bytes written. </dd></dl>
<p>Reimplemented from <a class="el" href="classExiv2_1_1Internal_1_1TiffHeaderBase.html#c9b29d3bb6172d8ec7f07d334d943e6e">Exiv2::Internal::TiffHeaderBase</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="cr2image__int_8hpp.html">cr2image_int.hpp</a><li>cr2image.cpp</ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Thu Jun 25 15:18:11 2009 for Exiv2 by
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