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<a class="el" href="namespaceExiv2.html">Exiv2</a>::<a class="el" href="classExiv2_1_1TiffReader.html">TiffReader</a></div>
<h1>Exiv2::TiffReader Class Reference</h1><!-- doxytag: class="Exiv2::TiffReader" --><!-- doxytag: inherits="Exiv2::TiffVisitor" -->TIFF composite visitor to read the TIFF structure from a block of memory and build the composite from it (Visitor pattern). Used by <a class="el" href="classExiv2_1_1TiffParser.html" title="Stateless parser class for data in TIFF format. Images use this class to decode and...">TiffParser</a> to read the TIFF data from a block of memory.
<a href="#_details">More...</a>
<p>
<code>#include <tiffvisitor.hpp></code>
<p>
<div class="dynheader">
Inheritance diagram for Exiv2::TiffReader:</div>
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<p><center><img src="classExiv2_1_1TiffReader__inherit__graph.png" border="0" usemap="#Exiv2_1_1TiffReader__inherit__map" alt="Inheritance graph"></center>
<map name="Exiv2_1_1TiffReader__inherit__map">
<area shape="rect" href="classExiv2_1_1TiffVisitor.html" title="Abstract base class defining the interface for TIFF composite vistors (Visitor pattern)..." alt="" coords="5,7,205,31"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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Collaboration diagram for Exiv2::TiffReader:</div>
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<p><center><img src="classExiv2_1_1TiffReader__coll__graph.png" border="0" usemap="#Exiv2_1_1TiffReader__coll__map" alt="Collaboration graph"></center>
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<area shape="rect" href="classExiv2_1_1TiffVisitor.html" title="Abstract base class defining the interface for TIFF composite vistors (Visitor pattern)..." alt="" coords="5,6,205,30"><area shape="rect" href="classExiv2_1_1TiffRwState.html" title="Simple state class containing relevant state information for the TIFF reader. This..." alt="" coords="229,6,429,30"><area shape="rect" href="classExiv2_1_1TiffComponent.html" title="Interface class for components of a TIFF directory hierarchy (Composite pattern)..." alt="" coords="453,6,675,30"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classExiv2_1_1TiffReader-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"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#b378eb73833e53f62a86c8ff6531d932">TiffReader</a> (const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> *pData, uint32_t size, <a class="el" href="classExiv2_1_1TiffComponent.html">TiffComponent</a> *pRoot, <a class="el" href="classExiv2_1_1TiffRwState.html#ae29afcaeb636bb11d55b79509a91486">TiffRwState::AutoPtr</a> state)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. The data buffer and table describing the TIFF structure of the data are set in the constructor. <a href="#b378eb73833e53f62a86c8ff6531d932"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a8dd57761cdbf351b4e4139339f189f0"></a><!-- doxytag: member="Exiv2::TiffReader::~TiffReader" ref="a8dd57761cdbf351b4e4139339f189f0" args="()" -->
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#a8dd57761cdbf351b4e4139339f189f0">~TiffReader</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Virtual destructor. <br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b00aea25e7dd3014ab417d130de32df7"></a><!-- doxytag: member="Exiv2::TiffReader::visitEntry" ref="b00aea25e7dd3014ab417d130de32df7" args="(TiffEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#b00aea25e7dd3014ab417d130de32df7">visitEntry</a> (<a class="el" href="classExiv2_1_1TiffEntry.html">TiffEntry</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a TIFF entry from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a443db0e4db2ed8d24c5b815d4726a9e"></a><!-- doxytag: member="Exiv2::TiffReader::visitDataEntry" ref="a443db0e4db2ed8d24c5b815d4726a9e" args="(TiffDataEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#a443db0e4db2ed8d24c5b815d4726a9e">visitDataEntry</a> (<a class="el" href="classExiv2_1_1TiffDataEntry.html">TiffDataEntry</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a TIFF data entry from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="684fad7087e8cad637611ae89301a349"></a><!-- doxytag: member="Exiv2::TiffReader::visitSizeEntry" ref="684fad7087e8cad637611ae89301a349" args="(TiffSizeEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#684fad7087e8cad637611ae89301a349">visitSizeEntry</a> (<a class="el" href="classExiv2_1_1TiffSizeEntry.html">TiffSizeEntry</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a TIFF size entry from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="42f5a480a5720ef14309130c6eec12aa"></a><!-- doxytag: member="Exiv2::TiffReader::visitDirectory" ref="42f5a480a5720ef14309130c6eec12aa" args="(TiffDirectory *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#42f5a480a5720ef14309130c6eec12aa">visitDirectory</a> (<a class="el" href="classExiv2_1_1TiffDirectory.html">TiffDirectory</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a TIFF directory from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5c6648c14b1a7d41bab5be6122c9264b"></a><!-- doxytag: member="Exiv2::TiffReader::visitSubIfd" ref="5c6648c14b1a7d41bab5be6122c9264b" args="(TiffSubIfd *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#5c6648c14b1a7d41bab5be6122c9264b">visitSubIfd</a> (<a class="el" href="classExiv2_1_1TiffSubIfd.html">TiffSubIfd</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a TIFF sub-IFD from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d5ad502842c90a60873a36cfca983a46"></a><!-- doxytag: member="Exiv2::TiffReader::visitMnEntry" ref="d5ad502842c90a60873a36cfca983a46" args="(TiffMnEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#d5ad502842c90a60873a36cfca983a46">visitMnEntry</a> (<a class="el" href="classExiv2_1_1TiffMnEntry.html">TiffMnEntry</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a TIFF makernote entry from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b0d46e9aaaad2288a0610a3cc90b2c5c"></a><!-- doxytag: member="Exiv2::TiffReader::visitIfdMakernote" ref="b0d46e9aaaad2288a0610a3cc90b2c5c" args="(TiffIfdMakernote *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#b0d46e9aaaad2288a0610a3cc90b2c5c">visitIfdMakernote</a> (<a class="el" href="classExiv2_1_1TiffIfdMakernote.html">TiffIfdMakernote</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read an IFD makernote from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b3d1637bd64941eecd4b362e75737d93"></a><!-- doxytag: member="Exiv2::TiffReader::visitIfdMakernoteEnd" ref="b3d1637bd64941eecd4b362e75737d93" args="(TiffIfdMakernote *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#b3d1637bd64941eecd4b362e75737d93">visitIfdMakernoteEnd</a> (<a class="el" href="classExiv2_1_1TiffIfdMakernote.html">TiffIfdMakernote</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reset reader to its original state, undo makernote specific settings. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a0a9065346467be8471b93fa8a63fb11"></a><!-- doxytag: member="Exiv2::TiffReader::visitArrayEntry" ref="a0a9065346467be8471b93fa8a63fb11" args="(TiffArrayEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#a0a9065346467be8471b93fa8a63fb11">visitArrayEntry</a> (<a class="el" href="classExiv2_1_1TiffArrayEntry.html">TiffArrayEntry</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read an array entry component from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="674331cf0d1d84ab85658a1a8c09cc9e"></a><!-- doxytag: member="Exiv2::TiffReader::visitArrayElement" ref="674331cf0d1d84ab85658a1a8c09cc9e" args="(TiffArrayElement *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#674331cf0d1d84ab85658a1a8c09cc9e">visitArrayElement</a> (<a class="el" href="classExiv2_1_1TiffArrayElement.html">TiffArrayElement</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read an array element from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8dc888337ec37d0dc1690c0a30d349a7"></a><!-- doxytag: member="Exiv2::TiffReader::readTiffEntry" ref="8dc888337ec37d0dc1690c0a30d349a7" args="(TiffEntryBase *object)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#8dc888337ec37d0dc1690c0a30d349a7">readTiffEntry</a> (<a class="el" href="classExiv2_1_1TiffEntryBase.html">TiffEntryBase</a> *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read a standard TIFF entry from the data buffer. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="635cb05a05dd7b3e9722d2a3a7f74660"></a><!-- doxytag: member="Exiv2::TiffReader::changeState" ref="635cb05a05dd7b3e9722d2a3a7f74660" args="(TiffRwState::AutoPtr state)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#635cb05a05dd7b3e9722d2a3a7f74660">changeState</a> (<a class="el" href="classExiv2_1_1TiffRwState.html#ae29afcaeb636bb11d55b79509a91486">TiffRwState::AutoPtr</a> state)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the <em>state</em> class. Assumes ownership of the object passed in. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e45ff48eb1f3542fd98818436146f402"></a><!-- doxytag: member="Exiv2::TiffReader::resetState" ref="e45ff48eb1f3542fd98818436146f402" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#e45ff48eb1f3542fd98818436146f402">resetState</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reset the state to the original state as set in the 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="c198f8118fd281e51b7249c803acac3f"></a><!-- doxytag: member="Exiv2::TiffReader::byteOrder" ref="c198f8118fd281e51b7249c803acac3f" args="() const " -->
<a class="el" href="namespaceExiv2.html#94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#c198f8118fd281e51b7249c803acac3f">byteOrder</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the byte order. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ad9e39b44b1fce8cb7058b7deb3f1b0e"></a><!-- doxytag: member="Exiv2::TiffReader::baseOffset" ref="ad9e39b44b1fce8cb7058b7deb3f1b0e" args="() const " -->
uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#ad9e39b44b1fce8cb7058b7deb3f1b0e">baseOffset</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the base offset. See class <a class="el" href="classExiv2_1_1TiffRwState.html" title="Simple state class containing relevant state information for the TIFF reader. This...">TiffRwState</a> for details. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a0e1787de9ce5ba9d3333d484b56918a"></a><!-- doxytag: member="Exiv2::TiffReader::create" ref="a0e1787de9ce5ba9d3333d484b56918a" args="(uint32_t extendedTag, uint16_t group) const " -->
std::auto_ptr< <a class="el" href="classExiv2_1_1TiffComponent.html">TiffComponent</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#a0e1787de9ce5ba9d3333d484b56918a">create</a> (uint32_t extendedTag, uint16_t group) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a TIFF component for <em>extendedTag</em> and group. <br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
TIFF composite visitor to read the TIFF structure from a block of memory and build the composite from it (Visitor pattern). Used by <a class="el" href="classExiv2_1_1TiffParser.html" title="Stateless parser class for data in TIFF format. Images use this class to decode and...">TiffParser</a> to read the TIFF data from a block of memory. <hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="b378eb73833e53f62a86c8ff6531d932"></a><!-- doxytag: member="Exiv2::TiffReader::TiffReader" ref="b378eb73833e53f62a86c8ff6531d932" args="(const byte *pData, uint32_t size, TiffComponent *pRoot, TiffRwState::AutoPtr state)" -->
<div class="memitem">
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<td class="memname">Exiv2::TiffReader::TiffReader </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>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"> <em>size</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classExiv2_1_1TiffComponent.html">TiffComponent</a> * </td>
<td class="paramname"> <em>pRoot</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classExiv2_1_1TiffRwState.html#ae29afcaeb636bb11d55b79509a91486">TiffRwState::AutoPtr</a> </td>
<td class="paramname"> <em>state</em></td><td> </td>
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<td></td>
<td>)</td>
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<p>
Constructor. The data buffer and table describing the TIFF structure of the data are set in the constructor.
<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, starting with a TIFF header. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>size</em> </td><td>Number of bytes in the data buffer. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>pRoot</em> </td><td>Root element of the TIFF composite. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>state</em> </td><td>State object for creation function, byteorder and base offset. </td></tr>
</table>
</dl>
</div>
</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="tiffvisitor_8hpp.html">tiffvisitor.hpp</a></ul>
<hr size="1"><address style="text-align: right;"><small>Generated on Tue Feb 5 11:51:13 2008 for Exiv2 by
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