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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Exiv2: Exiv2::TiffReader Class Reference</title>
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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">TiffParser</a> to read the TIFF data from a block of memory.
<a href="#_details">More...</a>
<p>
<code>#include <tiffvisitor.hpp></code>
<p>
Inheritance diagram for Exiv2::TiffReader:<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 href="classExiv2_1_1TiffVisitor.html" shape="rect" coords="8,7,125,31" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for Exiv2::TiffReader:<p><center><img src="classExiv2_1_1TiffReader__coll__graph.png" border="0" usemap="#Exiv2_1_1TiffReader__coll__map" alt="Collaboration graph"></center>
<map name="Exiv2_1_1TiffReader__coll__map">
<area href="classExiv2_1_1TiffVisitor.html" shape="rect" coords="5,7,123,31" alt="">
<area href="classExiv2_1_1TiffRwState.html" shape="rect" coords="147,7,277,31" alt="">
<area href="classExiv2_1_1TiffComponent.html" shape="rect" coords="301,7,451,31" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><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="a1ee214b07a9afd47cde4453e1bfd3d7"></a><!-- doxytag: member="Exiv2::TiffReader::~TiffReader" ref="a1ee214b07a9afd47cde4453e1bfd3d7" args="()" -->
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#a1ee214b07a9afd47cde4453e1bfd3d7">~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="f1f6f8d65cfaa0b2bf55c748b03b53a5"></a><!-- doxytag: member="Exiv2::TiffReader::visitEntry" ref="f1f6f8d65cfaa0b2bf55c748b03b53a5" args="(TiffEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#f1f6f8d65cfaa0b2bf55c748b03b53a5">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="85ddc21d0805b6a9993b55c1def8e5ed"></a><!-- doxytag: member="Exiv2::TiffReader::visitDataEntry" ref="85ddc21d0805b6a9993b55c1def8e5ed" args="(TiffDataEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#85ddc21d0805b6a9993b55c1def8e5ed">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="b4510ec108061c194ec7e45f45ea5a4f"></a><!-- doxytag: member="Exiv2::TiffReader::visitSizeEntry" ref="b4510ec108061c194ec7e45f45ea5a4f" args="(TiffSizeEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#b4510ec108061c194ec7e45f45ea5a4f">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="e21e628411bb869d837b84bbe2b2530b"></a><!-- doxytag: member="Exiv2::TiffReader::visitDirectory" ref="e21e628411bb869d837b84bbe2b2530b" args="(TiffDirectory *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#e21e628411bb869d837b84bbe2b2530b">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="ec9c3317f079fbfe42c61de6f2387eef"></a><!-- doxytag: member="Exiv2::TiffReader::visitSubIfd" ref="ec9c3317f079fbfe42c61de6f2387eef" args="(TiffSubIfd *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#ec9c3317f079fbfe42c61de6f2387eef">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="1a235b3e3e5b70e0c232493fc8b3347e"></a><!-- doxytag: member="Exiv2::TiffReader::visitMnEntry" ref="1a235b3e3e5b70e0c232493fc8b3347e" args="(TiffMnEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#1a235b3e3e5b70e0c232493fc8b3347e">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="7452bebae41d3e240c721d9a66f3c969"></a><!-- doxytag: member="Exiv2::TiffReader::visitIfdMakernote" ref="7452bebae41d3e240c721d9a66f3c969" args="(TiffIfdMakernote *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#7452bebae41d3e240c721d9a66f3c969">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="a9b95a4403bff8a404bf88a4d0891b48"></a><!-- doxytag: member="Exiv2::TiffReader::visitIfdMakernoteEnd" ref="a9b95a4403bff8a404bf88a4d0891b48" args="(TiffIfdMakernote *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#a9b95a4403bff8a404bf88a4d0891b48">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="9a9d40c0d3f06dd7e11714d37ed68082"></a><!-- doxytag: member="Exiv2::TiffReader::visitArrayEntry" ref="9a9d40c0d3f06dd7e11714d37ed68082" args="(TiffArrayEntry *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#9a9d40c0d3f06dd7e11714d37ed68082">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="b394a34166160fa91ebfcb66535ab37e"></a><!-- doxytag: member="Exiv2::TiffReader::visitArrayElement" ref="b394a34166160fa91ebfcb66535ab37e" args="(TiffArrayElement *object)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#b394a34166160fa91ebfcb66535ab37e">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">TiffRwState</a> for details. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f32f1ab5faddbc298ab5ee021578708f"></a><!-- doxytag: member="Exiv2::TiffReader::create" ref="f32f1ab5faddbc298ab5ee021578708f" args="(uint32_t extendedTag, uint16_t group) const " -->
<a class="el" href="classExiv2_1_1TiffComponent.html#61ce4dcede30ca3d1b34178cc12a0d0d">TiffComponent::AutoPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1TiffReader.html#f32f1ab5faddbc298ab5ee021578708f">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">TiffParser</a> to read the TIFF data from a block of memory.
<p>
<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)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">Exiv2::TiffReader::TiffReader </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="mdname" nowrap> <em>pData</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>uint32_t </td>
<td class="mdname" nowrap> <em>size</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="classExiv2_1_1TiffComponent.html">TiffComponent</a> * </td>
<td class="mdname" nowrap> <em>pRoot</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="classExiv2_1_1TiffRwState.html#ae29afcaeb636bb11d55b79509a91486">TiffRwState::AutoPtr</a> </td>
<td class="mdname" nowrap> <em>state</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<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>
</td>
</tr>
</table>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="tiffvisitor_8hpp.html">tiffvisitor.hpp</a><li>tiffvisitor.cpp</ul>
<hr size="1"><address style="align: right;"><small>Generated on Fri Jun 2 23:55:35 2006 for Exiv2 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
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