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<p><code>#include &lt;<a class="el" href="device_8hpp_source.html">device.hpp</a>&gt;</code></p>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Used to overload the constructor.  <a href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html#details">More...</a><br /></td></tr>
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using&#160;</td><td class="memItemRight" valign="bottom"><b>format_tag_t</b> = FormatTag</td></tr>
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Public Member Functions</h2></td></tr>
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FILE *&#160;</td><td class="memItemRight" valign="bottom"><b>get</b> ()</td></tr>
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const FILE *&#160;</td><td class="memItemRight" valign="bottom"><b>get</b> () const</td></tr>
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int&#160;</td><td class="memItemRight" valign="bottom"><b>getc_unchecked</b> ()</td></tr>
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char&#160;</td><td class="memItemRight" valign="bottom"><b>getc</b> ()</td></tr>
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<tr class="memitem:ab24d2614f1eb54a5571eccf3a92460ce"><td class="memItemLeft" align="right" valign="top">std::size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ab24d2614f1eb54a5571eccf3a92460ce">read</a> (byte_t *data, std::size_t count)</td></tr>
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template&lt;typename T , int N&gt; </td></tr>
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uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a">read_uint8</a> ()</td></tr>
<tr class="memdesc:a817ffb3a794dffd86f4a7a99cb9a2a4a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads byte. <br /></td></tr>
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uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a7d2904b739166f8f094f8194bb04dc43">read_uint16</a> ()</td></tr>
<tr class="memdesc:a7d2904b739166f8f094f8194bb04dc43"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads 16 bit little endian integer. <br /></td></tr>
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uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#adfad6699e3c78d5ea641e2716b4ad73d">read_uint32</a> ()</td></tr>
<tr class="memdesc:adfad6699e3c78d5ea641e2716b4ad73d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads 32 bit little endian integer. <br /></td></tr>
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template&lt;typename T &gt; </td></tr>
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<tr class="memdesc:a5245d4d6f6409cd6f0b923e5c9ef0b98"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes number of elements from a buffer. <br /></td></tr>
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template&lt;typename T , std::size_t N&gt; </td></tr>
<tr class="memitem:aab497dd2ae4f798d2649011d0378a26a"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aab497dd2ae4f798d2649011d0378a26a">write</a> (const T(&amp;buf)[N])</td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a595ab07d969c1dea44b709fe8a10704f">write_uint8</a> (uint8_t x)</td></tr>
<tr class="memdesc:a595ab07d969c1dea44b709fe8a10704f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes byte. <br /></td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ae38d3c677b585360def5ab6ec4bb28b3">write_uint16</a> (uint16_t x)</td></tr>
<tr class="memdesc:ae38d3c677b585360def5ab6ec4bb28b3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes 16 bit little endian integer. <br /></td></tr>
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<tr class="memitem:a2b1f82c9a1f809c77a9d5c83ae7c18bb"><td class="memItemLeft" align="right" valign="top"><a id="a2b1f82c9a1f809c77a9d5c83ae7c18bb"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb">write_uint32</a> (uint32_t x)</td></tr>
<tr class="memdesc:a2b1f82c9a1f809c77a9d5c83ae7c18bb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes 32 bit little endian integer. <br /></td></tr>
<tr class="separator:a2b1f82c9a1f809c77a9d5c83ae7c18bb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a97c3905737bd0578df1a23ed2a00a5a1"><td class="memItemLeft" align="right" valign="top"><a id="a97c3905737bd0578df1a23ed2a00a5a1"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>seek</b> (long count, int whence=SEEK_SET)</td></tr>
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<tr class="memitem:a2b4944d2b690c897d9d70e1114a190ca"><td class="memItemLeft" align="right" valign="top"><a id="a2b4944d2b690c897d9d70e1114a190ca"></a>
long int&#160;</td><td class="memItemRight" valign="bottom"><b>tell</b> ()</td></tr>
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<tr class="memitem:adac116554b543b7c4228c018a85882f5"><td class="memItemLeft" align="right" valign="top"><a id="adac116554b543b7c4228c018a85882f5"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>flush</b> ()</td></tr>
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<tr class="memitem:a5117c47dfac83525967e6c01c3b27894"><td class="memItemLeft" align="right" valign="top"><a id="a5117c47dfac83525967e6c01c3b27894"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5117c47dfac83525967e6c01c3b27894">print_line</a> (const std::string &amp;line)</td></tr>
<tr class="memdesc:a5117c47dfac83525967e6c01c3b27894"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prints formatted ASCII text. <br /></td></tr>
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<tr class="memitem:ad1a5ba420409525ff5ab1be86ac5e526"><td class="memItemLeft" align="right" valign="top"><a id="ad1a5ba420409525ff5ab1be86ac5e526"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><b>error</b> ()</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;typename FormatTag&gt;<br />
class boost::gil::detail::file_stream_device&lt; FormatTag &gt;</h3>

<p>Implements the IODevice concept c.f. to <a class="el" href="iobackend.html#IODevice">Concept of IO Device</a> required by Image libraries like libjpeg and libpng.</p>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000008">Todo:</a></b></dt><dd>switch to a sane interface as soon as there is something good in boost. I.E. the IOChains library would fit very well here.</dd></dl>
<p>This implementation is based on FILE*. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a1f2f702329345cf39fae19cdc2158640"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1f2f702329345cf39fae19cdc2158640">&#9670;&nbsp;</a></span>file_stream_device() <span class="overload">[1/5]</span></h2>

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          <td class="memname"><a class="el" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a> </td>
          <td>(</td>
          <td class="paramtype">const std::string &amp;&#160;</td>
          <td class="paramname"><em>file_name</em>, </td>
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          <td></td>
          <td class="paramtype"><a class="el" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a>&#160;</td>
          <td class="paramname"><em>tag</em> = <code><a class="el" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a>()</code>&#160;</td>
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<p>Constructor </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ad692a035bb74a9641b3823eefb3d4f5b">&#9670;&nbsp;</a></span>file_stream_device() <span class="overload">[2/5]</span></h2>

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<p>Constructor </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a8325e5d8c4cc292297a2febdf2f26f03">&#9670;&nbsp;</a></span>file_stream_device() <span class="overload">[4/5]</span></h2>

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<p>Constructor </p>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ab24d2614f1eb54a5571eccf3a92460ce">&#9670;&nbsp;</a></span>read()</h2>

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        <tr>
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<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000009">Todo:</a></b></dt><dd>: change byte_t* to void* </dd></dl>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000010">Todo:</a></b></dt><dd>: add compiler symbol to turn error checking on and off. </dd></dl>

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<hr/>The documentation for this class was generated from the following file:<ul>
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