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47 <div class="title">get_write_device.hpp</div> </div>
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50 <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright 2012 Christian Henning</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#ifndef BOOST_GIL_IO_GET_WRITE_DEVICE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_IO_GET_WRITE_DEVICE_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <boost/gil/detail/mp11.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/io/device.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/gil/io/path_spec.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T, <span class="keyword">typename</span> FormatTag, <span class="keyword">class</span> Enable = <span class="keywordtype">void</span>></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">struct </span>get_write_device {};</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">struct </span>get_write_device</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  Device,</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  FormatTag,</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  typename std::enable_if</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  mp11::mp_and</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  detail::is_adaptable_output_device<FormatTag, Device>,</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  is_format_tag<FormatTag></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  >::value</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  >::type</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> ></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">using</span> type =</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">typename</span> detail::is_adaptable_output_device<FormatTag, Device>::device_type;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> };</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">template</span> <<span class="keyword">typename</span> String, <span class="keyword">typename</span> FormatTag></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">struct </span>get_write_device</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  String,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  FormatTag,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  typename std::enable_if</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  mp11::mp_and</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  detail::is_supported_path_spec<String>,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  is_format_tag<FormatTag></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  >::value</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  >::type</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> ></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">using</span> type = detail::file_stream_device<FormatTag>;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> };</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }} <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div></div><!-- fragment --></div><!-- 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