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417 lines
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<div class="title">I/O</div> </div>
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<p>Support for reading and writing images to file.
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<a href="#details">More...</a></p>
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<table class="memberdecls">
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Modules</h2></td></tr>
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<tr class="memitem:group___j_p_e_g___i_o"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___j_p_e_g___i_o.html">JPEG I/O</a></td></tr>
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<tr class="memdesc:group___j_p_e_g___i_o"><td class="mdescLeft"> </td><td class="mdescRight">Support for reading and writing JPEG image files. <br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:group___t_i_f_f___i_o"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_i_f_f___i_o.html">TIFF I/O</a></td></tr>
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<tr class="memdesc:group___t_i_f_f___i_o"><td class="mdescLeft"> </td><td class="mdescRight">Support for reading and writing TIFF image files. <br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:group___p_n_g___i_o"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_n_g___i_o.html">PNG I/O</a></td></tr>
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<tr class="memdesc:group___p_n_g___i_o"><td class="mdescLeft"> </td><td class="mdescRight">Support for reading and writing PNG image files. <br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:gaf18f6566f79d4957be982c8f3795e3eb"><td class="memTemplParams" colspan="2">template<typename Reader , typename Image > </td></tr>
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<tr class="memitem:gaf18f6566f79d4957be982c8f3795e3eb"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___i_o.html#gaf18f6566f79d4957be982c8f3795e3eb">read_and_convert_image</a> (Reader &reader, Image &img, typename std::enable_if< mpl::and_< detail::is_reader< Reader >, is_format_tag< typename Reader::format_tag_t > >::value >::type *=nullptr)</td></tr>
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<tr class="memdesc:gaf18f6566f79d4957be982c8f3795e3eb"><td class="mdescLeft"> </td><td class="mdescRight">Reads and color-converts an image. Image memory is allocated. <a href="group___i_o.html#gaf18f6566f79d4957be982c8f3795e3eb">More...</a><br /></td></tr>
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<tr class="separator:gaf18f6566f79d4957be982c8f3795e3eb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga6d72534307184ad2adbb5bb31ac16e79"><td class="memTemplParams" colspan="2">template<typename Reader , typename View > </td></tr>
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<tr class="memitem:ga6d72534307184ad2adbb5bb31ac16e79"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___i_o.html#ga6d72534307184ad2adbb5bb31ac16e79">read_and_convert_view</a> (Reader &reader, View const &view, typename std::enable_if< mpl::and_< detail::is_reader< Reader >, is_format_tag< typename Reader::format_tag_t > >::value >::type *=nullptr)</td></tr>
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<tr class="memdesc:ga6d72534307184ad2adbb5bb31ac16e79"><td class="mdescLeft"> </td><td class="mdescRight">Reads and color-converts an image view. No memory is allocated. <a href="group___i_o.html#ga6d72534307184ad2adbb5bb31ac16e79">More...</a><br /></td></tr>
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<tr class="separator:ga6d72534307184ad2adbb5bb31ac16e79"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gafc45cfa7ae76b7e2ca8e748addd6a27a"><td class="memTemplParams" colspan="2">template<typename Reader , typename Image > </td></tr>
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<tr class="memitem:gafc45cfa7ae76b7e2ca8e748addd6a27a"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___i_o.html#gafc45cfa7ae76b7e2ca8e748addd6a27a">read_image</a> (Reader reader, Image &img, typename std::enable_if< mpl::and_< detail::is_reader< Reader >, is_format_tag< typename Reader::format_tag_t >, <a class="el" href="structboost_1_1gil_1_1is__read__supported.html">is_read_supported</a>< typename get_pixel_type< typename Image::view_t >::type, typename Reader::format_tag_t > >::value >::type *=nullptr)</td></tr>
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<tr class="memdesc:gafc45cfa7ae76b7e2ca8e748addd6a27a"><td class="mdescLeft"> </td><td class="mdescRight">Reads an image without conversion. Image memory is allocated. <a href="group___i_o.html#gafc45cfa7ae76b7e2ca8e748addd6a27a">More...</a><br /></td></tr>
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<tr class="separator:gafc45cfa7ae76b7e2ca8e748addd6a27a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga0aabfc20bb861dae2f4c5bb1a89dd186"><td class="memTemplParams" colspan="2">template<typename Device , typename FormatTag > </td></tr>
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<tr class="memitem:ga0aabfc20bb861dae2f4c5bb1a89dd186"><td class="memTemplItemLeft" align="right" valign="top">auto </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___i_o.html#ga0aabfc20bb861dae2f4c5bb1a89dd186">read_image_info</a> (Device &file, image_read_settings< FormatTag > const &settings, typename std::enable_if< mpl::and_< detail::is_adaptable_input_device< FormatTag, Device >, is_format_tag< FormatTag > >::value >::type *=nullptr) -> typename <a class="el" href="structboost_1_1gil_1_1get__reader__backend.html">get_reader_backend</a>< Device, FormatTag >::type</td></tr>
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<tr class="memdesc:ga0aabfc20bb861dae2f4c5bb1a89dd186"><td class="mdescLeft"> </td><td class="mdescRight">Returns the image format backend. Backend is format specific. <a href="group___i_o.html#ga0aabfc20bb861dae2f4c5bb1a89dd186">More...</a><br /></td></tr>
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<tr class="separator:ga0aabfc20bb861dae2f4c5bb1a89dd186"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac7906e41288b6617e5b6b55123f0ca73"><td class="memTemplParams" colspan="2">template<typename Reader , typename View > </td></tr>
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<tr class="memitem:gac7906e41288b6617e5b6b55123f0ca73"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___i_o.html#gac7906e41288b6617e5b6b55123f0ca73">read_view</a> (Reader reader, View const &view, typename std::enable_if< mpl::and_< detail::is_reader< Reader >, typename is_format_tag< typename Reader::format_tag_t >::type, typename <a class="el" href="structboost_1_1gil_1_1is__read__supported.html">is_read_supported</a>< typename get_pixel_type< View >::type, typename Reader::format_tag_t >::type >::value >::type *=nullptr)</td></tr>
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<tr class="memdesc:gac7906e41288b6617e5b6b55123f0ca73"><td class="mdescLeft"> </td><td class="mdescRight">Reads an image view without conversion. No memory is allocated. <a href="group___i_o.html#gac7906e41288b6617e5b6b55123f0ca73">More...</a><br /></td></tr>
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<tr class="separator:gac7906e41288b6617e5b6b55123f0ca73"><td class="memSeparator" colspan="2"> </td></tr>
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template<typename Writer , typename View > </td></tr>
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<tr class="memitem:gaf4f6d6d9b3fadffc5c2b0e683b021c5e"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>write_view</b> (Writer &writer, View const &view, typename std::enable_if< mpl::and_< typename detail::is_writer< Writer >::type, typename is_format_tag< typename Writer::format_tag_t >::type, typename is_write_supported< typename get_pixel_type< View >::type, typename Writer::format_tag_t >::type >::value >::type *=nullptr)</td></tr>
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template<typename Device , typename View , typename FormatTag > </td></tr>
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<tr class="memitem:gaff78d2f5a1d2752363f71c26b6052fc9"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>write_view</b> (Device &device, View const &view, FormatTag const &tag, typename std::enable_if< mpl::and_< typename <a class="el" href="structboost_1_1gil_1_1detail_1_1is__write__device.html">detail::is_write_device</a>< FormatTag, Device >::type, typename is_format_tag< FormatTag >::type, typename is_write_supported< typename get_pixel_type< View >::type, FormatTag >::type >::value >::type *=nullptr)</td></tr>
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template<typename String , typename View , typename FormatTag > </td></tr>
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<tr class="memitem:ga8139e12e2ad65153358a39814abc295f"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>write_view</b> (String const &file_name, View const &view, FormatTag const &tag, typename std::enable_if< mpl::and_< typename detail::is_supported_path_spec< String >::type, typename is_format_tag< FormatTag >::type, typename is_write_supported< typename get_pixel_type< View >::type, FormatTag >::type >::value >::type *=nullptr)</td></tr>
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<tr class="memitem:gab5c9624653af13392d1fa9c1d4a78a42"><td class="memTemplParams" colspan="2"><a id="gab5c9624653af13392d1fa9c1d4a78a42"></a>
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template<typename Device , typename View , typename FormatTag , typename Log > </td></tr>
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<tr class="memitem:gab5c9624653af13392d1fa9c1d4a78a42"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>write_view</b> (Device &device, View const &view, image_write_info< FormatTag, Log > const &info, typename std::enable_if< mpl::and_< typename <a class="el" href="structboost_1_1gil_1_1detail_1_1is__write__device.html">detail::is_write_device</a>< FormatTag, Device >::type, typename is_format_tag< FormatTag >::type, typename is_write_supported< typename get_pixel_type< View >::type, FormatTag >::type >::value >::type *=nullptr)</td></tr>
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template<typename String , typename View , typename FormatTag , typename Log > </td></tr>
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<tr class="memitem:gacde5f3bbe437cd506904eab32582b571"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>write_view</b> (String const &file_name, View const &view, image_write_info< FormatTag, Log > const &info, typename std::enable_if< mpl::and_< typename detail::is_supported_path_spec< String >::type, typename is_format_tag< FormatTag >::type, typename is_write_supported< typename get_pixel_type< View >::type, FormatTag >::type >::value >::type *=nullptr)</td></tr>
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<tr class="memitem:ga5e636f14f7b1701867924267a122c20e"><td class="memTemplParams" colspan="2"><a id="ga5e636f14f7b1701867924267a122c20e"></a>
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template<typename Device , typename Views , typename FormatTag , typename Log > </td></tr>
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<tr class="memitem:ga5e636f14f7b1701867924267a122c20e"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>write_view</b> (Device &device, <a class="el" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a>< Views > const &views, image_write_info< FormatTag, Log > const &info, typename std::enable_if< mpl::and_< typename <a class="el" href="structboost_1_1gil_1_1detail_1_1is__write__device.html">detail::is_write_device</a>< FormatTag, Device >::type, typename is_format_tag< FormatTag >::type >::value >::type *=0)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>Support for reading and writing images to file. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="gaf18f6566f79d4957be982c8f3795e3eb"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf18f6566f79d4957be982c8f3795e3eb">◆ </a></span>read_and_convert_image()</h2>
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<td class="memname">void boost::gil::read_and_convert_image </td>
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<td>(</td>
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<td class="paramtype">Reader & </td>
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<td class="paramname"><em>reader</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">Image & </td>
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<td class="paramname"><em>img</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">typename std::enable_if< mpl::and_< detail::is_reader< Reader >, is_format_tag< typename Reader::format_tag_t > >::value >::type * </td>
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<td class="paramname"> = <code>nullptr</code> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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</div><div class="memdoc">
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<p>Reads and color-converts an image. Image memory is allocated. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">reader</td><td>An image reader. </td></tr>
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<tr><td class="paramname">img</td><td>The image in which the data is read into. </td></tr>
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<tr><td class="paramname">settings</td><td>Specifies read settings depending on the image format. </td></tr>
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<tr><td class="paramname">cc</td><td>Color converter function object. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="exception"><dt>Exceptions</dt><dd>
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<table class="exception">
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<tr><td class="paramname">std::ios_base::failure</td><td></td></tr>
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</table>
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</dd>
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</dl>
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<a id="ga6d72534307184ad2adbb5bb31ac16e79"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6d72534307184ad2adbb5bb31ac16e79">◆ </a></span>read_and_convert_view()</h2>
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<td class="memname">void boost::gil::read_and_convert_view </td>
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<td>(</td>
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<td class="paramtype">Reader & </td>
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<td class="paramname"><em>reader</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">View const & </td>
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<td class="paramname"><em>view</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">typename std::enable_if< mpl::and_< detail::is_reader< Reader >, is_format_tag< typename Reader::format_tag_t > >::value >::type * </td>
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<td class="paramname"> = <code>nullptr</code> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Reads and color-converts an image view. No memory is allocated. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">reader</td><td>An image reader. </td></tr>
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<tr><td class="paramname">img</td><td>The image in which the data is read into. </td></tr>
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<tr><td class="paramname">settings</td><td>Specifies read settings depending on the image format. </td></tr>
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<tr><td class="paramname">cc</td><td>Color converter function object. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#gafc45cfa7ae76b7e2ca8e748addd6a27a">◆ </a></span>read_image()</h2>
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<td class="memname">void boost::gil::read_image </td>
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<td>(</td>
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<td class="paramtype">Reader </td>
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<td class="paramname"><em>reader</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">Image & </td>
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<td class="paramname"><em>img</em>, </td>
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<td class="paramtype">typename std::enable_if< mpl::and_< detail::is_reader< Reader >, is_format_tag< typename Reader::format_tag_t >, <a class="el" href="structboost_1_1gil_1_1is__read__supported.html">is_read_supported</a>< typename get_pixel_type< typename Image::view_t >::type, typename Reader::format_tag_t > >::value >::type * </td>
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<td class="paramname"> = <code>nullptr</code> </td>
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<td>)</td>
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<p>Reads an image without conversion. Image memory is allocated. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">reader</td><td>An image reader. </td></tr>
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<tr><td class="paramname">img</td><td>The image in which the data is read into. Must satisfy <a class="el" href="structboost_1_1gil_1_1is__read__supported.html">is_read_supported</a> metafunction. </td></tr>
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<dl class="exception"><dt>Exceptions</dt><dd>
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<table class="exception">
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<tr><td class="paramname">std::ios_base::failure</td><td></td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#ga0aabfc20bb861dae2f4c5bb1a89dd186">◆ </a></span>read_image_info()</h2>
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<td class="memname">auto boost::gil::read_image_info </td>
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<td class="paramtype">Device & </td>
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<td class="paramname"><em>file</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">image_read_settings< FormatTag > const & </td>
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<td class="paramname"><em>settings</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">typename std::enable_if< mpl::and_< detail::is_adaptable_input_device< FormatTag, Device >, is_format_tag< FormatTag > >::value >::type * </td>
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<td class="paramname"> = <code>nullptr</code> </td>
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<td>)</td>
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<td></td><td> -> typename <a class="el" href="structboost_1_1gil_1_1get__reader__backend.html">get_reader_backend</a><Device, FormatTag>::type
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<p>Returns the image format backend. Backend is format specific. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">file</td><td>It's a device. Must satisfy is_adaptable_input_device metafunction. </td></tr>
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<tr><td class="paramname">settings</td><td>Specifies read settings depending on the image format. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>image_read_info object dependent on the image format. </dd></dl>
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<dl class="exception"><dt>Exceptions</dt><dd>
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<tr><td class="paramname">std::ios_base::failure</td><td></td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#gac7906e41288b6617e5b6b55123f0ca73">◆ </a></span>read_view()</h2>
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<td class="memname">void boost::gil::read_view </td>
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<td>(</td>
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<td class="paramtype">Reader </td>
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<td class="paramname"><em>reader</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">View const & </td>
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<td class="paramname"><em>view</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">typename std::enable_if< mpl::and_< detail::is_reader< Reader >, typename is_format_tag< typename Reader::format_tag_t >::type, typename <a class="el" href="structboost_1_1gil_1_1is__read__supported.html">is_read_supported</a>< typename get_pixel_type< View >::type, typename Reader::format_tag_t >::type >::value >::type * </td>
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<td class="paramname"> = <code>nullptr</code> </td>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Reads an image view without conversion. No memory is allocated. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">reader</td><td>An image reader. </td></tr>
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<tr><td class="paramname">view</td><td>The image view in which the data is read into. </td></tr>
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<tr><td class="paramname">settings</td><td>Specifies read settings depending on the image format. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="exception"><dt>Exceptions</dt><dd>
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<table class="exception">
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<tr><td class="paramname">std::ios_base::failure</td><td></td></tr>
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</table>
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</dd>
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</dl>
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