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| <TITLE>Generic Image Library: kth_channel_deref_fn Struct Template Reference</TITLE> |
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| <div class="contents"> |
| <h1>kth_channel_deref_fn Struct Template Reference<br> |
| <small> |
| [<a class="el" href="g_i_l_0186.html">Models</a>]</small> |
| </h1><!-- doxytag: class="boost::gil::detail::kth_channel_deref_fn" --><code>#include <<a class="el" href="g_i_l_0226.html">image_view_factory.hpp</a>></code> |
| <p> |
| |
| <p> |
| <a href="g_i_l_0512.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2> |
| <h3>template<int K, typename SrcP><br> |
| struct boost::gil::detail::kth_channel_deref_fn< K, SrcP ></h3> |
| |
| Function object that returns a grayscale reference of the K-th channel (specified as a template parameter) of a given reference. Models: <a class="el" href="g_i_l_0350.html" title="Represents a unary function object that can be invoked upon dereferencing a pixel...">PixelDereferenceAdaptorConcept</a>.<p> |
| If the input is a <a class="el" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel</a> value or constant reference, the function object is immutable. Otherwise it is mutable (and returns non-const reference to the k-th channel). <table border="0" cellpadding="0" cellspacing="0"> |
| <tr><td></td></tr> |
| <tr><td colspan="2"><br><h2>Public Types</h2></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b48180e485b10dfc2a2658b27b23d88e"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::const_t" ref="b48180e485b10dfc2a2658b27b23d88e" args="" --> |
| typedef <a class="el" href="g_i_l_0513.html">kth_channel_deref_fn</a><br> |
| < K, const_ref_t > </td><td class="memItemRight" valign="bottom"><b>const_t</b></td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c79ed995e6b4b1d8f459f0b37807e5cb"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::value_type" ref="c79ed995e6b4b1d8f459f0b37807e5cb" args="" --> |
| typedef <a class="el" href="g_i_l_0606.html">pixel_value_type</a><br> |
| < channel_t, <a class="el" href="g_i_l_0567.html">gray_layout_t</a> ><br> |
| ::type </td><td class="memItemRight" valign="bottom"><b>value_type</b></td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="01ea77e6b19ce255f74eaa354e8cc6c1"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::const_reference" ref="01ea77e6b19ce255f74eaa354e8cc6c1" args="" --> |
| typedef <a class="el" href="g_i_l_0604.html">pixel_reference_type</a><br> |
| < channel_t, <a class="el" href="g_i_l_0567.html">gray_layout_t</a>, <br> |
| false, false >::type </td><td class="memItemRight" valign="bottom"><b>const_reference</b></td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2ad6c059d39c24be9cddd1905995d23c"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::argument_type" ref="2ad6c059d39c24be9cddd1905995d23c" args="" --> |
| typedef SrcP </td><td class="memItemRight" valign="bottom"><b>argument_type</b></td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="63a5fc94722c4fbdb03ed0ec51cd89c8"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::reference" ref="63a5fc94722c4fbdb03ed0ec51cd89c8" args="" --> |
| typedef mpl::if_c< is_mutable, <br> |
| ref_t, <a class="el" href="g_i_l_0599.html">value_type</a> >::type </td><td class="memItemRight" valign="bottom"><b>reference</b></td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fe53618876958e2e15351c19804738f2"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::result_type" ref="fe53618876958e2e15351c19804738f2" args="" --> |
| typedef reference </td><td class="memItemRight" valign="bottom"><b>result_type</b></td></tr> |
| |
| <tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f775f083d7bf091fec5c1a27680dc5c8"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::BOOST_STATIC_CONSTANT" ref="f775f083d7bf091fec5c1a27680dc5c8" args="(bool, is_mutable=pixel_is_reference< SrcP >::value &&pixel_reference_is_mutable< SrcP >::value)" --> |
| </td><td class="memItemRight" valign="bottom"><b>BOOST_STATIC_CONSTANT</b> (bool, is_mutable=<a class="el" href="g_i_l_0600.html">pixel_is_reference</a>< SrcP >::value &&<a class="el" href="g_i_l_0602.html">pixel_reference_is_mutable</a>< SrcP >::value)</td></tr> |
| |
| <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="70c01c341b8849fdb1cc1680e8e0cd36"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::kth_channel_deref_fn" ref="70c01c341b8849fdb1cc1680e8e0cd36" args="(const kth_channel_deref_fn< K, P > &)" --> |
| template<typename P> </td></tr> |
| <tr><td class="memTemplItemLeft" nowrap align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>kth_channel_deref_fn</b> (const <a class="el" href="g_i_l_0513.html">kth_channel_deref_fn</a>< K, P > &)</td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3fbe164ea1c95ff0e87ef3deb8fea603"></a><!-- doxytag: member="boost::gil::detail::kth_channel_deref_fn::operator()" ref="3fbe164ea1c95ff0e87ef3deb8fea603" args="(argument_type srcP) const " --> |
| result_type </td><td class="memItemRight" valign="bottom"><b>operator()</b> (argument_type srcP) const </td></tr> |
| |
| </table> |
| <hr>The documentation for this struct was generated from the following file:<ul> |
| <li><a class="el" href="g_i_l_0226.html">image_view_factory.hpp</a></ul> |
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