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<!-- Copyright 2008 Lubomir Bourdev and Hailin Jin
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<h1>apply_operation_base.hpp File Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>
Given an object with run-time specified type (denoted as an array of Bits, dynamic index, and a static set of Types) and a generic operation, casts the object to its appropriate type and applies the operation.
<p>
<dl class="author" compact><dt><b>Author:</b></dt><dd>Lubomir Bourdev and Hailin Jin <br>
Adobe Systems Incorporated </dd></dl>
<dl class="date" compact><dt><b>Date:</b></dt><dd>2005-2007 <br>
Last updated on November 6, 2007 </dd></dl>
<p>
<code>#include "<a class="el" href="g_i_l_0093.html">../../gil_config.hpp</a>"</code><br>
<code>#include "<a class="el" href="g_i_l_0642.html">../../utilities.hpp</a>"</code><br>
<code>#include <boost/mpl/begin.hpp></code><br>
<code>#include <boost/mpl/next.hpp></code><br>
<code>#include <boost/mpl/deref.hpp></code><br>
<code>#include <boost/mpl/size.hpp></code><br>
<code>#include <boost/preprocessor/repeat.hpp></code><br>
<p>
<a href="g_i_l_0007.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Namespaces</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">namespace </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceboost.html">boost</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">namespace </td><td class="memItemRight" valign="bottom"><b>boost::gil</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">namespace </td><td class="memItemRight" valign="bottom"><b>boost::gil::detail</b></td></tr>
<tr><td colspan="2"><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d79b83cac67b5b966b9d5b66aa122460"></a><!-- doxytag: member="apply_operation_base.hpp::GIL_FWD_TYPEDEFS" ref="d79b83cac67b5b966b9d5b66aa122460" args="(z, N, text)" -->
#define </td><td class="memItemRight" valign="bottom"><b>GIL_FWD_TYPEDEFS</b>(z, N, text) T##N; typedef typename mpl::next<T##N>::type</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2b5c77543f4d9130526fed67ac7464ee"></a><!-- doxytag: member="apply_operation_base.hpp::GIL_FWD_CASE" ref="2b5c77543f4d9130526fed67ac7464ee" args="(z, N, SUM)" -->
#define </td><td class="memItemRight" valign="bottom"><b>GIL_FWD_CASE</b>(z, N, SUM) case N: return op(*gil_reinterpret_cast<typename mpl::deref<T##N>::type*>(&bits));</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9aeac994894106449bcde0806b254df9"></a><!-- doxytag: member="apply_operation_base.hpp::GIL_FWD_CONST_CASE" ref="9aeac994894106449bcde0806b254df9" args="(z, N, SUM)" -->
#define </td><td class="memItemRight" valign="bottom"><b>GIL_FWD_CONST_CASE</b>(z, N, SUM) case N: return op(*gil_reinterpret_cast_c<const typename mpl::deref<T##N>::type*>(&bits));</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><b>GIL_APPLY_FWD_OP</b>(z, N, text)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8dee41b11d92b34295f54281a098ae90"></a><!-- doxytag: member="apply_operation_base.hpp::GIL_GENERATE_APPLY_FWD_OPS" ref="8dee41b11d92b34295f54281a098ae90" args="(N)" -->
#define </td><td class="memItemRight" valign="bottom"><b>GIL_GENERATE_APPLY_FWD_OPS</b>(N) BOOST_PP_REPEAT(N, GIL_APPLY_FWD_OP, BOOST_PP_EMPTY)</td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="e7eaa4c36cc9636e1b2f97184c35636a"></a><!-- doxytag: member="apply_operation_base.hpp::apply_operation_basec" ref="e7eaa4c36cc9636e1b2f97184c35636a" args="(const Bits &bits, std::size_t index, Op op)" -->
template<typename Types, typename Bits, typename Op> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">Op::result_type GIL_FORCEINLINE </td><td class="memTemplItemRight" valign="bottom"><b>apply_operation_basec</b> (const Bits &bits, std::size_t index, Op op)</td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="d771ee58462b8590bccbd0950c9b58d4"></a><!-- doxytag: member="apply_operation_base.hpp::apply_operation_base" ref="d771ee58462b8590bccbd0950c9b58d4" args="(Bits &bits, std::size_t index, Op op)" -->
template<typename Types, typename Bits, typename Op> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">Op::result_type GIL_FORCEINLINE </td><td class="memTemplItemRight" valign="bottom"><b>apply_operation_base</b> (Bits &bits, std::size_t index, Op op)</td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="40a9fc96031783e58fa0e39a08d2c5a4"></a><!-- doxytag: member="apply_operation_base.hpp::apply_operation_base" ref="40a9fc96031783e58fa0e39a08d2c5a4" args="(const Bits1 &bits1, std::size_t index1, const Bits2 &bits2, std::size_t index2, Op op)" -->
template<typename Types1, typename Types2, typename Bits1, typename Bits2, typename Op> </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">static Op::result_type <br>
GIL_FORCEINLINE </td><td class="memTemplItemRight" valign="bottom"><b>apply_operation_base</b> (const Bits1 &bits1, std::size_t index1, const Bits2 &bits2, std::size_t index2, Op op)</td></tr>
</table>
<hr><h2>Define Documentation</h2>
<a class="anchor" name="97e41768b29fa4d0c910608e9243ec8f"></a><!-- doxytag: member="apply_operation_base.hpp::GIL_APPLY_FWD_OP" ref="97e41768b29fa4d0c910608e9243ec8f" args="(z, N, text)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define GIL_APPLY_FWD_OP </td>
<td>(</td>
<td class="paramtype">z, <tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">N, <tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">text </td>
<td class="paramname"> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
<b>Value:</b><div class="fragment"><pre class="fragment"><span class="keyword">template</span> <> <span class="keyword">struct </span>apply_operation_fwd_fn<BOOST_PP_ADD(N,1)> { \
<span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> Bits, <span class="keyword">typename</span> UnaryOp> \
<span class="keyword">typename</span> UnaryOp::result_type apply(Bits& bits, std::size_t index, UnaryOp op)<span class="keyword"> const </span>{ \
<span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::begin<Types>::type \
BOOST_PP_REPEAT(N, GIL_FWD_TYPEDEFS, BOOST_PP_EMPTY) \
T##N; \
<span class="keywordflow">switch</span> (index) { \
BOOST_PP_REPEAT(BOOST_PP_ADD(N,1), GIL_FWD_CASE, BOOST_PP_EMPTY) \
} \
<span class="keywordflow">throw</span>; \
} \
<span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> Bits, <span class="keyword">typename</span> UnaryOp> \
<span class="keyword">typename</span> UnaryOp::result_type applyc(<span class="keyword">const</span> Bits& bits, std::size_t index, UnaryOp op)<span class="keyword"> const </span>{ \
<span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::begin<Types>::type \
BOOST_PP_REPEAT(N, GIL_FWD_TYPEDEFS, BOOST_PP_EMPTY) \
T##N; \
<span class="keywordflow">switch</span> (index) { \
BOOST_PP_REPEAT(BOOST_PP_ADD(N,1), GIL_FWD_CONST_CASE,BOOST_PP_EMPTY) \
} \
<span class="keywordflow">throw</span>; \
} \
};
</pre></div>
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