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1<!-- Copyright 2008 Lubomir Bourdev and Hailin Jin 2 3 Distributed under the Boost Software License, Version 1.0. 4 (See accompanying file LICENSE_1_0.txt or copy at 5 http://www.boost.org/LICENSE_1_0.txt) 6 --> 7 8<!-- 9 Copyright 2005-2007 Adobe Systems Incorporated 10 Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt 11 or a copy at http://stlab.adobe.com/licenses.html) 12 13 Some files are held under additional license. 14 Please see "http://stlab.adobe.com/licenses.html" for more information. 15--> 16 17<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 18 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 19<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> 20 21<head> 22 <TITLE>Generic Image Library: apply_operation_base.hpp Source File</TITLE> 23 <META HTTP-EQUIV="content-type" CONTENT="text/html;charset=ISO-8859-1"/> 24 <LINK TYPE="text/css" REL="stylesheet" HREF="adobe_source.css"/> 25</head> 26<body> 27<table border="0" cellspacing="0" cellpadding="0" style='width: 100%; margin: 0; padding: 0'><tr> 28<td width="100%" valign="top" style='padding-left: 10px; padding-right: 10px; padding-bottom: 10px'> 29<div class="qindex"><a class="qindex" href="index.html">Modules</a> 30 | <a class="qindex" href="classes.html">Alphabetical List</a> 31 | <a class="qindex" href="annotated.html">Class List</a> 32 | <a class="qindex" href="dirs.html">Directories</a> 33 | <a class="qindex" href="files.html">File List</a> 34 | <a class="qindex" href="../index.html">GIL Home Page</a> 35</div> 36<!-- End Header --> 37<!-- Generated by Doxygen 1.5.6 --> 38 <div class="navpath"><a class="el" href="g_i_l_0076.html">boost</a> » <a class="el" href="g_i_l_0079.html">gil</a> » <a class="el" href="g_i_l_0078.html">extension</a> » <a class="el" href="g_i_l_0075.html">dynamic_image</a> 39 </div> 40<div class="contents"> 41<h1>apply_operation_base.hpp</h1><a href="g_i_l_0008.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> 42<a name="l00002"></a>00002 <span class="comment"> Copyright 2005-2007 Adobe Systems Incorporated</span> 43<a name="l00003"></a>00003 <span class="comment"> </span> 44<a name="l00004"></a>00004 <span class="comment"> Use, modification and distribution are subject to the Boost Software License,</span> 45<a name="l00005"></a>00005 <span class="comment"> Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span> 46<a name="l00006"></a>00006 <span class="comment"> http://www.boost.org/LICENSE_1_0.txt).</span> 47<a name="l00007"></a>00007 <span class="comment"></span> 48<a name="l00008"></a>00008 <span class="comment"> See http://opensource.adobe.com/gil for most recent version including documentation.</span> 49<a name="l00009"></a>00009 <span class="comment">*/</span> 50<a name="l00010"></a>00010 51<a name="l00011"></a>00011 <span class="comment">/*************************************************************************************************/</span> 52<a name="l00012"></a>00012 53<a name="l00013"></a>00013 <span class="preprocessor">#ifndef GIL_APPLY_OPERATION_BASE_HPP</span> 54<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define GIL_APPLY_OPERATION_BASE_HPP</span> 55<a name="l00015"></a>00015 <span class="preprocessor"></span> 56<a name="l00016"></a>00016 <span class="preprocessor">#include "../../gil_config.hpp"</span> 57<a name="l00017"></a>00017 <span class="preprocessor">#include "../../utilities.hpp"</span> 58<a name="l00018"></a>00018 <span class="preprocessor">#include <boost/mpl/begin.hpp></span> 59<a name="l00019"></a>00019 <span class="preprocessor">#include <boost/mpl/next.hpp></span> 60<a name="l00020"></a>00020 <span class="preprocessor">#include <boost/mpl/deref.hpp></span> 61<a name="l00021"></a>00021 <span class="preprocessor">#include <boost/mpl/size.hpp></span> 62<a name="l00022"></a>00022 <span class="preprocessor">#include <boost/preprocessor/repeat.hpp></span> 63<a name="l00023"></a>00023 64<a name="l00033"></a>00033 65<a name="l00034"></a>00034 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil { 66<a name="l00035"></a>00035 67<a name="l00036"></a>00036 <span class="comment">/*</span> 68<a name="l00037"></a>00037 <span class="comment">GENERATE_APPLY_FWD_OPS generates for every N functions that look like this (for N==2):</span> 69<a name="l00038"></a>00038 <span class="comment"></span> 70<a name="l00039"></a>00039 <span class="comment"> template <> struct apply_operation_fwd_fn<3> {</span> 71<a name="l00040"></a>00040 <span class="comment"> template <typename Types, typename Bits, typename UnaryOp></span> 72<a name="l00041"></a>00041 <span class="comment"> typename UnaryOp::result_type apply(Bits& bits, std::size_t index, UnaryOp op) const {</span> 73<a name="l00042"></a>00042 <span class="comment"> typedef typename mpl::begin<Types>::type T0;</span> 74<a name="l00043"></a>00043 <span class="comment"> typedef typename mpl::next<T0>::type T1;</span> 75<a name="l00044"></a>00044 <span class="comment"> typedef typename mpl::next<T1>::type T2;</span> 76<a name="l00045"></a>00045 <span class="comment"> switch (index) {</span> 77<a name="l00046"></a>00046 <span class="comment"> case 0: return op(reinterpret_cast<typename mpl::deref<T0>::type&>(bits));</span> 78<a name="l00047"></a>00047 <span class="comment"> case 1: return op(reinterpret_cast<typename mpl::deref<T1>::type&>(bits));</span> 79<a name="l00048"></a>00048 <span class="comment"> case 2: return op(reinterpret_cast<typename mpl::deref<T2>::type&>(bits));</span> 80<a name="l00049"></a>00049 <span class="comment"> }</span> 81<a name="l00050"></a>00050 <span class="comment"> throw;</span> 82<a name="l00051"></a>00051 <span class="comment"> }</span> 83<a name="l00052"></a>00052 <span class="comment"></span> 84<a name="l00053"></a>00053 <span class="comment"> template <typename Types, typename Bits, typename UnaryOp></span> 85<a name="l00054"></a>00054 <span class="comment"> typename UnaryOp::result_type applyc(const Bits& bits, std::size_t index, UnaryOp op) const {</span> 86<a name="l00055"></a>00055 <span class="comment"> typedef typename mpl::begin<Types>::type T0;</span> 87<a name="l00056"></a>00056 <span class="comment"> typedef typename mpl::next<T0>::type T1;</span> 88<a name="l00057"></a>00057 <span class="comment"> typedef typename mpl::next<T1>::type T2;</span> 89<a name="l00058"></a>00058 <span class="comment"> switch (index) {</span> 90<a name="l00059"></a>00059 <span class="comment"> case 0: return op(reinterpret_cast<const typename mpl::deref<T0>::type&>(bits));</span> 91<a name="l00060"></a>00060 <span class="comment"> case 1: return op(reinterpret_cast<const typename mpl::deref<T1>::type&>(bits));</span> 92<a name="l00061"></a>00061 <span class="comment"> case 2: return op(reinterpret_cast<const typename mpl::deref<T2>::type&>(bits));</span> 93<a name="l00062"></a>00062 <span class="comment"> }</span> 94<a name="l00063"></a>00063 <span class="comment"> throw;</span> 95<a name="l00064"></a>00064 <span class="comment"> }</span> 96<a name="l00065"></a>00065 <span class="comment"> };</span> 97<a name="l00066"></a>00066 <span class="comment">*/</span> 98<a name="l00067"></a>00067 99<a name="l00068"></a>00068 <span class="preprocessor">#define GIL_FWD_TYPEDEFS(z, N, text) T##N; typedef typename mpl::next<T##N>::type </span> 100<a name="l00069"></a>00069 <span class="preprocessor"></span><span class="preprocessor">#define GIL_FWD_CASE(z, N, SUM) case N: return op(*gil_reinterpret_cast<typename mpl::deref<T##N>::type*>(&bits));</span> 101<a name="l00070"></a>00070 <span class="preprocessor"></span><span class="preprocessor">#define GIL_FWD_CONST_CASE(z, N, SUM) case N: return op(*gil_reinterpret_cast_c<const typename mpl::deref<T##N>::type*>(&bits));</span> 102<a name="l00071"></a>00071 <span class="preprocessor"></span> 103<a name="l00072"></a>00072 <span class="preprocessor">#define GIL_APPLY_FWD_OP(z, N, text) \</span> 104<a name="l00073"></a>00073 <span class="preprocessor"> template <> struct apply_operation_fwd_fn<BOOST_PP_ADD(N,1)> { \</span> 105<a name="l00074"></a>00074 <span class="preprocessor"> template <typename Types, typename Bits, typename UnaryOp> \</span> 106<a name="l00075"></a>00075 <span class="preprocessor"> typename UnaryOp::result_type apply(Bits& bits, std::size_t index, UnaryOp op) const { \</span> 107<a name="l00076"></a>00076 <span class="preprocessor"> typedef typename mpl::begin<Types>::type \</span> 108<a name="l00077"></a>00077 <span class="preprocessor"> BOOST_PP_REPEAT(N, GIL_FWD_TYPEDEFS, BOOST_PP_EMPTY) \</span> 109<a name="l00078"></a>00078 <span class="preprocessor"> T##N; \</span> 110<a name="l00079"></a>00079 <span class="preprocessor"> switch (index) { \</span> 111<a name="l00080"></a>00080 <span class="preprocessor"> BOOST_PP_REPEAT(BOOST_PP_ADD(N,1), GIL_FWD_CASE, BOOST_PP_EMPTY) \</span> 112<a name="l00081"></a>00081 <span class="preprocessor"> } \</span> 113<a name="l00082"></a>00082 <span class="preprocessor"> throw; \</span> 114<a name="l00083"></a>00083 <span class="preprocessor"> } \</span> 115<a name="l00084"></a>00084 <span class="preprocessor"> template <typename Types, typename Bits, typename UnaryOp> \</span> 116<a name="l00085"></a>00085 <span class="preprocessor"> typename UnaryOp::result_type applyc(const Bits& bits, std::size_t index, UnaryOp op) const { \</span> 117<a name="l00086"></a>00086 <span class="preprocessor"> typedef typename mpl::begin<Types>::type \</span> 118<a name="l00087"></a>00087 <span class="preprocessor"> BOOST_PP_REPEAT(N, GIL_FWD_TYPEDEFS, BOOST_PP_EMPTY) \</span> 119<a name="l00088"></a>00088 <span class="preprocessor"> T##N; \</span> 120<a name="l00089"></a>00089 <span class="preprocessor"> switch (index) { \</span> 121<a name="l00090"></a>00090 <span class="preprocessor"> BOOST_PP_REPEAT(BOOST_PP_ADD(N,1), GIL_FWD_CONST_CASE,BOOST_PP_EMPTY) \</span> 122<a name="l00091"></a>00091 <span class="preprocessor"> } \</span> 123<a name="l00092"></a>00092 <span class="preprocessor"> throw; \</span> 124<a name="l00093"></a>00093 <span class="preprocessor"> } \</span> 125<a name="l00094"></a>00094 <span class="preprocessor"> };</span> 126<a name="l00095"></a>00095 <span class="preprocessor"></span> 127<a name="l00096"></a>00096 <span class="preprocessor">#define GIL_GENERATE_APPLY_FWD_OPS(N) BOOST_PP_REPEAT(N, GIL_APPLY_FWD_OP, BOOST_PP_EMPTY)</span> 128<a name="l00097"></a>00097 <span class="preprocessor"></span> 129<a name="l00098"></a>00098 <span class="keyword">namespace </span>detail { 130<a name="l00099"></a>00099 <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> N> <span class="keyword">struct </span>apply_operation_fwd_fn {}; 131<a name="l00100"></a>00100 132<a name="l00101"></a>00101 <span class="comment">// Create specializations of apply_operation_fn for each N 0..100</span> 133<a name="l00102"></a>00102 GIL_GENERATE_APPLY_FWD_OPS(99) 134<a name="l00103"></a>00103 } <span class="comment">// namespace detail</span> 135<a name="l00104"></a>00104 136<a name="l00105"></a>00105 <span class="comment">// unary application</span> 137<a name="l00106"></a>00106 <span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> Bits, <span class="keyword">typename</span> Op> 138<a name="l00107"></a>00107 <span class="keyword">typename</span> Op::result_type GIL_FORCEINLINE apply_operation_basec(<span class="keyword">const</span> Bits& bits, std::size_t index, Op op) { 139<a name="l00108"></a>00108 <span class="keywordflow">return</span> detail::apply_operation_fwd_fn<mpl::size<Types>::value>().<span class="keyword">template</span> applyc<Types>(bits,index,op); 140<a name="l00109"></a>00109 } 141<a name="l00110"></a>00110 142<a name="l00111"></a>00111 <span class="comment">// unary application</span> 143<a name="l00112"></a>00112 <span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> Bits, <span class="keyword">typename</span> Op> 144<a name="l00113"></a>00113 <span class="keyword">typename</span> Op::result_type GIL_FORCEINLINE apply_operation_base( Bits& bits, std::size_t index, Op op) { 145<a name="l00114"></a>00114 <span class="keywordflow">return</span> detail::apply_operation_fwd_fn<mpl::size<Types>::value>().<span class="keyword">template</span> apply<Types>(bits,index,op); 146<a name="l00115"></a>00115 } 147<a name="l00116"></a>00116 148<a name="l00117"></a>00117 <span class="keyword">namespace </span>detail { 149<a name="l00118"></a>00118 <span class="keyword">template</span> <<span class="keyword">typename</span> T2, <span class="keyword">typename</span> Op> 150<a name="l00119"></a>00119 <span class="keyword">struct </span>reduce_bind1 { 151<a name="l00120"></a>00120 <span class="keyword">const</span> T2& _t2; 152<a name="l00121"></a>00121 <span class="keyword">mutable</span> Op& _op; 153<a name="l00122"></a>00122 154<a name="l00123"></a>00123 <span class="keyword">typedef</span> <span class="keyword">typename</span> Op::result_type result_type; 155<a name="l00124"></a>00124 156<a name="l00125"></a>00125 reduce_bind1(<span class="keyword">const</span> T2& t2, Op& op) : _t2(t2), _op(op) {} 157<a name="l00126"></a>00126 158<a name="l00127"></a>00127 <span class="keyword">template</span> <<span class="keyword">typename</span> T1> GIL_FORCEINLINE result_type operator()(<span class="keyword">const</span> T1& t1) { <span class="keywordflow">return</span> _op(t1, _t2); } 159<a name="l00128"></a>00128 }; 160<a name="l00129"></a>00129 161<a name="l00130"></a>00130 <span class="keyword">template</span> <<span class="keyword">typename</span> Types1, <span class="keyword">typename</span> Bits1, <span class="keyword">typename</span> Op> 162<a name="l00131"></a>00131 <span class="keyword">struct </span>reduce_bind2 { 163<a name="l00132"></a>00132 <span class="keyword">const</span> Bits1& _bits1; 164<a name="l00133"></a>00133 std::size_t _index1; 165<a name="l00134"></a>00134 <span class="keyword">mutable</span> Op& _op; 166<a name="l00135"></a>00135 167<a name="l00136"></a>00136 <span class="keyword">typedef</span> <span class="keyword">typename</span> Op::result_type result_type; 168<a name="l00137"></a>00137 169<a name="l00138"></a>00138 reduce_bind2(<span class="keyword">const</span> Bits1& bits1, std::size_t index1, Op& op) : _bits1(bits1), _index1(index1), _op(op) {} 170<a name="l00139"></a>00139 171<a name="l00140"></a>00140 <span class="keyword">template</span> <<span class="keyword">typename</span> T2> GIL_FORCEINLINE result_type operator()(<span class="keyword">const</span> T2& t2) { 172<a name="l00141"></a>00141 <span class="keywordflow">return</span> apply_operation_basec<Types1>(_bits1, _index1, reduce_bind1<T2,Op>(t2, _op)); 173<a name="l00142"></a>00142 } 174<a name="l00143"></a>00143 }; 175<a name="l00144"></a>00144 } <span class="comment">// namespace detail</span> 176<a name="l00145"></a>00145 177<a name="l00146"></a>00146 <span class="comment">// Binary application by applying on each dimension separately</span> 178<a name="l00147"></a>00147 <span class="keyword">template</span> <<span class="keyword">typename</span> Types1, <span class="keyword">typename</span> Types2, <span class="keyword">typename</span> Bits1, <span class="keyword">typename</span> Bits2, <span class="keyword">typename</span> Op> 179<a name="l00148"></a>00148 <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type GIL_FORCEINLINE apply_operation_base(<span class="keyword">const</span> Bits1& bits1, std::size_t index1, <span class="keyword">const</span> Bits2& bits2, std::size_t index2, Op op) { 180<a name="l00149"></a>00149 <span class="keywordflow">return</span> apply_operation_basec<Types2>(bits2,index2,detail::reduce_bind2<Types1,Bits1,Op>(bits1,index1,op)); 181<a name="l00150"></a>00150 } 182<a name="l00151"></a>00151 183<a name="l00152"></a>00152 <span class="preprocessor">#undef GIL_FWD_TYPEDEFS</span> 184<a name="l00153"></a>00153 <span class="preprocessor"></span><span class="preprocessor">#undef GIL_FWD_CASE</span> 185<a name="l00154"></a>00154 <span class="preprocessor"></span><span class="preprocessor">#undef GIL_FWD_CONST_CASE</span> 186<a name="l00155"></a>00155 <span class="preprocessor"></span><span class="preprocessor">#undef GIL_APPLY_FWD_OP</span> 187<a name="l00156"></a>00156 <span class="preprocessor"></span><span class="preprocessor">#undef GIL_GENERATE_APPLY_FWD_OPS</span> 188<a name="l00157"></a>00157 <span class="preprocessor"></span><span class="preprocessor">#undef BHS</span> 189<a name="l00158"></a>00158 <span class="preprocessor"></span> 190<a name="l00159"></a>00159 } } <span class="comment">// namespace boost::gil</span> 191<a name="l00160"></a>00160 192<a name="l00161"></a>00161 193<a name="l00162"></a>00162 <span class="preprocessor">#endif</span> 194</pre></div></div> 195<hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:13 2009 for Generic Image Library by 196<a href="http://www.doxygen.org/index.html"> 197<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> 198</body> 199</html>