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41 | <h1>reduce.hpp</h1><a href="reduce_8hpp.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 <span class="comment">/*************************************************************************************************/</span> | |
51 | <a name="l00011"></a>00011 | |
52 | <a name="l00012"></a>00012 <span class="preprocessor">#ifndef GIL_REDUCE_HPP</span> | |
53 | <a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define GIL_REDUCE_HPP</span> | |
54 | <a name="l00014"></a>00014 <span class="preprocessor"></span> | |
55 | <a name="l00015"></a>00015 <span class="preprocessor">#include <boost/mpl/insert_range.hpp></span> | |
56 | <a name="l00016"></a>00016 <span class="preprocessor">#include <boost/mpl/range_c.hpp></span> | |
57 | <a name="l00017"></a>00017 <span class="preprocessor">#include <boost/mpl/vector_c.hpp></span> | |
58 | <a name="l00018"></a>00018 <span class="preprocessor">#include <boost/mpl/back.hpp></span> | |
59 | <a name="l00019"></a>00019 <span class="preprocessor">#include <boost/mpl/vector.hpp></span> | |
60 | <a name="l00020"></a>00020 <span class="preprocessor">#include <boost/mpl/long.hpp></span> | |
61 | <a name="l00021"></a>00021 <span class="preprocessor">#include <boost/mpl/logical.hpp></span> | |
62 | <a name="l00022"></a>00022 <span class="preprocessor">#include <boost/mpl/transform.hpp></span> | |
63 | <a name="l00023"></a>00023 <span class="preprocessor">#include <boost/mpl/insert.hpp></span> | |
64 | <a name="l00024"></a>00024 <span class="preprocessor">#include <boost/mpl/transform.hpp></span> | |
65 | <a name="l00025"></a>00025 | |
66 | <a name="l00026"></a>00026 <span class="preprocessor">#include "../../metafunctions.hpp"</span> | |
67 | <a name="l00027"></a>00027 <span class="preprocessor">#include "../../typedefs.hpp"</span> | |
68 | <a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="g_i_l_0081.html" title="Constructs for static-to-dynamic integer convesion.">dynamic_at_c.hpp</a>"</span> | |
69 | <a name="l00029"></a>00029 | |
70 | <a name="l00038"></a>00038 | |
71 | <a name="l00039"></a>00039 | |
72 | <a name="l00040"></a>00040 <span class="preprocessor">#ifdef GIL_REDUCE_CODE_BLOAT</span> | |
73 | <a name="l00041"></a>00041 <span class="preprocessor"></span> | |
74 | <a name="l00042"></a>00042 | |
75 | <a name="l00043"></a>00043 <span class="comment">// Max number of cases in the cross-expension of binary operation for it to be reduced as unary</span> | |
76 | <a name="l00044"></a>00044 <span class="preprocessor">#define GIL_BINARY_REDUCE_LIMIT 226</span> | |
77 | <a name="l00045"></a>00045 <span class="preprocessor"></span> | |
78 | <a name="l00046"></a>00046 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>mpl { | |
79 | <a name="l00047"></a>00047 | |
80 | <a name="l00056"></a>00056 | |
81 | <a name="l00057"></a>00057 <span class="keyword">template</span> <<span class="keyword">typename</span> SrcTypes, <span class="keyword">typename</span> DstTypes> | |
82 | <a name="l00058"></a>00058 <span class="keyword">struct </span>mapping_vector {}; | |
83 | <a name="l00059"></a>00059 | |
84 | <a name="l00060"></a>00060 <span class="keyword">template</span> <<span class="keyword">typename</span> SrcTypes, <span class="keyword">typename</span> DstTypes, <span class="keywordtype">long</span> K> | |
85 | <a name="l00061"></a>00061 <span class="keyword">struct </span>at_c<mapping_vector<SrcTypes,DstTypes>, K> { | |
86 | <a name="l00062"></a>00062 <span class="keyword">static</span> <span class="keyword">const</span> std::size_t value=size<DstTypes>::value - order<DstTypes, typename at_c<SrcTypes,K>::type>::type::value +1; | |
87 | <a name="l00063"></a>00063 <span class="keyword">typedef</span> size_t<value> type; | |
88 | <a name="l00064"></a>00064 }; | |
89 | <a name="l00065"></a>00065 | |
90 | <a name="l00066"></a>00066 <span class="keyword">template</span> <<span class="keyword">typename</span> SrcTypes, <span class="keyword">typename</span> DstTypes> | |
91 | <a name="l00067"></a>00067 <span class="keyword">struct </span>size<mapping_vector<SrcTypes,DstTypes> > { | |
92 | <a name="l00068"></a>00068 <span class="keyword">typedef</span> <span class="keyword">typename</span> size<SrcTypes>::type type; | |
93 | <a name="l00069"></a>00069 <span class="keyword">static</span> <span class="keyword">const</span> std::size_t value=type::value; | |
94 | <a name="l00070"></a>00070 }; | |
95 | <a name="l00071"></a>00071 | |
96 | <a name="l00080"></a>00080 | |
97 | <a name="l00081"></a>00081 <span class="keyword">namespace </span>detail { | |
98 | <a name="l00082"></a>00082 <span class="keyword">template</span> <<span class="keyword">typename</span> SFirst, std::<span class="keywordtype">size_t</span> NLeft> | |
99 | <a name="l00083"></a>00083 <span class="keyword">struct </span>copy_to_vector_impl { | |
100 | <a name="l00084"></a>00084 <span class="keyword">private</span>: | |
101 | <a name="l00085"></a>00085 <span class="keyword">typedef</span> <span class="keyword">typename</span> deref<SFirst>::type T; | |
102 | <a name="l00086"></a>00086 <span class="keyword">typedef</span> <span class="keyword">typename</span> next<SFirst>::type next; | |
103 | <a name="l00087"></a>00087 <span class="keyword">typedef</span> <span class="keyword">typename</span> copy_to_vector_impl<next, NLeft-1>::type rest; | |
104 | <a name="l00088"></a>00088 <span class="keyword">public</span>: | |
105 | <a name="l00089"></a>00089 <span class="keyword">typedef</span> <span class="keyword">typename</span> push_front<rest, T>::type type; | |
106 | <a name="l00090"></a>00090 }; | |
107 | <a name="l00091"></a>00091 | |
108 | <a name="l00092"></a>00092 <span class="keyword">template</span> <<span class="keyword">typename</span> SFirst> | |
109 | <a name="l00093"></a>00093 <span class="keyword">struct </span>copy_to_vector_impl<SFirst,1> { | |
110 | <a name="l00094"></a>00094 <span class="keyword">typedef</span> vector<typename deref<SFirst>::type> type; | |
111 | <a name="l00095"></a>00095 }; | |
112 | <a name="l00096"></a>00096 } | |
113 | <a name="l00097"></a>00097 | |
114 | <a name="l00098"></a>00098 <span class="keyword">template</span> <<span class="keyword">typename</span> Src> | |
115 | <a name="l00099"></a>00099 <span class="keyword">struct </span>copy_to_vector { | |
116 | <a name="l00100"></a>00100 <span class="keyword">typedef</span> <span class="keyword">typename</span> detail::copy_to_vector_impl<typename begin<Src>::type, size<Src>::value>::type type; | |
117 | <a name="l00101"></a>00101 }; | |
118 | <a name="l00102"></a>00102 | |
119 | <a name="l00103"></a>00103 <span class="keyword">template</span> <> | |
120 | <a name="l00104"></a>00104 <span class="keyword">struct </span>copy_to_vector<set<> > { | |
121 | <a name="l00105"></a>00105 <span class="keyword">typedef</span> vector0<> type; | |
122 | <a name="l00106"></a>00106 }; | |
123 | <a name="l00107"></a>00107 | |
124 | <a name="l00108"></a>00108 } } <span class="comment">// boost::mpl</span> | |
125 | <a name="l00109"></a>00109 | |
126 | <a name="l00110"></a>00110 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil { | |
127 | <a name="l00111"></a>00111 | |
128 | <a name="l00112"></a>00112 | |
129 | <a name="l00120"></a>00120 | |
130 | <a name="l00121"></a>00121 | |
131 | <a name="l00122"></a>00122 | |
132 | <a name="l00123"></a>00123 | |
133 | <a name="l00133"></a>00133 | |
134 | <a name="l00134"></a>00134 <span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> Op> | |
135 | <a name="l00135"></a>00135 <span class="keyword">struct </span>unary_reduce_impl { | |
136 | <a name="l00136"></a>00136 <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::transform<Types, detail::reduce<Op, mpl::_1> >::type reduced_t; | |
137 | <a name="l00137"></a>00137 <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::copy<reduced_t, mpl::inserter<mpl::set<>, mpl::insert<mpl::_1,mpl::_2> > >::type unique_t; | |
138 | <a name="l00138"></a>00138 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> is_single=mpl::size<unique_t>::value==1; | |
139 | <a name="l00139"></a>00139 }; | |
140 | <a name="l00140"></a>00140 | |
141 | <a name="l00141"></a>00141 template <typename Types, typename Op, bool IsSingle=unary_reduce_impl<Types,Op>::is_single> | |
142 | <a name="l00142"></a>00142 <span class="keyword">struct </span>unary_reduce : <span class="keyword">public</span> unary_reduce_impl<Types,Op> { | |
143 | <a name="l00143"></a>00143 <span class="keyword">typedef</span> <span class="keyword">typename</span> unary_reduce_impl<Types,Op>::reduced_t reduced_t; | |
144 | <a name="l00144"></a>00144 <span class="keyword">typedef</span> <span class="keyword">typename</span> unary_reduce_impl<Types,Op>::unique_t unique_t; | |
145 | <a name="l00145"></a>00145 | |
146 | <a name="l00146"></a>00146 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keyword">inline</span> map_index(std::size_t index) { | |
147 | <a name="l00147"></a>00147 <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::mapping_vector<reduced_t, unique_t> indices_t; | |
148 | <a name="l00148"></a>00148 <span class="keywordflow">return</span> gil::at_c<indices_t, unsigned short>(index); | |
149 | <a name="l00149"></a>00149 } | |
150 | <a name="l00150"></a>00150 <span class="keyword">template</span> <<span class="keyword">typename</span> Bits> GIL_FORCEINLINE <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type applyc(<span class="keyword">const</span> Bits& bits, std::size_t index, Op op) { | |
151 | <a name="l00151"></a>00151 <span class="keywordflow">return</span> apply_operation_basec<unique_t>(bits,map_index(index),op); | |
152 | <a name="l00152"></a>00152 } | |
153 | <a name="l00153"></a>00153 | |
154 | <a name="l00154"></a>00154 <span class="keyword">template</span> <<span class="keyword">typename</span> Bits> GIL_FORCEINLINE <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type apply(Bits& bits, std::size_t index, Op op) { | |
155 | <a name="l00155"></a>00155 <span class="keywordflow">return</span> apply_operation_base<unique_t>(bits,map_index(index),op); | |
156 | <a name="l00156"></a>00156 } | |
157 | <a name="l00157"></a>00157 }; | |
158 | <a name="l00158"></a>00158 | |
159 | <a name="l00159"></a>00159 <span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> Op> | |
160 | <a name="l00160"></a>00160 <span class="keyword">struct </span>unary_reduce<Types,Op,true> : <span class="keyword">public</span> unary_reduce_impl<Types,Op> { | |
161 | <a name="l00161"></a>00161 <span class="keyword">typedef</span> <span class="keyword">typename</span> unary_reduce_impl<Types,Op>::unique_t unique_t; | |
162 | <a name="l00162"></a>00162 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keyword">inline</span> map_index(std::size_t index) { <span class="keywordflow">return</span> 0; } | |
163 | <a name="l00163"></a>00163 | |
164 | <a name="l00164"></a>00164 <span class="keyword">template</span> <<span class="keyword">typename</span> Bits> GIL_FORCEINLINE <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type applyc(<span class="keyword">const</span> Bits& bits, std::size_t index, Op op) { | |
165 | <a name="l00165"></a>00165 <span class="keywordflow">return</span> op(*gil_reinterpret_cast_c<<span class="keyword">const</span> <span class="keyword">typename</span> mpl::front<unique_t>::type*>(&bits)); | |
166 | <a name="l00166"></a>00166 } | |
167 | <a name="l00167"></a>00167 | |
168 | <a name="l00168"></a>00168 <span class="keyword">template</span> <<span class="keyword">typename</span> Bits> GIL_FORCEINLINE <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type apply(Bits& bits, std::size_t index, Op op) { | |
169 | <a name="l00169"></a>00169 <span class="keywordflow">return</span> op(*gil_reinterpret_cast<<span class="keyword">typename</span> mpl::front<unique_t>::type*>(&bits)); | |
170 | <a name="l00170"></a>00170 } | |
171 | <a name="l00171"></a>00171 }; | |
172 | <a name="l00172"></a>00172 | |
173 | <a name="l00173"></a>00173 | |
174 | <a name="l00186"></a>00186 | |
175 | <a name="l00187"></a>00187 <span class="keyword">namespace </span>detail { | |
176 | <a name="l00188"></a>00188 <span class="keyword">struct </span>pair_generator { | |
177 | <a name="l00189"></a>00189 <span class="keyword">template</span> <<span class="keyword">typename</span> Vec2> <span class="keyword">struct </span>apply { | |
178 | <a name="l00190"></a>00190 <span class="keyword">typedef</span> std::pair<const typename mpl::at_c<Vec2,0>::type*, <span class="keyword">const</span> <span class="keyword">typename</span> mpl::at_c<Vec2,1>::type*> type; | |
179 | <a name="l00191"></a>00191 }; | |
180 | <a name="l00192"></a>00192 }; | |
181 | <a name="l00193"></a>00193 | |
182 | <a name="l00194"></a>00194 <span class="comment">// When the types are not too large, applies reduce on their cross product</span> | |
183 | <a name="l00195"></a>00195 <span class="keyword">template</span> <<span class="keyword">typename</span> Unary1, <span class="keyword">typename</span> Unary2, <span class="keyword">typename</span> Op, <span class="keywordtype">bool</span> IsComplex> | |
184 | <a name="l00196"></a>00196 <span class="keyword">struct </span>binary_reduce_impl { | |
185 | <a name="l00197"></a>00197 <span class="comment">//private:</span> | |
186 | <a name="l00198"></a>00198 <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::copy_to_vector<typename Unary1::unique_t>::type vec1_types; | |
187 | <a name="l00199"></a>00199 <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::copy_to_vector<typename Unary2::unique_t>::type vec2_types; | |
188 | <a name="l00200"></a>00200 | |
189 | <a name="l00201"></a>00201 <span class="keyword">typedef</span> mpl::cross_vector<mpl::vector2<vec1_types, vec2_types>, pair_generator> BIN_TYPES; | |
190 | <a name="l00202"></a>00202 <span class="keyword">typedef</span> unary_reduce<BIN_TYPES,Op> bin_reduced_t; | |
191 | <a name="l00203"></a>00203 | |
192 | <a name="l00204"></a>00204 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keyword">inline</span> map_index(std::size_t index1, std::size_t index2) { | |
193 | <a name="l00205"></a>00205 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> r1=Unary1::map_index(index1); | |
194 | <a name="l00206"></a>00206 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> r2=Unary2::map_index(index2); | |
195 | <a name="l00207"></a>00207 <span class="keywordflow">return</span> bin_reduced_t::map_index(r2*mpl::size<vec1_types>::value + r1); | |
196 | <a name="l00208"></a>00208 } | |
197 | <a name="l00209"></a>00209 <span class="keyword">public</span>: | |
198 | <a name="l00210"></a>00210 <span class="keyword">typedef</span> <span class="keyword">typename</span> bin_reduced_t::unique_t unique_t; | |
199 | <a name="l00211"></a>00211 | |
200 | <a name="l00212"></a>00212 <span class="keyword">template</span> <<span class="keyword">typename</span> Bits1, <span class="keyword">typename</span> Bits2> | |
201 | <a name="l00213"></a>00213 <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type <span class="keyword">inline</span> apply(<span class="keyword">const</span> Bits1& bits1, std::size_t index1, <span class="keyword">const</span> Bits2& bits2, std::size_t index2, Op op) { | |
202 | <a name="l00214"></a>00214 std::pair<const void*,const void*> pr(&bits1, &bits2); | |
203 | <a name="l00215"></a>00215 <span class="keywordflow">return</span> apply_operation_basec<unique_t>(pr, map_index(index1,index2),op); | |
204 | <a name="l00216"></a>00216 } | |
205 | <a name="l00217"></a>00217 }; | |
206 | <a name="l00218"></a>00218 | |
207 | <a name="l00219"></a>00219 <span class="comment">// When the types are large performs a double-dispatch. Binary reduction is not done.</span> | |
208 | <a name="l00220"></a>00220 <span class="keyword">template</span> <<span class="keyword">typename</span> Unary1, <span class="keyword">typename</span> Unary2, <span class="keyword">typename</span> Op> | |
209 | <a name="l00221"></a>00221 <span class="keyword">struct </span>binary_reduce_impl<Unary1,Unary2,Op,true> { | |
210 | <a name="l00222"></a>00222 <span class="keyword">template</span> <<span class="keyword">typename</span> Bits1, <span class="keyword">typename</span> Bits2> | |
211 | <a name="l00223"></a>00223 <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type <span class="keyword">inline</span> apply(<span class="keyword">const</span> Bits1& bits1, std::size_t index1, <span class="keyword">const</span> Bits2& bits2, std::size_t index2, Op op) { | |
212 | <a name="l00224"></a>00224 <span class="keywordflow">return</span> apply_operation_base<Unary1::unique_t,Unary2::unique_t>(bits1, index1, bits2, index2, op); | |
213 | <a name="l00225"></a>00225 } | |
214 | <a name="l00226"></a>00226 }; | |
215 | <a name="l00227"></a>00227 } | |
216 | <a name="l00228"></a>00228 | |
217 | <a name="l00229"></a>00229 | |
218 | <a name="l00230"></a>00230 <span class="keyword">template</span> <<span class="keyword">typename</span> Types1, <span class="keyword">typename</span> Types2, <span class="keyword">typename</span> Op> | |
219 | <a name="l00231"></a>00231 <span class="keyword">struct </span>binary_reduce { | |
220 | <a name="l00232"></a>00232 <span class="comment">//private:</span> | |
221 | <a name="l00233"></a>00233 <span class="keyword">typedef</span> unary_reduce<Types1,Op> unary1_t; | |
222 | <a name="l00234"></a>00234 <span class="keyword">typedef</span> unary_reduce<Types2,Op> unary2_t; | |
223 | <a name="l00235"></a>00235 | |
224 | <a name="l00236"></a>00236 <span class="keyword">static</span> <span class="keyword">const</span> std::size_t CROSS_SIZE = mpl::size<typename unary1_t::unique_t>::value * | |
225 | <a name="l00237"></a>00237 mpl::size<typename unary2_t::unique_t>::value; | |
226 | <a name="l00238"></a>00238 | |
227 | <a name="l00239"></a>00239 <span class="keyword">typedef</span> detail::binary_reduce_impl<unary1_t,unary2_t,Op, (CROSS_SIZE>GIL_BINARY_REDUCE_LIMIT)> impl; | |
228 | <a name="l00240"></a>00240 <span class="keyword">public</span>: | |
229 | <a name="l00241"></a>00241 <span class="keyword">template</span> <<span class="keyword">typename</span> Bits1, <span class="keyword">typename</span> Bits2> | |
230 | <a name="l00242"></a>00242 <span class="keyword">static</span> <span class="keyword">typename</span> Op::result_type <span class="keyword">inline</span> apply(<span class="keyword">const</span> Bits1& bits1, std::size_t index1, <span class="keyword">const</span> Bits2& bits2, std::size_t index2, Op op) { | |
231 | <a name="l00243"></a>00243 <span class="keywordflow">return</span> impl::apply(bits1,index1,bits2,index2,op); | |
232 | <a name="l00244"></a>00244 } | |
233 | <a name="l00245"></a>00245 }; | |
234 | <a name="l00246"></a>00246 | |
235 | <a name="l00247"></a>00247 <span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> UnaryOp> | |
236 | <a name="l00248"></a>00248 GIL_FORCEINLINE <span class="keyword">typename</span> UnaryOp::result_type <a class="code" href="group___variant.html#g3dc0a90911c08815be11e1e49ec06037" title="Invokes a generic constant operation (represented as a binary function object) on...">apply_operation</a>(variant<Types>& arg, UnaryOp op) { | |
237 | <a name="l00249"></a>00249 <span class="keywordflow">return</span> unary_reduce<Types,UnaryOp>::template apply(arg._bits, arg._index ,op); | |
238 | <a name="l00250"></a>00250 } | |
239 | <a name="l00251"></a>00251 | |
240 | <a name="l00252"></a>00252 <span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> UnaryOp> | |
241 | <a name="l00253"></a>00253 GIL_FORCEINLINE <span class="keyword">typename</span> UnaryOp::result_type <a class="code" href="group___variant.html#g3dc0a90911c08815be11e1e49ec06037" title="Invokes a generic constant operation (represented as a binary function object) on...">apply_operation</a>(<span class="keyword">const</span> variant<Types>& arg, UnaryOp op) { | |
242 | <a name="l00254"></a>00254 <span class="keywordflow">return</span> unary_reduce<Types,UnaryOp>::template applyc(arg._bits, arg._index ,op); | |
243 | <a name="l00255"></a>00255 } | |
244 | <a name="l00256"></a>00256 | |
245 | <a name="l00257"></a>00257 <span class="keyword">template</span> <<span class="keyword">typename</span> Types1, <span class="keyword">typename</span> Types2, <span class="keyword">typename</span> BinaryOp> | |
246 | <a name="l00258"></a>00258 GIL_FORCEINLINE <span class="keyword">typename</span> BinaryOp::result_type <a class="code" href="group___variant.html#g3dc0a90911c08815be11e1e49ec06037" title="Invokes a generic constant operation (represented as a binary function object) on...">apply_operation</a>(<span class="keyword">const</span> variant<Types1>& arg1, <span class="keyword">const</span> variant<Types2>& arg2, BinaryOp op) { | |
247 | <a name="l00259"></a>00259 <span class="keywordflow">return</span> binary_reduce<Types1,Types2,BinaryOp>::template apply(arg1._bits, arg1._index, arg2._bits, arg2._index, op); | |
248 | <a name="l00260"></a>00260 } | |
249 | <a name="l00261"></a>00261 | |
250 | <a name="l00262"></a>00262 <span class="preprocessor">#undef GIL_BINARY_REDUCE_LIMIT</span> | |
251 | <a name="l00263"></a>00263 <span class="preprocessor"></span> | |
252 | <a name="l00264"></a>00264 } } <span class="comment">// namespace gil</span> | |
253 | <a name="l00265"></a>00265 | |
254 | <a name="l00266"></a>00266 | |
255 | <a name="l00267"></a>00267 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>mpl { | |
256 | <a name="l00286"></a>00286 | |
257 | <a name="l00287"></a>00287 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen> | |
258 | <a name="l00288"></a>00288 <span class="keyword">struct </span>cross_vector {}; | |
259 | <a name="l00289"></a>00289 | |
260 | <a name="l00292"></a>00292 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K> | |
261 | <a name="l00293"></a>00293 <span class="keyword">struct </span>cross_iterator { | |
262 | <a name="l00294"></a>00294 <span class="keyword">typedef</span> mpl::random_access_iterator_tag category; | |
263 | <a name="l00295"></a>00295 }; | |
264 | <a name="l00296"></a>00296 | |
265 | <a name="l00300"></a>00300 | |
266 | <a name="l00306"></a>00306 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K> | |
267 | <a name="l00307"></a>00307 <span class="keyword">struct </span>deref<cross_iterator<VecOfVecs,TypeGen,K> > { | |
268 | <a name="l00308"></a>00308 <span class="keyword">private</span>: | |
269 | <a name="l00309"></a>00309 <span class="keyword">typedef</span> <span class="keyword">typename</span> detail::select_subvector_c<VecOfVecs, K>::type DerefTypes; | |
270 | <a name="l00310"></a>00310 <span class="keyword">public</span>: | |
271 | <a name="l00311"></a>00311 <span class="keyword">typedef</span> <span class="keyword">typename</span> TypeGen::template apply<DerefTypes>::type type; | |
272 | <a name="l00312"></a>00312 }; | |
273 | <a name="l00313"></a>00313 | |
274 | <a name="l00316"></a>00316 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K> | |
275 | <a name="l00317"></a>00317 <span class="keyword">struct </span>next<cross_iterator<VecOfVecs,TypeGen,K> > { | |
276 | <a name="l00318"></a>00318 <span class="keyword">typedef</span> cross_iterator<VecOfVecs,TypeGen,K+1> type; | |
277 | <a name="l00319"></a>00319 }; | |
278 | <a name="l00320"></a>00320 | |
279 | <a name="l00323"></a>00323 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K> | |
280 | <a name="l00324"></a>00324 <span class="keyword">struct </span>prior<cross_iterator<VecOfVecs,TypeGen,K> > { | |
281 | <a name="l00325"></a>00325 <span class="keyword">typedef</span> cross_iterator<VecOfVecs,TypeGen,K-1> type; | |
282 | <a name="l00326"></a>00326 }; | |
283 | <a name="l00327"></a>00327 | |
284 | <a name="l00330"></a>00330 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K, <span class="keyword">typename</span> Distance> | |
285 | <a name="l00331"></a>00331 <span class="keyword">struct </span>advance<cross_iterator<VecOfVecs,TypeGen,K>, Distance > { | |
286 | <a name="l00332"></a>00332 <span class="keyword">typedef</span> cross_iterator<VecOfVecs,TypeGen,K+Distance::value> type; | |
287 | <a name="l00333"></a>00333 }; | |
288 | <a name="l00334"></a>00334 | |
289 | <a name="l00337"></a>00337 <span class="comment">// (shortened the names of the template arguments - otherwise doxygen cannot parse this...)</span> | |
290 | <a name="l00338"></a>00338 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, std::<span class="keywordtype">size_t</span> K1, std::<span class="keywordtype">size_t</span> K2> | |
291 | <a name="l00339"></a>00339 <span class="keyword">struct </span>distance<cross_iterator<VecOfVecs,TypeGen,K1>, cross_iterator<VecOfVecs,TypeGen,K2> > { | |
292 | <a name="l00340"></a>00340 <span class="keyword">typedef</span> <span class="keywordtype">size_t</span><K2-K1> type; | |
293 | <a name="l00341"></a>00341 }; | |
294 | <a name="l00342"></a>00342 | |
295 | <a name="l00348"></a>00348 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen> | |
296 | <a name="l00349"></a>00349 <span class="keyword">struct </span>size<cross_vector<VecOfVecs,TypeGen> > { | |
297 | <a name="l00350"></a>00350 <span class="keyword">typedef</span> <span class="keyword">typename</span> fold<VecOfVecs, size_t<1>, times<_1, size<_2> > >::type type; | |
298 | <a name="l00351"></a>00351 <span class="keyword">static</span> <span class="keyword">const</span> std::size_t value=type::value; | |
299 | <a name="l00352"></a>00352 }; | |
300 | <a name="l00353"></a>00353 | |
301 | <a name="l00356"></a>00356 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen> | |
302 | <a name="l00357"></a>00357 <span class="keyword">struct </span>empty<cross_vector<VecOfVecs,TypeGen> > { | |
303 | <a name="l00358"></a>00358 <span class="keyword">typedef</span> <span class="keyword">typename</span> empty<VecOfVecs>::type type; | |
304 | <a name="l00359"></a>00359 }; | |
305 | <a name="l00360"></a>00360 | |
306 | <a name="l00363"></a>00363 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, <span class="keyword">typename</span> K> | |
307 | <a name="l00364"></a>00364 <span class="keyword">struct </span>at<cross_vector<VecOfVecs,TypeGen>, K> { | |
308 | <a name="l00365"></a>00365 <span class="keyword">private</span>: | |
309 | <a name="l00366"></a>00366 <span class="keyword">typedef</span> cross_iterator<VecOfVecs,TypeGen,K::value> KthIterator; | |
310 | <a name="l00367"></a>00367 <span class="keyword">public</span>: | |
311 | <a name="l00368"></a>00368 <span class="keyword">typedef</span> <span class="keyword">typename</span> deref<KthIterator>::type type; | |
312 | <a name="l00369"></a>00369 }; | |
313 | <a name="l00370"></a>00370 | |
314 | <a name="l00373"></a>00373 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen> | |
315 | <a name="l00374"></a>00374 <span class="keyword">struct </span>begin<cross_vector<VecOfVecs,TypeGen> > { | |
316 | <a name="l00375"></a>00375 <span class="keyword">typedef</span> cross_iterator<VecOfVecs,TypeGen,0> type; | |
317 | <a name="l00376"></a>00376 }; | |
318 | <a name="l00377"></a>00377 | |
319 | <a name="l00380"></a>00380 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen> | |
320 | <a name="l00381"></a>00381 <span class="keyword">struct </span>end<cross_vector<VecOfVecs,TypeGen> > { | |
321 | <a name="l00382"></a>00382 <span class="keyword">private</span>: | |
322 | <a name="l00383"></a>00383 <span class="keyword">typedef</span> cross_vector<VecOfVecs,TypeGen> this_t; | |
323 | <a name="l00384"></a>00384 <span class="keyword">public</span>: | |
324 | <a name="l00385"></a>00385 <span class="keyword">typedef</span> cross_iterator<VecOfVecs,TypeGen,size<this_t>::value> type; | |
325 | <a name="l00386"></a>00386 }; | |
326 | <a name="l00387"></a>00387 | |
327 | <a name="l00390"></a>00390 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen> | |
328 | <a name="l00391"></a>00391 <span class="keyword">struct </span>front<cross_vector<VecOfVecs,TypeGen> > { | |
329 | <a name="l00392"></a>00392 <span class="keyword">private</span>: | |
330 | <a name="l00393"></a>00393 <span class="keyword">typedef</span> cross_vector<VecOfVecs,TypeGen> this_t; | |
331 | <a name="l00394"></a>00394 <span class="keyword">public</span>: | |
332 | <a name="l00395"></a>00395 <span class="keyword">typedef</span> <span class="keyword">typename</span> deref<typename begin<this_t>::type>::type type; | |
333 | <a name="l00396"></a>00396 }; | |
334 | <a name="l00397"></a>00397 | |
335 | <a name="l00400"></a>00400 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen> | |
336 | <a name="l00401"></a>00401 <span class="keyword">struct </span>back<cross_vector<VecOfVecs,TypeGen> > { | |
337 | <a name="l00402"></a>00402 <span class="keyword">private</span>: | |
338 | <a name="l00403"></a>00403 <span class="keyword">typedef</span> cross_vector<VecOfVecs,TypeGen> this_t; | |
339 | <a name="l00404"></a>00404 <span class="keyword">typedef</span> <span class="keyword">typename</span> size<this_t>::type size; | |
340 | <a name="l00405"></a>00405 <span class="keyword">typedef</span> <span class="keyword">typename</span> minus<size, size_t<1> >::type last_index; | |
341 | <a name="l00406"></a>00406 <span class="keyword">public</span>: | |
342 | <a name="l00407"></a>00407 <span class="keyword">typedef</span> <span class="keyword">typename</span> at<this_t, last_index>::type type; | |
343 | <a name="l00408"></a>00408 }; | |
344 | <a name="l00409"></a>00409 | |
345 | <a name="l00412"></a>00412 <span class="keyword">template</span> <<span class="keyword">typename</span> VecOfVecs, <span class="keyword">typename</span> TypeGen, <span class="keyword">typename</span> OPP> | |
346 | <a name="l00413"></a>00413 <span class="keyword">struct </span>transform<cross_vector<VecOfVecs,TypeGen>, OPP > { | |
347 | <a name="l00414"></a>00414 <span class="keyword">typedef</span> <span class="keyword">typename</span> lambda<OPP>::type Op; | |
348 | <a name="l00415"></a>00415 <span class="keyword">struct </span>adapter { | |
349 | <a name="l00416"></a>00416 <span class="keyword">template</span> <<span class="keyword">typename</span> Elements> | |
350 | <a name="l00417"></a>00417 <span class="keyword">struct </span>apply { | |
351 | <a name="l00418"></a>00418 <span class="keyword">typedef</span> <span class="keyword">typename</span> TypeGen::template apply<Elements>::type orig_t; | |
352 | <a name="l00419"></a>00419 <span class="keyword">typedef</span> <span class="keyword">typename</span> Op::template apply<orig_t>::type type; | |
353 | <a name="l00420"></a>00420 }; | |
354 | <a name="l00421"></a>00421 }; | |
355 | <a name="l00422"></a>00422 <span class="keyword">typedef</span> cross_vector<VecOfVecs, adapter > type; | |
356 | <a name="l00423"></a>00423 }; | |
357 | <a name="l00424"></a>00424 | |
358 | <a name="l00425"></a>00425 } } <span class="comment">// boost::mpl</span> | |
359 | <a name="l00426"></a>00426 | |
360 | <a name="l00427"></a>00427 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil { | |
361 | <a name="l00428"></a>00428 | |
362 | <a name="l00429"></a>00429 <span class="keyword">template</span> <<span class="keyword">typename</span> Types, <span class="keyword">typename</span> T> <span class="keyword">struct </span>type_to_index; | |
363 | <a name="l00430"></a>00430 <span class="keyword">template</span> <<span class="keyword">typename</span> V> <span class="keyword">struct </span>view_is_basic; | |
364 | <a name="l00431"></a>00431 <span class="keyword">struct </span>rgb_t; | |
365 | <a name="l00432"></a>00432 <span class="keyword">struct </span>lab_t; | |
366 | <a name="l00433"></a>00433 <span class="keyword">struct </span>hsb_t; | |
367 | <a name="l00434"></a>00434 <span class="keyword">struct </span>cmyk_t; | |
368 | <a name="l00435"></a>00435 <span class="keyword">struct </span>rgba_t; | |
369 | <a name="l00436"></a>00436 <span class="keyword">struct </span>error_t; | |
370 | <a name="l00437"></a>00437 | |
371 | <a name="l00438"></a>00438 | |
372 | <a name="l00439"></a>00439 <span class="keyword">namespace </span>detail { | |
373 | <a name="l00445"></a>00445 <span class="keyword">template</span> <<span class="keyword">typename</span> Op, <span class="keyword">typename</span> T> | |
374 | <a name="l00446"></a>00446 <span class="keyword">struct </span>reduce { | |
375 | <a name="l00447"></a>00447 <span class="keyword">typedef</span> T type; | |
376 | <a name="l00448"></a>00448 }; | |
377 | <a name="l00449"></a>00449 | |
378 | <a name="l00456"></a>00456 | |
379 | <a name="l00457"></a>00457 <span class="keyword">template</span> <<span class="keyword">typename</span> Op, <span class="keyword">typename</span> View, <span class="keywordtype">bool</span> IsBasic> | |
380 | <a name="l00458"></a>00458 <span class="keyword">struct </span>reduce_view_basic { | |
381 | <a name="l00459"></a>00459 <span class="keyword">typedef</span> View type; | |
382 | <a name="l00460"></a>00460 }; | |
383 | <a name="l00461"></a>00461 | |
384 | <a name="l00462"></a>00462 <span class="keyword">template</span> <<span class="keyword">typename</span> Op, <span class="keyword">typename</span> Loc> | |
385 | <a name="l00463"></a>00463 <span class="keyword">struct </span>reduce<Op, image_view<Loc> > | |
386 | <a name="l00464"></a>00464 : <span class="keyword">public</span> reduce_view_basic<Op,image_view<Loc>,view_is_basic<image_view<Loc> >::value> {}; | |
387 | <a name="l00465"></a>00465 | |
388 | <a name="l00472"></a>00472 | |
389 | <a name="l00473"></a>00473 <span class="keyword">template</span> <<span class="keyword">typename</span> Op, <span class="keyword">typename</span> Img, <span class="keywordtype">bool</span> IsBasic> | |
390 | <a name="l00474"></a>00474 <span class="keyword">struct </span>reduce_image_basic { | |
391 | <a name="l00475"></a>00475 <span class="keyword">typedef</span> Img type; | |
392 | <a name="l00476"></a>00476 }; | |
393 | <a name="l00477"></a>00477 | |
394 | <a name="l00478"></a>00478 <span class="keyword">template</span> <<span class="keyword">typename</span> Op, <span class="keyword">typename</span> V, <span class="keyword">typename</span> Alloc> | |
395 | <a name="l00479"></a>00479 <span class="keyword">struct </span>reduce<Op, image<V,Alloc> > : <span class="keyword">public</span> reduce_image_basic<Op,image<V,Alloc>,image_is_basic<image<V,Alloc> >::value > {}; | |
396 | <a name="l00480"></a>00480 | |
397 | <a name="l00487"></a>00487 | |
398 | <a name="l00488"></a>00488 <span class="keyword">template</span> <<span class="keyword">typename</span> Op, <span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2, <span class="keywordtype">bool</span> AreBasic> | |
399 | <a name="l00489"></a>00489 <span class="keyword">struct </span>reduce_views_basic { | |
400 | <a name="l00490"></a>00490 <span class="keyword">typedef</span> std::pair<const V1*, const V2*> type; | |
401 | <a name="l00491"></a>00491 }; | |
402 | <a name="l00492"></a>00492 | |
403 | <a name="l00493"></a>00493 <span class="keyword">template</span> <<span class="keyword">typename</span> Op, <span class="keyword">typename</span> L1, <span class="keyword">typename</span> L2> | |
404 | <a name="l00494"></a>00494 <span class="keyword">struct </span>reduce<Op, std::pair<const image_view<L1>*, const image_view<L2>*> > | |
405 | <a name="l00495"></a>00495 : <span class="keyword">public</span> reduce_views_basic<Op,image_view<L1>,image_view<L2>, | |
406 | <a name="l00496"></a>00496 mpl::and_<view_is_basic<image_view<L1> >, view_is_basic<image_view<L2> > >::value > | |
407 | <a name="l00497"></a>00497 {}; | |
408 | <a name="l00498"></a>00498 | |
409 | <a name="l00499"></a>00499 | |
410 | <a name="l00505"></a>00505 | |
411 | <a name="l00506"></a>00506 <span class="keyword">template</span> <<span class="keyword">typename</span> Cs> | |
412 | <a name="l00507"></a>00507 <span class="keyword">struct </span>reduce_color_space { | |
413 | <a name="l00508"></a>00508 <span class="keyword">typedef</span> Cs type; | |
414 | <a name="l00509"></a>00509 }; | |
415 | <a name="l00510"></a>00510 | |
416 | <a name="l00511"></a>00511 <span class="keyword">template</span> <> <span class="keyword">struct </span>reduce_color_space<lab_t> { <span class="keyword">typedef</span> rgb_t type; }; | |
417 | <a name="l00512"></a>00512 <span class="keyword">template</span> <> <span class="keyword">struct </span>reduce_color_space<hsb_t> { <span class="keyword">typedef</span> rgb_t type; }; | |
418 | <a name="l00513"></a>00513 <span class="keyword">template</span> <> <span class="keyword">struct </span>reduce_color_space<cmyk_t> { <span class="keyword">typedef</span> rgba_t type; }; | |
419 | <a name="l00514"></a>00514 | |
420 | <a name="l00515"></a>00515 <span class="comment">/*</span> | |
421 | <a name="l00523"></a>00523 <span class="comment"></span> | |
422 | <a name="l00524"></a>00524 <span class="comment"> template <typename Vec, int Basis, int VecSize> </span> | |
423 | <a name="l00525"></a>00525 <span class="comment"> struct type_vec_to_integer_impl {</span> | |
424 | <a name="l00526"></a>00526 <span class="comment"> typedef typename mpl::back<Vec>::type last;</span> | |
425 | <a name="l00527"></a>00527 <span class="comment"> typedef typename mpl::pop_back<Vec>::type rest;</span> | |
426 | <a name="l00528"></a>00528 <span class="comment"> static const int value = type_vec_to_integer_impl<rest, Basis, VecSize-1>::value * Basis + last::value;</span> | |
427 | <a name="l00529"></a>00529 <span class="comment"> };</span> | |
428 | <a name="l00530"></a>00530 <span class="comment"></span> | |
429 | <a name="l00531"></a>00531 <span class="comment"> template <typename Vec, int Basis> </span> | |
430 | <a name="l00532"></a>00532 <span class="comment"> struct type_vec_to_integer_impl<Vec,Basis,0> {</span> | |
431 | <a name="l00533"></a>00533 <span class="comment"> static const int value=0;</span> | |
432 | <a name="l00534"></a>00534 <span class="comment"> };</span> | |
433 | <a name="l00535"></a>00535 <span class="comment"></span> | |
434 | <a name="l00536"></a>00536 <span class="comment"> template <typename Vec, int Basis=10></span> | |
435 | <a name="l00537"></a>00537 <span class="comment"> struct type_vec_to_integer {</span> | |
436 | <a name="l00538"></a>00538 <span class="comment"> static const int value = type_vec_to_integer_impl<Vec,Basis, mpl::size<Vec>::value>::value;</span> | |
437 | <a name="l00539"></a>00539 <span class="comment"> };</span> | |
438 | <a name="l00540"></a>00540 <span class="comment"></span> | |
439 | <a name="l00541"></a>00541 <span class="comment"> // Given two color spaces and the mapping of the channels between them, returns the reduced pair of color spaces</span> | |
440 | <a name="l00542"></a>00542 <span class="comment"> // The default version performs no reduction</span> | |
441 | <a name="l00543"></a>00543 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace, int Mapping></span> | |
442 | <a name="l00544"></a>00544 <span class="comment"> struct reduce_color_spaces_impl {</span> | |
443 | <a name="l00545"></a>00545 <span class="comment"> typedef SrcColorSpace first_t;</span> | |
444 | <a name="l00546"></a>00546 <span class="comment"> typedef DstColorSpace second_t;</span> | |
445 | <a name="l00547"></a>00547 <span class="comment"> };</span> | |
446 | <a name="l00548"></a>00548 <span class="comment"></span> | |
447 | <a name="l00549"></a>00549 <span class="comment"> // 012: RGB-RGB, bgr-bgr, lab-lab, hsb-hsb</span> | |
448 | <a name="l00550"></a>00550 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
449 | <a name="l00551"></a>00551 <span class="comment"> struct reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,12> {</span> | |
450 | <a name="l00552"></a>00552 <span class="comment"> typedef rgb_t first_t;</span> | |
451 | <a name="l00553"></a>00553 <span class="comment"> typedef rgb_t second_t;</span> | |
452 | <a name="l00554"></a>00554 <span class="comment"> };</span> | |
453 | <a name="l00555"></a>00555 <span class="comment"></span> | |
454 | <a name="l00556"></a>00556 <span class="comment"> // 210: RGB-bgr, bgr-RGB</span> | |
455 | <a name="l00557"></a>00557 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
456 | <a name="l00558"></a>00558 <span class="comment"> struct reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,210> {</span> | |
457 | <a name="l00559"></a>00559 <span class="comment"> typedef rgb_t first_t;</span> | |
458 | <a name="l00560"></a>00560 <span class="comment"> typedef bgr_t second_t;</span> | |
459 | <a name="l00561"></a>00561 <span class="comment"> };</span> | |
460 | <a name="l00562"></a>00562 <span class="comment"></span> | |
461 | <a name="l00563"></a>00563 <span class="comment"> // 0123: RGBA-RGBA, bgra-bgra, argb-argb, abgr-abgr cmyk-cmyk</span> | |
462 | <a name="l00564"></a>00564 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
463 | <a name="l00565"></a>00565 <span class="comment"> struct reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,123> {</span> | |
464 | <a name="l00566"></a>00566 <span class="comment"> typedef rgba_t first_t;</span> | |
465 | <a name="l00567"></a>00567 <span class="comment"> typedef rgba_t second_t;</span> | |
466 | <a name="l00568"></a>00568 <span class="comment"> };</span> | |
467 | <a name="l00569"></a>00569 <span class="comment"></span> | |
468 | <a name="l00570"></a>00570 <span class="comment"> // 3210: RGBA-abgr, bgra-argb, argb-bgra, abgr-RGBA</span> | |
469 | <a name="l00571"></a>00571 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
470 | <a name="l00572"></a>00572 <span class="comment"> struct reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,3210> {</span> | |
471 | <a name="l00573"></a>00573 <span class="comment"> typedef rgba_t first_t;</span> | |
472 | <a name="l00574"></a>00574 <span class="comment"> typedef abgr_t second_t;</span> | |
473 | <a name="l00575"></a>00575 <span class="comment"> };</span> | |
474 | <a name="l00576"></a>00576 <span class="comment"></span> | |
475 | <a name="l00577"></a>00577 <span class="comment"> // 1230: RGBA-argb, bgra-abgr</span> | |
476 | <a name="l00578"></a>00578 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
477 | <a name="l00579"></a>00579 <span class="comment"> struct reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,1230> {</span> | |
478 | <a name="l00580"></a>00580 <span class="comment"> typedef rgba_t first_t;</span> | |
479 | <a name="l00581"></a>00581 <span class="comment"> typedef argb_t second_t;</span> | |
480 | <a name="l00582"></a>00582 <span class="comment"> };</span> | |
481 | <a name="l00583"></a>00583 <span class="comment"></span> | |
482 | <a name="l00584"></a>00584 <span class="comment"> // 2103: RGBA-bgra, bgra-RGBA (uses subclass to ensure that base color space is not reduced to derived)</span> | |
483 | <a name="l00585"></a>00585 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
484 | <a name="l00586"></a>00586 <span class="comment"> struct reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,2103> {</span> | |
485 | <a name="l00587"></a>00587 <span class="comment"> typedef rgba_t first_t;</span> | |
486 | <a name="l00588"></a>00588 <span class="comment"> typedef bgra_t second_t;</span> | |
487 | <a name="l00589"></a>00589 <span class="comment"> };</span> | |
488 | <a name="l00590"></a>00590 <span class="comment"></span> | |
489 | <a name="l00591"></a>00591 <span class="comment"> // 3012: argb-RGBA, abgr-bgra</span> | |
490 | <a name="l00592"></a>00592 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
491 | <a name="l00593"></a>00593 <span class="comment"> struct reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,3012> {</span> | |
492 | <a name="l00594"></a>00594 <span class="comment"> typedef argb_t first_t;</span> | |
493 | <a name="l00595"></a>00595 <span class="comment"> typedef rgba_t second_t;</span> | |
494 | <a name="l00596"></a>00596 <span class="comment"> };</span> | |
495 | <a name="l00597"></a>00597 <span class="comment"></span> | |
496 | <a name="l00598"></a>00598 <span class="comment"> // 0321: argb-abgr, abgr-argb</span> | |
497 | <a name="l00599"></a>00599 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
498 | <a name="l00600"></a>00600 <span class="comment"> struct reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,321> {</span> | |
499 | <a name="l00601"></a>00601 <span class="comment"> typedef argb_t first_t;</span> | |
500 | <a name="l00602"></a>00602 <span class="comment"> typedef abgr_t second_t;</span> | |
501 | <a name="l00603"></a>00603 <span class="comment"> };</span> | |
502 | <a name="l00604"></a>00604 <span class="comment"></span> | |
503 | <a name="l00605"></a>00605 <span class="comment"> template <typename SrcColorSpace, typename DstColorSpace></span> | |
504 | <a name="l00606"></a>00606 <span class="comment"> struct reduce_color_spaces {</span> | |
505 | <a name="l00607"></a>00607 <span class="comment"> typedef typename channel_order<SrcColorSpace>::type src_order_t;</span> | |
506 | <a name="l00608"></a>00608 <span class="comment"> typedef typename channel_order<DstColorSpace>::type dst_order_t;</span> | |
507 | <a name="l00609"></a>00609 <span class="comment"> typedef typename mpl::transform<src_order_t, type_to_index<dst_order_t,mpl::_1> >::type mapping;</span> | |
508 | <a name="l00610"></a>00610 <span class="comment"> static const int mapping_val = type_vec_to_integer<mapping>::value;</span> | |
509 | <a name="l00611"></a>00611 <span class="comment"> </span> | |
510 | <a name="l00612"></a>00612 <span class="comment"> typedef typename reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,mapping_val>::first_t _first_t;</span> | |
511 | <a name="l00613"></a>00613 <span class="comment"> typedef typename reduce_color_spaces_impl<SrcColorSpace,DstColorSpace,mapping_val>::second_t _second_t;</span> | |
512 | <a name="l00614"></a>00614 <span class="comment"> typedef typename mpl::and_<color_space_is_base<DstColorSpace>, mpl::not_< color_space_is_base<_second_t> > > swap_t;</span> | |
513 | <a name="l00615"></a>00615 <span class="comment"> public:</span> | |
514 | <a name="l00616"></a>00616 <span class="comment"> typedef typename mpl::if_<swap_t, _second_t, _first_t>::type first_t;</span> | |
515 | <a name="l00617"></a>00617 <span class="comment"> typedef typename mpl::if_<swap_t, _first_t, _second_t>::type second_t;</span> | |
516 | <a name="l00618"></a>00618 <span class="comment"> };</span> | |
517 | <a name="l00619"></a>00619 <span class="comment">*/</span> | |
518 | <a name="l00620"></a>00620 <span class="comment">// TODO: Use the old code for reduce_color_spaces above to do color layout reduction</span> | |
519 | <a name="l00621"></a>00621 <span class="keyword">template</span> <<span class="keyword">typename</span> SrcLayout, <span class="keyword">typename</span> DstLayout> | |
520 | <a name="l00622"></a>00622 <span class="keyword">struct </span>reduce_color_layouts { | |
521 | <a name="l00623"></a>00623 <span class="keyword">typedef</span> SrcLayout first_t; | |
522 | <a name="l00624"></a>00624 <span class="keyword">typedef</span> DstLayout second_t; | |
523 | <a name="l00625"></a>00625 }; | |
524 | <a name="l00626"></a>00626 | |
525 | <a name="l00632"></a>00632 | |
526 | <a name="l00633"></a>00633 <span class="keyword">struct </span>copy_pixels_fn; | |
527 | <a name="l00634"></a>00634 | |
528 | <a name="l00635"></a>00635 <span class="comment">/*</span> | |
529 | <a name="l00636"></a>00636 <span class="comment"> // 1D reduce for copy_pixels reduces the channel to mutable and the color space to its base with same dimensions</span> | |
530 | <a name="l00637"></a>00637 <span class="comment"> template <typename View></span> | |
531 | <a name="l00638"></a>00638 <span class="comment"> struct reduce_view_basic<copy_pixels_fn,View,true> {</span> | |
532 | <a name="l00639"></a>00639 <span class="comment"> private:</span> | |
533 | <a name="l00640"></a>00640 <span class="comment"> typedef typename reduce_color_space<typename View::color_space_t>::type Cs; // reduce the color space</span> | |
534 | <a name="l00641"></a>00641 <span class="comment"> typedef layout<Cs, typename View::channel_mapping_t> layout_t;</span> | |
535 | <a name="l00642"></a>00642 <span class="comment"> public:</span> | |
536 | <a name="l00643"></a>00643 <span class="comment"> typedef typename derived_view_type<View, use_default, layout_t, use_default, use_default, mpl::true_>::type type;</span> | |
537 | <a name="l00644"></a>00644 <span class="comment"> };</span> | |
538 | <a name="l00645"></a>00645 <span class="comment">*/</span> | |
539 | <a name="l00646"></a>00646 <span class="comment">// Incompatible views cannot be used in copy_pixels - will throw std::bad_cast</span> | |
540 | <a name="l00647"></a>00647 <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2, <span class="keywordtype">bool</span> Compatible> | |
541 | <a name="l00648"></a>00648 <span class="keyword">struct </span>reduce_copy_pixop_compat { | |
542 | <a name="l00649"></a>00649 <span class="keyword">typedef</span> error_t type; | |
543 | <a name="l00650"></a>00650 }; | |
544 | <a name="l00651"></a>00651 | |
545 | <a name="l00652"></a>00652 <span class="comment">// For compatible basic views, reduce their color spaces based on their channel mapping. </span> | |
546 | <a name="l00653"></a>00653 <span class="comment">// Make the source immutable and the destination mutable (they should already be that way)</span> | |
547 | <a name="l00654"></a>00654 <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2> | |
548 | <a name="l00655"></a>00655 <span class="keyword">struct </span>reduce_copy_pixop_compat<V1,V2,true> { | |
549 | <a name="l00656"></a>00656 <span class="keyword">typedef</span> layout<typename V1::color_space_t, typename V1::channel_mapping_t> layout1; | |
550 | <a name="l00657"></a>00657 <span class="keyword">typedef</span> layout<typename V2::color_space_t, typename V2::channel_mapping_t> layout2; | |
551 | <a name="l00658"></a>00658 | |
552 | <a name="l00659"></a>00659 <span class="keyword">typedef</span> <span class="keyword">typename</span> reduce_color_layouts<layout1,layout2>::first_t L1; | |
553 | <a name="l00660"></a>00660 <span class="keyword">typedef</span> <span class="keyword">typename</span> reduce_color_layouts<layout1,layout2>::second_t L2; | |
554 | <a name="l00661"></a>00661 | |
555 | <a name="l00662"></a>00662 <span class="keyword">typedef</span> <span class="keyword">typename</span> derived_view_type<V1, use_default, L1, use_default, use_default, use_default, mpl::false_>::type DV1; | |
556 | <a name="l00663"></a>00663 <span class="keyword">typedef</span> <span class="keyword">typename</span> derived_view_type<V2, use_default, L2, use_default, use_default, use_default, mpl::true_ >::type DV2; | |
557 | <a name="l00664"></a>00664 | |
558 | <a name="l00665"></a>00665 <span class="keyword">typedef</span> std::pair<const DV1*, const DV2*> type; | |
559 | <a name="l00666"></a>00666 }; | |
560 | <a name="l00667"></a>00667 | |
561 | <a name="l00668"></a>00668 <span class="comment">// The general 2D version branches into compatible and incompatible views</span> | |
562 | <a name="l00669"></a>00669 <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2> | |
563 | <a name="l00670"></a>00670 <span class="keyword">struct </span>reduce_views_basic<copy_pixels_fn, V1, V2, true> | |
564 | <a name="l00671"></a>00671 : <span class="keyword">public</span> reduce_copy_pixop_compat<V1, V2, mpl::and_<views_are_compatible<V1,V2>, view_is_mutable<V2> >::value > { | |
565 | <a name="l00672"></a>00672 }; | |
566 | <a name="l00673"></a>00673 | |
567 | <a name="l00679"></a>00679 | |
568 | <a name="l00680"></a>00680 <span class="keyword">struct </span>destructor_op; | |
569 | <a name="l00681"></a>00681 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <span class="keyword">struct </span>reduce_view_basic<destructor_op,View,true> { <span class="keyword">typedef</span> gray8_view_t type; }; | |
570 | <a name="l00682"></a>00682 | |
571 | <a name="l00688"></a>00688 | |
572 | <a name="l00689"></a>00689 <span class="keyword">struct </span>any_type_get_dimensions; | |
573 | <a name="l00690"></a>00690 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <span class="keyword">struct </span>reduce_view_basic<any_type_get_dimensions,View,true> { <span class="keyword">typedef</span> gray8_view_t type; }; | |
574 | <a name="l00691"></a>00691 <span class="keyword">template</span> <<span class="keyword">typename</span> Img> <span class="keyword">struct </span>reduce_image_basic<any_type_get_dimensions,Img,true> { <span class="keyword">typedef</span> gray8_image_t type; }; | |
575 | <a name="l00692"></a>00692 | |
576 | <a name="l00698"></a>00698 | |
577 | <a name="l00699"></a>00699 <span class="keyword">struct </span>any_type_get_num_channels; | |
578 | <a name="l00700"></a>00700 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <span class="keyword">struct </span>reduce_view_basic<any_type_get_num_channels,View,true> { | |
579 | <a name="l00701"></a>00701 <span class="keyword">typedef</span> <span class="keyword">typename</span> View::color_space_t::base Cs; | |
580 | <a name="l00702"></a>00702 <span class="keyword">typedef</span> <span class="keyword">typename</span> view_type<bits8,typename reduce_color_space<Cs>::type>::type type; | |
581 | <a name="l00703"></a>00703 }; | |
582 | <a name="l00704"></a>00704 <span class="keyword">template</span> <<span class="keyword">typename</span> Img> <span class="keyword">struct </span>reduce_image_basic<any_type_get_num_channels,Img,true> { | |
583 | <a name="l00705"></a>00705 <span class="keyword">typedef</span> <span class="keyword">typename</span> Img::color_space_t::base Cs; | |
584 | <a name="l00706"></a>00706 <span class="keyword">typedef</span> <span class="keyword">typename</span> image_type<bits8,typename reduce_color_space<Cs>::type>::type type; | |
585 | <a name="l00707"></a>00707 }; | |
586 | <a name="l00708"></a>00708 | |
587 | <a name="l00714"></a>00714 | |
588 | <a name="l00715"></a>00715 <span class="keyword">template</span> <<span class="keyword">typename</span> Sampler, <span class="keyword">typename</span> MapFn> <span class="keyword">struct </span>resample_pixels_fn; | |
589 | <a name="l00716"></a>00716 | |
590 | <a name="l00717"></a>00717 <span class="keyword">template</span> <<span class="keyword">typename</span> S, <span class="keyword">typename</span> M, <span class="keyword">typename</span> V, <span class="keywordtype">bool</span> IsBasic> | |
591 | <a name="l00718"></a>00718 <span class="keyword">struct </span>reduce_view_basic<resample_pixels_fn<S,M>, V, IsBasic> : <span class="keyword">public</span> reduce_view_basic<copy_pixels_fn, V, IsBasic> {}; | |
592 | <a name="l00719"></a>00719 | |
593 | <a name="l00720"></a>00720 <span class="keyword">template</span> <<span class="keyword">typename</span> S, <span class="keyword">typename</span> M, <span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2, <span class="keywordtype">bool</span> IsBasic> | |
594 | <a name="l00721"></a>00721 <span class="keyword">struct </span>reduce_views_basic<resample_pixels_fn<S,M>, V1, V2, IsBasic> : <span class="keyword">public</span> reduce_views_basic<copy_pixels_fn, V1, V2, IsBasic> {}; | |
595 | <a name="l00722"></a>00722 | |
596 | <a name="l00729"></a>00729 | |
597 | <a name="l00730"></a>00730 | |
598 | <a name="l00731"></a>00731 <span class="keyword">template</span> <<span class="keyword">typename</span> CC> <span class="keyword">class </span>copy_and_convert_pixels_fn; | |
599 | <a name="l00732"></a>00732 | |
600 | <a name="l00733"></a>00733 <span class="comment">// the only thing for 1D reduce is making them all mutable...</span> | |
601 | <a name="l00734"></a>00734 <span class="keyword">template</span> <<span class="keyword">typename</span> CC, <span class="keyword">typename</span> View, <span class="keywordtype">bool</span> IsBasic> | |
602 | <a name="l00735"></a>00735 <span class="keyword">struct </span>reduce_view_basic<copy_and_convert_pixels_fn<CC>, View, IsBasic> | |
603 | <a name="l00736"></a>00736 : <span class="keyword">public</span> derived_view_type<View, use_default, use_default, use_default, use_default, mpl::true_> { | |
604 | <a name="l00737"></a>00737 }; | |
605 | <a name="l00738"></a>00738 | |
606 | <a name="l00739"></a>00739 <span class="comment">// For 2D reduce, if they have the same channels and color spaces (i.e. the same pixels) then copy_and_convert is just copy.</span> | |
607 | <a name="l00740"></a>00740 <span class="comment">// In this case, reduce their common color space. In general make the first immutable and the second mutable</span> | |
608 | <a name="l00741"></a>00741 <span class="keyword">template</span> <<span class="keyword">typename</span> CC, <span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2, <span class="keywordtype">bool</span> AreBasic> | |
609 | <a name="l00742"></a>00742 <span class="keyword">struct </span>reduce_views_basic<copy_and_convert_pixels_fn<CC>, V1, V2, AreBasic> { | |
610 | <a name="l00743"></a>00743 <span class="keyword">typedef</span> is_same<typename V1::pixel_t, typename V2::pixel_t> Same; | |
611 | <a name="l00744"></a>00744 | |
612 | <a name="l00745"></a>00745 <span class="keyword">typedef</span> reduce_color_space<typename V1::color_space_t::base> CsR; | |
613 | <a name="l00746"></a>00746 <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::if_<Same, typename CsR::type, typename V1::color_space_t>::type Cs1; | |
614 | <a name="l00747"></a>00747 <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::if_<Same, typename CsR::type, typename V2::color_space_t>::type Cs2; | |
615 | <a name="l00748"></a>00748 | |
616 | <a name="l00749"></a>00749 <span class="keyword">typedef</span> <span class="keyword">typename</span> derived_view_type<V1, use_default, layout<Cs1, typename V1::channel_mapping_t>, use_default, use_default, mpl::false_>::type DV1; | |
617 | <a name="l00750"></a>00750 <span class="keyword">typedef</span> <span class="keyword">typename</span> derived_view_type<V2, use_default, layout<Cs2, typename V2::channel_mapping_t>, use_default, use_default, mpl::true_ >::type DV2; | |
618 | <a name="l00751"></a>00751 | |
619 | <a name="l00752"></a>00752 <span class="keyword">typedef</span> std::pair<const DV1*, const DV2*> type; | |
620 | <a name="l00753"></a>00753 }; | |
621 | <a name="l00754"></a>00754 | |
622 | <a name="l00755"></a>00755 | |
623 | <a name="l00756"></a>00756 <span class="comment">//integral_image_generator</span> | |
624 | <a name="l00757"></a>00757 <span class="comment">//resize_clobber_image_fnobj</span> | |
625 | <a name="l00758"></a>00758 <span class="comment">//image_default_construct_fnobj</span> | |
626 | <a name="l00759"></a>00759 <span class="comment">//fill_converted_pixels_fn</span> | |
627 | <a name="l00760"></a>00760 <span class="comment">//bind(gil::detail::copy_pixels_fn(), _1, dst)</span> | |
628 | <a name="l00761"></a>00761 <span class="comment">//bind(gil::detail::copy_pixels_fn(), src,_1)</span> | |
629 | <a name="l00762"></a>00762 | |
630 | <a name="l00763"></a>00763 <span class="comment">//bind(detail::copy_and_convert_pixels_fn(), _1, dst)</span> | |
631 | <a name="l00764"></a>00764 <span class="comment">//bind(detail::copy_and_convert_pixels_fn(), src, _1)</span> | |
632 | <a name="l00765"></a>00765 <span class="comment">//gil::detail::fill_pixels_fn<Value>(val)</span> | |
633 | <a name="l00766"></a>00766 | |
634 | <a name="l00767"></a>00767 <span class="comment">//detail::copy_construct_in_place_fn<base_t></span> | |
635 | <a name="l00768"></a>00768 <span class="comment">//detail::equal_to_fn<typename variant<Types>::base_t></span> | |
636 | <a name="l00769"></a>00769 | |
637 | <a name="l00770"></a>00770 <span class="comment">//detail::any_image_get_view<typename any_image<Types>::view_t></span> | |
638 | <a name="l00771"></a>00771 <span class="comment">//detail::any_image_get_const_view<typename any_image<Types>::view_t></span> | |
639 | <a name="l00772"></a>00772 <span class="comment">//detail::flipped_up_down_view_fn<any_image_view<ViewTypes> ></span> | |
640 | <a name="l00773"></a>00773 <span class="comment">//detail::flipped_left_right_view_fn<typename any_image_view<ViewTypes>::dynamic_step_t></span> | |
641 | <a name="l00774"></a>00774 <span class="comment">//detail::tranposed_view_fn<typename any_image_view<ViewTypes>::dynamic_step_t></span> | |
642 | <a name="l00775"></a>00775 <span class="comment">//detail::rotated90cw_view_fn<typename any_image_view<ViewTypes>::dynamic_step_t></span> | |
643 | <a name="l00776"></a>00776 <span class="comment">//detail::rotated90ccw_view_fn<typename any_image_view<ViewTypes>::dynamic_step_t></span> | |
644 | <a name="l00777"></a>00777 <span class="comment">//detail::rotated180_view_fn<typename any_image_view<ViewTypes>::dynamic_step_t></span> | |
645 | <a name="l00778"></a>00778 <span class="comment">//detail::subimage_view_fn<any_image_view<ViewTypes> ></span> | |
646 | <a name="l00779"></a>00779 <span class="comment">//detail::subsampled_view_fn<typename any_image_view<ViewTypes>::dynamic_step_t></span> | |
647 | <a name="l00780"></a>00780 <span class="comment">//detail::nth_channel_view_fn<typename nth_channel_view_type<any_image_view<ViewTypes> ></span> | |
648 | <a name="l00781"></a>00781 <span class="comment">//detail::color_converted_view_fn<DstP,typename color_convert_view_type<any_image_view<ViewTypes>, DstP>::type ></span> | |
649 | <a name="l00782"></a>00782 } | |
650 | <a name="l00783"></a>00783 | |
651 | <a name="l00784"></a>00784 } } <span class="comment">// namespace boost::gil</span> | |
652 | <a name="l00785"></a>00785 | |
653 | <a name="l00786"></a>00786 <span class="preprocessor">#endif // GIL_REDUCE_CODE_BLOAT</span> | |
654 | <a name="l00787"></a>00787 <span class="preprocessor"></span> | |
655 | <a name="l00788"></a>00788 | |
656 | <a name="l00789"></a>00789 <span class="preprocessor">#endif</span> | |
657 | </pre></div></div> | |
658 | <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:15 2009 for Generic Image Library by | |
659 | <a href="http://www.doxygen.org/index.html"> | |
660 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> | |
661 | </body> | |
662 | </html> |