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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>
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>