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3 Distributed under the Boost Software License, Version 1.0.
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9 Copyright 2005-2007 Adobe Systems Incorporated
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22 <TITLE>Generic Image Library: algorithm.hpp Source File
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40 <div class=
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41 <h1>algorithm.hpp
</h1><a href=
"algorithm_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
51 <a name=
"l00011"></a>00011
52 <a name=
"l00012"></a>00012 <span class=
"comment">/*************************************************************************************************/
</span>
53 <a name=
"l00013"></a>00013
54 <a name=
"l00014"></a>00014 <span class=
"preprocessor">#ifndef GIL_ALGORITHM_HPP
</span>
55 <a name=
"l00015"></a>00015 <span class=
"preprocessor"></span><span class=
"preprocessor">#define GIL_ALGORITHM_HPP
</span>
56 <a name=
"l00016"></a>00016 <span class=
"preprocessor"></span>
57 <a name=
"l00017"></a>00017 <span class=
"preprocessor">#include
<cassert
></span>
58 <a name=
"l00018"></a>00018 <span class=
"preprocessor">#include
<cstddef
></span>
59 <a name=
"l00019"></a>00019 <span class=
"preprocessor">#include
<cstring
></span>
60 <a name=
"l00020"></a>00020 <span class=
"preprocessor">#include
<algorithm
></span>
61 <a name=
"l00021"></a>00021 <span class=
"preprocessor">#include
<iterator
></span>
62 <a name=
"l00022"></a>00022 <span class=
"preprocessor">#include
<memory
></span>
63 <a name=
"l00023"></a>00023 <span class=
"preprocessor">#include
<typeinfo
></span>
64 <a name=
"l00024"></a>00024 <span class=
"preprocessor">#include
"<a class="code
" href="g_i_l_0094.html
" title="GIL configuration file.
">gil_config.hpp</a>"</span>
65 <a name=
"l00025"></a>00025 <span class=
"preprocessor">#include
"<a class="code
" href="g_i_l_0092.html
" title="Concept check classes for GIL concepts.
">gil_concept.hpp</a>"</span>
66 <a name=
"l00026"></a>00026 <span class=
"preprocessor">#include
"<a class="code
" href="g_i_l_0069.html
" title="pixel related algorithms
">color_base_algorithm.hpp</a>"</span>
67 <a name=
"l00027"></a>00027 <span class=
"preprocessor">#include
"<a class="code
" href="g_i_l_0225.html
" title="image view class
">image_view.hpp</a>"</span>
68 <a name=
"l00028"></a>00028 <span class=
"preprocessor">#include
"<a class="code
" href="g_i_l_0227.html
" title="Methods for constructing image views from raw data or other image views /.
">image_view_factory.hpp</a>"</span>
69 <a name=
"l00029"></a>00029 <span class=
"preprocessor">#include
"<a class="code
" href="g_i_l_0011.html
" title="A model of a heterogeneous pixel that is not byte aligned. Examples are bitmap (
1-bit...
">bit_aligned_pixel_iterator.hpp</a>"</span>
70 <a name=
"l00030"></a>00030
71 <a name=
"l00039"></a>00039
72 <a name=
"l00040"></a>00040 <span class=
"comment">//#ifdef _MSC_VER
</span>
73 <a name=
"l00041"></a>00041 <span class=
"comment">//#pragma warning(push)
</span>
74 <a name=
"l00042"></a>00042 <span class=
"comment">//#pragma warning(disable :
4244) // conversion from 'gil::image
<V,Alloc
>::coord_t' to 'int', possible loss of data (visual studio compiler doesn't realize that the two types are the same)
</span>
75 <a name=
"l00043"></a>00043 <span class=
"comment">//#endif
</span>
76 <a name=
"l00044"></a>00044
77 <a name=
"l00045"></a><a class=
"code" href=
"namespaceboost.html">00045</a> <span class=
"keyword">namespace
</span>boost {
<span class=
"keyword">namespace
</span>gil {
78 <a name=
"l00046"></a>00046
79 <a name=
"l00047"></a>00047 <span class=
"comment">//forward declarations
</span>
80 <a name=
"l00048"></a>00048 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> ChannelPtr,
<span class=
"keyword">typename
</span> ColorSpace
>
81 <a name=
"l00049"></a>00049 <span class=
"keyword">struct
</span>planar_pixel_iterator;
82 <a name=
"l00050"></a>00050 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> Iterator
>
83 <a name=
"l00051"></a>00051 <span class=
"keyword">class
</span>memory_based_step_iterator;
84 <a name=
"l00052"></a>00052 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> StepIterator
>
85 <a name=
"l00053"></a>00053 <span class=
"keyword">class
</span>memory_based_2d_locator;
86 <a name=
"l00054"></a>00054
87 <a name=
"l00055"></a>00055 <span class=
"comment">// a tag denoting incompatible arguments
</span>
88 <a name=
"l00056"></a>00056 <span class=
"keyword">struct
</span>error_t {};
89 <a name=
"l00057"></a>00057
90 <a name=
"l00082"></a>00082
91 <a name=
"l00083"></a>00083
92 <a name=
"l00087"></a>00087
93 <a name=
"l00096"></a>00096 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> Derived,
<span class=
"keyword">typename
</span> Result=
<span class=
"keywordtype">void
</span>>
94 <a name=
"l00097"></a><a class=
"code" href=
"g_i_l_0387.html">00097</a> <span class=
"keyword">struct
</span><a class=
"code" href=
"g_i_l_0387.html" title=
"A generic binary operation on viewsUse this class as a convenience superclass when...">binary_operation_obj
</a> {
95 <a name=
"l00098"></a>00098 <span class=
"keyword">typedef
</span> Result result_type;
96 <a name=
"l00099"></a>00099
97 <a name=
"l00100"></a>00100 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V1,
<span class=
"keyword">typename
</span> V2
> GIL_FORCEINLINE
98 <a name=
"l00101"></a>00101 result_type operator()(
<span class=
"keyword">const
</span> std::pair
<const V1*,const V2*
>& p)
<span class=
"keyword"> const
</span>{
99 <a name=
"l00102"></a>00102 <span class=
"keywordflow">return
</span> apply(*p.first, *p.second,
<span class=
"keyword">typename
</span> <a class=
"code" href=
"g_i_l_0636.html" title=
"Returns whether two views are compatible.">views_are_compatible
<V1,V2
>::type
</a>());
100 <a name=
"l00103"></a>00103 }
101 <a name=
"l00104"></a>00104
102 <a name=
"l00105"></a>00105 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V1,
<span class=
"keyword">typename
</span> V2
> GIL_FORCEINLINE
103 <a name=
"l00106"></a>00106 result_type operator()(
<span class=
"keyword">const
</span> V1
& v1,
<span class=
"keyword">const
</span> V2
& v2)
<span class=
"keyword"> const
</span>{
104 <a name=
"l00107"></a>00107 <span class=
"keywordflow">return
</span> apply(v1, v2,
<span class=
"keyword">typename
</span> <a class=
"code" href=
"g_i_l_0636.html" title=
"Returns whether two views are compatible.">views_are_compatible
<V1,V2
>::type
</a>());
105 <a name=
"l00108"></a>00108 }
106 <a name=
"l00109"></a>00109
107 <a name=
"l00110"></a>00110 result_type operator()(
<span class=
"keyword">const
</span> error_t
&)
<span class=
"keyword"> const
</span>{
<span class=
"keywordflow">throw
</span> std::bad_cast(); }
108 <a name=
"l00111"></a>00111 <span class=
"keyword">private
</span>:
109 <a name=
"l00112"></a>00112
110 <a name=
"l00113"></a>00113 <span class=
"comment">// dispatch from apply overload to a function with distinct name
</span>
111 <a name=
"l00114"></a>00114 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V1,
<span class=
"keyword">typename
</span> V2
>
112 <a name=
"l00115"></a>00115 GIL_FORCEINLINE result_type apply(
<span class=
"keyword">const
</span> V1
& v1,
<span class=
"keyword">const
</span> V2
& v2, mpl::false_)
<span class=
"keyword"> const
</span>{
113 <a name=
"l00116"></a>00116 <span class=
"keywordflow">return
</span> ((
<span class=
"keyword">const
</span> Derived*)
<span class=
"keyword">this
</span>)-
>apply_incompatible(v1,v2);
114 <a name=
"l00117"></a>00117 }
115 <a name=
"l00118"></a>00118
116 <a name=
"l00119"></a>00119 <span class=
"comment">// dispatch from apply overload to a function with distinct name
</span>
117 <a name=
"l00120"></a>00120 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V1,
<span class=
"keyword">typename
</span> V2
>
118 <a name=
"l00121"></a>00121 GIL_FORCEINLINE result_type apply(
<span class=
"keyword">const
</span> V1
& v1,
<span class=
"keyword">const
</span> V2
& v2, mpl::true_)
<span class=
"keyword"> const
</span>{
119 <a name=
"l00122"></a>00122 <span class=
"keywordflow">return
</span> ((
<span class=
"keyword">const
</span> Derived*)
<span class=
"keyword">this
</span>)-
>apply_compatible(v1,v2);
120 <a name=
"l00123"></a>00123 }
121 <a name=
"l00124"></a>00124
122 <a name=
"l00125"></a>00125 <span class=
"comment">// function with distinct name - it can be overloaded by subclasses
</span>
123 <a name=
"l00126"></a>00126 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V1,
<span class=
"keyword">typename
</span> V2
>
124 <a name=
"l00127"></a>00127 GIL_FORCEINLINE result_type apply_incompatible(
<span class=
"keyword">const
</span> V1
& v1,
<span class=
"keyword">const
</span> V2
& v2)
<span class=
"keyword"> const
</span>{
125 <a name=
"l00128"></a>00128 <span class=
"keywordflow">throw
</span> std::bad_cast();
126 <a name=
"l00129"></a>00129 }
127 <a name=
"l00130"></a>00130 };
128 <a name=
"l00131"></a>00131 } }
<span class=
"comment">// namespace boost::gil
</span>
129 <a name=
"l00132"></a>00132
130 <a name=
"l00138"></a>00138
131 <a name=
"l00142"></a>00142
132 <a name=
"l00143"></a>00143 <span class=
"keyword">namespace
</span>std {
133 <a name=
"l00144"></a>00144
134 <a name=
"l00147"></a>00147 <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> T,
<span class=
"keyword">typename
</span> Cs
>
135 <a name=
"l00148"></a>00148 GIL_FORCEINLINE
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>*
136 <a name=
"l00149"></a><a class=
"code" href=
"g_i_l_0214.html#gc2faa90ab27d7fb0253d19839c75d341">00149</a> <a class=
"code" href=
"g_i_l_0214.html#g4e8a9e1bb08e76c93dc56a4626231ee1" title=
"Copy when both src and dst are planar pointers is copy for each channel.">copy
</a>(
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>* first,
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>* last,
137 <a name=
"l00150"></a>00150 <a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>* dst) {
138 <a name=
"l00151"></a>00151 <span class=
"keywordflow">return
</span> (
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>*)
<a class=
"code" href=
"g_i_l_0214.html#g4e8a9e1bb08e76c93dc56a4626231ee1" title=
"Copy when both src and dst are planar pointers is copy for each channel.">std::copy
</a>((
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span>*)first,(
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span>*)last, (
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span>*)dst);
139 <a name=
"l00152"></a>00152 }
140 <a name=
"l00153"></a>00153
141 <a name=
"l00156"></a>00156 <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> T,
<span class=
"keyword">typename
</span> Cs
>
142 <a name=
"l00157"></a>00157 GIL_FORCEINLINE
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>*
143 <a name=
"l00158"></a><a class=
"code" href=
"g_i_l_0214.html#g85354afb86367e7d21162317463e8743">00158</a> <a class=
"code" href=
"g_i_l_0214.html#g4e8a9e1bb08e76c93dc56a4626231ee1" title=
"Copy when both src and dst are planar pointers is copy for each channel.">copy
</a>(
<span class=
"keyword">const
</span> <a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>* first,
<span class=
"keyword">const
</span> <a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>* last,
144 <a name=
"l00159"></a>00159 <a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>* dst) {
145 <a name=
"l00160"></a>00160 <span class=
"keywordflow">return
</span> (
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">boost::gil::pixel
<T,Cs
></a>*)
<a class=
"code" href=
"g_i_l_0214.html#g4e8a9e1bb08e76c93dc56a4626231ee1" title=
"Copy when both src and dst are planar pointers is copy for each channel.">std::copy
</a>((
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span>*)first,(
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span>*)last, (
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">char
</span>*)dst);
146 <a name=
"l00161"></a>00161 }
147 <a name=
"l00162"></a>00162 }
<span class=
"comment">// namespace std
</span>
148 <a name=
"l00163"></a>00163
149 <a name=
"l00164"></a>00164 <span class=
"keyword">namespace
</span>boost {
<span class=
"keyword">namespace
</span>gil {
150 <a name=
"l00165"></a>00165 <span class=
"keyword">namespace
</span>detail {
151 <a name=
"l00166"></a>00166 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> I,
<span class=
"keyword">typename
</span> O
> <span class=
"keyword">struct
</span>copy_fn {
152 <a name=
"l00167"></a>00167 GIL_FORCEINLINE I operator()(I first, I last, O dst)
<span class=
"keyword"> const
</span>{
<span class=
"keywordflow">return
</span> <a class=
"code" href=
"g_i_l_0214.html#g4e8a9e1bb08e76c93dc56a4626231ee1" title=
"Copy when both src and dst are planar pointers is copy for each channel.">std::copy
</a>(first,last,dst); }
153 <a name=
"l00168"></a>00168 };
154 <a name=
"l00169"></a>00169 }
<span class=
"comment">// namespace detail
</span>
155 <a name=
"l00170"></a>00170 } }
<span class=
"comment">// namespace boost::gil
</span>
156 <a name=
"l00171"></a>00171
157 <a name=
"l00172"></a>00172 <span class=
"keyword">namespace
</span>std {
158 <a name=
"l00175"></a>00175 <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> Cs,
<span class=
"keyword">typename
</span> IC1,
<span class=
"keyword">typename
</span> IC2
> GIL_FORCEINLINE
159 <a name=
"l00176"></a><a class=
"code" href=
"g_i_l_0214.html#g4e8a9e1bb08e76c93dc56a4626231ee1">00176</a> <a class=
"code" href=
"g_i_l_0609.html" title=
"An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">boost::gil::planar_pixel_iterator
<IC2,Cs
></a> <a class=
"code" href=
"g_i_l_0214.html#g4e8a9e1bb08e76c93dc56a4626231ee1" title=
"Copy when both src and dst are planar pointers is copy for each channel.">copy
</a>(
<a class=
"code" href=
"g_i_l_0609.html" title=
"An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">boost::gil::planar_pixel_iterator
<IC1,Cs
></a> first,
<a class=
"code" href=
"g_i_l_0609.html" title=
"An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">boost::gil::planar_pixel_iterator
<IC1,Cs
></a> last,
<a class=
"code" href=
"g_i_l_0609.html" title=
"An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">boost::gil::planar_pixel_iterator
<IC2,Cs
></a> dst) {
160 <a name=
"l00177"></a>00177 boost::gil::gil_function_requires
<boost::gil::ChannelsCompatibleConcept
<typename std::iterator_traits
<IC1
>::value_type,
<span class=
"keyword">typename
</span> std::iterator_traits
<IC2
>::value_type
> >();
161 <a name=
"l00178"></a>00178 static_for_each(first,last,dst,boost::gil::detail::copy_fn
<IC1,IC2
>());
162 <a name=
"l00179"></a>00179 <span class=
"keywordflow">return
</span> dst+(last-first);
163 <a name=
"l00180"></a>00180 }
164 <a name=
"l00181"></a>00181 }
<span class=
"comment">// namespace std
</span>
165 <a name=
"l00182"></a>00182
166 <a name=
"l00183"></a>00183 <span class=
"keyword">namespace
</span>boost {
<span class=
"keyword">namespace
</span>gil {
167 <a name=
"l00184"></a>00184 <span class=
"keyword">namespace
</span>detail {
168 <a name=
"l00187"></a>00187 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> I,
<span class=
"keyword">typename
</span> O
>
169 <a name=
"l00188"></a><a class=
"code" href=
"g_i_l_0479.html">00188</a> <span class=
"keyword">struct
</span><a class=
"code" href=
"g_i_l_0479.html">copier_n
</a> {
170 <a name=
"l00189"></a>00189 GIL_FORCEINLINE
<span class=
"keywordtype">void
</span> operator()(I src,
<span class=
"keyword">typename
</span> std::iterator_traits
<I
>::difference_type n, O dst)
<span class=
"keyword"> const
</span>{
<a class=
"code" href=
"g_i_l_0214.html#g4e8a9e1bb08e76c93dc56a4626231ee1" title=
"Copy when both src and dst are planar pointers is copy for each channel.">std::copy
</a>(src,src+n, dst); }
171 <a name=
"l00190"></a>00190 };
172 <a name=
"l00191"></a>00191
173 <a name=
"l00193"></a>00193 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> IL,
<span class=
"keyword">typename
</span> O
> <span class=
"comment">// IL Models ConstPixelLocatorConcept, O Models PixelIteratorConcept
</span>
174 <a name=
"l00194"></a><a class=
"code" href=
"g_i_l_0483.html">00194</a> <span class=
"keyword">struct
</span><a class=
"code" href=
"g_i_l_0479.html">copier_n
</a><<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
</a><IL
>,O
> {
175 <a name=
"l00195"></a>00195 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> std::iterator_traits
<iterator_from_2d
<IL
> >::difference_type diff_t;
176 <a name=
"l00196"></a>00196 GIL_FORCEINLINE
<span class=
"keywordtype">void
</span> operator()(
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
<IL
></a> src, diff_t n, O dst)
<span class=
"keyword"> const
</span>{
177 <a name=
"l00197"></a>00197 gil_function_requires
<PixelLocatorConcept
<IL
> >();
178 <a name=
"l00198"></a>00198 gil_function_requires
<MutablePixelIteratorConcept
<O
> >();
179 <a name=
"l00199"></a>00199 <span class=
"keywordflow">while
</span> (n
>0) {
180 <a name=
"l00200"></a>00200 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> <a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
<IL
>::difference_type
</a> diff_t;
181 <a name=
"l00201"></a>00201 diff_t l=src.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()-src.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>();
182 <a name=
"l00202"></a>00202 diff_t numToCopy=(n
<l ? n:l);
183 <a name=
"l00203"></a>00203 detail::copy_n(src.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>(), numToCopy, dst);
184 <a name=
"l00204"></a>00204 dst+=numToCopy;
185 <a name=
"l00205"></a>00205 src+=numToCopy;
186 <a name=
"l00206"></a>00206 n-=numToCopy;
187 <a name=
"l00207"></a>00207 }
188 <a name=
"l00208"></a>00208 }
189 <a name=
"l00209"></a>00209 };
190 <a name=
"l00210"></a>00210
191 <a name=
"l00212"></a>00212 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> I,
<span class=
"keyword">typename
</span> OL
> <span class=
"comment">// I Models ConstPixelIteratorConcept, OL Models PixelLocatorConcept
</span>
192 <a name=
"l00213"></a><a class=
"code" href=
"g_i_l_0481.html">00213</a> <span class=
"keyword">struct
</span><a class=
"code" href=
"g_i_l_0479.html">copier_n
</a><I,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
</a><OL
> > {
193 <a name=
"l00214"></a>00214 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> std::iterator_traits
<I
>::difference_type diff_t;
194 <a name=
"l00215"></a>00215 GIL_FORCEINLINE
<span class=
"keywordtype">void
</span> operator()(I src, diff_t n,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
<OL
></a> dst)
<span class=
"keyword"> const
</span>{
195 <a name=
"l00216"></a>00216 gil_function_requires
<PixelIteratorConcept
<I
> >();
196 <a name=
"l00217"></a>00217 gil_function_requires
<MutablePixelLocatorConcept
<OL
> >();
197 <a name=
"l00218"></a>00218 <span class=
"keywordflow">while
</span> (n
>0) {
198 <a name=
"l00219"></a>00219 diff_t l=dst.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()-dst.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>();
199 <a name=
"l00220"></a>00220 diff_t numToCopy=(n
<l ? n:l);
200 <a name=
"l00221"></a>00221 detail::copy_n(src, numToCopy, dst.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>());
201 <a name=
"l00222"></a>00222 dst+=numToCopy;
202 <a name=
"l00223"></a>00223 src+=numToCopy;
203 <a name=
"l00224"></a>00224 n-=numToCopy;
204 <a name=
"l00225"></a>00225 }
205 <a name=
"l00226"></a>00226 }
206 <a name=
"l00227"></a>00227 };
207 <a name=
"l00228"></a>00228
208 <a name=
"l00230"></a>00230 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> IL,
<span class=
"keyword">typename
</span> OL
>
209 <a name=
"l00231"></a><a class=
"code" href=
"g_i_l_0485.html">00231</a> <span class=
"keyword">struct
</span><a class=
"code" href=
"g_i_l_0479.html">copier_n
</a><<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
</a><IL
>,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
</a><OL
> > {
210 <a name=
"l00232"></a>00232 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> <a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
<IL
>::difference_type
</a> diff_t;
211 <a name=
"l00233"></a>00233 GIL_FORCEINLINE
<span class=
"keywordtype">void
</span> operator()(
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
<IL
></a> src, diff_t n,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
<OL
></a> dst)
<span class=
"keyword"> const
</span>{
212 <a name=
"l00234"></a>00234 gil_function_requires
<PixelLocatorConcept
<IL
> >();
213 <a name=
"l00235"></a>00235 gil_function_requires
<MutablePixelLocatorConcept
<OL
> >();
214 <a name=
"l00236"></a>00236 <span class=
"keywordflow">if
</span> (src.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>()!=dst.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>() || src.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()!=dst.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()) {
215 <a name=
"l00237"></a>00237 <span class=
"keywordflow">while
</span>(n--
>0) {
216 <a name=
"l00238"></a>00238 *dst++=*src++;
217 <a name=
"l00239"></a>00239 }
218 <a name=
"l00240"></a>00240 }
219 <a name=
"l00241"></a>00241 <span class=
"keywordflow">while
</span> (n
>0) {
220 <a name=
"l00242"></a>00242 diff_t l=dst.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()-dst.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>();
221 <a name=
"l00243"></a>00243 diff_t numToCopy=(n
<l ? n : l);
222 <a name=
"l00244"></a>00244 detail::copy_n(src.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>(), numToCopy, dst.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>());
223 <a name=
"l00245"></a>00245 dst+=numToCopy;
224 <a name=
"l00246"></a>00246 src+=numToCopy;
225 <a name=
"l00247"></a>00247 n-=numToCopy;
226 <a name=
"l00248"></a>00248 }
227 <a name=
"l00249"></a>00249 }
228 <a name=
"l00250"></a>00250 };
229 <a name=
"l00251"></a>00251
230 <a name=
"l00252"></a>00252 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> SrcIterator,
<span class=
"keyword">typename
</span> DstIterator
>
231 <a name=
"l00253"></a>00253 GIL_FORCEINLINE DstIterator copy_with_2d_iterators(SrcIterator first, SrcIterator last, DstIterator dst) {
232 <a name=
"l00254"></a>00254 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> SrcIterator::x_iterator src_x_iterator;
233 <a name=
"l00255"></a>00255 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> DstIterator::x_iterator dst_x_iterator;
234 <a name=
"l00256"></a>00256
235 <a name=
"l00257"></a>00257 <span class=
"keyword">typename
</span> SrcIterator::difference_type n = last - first;
236 <a name=
"l00258"></a>00258
237 <a name=
"l00259"></a>00259 <span class=
"keywordflow">if
</span> (first.is_1d_traversable()) {
238 <a name=
"l00260"></a>00260 <span class=
"keywordflow">if
</span> (dst.is_1d_traversable())
239 <a name=
"l00261"></a>00261 <a class=
"code" href=
"g_i_l_0479.html">copier_n
<src_x_iterator,dst_x_iterator
></a>()(first.x(),n, dst.x());
240 <a name=
"l00262"></a>00262 <span class=
"keywordflow">else
</span>
241 <a name=
"l00263"></a>00263 <a class=
"code" href=
"g_i_l_0479.html">copier_n
<src_x_iterator,DstIterator
></a>()(first.x(),n, dst);
242 <a name=
"l00264"></a>00264 }
<span class=
"keywordflow">else
</span> {
243 <a name=
"l00265"></a>00265 <span class=
"keywordflow">if
</span> (dst.is_1d_traversable())
244 <a name=
"l00266"></a>00266 copier_n
<SrcIterator,dst_x_iterator
>()(first,n, dst.x());
245 <a name=
"l00267"></a>00267 <span class=
"keywordflow">else
</span>
246 <a name=
"l00268"></a>00268 copier_n
<SrcIterator,DstIterator
>()(first,n,dst);
247 <a name=
"l00269"></a>00269 }
248 <a name=
"l00270"></a>00270 <span class=
"keywordflow">return
</span> dst+n;
249 <a name=
"l00271"></a>00271 }
250 <a name=
"l00272"></a>00272
251 <a name=
"l00273"></a>00273 }
<span class=
"comment">// namespace detail
</span>
252 <a name=
"l00274"></a>00274 } }
<span class=
"comment">// namespace boost::gil
</span>
253 <a name=
"l00275"></a>00275
254 <a name=
"l00276"></a>00276 <span class=
"keyword">namespace
</span>std {
255 <a name=
"l00279"></a>00279 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> IL,
<span class=
"keyword">typename
</span> OL
>
256 <a name=
"l00280"></a><a class=
"code" href=
"g_i_l_0214.html#g12594bf8bdb7b27c070987a3d30293ba">00280</a> GIL_FORCEINLINE
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<OL
></a> <a class=
"code" href=
"g_i_l_0214.html#g12594bf8bdb7b27c070987a3d30293ba" title=
"std::copy(I1,I1,I2) with I1 and I2 being a iterator_from_2d">copy1
</a>(
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<IL
></a> first,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<IL
></a> last,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<OL
></a> dst) {
257 <a name=
"l00281"></a>00281 <span class=
"keywordflow">return
</span> boost::gil::detail::copy_with_2d_iterators(first,last,dst);
258 <a name=
"l00282"></a>00282 }
259 <a name=
"l00283"></a>00283
260 <a name=
"l00284"></a>00284 }
<span class=
"comment">// namespace std
</span>
261 <a name=
"l00285"></a>00285
262 <a name=
"l00286"></a>00286 <span class=
"keyword">namespace
</span>boost {
<span class=
"keyword">namespace
</span>gil {
263 <a name=
"l00287"></a>00287
264 <a name=
"l00288"></a>00288
265 <a name=
"l00291"></a>00291 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View1,
<span class=
"keyword">typename
</span> View2
> GIL_FORCEINLINE
266 <a name=
"l00292"></a><a class=
"code" href=
"g_i_l_0145.html#g16f18749152217a2b84733c330a2b415">00292</a> <span class=
"keywordtype">void
</span> <a class=
"code" href=
"g_i_l_0145.html#g16f18749152217a2b84733c330a2b415" title=
"std::copy for image views">copy_pixels
</a>(
<span class=
"keyword">const
</span> View1
& src,
<span class=
"keyword">const
</span> View2
& dst) {
267 <a name=
"l00293"></a>00293 assert(src.dimensions()==dst.dimensions());
268 <a name=
"l00294"></a>00294 detail::copy_with_2d_iterators(src.begin(),src.end(),dst.begin());
269 <a name=
"l00295"></a>00295 }
270 <a name=
"l00296"></a>00296
271 <a name=
"l00302"></a>00302
272 <a name=
"l00308"></a>00308
273 <a name=
"l00309"></a>00309 <span class=
"keyword">namespace
</span>detail {
274 <a name=
"l00310"></a>00310 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> CC
>
275 <a name=
"l00311"></a>00311 <span class=
"keyword">class
</span>copy_and_convert_pixels_fn :
<span class=
"keyword">public
</span> binary_operation_obj
<copy_and_convert_pixels_fn
<CC
> > {
276 <a name=
"l00312"></a>00312 <span class=
"keyword">private
</span>:
277 <a name=
"l00313"></a>00313 CC _cc;
278 <a name=
"l00314"></a>00314 <span class=
"keyword">public
</span>:
279 <a name=
"l00315"></a>00315 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> binary_operation_obj
<copy_and_convert_pixels_fn
<CC
> >::result_type result_type;
280 <a name=
"l00316"></a>00316 copy_and_convert_pixels_fn() {}
281 <a name=
"l00317"></a>00317 copy_and_convert_pixels_fn(CC cc_in) : _cc(cc_in) {}
282 <a name=
"l00318"></a>00318 <span class=
"comment">// when the two color spaces are incompatible, a color conversion is performed
</span>
283 <a name=
"l00319"></a>00319 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V1,
<span class=
"keyword">typename
</span> V2
> GIL_FORCEINLINE
284 <a name=
"l00320"></a>00320 result_type apply_incompatible(
<span class=
"keyword">const
</span> V1
& src,
<span class=
"keyword">const
</span> V2
& dst)
<span class=
"keyword"> const
</span>{
285 <a name=
"l00321"></a>00321 <a class=
"code" href=
"g_i_l_0145.html#g16f18749152217a2b84733c330a2b415" title=
"std::copy for image views">copy_pixels
</a>(color_converted_view
<typename V2::value_type
>(src,_cc),dst);
286 <a name=
"l00322"></a>00322 }
287 <a name=
"l00323"></a>00323
288 <a name=
"l00324"></a>00324 <span class=
"comment">// If the two color spaces are compatible, copy_and_convert is just copy
</span>
289 <a name=
"l00325"></a>00325 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V1,
<span class=
"keyword">typename
</span> V2
> GIL_FORCEINLINE
290 <a name=
"l00326"></a>00326 result_type apply_compatible(
<span class=
"keyword">const
</span> V1
& src,
<span class=
"keyword">const
</span> V2
& dst)
<span class=
"keyword"> const
</span>{
291 <a name=
"l00327"></a>00327 <a class=
"code" href=
"g_i_l_0145.html#g16f18749152217a2b84733c330a2b415" title=
"std::copy for image views">copy_pixels
</a>(src,dst);
292 <a name=
"l00328"></a>00328 }
293 <a name=
"l00329"></a>00329 };
294 <a name=
"l00330"></a>00330 }
<span class=
"comment">// namespace detail
</span>
295 <a name=
"l00331"></a>00331
296 <a name=
"l00333"></a>00333 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V1,
<span class=
"keyword">typename
</span> V2,
<span class=
"keyword">typename
</span> CC
>
297 <a name=
"l00334"></a>00334 GIL_FORCEINLINE
298 <a name=
"l00335"></a>00335 <span class=
"keywordtype">void
</span> copy_and_convert_pixels(
<span class=
"keyword">const
</span> V1
& src,
<span class=
"keyword">const
</span> V2
& dst,CC cc) {
299 <a name=
"l00336"></a>00336 detail::copy_and_convert_pixels_fn
<CC
> ccp(cc);
300 <a name=
"l00337"></a>00337 ccp(src,dst);
301 <a name=
"l00338"></a>00338 }
302 <a name=
"l00339"></a>00339
303 <a name=
"l00340"></a>00340 <span class=
"keyword">struct
</span>default_color_converter;
304 <a name=
"l00341"></a>00341
305 <a name=
"l00343"></a>00343 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View1,
<span class=
"keyword">typename
</span> View2
>
306 <a name=
"l00344"></a>00344 GIL_FORCEINLINE
307 <a name=
"l00345"></a>00345 <span class=
"keywordtype">void
</span> copy_and_convert_pixels(
<span class=
"keyword">const
</span> View1
& src,
<span class=
"keyword">const
</span> View2
& dst) {
308 <a name=
"l00346"></a>00346 detail::copy_and_convert_pixels_fn
<default_color_converter
> ccp;
309 <a name=
"l00347"></a>00347 ccp(src,dst);
310 <a name=
"l00348"></a>00348 }
311 <a name=
"l00349"></a>00349
312 <a name=
"l00350"></a>00350 } }
<span class=
"comment">// namespace boost::gil
</span>
313 <a name=
"l00351"></a>00351
314 <a name=
"l00353"></a>00353 <span class=
"comment">//
</span>
315 <a name=
"l00354"></a>00354 <span class=
"comment">// std::fill and gil::fill_pixels
</span>
316 <a name=
"l00355"></a>00355 <span class=
"comment">//
</span>
317 <a name=
"l00357"></a>00357 <span class=
"comment"></span>
318 <a name=
"l00361"></a>00361
319 <a name=
"l00362"></a>00362
320 <a name=
"l00363"></a>00363 <span class=
"keyword">namespace
</span>std {
321 <a name=
"l00372"></a>00372 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> IL,
<span class=
"keyword">typename
</span> V
>
322 <a name=
"l00373"></a><a class=
"code" href=
"g_i_l_0214.html#g718772a47188f4e2ecfce2f28fa3dc4f">00373</a> <span class=
"keywordtype">void
</span> <a class=
"code" href=
"g_i_l_0214.html#g718772a47188f4e2ecfce2f28fa3dc4f" title=
"std::fill(I,I,V) with I being a iterator_from_2d">fill
</a>(
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<IL
></a> first,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<IL
></a> last,
<span class=
"keyword">const
</span> V
& val) {
323 <a name=
"l00374"></a>00374 boost::gil::gil_function_requires
<boost::gil::MutablePixelLocatorConcept
<IL
> >();
324 <a name=
"l00375"></a>00375 <span class=
"keywordflow">if
</span> (first.
<a class=
"code" href=
"g_i_l_0042.html#90ccf75aa2deb01fbce509842191cad2">is_1d_traversable
</a>()) {
325 <a name=
"l00376"></a>00376 <a class=
"code" href=
"g_i_l_0214.html#g718772a47188f4e2ecfce2f28fa3dc4f" title=
"std::fill(I,I,V) with I being a iterator_from_2d">std::fill
</a>(first.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>(), last.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>(), val);
326 <a name=
"l00377"></a>00377 }
<span class=
"keywordflow">else
</span> {
327 <a name=
"l00378"></a>00378 <span class=
"comment">// fill row by row
</span>
328 <a name=
"l00379"></a>00379 std::ptrdiff_t n=last-first;
329 <a name=
"l00380"></a>00380 <span class=
"keywordflow">while
</span> (n
>0) {
330 <a name=
"l00381"></a>00381 std::ptrdiff_t numToDo=std::min
<const std::ptrdiff_t
>(n,(std::ptrdiff_t)(first.width()-first.x_pos()));
331 <a name=
"l00382"></a>00382 fill_n(first.x(), numToDo, val);
332 <a name=
"l00383"></a>00383 first+=numToDo;
333 <a name=
"l00384"></a>00384 n-=numToDo;
334 <a name=
"l00385"></a>00385 }
335 <a name=
"l00386"></a>00386 }
336 <a name=
"l00387"></a>00387 }
337 <a name=
"l00388"></a>00388 }
<span class=
"comment">// namespace std
</span>
338 <a name=
"l00389"></a>00389
339 <a name=
"l00390"></a>00390 <span class=
"keyword">namespace
</span>boost {
<span class=
"keyword">namespace
</span>gil {
340 <a name=
"l00391"></a>00391
341 <a name=
"l00392"></a>00392 <span class=
"keyword">namespace
</span>detail {
342 <a name=
"l00394"></a><a class=
"code" href=
"g_i_l_0521.html">00394</a> <span class=
"keyword">struct
</span><a class=
"code" href=
"g_i_l_0521.html" title=
"struct to do std::fill">std_fill_t
</a> {
343 <a name=
"l00395"></a>00395 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It,
<span class=
"keyword">typename
</span> P
>
344 <a name=
"l00396"></a>00396 <span class=
"keywordtype">void
</span> operator()(It first, It last,
<span class=
"keyword">const
</span> P
& p_in) {
345 <a name=
"l00397"></a>00397 <a class=
"code" href=
"g_i_l_0214.html#g718772a47188f4e2ecfce2f28fa3dc4f" title=
"std::fill(I,I,V) with I being a iterator_from_2d">std::fill
</a>(first,last,p_in);
346 <a name=
"l00398"></a>00398 }
347 <a name=
"l00399"></a>00399 };
348 <a name=
"l00401"></a>00401 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It,
<span class=
"keyword">typename
</span> P
>
349 <a name=
"l00402"></a>00402 GIL_FORCEINLINE
350 <a name=
"l00403"></a>00403 <span class=
"keywordtype">void
</span> fill_aux(It first, It last,
<span class=
"keyword">const
</span> P
& p, mpl::true_) {
351 <a name=
"l00404"></a>00404 static_for_each(first,last,p,
<a class=
"code" href=
"g_i_l_0521.html" title=
"struct to do std::fill">std_fill_t
</a>());
352 <a name=
"l00405"></a>00405 }
353 <a name=
"l00407"></a>00407 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It,
<span class=
"keyword">typename
</span> P
>
354 <a name=
"l00408"></a>00408 GIL_FORCEINLINE
355 <a name=
"l00409"></a>00409 <span class=
"keywordtype">void
</span> fill_aux(It first, It last,
<span class=
"keyword">const
</span> P
& p,mpl::false_) {
356 <a name=
"l00410"></a>00410 <a class=
"code" href=
"g_i_l_0214.html#g718772a47188f4e2ecfce2f28fa3dc4f" title=
"std::fill(I,I,V) with I being a iterator_from_2d">std::fill
</a>(first,last,p);
357 <a name=
"l00411"></a>00411 }
358 <a name=
"l00412"></a>00412 }
<span class=
"comment">// namespace detail
</span>
359 <a name=
"l00413"></a>00413
360 <a name=
"l00416"></a>00416 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View,
<span class=
"keyword">typename
</span> Value
> GIL_FORCEINLINE
361 <a name=
"l00417"></a><a class=
"code" href=
"g_i_l_0149.html#g3b28c66102763fd1d42f69e4eefa631f">00417</a> <span class=
"keywordtype">void
</span> <a class=
"code" href=
"g_i_l_0149.html#gd38040bb50f5ea498151dd846d4d7873" title=
"fill_pixels for any image view. The pixel to fill with must be compatible with the...">fill_pixels
</a>(
<span class=
"keyword">const
</span> View
& img_view,
<span class=
"keyword">const
</span> Value
& val) {
362 <a name=
"l00418"></a>00418 <span class=
"keywordflow">if
</span> (img_view.is_1d_traversable())
363 <a name=
"l00419"></a>00419 detail::fill_aux(img_view.begin().x(), img_view.end().x(),
364 <a name=
"l00420"></a>00420 val,is_planar
<View
>());
365 <a name=
"l00421"></a>00421 <span class=
"keywordflow">else
</span>
366 <a name=
"l00422"></a>00422 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<img_view.height(); ++y)
367 <a name=
"l00423"></a>00423 detail::fill_aux(img_view.row_begin(y),img_view.row_end(y),
368 <a name=
"l00424"></a>00424 val,is_planar
<View
>());
369 <a name=
"l00425"></a>00425 }
370 <a name=
"l00426"></a>00426
371 <a name=
"l00432"></a>00432
372 <a name=
"l00436"></a>00436
373 <a name=
"l00437"></a>00437
374 <a name=
"l00438"></a>00438 <span class=
"keyword">namespace
</span>detail {
375 <a name=
"l00439"></a>00439
376 <a name=
"l00440"></a>00440 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
> GIL_FORCEINLINE
377 <a name=
"l00441"></a>00441 <span class=
"keywordtype">void
</span> destruct_range_impl(It first, It last, mpl::true_) {
378 <a name=
"l00442"></a>00442 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> std::iterator_traits
<It
>::value_type value_t;
379 <a name=
"l00443"></a>00443 <span class=
"keywordflow">if
</span> (boost::has_trivial_destructor
<value_t
>::value)
380 <a name=
"l00444"></a>00444 <span class=
"keywordflow">return
</span>;
381 <a name=
"l00445"></a>00445 <span class=
"keywordflow">while
</span> (first!=last) {
382 <a name=
"l00446"></a>00446 first-
>~value_t();
383 <a name=
"l00447"></a>00447 ++first;
384 <a name=
"l00448"></a>00448 }
385 <a name=
"l00449"></a>00449 }
386 <a name=
"l00450"></a>00450 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
> GIL_FORCEINLINE
387 <a name=
"l00451"></a>00451 <span class=
"keywordtype">void
</span> destruct_range_impl(It first, It last, mpl::false_) {}
388 <a name=
"l00452"></a>00452
389 <a name=
"l00453"></a>00453 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
> GIL_FORCEINLINE
390 <a name=
"l00454"></a>00454 <span class=
"keywordtype">void
</span> destruct_range(It first, It last) {
391 <a name=
"l00455"></a>00455 destruct_range_impl(first,last,
<span class=
"keyword">typename
</span> is_pointer
<It
>::type());
392 <a name=
"l00456"></a>00456 }
393 <a name=
"l00457"></a>00457
394 <a name=
"l00458"></a>00458 <span class=
"keyword">struct
</span>std_destruct_t {
395 <a name=
"l00459"></a>00459 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
> <span class=
"keywordtype">void
</span> operator()(It first, It last)
<span class=
"keyword"> const
</span>{ destruct_range(first,last); }
396 <a name=
"l00460"></a>00460 };
397 <a name=
"l00461"></a>00461
398 <a name=
"l00463"></a>00463 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
>
399 <a name=
"l00464"></a>00464 GIL_FORCEINLINE
400 <a name=
"l00465"></a>00465 <span class=
"keywordtype">void
</span> destruct_aux(It first, It last, mpl::true_) {
401 <a name=
"l00466"></a>00466 static_for_each(first,last,std_destruct_t());
402 <a name=
"l00467"></a>00467 }
403 <a name=
"l00469"></a>00469 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
>
404 <a name=
"l00470"></a>00470 GIL_FORCEINLINE
405 <a name=
"l00471"></a>00471 <span class=
"keywordtype">void
</span> destruct_aux(It first, It last, mpl::false_) {
406 <a name=
"l00472"></a>00472 destruct_range(first,last);
407 <a name=
"l00473"></a>00473 }
408 <a name=
"l00474"></a>00474
409 <a name=
"l00475"></a>00475 }
<span class=
"comment">// namespace detail
</span>
410 <a name=
"l00476"></a>00476
411 <a name=
"l00479"></a>00479 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View
> GIL_FORCEINLINE
412 <a name=
"l00480"></a><a class=
"code" href=
"g_i_l_0147.html#g5c465a97a10e15d9ce18a3c2fff7f91d">00480</a> <span class=
"keywordtype">void
</span> <a class=
"code" href=
"g_i_l_0147.html#g5c465a97a10e15d9ce18a3c2fff7f91d" title=
"Invokes the in-place destructor on every pixel of the view.">destruct_pixels
</a>(
<span class=
"keyword">const
</span> View
& img_view) {
413 <a name=
"l00481"></a>00481 <span class=
"keywordflow">if
</span> (img_view.is_1d_traversable())
414 <a name=
"l00482"></a>00482 detail::destruct_aux(img_view.begin().x(), img_view.end().x(),
415 <a name=
"l00483"></a>00483 is_planar
<View
>());
416 <a name=
"l00484"></a>00484 <span class=
"keywordflow">else
</span>
417 <a name=
"l00485"></a>00485 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<img_view.height(); ++y)
418 <a name=
"l00486"></a>00486 detail::destruct_aux(img_view.row_begin(y),img_view.row_end(y),
419 <a name=
"l00487"></a>00487 is_planar
<View
>());
420 <a name=
"l00488"></a>00488 }
421 <a name=
"l00489"></a>00489
422 <a name=
"l00495"></a>00495
423 <a name=
"l00499"></a>00499
424 <a name=
"l00500"></a>00500
425 <a name=
"l00501"></a>00501 <span class=
"keyword">namespace
</span>detail {
426 <a name=
"l00502"></a>00502
427 <a name=
"l00505"></a>00505 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It,
<span class=
"keyword">typename
</span> P
>
428 <a name=
"l00506"></a>00506 GIL_FORCEINLINE
429 <a name=
"l00507"></a>00507 <span class=
"keywordtype">void
</span> uninitialized_fill_aux(It first, It last,
430 <a name=
"l00508"></a>00508 <span class=
"keyword">const
</span> P
& p, mpl::true_) {
431 <a name=
"l00509"></a>00509 <span class=
"keywordtype">int
</span> channel=
0;
432 <a name=
"l00510"></a>00510 <span class=
"keywordflow">try
</span> {
433 <a name=
"l00511"></a>00511 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> std::iterator_traits
<It
>::value_type pixel_t;
434 <a name=
"l00512"></a>00512 <span class=
"keywordflow">while
</span> (channel
< num_channels
<pixel_t
>::value) {
435 <a name=
"l00513"></a>00513 std::uninitialized_fill(dynamic_at_c(first,channel), dynamic_at_c(last,channel),
436 <a name=
"l00514"></a>00514 dynamic_at_c(p,channel));
437 <a name=
"l00515"></a>00515 ++channel;
438 <a name=
"l00516"></a>00516 }
439 <a name=
"l00517"></a>00517 }
<span class=
"keywordflow">catch
</span> (...) {
440 <a name=
"l00518"></a>00518 <span class=
"keywordflow">for
</span> (
<span class=
"keywordtype">int
</span> c=
0; c
<channel; ++c)
441 <a name=
"l00519"></a>00519 destruct_range(dynamic_at_c(first,c), dynamic_at_c(last,c));
442 <a name=
"l00520"></a>00520 <span class=
"keywordflow">throw
</span>;
443 <a name=
"l00521"></a>00521 }
444 <a name=
"l00522"></a>00522 }
445 <a name=
"l00523"></a>00523
446 <a name=
"l00526"></a>00526 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It,
<span class=
"keyword">typename
</span> P
>
447 <a name=
"l00527"></a>00527 GIL_FORCEINLINE
448 <a name=
"l00528"></a>00528 <span class=
"keywordtype">void
</span> uninitialized_fill_aux(It first, It last,
449 <a name=
"l00529"></a>00529 <span class=
"keyword">const
</span> P
& p,mpl::false_) {
450 <a name=
"l00530"></a>00530 std::uninitialized_fill(first,last,p);
451 <a name=
"l00531"></a>00531 }
452 <a name=
"l00532"></a>00532
453 <a name=
"l00533"></a>00533 }
<span class=
"comment">// namespace detail
</span>
454 <a name=
"l00534"></a>00534
455 <a name=
"l00539"></a>00539 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View,
<span class=
"keyword">typename
</span> Value
>
456 <a name=
"l00540"></a><a class=
"code" href=
"g_i_l_0156.html#g4f5edbc3fe6b776c6aa1939902333cf3">00540</a> <span class=
"keywordtype">void
</span> <a class=
"code" href=
"g_i_l_0156.html#g4f5edbc3fe6b776c6aa1939902333cf3" title=
"std::uninitialized_fill for image views. Does not support planar heterogeneous views...">uninitialized_fill_pixels
</a>(
<span class=
"keyword">const
</span> View
& img_view,
<span class=
"keyword">const
</span> Value
& val) {
457 <a name=
"l00541"></a>00541 <span class=
"keywordflow">if
</span> (img_view.is_1d_traversable())
458 <a name=
"l00542"></a>00542 detail::uninitialized_fill_aux(img_view.begin().x(), img_view.end().x(),
459 <a name=
"l00543"></a>00543 val,is_planar
<View
>());
460 <a name=
"l00544"></a>00544 <span class=
"keywordflow">else
</span> {
461 <a name=
"l00545"></a>00545 <span class=
"keyword">typename
</span> View::y_coord_t y;
462 <a name=
"l00546"></a>00546 <span class=
"keywordflow">try
</span> {
463 <a name=
"l00547"></a>00547 <span class=
"keywordflow">for
</span> (y=
0; y
<img_view.height(); ++y)
464 <a name=
"l00548"></a>00548 detail::uninitialized_fill_aux(img_view.row_begin(y),img_view.row_end(y),
465 <a name=
"l00549"></a>00549 val,is_planar
<View
>());
466 <a name=
"l00550"></a>00550 }
<span class=
"keywordflow">catch
</span>(...) {
467 <a name=
"l00551"></a>00551 <span class=
"keywordflow">for
</span> (
<span class=
"keyword">typename
</span> View::y_coord_t y0=
0; y0
<y; ++y0)
468 <a name=
"l00552"></a>00552 detail::destruct_aux(img_view.row_begin(y0),img_view.row_end(y0), is_planar
<View
>());
469 <a name=
"l00553"></a>00553 <span class=
"keywordflow">throw
</span>;
470 <a name=
"l00554"></a>00554 }
471 <a name=
"l00555"></a>00555 }
472 <a name=
"l00556"></a>00556 }
473 <a name=
"l00557"></a>00557
474 <a name=
"l00563"></a>00563
475 <a name=
"l00567"></a>00567
476 <a name=
"l00568"></a>00568 <span class=
"keyword">namespace
</span>detail {
477 <a name=
"l00569"></a>00569
478 <a name=
"l00570"></a>00570 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
> GIL_FORCEINLINE
479 <a name=
"l00571"></a>00571 <span class=
"keywordtype">void
</span> default_construct_range_impl(It first, It last, mpl::true_) {
480 <a name=
"l00572"></a>00572 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> std::iterator_traits
<It
>::value_type value_t;
481 <a name=
"l00573"></a>00573 It first1=first;
482 <a name=
"l00574"></a>00574 <span class=
"keywordflow">try
</span> {
483 <a name=
"l00575"></a>00575 <span class=
"keywordflow">while
</span> (first!=last) {
484 <a name=
"l00576"></a>00576 <span class=
"keyword">new
</span> (first) value_t();
485 <a name=
"l00577"></a>00577 ++first;
486 <a name=
"l00578"></a>00578 }
487 <a name=
"l00579"></a>00579 }
<span class=
"keywordflow">catch
</span> (...) {
488 <a name=
"l00580"></a>00580 destruct_range(first1,first);
489 <a name=
"l00581"></a>00581 <span class=
"keywordflow">throw
</span>;
490 <a name=
"l00582"></a>00582 }
491 <a name=
"l00583"></a>00583 }
492 <a name=
"l00584"></a>00584
493 <a name=
"l00585"></a>00585 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
> GIL_FORCEINLINE
494 <a name=
"l00586"></a>00586 <span class=
"keywordtype">void
</span> default_construct_range_impl(It first, It last, mpl::false_) {}
495 <a name=
"l00587"></a>00587
496 <a name=
"l00588"></a>00588 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
> GIL_FORCEINLINE
497 <a name=
"l00589"></a>00589 <span class=
"keywordtype">void
</span> default_construct_range(It first, It last) { default_construct_range_impl(first, last,
<span class=
"keyword">typename
</span> is_pointer
<It
>::type()); }
498 <a name=
"l00590"></a>00590
499 <a name=
"l00592"></a>00592 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
>
500 <a name=
"l00593"></a>00593 GIL_FORCEINLINE
501 <a name=
"l00594"></a>00594 <span class=
"keywordtype">void
</span> default_construct_aux(It first, It last, mpl::true_) {
502 <a name=
"l00595"></a>00595 <span class=
"keywordtype">int
</span> channel=
0;
503 <a name=
"l00596"></a>00596 <span class=
"keywordflow">try
</span> {
504 <a name=
"l00597"></a>00597 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> std::iterator_traits
<It
>::value_type pixel_t;
505 <a name=
"l00598"></a>00598 <span class=
"keywordflow">while
</span> (channel
< num_channels
<pixel_t
>::value) {
506 <a name=
"l00599"></a>00599 default_construct_range(dynamic_at_c(first,channel), dynamic_at_c(last,channel));
507 <a name=
"l00600"></a>00600 ++channel;
508 <a name=
"l00601"></a>00601 }
509 <a name=
"l00602"></a>00602 }
<span class=
"keywordflow">catch
</span> (...) {
510 <a name=
"l00603"></a>00603 <span class=
"keywordflow">for
</span> (
<span class=
"keywordtype">int
</span> c=
0; c
<channel; ++c)
511 <a name=
"l00604"></a>00604 destruct_range(dynamic_at_c(first,c), dynamic_at_c(last,c));
512 <a name=
"l00605"></a>00605 <span class=
"keywordflow">throw
</span>;
513 <a name=
"l00606"></a>00606 }
514 <a name=
"l00607"></a>00607 }
515 <a name=
"l00608"></a>00608
516 <a name=
"l00610"></a>00610 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It
>
517 <a name=
"l00611"></a>00611 GIL_FORCEINLINE
518 <a name=
"l00612"></a>00612 <span class=
"keywordtype">void
</span> default_construct_aux(It first, It last, mpl::false_) {
519 <a name=
"l00613"></a>00613 default_construct_range(first,last);
520 <a name=
"l00614"></a>00614 }
521 <a name=
"l00615"></a>00615
522 <a name=
"l00616"></a>00616 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View,
<span class=
"keywordtype">bool
</span> IsPlanar
>
523 <a name=
"l00617"></a>00617 <span class=
"keyword">struct
</span>has_trivial_pixel_constructor :
<span class=
"keyword">public
</span> boost::has_trivial_constructor
<typename View::value_type
> {};
524 <a name=
"l00618"></a>00618 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View
>
525 <a name=
"l00619"></a>00619 <span class=
"keyword">struct
</span>has_trivial_pixel_constructor
<View, true
> :
<span class=
"keyword">public
</span> boost::has_trivial_constructor
<typename channel_type
<View
>::type
> {};
526 <a name=
"l00620"></a>00620
527 <a name=
"l00621"></a>00621 }
<span class=
"comment">// namespace detail
</span>
528 <a name=
"l00622"></a>00622
529 <a name=
"l00627"></a>00627 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View
>
530 <a name=
"l00628"></a><a class=
"code" href=
"g_i_l_0146.html#g523e1cfd5c8023f14055cb52489431c8">00628</a> <span class=
"keywordtype">void
</span> <a class=
"code" href=
"g_i_l_0146.html#g523e1cfd5c8023f14055cb52489431c8" title=
"Invokes the in-place default constructor on every pixel of the (uninitialized) view...">default_construct_pixels
</a>(
<span class=
"keyword">const
</span> View
& img_view) {
531 <a name=
"l00629"></a>00629 <span class=
"keywordflow">if
</span> (detail::has_trivial_pixel_constructor
<View, is_planar
<View
>::value
>::value)
532 <a name=
"l00630"></a>00630 <span class=
"keywordflow">return
</span>;
533 <a name=
"l00631"></a>00631
534 <a name=
"l00632"></a>00632 <span class=
"keywordflow">if
</span> (img_view.is_1d_traversable())
535 <a name=
"l00633"></a>00633 detail::default_construct_aux(img_view.begin().x(), img_view.end().x(), is_planar
<View
>());
536 <a name=
"l00634"></a>00634 <span class=
"keywordflow">else
</span> {
537 <a name=
"l00635"></a>00635 <span class=
"keyword">typename
</span> View::y_coord_t y;
538 <a name=
"l00636"></a>00636 <span class=
"keywordflow">try
</span> {
539 <a name=
"l00637"></a>00637 <span class=
"keywordflow">for
</span> (y=
0; y
<img_view.height(); ++y)
540 <a name=
"l00638"></a>00638 detail::default_construct_aux(img_view.row_begin(y),img_view.row_end(y), is_planar
<View
>());
541 <a name=
"l00639"></a>00639 }
<span class=
"keywordflow">catch
</span>(...) {
542 <a name=
"l00640"></a>00640 <span class=
"keywordflow">for
</span> (
<span class=
"keyword">typename
</span> View::y_coord_t y0=
0; y0
<y; ++y0)
543 <a name=
"l00641"></a>00641 detail::destruct_aux(img_view.row_begin(y0),img_view.row_end(y0), is_planar
<View
>());
544 <a name=
"l00642"></a>00642 <span class=
"keywordflow">throw
</span>;
545 <a name=
"l00643"></a>00643 }
546 <a name=
"l00644"></a>00644 }
547 <a name=
"l00645"></a>00645 }
548 <a name=
"l00646"></a>00646
549 <a name=
"l00647"></a>00647
550 <a name=
"l00653"></a>00653
551 <a name=
"l00657"></a>00657
552 <a name=
"l00658"></a>00658 <span class=
"keyword">namespace
</span>detail {
553 <a name=
"l00659"></a>00659
554 <a name=
"l00661"></a>00661 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It1,
<span class=
"keyword">typename
</span> It2
>
555 <a name=
"l00662"></a>00662 GIL_FORCEINLINE
556 <a name=
"l00663"></a>00663 <span class=
"keywordtype">void
</span> uninitialized_copy_aux(It1 first1, It1 last1,
557 <a name=
"l00664"></a>00664 It2 first2, mpl::true_) {
558 <a name=
"l00665"></a>00665 <span class=
"keywordtype">int
</span> channel=
0;
559 <a name=
"l00666"></a>00666 <span class=
"keywordflow">try
</span> {
560 <a name=
"l00667"></a>00667 <span class=
"keyword">typedef
</span> <span class=
"keyword">typename
</span> std::iterator_traits
<It1
>::value_type pixel_t;
561 <a name=
"l00668"></a>00668 <span class=
"keywordflow">while
</span> (channel
< num_channels
<pixel_t
>::value) {
562 <a name=
"l00669"></a>00669 std::uninitialized_copy(dynamic_at_c(first1,channel), dynamic_at_c(last1,channel), dynamic_at_c(first2,channel));
563 <a name=
"l00670"></a>00670 ++channel;
564 <a name=
"l00671"></a>00671 }
565 <a name=
"l00672"></a>00672 }
<span class=
"keywordflow">catch
</span> (...) {
566 <a name=
"l00673"></a>00673 It2 last2=first2;
567 <a name=
"l00674"></a>00674 std::advance(last2, std::distance(first1,last1));
568 <a name=
"l00675"></a>00675 <span class=
"keywordflow">for
</span> (
<span class=
"keywordtype">int
</span> c=
0; c
<channel; ++c)
569 <a name=
"l00676"></a>00676 destruct_range(dynamic_at_c(first2,c), dynamic_at_c(last2,c));
570 <a name=
"l00677"></a>00677 <span class=
"keywordflow">throw
</span>;
571 <a name=
"l00678"></a>00678 }
572 <a name=
"l00679"></a>00679 }
573 <a name=
"l00681"></a>00681 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> It1,
<span class=
"keyword">typename
</span> It2
>
574 <a name=
"l00682"></a>00682 GIL_FORCEINLINE
575 <a name=
"l00683"></a>00683 <span class=
"keywordtype">void
</span> uninitialized_copy_aux(It1 first1, It1 last1,
576 <a name=
"l00684"></a>00684 It2 first2,mpl::false_) {
577 <a name=
"l00685"></a>00685 std::uninitialized_copy(first1,last1,first2);
578 <a name=
"l00686"></a>00686 }
579 <a name=
"l00687"></a>00687 }
<span class=
"comment">// namespace detail
</span>
580 <a name=
"l00688"></a>00688
581 <a name=
"l00693"></a>00693 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View1,
<span class=
"keyword">typename
</span> View2
>
582 <a name=
"l00694"></a><a class=
"code" href=
"g_i_l_0155.html#ge33d703beb3b085809b3b3ca64cc8906">00694</a> <span class=
"keywordtype">void
</span> <a class=
"code" href=
"g_i_l_0155.html#ge33d703beb3b085809b3b3ca64cc8906" title=
"std::uninitialized_copy for image views. Does not support planar heterogeneous views...">uninitialized_copy_pixels
</a>(
<span class=
"keyword">const
</span> View1
& view1,
<span class=
"keyword">const
</span> View2
& view2) {
583 <a name=
"l00695"></a>00695 <span class=
"keyword">typedef
</span> mpl::bool_
<is_planar
<View1
>::value
&& is_planar
<View2
>::value
> is_planar;
584 <a name=
"l00696"></a>00696 assert(view1.dimensions()==view2.dimensions());
585 <a name=
"l00697"></a>00697 <span class=
"keywordflow">if
</span> (view1.is_1d_traversable()
&& view2.is_1d_traversable())
586 <a name=
"l00698"></a>00698 detail::uninitialized_copy_aux(view1.begin().x(), view1.end().x(),
587 <a name=
"l00699"></a>00699 view2.begin().x(),
588 <a name=
"l00700"></a>00700 is_planar());
589 <a name=
"l00701"></a>00701 <span class=
"keywordflow">else
</span> {
590 <a name=
"l00702"></a>00702 <span class=
"keyword">typename
</span> View1::y_coord_t y;
591 <a name=
"l00703"></a>00703 <span class=
"keywordflow">try
</span> {
592 <a name=
"l00704"></a>00704 <span class=
"keywordflow">for
</span> (y=
0; y
<view1.height(); ++y)
593 <a name=
"l00705"></a>00705 detail::uninitialized_copy_aux(view1.row_begin(y), view1.row_end(y),
594 <a name=
"l00706"></a>00706 view2.row_begin(y),
595 <a name=
"l00707"></a>00707 is_planar());
596 <a name=
"l00708"></a>00708 }
<span class=
"keywordflow">catch
</span>(...) {
597 <a name=
"l00709"></a>00709 <span class=
"keywordflow">for
</span> (
<span class=
"keyword">typename
</span> View1::y_coord_t y0=
0; y0
<y; ++y0)
598 <a name=
"l00710"></a>00710 detail::destruct_aux(view2.row_begin(y0),view2.row_end(y0), is_planar());
599 <a name=
"l00711"></a>00711 <span class=
"keywordflow">throw
</span>;
600 <a name=
"l00712"></a>00712 }
601 <a name=
"l00713"></a>00713 }
602 <a name=
"l00714"></a>00714 }
603 <a name=
"l00715"></a>00715
604 <a name=
"l00721"></a>00721
605 <a name=
"l00730"></a>00730
606 <a name=
"l00732"></a>00732 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> V,
<span class=
"keyword">typename
</span> F
>
607 <a name=
"l00733"></a>00733 F for_each_pixel(
<span class=
"keyword">const
</span> V
& img, F fun) {
608 <a name=
"l00734"></a>00734 <span class=
"keywordflow">if
</span> (img.is_1d_traversable()) {
609 <a name=
"l00735"></a>00735 <span class=
"keywordflow">return
</span> std::for_each(img.begin().x(), img.end().x(), fun);
610 <a name=
"l00736"></a>00736 }
<span class=
"keywordflow">else
</span> {
611 <a name=
"l00737"></a>00737 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<img.height(); ++y)
612 <a name=
"l00738"></a>00738 fun = std::for_each(img.row_begin(y),img.row_end(y),fun);
613 <a name=
"l00739"></a>00739 <span class=
"keywordflow">return
</span> fun;
614 <a name=
"l00740"></a>00740 }
615 <a name=
"l00741"></a>00741 }
616 <a name=
"l00742"></a>00742
617 <a name=
"l00746"></a>00746
618 <a name=
"l00748"></a>00748 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View,
<span class=
"keyword">typename
</span> F
>
619 <a name=
"l00749"></a>00749 F for_each_pixel_position(
<span class=
"keyword">const
</span> View
& img, F fun) {
620 <a name=
"l00750"></a>00750 <span class=
"keyword">typename
</span> View::xy_locator loc=img.xy_at(
0,
0);
621 <a name=
"l00751"></a>00751 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<img.height(); ++y) {
622 <a name=
"l00752"></a>00752 <span class=
"keywordflow">for
</span> (std::ptrdiff_t x=
0; x
<img.width(); ++x, ++loc.x())
623 <a name=
"l00753"></a>00753 fun(loc);
624 <a name=
"l00754"></a>00754 loc.x()-=img.width(); ++loc.y();
625 <a name=
"l00755"></a>00755 }
626 <a name=
"l00756"></a>00756 <span class=
"keywordflow">return
</span> fun;
627 <a name=
"l00757"></a>00757 }
628 <a name=
"l00758"></a>00758
629 <a name=
"l00759"></a>00759
630 <a name=
"l00765"></a>00765
631 <a name=
"l00769"></a>00769
632 <a name=
"l00772"></a>00772 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View,
<span class=
"keyword">typename
</span> F
>
633 <a name=
"l00773"></a><a class=
"code" href=
"g_i_l_0152.html#gdce3525a9aa4794ba807cfb8c0100d2f">00773</a> <span class=
"keywordtype">void
</span> <a class=
"code" href=
"g_i_l_0152.html#gdce3525a9aa4794ba807cfb8c0100d2f" title=
"std::generate for image views">generate_pixels
</a>(
<span class=
"keyword">const
</span> View
& v, F fun) {
634 <a name=
"l00774"></a>00774 <span class=
"keywordflow">if
</span> (v.is_1d_traversable()) {
635 <a name=
"l00775"></a>00775 std::generate(v.begin().x(), v.end().x(), fun);
636 <a name=
"l00776"></a>00776 }
<span class=
"keywordflow">else
</span> {
637 <a name=
"l00777"></a>00777 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<v.height(); ++y)
638 <a name=
"l00778"></a>00778 std::generate(v.row_begin(y),v.row_end(y),fun);
639 <a name=
"l00779"></a>00779 }
640 <a name=
"l00780"></a>00780 }
641 <a name=
"l00781"></a>00781
642 <a name=
"l00787"></a>00787
643 <a name=
"l00791"></a>00791
644 <a name=
"l00792"></a>00792 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> I1,
<span class=
"keyword">typename
</span> I2
> GIL_FORCEINLINE
<span class=
"keywordtype">bool
</span> equal_n(I1 i1, std::ptrdiff_t n, I2 i2);
645 <a name=
"l00793"></a>00793
646 <a name=
"l00794"></a>00794 <span class=
"keyword">namespace
</span>detail {
647 <a name=
"l00795"></a>00795
648 <a name=
"l00796"></a>00796 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> I1,
<span class=
"keyword">typename
</span> I2
>
649 <a name=
"l00797"></a>00797 <span class=
"keyword">struct
</span>equal_n_fn {
650 <a name=
"l00798"></a>00798 GIL_FORCEINLINE
<span class=
"keywordtype">bool
</span> operator()(I1 i1, std::ptrdiff_t n, I2 i2)
<span class=
"keyword"> const
</span>{
<span class=
"keywordflow">return
</span> <a class=
"code" href=
"g_i_l_0214.html#g4ed3cf71cb0fbf435d1389df8567a4e5" title=
"std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d">std::equal
</a>(i1,i1+n, i2); }
651 <a name=
"l00799"></a>00799 };
652 <a name=
"l00800"></a>00800
653 <a name=
"l00803"></a>00803 <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> T,
<span class=
"keyword">typename
</span> Cs
>
654 <a name=
"l00804"></a><a class=
"code" href=
"g_i_l_0494.html">00804</a> <span class=
"keyword">struct
</span>equal_n_fn
<const
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel
</a><T,Cs
>*,
<span class=
"keyword">const
</span> <a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel
<T,Cs
></a>*
> {
655 <a name=
"l00805"></a>00805 GIL_FORCEINLINE
<span class=
"keywordtype">bool
</span> operator()(
<span class=
"keyword">const
</span> <a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel
<T,Cs
></a>* i1, std::ptrdiff_t n,
<span class=
"keyword">const
</span> <a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel
<T,Cs
></a>* i2)
<span class=
"keyword"> const
</span>{
656 <a name=
"l00806"></a>00806 <span class=
"keywordflow">return
</span> memcmp(i1, i2, n*
<span class=
"keyword">sizeof
</span>(
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel
<T,Cs
></a>))==
0;
657 <a name=
"l00807"></a>00807 }
658 <a name=
"l00808"></a>00808 };
659 <a name=
"l00809"></a>00809 <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> T,
<span class=
"keyword">typename
</span> Cs
>
660 <a name=
"l00810"></a>00810 <span class=
"keyword">struct
</span>equal_n_fn
<<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel
</a><T,Cs
>*,
<a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel
<T,Cs
></a>*
> : equal_n_fn
<const pixel
<T,Cs
>*,
<span class=
"keyword">const
</span> <a class=
"code" href=
"g_i_l_0599.html" title=
"Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel
<T,Cs
></a>*
> {};
661 <a name=
"l00811"></a>00811
662 <a name=
"l00815"></a>00815 <span class=
"keyword">template
</span><<span class=
"keyword">typename
</span> IC,
<span class=
"keyword">typename
</span> Cs
>
663 <a name=
"l00816"></a><a class=
"code" href=
"g_i_l_0496.html">00816</a> <span class=
"keyword">struct
</span>equal_n_fn
<<a class=
"code" href=
"g_i_l_0609.html" title=
"An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator
</a><IC,Cs
>,
<a class=
"code" href=
"g_i_l_0609.html" title=
"An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator
</a><IC,Cs
> > {
664 <a name=
"l00817"></a>00817 GIL_FORCEINLINE
<span class=
"keywordtype">bool
</span> operator()(
<span class=
"keyword">const
</span> <a class=
"code" href=
"g_i_l_0609.html" title=
"An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator
<IC,Cs
></a> i1, std::ptrdiff_t n,
<span class=
"keyword">const
</span> <a class=
"code" href=
"g_i_l_0609.html" title=
"An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator
<IC,Cs
></a> i2)
<span class=
"keyword"> const
</span>{
665 <a name=
"l00818"></a>00818 ptrdiff_t numBytes=n*
<span class=
"keyword">sizeof
</span>(
<span class=
"keyword">typename
</span> std::iterator_traits
<IC
>::value_type);
666 <a name=
"l00819"></a>00819
667 <a name=
"l00820"></a>00820 <span class=
"keywordflow">for
</span> (std::ptrdiff_t i=
0; i
<mpl::size
<Cs
>::value; ++i)
668 <a name=
"l00821"></a>00821 <span class=
"keywordflow">if
</span> (memcmp(dynamic_at_c(i1,i), dynamic_at_c(i2,i), numBytes)!=
0)
669 <a name=
"l00822"></a>00822 <span class=
"keywordflow">return
</span> <span class=
"keyword">false
</span>;
670 <a name=
"l00823"></a>00823 <span class=
"keywordflow">return
</span> <span class=
"keyword">true
</span>;
671 <a name=
"l00824"></a>00824 }
672 <a name=
"l00825"></a>00825 };
673 <a name=
"l00826"></a>00826
674 <a name=
"l00827"></a>00827
675 <a name=
"l00829"></a>00829 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> Loc,
<span class=
"keyword">typename
</span> I2
> <span class=
"comment">// IL Models ConstPixelLocatorConcept, O Models PixelIteratorConcept
</span>
676 <a name=
"l00830"></a><a class=
"code" href=
"g_i_l_0493.html">00830</a> <span class=
"keyword">struct
</span>equal_n_fn
<boost::gil::
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
</a><Loc
>,I2
> {
677 <a name=
"l00831"></a>00831 GIL_FORCEINLINE
<span class=
"keywordtype">bool
</span> operator()(
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc
></a> i1, std::ptrdiff_t n, I2 i2)
<span class=
"keyword"> const
</span>{
678 <a name=
"l00832"></a>00832 gil_function_requires
<boost::gil::PixelLocatorConcept
<Loc
> >();
679 <a name=
"l00833"></a>00833 gil_function_requires
<boost::gil::PixelIteratorConcept
<I2
> >();
680 <a name=
"l00834"></a>00834 <span class=
"keywordflow">while
</span> (n
>0) {
681 <a name=
"l00835"></a>00835 std::ptrdiff_t num=std::min
<const std::ptrdiff_t
>(n, i1.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()-i1.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>());
682 <a name=
"l00836"></a>00836 <span class=
"keywordflow">if
</span> (!equal_n(i1.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>(), num, i2))
683 <a name=
"l00837"></a>00837 <span class=
"keywordflow">return
</span> <span class=
"keyword">false
</span>;
684 <a name=
"l00838"></a>00838 i1+=num;
685 <a name=
"l00839"></a>00839 i2+=num;
686 <a name=
"l00840"></a>00840 n-=num;
687 <a name=
"l00841"></a>00841 }
688 <a name=
"l00842"></a>00842 <span class=
"keywordflow">return
</span> <span class=
"keyword">true
</span>;
689 <a name=
"l00843"></a>00843 }
690 <a name=
"l00844"></a>00844 };
691 <a name=
"l00845"></a>00845
692 <a name=
"l00847"></a>00847 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> I1,
<span class=
"keyword">typename
</span> Loc
> <span class=
"comment">// I Models PixelIteratorConcept, OL Models PixelLocatorConcept
</span>
693 <a name=
"l00848"></a><a class=
"code" href=
"g_i_l_0489.html">00848</a> <span class=
"keyword">struct
</span>equal_n_fn
<I1,boost::gil::
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
</a><Loc
> > {
694 <a name=
"l00849"></a>00849 GIL_FORCEINLINE
<span class=
"keywordtype">bool
</span> operator()(I1 i1, std::ptrdiff_t n,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc
></a> i2)
<span class=
"keyword"> const
</span>{
695 <a name=
"l00850"></a>00850 gil_function_requires
<boost::gil::PixelIteratorConcept
<I1
> >();
696 <a name=
"l00851"></a>00851 gil_function_requires
<boost::gil::PixelLocatorConcept
<Loc
> >();
697 <a name=
"l00852"></a>00852 <span class=
"keywordflow">while
</span> (n
>0) {
698 <a name=
"l00853"></a>00853 std::ptrdiff_t num=std::min
<const std::ptrdiff_t
>(n,i2.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()-i2.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>());
699 <a name=
"l00854"></a>00854 <span class=
"keywordflow">if
</span> (!equal_n(i1, num, i2.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>()))
700 <a name=
"l00855"></a>00855 <span class=
"keywordflow">return
</span> <span class=
"keyword">false
</span>;
701 <a name=
"l00856"></a>00856 i1+=num;
702 <a name=
"l00857"></a>00857 i2+=num;
703 <a name=
"l00858"></a>00858 n-=num;
704 <a name=
"l00859"></a>00859 }
705 <a name=
"l00860"></a>00860 <span class=
"keywordflow">return
</span> <span class=
"keyword">true
</span>;
706 <a name=
"l00861"></a>00861 }
707 <a name=
"l00862"></a>00862 };
708 <a name=
"l00863"></a>00863
709 <a name=
"l00865"></a>00865 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> Loc1,
<span class=
"keyword">typename
</span> Loc2
>
710 <a name=
"l00866"></a><a class=
"code" href=
"g_i_l_0490.html">00866</a> <span class=
"keyword">struct
</span>equal_n_fn
<boost::gil::
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
</a><Loc1
>,boost::gil::
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator_from_2d
</a><Loc2
> > {
711 <a name=
"l00867"></a>00867 GIL_FORCEINLINE
<span class=
"keywordtype">bool
</span> operator()(
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc1
></a> i1, std::ptrdiff_t n,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc2
></a> i2)
<span class=
"keyword"> const
</span>{
712 <a name=
"l00868"></a>00868 gil_function_requires
<boost::gil::PixelLocatorConcept
<Loc1
> >();
713 <a name=
"l00869"></a>00869 gil_function_requires
<boost::gil::PixelLocatorConcept
<Loc2
> >();
714 <a name=
"l00870"></a>00870 <span class=
"keywordflow">if
</span> (i1.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>()!=i2.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>() || i1.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()!=i2.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()) {
715 <a name=
"l00871"></a>00871 <span class=
"keywordflow">while
</span>(n--
>0) {
716 <a name=
"l00872"></a>00872 <span class=
"keywordflow">if
</span> (*i1++!=*i2++)
<span class=
"keywordflow">return
</span> <span class=
"keyword">false
</span>;
717 <a name=
"l00873"></a>00873 }
718 <a name=
"l00874"></a>00874 }
719 <a name=
"l00875"></a>00875 <span class=
"keywordflow">while
</span> (n
>0) {
720 <a name=
"l00876"></a>00876 std::ptrdiff_t num=std::min
<const std::ptrdiff_t
>(n,i2.
<a class=
"code" href=
"g_i_l_0042.html#379c24f2d0a75769afc06dff7b569b8f">width
</a>()-i2.
<a class=
"code" href=
"g_i_l_0042.html#cb3204f0b17472894a99939821d597be">x_pos
</a>());
721 <a name=
"l00877"></a>00877 <span class=
"keywordflow">if
</span> (!equal_n(i1.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>(), num, i2.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>()))
722 <a name=
"l00878"></a>00878 <span class=
"keywordflow">return
</span> <span class=
"keyword">false
</span>;
723 <a name=
"l00879"></a>00879 i1+=num;
724 <a name=
"l00880"></a>00880 i2+=num;
725 <a name=
"l00881"></a>00881 n-=num;
726 <a name=
"l00882"></a>00882 }
727 <a name=
"l00883"></a>00883 <span class=
"keywordflow">return
</span> <span class=
"keyword">true
</span>;
728 <a name=
"l00884"></a>00884 }
729 <a name=
"l00885"></a>00885 };
730 <a name=
"l00886"></a>00886 }
<span class=
"comment">// namespace detail
</span>
731 <a name=
"l00887"></a>00887
732 <a name=
"l00888"></a>00888 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> I1,
<span class=
"keyword">typename
</span> I2
> GIL_FORCEINLINE
733 <a name=
"l00889"></a>00889 <span class=
"keywordtype">bool
</span> equal_n(I1 i1, std::ptrdiff_t n, I2 i2) {
734 <a name=
"l00890"></a>00890 <span class=
"keywordflow">return
</span> detail::equal_n_fn
<I1,I2
>()(i1,n,i2);
735 <a name=
"l00891"></a>00891 }
736 <a name=
"l00892"></a>00892 } }
<span class=
"comment">// namespace boost::gil
</span>
737 <a name=
"l00893"></a>00893
738 <a name=
"l00894"></a>00894 <span class=
"keyword">namespace
</span>std {
739 <a name=
"l00906"></a>00906 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> Loc1,
<span class=
"keyword">typename
</span> Loc2
> GIL_FORCEINLINE
740 <a name=
"l00907"></a><a class=
"code" href=
"g_i_l_0214.html#g4ed3cf71cb0fbf435d1389df8567a4e5">00907</a> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"g_i_l_0214.html#g4ed3cf71cb0fbf435d1389df8567a4e5" title=
"std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d">equal
</a>(
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc1
></a> first,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc1
></a> last,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc2
></a> first2) {
741 <a name=
"l00908"></a>00908 boost::gil::gil_function_requires
<boost::gil::PixelLocatorConcept
<Loc1
> >();
742 <a name=
"l00909"></a>00909 boost::gil::gil_function_requires
<boost::gil::PixelLocatorConcept
<Loc2
> >();
743 <a name=
"l00910"></a>00910 std::ptrdiff_t n=last-first;
744 <a name=
"l00911"></a>00911 <span class=
"keywordflow">if
</span> (first.is_1d_traversable()) {
745 <a name=
"l00912"></a>00912 <span class=
"keywordflow">if
</span> (first2.
<a class=
"code" href=
"g_i_l_0042.html#90ccf75aa2deb01fbce509842191cad2">is_1d_traversable
</a>())
746 <a name=
"l00913"></a>00913 <span class=
"keywordflow">return
</span> boost::gil::detail::equal_n_fn
<typename Loc1::x_iterator,typename Loc2::x_iterator
>()(first.x(),n, first2.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>());
747 <a name=
"l00914"></a>00914 <span class=
"keywordflow">else
</span>
748 <a name=
"l00915"></a>00915 <span class=
"keywordflow">return
</span> boost::gil::detail::equal_n_fn
<typename Loc1::x_iterator,boost::gil::iterator_from_2d
<Loc2
> >()(first.x(),n, first2);
749 <a name=
"l00916"></a>00916 }
<span class=
"keywordflow">else
</span> {
750 <a name=
"l00917"></a>00917 <span class=
"keywordflow">if
</span> (first2.
<a class=
"code" href=
"g_i_l_0042.html#90ccf75aa2deb01fbce509842191cad2">is_1d_traversable
</a>())
751 <a name=
"l00918"></a>00918 <span class=
"keywordflow">return
</span> boost::gil::detail::equal_n_fn
<<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc1
></a>,
<span class=
"keyword">typename
</span> Loc2::x_iterator
>()(first,n, first2.
<a class=
"code" href=
"g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x
</a>());
752 <a name=
"l00919"></a>00919 <span class=
"keywordflow">else
</span>
753 <a name=
"l00920"></a>00920 <span class=
"keywordflow">return
</span> boost::gil::detail::equal_n_fn
<boost::gil::iterator_from_2d
<Loc1
>,
<a class=
"code" href=
"g_i_l_0042.html" title=
"Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">boost::gil::iterator_from_2d
<Loc2
></a> >()(first,n,first2);
754 <a name=
"l00921"></a>00921 }
755 <a name=
"l00922"></a>00922 }
756 <a name=
"l00923"></a>00923 }
<span class=
"comment">// namespace std
</span>
757 <a name=
"l00924"></a>00924
758 <a name=
"l00925"></a>00925 <span class=
"keyword">namespace
</span>boost {
<span class=
"keyword">namespace
</span>gil {
759 <a name=
"l00926"></a>00926
760 <a name=
"l00929"></a>00929 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View1,
<span class=
"keyword">typename
</span> View2
> GIL_FORCEINLINE
761 <a name=
"l00930"></a><a class=
"code" href=
"g_i_l_0148.html#g86a5d26dbacd64b2bc4f53b4b2971a73">00930</a> <span class=
"keywordtype">bool
</span> <a class=
"code" href=
"g_i_l_0148.html#g86a5d26dbacd64b2bc4f53b4b2971a73" title=
"std::equal for image views">equal_pixels
</a>(
<span class=
"keyword">const
</span> View1
& v1,
<span class=
"keyword">const
</span> View2
& v2) {
762 <a name=
"l00931"></a>00931 assert(v1.dimensions()==v2.dimensions());
763 <a name=
"l00932"></a>00932 <span class=
"keywordflow">return
</span> <a class=
"code" href=
"g_i_l_0214.html#g4ed3cf71cb0fbf435d1389df8567a4e5" title=
"std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d">std::equal
</a>(v1.begin(),v1.end(),v2.begin());
<span class=
"comment">// std::equal has overloads with GIL iterators for optimal performance
</span>
764 <a name=
"l00933"></a>00933 }
765 <a name=
"l00934"></a>00934
766 <a name=
"l00940"></a>00940
767 <a name=
"l00944"></a>00944
768 <a name=
"l00947"></a>00947 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View1,
<span class=
"keyword">typename
</span> View2,
<span class=
"keyword">typename
</span> F
> GIL_FORCEINLINE
769 <a name=
"l00948"></a><a class=
"code" href=
"g_i_l_0154.html#g27eed3931b4835e3757642ed41db0984">00948</a> F
<a class=
"code" href=
"g_i_l_0154.html#gceacc4e2452d2b3adba5902b21c5957b" title=
"transform_pixels with two sources">transform_pixels
</a>(
<span class=
"keyword">const
</span> View1
& src,
<span class=
"keyword">const
</span> View2
& dst, F fun) {
770 <a name=
"l00949"></a>00949 assert(src.dimensions()==dst.dimensions());
771 <a name=
"l00950"></a>00950 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<src.height(); ++y) {
772 <a name=
"l00951"></a>00951 <span class=
"keyword">typename
</span> View1::x_iterator srcIt=src.row_begin(y);
773 <a name=
"l00952"></a>00952 <span class=
"keyword">typename
</span> View2::x_iterator dstIt=dst.row_begin(y);
774 <a name=
"l00953"></a>00953 <span class=
"keywordflow">for
</span> (std::ptrdiff_t x=
0; x
<src.width(); ++x)
775 <a name=
"l00954"></a>00954 dstIt[x]=fun(srcIt[x]);
776 <a name=
"l00955"></a>00955 }
777 <a name=
"l00956"></a>00956 <span class=
"keywordflow">return
</span> fun;
778 <a name=
"l00957"></a>00957 }
779 <a name=
"l00958"></a>00958
780 <a name=
"l00961"></a>00961 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View1,
<span class=
"keyword">typename
</span> View2,
<span class=
"keyword">typename
</span> View3,
<span class=
"keyword">typename
</span> F
> GIL_FORCEINLINE
781 <a name=
"l00962"></a><a class=
"code" href=
"g_i_l_0154.html#gceacc4e2452d2b3adba5902b21c5957b">00962</a> F
<a class=
"code" href=
"g_i_l_0154.html#gceacc4e2452d2b3adba5902b21c5957b" title=
"transform_pixels with two sources">transform_pixels
</a>(
<span class=
"keyword">const
</span> View1
& src1,
<span class=
"keyword">const
</span> View2
& src2,
<span class=
"keyword">const
</span> View3
& dst, F fun) {
782 <a name=
"l00963"></a>00963 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<dst.height(); ++y) {
783 <a name=
"l00964"></a>00964 <span class=
"keyword">typename
</span> View1::x_iterator srcIt1=src1.row_begin(y);
784 <a name=
"l00965"></a>00965 <span class=
"keyword">typename
</span> View2::x_iterator srcIt2=src2.row_begin(y);
785 <a name=
"l00966"></a>00966 <span class=
"keyword">typename
</span> View3::x_iterator dstIt=dst.row_begin(y);
786 <a name=
"l00967"></a>00967 <span class=
"keywordflow">for
</span> (std::ptrdiff_t x=
0; x
<dst.width(); ++x)
787 <a name=
"l00968"></a>00968 dstIt[x]=fun(srcIt1[x],srcIt2[x]);
788 <a name=
"l00969"></a>00969 }
789 <a name=
"l00970"></a>00970 <span class=
"keywordflow">return
</span> fun;
790 <a name=
"l00971"></a>00971 }
791 <a name=
"l00972"></a>00972
792 <a name=
"l00976"></a>00976
793 <a name=
"l00979"></a>00979 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View1,
<span class=
"keyword">typename
</span> View2,
<span class=
"keyword">typename
</span> F
> GIL_FORCEINLINE
794 <a name=
"l00980"></a><a class=
"code" href=
"g_i_l_0153.html#gc74f3114086b954dfd1735a918f68389">00980</a> F
<a class=
"code" href=
"g_i_l_0153.html#g1edf36f5d5c954f190235d362002e964" title=
"transform_pixel_positions with two sources">transform_pixel_positions
</a>(
<span class=
"keyword">const
</span> View1
& src,
<span class=
"keyword">const
</span> View2
& dst, F fun) {
795 <a name=
"l00981"></a>00981 assert(src.dimensions()==dst.dimensions());
796 <a name=
"l00982"></a>00982 <span class=
"keyword">typename
</span> View1::xy_locator loc=src.xy_at(
0,
0);
797 <a name=
"l00983"></a>00983 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<src.height(); ++y) {
798 <a name=
"l00984"></a>00984 <span class=
"keyword">typename
</span> View2::x_iterator dstIt=dst.row_begin(y);
799 <a name=
"l00985"></a>00985 <span class=
"keywordflow">for
</span> (std::ptrdiff_t x=
0; x
<src.width(); ++x, ++loc.x())
800 <a name=
"l00986"></a>00986 dstIt[x]=fun(loc);
801 <a name=
"l00987"></a>00987 loc.x()-=src.width(); ++loc.y();
802 <a name=
"l00988"></a>00988 }
803 <a name=
"l00989"></a>00989 <span class=
"keywordflow">return
</span> fun;
804 <a name=
"l00990"></a>00990 }
805 <a name=
"l00991"></a>00991
806 <a name=
"l00994"></a>00994 <span class=
"keyword">template
</span> <<span class=
"keyword">typename
</span> View1,
<span class=
"keyword">typename
</span> View2,
<span class=
"keyword">typename
</span> View3,
<span class=
"keyword">typename
</span> F
> GIL_FORCEINLINE
807 <a name=
"l00995"></a><a class=
"code" href=
"g_i_l_0153.html#g1edf36f5d5c954f190235d362002e964">00995</a> F
<a class=
"code" href=
"g_i_l_0153.html#g1edf36f5d5c954f190235d362002e964" title=
"transform_pixel_positions with two sources">transform_pixel_positions
</a>(
<span class=
"keyword">const
</span> View1
& src1,
<span class=
"keyword">const
</span> View2
& src2,
<span class=
"keyword">const
</span> View3
& dst, F fun) {
808 <a name=
"l00996"></a>00996 assert(src1.dimensions()==dst.dimensions());
809 <a name=
"l00997"></a>00997 assert(src2.dimensions()==dst.dimensions());
810 <a name=
"l00998"></a>00998 <span class=
"keyword">typename
</span> View1::xy_locator loc1=src1.xy_at(
0,
0);
811 <a name=
"l00999"></a>00999 <span class=
"keyword">typename
</span> View2::xy_locator loc2=src2.xy_at(
0,
0);
812 <a name=
"l01000"></a>01000 <span class=
"keywordflow">for
</span> (std::ptrdiff_t y=
0; y
<src1.height(); ++y) {
813 <a name=
"l01001"></a>01001 <span class=
"keyword">typename
</span> View3::x_iterator dstIt=dst.row_begin(y);
814 <a name=
"l01002"></a>01002 <span class=
"keywordflow">for
</span> (std::ptrdiff_t x=
0; x
<src1.width(); ++x, ++loc1.x(), ++loc2.x())
815 <a name=
"l01003"></a>01003 dstIt[x]=fun(loc1,loc2);
816 <a name=
"l01004"></a>01004 loc1.x()-=src1.width(); ++loc1.y();
817 <a name=
"l01005"></a>01005 loc2.x()-=src2.width(); ++loc2.y();
818 <a name=
"l01006"></a>01006 }
819 <a name=
"l01007"></a>01007 <span class=
"keywordflow">return
</span> fun;
820 <a name=
"l01008"></a>01008 }
821 <a name=
"l01009"></a>01009
822 <a name=
"l01010"></a>01010 } }
<span class=
"comment">// namespace boost::gil
</span>
823 <a name=
"l01011"></a>01011
824 <a name=
"l01012"></a>01012 <span class=
"comment">//#ifdef _MSC_VER
</span>
825 <a name=
"l01013"></a>01013 <span class=
"comment">//#pragma warning(pop)
</span>
826 <a name=
"l01014"></a>01014 <span class=
"comment">//#endif
</span>
827 <a name=
"l01015"></a>01015
828 <a name=
"l01016"></a>01016 <span class=
"preprocessor">#endif
</span>
830 <hr size=
"1"><address style=
"text-align: right;"><small>Generated on Sat May
2 13:
50:
13 2009 for Generic Image Library by
831 <a href=
"http://www.doxygen.org/index.html">
832 <img src=
"doxygen.png" alt=
"doxygen" align=
"middle" border=
"0"></a> 1.5.6 </small></address>