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41 | <h1>planar_pixel_iterator.hpp</h1><a href="g_i_l_0247.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_PLANAR_PTR_H</span> | |
54 | <a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define GIL_PLANAR_PTR_H</span> | |
55 | <a name="l00015"></a>00015 <span class="preprocessor"></span> | |
56 | <a name="l00024"></a>00024 | |
57 | <a name="l00025"></a>00025 <span class="preprocessor">#include <cassert></span> | |
58 | <a name="l00026"></a>00026 <span class="preprocessor">#include <iterator></span> | |
59 | <a name="l00027"></a>00027 <span class="preprocessor">#include <boost/iterator/iterator_facade.hpp></span> | |
60 | <a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="g_i_l_0094.html" title="GIL configuration file.">gil_config.hpp</a>"</span> | |
61 | <a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="pixel_8hpp.html" title="pixel class and related utilities">pixel.hpp</a>"</span> | |
62 | <a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="g_i_l_0260.html" title="pixel step iterator">step_iterator.hpp</a>"</span> | |
63 | <a name="l00031"></a>00031 | |
64 | <a name="l00032"></a>00032 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil { | |
65 | <a name="l00033"></a>00033 | |
66 | <a name="l00034"></a>00034 <span class="comment">//forward declaration (as this file is included in planar_pixel_reference.hpp)</span> | |
67 | <a name="l00035"></a>00035 <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace> | |
68 | <a name="l00036"></a>00036 <span class="keyword">struct </span>planar_pixel_reference; | |
69 | <a name="l00037"></a>00037 | |
70 | <a name="l00042"></a>00042 | |
71 | <a name="l00046"></a>00046 | |
72 | <a name="l00054"></a>00054 <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelPtr, <span class="keyword">typename</span> ColorSpace> | |
73 | <a name="l00055"></a><a class="code" href="g_i_l_0609.html">00055</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a> : <span class="keyword">public</span> iterator_facade<planar_pixel_iterator<ChannelPtr,ColorSpace>, | |
74 | <a name="l00056"></a>00056 pixel<typename std::iterator_traits<ChannelPtr>::value_type,layout<ColorSpace> >, | |
75 | <a name="l00057"></a>00057 random_access_traversal_tag, | |
76 | <a name="l00058"></a>00058 const planar_pixel_reference<typename std::iterator_traits<ChannelPtr>::reference,ColorSpace> >, | |
77 | <a name="l00059"></a>00059 <span class="keyword">public</span> detail::homogeneous_color_base<ChannelPtr,layout<ColorSpace>,mpl::size<ColorSpace>::value > { | |
78 | <a name="l00060"></a>00060 <span class="keyword">private</span>: | |
79 | <a name="l00061"></a>00061 <span class="keyword">typedef</span> iterator_facade<planar_pixel_iterator<ChannelPtr,ColorSpace>, | |
80 | <a name="l00062"></a>00062 <a class="code" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel<typename std::iterator_traits<ChannelPtr>::value_type</a>,<a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout<ColorSpace></a> >, | |
81 | <a name="l00063"></a>00063 random_access_traversal_tag, | |
82 | <a name="l00064"></a>00064 <span class="keyword">const</span> <a class="code" href="g_i_l_0611.html" title="A reference proxy to a planar pixel. Models: HomogeneousColorBaseConcept, HomogeneousPixelConcept...">planar_pixel_reference<typename std::iterator_traits<ChannelPtr>::reference</a>,ColorSpace> > parent_t; | |
83 | <a name="l00065"></a>00065 <span class="keyword">typedef</span> detail::homogeneous_color_base<ChannelPtr,layout<ColorSpace>,mpl::size<ColorSpace>::value> color_base_parent_t; | |
84 | <a name="l00066"></a>00066 <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits<ChannelPtr>::value_type channel_t; | |
85 | <a name="l00067"></a>00067 <span class="keyword">public</span>: | |
86 | <a name="l00068"></a>00068 <span class="keyword">typedef</span> <span class="keyword">typename</span> parent_t::value_type value_type; | |
87 | <a name="l00069"></a>00069 <span class="keyword">typedef</span> <span class="keyword">typename</span> parent_t::reference reference; | |
88 | <a name="l00070"></a>00070 <span class="keyword">typedef</span> <span class="keyword">typename</span> parent_t::difference_type difference_type; | |
89 | <a name="l00071"></a>00071 | |
90 | <a name="l00072"></a>00072 <a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a>() : color_base_parent_t(0) {} | |
91 | <a name="l00073"></a>00073 <a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a>(<span class="keywordtype">bool</span>) {} <span class="comment">// constructor that does not fill with zero (for performance)</span> | |
92 | <a name="l00074"></a>00074 | |
93 | <a name="l00075"></a>00075 <a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a>(<span class="keyword">const</span> ChannelPtr& v0, <span class="keyword">const</span> ChannelPtr& v1) : color_base_parent_t(v0,v1) {} | |
94 | <a name="l00076"></a>00076 <a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a>(<span class="keyword">const</span> ChannelPtr& v0, <span class="keyword">const</span> ChannelPtr& v1, <span class="keyword">const</span> ChannelPtr& v2) : color_base_parent_t(v0,v1,v2) {} | |
95 | <a name="l00077"></a>00077 <a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a>(<span class="keyword">const</span> ChannelPtr& v0, <span class="keyword">const</span> ChannelPtr& v1, <span class="keyword">const</span> ChannelPtr& v2, <span class="keyword">const</span> ChannelPtr& v3) : color_base_parent_t(v0,v1,v2,v3) {} | |
96 | <a name="l00078"></a>00078 <a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a>(<span class="keyword">const</span> ChannelPtr& v0, <span class="keyword">const</span> ChannelPtr& v1, <span class="keyword">const</span> ChannelPtr& v2, <span class="keyword">const</span> ChannelPtr& v3, <span class="keyword">const</span> ChannelPtr& v4) : color_base_parent_t(v0,v1,v2,v3,v4) {} | |
97 | <a name="l00079"></a>00079 | |
98 | <a name="l00080"></a>00080 <span class="keyword">template</span> <<span class="keyword">typename</span> IC1,<span class="keyword">typename</span> C1> | |
99 | <a name="l00081"></a>00081 <a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a>(<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<IC1,C1></a>& ptr) : color_base_parent_t(ptr) {} | |
100 | <a name="l00082"></a>00082 | |
101 | <a name="l00083"></a>00083 | |
102 | <a name="l00087"></a>00087 <span class="keyword">template</span> <<span class="keyword">typename</span> P> | |
103 | <a name="l00088"></a><a class="code" href="g_i_l_0609.html#340b95bc4afd461df05de5816763e8f8">00088</a> <a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator</a>(P* pix) : color_base_parent_t(pix, true) { | |
104 | <a name="l00089"></a>00089 function_requires<PixelsCompatibleConcept<P,value_type> >(); | |
105 | <a name="l00090"></a>00090 } | |
106 | <a name="l00091"></a>00091 | |
107 | <a name="l00092"></a>00092 <span class="keyword">struct </span>address_of { <span class="keyword">template</span> <<span class="keyword">typename</span> T> T* operator()(T& t) { <span class="keywordflow">return</span> &t; } }; | |
108 | <a name="l00093"></a>00093 <span class="keyword">template</span> <<span class="keyword">typename</span> P> | |
109 | <a name="l00094"></a>00094 planar_pixel_iterator& operator=(P* pix) { | |
110 | <a name="l00095"></a>00095 function_requires<PixelsCompatibleConcept<P,value_type> >(); | |
111 | <a name="l00096"></a>00096 static_transform(*pix,*<span class="keyword">this</span>, address_of()); | |
112 | <a name="l00097"></a>00097 | |
113 | <a name="l00098"></a>00098 <span class="comment">// PERFORMANCE_CHECK: Compare to this:</span> | |
114 | <a name="l00099"></a>00099 <span class="comment">//this->template semantic_at_c<0>()=&pix->template semantic_at_c<0>();</span> | |
115 | <a name="l00100"></a>00100 <span class="comment">//this->template semantic_at_c<1>()=&pix->template semantic_at_c<1>();</span> | |
116 | <a name="l00101"></a>00101 <span class="comment">//this->template semantic_at_c<2>()=&pix->template semantic_at_c<2>();</span> | |
117 | <a name="l00102"></a>00102 <span class="keywordflow">return</span> *<span class="keyword">this</span>; | |
118 | <a name="l00103"></a>00103 } | |
119 | <a name="l00104"></a>00104 | |
120 | <a name="l00107"></a><a class="code" href="g_i_l_0609.html#de1279c4ed222b6efb0867c038765ea1">00107</a> reference <a class="code" href="g_i_l_0609.html#de1279c4ed222b6efb0867c038765ea1">operator[]</a>(difference_type d)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> memunit_advanced_ref(*<span class="keyword">this</span>,d*<span class="keyword">sizeof</span>(channel_t));} | |
121 | <a name="l00108"></a>00108 | |
122 | <a name="l00109"></a>00109 reference operator->()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> **<span class="keyword">this</span>; } | |
123 | <a name="l00110"></a>00110 | |
124 | <a name="l00111"></a>00111 <span class="comment">// PERFORMANCE_CHECK: Remove?</span> | |
125 | <a name="l00112"></a>00112 <span class="keywordtype">bool</span> operator< (<span class="keyword">const</span> planar_pixel_iterator& ptr)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> at_c<0>(*this)< at_c<0>(ptr); } | |
126 | <a name="l00113"></a>00113 <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> planar_pixel_iterator& ptr)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> at_c<0>(*this)!=at_c<0>(ptr); } | |
127 | <a name="l00114"></a>00114 <span class="keyword">private</span>: | |
128 | <a name="l00115"></a>00115 <span class="keyword">friend</span> <span class="keyword">class </span>boost::iterator_core_access; | |
129 | <a name="l00116"></a>00116 | |
130 | <a name="l00117"></a>00117 <span class="keywordtype">void</span> increment() { static_transform(*<span class="keyword">this</span>,*<span class="keyword">this</span>,detail::inc<ChannelPtr>()); } | |
131 | <a name="l00118"></a>00118 <span class="keywordtype">void</span> decrement() { static_transform(*<span class="keyword">this</span>,*<span class="keyword">this</span>,detail::dec<ChannelPtr>()); } | |
132 | <a name="l00119"></a>00119 <span class="keywordtype">void</span> advance(ptrdiff_t d) { static_transform(*<span class="keyword">this</span>,*<span class="keyword">this</span>,std::bind2nd(detail::plus_asymmetric<ChannelPtr,ptrdiff_t>(),d)); } | |
133 | <a name="l00120"></a>00120 reference dereference()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this-><span class="keyword">template</span> deref<reference>(); } | |
134 | <a name="l00121"></a>00121 | |
135 | <a name="l00122"></a>00122 ptrdiff_t distance_to(<span class="keyword">const</span> planar_pixel_iterator& it)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> at_c<0>(it)-at_c<0>(*<span class="keyword">this</span>); } | |
136 | <a name="l00123"></a>00123 <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>(<span class="keyword">const</span> planar_pixel_iterator& it)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> at_c<0>(*this)==at_c<0>(it); } | |
137 | <a name="l00124"></a>00124 }; | |
138 | <a name="l00125"></a>00125 | |
139 | <a name="l00126"></a>00126 <span class="keyword">namespace </span>detail { | |
140 | <a name="l00127"></a>00127 <span class="keyword">template</span> <<span class="keyword">typename</span> IC> <span class="keyword">struct </span>channel_iterator_is_mutable : <span class="keyword">public</span> mpl::true_ {}; | |
141 | <a name="l00128"></a>00128 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <span class="keyword">struct </span>channel_iterator_is_mutable<const T*> : <span class="keyword">public</span> mpl::false_ {}; | |
142 | <a name="l00129"></a>00129 } | |
143 | <a name="l00130"></a>00130 | |
144 | <a name="l00131"></a>00131 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
145 | <a name="l00132"></a>00132 <span class="keyword">struct </span>const_iterator_type<planar_pixel_iterator<IC,C> > { | |
146 | <a name="l00133"></a>00133 <span class="keyword">private</span>: | |
147 | <a name="l00134"></a>00134 <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits<IC>::value_type channel_t; | |
148 | <a name="l00135"></a>00135 <span class="keyword">public</span>: | |
149 | <a name="l00136"></a>00136 <span class="keyword">typedef</span> planar_pixel_iterator<typename channel_traits<channel_t>::const_pointer,C> type; | |
150 | <a name="l00137"></a>00137 }; | |
151 | <a name="l00138"></a>00138 | |
152 | <a name="l00139"></a>00139 <span class="comment">// The default implementation when the iterator is a C pointer is to use the standard constness semantics</span> | |
153 | <a name="l00140"></a>00140 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
154 | <a name="l00141"></a>00141 <span class="keyword">struct </span>iterator_is_mutable<planar_pixel_iterator<IC,C> > : <span class="keyword">public</span> detail::channel_iterator_is_mutable<IC> {}; | |
155 | <a name="l00142"></a>00142 | |
156 | <a name="l00144"></a>00144 <span class="comment">// ColorBasedConcept</span> | |
157 | <a name="l00146"></a>00146 <span class="comment"></span> | |
158 | <a name="l00147"></a>00147 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C, <span class="keywordtype">int</span> K> | |
159 | <a name="l00148"></a>00148 <span class="keyword">struct </span>kth_element_type<planar_pixel_iterator<IC,C>, K> { | |
160 | <a name="l00149"></a>00149 <span class="keyword">typedef</span> IC type; | |
161 | <a name="l00150"></a>00150 }; | |
162 | <a name="l00151"></a>00151 | |
163 | <a name="l00152"></a>00152 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C, <span class="keywordtype">int</span> K> | |
164 | <a name="l00153"></a>00153 <span class="keyword">struct </span>kth_element_reference_type<planar_pixel_iterator<IC,C>, K> : <span class="keyword">public</span> add_reference<IC> {}; | |
165 | <a name="l00154"></a>00154 | |
166 | <a name="l00155"></a>00155 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C, <span class="keywordtype">int</span> K> | |
167 | <a name="l00156"></a>00156 <span class="keyword">struct </span>kth_element_const_reference_type<planar_pixel_iterator<IC,C>, K> : <span class="keyword">public</span> add_reference<typename add_const<IC>::type> {}; | |
168 | <a name="l00157"></a>00157 | |
169 | <a name="l00159"></a>00159 <span class="comment">// HomogeneousPixelBasedConcept</span> | |
170 | <a name="l00161"></a>00161 <span class="comment"></span> | |
171 | <a name="l00162"></a>00162 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
172 | <a name="l00163"></a>00163 <span class="keyword">struct </span>color_space_type<planar_pixel_iterator<IC,C> > { | |
173 | <a name="l00164"></a>00164 <span class="keyword">typedef</span> C type; | |
174 | <a name="l00165"></a>00165 }; | |
175 | <a name="l00166"></a>00166 | |
176 | <a name="l00167"></a>00167 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
177 | <a name="l00168"></a>00168 <span class="keyword">struct </span>channel_mapping_type<planar_pixel_iterator<IC,C> > : <span class="keyword">public</span> channel_mapping_type<typename planar_pixel_iterator<IC,C>::value_type> {}; | |
178 | <a name="l00169"></a>00169 | |
179 | <a name="l00170"></a>00170 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
180 | <a name="l00171"></a>00171 <span class="keyword">struct </span>is_planar<planar_pixel_iterator<IC,C> > : <span class="keyword">public</span> mpl::true_ {}; | |
181 | <a name="l00172"></a>00172 | |
182 | <a name="l00173"></a>00173 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
183 | <a name="l00174"></a>00174 <span class="keyword">struct </span>channel_type<planar_pixel_iterator<IC,C> > { | |
184 | <a name="l00175"></a>00175 <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits<IC>::value_type type; | |
185 | <a name="l00176"></a>00176 }; | |
186 | <a name="l00177"></a>00177 | |
187 | <a name="l00179"></a>00179 <span class="comment">// MemoryBasedIteratorConcept</span> | |
188 | <a name="l00181"></a>00181 <span class="comment"></span> | |
189 | <a name="l00182"></a>00182 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
190 | <a name="l00183"></a>00183 <span class="keyword">inline</span> std::ptrdiff_t memunit_step(<span class="keyword">const</span> planar_pixel_iterator<IC,C>&) { <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(<span class="keyword">typename</span> std::iterator_traits<IC>::value_type); } | |
191 | <a name="l00184"></a>00184 | |
192 | <a name="l00185"></a>00185 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
193 | <a name="l00186"></a>00186 <span class="keyword">inline</span> std::ptrdiff_t memunit_distance(<span class="keyword">const</span> planar_pixel_iterator<IC,C>& p1, <span class="keyword">const</span> planar_pixel_iterator<IC,C>& p2) { | |
194 | <a name="l00187"></a>00187 <span class="keywordflow">return</span> memunit_distance(at_c<0>(p1),at_c<0>(p2)); | |
195 | <a name="l00188"></a>00188 } | |
196 | <a name="l00189"></a>00189 | |
197 | <a name="l00190"></a>00190 <span class="keyword">template</span> <<span class="keyword">typename</span> IC> | |
198 | <a name="l00191"></a>00191 <span class="keyword">struct </span>memunit_advance_fn { | |
199 | <a name="l00192"></a>00192 memunit_advance_fn(std::ptrdiff_t diff) : _diff(diff) {} | |
200 | <a name="l00193"></a>00193 IC operator()(<span class="keyword">const</span> IC& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> memunit_advanced(p,_diff); } | |
201 | <a name="l00194"></a>00194 | |
202 | <a name="l00195"></a>00195 std::ptrdiff_t _diff; | |
203 | <a name="l00196"></a>00196 }; | |
204 | <a name="l00197"></a>00197 | |
205 | <a name="l00198"></a>00198 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
206 | <a name="l00199"></a>00199 <span class="keyword">inline</span> <span class="keywordtype">void</span> memunit_advance(planar_pixel_iterator<IC,C>& p, std::ptrdiff_t diff) { | |
207 | <a name="l00200"></a>00200 static_transform(p, p, memunit_advance_fn<IC>(diff)); | |
208 | <a name="l00201"></a>00201 } | |
209 | <a name="l00202"></a>00202 | |
210 | <a name="l00203"></a>00203 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
211 | <a name="l00204"></a>00204 <span class="keyword">inline</span> planar_pixel_iterator<IC,C> memunit_advanced(<span class="keyword">const</span> planar_pixel_iterator<IC,C>& p, std::ptrdiff_t diff) { | |
212 | <a name="l00205"></a>00205 planar_pixel_iterator<IC,C> ret=p; | |
213 | <a name="l00206"></a>00206 memunit_advance(ret, diff); | |
214 | <a name="l00207"></a>00207 <span class="keywordflow">return</span> ret; | |
215 | <a name="l00208"></a>00208 } | |
216 | <a name="l00209"></a>00209 | |
217 | <a name="l00210"></a>00210 <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelPtr, <span class="keyword">typename</span> ColorSpace> | |
218 | <a name="l00211"></a>00211 <span class="keyword">inline</span> planar_pixel_reference<typename std::iterator_traits<ChannelPtr>::reference,ColorSpace> | |
219 | <a name="l00212"></a>00212 memunit_advanced_ref(<span class="keyword">const</span> planar_pixel_iterator<ChannelPtr,ColorSpace>& ptr, std::ptrdiff_t diff) { | |
220 | <a name="l00213"></a>00213 <span class="keywordflow">return</span> planar_pixel_reference<typename std::iterator_traits<ChannelPtr>::reference,ColorSpace>(ptr, diff); | |
221 | <a name="l00214"></a>00214 } | |
222 | <a name="l00215"></a>00215 | |
223 | <a name="l00217"></a>00217 <span class="comment">// HasDynamicXStepTypeConcept</span> | |
224 | <a name="l00219"></a>00219 <span class="comment"></span> | |
225 | <a name="l00220"></a>00220 <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C> | |
226 | <a name="l00221"></a>00221 <span class="keyword">struct </span>dynamic_x_step_type<planar_pixel_iterator<IC,C> > { | |
227 | <a name="l00222"></a>00222 <span class="keyword">typedef</span> memory_based_step_iterator<planar_pixel_iterator<IC,C> > type; | |
228 | <a name="l00223"></a>00223 }; | |
229 | <a name="l00224"></a>00224 | |
230 | <a name="l00225"></a>00225 } } <span class="comment">// namespace boost::gil</span> | |
231 | <a name="l00226"></a>00226 | |
232 | <a name="l00227"></a>00227 <span class="preprocessor">#endif</span> | |
233 | </pre></div></div> | |
234 | <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:14 2009 for Generic Image Library by | |
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236 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> | |
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