ceph/src/boost/libs/gil/doc/html/g_i_l_0224.html

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  41 <h1>image_view.hpp</h1><a href="g_i_l_0225.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
  42 <a name="l00002"></a>00002 <span class="comment">    Copyright 2005-2007 Adobe Systems Incorporated</span>
  43 <a name="l00003"></a>00003 <span class="comment">   </span>
  44 <a name="l00004"></a>00004 <span class="comment">    Use, modification and distribution are subject to the Boost Software License,</span>
  45 <a name="l00005"></a>00005 <span class="comment">    Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
  46 <a name="l00006"></a>00006 <span class="comment">    http://www.boost.org/LICENSE_1_0.txt).</span>
  47 <a name="l00007"></a>00007 <span class="comment"></span>
  48 <a name="l00008"></a>00008 <span class="comment">    See http://opensource.adobe.com/gil for most recent version including documentation.</span>
  49 <a name="l00009"></a>00009 <span class="comment">*/</span>
  50 <a name="l00010"></a>00010 <span class="comment">/*************************************************************************************************/</span>
  51 <a name="l00011"></a>00011
  52 <a name="l00012"></a>00012 <span class="preprocessor">#ifndef GIL_IMAGE_VIEW_H</span>
  53 <a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define GIL_IMAGE_VIEW_H</span>
  54 <a name="l00014"></a>00014 <span class="preprocessor"></span>
  55 <a name="l00023"></a>00023
  56 <a name="l00024"></a>00024 <span class="preprocessor">#include &lt;cstddef&gt;</span>
  57 <a name="l00025"></a>00025 <span class="preprocessor">#include &lt;iterator&gt;</span>
  58 <a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="g_i_l_0094.html" title="GIL configuration file.">gil_config.hpp</a>"</span>
  59 <a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="g_i_l_0230.html" title="pixel step iterator, pixel image iterator and pixel dereference iterator">iterator_from_2d.hpp</a>"</span>
  60 <a name="l00028"></a>00028
  61 <a name="l00029"></a>00029 <span class="comment">//#ifdef _MSC_VER</span>
  62 <a name="l00030"></a>00030 <span class="comment">//#pragma warning(push)</span>
  63 <a name="l00031"></a>00031 <span class="comment">//#pragma warning(disable : 4244)     // conversion from 'gil::image&lt;V,Alloc&gt;::coord_t' to 'int', possible loss of data (visual studio compiler doesn't realize that the two types are the same)</span>
  64 <a name="l00032"></a>00032 <span class="comment">//#endif</span>
  65 <a name="l00033"></a>00033
  66 <a name="l00034"></a>00034 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {
  67 <a name="l00035"></a>00035
  68 <a name="l00067"></a>00067 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt;     <span class="comment">// Models 2D Pixel Locator</span>
  69 <a name="l00068"></a><a class="code" href="g_i_l_0040.html">00068</a> <span class="keyword">class </span><a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a> {
  70 <a name="l00069"></a>00069 <span class="keyword">public</span>:
  71 <a name="l00070"></a>00070
  72 <a name="l00071"></a>00071 <span class="comment">// typedefs required by ConstRandomAccessNDImageViewConcept</span>
  73 <a name="l00072"></a>00072     <span class="keyword">static</span> <span class="keyword">const</span> std::size_t num_dimensions=2;
  74 <a name="l00073"></a>00073     <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::value_type                 value_type;
  75 <a name="l00074"></a>00074     <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::reference                  reference;       <span class="comment">// result of dereferencing</span>
  76 <a name="l00075"></a>00075     <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::coord_t                    coord_t;      <span class="comment">// 1D difference type (same for all dimensions)</span>
  77 <a name="l00076"></a>00076     <span class="keyword">typedef</span> coord_t                                  difference_type; <span class="comment">// result of operator-(1d_iterator,1d_iterator)</span>
  78 <a name="l00077"></a>00077     <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::point_t                    point_t;
  79 <a name="l00078"></a>00078     <span class="keyword">typedef</span> Loc                                      locator;
  80 <a name="l00079"></a>00079     <span class="keyword">typedef</span> <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view&lt;typename Loc::const_t&gt;</a>        <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">const_t</a>;      <span class="comment">// same as this type, but over const values</span>
  81 <a name="l00080"></a>00080     <span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> D&gt; <span class="keyword">struct </span>axis {
  82 <a name="l00081"></a>00081         <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::template axis&lt;D&gt;::coord_t  coord_t;     <span class="comment">// difference_type along each dimension</span>
  83 <a name="l00082"></a>00082         <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::template axis&lt;D&gt;::iterator <a class="code" href="g_i_l_0042.html" title="Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator</a>;       <span class="comment">// 1D iterator type along each dimension</span>
  84 <a name="l00083"></a>00083     };
  85 <a name="l00084"></a>00084     <span class="keyword">typedef</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&lt;Loc&gt;</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</a>;       <span class="comment">// 1D iterator type for each pixel left-to-right inside top-to-bottom</span>
  86 <a name="l00085"></a>00085     <span class="keyword">typedef</span> std::reverse_iterator&lt;iterator&gt;          reverse_iterator;
  87 <a name="l00086"></a>00086     <span class="keyword">typedef</span> std::size_t                              size_type;
  88 <a name="l00087"></a>00087
  89 <a name="l00088"></a>00088 <span class="comment">// typedefs required by ConstRandomAccess2DImageViewConcept</span>
  90 <a name="l00089"></a>00089     <span class="keyword">typedef</span> locator                                  xy_locator;
  91 <a name="l00090"></a>00090     <span class="keyword">typedef</span> <span class="keyword">typename</span> xy_locator::x_iterator          x_iterator;     <span class="comment">// pixel iterator along a row</span>
  92 <a name="l00091"></a>00091     <span class="keyword">typedef</span> <span class="keyword">typename</span> xy_locator::y_iterator          y_iterator;     <span class="comment">// pixel iterator along a column</span>
  93 <a name="l00092"></a>00092     <span class="keyword">typedef</span> <span class="keyword">typename</span> xy_locator::x_coord_t           x_coord_t;
  94 <a name="l00093"></a>00093     <span class="keyword">typedef</span> <span class="keyword">typename</span> xy_locator::y_coord_t           y_coord_t;
  95 <a name="l00094"></a>00094
  96 <a name="l00095"></a>00095     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Deref&gt; <span class="keyword">struct </span>add_deref {
  97 <a name="l00096"></a>00096         <span class="keyword">typedef</span> <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view&lt;typename Loc::template add_deref&lt;Deref&gt;::type</a>&gt; type;
  98 <a name="l00097"></a>00097         <span class="keyword">static</span> type make(<span class="keyword">const</span> <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view&lt;Loc&gt;</a>&amp; iv, <span class="keyword">const</span> Deref&amp; d) { <span class="keywordflow">return</span> type(iv.<a class="code" href="g_i_l_0040.html#f723fb36aee62ac02924637371797b7a">dimensions</a>(), Loc::template add_deref&lt;Deref&gt;::make(iv.<a class="code" href="g_i_l_0040.html#7f9a22f910e7761f30e4b905e65c1ad2">pixels</a>(),d)); }
  99 <a name="l00098"></a>00098     };
 100 <a name="l00099"></a>00099
 101 <a name="l00100"></a>00100     <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a>() : _dimensions(0,0) {}
 102 <a name="l00101"></a>00101     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt; <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a>(<span class="keyword">const</span> View&amp; iv)                                    : _dimensions(iv.dimensions()), _pixels(iv.pixels()) {}
 103 <a name="l00102"></a>00102
 104 <a name="l00103"></a>00103     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L2&gt; <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a>(<span class="keyword">const</span> point_t&amp; sz            , <span class="keyword">const</span> L2&amp; loc)        : _dimensions(sz),          _pixels(loc) {}
 105 <a name="l00104"></a>00104     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L2&gt; <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a>(coord_t width, coord_t height, <span class="keyword">const</span> L2&amp; loc)        : _dimensions(x_coord_t(width),y_coord_t(height)), _pixels(loc) {}
 106 <a name="l00105"></a>00105
 107 <a name="l00106"></a>00106     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt; <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a>&amp; operator=(<span class="keyword">const</span> View&amp; iv)  { _pixels=iv.pixels(); _dimensions=iv.dimensions(); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
 108 <a name="l00107"></a>00107     <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a>&amp; iv)                     { _pixels=iv.<a class="code" href="g_i_l_0040.html#7f9a22f910e7761f30e4b905e65c1ad2">pixels</a>(); _dimensions=iv.<a class="code" href="g_i_l_0040.html#f723fb36aee62ac02924637371797b7a">dimensions</a>(); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
 109 <a name="l00108"></a>00108
 110 <a name="l00109"></a>00109     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt; <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> View&amp; v)<span class="keyword"> const   </span>{ <span class="keywordflow">return</span> pixels()==v.pixels() &amp;&amp; dimensions()==v.dimensions(); }
 111 <a name="l00110"></a>00110     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt; <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> View&amp; v)<span class="keyword"> const   </span>{ <span class="keywordflow">return</span> !(*<span class="keyword">this</span>==v); }
 112 <a name="l00111"></a>00111
 113 <a name="l00112"></a>00112     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L2&gt; <span class="keyword">friend</span> <span class="keywordtype">void</span> swap(<a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view&lt;L2&gt;</a>&amp; x, <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view&lt;L2&gt;</a>&amp; y);
 114 <a name="l00113"></a>00113
 115 <a name="l00114"></a>00114     <span class="keyword">const</span> point_t&amp;   dimensions()<span class="keyword">            const </span>{ <span class="keywordflow">return</span> _dimensions; }
 116 <a name="l00115"></a>00115     <span class="keyword">const</span> locator&amp;   pixels()<span class="keyword">                const </span>{ <span class="keywordflow">return</span> _pixels; }
 117 <a name="l00116"></a>00116     x_coord_t        width()<span class="keyword">                 const </span>{ <span class="keywordflow">return</span> dimensions().x; }
 118 <a name="l00117"></a>00117     y_coord_t        height()<span class="keyword">                const </span>{ <span class="keywordflow">return</span> dimensions().y; }
 119 <a name="l00118"></a>00118     std::size_t      <a class="code" href="g_i_l_0581.html" title="Returns the number of channels of a pixel-based GIL construct.">num_channels</a>()<span class="keyword">          const </span>{ <span class="keywordflow">return</span> <a class="code" href="g_i_l_0581.html" title="Returns the number of channels of a pixel-based GIL construct.">gil::num_channels&lt;value_type&gt;::value</a>; }
 120 <a name="l00119"></a>00119     <span class="keywordtype">bool</span>             is_1d_traversable()<span class="keyword">     const </span>{ <span class="keywordflow">return</span> _pixels.is_1d_traversable(width()); }
 121 <a name="l00120"></a>00120
 122 <a name="l00121"></a>00121     <span class="comment">//\{@</span>
 123 <a name="l00123"></a>00123 <span class="comment"></span>    size_type           <a class="code" href="g_i_l_0621.html" title="Returns an MPL integral type specifying the number of elements in a color base.">size</a>()<span class="keyword">               const </span>{ <span class="keywordflow">return</span> width()*height(); }
 124 <a name="l00124"></a>00124     <a class="code" href="g_i_l_0042.html" title="Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator</a>            begin()<span class="keyword">              const </span>{ <span class="keywordflow">return</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</a>(_pixels,_dimensions.x); }
 125 <a name="l00125"></a>00125     <a class="code" href="g_i_l_0042.html" title="Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator</a>            end()<span class="keyword">                const </span>{ <span class="keywordflow">return</span> begin()+(difference_type)<a class="code" href="g_i_l_0621.html" title="Returns an MPL integral type specifying the number of elements in a color base.">size</a>(); }    <span class="comment">// potential performance problem!</span>
 126 <a name="l00126"></a>00126     reverse_iterator    rbegin()<span class="keyword">             const </span>{ <span class="keywordflow">return</span> reverse_iterator(end()); }
 127 <a name="l00127"></a>00127     reverse_iterator    rend()<span class="keyword">               const </span>{ <span class="keywordflow">return</span> reverse_iterator(begin()); }
 128 <a name="l00128"></a>00128     reference operator[](difference_type i)<span class="keyword">  const </span>{ <span class="keywordflow">return</span> begin()[i]; }        <span class="comment">// potential performance problem!</span>
 129 <a name="l00129"></a>00129     <a class="code" href="g_i_l_0042.html" title="Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator</a>            at(difference_type i)<span class="keyword">const </span>{ <span class="keywordflow">return</span> begin()+i; }
 130 <a name="l00130"></a>00130     <a class="code" href="g_i_l_0042.html" title="Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator</a>            at(<span class="keyword">const</span> point_t&amp; p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> begin()+p.y*width()+p.<a class="code" href="g_i_l_0042.html#72169bdc650ac7eda288398e4ce1d7f8">x</a>; }
 131 <a name="l00131"></a>00131     <a class="code" href="g_i_l_0042.html" title="Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept...">iterator</a>            at(x_coord_t x, y_coord_t y)<span class="keyword">const </span>{ <span class="keywordflow">return</span> begin()+y*width()+x; }
 132 <a name="l00132"></a>00132
 133 <a name="l00133"></a>00133     <span class="comment">//\}@</span>
 134 <a name="l00134"></a>00134
 135 <a name="l00135"></a>00135     <span class="comment">//\{@</span>
 136 <a name="l00137"></a>00137 <span class="comment"></span>    reference operator()(<span class="keyword">const</span> point_t&amp; p)<span class="keyword">        const </span>{ <span class="keywordflow">return</span> _pixels(p.x,p.y); }
 137 <a name="l00138"></a>00138     reference operator()(x_coord_t x, y_coord_t y)<span class="keyword">const </span>{ <span class="keywordflow">return</span> _pixels(x,y); }
 138 <a name="l00139"></a>00139     <span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> D&gt; <span class="keyword">typename</span> axis&lt;D&gt;::iterator axis_iterator(<span class="keyword">const</span> point_t&amp; p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _pixels.axis_iterator&lt;D&gt;(p); }
 139 <a name="l00140"></a>00140     xy_locator xy_at(x_coord_t x, y_coord_t y)<span class="keyword">    const </span>{ <span class="keywordflow">return</span> _pixels+point_t(x_coord_t(x),y_coord_t(y)); }
 140 <a name="l00141"></a>00141     locator    xy_at(<span class="keyword">const</span> point_t&amp; p)<span class="keyword">            const </span>{ <span class="keywordflow">return</span> _pixels+p; }
 141 <a name="l00142"></a>00142     <span class="comment">//\}@</span>
 142 <a name="l00143"></a>00143
 143 <a name="l00144"></a>00144     <span class="comment">//\{@</span>
 144 <a name="l00146"></a>00146 <span class="comment"></span>    x_iterator x_at(x_coord_t x, y_coord_t y)<span class="keyword">     const </span>{ <span class="keywordflow">return</span> _pixels.x_at(x,y); }
 145 <a name="l00147"></a>00147     x_iterator x_at(<span class="keyword">const</span> point_t&amp; p)<span class="keyword">             const </span>{ <span class="keywordflow">return</span> _pixels.x_at(p); }
 146 <a name="l00148"></a>00148     x_iterator row_begin(y_coord_t y)<span class="keyword">             const </span>{ <span class="keywordflow">return</span> x_at(0,y); }
 147 <a name="l00149"></a>00149     x_iterator row_end(y_coord_t y)<span class="keyword">               const </span>{ <span class="keywordflow">return</span> x_at(width(),y); }
 148 <a name="l00150"></a>00150     <span class="comment">//\}@</span>
 149 <a name="l00151"></a>00151
 150 <a name="l00152"></a>00152     <span class="comment">//\{@</span>
 151 <a name="l00154"></a>00154 <span class="comment"></span>    y_iterator y_at(x_coord_t x, y_coord_t y)<span class="keyword">     const </span>{ <span class="keywordflow">return</span> xy_at(x,y).y(); }
 152 <a name="l00155"></a>00155     y_iterator y_at(<span class="keyword">const</span> point_t&amp; p)<span class="keyword">             const </span>{ <span class="keywordflow">return</span> xy_at(p).y(); }
 153 <a name="l00156"></a>00156     y_iterator col_begin(x_coord_t x)<span class="keyword">             const </span>{ <span class="keywordflow">return</span> y_at(x,0); }
 154 <a name="l00157"></a>00157     y_iterator col_end(x_coord_t x)<span class="keyword">               const </span>{ <span class="keywordflow">return</span> y_at(x,height()); }
 155 <a name="l00158"></a>00158     <span class="comment">//\}@</span>
 156 <a name="l00159"></a>00159
 157 <a name="l00160"></a>00160 <span class="keyword">private</span>:
 158 <a name="l00161"></a>00161     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L2&gt; <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view</a>;
 159 <a name="l00162"></a>00162
 160 <a name="l00163"></a>00163     point_t    _dimensions;
 161 <a name="l00164"></a>00164     xy_locator _pixels;
 162 <a name="l00165"></a>00165 };
 163 <a name="l00166"></a>00166
 164 <a name="l00167"></a>00167 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L2&gt;
 165 <a name="l00168"></a>00168 <span class="keyword">inline</span> <span class="keywordtype">void</span> swap(<a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view&lt;L2&gt;</a>&amp; x, <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">image_view&lt;L2&gt;</a>&amp; y) {
 166 <a name="l00169"></a>00169     <span class="keyword">using</span> std::swap;
 167 <a name="l00170"></a>00170     swap(x.<a class="code" href="g_i_l_0040.html#4b6c18487b75c02caedefccfcc2ee7ab">_dimensions</a>,y.<a class="code" href="g_i_l_0040.html#4b6c18487b75c02caedefccfcc2ee7ab">_dimensions</a>);
 168 <a name="l00171"></a>00171     swap(x.<a class="code" href="g_i_l_0040.html#2c1d0251e70faa94b7c81be2a2a7fef8">_pixels</a>, y.<a class="code" href="g_i_l_0040.html#2c1d0251e70faa94b7c81be2a2a7fef8">_pixels</a>);            <span class="comment">// TODO: Extend further</span>
 169 <a name="l00172"></a>00172 }
 170 <a name="l00173"></a>00173
 171 <a name="l00175"></a>00175 <span class="comment">//  PixelBasedConcept</span>
 172 <a name="l00177"></a>00177 <span class="comment"></span>
 173 <a name="l00178"></a>00178 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt;
 174 <a name="l00179"></a>00179 <span class="keyword">struct </span>channel_type&lt;image_view&lt;L&gt; &gt; : <span class="keyword">public</span> channel_type&lt;L&gt; {};
 175 <a name="l00180"></a>00180
 176 <a name="l00181"></a>00181 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt;
 177 <a name="l00182"></a>00182 <span class="keyword">struct </span>color_space_type&lt;image_view&lt;L&gt; &gt; : <span class="keyword">public</span> color_space_type&lt;L&gt; {};
 178 <a name="l00183"></a>00183
 179 <a name="l00184"></a>00184 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt;
 180 <a name="l00185"></a>00185 <span class="keyword">struct </span>channel_mapping_type&lt;image_view&lt;L&gt; &gt; : <span class="keyword">public</span> channel_mapping_type&lt;L&gt; {};
 181 <a name="l00186"></a>00186
 182 <a name="l00187"></a>00187 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt;
 183 <a name="l00188"></a>00188 <span class="keyword">struct </span>is_planar&lt;image_view&lt;L&gt; &gt; : <span class="keyword">public</span> is_planar&lt;L&gt; {};
 184 <a name="l00189"></a>00189
 185 <a name="l00191"></a>00191 <span class="comment">//  HasDynamicXStepTypeConcept</span>
 186 <a name="l00193"></a>00193 <span class="comment"></span>
 187 <a name="l00194"></a>00194 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt;
 188 <a name="l00195"></a>00195 <span class="keyword">struct </span>dynamic_x_step_type&lt;image_view&lt;L&gt; &gt; {
 189 <a name="l00196"></a>00196     <span class="keyword">typedef</span> image_view&lt;typename dynamic_x_step_type&lt;L&gt;::type&gt; type;
 190 <a name="l00197"></a>00197 };
 191 <a name="l00198"></a>00198
 192 <a name="l00200"></a>00200 <span class="comment">//  HasDynamicYStepTypeConcept</span>
 193 <a name="l00202"></a>00202 <span class="comment"></span>
 194 <a name="l00203"></a>00203 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt;
 195 <a name="l00204"></a>00204 <span class="keyword">struct </span>dynamic_y_step_type&lt;image_view&lt;L&gt; &gt; {
 196 <a name="l00205"></a>00205     <span class="keyword">typedef</span> image_view&lt;typename dynamic_y_step_type&lt;L&gt;::type&gt; type;
 197 <a name="l00206"></a>00206 };
 198 <a name="l00207"></a>00207
 199 <a name="l00209"></a>00209 <span class="comment">//  HasTransposedTypeConcept</span>
 200 <a name="l00211"></a>00211 <span class="comment"></span>
 201 <a name="l00212"></a>00212 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt;
 202 <a name="l00213"></a>00213 <span class="keyword">struct </span>transposed_type&lt;image_view&lt;L&gt; &gt; {
 203 <a name="l00214"></a>00214     <span class="keyword">typedef</span> image_view&lt;typename transposed_type&lt;L&gt;::type&gt; type;
 204 <a name="l00215"></a>00215 };
 205 <a name="l00216"></a>00216
 206 <a name="l00217"></a>00217 } }  <span class="comment">// namespace boost::gil</span>
 207 <a name="l00218"></a>00218
 208 <a name="l00219"></a>00219 <span class="comment">//#ifdef _MSC_VER</span>
 209 <a name="l00220"></a>00220 <span class="comment">//#pragma warning(pop)</span>
 210 <a name="l00221"></a>00221 <span class="comment">//#endif</span>
 211 <a name="l00222"></a>00222
 212 <a name="l00223"></a>00223 <span class="preprocessor">#endif</span>
 213 </pre></div></div>
 214 <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:14 2009 for Generic Image Library by&nbsp;
 215 <a href="http://www.doxygen.org/index.html">
 216 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
 217 </body>
 218 </html>