<!-- Copyright 2008 Lubomir Bourdev and Hailin Jin Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> <!-- Copyright 2005-2007 Adobe Systems Incorporated Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt or a copy at http://stlab.adobe.com/licenses.html) Some files are held under additional license. Please see "http://stlab.adobe.com/licenses.html" for more information. --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <TITLE>Generic Image Library: image_view.hpp Source File</TITLE> <META HTTP-EQUIV="content-type" CONTENT="text/html;charset=ISO-8859-1"/> <LINK TYPE="text/css" REL="stylesheet" HREF="adobe_source.css"/> </head> <body> <table border="0" cellspacing="0" cellpadding="0" style='width: 100%; margin: 0; padding: 0'><tr> <td width="100%" valign="top" style='padding-left: 10px; padding-right: 10px; padding-bottom: 10px'> <div class="qindex"><a class="qindex" href="index.html">Modules</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="../index.html">GIL Home Page</a> </div> <!-- End Header --> <!-- Generated by Doxygen 1.5.6 --> <div class="navpath"><a class="el" href="g_i_l_0076.html">boost</a> » <a class="el" href="g_i_l_0079.html">gil</a> </div> <div class="contents"> <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> <a name="l00002"></a>00002 <span class="comment"> Copyright 2005-2007 Adobe Systems Incorporated</span> <a name="l00003"></a>00003 <span class="comment"> </span> <a name="l00004"></a>00004 <span class="comment"> Use, modification and distribution are subject to the Boost Software License,</span> <a name="l00005"></a>00005 <span class="comment"> Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span> <a name="l00006"></a>00006 <span class="comment"> http://www.boost.org/LICENSE_1_0.txt).</span> <a name="l00007"></a>00007 <span class="comment"></span> <a name="l00008"></a>00008 <span class="comment"> See http://opensource.adobe.com/gil for most recent version including documentation.</span> <a name="l00009"></a>00009 <span class="comment">*/</span> <a name="l00010"></a>00010 <span class="comment">/*************************************************************************************************/</span> <a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="preprocessor">#ifndef GIL_IMAGE_VIEW_H</span> <a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define GIL_IMAGE_VIEW_H</span> <a name="l00014"></a>00014 <span class="preprocessor"></span> <a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="preprocessor">#include <cstddef></span> <a name="l00025"></a>00025 <span class="preprocessor">#include <iterator></span> <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> <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> <a name="l00028"></a>00028 <a name="l00029"></a>00029 <span class="comment">//#ifdef _MSC_VER</span> <a name="l00030"></a>00030 <span class="comment">//#pragma warning(push)</span> <a name="l00031"></a>00031 <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> <a name="l00032"></a>00032 <span class="comment">//#endif</span> <a name="l00033"></a>00033 <a name="l00034"></a>00034 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil { <a name="l00035"></a>00035 <a name="l00067"></a>00067 <span class="keyword">template</span> <<span class="keyword">typename</span> Loc> <span class="comment">// Models 2D Pixel Locator</span> <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> { <a name="l00069"></a>00069 <span class="keyword">public</span>: <a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="comment">// typedefs required by ConstRandomAccessNDImageViewConcept</span> <a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keyword">const</span> std::size_t num_dimensions=2; <a name="l00073"></a>00073 <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::value_type value_type; <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> <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> <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> <a name="l00077"></a>00077 <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::point_t point_t; <a name="l00078"></a>00078 <span class="keyword">typedef</span> Loc locator; <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<typename Loc::const_t></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> <a name="l00080"></a>00080 <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> D> <span class="keyword">struct </span>axis { <a name="l00081"></a>00081 <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::template axis<D>::coord_t coord_t; <span class="comment">// difference_type along each dimension</span> <a name="l00082"></a>00082 <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc::template axis<D>::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> <a name="l00083"></a>00083 }; <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<Loc></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> <a name="l00085"></a>00085 <span class="keyword">typedef</span> std::reverse_iterator<iterator> reverse_iterator; <a name="l00086"></a>00086 <span class="keyword">typedef</span> std::size_t size_type; <a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="comment">// typedefs required by ConstRandomAccess2DImageViewConcept</span> <a name="l00089"></a>00089 <span class="keyword">typedef</span> locator xy_locator; <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> <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> <a name="l00092"></a>00092 <span class="keyword">typedef</span> <span class="keyword">typename</span> xy_locator::x_coord_t x_coord_t; <a name="l00093"></a>00093 <span class="keyword">typedef</span> <span class="keyword">typename</span> xy_locator::y_coord_t y_coord_t; <a name="l00094"></a>00094 <a name="l00095"></a>00095 <span class="keyword">template</span> <<span class="keyword">typename</span> Deref> <span class="keyword">struct </span>add_deref { <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<typename Loc::template add_deref<Deref>::type</a>> type; <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<Loc></a>& iv, <span class="keyword">const</span> Deref& d) { <span class="keywordflow">return</span> type(iv.<a class="code" href="g_i_l_0040.html#f723fb36aee62ac02924637371797b7a">dimensions</a>(), Loc::template add_deref<Deref>::make(iv.<a class="code" href="g_i_l_0040.html#7f9a22f910e7761f30e4b905e65c1ad2">pixels</a>(),d)); } <a name="l00098"></a>00098 }; <a name="l00099"></a>00099 <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) {} <a name="l00101"></a>00101 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <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& iv) : _dimensions(iv.dimensions()), _pixels(iv.pixels()) {} <a name="l00102"></a>00102 <a name="l00103"></a>00103 <span class="keyword">template</span> <<span class="keyword">typename</span> L2> <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& sz , <span class="keyword">const</span> L2& loc) : _dimensions(sz), _pixels(loc) {} <a name="l00104"></a>00104 <span class="keyword">template</span> <<span class="keyword">typename</span> L2> <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& loc) : _dimensions(x_coord_t(width),y_coord_t(height)), _pixels(loc) {} <a name="l00105"></a>00105 <a name="l00106"></a>00106 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <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>& operator=(<span class="keyword">const</span> View& iv) { _pixels=iv.pixels(); _dimensions=iv.dimensions(); <span class="keywordflow">return</span> *<span class="keyword">this</span>; } <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>& 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>& 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>; } <a name="l00108"></a>00108 <a name="l00109"></a>00109 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> View& v)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> pixels()==v.pixels() && dimensions()==v.dimensions(); } <a name="l00110"></a>00110 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> View& v)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !(*<span class="keyword">this</span>==v); } <a name="l00111"></a>00111 <a name="l00112"></a>00112 <span class="keyword">template</span> <<span class="keyword">typename</span> L2> <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<L2></a>& 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<L2></a>& y); <a name="l00113"></a>00113 <a name="l00114"></a>00114 <span class="keyword">const</span> point_t& dimensions()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _dimensions; } <a name="l00115"></a>00115 <span class="keyword">const</span> locator& pixels()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _pixels; } <a name="l00116"></a>00116 x_coord_t width()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> dimensions().x; } <a name="l00117"></a>00117 y_coord_t height()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> dimensions().y; } <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<value_type>::value</a>; } <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()); } <a name="l00120"></a>00120 <a name="l00121"></a>00121 <span class="comment">//\{@</span> <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(); } <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); } <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> <a name="l00126"></a>00126 reverse_iterator rbegin()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> reverse_iterator(end()); } <a name="l00127"></a>00127 reverse_iterator rend()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> reverse_iterator(begin()); } <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> <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; } <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& 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>; } <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; } <a name="l00132"></a>00132 <a name="l00133"></a>00133 <span class="comment">//\}@</span> <a name="l00134"></a>00134 <a name="l00135"></a>00135 <span class="comment">//\{@</span> <a name="l00137"></a>00137 <span class="comment"></span> reference operator()(<span class="keyword">const</span> point_t& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _pixels(p.x,p.y); } <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); } <a name="l00139"></a>00139 <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> D> <span class="keyword">typename</span> axis<D>::iterator axis_iterator(<span class="keyword">const</span> point_t& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _pixels.axis_iterator<D>(p); } <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)); } <a name="l00141"></a>00141 locator xy_at(<span class="keyword">const</span> point_t& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _pixels+p; } <a name="l00142"></a>00142 <span class="comment">//\}@</span> <a name="l00143"></a>00143 <a name="l00144"></a>00144 <span class="comment">//\{@</span> <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); } <a name="l00147"></a>00147 x_iterator x_at(<span class="keyword">const</span> point_t& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _pixels.x_at(p); } <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); } <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); } <a name="l00150"></a>00150 <span class="comment">//\}@</span> <a name="l00151"></a>00151 <a name="l00152"></a>00152 <span class="comment">//\{@</span> <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(); } <a name="l00155"></a>00155 y_iterator y_at(<span class="keyword">const</span> point_t& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> xy_at(p).y(); } <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); } <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()); } <a name="l00158"></a>00158 <span class="comment">//\}@</span> <a name="l00159"></a>00159 <a name="l00160"></a>00160 <span class="keyword">private</span>: <a name="l00161"></a>00161 <span class="keyword">template</span> <<span class="keyword">typename</span> L2> <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>; <a name="l00162"></a>00162 <a name="l00163"></a>00163 point_t _dimensions; <a name="l00164"></a>00164 xy_locator _pixels; <a name="l00165"></a>00165 }; <a name="l00166"></a>00166 <a name="l00167"></a>00167 <span class="keyword">template</span> <<span class="keyword">typename</span> L2> <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<L2></a>& 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<L2></a>& y) { <a name="l00169"></a>00169 <span class="keyword">using</span> std::swap; <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>); <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> <a name="l00172"></a>00172 } <a name="l00173"></a>00173 <a name="l00175"></a>00175 <span class="comment">// PixelBasedConcept</span> <a name="l00177"></a>00177 <span class="comment"></span> <a name="l00178"></a>00178 <span class="keyword">template</span> <<span class="keyword">typename</span> L> <a name="l00179"></a>00179 <span class="keyword">struct </span>channel_type<image_view<L> > : <span class="keyword">public</span> channel_type<L> {}; <a name="l00180"></a>00180 <a name="l00181"></a>00181 <span class="keyword">template</span> <<span class="keyword">typename</span> L> <a name="l00182"></a>00182 <span class="keyword">struct </span>color_space_type<image_view<L> > : <span class="keyword">public</span> color_space_type<L> {}; <a name="l00183"></a>00183 <a name="l00184"></a>00184 <span class="keyword">template</span> <<span class="keyword">typename</span> L> <a name="l00185"></a>00185 <span class="keyword">struct </span>channel_mapping_type<image_view<L> > : <span class="keyword">public</span> channel_mapping_type<L> {}; <a name="l00186"></a>00186 <a name="l00187"></a>00187 <span class="keyword">template</span> <<span class="keyword">typename</span> L> <a name="l00188"></a>00188 <span class="keyword">struct </span>is_planar<image_view<L> > : <span class="keyword">public</span> is_planar<L> {}; <a name="l00189"></a>00189 <a name="l00191"></a>00191 <span class="comment">// HasDynamicXStepTypeConcept</span> <a name="l00193"></a>00193 <span class="comment"></span> <a name="l00194"></a>00194 <span class="keyword">template</span> <<span class="keyword">typename</span> L> <a name="l00195"></a>00195 <span class="keyword">struct </span>dynamic_x_step_type<image_view<L> > { <a name="l00196"></a>00196 <span class="keyword">typedef</span> image_view<typename dynamic_x_step_type<L>::type> type; <a name="l00197"></a>00197 }; <a name="l00198"></a>00198 <a name="l00200"></a>00200 <span class="comment">// HasDynamicYStepTypeConcept</span> <a name="l00202"></a>00202 <span class="comment"></span> <a name="l00203"></a>00203 <span class="keyword">template</span> <<span class="keyword">typename</span> L> <a name="l00204"></a>00204 <span class="keyword">struct </span>dynamic_y_step_type<image_view<L> > { <a name="l00205"></a>00205 <span class="keyword">typedef</span> image_view<typename dynamic_y_step_type<L>::type> type; <a name="l00206"></a>00206 }; <a name="l00207"></a>00207 <a name="l00209"></a>00209 <span class="comment">// HasTransposedTypeConcept</span> <a name="l00211"></a>00211 <span class="comment"></span> <a name="l00212"></a>00212 <span class="keyword">template</span> <<span class="keyword">typename</span> L> <a name="l00213"></a>00213 <span class="keyword">struct </span>transposed_type<image_view<L> > { <a name="l00214"></a>00214 <span class="keyword">typedef</span> image_view<typename transposed_type<L>::type> type; <a name="l00215"></a>00215 }; <a name="l00216"></a>00216 <a name="l00217"></a>00217 } } <span class="comment">// namespace boost::gil</span> <a name="l00218"></a>00218 <a name="l00219"></a>00219 <span class="comment">//#ifdef _MSC_VER</span> <a name="l00220"></a>00220 <span class="comment">//#pragma warning(pop)</span> <a name="l00221"></a>00221 <span class="comment">//#endif</span> <a name="l00222"></a>00222 <a name="l00223"></a>00223 <span class="preprocessor">#endif</span> </pre></div></div> <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:14 2009 for Generic Image Library by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> </body> </html>