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  1. <!-- Copyright 2008 Lubomir Bourdev and Hailin Jin
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  22.     <TITLE>Generic Image Library: metafunctions.hpp Source File</TITLE>
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  29. <div class="qindex"><a class="qindex" href="index.html">Modules</a> 
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  38.   <div class="navpath"><a class="el" href="g_i_l_0076.html">boost</a>&nbsp;&raquo&nbsp;<a class="el" href="g_i_l_0079.html">gil</a>
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  40. <div class="contents">
    41. 

  41. <h1>metafunctions.hpp</h1><a href="g_i_l_0238.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. 

  42. <a name="l00002"></a>00002 <span class="comment">    Copyright 2005-2007 Adobe Systems Incorporated</span>
    43. 

  43. <a name="l00003"></a>00003 <span class="comment">   </span>
    44. 

  44. <a name="l00004"></a>00004 <span class="comment">    Use, modification and distribution are subject to the Boost Software License,</span>
    45. 

  45. <a name="l00005"></a>00005 <span class="comment">    Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
    46. 

  46. <a name="l00006"></a>00006 <span class="comment">    http://www.boost.org/LICENSE_1_0.txt).</span>
    47. 

  47. <a name="l00007"></a>00007 <span class="comment"></span>
    48. 

  48. <a name="l00008"></a>00008 <span class="comment">    See http://opensource.adobe.com/gil for most recent version including documentation.</span>
    49. 

  49. <a name="l00009"></a>00009 <span class="comment">*/</span>
    50. 

  50. <a name="l00010"></a>00010 
    51. 

  51. <a name="l00011"></a>00011 <span class="comment">/*************************************************************************************************/</span>
    52. 

  52. <a name="l00012"></a>00012 
    53. 

  53. <a name="l00013"></a>00013 <span class="preprocessor">#ifndef GIL_METAFUNCTIONS_HPP</span>
    54. 

  54. <a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define GIL_METAFUNCTIONS_HPP</span>
    55. 

  55. <a name="l00015"></a>00015 <span class="preprocessor"></span>
    56. 

  56. <a name="l00025"></a>00025 
    57. 

  57. <a name="l00026"></a>00026 <span class="preprocessor">#include &lt;iterator&gt;</span>
    58. 

  58. <a name="l00027"></a>00027 <span class="preprocessor">#include &lt;boost/mpl/accumulate.hpp&gt;</span>
    59. 

  59. <a name="l00028"></a>00028 <span class="preprocessor">#include &lt;boost/mpl/back.hpp&gt;</span>
    60. 

  60. <a name="l00029"></a>00029 <span class="preprocessor">#include &lt;boost/mpl/bool.hpp&gt;</span>
    61. 

  61. <a name="l00030"></a>00030 <span class="preprocessor">#include &lt;boost/mpl/if.hpp&gt;</span>
    62. 

  62. <a name="l00031"></a>00031 <span class="preprocessor">#include &lt;boost/mpl/pop_back.hpp&gt;</span>
    63. 

  63. <a name="l00032"></a>00032 <span class="preprocessor">#include &lt;boost/mpl/push_back.hpp&gt;</span>
    64. 

  64. <a name="l00033"></a>00033 <span class="preprocessor">#include &lt;boost/mpl/transform.hpp&gt;</span>
    65. 

  65. <a name="l00034"></a>00034 <span class="preprocessor">#include &lt;boost/mpl/vector.hpp&gt;</span>
    66. 

  66. <a name="l00035"></a>00035 <span class="preprocessor">#include &lt;boost/type_traits.hpp&gt;</span>
    67. 

  67. <a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="g_i_l_0094.html" title="GIL configuration file.">gil_config.hpp</a>"</span>
    68. 

  68. <a name="l00037"></a>00037 <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>
    69. 

  69. <a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="channel_8hpp.html" title="Channel utilities.">channel.hpp</a>"</span>
    70. 

  70. <a name="l00039"></a>00039 
    71. 

  71. <a name="l00040"></a>00040 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {
    72. 

  72. <a name="l00041"></a>00041 
    73. 

  73. <a name="l00042"></a>00042 <span class="comment">// forward declarations</span>
    74. 

  74. <a name="l00043"></a>00043 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span>pixel;
    75. 

  75. <a name="l00044"></a>00044 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField,<span class="keyword">typename</span> ChannelRefVec,<span class="keyword">typename</span> Layout&gt; <span class="keyword">struct </span>packed_pixel;
    76. 

  76. <a name="l00045"></a>00045 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> C&gt; <span class="keyword">struct </span>planar_pixel_reference;
    77. 

  77. <a name="l00046"></a>00046 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C&gt; <span class="keyword">struct </span>planar_pixel_iterator;
    78. 

  78. <a name="l00047"></a>00047 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> I&gt; <span class="keyword">class </span>memory_based_step_iterator;
    79. 

  79. <a name="l00048"></a>00048 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> I&gt; <span class="keyword">class </span>memory_based_2d_locator;
    80. 

  80. <a name="l00049"></a>00049 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt; <span class="keyword">class </span>image_view;
    81. 

  81. <a name="l00050"></a>00050 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt; <span class="keyword">class </span>image;
    82. 

  82. <a name="l00051"></a>00051 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt; <span class="keyword">struct </span>channel_type;
    83. 

  83. <a name="l00052"></a>00052 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt; <span class="keyword">struct </span>color_space_type;
    84. 

  84. <a name="l00053"></a>00053 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt; <span class="keyword">struct </span>channel_mapping_type;
    85. 

  85. <a name="l00054"></a>00054 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> It&gt; <span class="keyword">struct </span>is_iterator_adaptor;
    86. 

  86. <a name="l00055"></a>00055 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> It&gt; <span class="keyword">struct </span>iterator_adaptor_get_base;
    87. 

  87. <a name="l00056"></a>00056 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizes, <span class="keyword">typename</span> Layout, <span class="keywordtype">bool</span> IsMutable&gt; <span class="keyword">struct </span>bit_aligned_pixel_reference;
    88. 

  88. <a name="l00057"></a>00057 
    89. 

  89. <a name="l00064"></a>00064 
    90. 

  90. <a name="l00065"></a>00065 
    91. 

  91. <a name="l00072"></a>00072 
    92. 

  92. <a name="l00076"></a><a class="code" href="g_i_l_0601.html">00076</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef&gt;        <span class="keyword">struct </span><a class="code" href="g_i_l_0601.html" title="Determines if a given pixel reference is basic Basic references must use gil::pixel&amp;amp;...">pixel_reference_is_basic</a>                     : <span class="keyword">public</span> mpl::false_ {};
    93. 

  93. <a name="l00077"></a>00077 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T,  <span class="keyword">typename</span> L&gt;  <span class="keyword">struct </span><a class="code" href="g_i_l_0601.html" title="Determines if a given pixel reference is basic Basic references must use gil::pixel&amp;amp;...">pixel_reference_is_basic</a>&lt;      <a class="code" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel</a>&lt;T,L&gt;&amp;&gt;  : <span class="keyword">public</span> mpl::true_ {};
    94. 

  94. <a name="l00078"></a>00078 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T,  <span class="keyword">typename</span> L&gt;  <span class="keyword">struct </span>pixel_reference_is_basic&lt;const pixel&lt;T,L&gt;&amp;&gt;  : <span class="keyword">public</span> mpl::true_ {};
    95. 

  95. <a name="l00079"></a>00079 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> TR, <span class="keyword">typename</span> Cs&gt; <span class="keyword">struct </span>pixel_reference_is_basic&lt;planar_pixel_reference&lt;TR,Cs&gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    96. 

  96. <a name="l00080"></a>00080 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> TR, <span class="keyword">typename</span> Cs&gt; <span class="keyword">struct </span>pixel_reference_is_basic&lt;const planar_pixel_reference&lt;TR,Cs&gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    97. 

  97. <a name="l00081"></a>00081 
    98. 

  98. <a name="l00082"></a>00082 
    99. 

  99. <a name="l00086"></a>00086 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator&gt;
    100. 

  100. <a name="l00087"></a><a class="code" href="g_i_l_0549.html">00087</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0549.html" title="Determines if a given pixel iterator is basic Basic iterators must use gil::pixel...">iterator_is_basic</a> : <span class="keyword">public</span> mpl::false_ {};
    101. 

  101. <a name="l00088"></a>00088 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt;  <span class="comment">// mutable   interleaved</span>
    102. 

  102. <a name="l00089"></a>00089 <span class="keyword">struct </span><a class="code" href="g_i_l_0549.html" title="Determines if a given pixel iterator is basic Basic iterators must use gil::pixel...">iterator_is_basic</a>&lt;      <a class="code" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel</a>&lt;T,L&gt;*      &gt; : <span class="keyword">public</span> mpl::true_ {};
    103. 

  103. <a name="l00090"></a>00090 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt;  <span class="comment">// immutable interleaved</span>
    104. 

  104. <a name="l00091"></a>00091 <span class="keyword">struct </span>iterator_is_basic&lt;const pixel&lt;T,L&gt;*      &gt; : <span class="keyword">public</span> mpl::true_ {};
    105. 

  105. <a name="l00092"></a>00092 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Cs&gt;  <span class="comment">// mutable   planar</span>
    106. 

  106. <a name="l00093"></a>00093 <span class="keyword">struct </span>iterator_is_basic&lt;planar_pixel_iterator&lt;      T*,Cs&gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    107. 

  107. <a name="l00094"></a>00094 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Cs&gt;    <span class="comment">// immutable planar</span>
    108. 

  108. <a name="l00095"></a>00095 <span class="keyword">struct </span>iterator_is_basic&lt;planar_pixel_iterator&lt;const T*,Cs&gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    109. 

  109. <a name="l00096"></a>00096 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt;  <span class="comment">// mutable   interleaved step</span>
    110. 

  110. <a name="l00097"></a>00097 <span class="keyword">struct </span>iterator_is_basic&lt;memory_based_step_iterator&lt;      pixel&lt;T,L&gt;*&gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    111. 

  111. <a name="l00098"></a>00098 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt;  <span class="comment">// immutable interleaved step</span>
    112. 

  112. <a name="l00099"></a>00099 <span class="keyword">struct </span>iterator_is_basic&lt;memory_based_step_iterator&lt;const pixel&lt;T,L&gt;*&gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    113. 

  113. <a name="l00100"></a>00100 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Cs&gt;  <span class="comment">// mutable   planar step</span>
    114. 

  114. <a name="l00101"></a>00101 <span class="keyword">struct </span>iterator_is_basic&lt;memory_based_step_iterator&lt;planar_pixel_iterator&lt;      T*,Cs&gt; &gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    115. 

  115. <a name="l00102"></a>00102 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Cs&gt;    <span class="comment">// immutable planar step</span>
    116. 

  116. <a name="l00103"></a>00103 <span class="keyword">struct </span>iterator_is_basic&lt;memory_based_step_iterator&lt;planar_pixel_iterator&lt;const T*,Cs&gt; &gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    117. 

  117. <a name="l00104"></a>00104 
    118. 

  118. <a name="l00105"></a>00105 
    119. 

  119. <a name="l00108"></a><a class="code" href="g_i_l_0568.html">00108</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0568.html" title="Determines if a given locator is basic. A basic locator is memory-based and has basic...">locator_is_basic</a> : <span class="keyword">public</span> mpl::false_ {};
    120. 

  120. <a name="l00109"></a>00109 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0568.html" title="Determines if a given locator is basic. A basic locator is memory-based and has basic...">locator_is_basic</a>&lt;<a class="code" href="g_i_l_0044.html" title="Memory-based pixel locator. Models: PixelLocatorConcept,HasDynamicXStepTypeConcept...">memory_based_2d_locator</a>&lt;<a class="code" href="g_i_l_0046.html" title="Iterator with dynamically specified step in memory units (bytes or bits). Models...">memory_based_step_iterator</a>&lt;Iterator&gt; &gt; &gt; : <span class="keyword">public</span> <a class="code" href="g_i_l_0549.html" title="Determines if a given pixel iterator is basic Basic iterators must use gil::pixel...">iterator_is_basic</a>&lt;Iterator&gt; {};
    121. 

  121. <a name="l00110"></a>00110 
    122. 

  122. <a name="l00113"></a><a class="code" href="g_i_l_0628.html">00113</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0628.html" title="Basic views must be over basic locators.">view_is_basic</a> : <span class="keyword">public</span> mpl::false_ {};
    123. 

  123. <a name="l00114"></a>00114 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0628.html" title="Basic views must be over basic locators.">view_is_basic</a>&lt;<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>&lt;Loc&gt; &gt; : <span class="keyword">public</span> <a class="code" href="g_i_l_0568.html" title="Determines if a given locator is basic. A basic locator is memory-based and has basic...">locator_is_basic</a>&lt;Loc&gt; {};
    124. 

  124. <a name="l00115"></a>00115 
    125. 

  125. <a name="l00118"></a><a class="code" href="g_i_l_0538.html">00118</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Img&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0538.html" title="Basic images must use basic views and std::allocator of char.">image_is_basic</a> : <span class="keyword">public</span> mpl::false_ {};
    126. 

  126. <a name="l00119"></a>00119 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0538.html" title="Basic images must use basic views and std::allocator of char.">image_is_basic</a>&lt;<a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>&lt;Pixel,IsPlanar,Alloc&gt; &gt; : <span class="keyword">public</span> mpl::true_ {};
    127. 

  127. <a name="l00120"></a>00120 
    128. 

  128. <a name="l00121"></a>00121 
    129. 

  129. <a name="l00125"></a>00125 
    130. 

  130. <a name="l00126"></a>00126 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> I&gt; <span class="keyword">struct </span>iterator_is_step;
    131. 

  131. <a name="l00127"></a>00127 <span class="keyword">namespace </span>detail {
    132. 

  132. <a name="l00128"></a>00128     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> It, <span class="keywordtype">bool</span> IsBase, <span class="keywordtype">bool</span> EqualsStepType&gt; <span class="keyword">struct </span>iterator_is_step_impl;
    133. 

  133. <a name="l00129"></a>00129     <span class="comment">// iterator that has the same type as its dynamic_x_step_type must be a step iterator</span>
    134. 

  134. <a name="l00130"></a>00130     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> It, <span class="keywordtype">bool</span> IsBase&gt; <span class="keyword">struct </span>iterator_is_step_impl&lt;It,IsBase,true&gt; : <span class="keyword">public</span> mpl::true_{};
    135. 

  135. <a name="l00131"></a>00131 
    136. 

  136. <a name="l00132"></a>00132     <span class="comment">// base iterator can never be a step iterator</span>
    137. 

  137. <a name="l00133"></a>00133     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> It&gt; <span class="keyword">struct </span>iterator_is_step_impl&lt;It,true,false&gt; : <span class="keyword">public</span> mpl::false_{};
    138. 

  138. <a name="l00134"></a>00134 
    139. 

  139. <a name="l00135"></a>00135     <span class="comment">// for an iterator adaptor, see if its base is step</span>
    140. 

  140. <a name="l00136"></a>00136     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> It&gt; <span class="keyword">struct </span>iterator_is_step_impl&lt;It,false,false&gt; 
    141. 

  141. <a name="l00137"></a>00137         : <span class="keyword">public</span> iterator_is_step&lt;typename iterator_adaptor_get_base&lt;It&gt;::type&gt;{};
    142. 

  142. <a name="l00138"></a>00138 }
    143. 

  143. <a name="l00139"></a>00139 
    144. 

  144. <a name="l00142"></a><a class="code" href="g_i_l_0551.html">00142</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> I&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0551.html" title="Determines if the given iterator has a step that could be set dynamically.">iterator_is_step</a> 
    145. 

  145. <a name="l00143"></a>00143     : <span class="keyword">public</span> detail::iterator_is_step_impl&lt;I, 
    146. 

  146. <a name="l00144"></a>00144         !is_iterator_adaptor&lt;I&gt;::type::value,
    147. 

  147. <a name="l00145"></a>00145         is_same&lt;I,typename dynamic_x_step_type&lt;I&gt;::type&gt;::value &gt;{};
    148. 

  148. <a name="l00146"></a>00146 
    149. 

  149. <a name="l00149"></a><a class="code" href="g_i_l_0570.html">00149</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0570.html" title="Determines if the given locator has a horizontal step that could be set dynamically...">locator_is_step_in_x</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0551.html" title="Determines if the given iterator has a step that could be set dynamically.">iterator_is_step</a>&lt;typename L::x_iterator&gt; {}; 
    150. 

  150. <a name="l00150"></a>00150 
    151. 

  151. <a name="l00153"></a><a class="code" href="g_i_l_0571.html">00153</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0571.html" title="Determines if the given locator has a vertical step that could be set dynamically...">locator_is_step_in_y</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0551.html" title="Determines if the given iterator has a step that could be set dynamically.">iterator_is_step</a>&lt;typename L::y_iterator&gt; {}; 
    152. 

  152. <a name="l00154"></a>00154 
    153. 

  153. <a name="l00157"></a><a class="code" href="g_i_l_0630.html">00157</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> V&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0630.html" title="Determines if the given view has a horizontal step that could be set dynamically...">view_is_step_in_x</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0570.html" title="Determines if the given locator has a horizontal step that could be set dynamically...">locator_is_step_in_x</a>&lt;typename V::xy_locator&gt; {}; 
    154. 

  154. <a name="l00158"></a>00158 
    155. 

  155. <a name="l00161"></a><a class="code" href="g_i_l_0631.html">00161</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> V&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0631.html" title="Determines if the given view has a vertical step that could be set dynamically.">view_is_step_in_y</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0571.html" title="Determines if the given locator has a vertical step that could be set dynamically...">locator_is_step_in_y</a>&lt;typename V::xy_locator&gt; {}; 
    156. 

  156. <a name="l00162"></a>00162 
    157. 

  157. <a name="l00165"></a>00165 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelReference&gt;
    158. 

  158. <a name="l00166"></a><a class="code" href="g_i_l_0603.html">00166</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0603.html" title="Determines whether the given pixel reference is a proxy class or a native C++ reference...">pixel_reference_is_proxy</a>
    159. 

  159. <a name="l00167"></a>00167     : <span class="keyword">public</span> mpl::not_&lt;is_same&lt;typename remove_const_and_reference&lt;PixelReference&gt;::type,
    160. 

  160. <a name="l00168"></a>00168                                typename remove_const_and_reference&lt;PixelReference&gt;::type::value_type&gt; &gt; {};
    161. 

  161. <a name="l00169"></a>00169 
    162. 

  162. <a name="l00172"></a>00172 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt;
    163. 

  163. <a name="l00173"></a><a class="code" href="g_i_l_0600.html">00173</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0600.html" title="Given a model of a pixel, determines whether the model represents a pixel reference...">pixel_is_reference</a> : <span class="keyword">public</span> mpl::or_&lt;is_reference&lt;Pixel&gt;, pixel_reference_is_proxy&lt;Pixel&gt; &gt; {};
    164. 

  164. <a name="l00174"></a>00174 
    165. 

  165. <a name="l00178"></a>00178 
    166. 

  166. <a name="l00183"></a><a class="code" href="g_i_l_0602.html">00183</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> R&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0602.html" title="Determines if the given pixel reference is mutable (i.e. its channels can be changed)...">pixel_reference_is_mutable</a> : <span class="keyword">public</span> mpl::bool_&lt;remove_reference&lt;R&gt;::type::is_mutable&gt; {};
    167. 

  167. <a name="l00184"></a>00184 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> R&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0602.html" title="Determines if the given pixel reference is mutable (i.e. its channels can be changed)...">pixel_reference_is_mutable</a>&lt;const R&amp;&gt;
    168. 

  168. <a name="l00185"></a>00185     : <span class="keyword">public</span> mpl::and_&lt;pixel_reference_is_proxy&lt;R&gt;, <a class="code" href="g_i_l_0602.html" title="Determines if the given pixel reference is mutable (i.e. its channels can be changed)...">pixel_reference_is_mutable&lt;R&gt;</a> &gt; {};
    169. 

  169. <a name="l00186"></a>00186 
    170. 

  170. <a name="l00189"></a><a class="code" href="g_i_l_0569.html">00189</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> L&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0569.html" title="Determines if the given locator is mutable (i.e. its pixels can be changed).">locator_is_mutable</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0550.html" title="Metafunction predicate returning whether the given iterator allows for changing its...">iterator_is_mutable</a>&lt;typename L::x_iterator&gt; {};
    171. 

  171. <a name="l00192"></a><a class="code" href="g_i_l_0629.html">00192</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> V&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0629.html" title="Determines if the given view is mutable (i.e. its pixels can be changed).">view_is_mutable</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0550.html" title="Metafunction predicate returning whether the given iterator allows for changing its...">iterator_is_mutable</a>&lt;typename V::x_iterator&gt; {};
    172. 

  172. <a name="l00193"></a>00193 
    173. 

  173. <a name="l00194"></a>00194 
    174. 

  174. <a name="l00201"></a>00201 
    175. 

  175. <a name="l00205"></a>00205 
    176. 

  176. <a name="l00209"></a>00209 
    177. 

  177. <a name="l00213"></a>00213 
    178. 

  178. <a name="l00216"></a><a class="code" href="g_i_l_0604.html">00216</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsPlanar=false, <span class="keywordtype">bool</span> IsMutable=true&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0604.html" title="Returns the type of a homogeneous pixel reference given the channel type, layout...">pixel_reference_type</a>{};
    179. 

  179. <a name="l00217"></a>00217 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0604.html" title="Returns the type of a homogeneous pixel reference given the channel type, layout...">pixel_reference_type</a>&lt;T,L,false,true &gt; { <span class="keyword">typedef</span> <a class="code" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel&lt;T,L&gt;</a>&amp; type; };
    180. 

  180. <a name="l00218"></a>00218 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span>pixel_reference_type&lt;T,L,false,false&gt; { <span class="keyword">typedef</span> <span class="keyword">const</span> pixel&lt;T,L&gt;&amp; type; };
    181. 

  181. <a name="l00219"></a>00219 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span>pixel_reference_type&lt;T,L,true,true&gt; { <span class="keyword">typedef</span> <span class="keyword">const</span> planar_pixel_reference&lt;typename channel_traits&lt;T&gt;::reference,<span class="keyword">typename</span> color_space_type&lt;L&gt;::type&gt; type; };       <span class="comment">// TODO: Assert M=identity</span>
    182. 

  182. <a name="l00220"></a>00220 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span>pixel_reference_type&lt;T,L,true,false&gt; { <span class="keyword">typedef</span> <span class="keyword">const</span> planar_pixel_reference&lt;typename channel_traits&lt;T&gt;::const_reference,<span class="keyword">typename</span> color_space_type&lt;L&gt;::type&gt; type; };<span class="comment">// TODO: Assert M=identity</span>
    183. 

  183. <a name="l00221"></a>00221 
    184. 

  184. <a name="l00224"></a><a class="code" href="g_i_l_0553.html">00224</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar=false, <span class="keywordtype">bool</span> IsStep=false, <span class="keywordtype">bool</span> IsMutable=true&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0553.html" title="Returns the type of a pixel iterator given the pixel type, whether it operates on...">iterator_type_from_pixel</a>{};
    185. 

  185. <a name="l00225"></a>00225 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0553.html" title="Returns the type of a pixel iterator given the pixel type, whether it operates on...">iterator_type_from_pixel</a>&lt;Pixel,false,false,true &gt; { <span class="keyword">typedef</span> Pixel* type; };
    186. 

  186. <a name="l00226"></a>00226 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt; <span class="keyword">struct </span>iterator_type_from_pixel&lt;Pixel,false,false,false&gt; { <span class="keyword">typedef</span> <span class="keyword">const</span> Pixel* type; };
    187. 

  187. <a name="l00227"></a>00227 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt; <span class="keyword">struct </span>iterator_type_from_pixel&lt;Pixel,true,false,true&gt; { 
    188. 

  188. <a name="l00228"></a>00228     <span class="keyword">typedef</span> planar_pixel_iterator&lt;typename channel_traits&lt;typename channel_type&lt;Pixel&gt;::type&gt;::pointer,<span class="keyword">typename</span> color_space_type&lt;Pixel&gt;::type&gt; type; 
    189. 

  189. <a name="l00229"></a>00229 };
    190. 

  190. <a name="l00230"></a>00230 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt; <span class="keyword">struct </span>iterator_type_from_pixel&lt;Pixel,true,false,false&gt; { 
    191. 

  191. <a name="l00231"></a>00231     <span class="keyword">typedef</span> planar_pixel_iterator&lt;typename channel_traits&lt;typename channel_type&lt;Pixel&gt;::type&gt;::const_pointer,<span class="keyword">typename</span> color_space_type&lt;Pixel&gt;::type&gt; type; 
    192. 

  192. <a name="l00232"></a>00232 };
    193. 

  193. <a name="l00233"></a>00233 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keywordtype">bool</span> IsMutable&gt; <span class="keyword">struct </span>iterator_type_from_pixel&lt;Pixel,IsPlanar,true,IsMutable&gt; { 
    194. 

  194. <a name="l00234"></a>00234     <span class="keyword">typedef</span> memory_based_step_iterator&lt;typename iterator_type_from_pixel&lt;Pixel,IsPlanar,false,IsMutable&gt;::type&gt; type; 
    195. 

  195. <a name="l00235"></a>00235 };
    196. 

  196. <a name="l00236"></a>00236 
    197. 

  197. <a name="l00239"></a><a class="code" href="g_i_l_0552.html">00239</a> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsPlanar=false, <span class="keywordtype">bool</span> IsStep=false, <span class="keywordtype">bool</span> IsMutable=true&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0552.html" title="Returns the type of a homogeneous iterator given the channel type, layout, whether...">iterator_type</a>{};
    198. 

  198. <a name="l00240"></a>00240 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span><a class="code" href="g_i_l_0552.html" title="Returns the type of a homogeneous iterator given the channel type, layout, whether...">iterator_type</a>&lt;T,L,false,false,true &gt; { <span class="keyword">typedef</span> <a class="code" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel&lt;T,L&gt;</a>* type; };
    199. 

  199. <a name="l00241"></a>00241 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span>iterator_type&lt;T,L,false,false,false&gt; { <span class="keyword">typedef</span> <span class="keyword">const</span> pixel&lt;T,L&gt;* type; };
    200. 

  200. <a name="l00242"></a>00242 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span>iterator_type&lt;T,L,true,false,true&gt; { <span class="keyword">typedef</span> planar_pixel_iterator&lt;T*,typename L::color_space_t&gt; type; };               <span class="comment">// TODO: Assert M=identity</span>
    201. 

  201. <a name="l00243"></a>00243 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L&gt; <span class="keyword">struct </span>iterator_type&lt;T,L,true,false,false&gt; { <span class="keyword">typedef</span> planar_pixel_iterator&lt;const T*,typename L::color_space_t&gt; type; };        <span class="comment">// TODO: Assert M=identity</span>
    202. 

  202. <a name="l00244"></a>00244 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsPlanar, <span class="keywordtype">bool</span> IsMutable&gt; <span class="keyword">struct </span>iterator_type&lt;T,L,IsPlanar,true,IsMutable&gt; { 
    203. 

  203. <a name="l00245"></a>00245     <span class="keyword">typedef</span> memory_based_step_iterator&lt;typename iterator_type&lt;T,L,IsPlanar,false,IsMutable&gt;::type&gt; type; 
    204. 

  204. <a name="l00246"></a>00246 };
    205. 

  205. <a name="l00247"></a>00247 
    206. 

  206. <a name="l00250"></a>00250 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> XIterator&gt; 
    207. 

  207. <a name="l00251"></a><a class="code" href="g_i_l_0627.html">00251</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0627.html" title="Given a pixel iterator defining access to pixels along a row, returns the types of...">type_from_x_iterator</a> {
    208. 

  208. <a name="l00252"></a>00252     <span class="keyword">typedef</span> <a class="code" href="g_i_l_0046.html" title="Iterator with dynamically specified step in memory units (bytes or bits). Models...">memory_based_step_iterator&lt;XIterator&gt;</a>    <a class="code" href="g_i_l_0046.html" title="Iterator with dynamically specified step in memory units (bytes or bits). Models...">step_iterator_t</a>;
    209. 

  209. <a name="l00253"></a>00253     <span class="keyword">typedef</span> <a class="code" href="g_i_l_0044.html" title="Memory-based pixel locator. Models: PixelLocatorConcept,HasDynamicXStepTypeConcept...">memory_based_2d_locator&lt;step_iterator_t&gt;</a> <a class="code" href="g_i_l_0044.html" title="Memory-based pixel locator. Models: PixelLocatorConcept,HasDynamicXStepTypeConcept...">xy_locator_t</a>;
    210. 

  210. <a name="l00254"></a>00254     <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;xy_locator_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...">view_t</a>;
    211. 

  211. <a name="l00255"></a>00255 };
    212. 

  212. <a name="l00256"></a>00256 
    213. 

  213. <a name="l00257"></a>00257 <span class="keyword">namespace </span>detail {
    214. 

  214. <a name="l00258"></a>00258     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> FirstBit, <span class="keyword">typename</span> NumBits&gt;
    215. 

  215. <a name="l00259"></a>00259     <span class="keyword">struct </span>packed_channel_reference_type {
    216. 

  216. <a name="l00260"></a>00260         <span class="keyword">typedef</span> <span class="keyword">const</span> packed_channel_reference&lt;BitField,FirstBit::value,NumBits::value,true&gt; type;
    217. 

  217. <a name="l00261"></a>00261     };
    218. 

  218. <a name="l00262"></a>00262 
    219. 

  219. <a name="l00263"></a>00263     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizesVector&gt;
    220. 

  220. <a name="l00264"></a>00264     <span class="keyword">class </span>packed_channel_references_vector_type {
    221. 

  221. <a name="l00265"></a>00265         <span class="comment">// If ChannelBitSizesVector is mpl::vector&lt;int,7,7,2&gt;</span>
    222. 

  222. <a name="l00266"></a>00266         <span class="comment">// Then first_bits_vector will be mpl::vector&lt;int,0,7,14,16&gt;</span>
    223. 

  223. <a name="l00267"></a>00267         <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::accumulate&lt;ChannelBitSizesVector, mpl::vector1&lt;mpl::int_&lt;0&gt; &gt;, 
    224. 

  224. <a name="l00268"></a>00268             mpl::push_back&lt;mpl::_1, mpl::plus&lt;mpl::back&lt;mpl::_1&gt;, mpl::_2&gt; &gt; &gt;::type first_bits_vector;
    225. 

  225. <a name="l00269"></a>00269     <span class="keyword">public</span>:
    226. 

  226. <a name="l00270"></a>00270         <span class="keyword">typedef</span> <span class="keyword">typename</span> mpl::transform&lt;typename mpl::pop_back&lt;first_bits_vector&gt;::type, ChannelBitSizesVector,
    227. 

  227. <a name="l00271"></a>00271                packed_channel_reference_type&lt;BitField, mpl::_1,mpl::_2&gt; &gt;::type type;
    228. 

  228. <a name="l00272"></a>00272     };
    229. 

  229. <a name="l00273"></a>00273 
    230. 

  230. <a name="l00274"></a>00274 }
    231. 

  231. <a name="l00275"></a>00275 
    232. 

  232. <a name="l00284"></a>00284 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizeVector, <span class="keyword">typename</span> Layout&gt;
    233. 

  233. <a name="l00285"></a><a class="code" href="g_i_l_0597.html">00285</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0597.html" title="Returns the type of a packed pixel given its bitfield type, the bit size of its channels...">packed_pixel_type</a> {
    234. 

  234. <a name="l00286"></a>00286     <span class="keyword">typedef</span> <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel&lt;BitField, typename detail::packed_channel_references_vector_type&lt;BitField,ChannelBitSizeVector&gt;::type</a>, Layout&gt; <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">type</a>;
    235. 

  235. <a name="l00287"></a>00287 };
    236. 

  236. <a name="l00288"></a>00288 
    237. 

  237. <a name="l00297"></a>00297 
    238. 

  238. <a name="l00300"></a>00300 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizeVector, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    239. 

  239. <a name="l00301"></a><a class="code" href="g_i_l_0593.html">00301</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0593.html" title="Returns the type of an interleaved packed image: an image whose channels may not...">packed_image_type</a> {
    240. 

  240. <a name="l00302"></a>00302     <span class="keyword">typedef</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;typename packed_pixel_type&lt;BitField,ChannelBitSizeVector,Layout&gt;::type</a>,<span class="keyword">false</span>,Alloc&gt; <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">type</a>;
    241. 

  241. <a name="l00303"></a>00303 };
    242. 

  242. <a name="l00304"></a>00304 
    243. 

  243. <a name="l00307"></a>00307 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">unsigned</span> Size1, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    244. 

  244. <a name="l00308"></a><a class="code" href="g_i_l_0583.html">00308</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0583.html" title="Returns the type of a single-channel image given its bitfield type, the bit size...">packed_image1_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0593.html" title="Returns the type of an interleaved packed image: an image whose channels may not...">packed_image_type</a>&lt;BitField, mpl::vector1_c&lt;unsigned, Size1&gt;, Layout, Alloc&gt; {};
    245. 

  245. <a name="l00309"></a>00309 
    246. 

  246. <a name="l00312"></a>00312 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">unsigned</span> Size1, <span class="keywordtype">unsigned</span> Size2, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    247. 

  247. <a name="l00313"></a><a class="code" href="g_i_l_0585.html">00313</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0585.html" title="Returns the type of a two channel image given its bitfield type, the bit size of...">packed_image2_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0593.html" title="Returns the type of an interleaved packed image: an image whose channels may not...">packed_image_type</a>&lt;BitField, mpl::vector2_c&lt;unsigned, Size1, Size2&gt;, Layout, Alloc&gt; {};
    248. 

  248. <a name="l00314"></a>00314 
    249. 

  249. <a name="l00317"></a>00317 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">unsigned</span> Size1, <span class="keywordtype">unsigned</span> Size2, <span class="keywordtype">unsigned</span> Size3, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    250. 

  250. <a name="l00318"></a><a class="code" href="g_i_l_0587.html">00318</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0587.html" title="Returns the type of a three channel image given its bitfield type, the bit size of...">packed_image3_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0593.html" title="Returns the type of an interleaved packed image: an image whose channels may not...">packed_image_type</a>&lt;BitField, mpl::vector3_c&lt;unsigned, Size1, Size2, Size3&gt;, Layout, Alloc&gt; {};
    251. 

  251. <a name="l00319"></a>00319 
    252. 

  252. <a name="l00322"></a>00322 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">unsigned</span> Size1, <span class="keywordtype">unsigned</span> Size2, <span class="keywordtype">unsigned</span> Size3, <span class="keywordtype">unsigned</span> Size4, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    253. 

  253. <a name="l00323"></a><a class="code" href="g_i_l_0589.html">00323</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0589.html" title="Returns the type of a four channel image given its bitfield type, the bit size of...">packed_image4_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0593.html" title="Returns the type of an interleaved packed image: an image whose channels may not...">packed_image_type</a>&lt;BitField, mpl::vector4_c&lt;unsigned, Size1, Size2, Size3, Size4&gt;, Layout, Alloc&gt; {};
    254. 

  254. <a name="l00324"></a>00324 
    255. 

  255. <a name="l00327"></a>00327 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">unsigned</span> Size1, <span class="keywordtype">unsigned</span> Size2, <span class="keywordtype">unsigned</span> Size3, <span class="keywordtype">unsigned</span> Size4, <span class="keywordtype">unsigned</span> Size5, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    256. 

  256. <a name="l00328"></a><a class="code" href="g_i_l_0591.html">00328</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0591.html" title="Returns the type of a five channel image given its bitfield type, the bit size of...">packed_image5_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0593.html" title="Returns the type of an interleaved packed image: an image whose channels may not...">packed_image_type</a>&lt;BitField, mpl::vector5_c&lt;unsigned, Size1, Size2, Size3, Size4, Size5&gt;, Layout, Alloc&gt; {};
    257. 

  257. <a name="l00329"></a>00329 
    258. 

  258. <a name="l00330"></a>00330 
    259. 

  259. <a name="l00336"></a>00336 
    260. 

  260. <a name="l00337"></a>00337 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelBitSizeVector, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    261. 

  261. <a name="l00338"></a><a class="code" href="g_i_l_0399.html">00338</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0399.html" title="Returns the type of a packed image whose pixels may not be byte aligned. For example...">bit_aligned_image_type</a> {
    262. 

  262. <a name="l00339"></a>00339 <span class="keyword">private</span>:
    263. 

  263. <a name="l00340"></a>00340     BOOST_STATIC_CONSTANT(<span class="keywordtype">int</span>, bit_size = (mpl::accumulate&lt;ChannelBitSizeVector, mpl::int_&lt;0&gt;, mpl::plus&lt;mpl::_1, mpl::_2&gt; &gt;::type::value));
    264. 

  264. <a name="l00341"></a>00341     <span class="keyword">typedef</span> <span class="keyword">typename</span> detail::min_fast_uint&lt;bit_size+7&gt;::type                        bitfield_t;  
    265. 

  265. <a name="l00342"></a>00342     <span class="keyword">typedef</span> <span class="keyword">const</span> <a class="code" href="g_i_l_0403.html" title="Heterogeneous pixel reference corresponding to non-byte-aligned bit range. Models...">bit_aligned_pixel_reference&lt;bitfield_t, ChannelBitSizeVector, Layout, true&gt;</a> <a class="code" href="g_i_l_0403.html" title="Heterogeneous pixel reference corresponding to non-byte-aligned bit range. Models...">bit_alignedref_t</a>;
    266. 

  266. <a name="l00343"></a>00343 <span class="keyword">public</span>:
    267. 

  267. <a name="l00344"></a>00344     <span class="keyword">typedef</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;bit_alignedref_t,false,Alloc&gt;</a> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">type</a>;
    268. 

  268. <a name="l00345"></a>00345 };
    269. 

  269. <a name="l00346"></a>00346 
    270. 

  270. <a name="l00349"></a>00349 <span class="keyword">template</span> &lt;<span class="keywordtype">unsigned</span> Size1, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    271. 

  271. <a name="l00350"></a><a class="code" href="g_i_l_0389.html">00350</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0389.html" title="Returns the type of a single-channel bit-aligned image given the bit size of its...">bit_aligned_image1_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0399.html" title="Returns the type of a packed image whose pixels may not be byte aligned. For example...">bit_aligned_image_type</a>&lt;mpl::vector1_c&lt;unsigned, Size1&gt;, Layout, Alloc&gt; {};
    272. 

  272. <a name="l00351"></a>00351 
    273. 

  273. <a name="l00354"></a>00354 <span class="keyword">template</span> &lt;<span class="keywordtype">unsigned</span> Size1, <span class="keywordtype">unsigned</span> Size2, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    274. 

  274. <a name="l00355"></a><a class="code" href="g_i_l_0391.html">00355</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0391.html" title="Returns the type of a two channel bit-aligned image given the bit size of its channels...">bit_aligned_image2_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0399.html" title="Returns the type of a packed image whose pixels may not be byte aligned. For example...">bit_aligned_image_type</a>&lt;mpl::vector2_c&lt;unsigned, Size1, Size2&gt;, Layout, Alloc&gt; {};
    275. 

  275. <a name="l00356"></a>00356 
    276. 

  276. <a name="l00359"></a>00359 <span class="keyword">template</span> &lt;<span class="keywordtype">unsigned</span> Size1, <span class="keywordtype">unsigned</span> Size2, <span class="keywordtype">unsigned</span> Size3, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    277. 

  277. <a name="l00360"></a><a class="code" href="g_i_l_0393.html">00360</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0393.html" title="Returns the type of a three channel bit-aligned image given the bit size of its channels...">bit_aligned_image3_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0399.html" title="Returns the type of a packed image whose pixels may not be byte aligned. For example...">bit_aligned_image_type</a>&lt;mpl::vector3_c&lt;unsigned, Size1, Size2, Size3&gt;, Layout, Alloc&gt; {};
    278. 

  278. <a name="l00361"></a>00361 
    279. 

  279. <a name="l00364"></a>00364 <span class="keyword">template</span> &lt;<span class="keywordtype">unsigned</span> Size1, <span class="keywordtype">unsigned</span> Size2, <span class="keywordtype">unsigned</span> Size3, <span class="keywordtype">unsigned</span> Size4, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    280. 

  280. <a name="l00365"></a><a class="code" href="g_i_l_0395.html">00365</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0395.html" title="Returns the type of a four channel bit-aligned image given the bit size of its channels...">bit_aligned_image4_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0399.html" title="Returns the type of a packed image whose pixels may not be byte aligned. For example...">bit_aligned_image_type</a>&lt;mpl::vector4_c&lt;unsigned, Size1, Size2, Size3, Size4&gt;, Layout, Alloc&gt; {};
    281. 

  281. <a name="l00366"></a>00366 
    282. 

  282. <a name="l00369"></a>00369 <span class="keyword">template</span> &lt;<span class="keywordtype">unsigned</span> Size1, <span class="keywordtype">unsigned</span> Size2, <span class="keywordtype">unsigned</span> Size3, <span class="keywordtype">unsigned</span> Size4, <span class="keywordtype">unsigned</span> Size5, <span class="keyword">typename</span> Layout, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
    283. 

  283. <a name="l00370"></a><a class="code" href="g_i_l_0397.html">00370</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0397.html" title="Returns the type of a five channel bit-aligned image given the bit size of its channels...">bit_aligned_image5_type</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0399.html" title="Returns the type of a packed image whose pixels may not be byte aligned. For example...">bit_aligned_image_type</a>&lt;mpl::vector5_c&lt;unsigned, Size1, Size2, Size3, Size4, Size5&gt;, Layout, Alloc&gt; {};
    284. 

  284. <a name="l00371"></a>00371 
    285. 

  285. <a name="l00372"></a>00372 
    286. 

  286. <a name="l00373"></a>00373 
    287. 

  287. <a name="l00376"></a>00376 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Channel, <span class="keyword">typename</span> Layout&gt; 
    288. 

  288. <a name="l00377"></a><a class="code" href="g_i_l_0606.html">00377</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0606.html" title="Returns the type of a homogeneous pixel given the channel type and layout.">pixel_value_type</a> {
    289. 

  289. <a name="l00378"></a>00378     <span class="keyword">typedef</span> <a class="code" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel&lt;Channel,Layout&gt;</a> <a class="code" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">type</a>;     <span class="comment">// by default use gil::pixel. Specializations are provided for </span>
    290. 

  290. <a name="l00379"></a>00379 };
    291. 

  291. <a name="l00380"></a>00380 
    292. 

  292. <a name="l00381"></a>00381 <span class="comment">// Specializations for packed channels</span>
    293. 

  293. <a name="l00382"></a>00382 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">int</span> NumBits, <span class="keywordtype">bool</span> IsMutable, <span class="keyword">typename</span> Layout&gt; 
    294. 

  294. <a name="l00383"></a>00383 <span class="keyword">struct </span><a class="code" href="g_i_l_0606.html" title="Returns the type of a homogeneous pixel given the channel type and layout.">pixel_value_type</a>&lt;      packed_dynamic_channel_reference&lt;BitField,NumBits,IsMutable&gt;,Layout&gt; :
    295. 

  295. <a name="l00384"></a>00384     <span class="keyword">public</span> <a class="code" href="g_i_l_0597.html" title="Returns the type of a packed pixel given its bitfield type, the bit size of its channels...">packed_pixel_type</a>&lt;BitField, mpl::vector1_c&lt;unsigned,NumBits&gt;, Layout&gt; {};
    296. 

  296. <a name="l00385"></a>00385 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">int</span> NumBits, <span class="keywordtype">bool</span> IsMutable, <span class="keyword">typename</span> Layout&gt; 
    297. 

  297. <a name="l00386"></a>00386 <span class="keyword">struct </span>pixel_value_type&lt;const packed_dynamic_channel_reference&lt;BitField,NumBits,IsMutable&gt;,Layout&gt; :
    298. 

  298. <a name="l00387"></a>00387     <span class="keyword">public</span> packed_pixel_type&lt;BitField, mpl::vector1_c&lt;unsigned,NumBits&gt;, Layout&gt; {};
    299. 

  299. <a name="l00388"></a>00388 
    300. 

  300. <a name="l00389"></a>00389 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">int</span> FirstBit, <span class="keywordtype">int</span> NumBits, <span class="keywordtype">bool</span> IsMutable, <span class="keyword">typename</span> Layout&gt; 
    301. 

  301. <a name="l00390"></a>00390 <span class="keyword">struct </span>pixel_value_type&lt;      packed_channel_reference&lt;BitField,FirstBit,NumBits,IsMutable&gt;,Layout&gt; :
    302. 

  302. <a name="l00391"></a>00391     <span class="keyword">public</span> packed_pixel_type&lt;BitField, mpl::vector1_c&lt;unsigned,NumBits&gt;, Layout&gt; {};
    303. 

  303. <a name="l00392"></a>00392 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keywordtype">int</span> FirstBit, <span class="keywordtype">int</span> NumBits, <span class="keywordtype">bool</span> IsMutable, <span class="keyword">typename</span> Layout&gt; 
    304. 

  304. <a name="l00393"></a>00393 <span class="keyword">struct </span>pixel_value_type&lt;const packed_channel_reference&lt;BitField,FirstBit,NumBits,IsMutable&gt;,Layout&gt; :
    305. 

  305. <a name="l00394"></a>00394     <span class="keyword">public</span> packed_pixel_type&lt;BitField, mpl::vector1_c&lt;unsigned,NumBits&gt;, Layout&gt; {};
    306. 

  306. <a name="l00395"></a>00395 
    307. 

  307. <a name="l00396"></a>00396 <span class="keyword">template</span> &lt;<span class="keywordtype">int</span> NumBits, <span class="keyword">typename</span> Layout&gt; 
    308. 

  308. <a name="l00397"></a>00397 <span class="keyword">struct </span>pixel_value_type&lt;packed_channel_value&lt;NumBits&gt;,Layout&gt; :
    309. 

  309. <a name="l00398"></a>00398     <span class="keyword">public</span> packed_pixel_type&lt;typename detail::min_fast_uint&lt;NumBits&gt;::type, mpl::vector1_c&lt;unsigned,NumBits&gt;, Layout&gt; {};
    310. 

  310. <a name="l00399"></a>00399 
    311. 

  311. <a name="l00400"></a>00400 
    312. 

  312. <a name="l00403"></a>00403 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsPlanar=false, <span class="keywordtype">bool</span> IsStepX=false, <span class="keywordtype">bool</span> IsMutable=true&gt; 
    313. 

  313. <a name="l00404"></a><a class="code" href="g_i_l_0573.html">00404</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0573.html" title="Returns the type of a homogeneous locator given the channel type, layout, whether...">locator_type</a> {
    314. 

  314. <a name="l00405"></a>00405     <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0627.html" title="Given a pixel iterator defining access to pixels along a row, returns the types of...">type_from_x_iterator&lt;typename iterator_type&lt;T,L,IsPlanar,IsStepX,IsMutable&gt;::type</a>&gt;::xy_locator_type type;
    315. 

  315. <a name="l00406"></a>00406 };
    316. 

  316. <a name="l00407"></a>00407 
    317. 

  317. <a name="l00410"></a>00410 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsPlanar=false, <span class="keywordtype">bool</span> IsStepX=false, <span class="keywordtype">bool</span> IsMutable=true&gt; 
    318. 

  318. <a name="l00411"></a><a class="code" href="g_i_l_0633.html">00411</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0633.html" title="Returns the type of a homogeneous view given the channel type, layout, whether it...">view_type</a> {
    319. 

  319. <a name="l00412"></a>00412     <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0627.html" title="Given a pixel iterator defining access to pixels along a row, returns the types of...">type_from_x_iterator&lt;typename iterator_type&lt;T,L,IsPlanar,IsStepX,IsMutable&gt;::type</a>&gt;::view_t <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">type</a>;
    320. 

  320. <a name="l00413"></a>00413 };
    321. 

  321. <a name="l00414"></a>00414 
    322. 

  322. <a name="l00417"></a>00417 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsPlanar=false, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt; 
    323. 

  323. <a name="l00418"></a><a class="code" href="g_i_l_0540.html">00418</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0540.html" title="Returns the type of a homogeneous image given the channel type, layout, and whether...">image_type</a> {
    324. 

  324. <a name="l00419"></a>00419     <span class="keyword">typedef</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;pixel&lt;T,L&gt;</a>, IsPlanar, Alloc&gt; <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">type</a>;
    325. 

  325. <a name="l00420"></a>00420 };
    326. 

  326. <a name="l00421"></a>00421 
    327. 

  327. <a name="l00424"></a>00424 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar=false, <span class="keywordtype">bool</span> IsStepX=false, <span class="keywordtype">bool</span> IsMutable=true&gt; 
    328. 

  328. <a name="l00425"></a><a class="code" href="g_i_l_0635.html">00425</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0635.html" title="Returns the type of a view the pixel type, whether it operates on planar data and...">view_type_from_pixel</a> {
    329. 

  329. <a name="l00426"></a>00426     <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0627.html" title="Given a pixel iterator defining access to pixels along a row, returns the types of...">type_from_x_iterator&lt;typename iterator_type_from_pixel&lt;Pixel,IsPlanar,IsStepX,IsMutable&gt;::type</a>&gt;::view_t <a class="code" href="g_i_l_0040.html" title="A lightweight object that interprets memory as a 2D array of pixels. Models ImageViewConcept...">type</a>;
    330. 

  330. <a name="l00427"></a>00427 };
    331. 

  331. <a name="l00428"></a>00428 
    332. 

  332. <a name="l00429"></a>00429 
    333. 

  333. <a name="l00433"></a>00433 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Ref, <span class="keyword">typename</span> T=use_default, <span class="keyword">typename</span> L=use_default, <span class="keyword">typename</span> IsPlanar=use_default, <span class="keyword">typename</span> IsMutable=use_default&gt;
    334. 

  334. <a name="l00434"></a><a class="code" href="g_i_l_0032.html">00434</a> <span class="keyword">class </span><a class="code" href="g_i_l_0032.html" title="Constructs a pixel reference type from a source pixel reference type by changing...">derived_pixel_reference_type</a> {
    335. 

  335. <a name="l00435"></a>00435     <span class="keyword">typedef</span> <span class="keyword">typename</span> remove_reference&lt;Ref&gt;::type pixel_t;
    336. 

  336. <a name="l00436"></a>00436     <span class="keyword">typedef</span> <span class="keyword">typename</span>  mpl::if_&lt;is_same&lt;T, use_default&gt;, <span class="keyword">typename</span> channel_type&lt;pixel_t&gt;::type,     T &gt;::type channel_t;
    337. 

  337. <a name="l00437"></a>00437     <span class="keyword">typedef</span> <span class="keyword">typename</span>  mpl::if_&lt;is_same&lt;L, use_default&gt;, 
    338. 

  338. <a name="l00438"></a>00438         <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout&lt;typename color_space_type&lt;pixel_t&gt;::type</a>, <span class="keyword">typename</span> channel_mapping_type&lt;pixel_t&gt;::type&gt;, L&gt;::type           layout_t;
    339. 

  339. <a name="l00439"></a>00439     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> mut   =mpl::if_&lt;is_same&lt;IsMutable,use_default&gt;, <a class="code" href="g_i_l_0602.html" title="Determines if the given pixel reference is mutable (i.e. its channels can be changed)...">pixel_reference_is_mutable&lt;Ref&gt;</a>, IsMutable&gt;::type::value;
    340. 

  340. <a name="l00440"></a>00440     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> planar=mpl::if_&lt;is_same&lt;IsPlanar,use_default&gt;,  is_planar&lt;pixel_t&gt;,  IsPlanar&gt;::type::value;
    341. 

  341. <a name="l00441"></a>00441 <span class="keyword">public</span>:
    342. 

  342. <a name="l00442"></a>00442     <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0604.html" title="Returns the type of a homogeneous pixel reference given the channel type, layout...">pixel_reference_type&lt;channel_t, layout_t, planar, mut&gt;::type</a> type;
    343. 

  343. <a name="l00443"></a>00443 };
    344. 

  344. <a name="l00444"></a>00444 
    345. 

  345. <a name="l00448"></a>00448 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> T=use_default, <span class="keyword">typename</span> L=use_default, <span class="keyword">typename</span> IsPlanar=use_default, <span class="keyword">typename</span> IsStep=use_default, <span class="keyword">typename</span> IsMutable=use_default&gt;
    346. 

  346. <a name="l00449"></a><a class="code" href="g_i_l_0030.html">00449</a> <span class="keyword">class </span><a class="code" href="g_i_l_0030.html" title="Constructs a pixel iterator type from a source pixel iterator type by changing some...">derived_iterator_type</a> {
    347. 

  347. <a name="l00450"></a>00450     <span class="keyword">typedef</span> <span class="keyword">typename</span>  mpl::if_&lt;is_same&lt;T ,use_default&gt;, <span class="keyword">typename</span> channel_type&lt;Iterator&gt;::type,     T &gt;::type channel_t;
    348. 

  348. <a name="l00451"></a>00451     <span class="keyword">typedef</span> <span class="keyword">typename</span>  mpl::if_&lt;is_same&lt;L,use_default&gt;, 
    349. 

  349. <a name="l00452"></a>00452         <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout&lt;typename color_space_type&lt;Iterator&gt;::type</a>, <span class="keyword">typename</span> channel_mapping_type&lt;Iterator&gt;::type&gt;, L&gt;::type layout_t;
    350. 

  350. <a name="l00453"></a>00453 
    351. 

  351. <a name="l00454"></a>00454     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> mut   =mpl::if_&lt;is_same&lt;IsMutable,use_default&gt;, <a class="code" href="g_i_l_0550.html" title="Metafunction predicate returning whether the given iterator allows for changing its...">iterator_is_mutable&lt;Iterator&gt;</a>, IsMutable&gt;::type::value;
    352. 

  352. <a name="l00455"></a>00455     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> planar=mpl::if_&lt;is_same&lt;IsPlanar,use_default&gt;,         is_planar&lt;Iterator&gt;,  IsPlanar&gt;::type::value;
    353. 

  353. <a name="l00456"></a>00456     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> step  =mpl::if_&lt;is_same&lt;IsStep  ,use_default&gt;,  <a class="code" href="g_i_l_0551.html" title="Determines if the given iterator has a step that could be set dynamically.">iterator_is_step&lt;Iterator&gt;</a>,    IsStep&gt;::type::value;
    354. 

  354. <a name="l00457"></a>00457 <span class="keyword">public</span>:
    355. 

  355. <a name="l00458"></a>00458     <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0552.html" title="Returns the type of a homogeneous iterator given the channel type, layout, whether...">iterator_type&lt;channel_t, layout_t, planar, step, mut&gt;::type</a> type;
    356. 

  356. <a name="l00459"></a>00459 };
    357. 

  357. <a name="l00460"></a>00460 
    358. 

  358. <a name="l00464"></a>00464 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View, <span class="keyword">typename</span> T=use_default, <span class="keyword">typename</span> L=use_default, <span class="keyword">typename</span> IsPlanar=use_default, <span class="keyword">typename</span> StepX=use_default, <span class="keyword">typename</span> IsMutable=use_default&gt;
    359. 

  359. <a name="l00465"></a><a class="code" href="g_i_l_0034.html">00465</a> <span class="keyword">class </span><a class="code" href="g_i_l_0034.html" title="Constructs an image view type from a source view type by changing some of the properties...">derived_view_type</a> {
    360. 

  360. <a name="l00466"></a>00466     <span class="keyword">typedef</span> <span class="keyword">typename</span>  mpl::if_&lt;is_same&lt;T ,use_default&gt;, <span class="keyword">typename</span> channel_type&lt;View&gt;::type, T&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...">::type</a> channel_t;
    361. 

  361. <a name="l00467"></a>00467     <span class="keyword">typedef</span> <span class="keyword">typename</span>  mpl::if_&lt;is_same&lt;L,use_default&gt;, 
    362. 

  362. <a name="l00468"></a>00468         <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout&lt;typename color_space_type&lt;View&gt;::type</a>, <span class="keyword">typename</span> channel_mapping_type&lt;View&gt;::type&gt;, L&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...">::type</a> layout_t;
    363. 

  363. <a name="l00469"></a>00469     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> mut   =mpl::if_&lt;is_same&lt;IsMutable,use_default&gt;, <a class="code" href="g_i_l_0629.html" title="Determines if the given view is mutable (i.e. its pixels can be changed).">view_is_mutable&lt;View&gt;</a>, IsMutable&gt;::type::value;
    364. 

  364. <a name="l00470"></a>00470     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> planar=mpl::if_&lt;is_same&lt;IsPlanar,use_default&gt;,  is_planar&lt;View&gt;,  IsPlanar&gt;::type::value;
    365. 

  365. <a name="l00471"></a>00471     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> step  =mpl::if_&lt;is_same&lt;StepX ,use_default&gt;,  <a class="code" href="g_i_l_0630.html" title="Determines if the given view has a horizontal step that could be set dynamically...">view_is_step_in_x&lt;View&gt;</a>,StepX&gt;::type::value;
    366. 

  366. <a name="l00472"></a>00472 <span class="keyword">public</span>:
    367. 

  367. <a name="l00473"></a>00473     <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0633.html" title="Returns the type of a homogeneous view given the channel type, layout, whether it...">view_type&lt;channel_t, layout_t, planar, step, mut&gt;::type</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...">type</a>;
    368. 

  368. <a name="l00474"></a>00474 };
    369. 

  369. <a name="l00475"></a>00475 
    370. 

  370. <a name="l00479"></a>00479 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Image, <span class="keyword">typename</span> T=use_default, <span class="keyword">typename</span> L=use_default, <span class="keyword">typename</span> IsPlanar=use_default&gt;
    371. 

  371. <a name="l00480"></a><a class="code" href="g_i_l_0028.html">00480</a> <span class="keyword">class </span><a class="code" href="g_i_l_0028.html" title="Constructs a homogeneous image type from a source image type by changing some of...">derived_image_type</a> {
    372. 

  372. <a name="l00481"></a>00481     <span class="keyword">typedef</span> <span class="keyword">typename</span>  mpl::if_&lt;is_same&lt;T ,use_default&gt;, <span class="keyword">typename</span> channel_type&lt;Image&gt;::type,     T &gt;<a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">::type</a> channel_t;
    373. 

  373. <a name="l00482"></a>00482     <span class="keyword">typedef</span> <span class="keyword">typename</span>  mpl::if_&lt;is_same&lt;L,use_default&gt;, 
    374. 

  374. <a name="l00483"></a>00483         <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout&lt;typename color_space_type&lt;Image&gt;::type</a>, <span class="keyword">typename</span> channel_mapping_type&lt;Image&gt;::type&gt;, L&gt;<a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">::type</a> layout_t;
    375. 

  375. <a name="l00484"></a>00484     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> planar=mpl::if_&lt;is_same&lt;IsPlanar,use_default&gt;,  is_planar&lt;Image&gt;,  IsPlanar&gt;::type::value;
    376. 

  376. <a name="l00485"></a>00485 <span class="keyword">public</span>:
    377. 

  377. <a name="l00486"></a>00486     <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0540.html" title="Returns the type of a homogeneous image given the channel type, layout, and whether...">image_type&lt;channel_t, layout_t, planar&gt;::type</a> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">type</a>;
    378. 

  378. <a name="l00487"></a>00487 };
    379. 

  379. <a name="l00488"></a>00488 
    380. 

  380. <a name="l00489"></a>00489 
    381. 

  381. <a name="l00490"></a>00490 
    382. 

  382. <a name="l00491"></a>00491 
    383. 

  383. <a name="l00492"></a>00492 } }  <span class="comment">// namespace boost::gil</span>
    384. 

  384. <a name="l00493"></a>00493 
    385. 

  385. <a name="l00494"></a>00494 <span class="preprocessor">#endif</span>
    386. 

  386. </pre></div></div>
    387. 

  387. <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:14 2009 for Generic Image Library by&nbsp;
    388. 

  388. <a href="http://www.doxygen.org/index.html">
    389. 

  389. <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
    390. 

  390. </body>
    391. 

  391. </html>
    392. 

  392.