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  41 <h1>packed_pixel.hpp</h1><a href="g_i_l_0240.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
  42 <a name="l00002"></a>00002 <span class="comment">    Copyright 2005-2007 Adobe Systems Incorporated</span>
  43 <a name="l00003"></a>00003 <span class="comment">   </span>
  44 <a name="l00004"></a>00004 <span class="comment">    Use, modification and distribution are subject to the Boost Software License,</span>
  45 <a name="l00005"></a>00005 <span class="comment">    Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
  46 <a name="l00006"></a>00006 <span class="comment">    http://www.boost.org/LICENSE_1_0.txt).</span>
  47 <a name="l00007"></a>00007 <span class="comment"></span>
  48 <a name="l00008"></a>00008 <span class="comment">    See http://opensource.adobe.com/gil for most recent version including documentation.</span>
  49 <a name="l00009"></a>00009 <span class="comment">*/</span>
  50 <a name="l00010"></a>00010
  51 <a name="l00011"></a>00011 <span class="comment">/*************************************************************************************************/</span>
  52 <a name="l00012"></a>00012
  53 <a name="l00013"></a>00013 <span class="preprocessor">#ifndef GIL_PACKED_PIXEL_H</span>
  54 <a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define GIL_PACKED_PIXEL_H</span>
  55 <a name="l00015"></a>00015 <span class="preprocessor"></span>
  56 <a name="l00024"></a>00024
  57 <a name="l00025"></a>00025 <span class="preprocessor">#include &lt;functional&gt;</span>
  58 <a name="l00026"></a>00026 <span class="preprocessor">#include &lt;boost/utility/enable_if.hpp&gt;</span>
  59 <a name="l00027"></a>00027 <span class="preprocessor">#include &lt;boost/mpl/bool.hpp&gt;</span>
  60 <a name="l00028"></a>00028 <span class="preprocessor">#include &lt;boost/mpl/front.hpp&gt;</span>
  61 <a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="g_i_l_0094.html" title="GIL configuration file.">gil_config.hpp</a>"</span>
  62 <a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="pixel_8hpp.html" title="pixel class and related utilities">pixel.hpp</a>"</span>
  63 <a name="l00031"></a>00031
  64 <a name="l00032"></a>00032 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {
  65 <a name="l00033"></a>00033
  66 <a name="l00037"></a>00037
  67 <a name="l00056"></a>00056
  68 <a name="l00057"></a>00057
  69 <a name="l00058"></a>00058
  70 <a name="l00059"></a>00059 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField,      <span class="comment">// A type that holds the bits of the pixel. Typically an integral type, like boost::uint16_t</span>
  71 <a name="l00060"></a>00060           <span class="keyword">typename</span> ChannelRefVec, <span class="comment">// An MPL vector whose elements are packed channels. They must be constructible from BitField. GIL uses packed_channel_reference</span>
  72 <a name="l00061"></a>00061           <span class="keyword">typename</span> Layout&gt;        <span class="comment">// Layout defining the color space and ordering of the channels. Example value: rgb_layout_t</span>
  73 <a name="l00062"></a><a class="code" href="g_i_l_0595.html">00062</a> <span class="keyword">struct </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</a> {
  74 <a name="l00063"></a>00063     BitField _bitfield;
  75 <a name="l00064"></a>00064
  76 <a name="l00065"></a>00065     <span class="keyword">typedef</span> Layout                layout_t;
  77 <a name="l00066"></a>00066     <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</a>          <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">value_type</a>;
  78 <a name="l00067"></a>00067     <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...">value_type</a>&amp;           <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">reference</a>;
  79 <a name="l00068"></a>00068     <span class="keyword">typedef</span> <span class="keyword">const</span> <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">value_type</a>&amp;     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">const_reference</a>;
  80 <a name="l00069"></a>00069
  81 <a name="l00070"></a>00070     BOOST_STATIC_CONSTANT(<span class="keywordtype">bool</span>, is_mutable = <a class="code" href="g_i_l_0429.html" title="Traits for channels. Contains the following members:.">channel_traits</a>&lt;<span class="keyword">typename</span> mpl::front&lt;ChannelRefVec&gt;::type&gt;::is_mutable);
  82 <a name="l00071"></a>00071
  83 <a name="l00072"></a>00072     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>(){}
  84 <a name="l00073"></a>00073     <span class="keyword">explicit</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</a>(<span class="keyword">const</span> BitField&amp; bitfield) : _bitfield(bitfield) {}
  85 <a name="l00074"></a>00074
  86 <a name="l00075"></a>00075     <span class="comment">// Construct from another compatible pixel type</span>
  87 <a name="l00076"></a>00076     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>(<span class="keyword">const</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</a>&amp; p) : _bitfield(p.<a class="code" href="g_i_l_0595.html#be60dad4ae2eb0daf0d399e66fc2c11a">_bitfield</a>) {}
  88 <a name="l00077"></a>00077     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt; <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>(<span class="keyword">const</span> P&amp; p, <span class="keyword">typename</span> enable_if_c&lt;is_pixel&lt;P&gt;::value&gt;::type* d=0)            { check_compatible&lt;P&gt;(); static_copy(p,*<span class="keyword">this</span>); }
  89 <a name="l00078"></a>00078     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>(<span class="keywordtype">int</span> chan0, <span class="keywordtype">int</span> chan1) : _bitfield(0) {
  90 <a name="l00079"></a>00079         BOOST_STATIC_ASSERT((<a class="code" href="g_i_l_0581.html" title="Returns the number of channels of a pixel-based GIL construct.">num_channels&lt;packed_pixel&gt;::value</a>==2));
  91 <a name="l00080"></a>00080         at_c&lt;0&gt;(*this)=chan0; at_c&lt;1&gt;(*this)=chan1;
  92 <a name="l00081"></a>00081     }
  93 <a name="l00082"></a>00082     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>(<span class="keywordtype">int</span> chan0, <span class="keywordtype">int</span> chan1, <span class="keywordtype">int</span> chan2) : _bitfield(0) {
  94 <a name="l00083"></a>00083         BOOST_STATIC_ASSERT((<a class="code" href="g_i_l_0581.html" title="Returns the number of channels of a pixel-based GIL construct.">num_channels&lt;packed_pixel&gt;::value</a>==3));
  95 <a name="l00084"></a>00084         at_c&lt;0&gt;(*this)=chan0; at_c&lt;1&gt;(*this)=chan1; at_c&lt;2&gt;(*this)=chan2;
  96 <a name="l00085"></a>00085     }
  97 <a name="l00086"></a>00086     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>(<span class="keywordtype">int</span> chan0, <span class="keywordtype">int</span> chan1, <span class="keywordtype">int</span> chan2, <span class="keywordtype">int</span> chan3) : _bitfield(0) {
  98 <a name="l00087"></a>00087         BOOST_STATIC_ASSERT((<a class="code" href="g_i_l_0581.html" title="Returns the number of channels of a pixel-based GIL construct.">num_channels&lt;packed_pixel&gt;::value</a>==4));
  99 <a name="l00088"></a>00088         at_c&lt;0&gt;(*this)=chan0; at_c&lt;1&gt;(*this)=chan1; at_c&lt;2&gt;(*this)=chan2; at_c&lt;3&gt;(*this)=chan3;
 100 <a name="l00089"></a>00089     }
 101 <a name="l00090"></a>00090     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>(<span class="keywordtype">int</span> chan0, <span class="keywordtype">int</span> chan1, <span class="keywordtype">int</span> chan2, <span class="keywordtype">int</span> chan3, <span class="keywordtype">int</span> chan4) : _bitfield(0) {
 102 <a name="l00091"></a>00091         BOOST_STATIC_ASSERT((<a class="code" href="g_i_l_0581.html" title="Returns the number of channels of a pixel-based GIL construct.">num_channels&lt;packed_pixel&gt;::value</a>==5));
 103 <a name="l00092"></a>00092         at_c&lt;0&gt;(*this)=chan0; at_c&lt;1&gt;(*this)=chan1; at_c&lt;2&gt;(*this)=chan2; at_c&lt;3&gt;(*this)=chan3; at_c&lt;4&gt;(*this)=chan4;
 104 <a name="l00093"></a>00093     }
 105 <a name="l00094"></a>00094
 106 <a name="l00095"></a>00095     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>&amp; operator=(<span class="keyword">const</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</a>&amp; p)     { _bitfield=p.<a class="code" href="g_i_l_0595.html#be60dad4ae2eb0daf0d399e66fc2c11a">_bitfield</a>; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
 107 <a name="l00096"></a>00096
 108 <a name="l00097"></a>00097     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt; <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>&amp; operator=(<span class="keyword">const</span> P&amp; p)        { assign(p, mpl::bool_&lt;is_pixel&lt;P&gt;::value&gt;()); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
 109 <a name="l00098"></a>00098     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt; <span class="keywordtype">bool</span>          operator==(<span class="keyword">const</span> P&amp; p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> equal(p, mpl::bool_&lt;is_pixel&lt;P&gt;::value&gt;()); }
 110 <a name="l00099"></a>00099
 111 <a name="l00100"></a>00100     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt; <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> P&amp; p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !(*<span class="keyword">this</span>==p); }
 112 <a name="l00101"></a>00101
 113 <a name="l00102"></a>00102 <span class="keyword">private</span>:
 114 <a name="l00103"></a>00103     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt; <span class="keyword">static</span> <span class="keywordtype">void</span> check_compatible() { gil_function_requires&lt;PixelsCompatibleConcept&lt;Pixel,packed_pixel&gt; &gt;(); }
 115 <a name="l00104"></a>00104     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt; <span class="keywordtype">void</span> assign(<span class="keyword">const</span> Pixel&amp; p, mpl::true_)       { check_compatible&lt;Pixel&gt;(); static_copy(p,*<span class="keyword">this</span>); }
 116 <a name="l00105"></a>00105     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt; <span class="keywordtype">bool</span>  equal(<span class="keyword">const</span> Pixel&amp; p, mpl::true_)<span class="keyword"> const </span>{ check_compatible&lt;Pixel&gt;(); <span class="keywordflow">return</span> static_equal(*<span class="keyword">this</span>,p); }
 117 <a name="l00106"></a>00106
 118 <a name="l00107"></a>00107 <span class="comment">// Support for assignment/equality comparison of a channel with a grayscale pixel</span>
 119 <a name="l00108"></a>00108     <span class="keyword">static</span> <span class="keywordtype">void</span> check_gray() {  BOOST_STATIC_ASSERT((is_same&lt;typename Layout::color_space_t, gray_t&gt;::value)); }
 120 <a name="l00109"></a>00109     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Channel&gt; <span class="keywordtype">void</span> assign(<span class="keyword">const</span> Channel&amp; chan, mpl::false_)       { check_gray(); at_c&lt;0&gt;(*this)=chan; }
 121 <a name="l00110"></a>00110     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Channel&gt; <span class="keywordtype">bool</span> equal (<span class="keyword">const</span> Channel&amp; chan, mpl::false_)<span class="keyword"> const </span>{ check_gray(); <span class="keywordflow">return</span> at_c&lt;0&gt;(*this)==chan; }
 122 <a name="l00111"></a>00111 <span class="keyword">public</span>:
 123 <a name="l00112"></a>00112     <a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>&amp;  operator= (<span class="keywordtype">int</span> chan)       { check_gray(); at_c&lt;0&gt;(*this)=chan; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
 124 <a name="l00113"></a>00113     <span class="keywordtype">bool</span>           operator==(<span class="keywordtype">int</span> chan)<span class="keyword"> const </span>{ check_gray(); <span class="keywordflow">return</span> at_c&lt;0&gt;(*this)==chan; }
 125 <a name="l00114"></a>00114 };
 126 <a name="l00115"></a>00115
 127 <a name="l00117"></a>00117 <span class="comment">//  ColorBasedConcept</span>
 128 <a name="l00119"></a>00119 <span class="comment"></span>
 129 <a name="l00120"></a>00120 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelRefVec, <span class="keyword">typename</span> Layout, <span class="keywordtype">int</span> K&gt;
 130 <a name="l00121"></a>00121 <span class="keyword">struct </span>kth_element_type&lt;<a class="code" href="g_i_l_0595.html" title="Heterogeneous pixel value whose channel references can be constructed from the pixel...">packed_pixel</a>&lt;BitField,ChannelRefVec,Layout&gt;,K&gt; : <span class="keyword">public</span> mpl::at_c&lt;ChannelRefVec,K&gt; {};
 131 <a name="l00122"></a>00122
 132 <a name="l00123"></a>00123 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelRefVec, <span class="keyword">typename</span> Layout, <span class="keywordtype">int</span> K&gt;
 133 <a name="l00124"></a>00124 <span class="keyword">struct </span>kth_element_reference_type&lt;packed_pixel&lt;BitField,ChannelRefVec,Layout&gt;,K&gt; : <span class="keyword">public</span> mpl::at_c&lt;ChannelRefVec,K&gt; {};
 134 <a name="l00125"></a>00125
 135 <a name="l00126"></a>00126 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelRefVec, <span class="keyword">typename</span> Layout, <span class="keywordtype">int</span> K&gt;
 136 <a name="l00127"></a>00127 <span class="keyword">struct </span>kth_element_const_reference_type&lt;packed_pixel&lt;BitField,ChannelRefVec,Layout&gt;,K&gt; {
 137 <a name="l00128"></a>00128     <span class="keyword">typedef</span> <span class="keyword">typename</span> channel_traits&lt;typename mpl::at_c&lt;ChannelRefVec,K&gt;::type&gt;::const_reference type;
 138 <a name="l00129"></a>00129 };
 139 <a name="l00130"></a>00130
 140 <a name="l00131"></a>00131 <span class="keyword">template</span> &lt;<span class="keywordtype">int</span> K, <span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L&gt; <span class="keyword">inline</span>
 141 <a name="l00132"></a>00132 <span class="keyword">typename</span> kth_element_reference_type&lt;packed_pixel&lt;P,C,L&gt;, K&gt;::type
 142 <a name="l00133"></a>00133 at_c(packed_pixel&lt;P,C,L&gt;&amp; p) {
 143 <a name="l00134"></a>00134     <span class="keywordflow">return</span> <span class="keyword">typename</span> kth_element_reference_type&lt;packed_pixel&lt;P,C,L&gt;, K&gt;::type(&amp;p._bitfield);
 144 <a name="l00135"></a>00135 }
 145 <a name="l00136"></a>00136
 146 <a name="l00137"></a>00137 <span class="keyword">template</span> &lt;<span class="keywordtype">int</span> K, <span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L&gt; <span class="keyword">inline</span>
 147 <a name="l00138"></a>00138 <span class="keyword">typename</span> kth_element_const_reference_type&lt;packed_pixel&lt;P,C,L&gt;, K&gt;::type
 148 <a name="l00139"></a>00139 at_c(<span class="keyword">const</span> packed_pixel&lt;P,C,L&gt;&amp; p) {
 149 <a name="l00140"></a>00140     <span class="keywordflow">return</span> <span class="keyword">typename</span> kth_element_const_reference_type&lt;packed_pixel&lt;P,C,L&gt;, K&gt;::type(&amp;p._bitfield);
 150 <a name="l00141"></a>00141 }
 151 <a name="l00142"></a>00142
 152 <a name="l00144"></a>00144 <span class="comment">//  PixelConcept</span>
 153 <a name="l00146"></a>00146 <span class="comment"></span>
 154 <a name="l00147"></a>00147 <span class="comment">// Metafunction predicate that flags packed_pixel as a model of PixelConcept. Required by PixelConcept</span>
 155 <a name="l00148"></a>00148 <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;
 156 <a name="l00149"></a>00149 <span class="keyword">struct </span>is_pixel&lt;packed_pixel&lt;BitField,ChannelRefVec,Layout&gt; &gt; : <span class="keyword">public</span> mpl::true_{};
 157 <a name="l00150"></a>00150
 158 <a name="l00152"></a>00152 <span class="comment">//  PixelBasedConcept</span>
 159 <a name="l00154"></a>00154 <span class="comment"></span>
 160 <a name="l00155"></a>00155 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> Layout&gt;
 161 <a name="l00156"></a>00156 <span class="keyword">struct </span>color_space_type&lt;packed_pixel&lt;P,C,Layout&gt; &gt; {
 162 <a name="l00157"></a>00157     <span class="keyword">typedef</span> <span class="keyword">typename</span> Layout::color_space_t type;
 163 <a name="l00158"></a>00158 };
 164 <a name="l00159"></a>00159
 165 <a name="l00160"></a>00160 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> Layout&gt;
 166 <a name="l00161"></a>00161 <span class="keyword">struct </span>channel_mapping_type&lt;packed_pixel&lt;P,C,Layout&gt; &gt; {
 167 <a name="l00162"></a>00162     <span class="keyword">typedef</span> <span class="keyword">typename</span> Layout::channel_mapping_t type;
 168 <a name="l00163"></a>00163 };
 169 <a name="l00164"></a>00164
 170 <a name="l00165"></a>00165 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> Layout&gt;
 171 <a name="l00166"></a>00166 <span class="keyword">struct </span>is_planar&lt;packed_pixel&lt;P,C,Layout&gt; &gt; : mpl::false_ {};
 172 <a name="l00167"></a>00167
 173 <a name="l00168"></a>00168
 174 <a name="l00174"></a>00174
 175 <a name="l00179"></a>00179
 176 <a name="l00180"></a>00180 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L&gt;
 177 <a name="l00181"></a>00181 <span class="keyword">struct </span>iterator_is_mutable&lt;packed_pixel&lt;P,C,L&gt;*&gt; : <span class="keyword">public</span> mpl::bool_&lt;packed_pixel&lt;P,C,L&gt;::is_mutable&gt; {};
 178 <a name="l00182"></a>00182 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L&gt;
 179 <a name="l00183"></a>00183 <span class="keyword">struct </span>iterator_is_mutable&lt;const packed_pixel&lt;P,C,L&gt;*&gt; : <span class="keyword">public</span> mpl::false_ {};
 180 <a name="l00184"></a>00184
 181 <a name="l00185"></a>00185
 182 <a name="l00186"></a>00186
 183 <a name="l00187"></a>00187 } }  <span class="comment">// namespace boost::gil</span>
 184 <a name="l00188"></a>00188
 185 <a name="l00189"></a>00189 <span class="keyword">namespace </span>boost {
 186 <a name="l00190"></a>00190     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L&gt;
 187 <a name="l00191"></a>00191     <span class="keyword">struct </span>has_trivial_constructor&lt;gil::packed_pixel&lt;P,C,L&gt; &gt; : <span class="keyword">public</span> has_trivial_constructor&lt;P&gt; {};
 188 <a name="l00192"></a>00192 }
 189 <a name="l00193"></a>00193 <span class="preprocessor">#endif</span>
 190 </pre></div></div>
 191 <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:14 2009 for Generic Image Library by&nbsp;
 192 <a href="http://www.doxygen.org/index.html">
 193 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
 194 </body>
 195 </html>