<!-- Copyright 2008 Lubomir Bourdev and Hailin Jin Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> <!-- Copyright 2005-2007 Adobe Systems Incorporated Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt or a copy at http://stlab.adobe.com/licenses.html) Some files are held under additional license. Please see "http://stlab.adobe.com/licenses.html" for more information. --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <TITLE>Generic Image Library: any_image_view.hpp Source File</TITLE> <META HTTP-EQUIV="content-type" CONTENT="text/html;charset=ISO-8859-1"/> <LINK TYPE="text/css" REL="stylesheet" HREF="adobe_source.css"/> </head> <body> <table border="0" cellspacing="0" cellpadding="0" style='width: 100%; margin: 0; padding: 0'><tr> <td width="100%" valign="top" style='padding-left: 10px; padding-right: 10px; padding-bottom: 10px'> <div class="qindex"><a class="qindex" href="index.html">Modules</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="../index.html">GIL Home Page</a> </div> <!-- End Header --> <!-- Generated by Doxygen 1.5.6 --> <div class="navpath"><a class="el" href="g_i_l_0076.html">boost</a> » <a class="el" href="g_i_l_0079.html">gil</a> » <a class="el" href="g_i_l_0078.html">extension</a> » <a class="el" href="g_i_l_0075.html">dynamic_image</a> </div> <div class="contents"> <h1>any_image_view.hpp</h1><a href="g_i_l_0004.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> Copyright 2005-2007 Adobe Systems Incorporated</span> <a name="l00003"></a>00003 <span class="comment"> </span> <a name="l00004"></a>00004 <span class="comment"> Use, modification and distribution are subject to the Boost Software License,</span> <a name="l00005"></a>00005 <span class="comment"> Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span> <a name="l00006"></a>00006 <span class="comment"> http://www.boost.org/LICENSE_1_0.txt).</span> <a name="l00007"></a>00007 <span class="comment"></span> <a name="l00008"></a>00008 <span class="comment"> See http://opensource.adobe.com/gil for most recent version including documentation.</span> <a name="l00009"></a>00009 <span class="comment">*/</span> <a name="l00010"></a>00010 <a name="l00011"></a>00011 <span class="comment">/*************************************************************************************************/</span> <a name="l00012"></a>00012 <a name="l00013"></a>00013 <span class="preprocessor">#ifndef GIL_DYNAMICIMAGE_ANY_IMAGEVIEW_HPP</span> <a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define GIL_DYNAMICIMAGE_ANY_IMAGEVIEW_HPP</span> <a name="l00015"></a>00015 <span class="preprocessor"></span> <a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="variant_8hpp.html" title="Support for run-time instantiated types.">variant.hpp</a>"</span> <a name="l00026"></a>00026 <span class="preprocessor">#include "../../image_view.hpp"</span> <a name="l00027"></a>00027 <span class="preprocessor">#include "../../image.hpp"</span> <a name="l00028"></a>00028 <a name="l00029"></a>00029 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil { <a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="keyword">namespace </span>detail { <a name="l00032"></a>00032 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <span class="keyword">struct </span>get_const_t { <span class="keyword">typedef</span> <span class="keyword">typename</span> View::const_t type; }; <a name="l00033"></a>00033 <span class="keyword">template</span> <<span class="keyword">typename</span> Views> <span class="keyword">struct </span>views_get_const_t : <span class="keyword">public</span> mpl::transform<Views, get_const_t<mpl::_1> > {}; <a name="l00034"></a>00034 } <a name="l00035"></a>00035 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <span class="keyword">struct </span>dynamic_xy_step_type; <a name="l00036"></a>00036 <span class="keyword">template</span> <<span class="keyword">typename</span> View> <span class="keyword">struct </span>dynamic_xy_step_transposed_type; <a name="l00037"></a>00037 <a name="l00038"></a>00038 <span class="keyword">namespace </span>detail { <a name="l00039"></a>00039 <span class="keyword">struct </span>any_type_get_num_channels { <span class="comment">// works for both image_view and image</span> <a name="l00040"></a>00040 <span class="keyword">typedef</span> <span class="keywordtype">int</span> result_type; <a name="l00041"></a>00041 <span class="keyword">template</span> <<span class="keyword">typename</span> T> result_type operator()(<span class="keyword">const</span> T& v)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> num_channels<T>::value; } <a name="l00042"></a>00042 }; <a name="l00043"></a>00043 <span class="keyword">struct </span>any_type_get_dimensions { <span class="comment">// works for both image_view and image</span> <a name="l00044"></a>00044 <span class="keyword">typedef</span> point2<std::ptrdiff_t> result_type; <a name="l00045"></a>00045 <span class="keyword">template</span> <<span class="keyword">typename</span> T> result_type operator()(<span class="keyword">const</span> T& v)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> v.dimensions(); } <a name="l00046"></a>00046 }; <a name="l00047"></a>00047 } <a name="l00048"></a>00048 <a name="l00063"></a>00063 <span class="keyword">template</span> <<span class="keyword">typename</span> ImageViewTypes> <a name="l00064"></a><a class="code" href="g_i_l_0020.html">00064</a> <span class="keyword">class </span><a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a> : <span class="keyword">public</span> <a class="code" href="g_i_l_0062.html" title="Represents a concrete instance of a run-time specified type from a set of typesA...">variant</a><ImageViewTypes> { <a name="l00065"></a>00065 <span class="keyword">typedef</span> <a class="code" href="g_i_l_0062.html" title="Represents a concrete instance of a run-time specified type from a set of typesA...">variant<ImageViewTypes></a> <a class="code" href="g_i_l_0062.html">parent_t</a>; <a name="l00066"></a>00066 <span class="keyword">public</span>: <a name="l00067"></a>00067 <span class="keyword">typedef</span> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view<typename detail::views_get_const_t<ImageViewTypes>::type</a>> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">const_t</a>; <a name="l00068"></a>00068 <span class="keyword">typedef</span> std::ptrdiff_t x_coord_t; <a name="l00069"></a>00069 <span class="keyword">typedef</span> std::ptrdiff_t y_coord_t; <a name="l00070"></a>00070 <span class="keyword">typedef</span> <a class="code" href="g_i_l_0060.html" title="2D point both axes of which have the same dimension typeModels: Point2DConcept">point2<std::ptrdiff_t></a> <a class="code" href="g_i_l_0060.html">point_t</a>; <a name="l00071"></a>00071 <a name="l00072"></a>00072 <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a>() : <a class="code" href="g_i_l_0062.html">parent_t</a>() {} <a name="l00073"></a>00073 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <span class="keyword">explicit</span> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a>(<span class="keyword">const</span> T& obj) : <a class="code" href="g_i_l_0062.html">parent_t</a>(obj) {} <a name="l00074"></a>00074 <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a>(<span class="keyword">const</span> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a>& v) : <a class="code" href="g_i_l_0062.html">parent_t</a>((<span class="keyword">const</span> <a class="code" href="g_i_l_0062.html">parent_t</a>&)v) {} <a name="l00075"></a>00075 <a name="l00076"></a>00076 <span class="keyword">template</span> <<span class="keyword">typename</span> T> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a>& operator=(<span class="keyword">const</span> T& obj) { parent_t::operator=(obj); <span class="keywordflow">return</span> *<span class="keyword">this</span>; } <a name="l00077"></a>00077 <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a>& operator=(<span class="keyword">const</span> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a>& v) { parent_t::operator=((<span class="keyword">const</span> <a class="code" href="g_i_l_0062.html">parent_t</a>&)v); <span class="keywordflow">return</span> *<span class="keyword">this</span>;} <a name="l00078"></a>00078 <a name="l00079"></a>00079 std::size_t <a class="code" href="g_i_l_0581.html" title="Returns the number of channels of a pixel-based GIL construct.">num_channels</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="group___variant.html#g3c8fd0f3dc2495060bf062428dccc505" title="Invokes a generic mutable operation (represented as a unary function object) on a...">apply_operation</a>(*<span class="keyword">this</span>, detail::any_type_get_num_channels()); } <a name="l00080"></a>00080 <a class="code" href="g_i_l_0060.html">point_t</a> dimensions()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="group___variant.html#g3c8fd0f3dc2495060bf062428dccc505" title="Invokes a generic mutable operation (represented as a unary function object) on a...">apply_operation</a>(*<span class="keyword">this</span>, detail::any_type_get_dimensions()); } <a name="l00081"></a>00081 x_coord_t width()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> dimensions().<a class="code" href="g_i_l_0060.html#9a4f74af87a76a4c3dcb729cb0e68f8d">x</a>; } <a name="l00082"></a>00082 y_coord_t height()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> dimensions().<a class="code" href="g_i_l_0060.html#1cb2b5ea04251d543e49356ef54eb853">y</a>; } <a name="l00083"></a>00083 }; <a name="l00084"></a>00084 <a name="l00086"></a>00086 <span class="comment">// HasDynamicXStepTypeConcept</span> <a name="l00088"></a>00088 <span class="comment"></span> <a name="l00089"></a>00089 <span class="keyword">template</span> <<span class="keyword">typename</span> IVTypes> <a name="l00090"></a>00090 <span class="keyword">struct </span>dynamic_x_step_type<<a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view</a><IVTypes> > { <a name="l00091"></a>00091 <span class="keyword">typedef</span> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view<typename mpl::transform<IVTypes, dynamic_x_step_type<mpl::_1></a> >::type> type; <a name="l00092"></a>00092 }; <a name="l00093"></a>00093 <a name="l00095"></a>00095 <span class="comment">// HasDynamicYStepTypeConcept</span> <a name="l00097"></a>00097 <span class="comment"></span> <a name="l00098"></a>00098 <span class="keyword">template</span> <<span class="keyword">typename</span> IVTypes> <a name="l00099"></a>00099 <span class="keyword">struct </span>dynamic_y_step_type<any_image_view<IVTypes> > { <a name="l00100"></a>00100 <span class="keyword">typedef</span> any_image_view<typename mpl::transform<IVTypes, dynamic_y_step_type<mpl::_1> >::type> type; <a name="l00101"></a>00101 }; <a name="l00102"></a>00102 <a name="l00103"></a>00103 <span class="keyword">template</span> <<span class="keyword">typename</span> IVTypes> <a name="l00104"></a>00104 <span class="keyword">struct </span>dynamic_xy_step_type<any_image_view<IVTypes> > { <a name="l00105"></a>00105 <span class="keyword">typedef</span> any_image_view<typename mpl::transform<IVTypes, dynamic_xy_step_type<mpl::_1> >::type> type; <a name="l00106"></a>00106 }; <a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="keyword">template</span> <<span class="keyword">typename</span> IVTypes> <a name="l00109"></a>00109 <span class="keyword">struct </span>dynamic_xy_step_transposed_type<any_image_view<IVTypes> > { <a name="l00110"></a>00110 <span class="keyword">typedef</span> any_image_view<typename mpl::transform<IVTypes, dynamic_xy_step_transposed_type<mpl::_1> >::type> type; <a name="l00111"></a>00111 }; <a name="l00112"></a>00112 <a name="l00113"></a>00113 } } <span class="comment">// namespace boost::gil</span> <a name="l00114"></a>00114 <a name="l00115"></a>00115 <span class="preprocessor">#endif</span> </pre></div></div> <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:13 2009 for Generic Image Library by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> </body> </html>