Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #ifndef MLN_DATA_SPLIT_HH 00027 # define MLN_DATA_SPLIT_HH 00028 00029 # include <mln/core/concept/image.hh> 00030 # include <mln/value/rgb8.hh> 00031 00037 00038 namespace mln 00039 { 00040 00041 namespace data 00042 { 00043 00044 template <typename I, typename J> 00045 void 00046 split(const Image<I>& input_, Image<J>& r_, Image<J>& g_, Image<J>& b_); 00047 00048 00049 # ifndef MLN_INCLUDE_ONLY 00050 00051 00052 template <typename I, typename J> 00053 void 00054 split(const Image<I>& input_, Image<J>& r_, Image<J>& g_, Image<J>& b_) 00055 { 00056 trace::entering("mln::data::split"); 00057 00058 const I& input = exact(input_); 00059 J& r = exact(r_); 00060 J& g = exact(g_); 00061 J& b = exact(b_); 00062 00063 mln_assertion(input.is_valid()); 00064 mlc_is(mln_value(I), value::rgb8)::check(); 00065 // FIXME: add more checks. 00066 mlc_is(mln_trait_image_value_storage(I), 00067 trait::image::value_storage::one_block)::check(); 00068 00069 initialize(r, input); 00070 initialize(g, input); 00071 initialize(b, input); 00072 00073 typedef const mln_value(I)* in_ptr_t; 00074 typedef mln_value(J)* out_ptr_t; 00075 00076 in_ptr_t in_ptr = input.buffer(); 00077 out_ptr_t 00078 r_ptr = r.buffer(), 00079 g_ptr = g.buffer(), 00080 b_ptr = b.buffer(); 00081 00082 for (unsigned n = 0; n < input.nelements(); ++n, ++in_ptr) 00083 { 00084 *r_ptr++ = in_ptr->red(); 00085 *g_ptr++ = in_ptr->green(); 00086 *b_ptr++ = in_ptr->blue(); 00087 } 00088 00089 trace::exiting("mln::data::split"); 00090 } 00091 00092 00093 # endif // ! MLN_INCLUDE_ONLY 00094 00095 } // end of namespace mln::data 00096 00097 } // end of namespace mln 00098 00099 #endif // ! MLN_DATA_SPLIT_HH