00001 // Copyright (C) 2007, 2008, 2009 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 #include <mln/core/image/image2d.hh> 00027 #include <mln/core/pixel.hh> 00028 #include <mln/metal/equal.hh> 00029 #include <mln/opt/at.hh> 00030 00031 00032 int main() 00033 { 00034 using namespace mln; 00035 00036 typedef image2d<int> I; 00037 00038 border::thickness = 0; 00039 I ima(3, 3); 00040 00041 { 00042 pixel<I> pxl(ima, point2d(1, 1)); 00043 pxl.val() = 51; 00044 mln_assertion(opt::at(ima, 1, 1) == 51); 00045 } 00046 00047 { 00048 pixel<const I> pxl(ima, point2d(1, 1)); 00049 opt::at(ima, 1, 1) = 51; 00050 mln_assertion(unsigned(pxl) == 4); 00051 mln_assertion(pxl.val() == 51); 00052 00053 00054 // hopefully the code below does not compile: 00055 // pxl.val() = 0; 00056 // assignment of read-only location 00057 } 00058 00059 { 00060 mln::metal::equal< mln_image_(pixel<I>), I >::check(); 00061 mln::metal::equal< mln_image_(pixel<const I>), const I >::check(); 00062 } 00063 }