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/image/imorph/plain.hh> 00028 00029 #include <mln/value/int_u8.hh> 00030 #include <mln/data/compare.hh> 00031 #include <mln/data/fill.hh> 00032 00033 00034 #include <mln/debug/println.hh> 00035 00036 #include <mln/io/pgm/load.hh> 00037 #include <mln/io/pgm/save.hh> 00038 00039 #include "tests/data.hh" 00040 00041 00042 int main() 00043 { 00044 using namespace mln; 00045 using value::int_u8; 00046 00047 { 00048 plain< image2d<int_u8> > lena 00049 = io::pgm::load<int_u8>(MLN_IMG_DIR "/lena.pgm"); 00050 00051 image2d<int_u8> ima; 00052 image2d<int_u8> ima2; 00053 00054 ima = lena; 00055 00056 ima(point2d(0,0)) = 124; 00057 00058 mln_assertion(exact(ima).is_valid()); 00059 mln_assertion(exact(lena).is_valid()); 00060 mln_assertion(ima != lena); 00061 00062 ima2 = lena; 00063 ima = lena; 00064 00065 mln_assertion(ima == ima2); 00066 00067 ima(point2d(0,0)) = 124; 00068 mln_assertion(ima != ima2); 00069 00070 ima = ima2; 00071 00072 ima(point2d(0,0)) = 124; 00073 mln_assertion(ima == ima2); 00074 00075 } 00076 00077 { 00078 image2d<int_u8> lena(12,12); 00079 data::fill(lena, 42); 00080 00081 point2d p1(0,0); 00082 point2d p2(5,4); 00083 00084 image2d< image2d<int_u8> > ima(2,2); 00085 data::fill(ima, lena); 00086 // The 4 pixels of ima share the same data (holded by lena). 00087 // Then this update will affect the 4 pixels of ima. 00088 ima(p1)(p2) = 0; 00089 // ima(0,0)(p2) == ima(0,1)(p2) == ima(1,0)(p2) == ima(1,1)(p2) == 0 00090 00091 image2d< plain< image2d<int_u8> > > ima_plain(2,2); 00092 data::fill(ima_plain, plain< image2d<int_u8> >(lena)); 00093 // The 4 pixels of ima_plain are instances of plain< 00094 // image2d<int_u8> >. So each of them hold their own data. Then 00095 // this update will affect just one pixel at the coordinate 0,0 of 00096 // ima_plain. 00097 ima_plain(p1)(p2) = 0; 00098 // ima_plain(0,0)(p2) == 0 00099 // ima_plain(0,1)(p2) == 0 00100 // ima_plain(1,0)(p2) == 0 00101 // ima_plain(1,1)(p2) == 0 00102 00103 } 00104 00105 }
1.7.1