Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 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 00029 00030 #include <mln/core/image/image2d.hh> 00031 00032 #include <mln/io/pgm/load.hh> 00033 #include <mln/io/ppm/load.hh> 00034 #include <mln/io/fld/load.hh> 00035 #include <mln/io/fld/save.hh> 00036 #include <mln/value/int_u8.hh> 00037 #include <mln/value/int_u16.hh> 00038 #include <mln/data/compare.hh> 00039 #include "tests/data.hh" 00040 00041 #include <stdio.h> 00042 #include <float.h> 00043 #include <time.h> 00044 00045 int main() 00046 { 00047 using namespace mln; 00048 using value::int_u8; 00049 using value::int_u16; 00050 00051 // Test on int_u8. 00052 // Veclen = 1, data = byte 00053 { 00054 image2d<int_u8> ori, test; 00055 io::pgm::load(ori, MLN_IMG_DIR "/lena.pgm"); 00056 00057 io::fld::save(ori, "out.fld"); 00058 io::fld::load(test, "out.fld"); 00059 00060 // Clean output. 00061 std::remove("out.fld"); 00062 00063 mln_assertion(ori == test); 00064 } 00065 00066 // Test on RGB 16 00067 // Veclen = 3, data = short 00068 { 00069 image2d<int_u16> ori, test; 00070 io::ppm::load(ori, MLN_IMG_DIR "/lena_16.ppm"); 00071 00072 io::fld::save(ori, "out.fld"); 00073 io::fld::load(test, "out.fld"); 00074 00075 // Clean output. 00076 std::remove("out.fld"); 00077 00078 mln_assertion(ori == test); 00079 } 00080 00081 // Test on 32-bits data type 00082 // Veclen = 1, data = float 00083 { 00084 image2d<float> ori, test; 00085 box<point2d> domain(8, 9); 00086 00087 srand(time(NULL)); 00088 ori.init_(domain); 00089 { 00090 mln_piter_(image2d<float>) p(domain); 00091 for_all(p) 00092 ori(p) = random() / RAND_MAX; 00093 } 00094 00095 io::fld::save(ori, "out.fld"); 00096 io::fld::load(test, "out.fld"); 00097 00098 // Clean output. 00099 std::remove("out.fld"); 00100 00101 { 00102 mln_piter_(image2d<float>) p(domain); 00103 for_all(p) 00104 mln_assertion(fabs(ori(p) - test(p)) < FLT_EPSILON); 00105 } 00106 } 00107 00108 }