Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2009, 2010 EPITA Research and Development Laboratory 00002 // (LRDE) 00003 // 00004 // This file is part of Olena. 00005 // 00006 // Olena is free software: you can redistribute it and/or modify it under 00007 // the terms of the GNU General Public License as published by the Free 00008 // Software Foundation, version 2 of the License. 00009 // 00010 // Olena is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software project without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to produce 00022 // an executable, this file does not by itself cause the resulting 00023 // executable to be covered by the GNU General Public License. This 00024 // exception does not however invalidate any other reasons why the 00025 // executable file might be covered by the GNU General Public License. 00026 00027 #include <mln/core/image/image2d.hh> 00028 00029 #include <mln/data/compare.hh> 00030 00031 #include <mln/io/magick/load.hh> 00032 #include <mln/io/magick/save.hh> 00033 00034 #include <mln/io/pbm/load.hh> 00035 #include <mln/io/pbm/save.hh> 00036 00037 #include <mln/io/pgm/load.hh> 00038 #include <mln/io/pgm/save.hh> 00039 00040 #include <mln/io/ppm/load.hh> 00041 #include <mln/io/ppm/save.hh> 00042 00043 #include "tests/data.hh" 00044 00045 00046 using namespace mln; 00047 00048 00049 template <typename T> 00050 image2d<T> 00051 test(const image2d<T>& lena_mln, const std::string& temp_filename) 00052 { 00053 point2d p(0,0); 00054 00055 T c = lena_mln(p); 00056 00057 io::magick::save(lena_mln, temp_filename); 00058 image2d<T> lena_im; 00059 io::magick::load(lena_im, temp_filename); 00060 00061 mln_assertion(lena_im(p) == c); 00062 mln_assertion(lena_im.domain() == lena_mln.domain()); 00063 mln_assertion(lena_im == lena_mln); 00064 00065 return lena_im; 00066 } 00067 00068 00069 int main(int /* argc */, char* argv[]) 00070 { 00071 using namespace mln; 00072 00073 /* From http://www.graphicsmagick.org/Magick++/Image.html: 00074 00075 The InitializeMagick() function MUST be invoked before 00076 constructing any Magick++ objects. This used to be optional, 00077 but now it is absolutely required. This function initalizes 00078 semaphores and configuration information necessary for the 00079 software to work correctly. Failing to invoke 00080 InitializeMagick() is likely to lead to a program crash or 00081 thrown assertion. If the program resides in the same directory 00082 as the GraphicsMagick files, then argv[0] may be passed as an 00083 argument so that GraphicsMagick knows where its files reside, 00084 otherwise NULL may be passed and GraphicsMagick will try to use 00085 other means (if necessary). */ 00086 Magick::InitializeMagick(*argv); 00087 00088 point2d p(0,0); 00089 00090 // Grayscale values (PBM -> PBM -> PBM). 00091 { 00092 typedef image2d<bool> I; 00093 I lena_mln; 00094 io::pbm::load(lena_mln, MLN_IMG_DIR "/tiny.pbm"); 00095 I lena_im = ::test(lena_mln, "save-tiny-temp.pbm"); 00096 io::pbm::save(lena_im, "save-tiny.pbm"); 00097 } 00098 00099 // Grayscale values (PGM -> PGM -> PGM). 00100 { 00101 typedef image2d<value::int_u8> I; 00102 I lena_mln; 00103 io::pgm::load(lena_mln, MLN_IMG_DIR "/tiny.pgm"); 00104 I lena_im = ::test(lena_mln, "save-tiny-temp.pgm"); 00105 io::pgm::save(lena_im, "save-tiny.pgm"); 00106 } 00107 00108 // Color values (PPM -> PNG -> PPM). 00109 { 00110 typedef image2d<value::rgb8> I; 00111 I lena_mln; 00112 io::ppm::load(lena_mln, MLN_IMG_DIR "/tiny.ppm"); 00113 I lena_im = ::test(lena_mln, "save-tiny-temp.png"); 00114 io::ppm::save(lena_im, "save-tiny.ppm"); 00115 } 00116 }