00001 // Copyright (C) 2007, 2008, 2009, 2010 EPITA Research and Development 00002 // Laboratory (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 #include <mln/win/rectangle2d.hh> 00029 00030 #include <mln/value/int_u8.hh> 00031 #include <mln/value/int_u16.hh> 00032 00033 #include <mln/io/pgm/load.hh> 00034 #include <mln/io/pgm/save.hh> 00035 00036 #include <mln/data/transform.hh> 00037 00038 #include "tests/data.hh" 00039 00040 00041 using namespace mln; 00042 00043 struct to16bits : mln::Function_v2v<to16bits> 00044 { 00045 00046 typedef value::int_u16 result; 00047 result operator()(value::int_u8 v) const 00048 { 00049 result ret(v * 256); 00050 return ret; 00051 } 00052 }; 00053 00054 struct to8bits : mln::Function_v2v<to8bits> 00055 { 00056 00057 typedef value::int_u8 result; 00058 result operator()(value::int_u16 v) const 00059 { 00060 result ret(v / 256); 00061 return ret; 00062 } 00063 }; 00064 00065 00066 int main() 00067 { 00068 using namespace mln; 00069 using value::int_u8; 00070 using value::int_u16; 00071 00072 { 00073 win::rectangle2d rect(51, 51); 00074 border::thickness = 52; 00075 00076 image2d<int_u8> lena = io::pgm::load<int_u8>(MLN_IMG_DIR "/lena.pgm"); 00077 image2d<int_u16> out(lena.domain()); 00078 00079 out = data::transform(lena, to16bits()); 00080 io::pgm::save(out, "pgm16-out16.pgm"); 00081 00082 image2d<int_u16> lena2 = io::pgm::load<int_u16>("pgm16-out16.pgm"); 00083 00084 image2d<int_u8> out2(lena.domain()); 00085 out2 = data::transform(lena2, to8bits()); 00086 io::pgm::save(out2, "pgm16-out8.pgm"); 00087 } 00088 00089 00090 { 00091 /* FIXME: Is this dead code, or code not working? Be more specific. */ 00092 // Abort 00093 // image2d< value::int_u<8> > a; 00094 // io::pgm::load(a, "pgm16-out16.pgm"); 00095 00096 image2d< value::int_u<16> > b; 00097 io::pgm::load(b, "pgm16-out16.pgm"); 00098 } 00099 00100 }
1.7.1