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 00028 00029 const unsigned size = 20; 00030 const int v = 51; 00031 00032 00033 template <typename I> 00034 void test_fill(I& ima) 00035 { 00036 mln_pixter(I) pxl(ima); 00037 unsigned i = 0; 00038 for_all(pxl) 00039 { 00040 ++i; 00041 pxl.val() = v; 00042 } 00043 mln_assertion(i == size * size); 00044 mln_assertion(! pxl.is_valid()); 00045 00046 mln_piter(I) p(ima.domain()); 00047 for_all(p) 00048 mln_assertion(ima(p) == v); 00049 } 00050 00051 00052 template <typename I> 00053 void test_const(const I& imac, I& ima) 00054 { 00055 { 00056 mln_pixter(const I) pxl(imac); // const is mandatory 00057 pxl.start(); 00058 mln_assertion(pxl.val() == v); 00059 // pxl.val() = v; // error is OK since pixter on 'const I' 00060 } 00061 { 00062 // mln_pixter(I) pxl_(imac); // error is OK since mutable I but const imac 00063 mln_pixter(I) pxl(ima); 00064 pxl.start(); 00065 pxl.val() = 2 * pxl.val(); 00066 mln_assertion(pxl.val() == 2 * v); 00067 } 00068 { 00069 mln_pixter(const I) pxl(ima); // const promotion is OK 00070 pxl.start(); 00071 mln_assertion(pxl.val() == 2 * v); 00072 // pxl.val() = v; // error is OK since pixter on 'const I' 00073 } 00074 } 00075 00076 00077 00078 int main() 00079 { 00080 using namespace mln; 00081 00082 typedef image2d<int> I; 00083 I ima(size, size); 00084 00085 test_fill(ima); 00086 test_const(ima, ima); 00087 }
1.7.1