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debug.hh
1 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
4 //
5 // Olena is free software: you can redistribute it and/or modify it under
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25 
26 #ifndef APPS_GRAPH_MORPHO_DEBUG_HH
27 # define APPS_GRAPH_MORPHO_DEBUG_HH
28 
31 
32 # include <mln/core/alias/complex_image.hh>
33 # include <mln/core/image/image2d.hh>
34 
35 # include <mln/debug/println.hh>
36 
37 # include "apps/graph-morpho/convert.hh"
38 
39 
40 namespace debug
41 {
42 
44  void
45  println_graph(const std::string& message, const mln::image2d<bool>& input)
46  {
47  // INPUT must have odd numbers of rows and columns.
48  mln_precondition(input.nrows() % 2 == 1);
49  mln_precondition(input.ncols() % 2 == 1);
50 
51  mln::image2d<char> output;
52  mln::initialize(output, input);
53  for (int row = input.domain().pmin().row();
54  row <= input.domain().pmax().row(); ++row)
55  {
56  if (row % 2 == 0)
57  // Even row: line with vertices and horizontal edges.
58  for (int col = input.domain().pmin().col();
59  col <= input.domain().pmax().col(); ++col)
60  {
61  mln::point2d p(row, col);
62  if (col % 2 == 0)
63  // Even column: vertex.
64  output(p) = input(p) ? 'O' : '.';
65  else
66  // Odd column: horizontal edge.
67  output(p) = input(p) ? '-' : ' ';
68  }
69  else
70  // Odd row: line with vertical edges and inter-edge spaces
71  // (squares).
72  for (int col = input.domain().pmin().col();
73  col <= input.domain().pmax().col(); ++col)
74  {
75  mln::point2d p(row, col);
76  if (col % 2 == 0)
77  // Even column: vertical edge.
78  output(p) = input(p) ? '|' : ' ';
79  else
80  // Odd column: space.
81  output(p) = ' ';
82  }
83  }
84  mln::debug::println(message, output);
85  }
86 
87 
89  void
90  println_graph(const std::string& message,
91  const mln::bin_1complex_image2d& input)
92  {
93  println_graph(message, convert::to_image2d(input));
94  }
95 
96 } // end of namespace debug
97 
98 
99 #endif // ! APPS_GRAPH_MORPHO_DEBUG_HH