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put_word.hh
1 // Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_DEBUG_PUT_WORD_HH
27 # define MLN_DEBUG_PUT_WORD_HH
28 
32 
33 # include <string>
34 # include <mln/core/image/image2d.hh>
35 
36 
37 namespace mln
38 {
39 
40  namespace debug
41  {
42 
45  inline
46  void
47  put_word(image2d<char>& inout, const point2d& word_start,
48  const std::string& word);
49 
50 
51 # ifndef MLN_INCLUDE_ONLY
52 
53  inline
54  void
55  put_word(image2d<char>& inout, const point2d& word_start,
56  const std::string& word)
57  {
58  mln_precondition(word.length() != 0);
59  mln_precondition(inout.has(word_start));
60 
61  point2d word_end = word_start;
62 
63  word_end.last_coord() = static_cast<def::coord>(word_end.last_coord() + word.length() - 1);
64 
65  if (! inout.has(word_end))
66  trace::warning("Cannot write text outside the image domain");
67 
68  const unsigned n = word.length();
69  point2d p = word_start;
70  for (unsigned i = 0; i < n && inout.has(p); ++i)
71  {
72  inout(p) = word[i];
73  p += right;
74  }
75  }
76 
77 # endif // ! MLN_INCLUDE_ONLY
78 
79  } // end of namespace mln::debug
80 
81 } // end of namespace mln
82 
83 
84 #endif // ! MLN_DEBUG_PUT_WORD_HH