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put_word.hh
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26 
27 #ifndef MLN_DEBUG_PUT_WORD_HH
28 # define MLN_DEBUG_PUT_WORD_HH
29 
33 
34 # include <string>
35 # include <mln/core/image/image2d.hh>
36 
37 
38 namespace mln
39 {
40 
41  namespace debug
42  {
43 
48  inline
49  void
50  put_word(image2d<char>& inout, const point2d& word_start,
51  const std::string& word);
52 
53 
54 # ifndef MLN_INCLUDE_ONLY
55 
56  inline
57  void
58  put_word(image2d<char>& inout, const point2d& word_start,
59  const std::string& word)
60  {
61  mln_precondition(word.length() != 0);
62  mln_precondition(inout.has(word_start));
63 
64  point2d word_end = word_start;
65 
66  word_end.last_coord() = static_cast<def::coord>(word_end.last_coord() + word.length() - 1);
67 
68  if (! inout.has(word_end))
69  mln_trace_warning("Cannot write text outside the image domain");
70 
71  const unsigned n = word.length();
72  point2d p = word_start;
73  for (unsigned i = 0; i < n && inout.has(p); ++i)
74  {
75  inout(p) = word[i];
76  p += right;
77  }
78  }
79 
80 # endif // ! MLN_INCLUDE_ONLY
81 
82  } // end of namespace mln::debug
83 
84 } // end of namespace mln
85 
86 
87 #endif // ! MLN_DEBUG_PUT_WORD_HH