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An Image Processing Platform
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highlight_text_area.cc
1 // Copyright (C) 2010 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
6 // the terms of the GNU General Public License as published by the Free
7 // Software Foundation, version 2 of the License.
8 //
9 // Olena is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
16 //
17 // As a special exception, you may use this file as part of a free
18 // software project without restriction. Specifically, if other files
19 // instantiate templates or use macros or inline functions from this
20 // file, or you compile this file and link it with other files to produce
21 // an executable, this file does not by itself cause the resulting
22 // executable to be covered by the GNU General Public License. This
23 // exception does not however invalidate any other reasons why the
24 // executable file might be covered by the GNU General Public License.
25 
26 
27 # include <iostream>
28 # include <fstream>
29 
30 # include <mln/core/image/image2d.hh>
31 # include <mln/util/array.hh>
32 # include <mln/core/alias/box2d.hh>
33 # include <mln/make/box2d.hh>
34 # include <mln/io/ppm/save.hh>
35 # include <mln/io/magick/load.hh>
36 # include <mln/value/rgb8.hh>
37 
38 # include <scribo/debug/highlight_text_area.hh>
39 # include <scribo/debug/usage.hh>
40 
41 const char *args_desc[][2] =
42 {
43  { "input.*", "An image." },
44  { "ocr_text.txt", "OCR result which must contain text boxes coordinates." },
45  { "output.ppm", "A color image with highlighted text areas." },
46  {0, 0}
47 };
48 
49 
50 int main(int argc, char *argv[])
51 {
52  using namespace mln;
53 
54  if (argc != 4)
55  return scribo::debug::usage(argv,
56  "Highlight text areas in an image.",
57  "input.* ocr_text.txt output.ppm",
58  args_desc);
59 
60  mln_trace("main");
61 
63  io::magick::load(input, argv[1]);
64 
65 
67 
68  std::ifstream file(argv[2]);
69  if (! file)
70  {
71  std::cerr << "error: file '" << argv[2]
72  << "' not found!";
73  abort();
74  }
75 
76 
77  while (! file.eof())
78  {
79  int
80  pmin_row, pmin_col,
81  pmax_row, pmax_col;
82 
83  file >> pmin_row;
84  file >> pmin_col;
85  file >> pmax_row;
86  file >> pmax_col;
87 
88  std::string txt;
89  getline (file, txt);
90 
91  bbox.append(mln::make::box2d(pmin_row, pmin_col, pmax_row, pmax_col));
92  }
93 
95 
96 }