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An Image Processing Platform
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rotate.cc
1 // Copyright (C) 2010, 2013 EPITA Research and Development Laboratory
2 // (LRDE)
3 //
4 // This file is part of Olena.
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8 // Software Foundation, version 2 of the License.
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20 // instantiate templates or use macros or inline functions from this
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25 // executable file might be covered by the GNU General Public License.
26 
27 #include <mln/core/image/image2d.hh>
28 #include <mln/value/rgb8.hh>
29 #include <mln/io/magick/load.hh>
30 #include <mln/io/ppm/save.hh>
31 
32 #include <mln/geom/rotate.hh>
33 
34 #include <mln/literal/black.hh>
35 
36 #include <scribo/debug/usage.hh>
37 
38 
39 const char *args_desc[][2] =
40 {
41  { "input.*", "An image." },
42  { "output.ppm", "A rotated image." },
43  { "angle", "The rotation angle." },
44  {0, 0}
45 };
46 
47 
48 
49 int main(int argc, char *argv[])
50 {
51  using namespace mln;
52 
53  if (argc != 4)
54  return scribo::debug::usage(argv,
55  "Rotation of an image from an arbitrary "
56  "angle.",
57  "input.* output.ppm angle",
58  args_desc);
59 
60 
61  typedef image2d<value::rgb8> I;
62  I ima;
63 
64  io::magick::load(ima, argv[1]);
65 
67  out = mln::geom::rotate(ima, atof(argv[3]), literal::black);
68 
69  io::ppm::save(out, argv[2]);
70 }