--- scribo/sandbox/ChangeLog | 4 ++ scribo/sandbox/z/sauvola_ms_rv/dump_color_sign.cc | 52 +++++++++++++++++++++ 2 files changed, 56 insertions(+), 0 deletions(-) create mode 100644 scribo/sandbox/z/sauvola_ms_rv/dump_color_sign.cc diff --git a/scribo/sandbox/ChangeLog b/scribo/sandbox/ChangeLog index 92abdb1..2c0068f 100644 --- a/scribo/sandbox/ChangeLog +++ b/scribo/sandbox/ChangeLog @@ -1,5 +1,9 @@ 2012-08-23 Guillaume Lazzara <z@lrde.epita.fr> + * z/sauvola_ms_rv/dump_color_sign.cc: New. + +2012-08-23 Guillaume Lazzara <z@lrde.epita.fr> + Add test images. * z/sauvola_ms_rv/img/001.pgm, diff --git a/scribo/sandbox/z/sauvola_ms_rv/dump_color_sign.cc b/scribo/sandbox/z/sauvola_ms_rv/dump_color_sign.cc new file mode 100644 index 0000000..6ea6ad8 --- /dev/null +++ b/scribo/sandbox/z/sauvola_ms_rv/dump_color_sign.cc @@ -0,0 +1,52 @@ +#include <mln/core/concept/function.hh> +#include <mln/core/image/image2d.hh> +#include <mln/value/rgb8.hh> +#include <mln/io/dump/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/data/transform.hh> +#include <mln/data/stretch.hh> +#include <mln/arith/minus.hh> + +namespace mln +{ + + struct color_diff : Function_v2v<color_diff> + { + typedef value::rgb8 result; + + value::rgb8 operator()(const int& v) const + { + int v_d2 = std::abs(v) * 0.0001; + + if (v < 0) + return value::rgb8(128 + v_d2, v_d2, v_d2); + else if (v > 0) + return value::rgb8(v_d2, 128 + v_d2, v_d2); + else + return value::rgb8(255, 255, 255); + } + }; + +} + + +int main(int argc, char *argv[]) +{ + using namespace mln; + + + if (argc != 3) + { + std::cout << "Usage: " << argv[0] << " in.dump out.ppm" << std::endl; + return 1; + } + + image2d<double> input; + + io::dump::load(input, argv[1]); + + color_diff f; + image2d<value::rgb8> result = data::transform(input, f); + + io::ppm::save(result, argv[2]); +} -- 1.7.2.5