[Olena-patches] last-svn-commit-645-gbd9472a mln/fun/v2v/rgb8_to_rgbn.hh: Import rgb8 to rgbn conversion function from Yann's sandbox.

--- .../green => milena}/mln/fun/v2v/rgb8_to_rgbn.hh | 82 +++++++++----------- scribo/ChangeLog | 6 ++ 2 files changed, 42 insertions(+), 46 deletions(-) copy {scribo/sandbox/green => milena}/mln/fun/v2v/rgb8_to_rgbn.hh (61%) diff --git a/scribo/sandbox/green/mln/fun/v2v/rgb8_to_rgbn.hh b/milena/mln/fun/v2v/rgb8_to_rgbn.hh similarity index 61% copy from scribo/sandbox/green/mln/fun/v2v/rgb8_to_rgbn.hh copy to milena/mln/fun/v2v/rgb8_to_rgbn.hh index acf1b5e..f1f3611 100644 --- a/scribo/sandbox/green/mln/fun/v2v/rgb8_to_rgbn.hh +++ b/milena/mln/fun/v2v/rgb8_to_rgbn.hh @@ -1,4 +1,4 @@ -// Copyright (C) 2007, 2008, 2009, 2010 EPITA LRDE +// Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -23,9 +23,10 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_FUN_V2V_RGB8_TO_RGBN_HH +#ifndef MLN_FUN_V2V_RGB8_TO_RGBN_HH # define MLN_FUN_V2V_RGB8_TO_RGBN_HH +# include <mln/core/concept/function.hh> # include <mln/value/rgb8.hh> # include <mln/value/rgb.hh> # include <mln/core/contract.hh> @@ -33,36 +34,6 @@ /// \file /// /// \brief Convert rgb8 value to rgbn, n < 8. -/// -/// The source implements the reduction of quantification for any size less 8. -/// -/// The following sample is a typical use of the histogram. -/// -/// #include <mln/accu/stat/histo3d_rgb.hh> -/// #include <mln/core/image/image2d.hh> -/// #include <mln/core/image/image3d.hh> -/// #include <mln/data/compute.hh> -/// #include <mln/data/transform.hh> -/// #include <mln/fun/v2v/rgb8_to_rgbn.hh> -/// #include <mln/img_path.hh> -/// #include <mln/io/ppm/load.hh> -/// #include <mln/value/rgb.hh> -/// #include <mln/value/rgb8.hh> -/// -/// int main() -/// { -/// typedef mln::value::rgb8 t_rgb8; -/// typedef mln::value::rgb<7> t_rgb7; -/// mln::image2d<t_rgb8> img_rgb8; -/// mln::image2d<t_rgb7> img_rgb7; -/// mln::image3d<unsigned> histo; -/// -/// mln::io::ppm::load(img_rgb8, OLENA_IMG_PATH"/lena.ppm"); -/// img_rgb7 =mln::data::transform(img_rgb8,mln::fun::v2v::rgb8_to_rgbn<7>()); -/// histo = mln::data::compute(mln::accu::meta::stat::histo3d_rgb(),img_rgb7); -/// -/// return 0; -/// } namespace mln @@ -74,11 +45,13 @@ namespace mln namespace v2v { + /// \brief Convert a rgb8 value to a rgn, n < 8. /// - /// Param n defines the output quantification used for the transformation. + /// \param n defines the output quantification used for the transformation. /// /// \ingroup modfunv2v + // template <unsigned n> struct rgb8_to_rgbn : Function_v2v< rgb8_to_rgbn<n> > { @@ -91,29 +64,46 @@ namespace mln /// /// Conversion is done by computing the size by which we /// divide each rgb component. + // + result operator()(const argument& c) const; + + }; + - result operator()(const argument& c) const - { - mln_precondition(8 > n); +# ifndef MLN_INCLUDE_ONLY - unsigned size = pow(2,(8-n)); - /* + /// \brief Convert a rgb8 value to a rgn, n < 8. + /// + /// \param n defines the output quantification used for the transformation. + /// + /// \ingroup modfunv2v + // + template <unsigned n> + typename rgb8_to_rgbn<n>::result + rgb8_to_rgbn<n>::operator()(const argument& c) const + { + mln_precondition(8 > n); + + unsigned size = pow(2,(8-n)); + /* std::cout << "c : " << c << std::endl; std::cout << "red : " << c.red() << std::endl; std::cout << "size : " << size << std::endl; std::cout << "res : " << (c.red() / size) << std::endl; std::cout << "max : " << (mln_max(mln::value::int_u<n>))<< std::endl; - */ - result res(c.red() / size, c.green() / size, c.blue() / size); + */ + result res(c.red() / size, c.green() / size, c.blue() / size); + + return res; + } + +# endif // ! MLN_INCLUDE_ONLY - return res; - } - }; - } + } // end of namespace mln::fun::v2v - } + } // end of namespace mln::fun -} +} // end of namespace mln #endif // ! MLN_FUN_V2V_RGB8_TO_RGBN_HH diff --git a/scribo/ChangeLog b/scribo/ChangeLog index e0d155a..cd8db5d 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,5 +1,11 @@ 2010-11-15 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + Import rgb8 to rgbn conversion function from Yann's sandbox. + + * mln/fun/v2v/rgb8_to_rgbn.hh: New. + +2010-11-15 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + * scribo/core/macros.hh: Remove deprecated macro. 2010-09-02 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; -- 1.5.6.5