[Olena-patches] milena r3539: Integrate ImageMagick support in Milena

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2009-03-17 Fabien Freling &lt;fabien.freling(a)lrde.epita.fr&gt; Integrate ImageMagick support in Milena. * mln/io/all.hh: Update. * mln/io/magick/all.hh: New file, including load.hh * mln/io/magick/load.hh: Implement ImageMagick load support. --- all.hh | 1 magick/all.hh | 50 ++++++++++++++++ magick/load.hh | 171 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 222 insertions(+) Index: trunk/milena/mln/io/magick/all.hh =================================================================== --- trunk/milena/mln/io/magick/all.hh (revision 0) +++ trunk/milena/mln/io/magick/all.hh (revision 3539) @@ -0,0 +1,50 @@ +// Copyright (C) 2009 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef MLN_IO_MAGICK_ALL_HH +# define MLN_IO_MAGICK_ALL_HH + +/*! \file mln/io/magick/all.hh + * + * \brief File that includes all magick io materials. + */ + + +namespace mln +{ + + namespace io + { + /// Namespace of magick input/output handling. + namespace magick {} + } + +} + +# include <mln/io/magick/load.hh> + +#endif // ! MLN_IO_MAGICK_ALL_HH Index: trunk/milena/mln/io/magick/load.hh =================================================================== --- trunk/milena/mln/io/magick/load.hh (revision 0) +++ trunk/milena/mln/io/magick/load.hh (revision 3539) @@ -0,0 +1,171 @@ +// Copyright (C) 2009 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef MLN_IO_MAGICK_LOAD_HH +# define MLN_IO_MAGICK_LOAD_HH + +/*! + * \file mln/io/magick/load.hh + * + * \brief Define a function which loads an image of kind magick with + * given path. + * + */ + +# include <mln/core/image/image2d.hh> +# include <mln/value/int_u8.hh> +# include <mln/value/rgb8.hh> +# include <Magick++.h> + + +namespace mln +{ + + namespace io + { + + namespace magick + { + + /*! Load a magick image in a Milena image. + * + * \param[out] ima A reference to the image which will receive + * data. + * \param[in] filename The source. + */ + template <typename I> + void load(Image<I>& ima, + const std::string& filename); + + +# ifndef MLN_INCLUDE_ONLY + + inline + bool do_it(const value::rgb8& in, bool& out, const std::string& filename) + { + if (in.red() == 255u && in.green() == 255u && in.blue() == 255u) + { + out = true; + return true; + } + if (in.red() == 0u && in.green() == 0u && in.blue() == 0u) + { + out = false; + return true; + } + if (in.red() == in.green() && in.green() == in.blue()) + std::cerr << "error: trying to load '" << filename << "' which is a grayscale image into a bool image" << std::endl; + else + std::cerr << "error: trying to load '" << filename << "' which is a truecolor image into a bool image" << std::endl; + return false; + } + + inline + bool do_it(const value::rgb8& in, value::int_u8& out, const std::string& filename) + { + if (in.red() == in.green() && in.green() == in.blue()) + { + out = in.red(); + return true; + } + std::cerr << "error: trying to load '" << filename << "' which is a truecolor image into a grayscale image" << std::endl; + return false; + } + + inline + bool do_it(const value::rgb8& in, value::rgb8& out, const std::string& filename) + { + out = in; + return true; + } + + + template <typename I> + inline + void load(Image<I>& ima_, + const std::string& filename) + { + trace::entering("mln::io::magick::load"); + + I& ima = exact(ima_); + + //std::ifstream file(filename.c_str()); + //if (! file) + //{ + // std::cerr << "error: cannot open file '" << filename << "'!"; + // abort(); + //} + + Magick::Image im_file(filename); + im_file.modifyImage(); + im_file.type(Magick::TrueColorType); + int columns = im_file.columns(); + int rows = im_file.rows(); + /*std::cout << "width: " <<columns << std::endl; + std::cout << "height: " <<rows << std::endl; + std::cout << "depth: " <<im_file.depth() << std::endl; + std::cout << "format: " <<im_file.format() << std::endl; + std::cout << "magick: " <<im_file.magick() << std::endl;*/ + + const Magick::PixelPacket *pixel_cache = im_file.getConstPixels(0, 0, columns, rows); + + algebra::vec<mln_site_(I)::dim, unsigned int> vmin; + algebra::vec<mln_site_(I)::dim, unsigned int> vmax; + vmin[0] = 0; + vmin[1] = 0; + vmax[0] = rows - 1; + vmax[1] = columns - 1; + mln_site(I) pmin(vmin); + mln_site(I) pmax(vmax); + mln_concrete(I) result(box<mln_site(I)>(pmin, pmax)); + initialize(ima, result); + mln_piter(I) p(ima.domain()); + for_all(p) + { + const Magick::PixelPacket *pixel = pixel_cache + (int) p.to_site().to_vec()[0] * columns + + (int) p.to_site().to_vec()[1]; + value::rgb8 pix(pixel->red % 256, pixel->green % 256, pixel->blue % 256); // WARNING: Quantum = 16bits but rgb is 8bits + mln_value(I) res; + if (!do_it(pix, res, filename)) + abort(); + ima(p) = res; + } + + trace::exiting("mln::io::magick::load"); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::io::magick + + } // end of namespace mln::io + +} // end of namespace mln + + +#endif // ! MLN_IO_MAGICK_LOAD_HH Index: trunk/milena/mln/io/all.hh =================================================================== --- trunk/milena/mln/io/all.hh (revision 3538) +++ trunk/milena/mln/io/all.hh (revision 3539) @@ -49,6 +49,7 @@ # include <mln/io/cloud/all.hh> # include <mln/io/dump/all.hh> # include <mln/io/dicom/load.hh> +# include <mln/io/magick/all.hh> # include <mln/io/pbm/all.hh> # include <mln/io/pfm/all.hh> # include <mln/io/pgm/all.hh>