[Olena-patches] milena r1548: Fix a bug in p(g|p)m load

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2007-11-27 Matthieu Garrigues &lt;garrigues(a)lrde.epita.fr&gt; Fix a bug in p(g|p)m load. * mln/io/pnm/load.hh: (load(image&, filename)) now work on rgb images. * mln/io/pnm/max_component.hh: Define a function which give the max of the component of a value type. * tests/io/pgm/pgm16.cc: Now test the other way to load an image (load(image&, filename)). * tests/io/ppm/ppm16.cc: likewise. * img/lena_16.ppm: New, lena, ppm 16 bits. --- mln/io/pnm/load.hh | 12 ++++-- mln/io/pnm/max_component.hh | 77 ++++++++++++++++++++++++++++++++++++++++++++ tests/io/pgm/pgm16.cc | 12 ++++++ tests/io/ppm/ppm16.cc | 12 ++++++ 4 files changed, 107 insertions(+), 6 deletions(-) Index: trunk/milena/tests/io/pgm/pgm16.cc =================================================================== --- trunk/milena/tests/io/pgm/pgm16.cc (revision 1547) +++ trunk/milena/tests/io/pgm/pgm16.cc (revision 1548) @@ -72,6 +72,7 @@ using value::int_u8; using value::int_u16; + { win::rectangle2d rect(51, 51); border::thickness = 52; @@ -90,6 +91,17 @@ level::transform(lena2, to8bits(), out2); io::pgm::save(out2, "out8.pgm"); + } + { + // Abort +// image2d< value::int_u<8> > a; +// io::pgm::load(a, "out16.pgm"); + + image2d< value::int_u<16> > b; + io::pgm::load(b, "out16.pgm"); + + } + } Index: trunk/milena/tests/io/ppm/ppm16.cc =================================================================== --- trunk/milena/tests/io/ppm/ppm16.cc (revision 1547) +++ trunk/milena/tests/io/ppm/ppm16.cc (revision 1548) @@ -78,7 +78,7 @@ typedef image2d<rgb8> I; - + { // load a 8bits image A image2d<rgb8> a = io::ppm::load<rgb8>("../../../img/lena.ppm"); @@ -106,5 +106,15 @@ // D should equals A mln_assertion(d == a); + } + + { + // Abort +// image2d<rgb8> a; +// io::ppm::load(a, "../../../img/lena_16.ppm"); + image2d< value::rgb<16> > b; + io::ppm::load(b, "../../../img/lena_16.ppm"); + + } } Index: trunk/milena/mln/io/pnm/max_component.hh =================================================================== --- trunk/milena/mln/io/pnm/max_component.hh (revision 0) +++ trunk/milena/mln/io/pnm/max_component.hh (revision 1548) @@ -0,0 +1,77 @@ +// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 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_PNM_MAX_COMPONENT_HH +# define MLN_IO_PNM_MAX_COMPONENT_HH + +/*! + * \file mln/io/pnm/max_component.hh + * + * \brief Define a function which give the max of the component of a + * value type. + */ + +namespace mln +{ + + namespace io + { + + namespace pnm + { + template <typename V> + unsigned int max_component(); + +# ifndef MLN_INCLUDE_ONLY + + template <typename V> + unsigned int max_component(const V&) + { + return mln_max(V); + } + +# ifdef MLN_VALUE_RGB_HH + + template <unsigned n> + unsigned int max_component(const mln::value::rgb<n>&) + { + return mln_max( mln::value::int_u<n> ); + } + +# endif + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::io::pnm + + } // end of namespace mln::io + +} // end of namespace mln + + +#endif // ! MLN_IO_PNM_LOAD_HH Index: trunk/milena/mln/io/pnm/load.hh =================================================================== --- trunk/milena/mln/io/pnm/load.hh (revision 1547) +++ trunk/milena/mln/io/pnm/load.hh (revision 1548) @@ -46,6 +46,7 @@ # include <mln/value/rgb.hh> # include <mln/io/pnm/load_header.hh> +# include <mln/io/pnm/max_component.hh> # include <mln/io/pnm/macros.hh> namespace mln @@ -189,15 +190,16 @@ read_header(type_ - 3, type_, file, type, nrows, ncols, maxval); - if (mln_max(mln_value(I)) != maxval) + if (max_component(mln_value(I)()) != maxval) { - std::cerr << "max ref : " << mln_max(mln_value(I)) - << "max image : " << maxval - << std::endl; - std::cerr << "error: file '" << filename << "' cannot be loaded into this type of image" << std::endl; + + std::cerr << "input image have " << maxval + << " as maximum value while the destination's one is " + << max_component(mln_value(I)()) << "." + << std::endl; abort(); } Index: trunk/milena/img/lena_16.ppm =================================================================== Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream Property changes on: trunk/milena/img/lena_16.ppm ___________________________________________________________________ Name: svn:mime-type + application/octet-stream