[Olena-patches] milena r1334: Add some literals

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2007-10-12 Matthieu Garrigues &lt;garrigues(a)lrde.epita.fr&gt; Add some literals. * mln/literal/all.hh: Add missing includes. * mln/literal/colors.hh: New, red, green and blue literals. * mln/literal/grays.hh: New, medium_gray. * tests/literal_medium_gray.cc: New, a little test. * tests/value_rgb8.cc: Update to use literals. * mln/value/graylevel.hh, * mln/value/rgb.hh: Constructors and assigments to handle literals. --- mln/literal/all.hh | 9 ++-- mln/literal/colors.hh | 77 ++++++++++++++++++++++++++++++++++++++++ mln/literal/grays.hh | 60 +++++++++++++++++++++++++++++++ mln/value/graylevel.hh | 26 ++++++++++++- mln/value/rgb.hh | 81 ++++++++++++++++++++++++++++++------------- tests/literal_medium_gray.cc | 57 ++++++++++++++++++++++++++++++ tests/value_rgb8.cc | 9 +++- 7 files changed, 285 insertions(+), 34 deletions(-) Index: trunk/milena/tests/value_rgb8.cc =================================================================== --- trunk/milena/tests/value_rgb8.cc (revision 1333) +++ trunk/milena/tests/value_rgb8.cc (revision 1334) @@ -32,7 +32,7 @@ #include <mln/value/rgb8.hh> - +#include <mln/literal/all.hh> int main() { @@ -40,6 +40,9 @@ using value::rgb8; using value::rgb; + using literal::blue; + using literal::white; + { rgb8 v; v.red() = 0; @@ -57,10 +60,10 @@ std::cout << v << std::endl; mln_assertion(v != w); - rgb<20> b = rgb<20>::max_blue; + rgb<20> b = blue; std::cout << b << std::endl; - rgb<20> c = rgb<20>::white; + rgb<20> c = white; std::cout << c << std::endl; } Index: trunk/milena/tests/literal_medium_gray.cc =================================================================== --- trunk/milena/tests/literal_medium_gray.cc (revision 0) +++ trunk/milena/tests/literal_medium_gray.cc (revision 1334) @@ -0,0 +1,57 @@ +// Copyright (C) 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. + +/*! \file tests/literal_medium_gray.cc + * + * \brief Tests on mln::literal::medium_gray. + */ + +#include <mln/literal/grays.hh> +#include <mln/value/graylevel.hh> + + +int main() +{ + using namespace mln; + + using literal::medium_gray; + using value::gl8; + using value::gl16; + + gl8 a; + gl16 b; + + a = medium_gray; + + std::cout << int(a.value()) << std::endl; + + b = a; + std::cout << int(b.value()) << std::endl; + + b = medium_gray; + std::cout << int(b.value()) << std::endl; +} Index: trunk/milena/mln/literal/colors.hh =================================================================== --- trunk/milena/mln/literal/colors.hh (revision 0) +++ trunk/milena/mln/literal/colors.hh (revision 1334) @@ -0,0 +1,77 @@ +// Copyright (C) 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_LITERAL_COLORS_HH +# define MLN_LITERAL_COLORS_HH + +/*! \file mln/literal/colors.hh + * \brief Definition of the colors literal. + * + */ + +# include <mln/core/concept/literal.hh> + +namespace mln +{ + + namespace literal + { + + /// Type of literal blue. + struct blue_t : public Literal<blue_t> + { + }; + + /// Type of literal red. + struct red_t : public Literal<red_t> + { + }; + + /// Type of literal green. + struct green_t : public Literal<green_t> + { + }; + + + /// Literal red. + static red_t red = red_t(); + + /// Literal green. + static green_t green = green_t(); + + /// Literal blue. + static blue_t blue = blue_t(); + + } // end of namespace mln::literal + +} // end of namespace mln + +// White and black are color too. +# include <mln/literal/white.hh> +# include <mln/literal/black.hh> + +#endif // ! MLN_LITERAL_COLORS_HH Index: trunk/milena/mln/literal/grays.hh =================================================================== --- trunk/milena/mln/literal/grays.hh (revision 0) +++ trunk/milena/mln/literal/grays.hh (revision 1334) @@ -0,0 +1,60 @@ +// Copyright (C) 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_LITERAL_GRAYS_HH +# define MLN_LITERAL_GRAYS_HH + +/*! \file mln/literal/grays.hh + * \brief Definition of the colors literal. + * + */ + +# include <mln/core/concept/literal.hh> + +namespace mln +{ + + namespace literal + { + + /// Type of literal grays. + struct medium_gray_t : public Literal<medium_gray_t> + { + }; + + /// Literal medium_gray. + static medium_gray_t medium_gray = medium_gray_t(); + + } // end of namespace mln::literal + +} // end of namespace mln + +// White and black are grays too. +# include <mln/literal/white.hh> +# include <mln/literal/black.hh> + +#endif // ! MLN_LITERAL_GRAYS_HH Index: trunk/milena/mln/literal/all.hh =================================================================== --- trunk/milena/mln/literal/all.hh (revision 1333) +++ trunk/milena/mln/literal/all.hh (revision 1334) @@ -47,12 +47,11 @@ # include <mln/literal/origin.hh> -// FIXME: Add: -// # include <mln/literal/white.hh> -// # include <mln/literal/black.hh> +# include <mln/literal/white.hh> +# include <mln/literal/black.hh> -// # include <mln/literal/grays.hh> -// # include <mln/literal/colors.hh> +# include <mln/literal/grays.hh> +# include <mln/literal/colors.hh> # include <mln/literal/ops.hh> Index: trunk/milena/mln/value/graylevel.hh =================================================================== --- trunk/milena/mln/value/graylevel.hh (revision 1333) +++ trunk/milena/mln/value/graylevel.hh (revision 1334) @@ -48,8 +48,14 @@ namespace mln { - /// Fwd decl. - namespace literal { struct black_t; struct white_t; } + /// \{ Fwd decls. + namespace literal + { + struct black_t; + struct medium_gray_t; + struct white_t; + } + /// \} namespace value { @@ -76,6 +82,7 @@ /// \{ Ctors with literals. graylevel(const literal::black_t&); + graylevel(const literal::medium_gray_t&); graylevel(const literal::white_t&); /// \} @@ -93,6 +100,7 @@ /// \{ Assigment with literals. graylevel<n>& operator=(const literal::white_t&); + graylevel<n>& operator=(const literal::medium_gray_t&); graylevel<n>& operator=(const literal::black_t&); /// \} }; @@ -168,6 +176,12 @@ } template <unsigned n> + graylevel<n>::graylevel(const literal::medium_gray_t&) + { + this->v_ = metal::math::pow_int<2, n - 1>::value; + } + + template <unsigned n> graylevel<n>::graylevel(const literal::white_t&) { this->v_ = mln_max(mln_enc(int_u<n>)); @@ -209,6 +223,14 @@ template <unsigned n> graylevel<n>& + graylevel<n>::operator=(const literal::medium_gray_t&) + { + this->v_ = metal::math::pow_int<2, n - 1>::value; + return *this; + } + + template <unsigned n> + graylevel<n>& graylevel<n>::operator=(const literal::white_t&) { this->v_ = mln_max(mln_enc(int_u<n>)); Index: trunk/milena/mln/value/rgb.hh =================================================================== --- trunk/milena/mln/value/rgb.hh (revision 1333) +++ trunk/milena/mln/value/rgb.hh (revision 1334) @@ -41,6 +41,18 @@ namespace mln { + /// \{ Fwd decls. + namespace literal + { + struct black_t; + struct white_t; + + struct red_t; + struct blue_t; + struct green_t; + } + /// \} + namespace value { @@ -80,6 +92,11 @@ rgb<n>(equiv a); rgb<n>(enc r, enc g, enc b); rgb<n>(enc l); + rgb<n>(const literal::white_t&); + rgb<n>(const literal::black_t&); + rgb<n>(const literal::blue_t&); + rgb<n>(const literal::red_t&); + rgb<n>(const literal::green_t&); /// \} /// \{ Assignments. @@ -90,14 +107,6 @@ /// Zero value. static const rgb<n> zero; - /// \{ Colors. - static const rgb<n> black; - static const rgb<n> max_red; - static const rgb<n> max_green; - static const rgb<n> max_blue; - static const rgb<n> white; - /// \} - /// addition rgb<n> operator+(const rgb<n>& v) const; // FIXME: was: @@ -190,40 +199,64 @@ } template <unsigned n> - rgb<n>& - rgb<n>::operator=(const rgb<n>& v) + rgb<n>::rgb(const literal::white_t&) { - std::memcpy(this->c_, v.c_, 3 * sizeof(enc)); - return *this; + this->c_[0] = mln_max(enc); + this->c_[1] = mln_max(enc); + this->c_[2] = mln_max(enc); } template <unsigned n> - rgb<n>& - rgb<n>::operator=(const enc& v) + rgb<n>::rgb(const literal::black_t&) { - for (int i = 0; i < 3; i++) - this->c_[i] = v; - return *this; + this->c_[0] = 0; + this->c_[1] = 0; + this->c_[2] = 0; } template <unsigned n> - const rgb<n> rgb<n>::zero(0,0,0); + rgb<n>::rgb(const literal::red_t&) + { + this->c_[0] = mln_max(enc); + this->c_[1] = 0; + this->c_[2] = 0; + } template <unsigned n> - const rgb<n> rgb<n>::black(0,0,0); + rgb<n>::rgb(const literal::green_t&) + { + this->c_[0] = 0; + this->c_[1] = mln_max(enc); + this->c_[2] = 0; + } template <unsigned n> - const rgb<n> rgb<n>::max_red(mln_max(enc), 0, 0); + rgb<n>::rgb(const literal::blue_t&) + { + this->c_[0] = 0; + this->c_[1] = 0; + this->c_[2] = mln_max(enc); + } template <unsigned n> - const rgb<n> rgb<n>::max_green(0, mln_max(enc), 0); + rgb<n>& + rgb<n>::operator=(const rgb<n>& v) + { + std::memcpy(this->c_, v.c_, 3 * sizeof(enc)); + return *this; + } template <unsigned n> - const rgb<n> rgb<n>::max_blue(0, 0, mln_max(enc)); + rgb<n>& + rgb<n>::operator=(const enc& v) + { + for (int i = 0; i < 3; i++) + this->c_[i] = v; + return *this; + } template <unsigned n> - const rgb<n> rgb<n>::white(mln_max(enc), mln_max(enc), mln_max(enc)); - + const rgb<n> rgb<n>::zero(0,0,0); template <unsigned n> rgb<n>