Re: [Olena-patches] 1866: Add red getter.

From: Vigouroux Caroline <vigouroux@lrde.epita.fr> To: olena-patches@lrde.epita.fr Subject: milena r1866: Add red getter

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena

ChangeLog: 2008-04-15 Type Your Name Here <your.mail.here@FIXME.com>

Add red getter. * cmy/fun.hh, hsi/fun.hh, yiq/fun.hh, yuv/fun.hh : New red getter. * cmy/my_cmy.hh, hsi/my_hsi.hh, yiq/my_yiq.hh, yuv/my_yuv.hh: Added inheritance from value. * cmy/rgb_to_cmy.hh, hsi/rgb_to_hsi.hh, yiq/rgb_to_yiq.hh, yuv/rgb_to_yuv.hh: Added inheritance from function_v2v. * cmy/test.cc, yiq/test.cc, yuv/test.cc : New test. * cmy/testfun.cc, yiq/testfun.cc, yuv/testfun.cc: New test. * cmy, hsi, yiq, yuv: New folder. * color/is_HSI.cc: change. * color/my_hsi.hh: change. * color/rgb_to_hsi.hh: change. * function.hh: New getter. * testfun.cc: New test.

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Index: trunk/milena/sandbox/vigouroux/yuv/test.cc =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/test.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/yuv/test.cc (revision 1866) @@ -0,0 +1,28 @@ +#include "my_yuv.hh" +#include "rgb_to_yuv.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +int main() +{ + using namespace mln; + + image2d<value::rgb8> lena; + io::ppm::load(lena, "../../../img/lena.ppm"); + + image2d< value::yuv_<double, double, double> > lena_hsi + = level::transform(lena, + fun::v2v::f_rgb_to_yuv_f()); + + image2d<value::rgb8> lena_rgb = level::transform(lena_hsi, + fun::v2v::f_yuv_to_rgb_3x8); +} + Index: trunk/milena/sandbox/vigouroux/yuv/my_yuv.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/my_yuv.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/yuv/my_yuv.hh (revision 1866) @@ -0,0 +1,146 @@ +#include <mln/value/ops.hh> + +#include <mln/value/concept/vectorial.hh> +#include <mln/value/int_u.hh> +#include <mln/algebra/vec.hh> + +#include <mln/value/float01_8.hh> + +#ifndef MLN_VALUE_YUV_HH +# define MLN_VALUE_YUV_HH + +namespace mln +{ + namespace value + { + + template <typename E> + struct YUV + : + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. + YUV<E> > + { + }; + + template <typename Y, typename U, typename V> + class yuv_ : public YUV< yuv_<Y,U,V> > + { + public: + + typedef Y y_type; + typedef U u_type; + typedef V v_type; + + /// Constructor without argument. + yuv_() + { + } + + /// Constructor from component values. + yuv_(const Y& y, const U& u, const V& v) + : y_(y), + u_(u), + v_(v) + { + } + + /// Read-only access to the y component. + const Y& y() const + { + return this->y_; + } + const U& u() const + { + return this->u_; + } + const V& v() const + { + return this->v_; + } + + /// Read-write access to the y component. + Y& y() + { + return this->y_; + } + U& u() + { + return this->u_; + } + V& v() + { + return this->v_; + } + + private: + Y y_; + U u_; + V v_; + }; + + typedef yuv_<float, float, float> yuv_3x8; + + typedef yuv_<double, double, double> yuv_d; + + } // end of namespace mln::value + +} // end of namespace mln + +// template <unsigned n> +// struct yuv +// { +// public: +// /// Constructor without argument. +// yuv<n>(); + +// /// Constructor from component values. +// yuv<n>(double y, double u, double v); + +// /// Access to component values. +// double y() const { return this->y_; } +// double u() const { return this->u_; } +// double v() const { return this->v_; } + +// /// Set component values. +// void y(double y) +// { +// this->y_ = y; +// } +// void u(double u) +// { +// this->u_ = u; +// } +// void v(double v) +// { +// mln_precondition(v >= 0); +// this->v_ = v; +// } + +// private: +// double y_; +// double u_; +// double v_; +// }; + +// template <unsigned n> +// inline +// yuv<n>::yuv() +// :y_(0), u_(0), v_(0) +// { +// } + +// template <unsigned n> +// inline +// yuv<n>::yuv(double y, double u, double v) +// { +// mln_precondition(v >= 0); +// this->y_ = y; +// this->u_ = u; +// this->v_ = v; +// } +// } +// } + +#endif // ! MLN_VALUE_YUV_HH Index: trunk/milena/sandbox/vigouroux/yuv/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/fun.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/yuv/fun.hh (revision 1866) @@ -0,0 +1,56 @@ + +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/math/round.hh> + +#include "my_yuv.hh" + + + +namespace mln +{ + + + namespace fun + { + + namespace v2v + { + template <typename T_rgb> + struct f_yuv_ : public Function_v2v< f_yuv_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_yuv> + T_rgb operator()(const T_yuv& yuv) const + { + int r; + int g; + int b; + + r = int(yuv.y() + 1.13983 * yuv.v()); + g = int(yuv.y() - 0.39465 * yuv.u() - 0.58060 * yuv.v()); + b = int(yuv.y() + 2.03211 * yuv.u()); + + struct value::rgb<8> rgb(r, g, b); + + return (rgb); + } + }; + + typedef f_yuv_<value::rgb8> f_yuv_3x8_t; + + f_yuv_3x8_t f_yuv_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln Index: trunk/milena/sandbox/vigouroux/yuv/testfun.cc =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/testfun.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/yuv/testfun.cc (revision 1866) @@ -0,0 +1,30 @@ +#include "my_yuv.hh" +#include "rgb_to_yuv.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +#include "fun.hh" + +int main() +{ +// typedef mln::value::yuv_d Col; + using namespace mln::fun::v2v; + + mln::value::yuv_d col; + mln::image2d<mln::value::rgb8> lena; + mln::io::ppm::load(lena, "../../../img/lena.ppm"); + + mln::image2d<mln::value::yuv_d> lena_yuv = mln::level::transform(lena, + mln::fun::v2v::f_rgb_to_yuv_d()); + + mln::image2d<mln::value::rgb8> lena_rgb = mln::level::transform(lena_yuv, + f_yuv_3x8); +} Index: trunk/milena/sandbox/vigouroux/yuv/rgb_to_yuv.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yuv/rgb_to_yuv.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/yuv/rgb_to_yuv.hh (revision 1866) @@ -0,0 +1,74 @@ +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/value/int_u.hh> +#include <mln/math/round.hh> + +#include "my_yuv.hh" + +namespace mln +{ + + namespace fun + { + + namespace v2v + { + template <typename T_yuv> + struct f_rgb_to_yuv_ : public Function_v2v< f_rgb_to_yuv_<T_yuv> > + { + typedef T_yuv result; + + template <typename T_rgb> + T_yuv operator()(const T_rgb& rgb) const + { + T_yuv yuv; + + yuv.y() = 0.299 * rgb.red() + 0.587 * rgb.green() + 0.114 * rgb.blue(); + yuv.u() = 0.436 * (rgb.blue() - yuv.y()) / (1 - 0.114); + yuv.v() = 0.615 * (rgb.red() - yuv.y()) / (1 - 0.299); + + return yuv; + } + }; + + typedef f_rgb_to_yuv_< mln::value::yuv_<double, double, double> > f_rgb_to_yuv_d; + + template <typename T_rgb> + struct f_yuv_to_rgb_ : public Function_v2v< f_yuv_to_rgb_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_yuv> + T_rgb operator()(const T_yuv& yuv) const + { + int r; + int g; + int b; + + r = int(yuv.y() + 1.13983 * yuv.v()); + g = int(yuv.y() - 0.39465 * yuv.u() - 0.58060 * yuv.v()); + b = int(yuv.y() + 2.03211 * yuv.u()); + + struct value::rgb<8> rgb(r, g, b); + + return (rgb); + } + }; + + typedef f_yuv_to_rgb_<value::rgb8> f_yuv_to_rgb_3x8_t; + + f_yuv_to_rgb_3x8_t f_yuv_to_rgb_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln + Index: trunk/milena/sandbox/vigouroux/hsi/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/hsi/fun.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/hsi/fun.hh (revision 1866) @@ -0,0 +1,64 @@ +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/math/round.hh> + +#include "../color/my_hsi.hh" + + + +namespace mln +{ + + + namespace fun + { + + namespace v2v + { + template <typename T_rgb> + struct f_hsi_ : public Function_v2v< f_hsi_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_hsi> + T_rgb operator()(const T_hsi& hsi) const + { + typedef typename T_rgb::red_t red_t; + + static math::round<red_t> to_r; + + static const float + sqrt3_3 = std::sqrt(3) / 3, + inv_sqrt6 = 1 / std::sqrt(6), + inv_sqrt2 = 1 / std::sqrt(2); + + float + h = hsi.hue() / 180.0 * 3.1415, + alpha = hsi.sat() * std::cos(h), + beta = hsi.sat() * std::sin(h); + + + red_t r = to_r(sqrt3_3 * hsi.inty() + 2 * inv_sqrt6 * beta); + + T_rgb rgb(r, 0, 0); + + return rgb; + } + }; + + typedef f_hsi_<value::rgb8> f_hsi_3x8_t; + + f_hsi_3x8_t f_hsi_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln Index: trunk/milena/sandbox/vigouroux/hsi/my_hsi.hh =================================================================== --- trunk/milena/sandbox/vigouroux/hsi/my_hsi.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/hsi/my_hsi.hh (revision 1866) @@ -0,0 +1,93 @@ +#include <mln/value/ops.hh> + +#include <mln/value/concept/vectorial.hh> +#include <mln/value/int_u.hh> +#include <mln/algebra/vec.hh> + +#include <mln/value/float01_8.hh> + +#ifndef MLN_VALUE_HSI_HH +# define MLN_VALUE_HSI_HH + + +namespace mln +{ + + namespace value + { + + template <typename E> + struct HSI + : + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. + HSI<E> > + { + }; + + template <typename H, typename S, typename I> + class hsi_ : public HSI< hsi_<H,S,I> > + { + public: + + typedef H h_type; + typedef S s_type; + typedef I i_type; + + /// Constructor without argument. + hsi_() + { + } + + /// Constructor from component values. + hsi_(const H& hue, const S& sat, const I& inty) + : hue_(hue), + sat_(sat), + int_(inty) + { + } + + /// Read-only access to the hue component. + const H& hue() const + { + return this->hue_; + } + const S& sat() const + { + return this->sat_; + } + const I& inty() const + { + return this->int_; + } + + /// Read-write access to the hue component. + H& hue() + { + return this->hue_; + } + S& sat() + { + return this->sat_; + } + I& inty() + { + return this->int_; + } + + private: + H hue_; + S sat_; + I int_; + }; + + typedef hsi_<float, float, float> hsi_f; + + typedef hsi_<double, double, double> hsi_d; + + } // end of namespace mln::value + +} // end of namespace mln + +#endif // ! MLN_VALUE_HSI_HH Index: trunk/milena/sandbox/vigouroux/hsi/rgb_to_hsi.hh =================================================================== --- trunk/milena/sandbox/vigouroux/hsi/rgb_to_hsi.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/hsi/rgb_to_hsi.hh (revision 1866) @@ -0,0 +1,108 @@ + +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/math/round.hh> + +#include "my_hsi.hh" + + + +namespace mln +{ + + + namespace fun + { + + namespace v2v + { + template <typename T_hsi> + struct f_rgb_to_hsi_ : public Function_v2v< f_rgb_to_hsi_<T_hsi> > + { + typedef T_hsi result; + + template <typename T_rgb> + T_hsi operator()(const T_rgb& rgb) const + { + // Locals. + static const double sqrt3_3 = std::sqrt(3) / 3; + static const double inv_sqrt6 = 1 / std::sqrt(6); + static const double inv_sqrt2 = 1 / std::sqrt(2); + + T_hsi hsi; + + double alpha = inv_sqrt2 * rgb.green() - inv_sqrt2 * rgb.blue(); + double beta = 2 * inv_sqrt6 * rgb.red() - inv_sqrt6 * rgb.green() - inv_sqrt6 * rgb.blue(); + + + float tmp = atan2(beta, alpha) / 3.1415 * 180.0; + + hsi.hue() = atan2(beta, alpha) / 3.1415 * 180.0; + if (hsi.hue() < 0) + hsi.hue() = hsi.hue() + 360.0; + mln_invariant(hsi.hue() >= 0); + hsi.sat() = std::sqrt(alpha * alpha + beta * beta); + hsi.inty() = sqrt3_3 * rgb.red() + sqrt3_3 * rgb.green() + sqrt3_3 * rgb.blue(); + + return hsi; + } + }; + + typedef f_rgb_to_hsi_<value::hsi_f> f_rgb_to_hsi_f_t; + + f_rgb_to_hsi_f_t f_rgb_to_hsi_f; + + + template <typename T_rgb> + struct f_hsi_to_rgb_ : public Function_v2v< f_hsi_to_rgb_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_hsi> + T_rgb operator()(const T_hsi& hsi) const + { + typedef typename T_rgb::red_t red_t; + typedef typename T_rgb::green_t green_t; + typedef typename T_rgb::blue_t blue_t; + + static math::round<red_t> to_r; + static math::round<green_t> to_g; + static math::round<blue_t> to_b; + + static const float + sqrt3_3 = std::sqrt(3) / 3, + inv_sqrt6 = 1 / std::sqrt(6), + inv_sqrt2 = 1 / std::sqrt(2); + + float + h = hsi.hue() / 180.0 * 3.1415, + alpha = hsi.sat() * std::cos(h), + beta = hsi.sat() * std::sin(h); + + + red_t r = sqrt3_3 * hsi.inty() + 2 * inv_sqrt6 * beta; + green_t g = sqrt3_3 * hsi.inty() + inv_sqrt2 * alpha - inv_sqrt6 * beta; + blue_t b = sqrt3_3 * hsi.inty() - inv_sqrt2 * alpha - inv_sqrt6 * beta; + + T_rgb rgb(r, g, b); + + return rgb; + } + }; + + typedef f_hsi_to_rgb_<value::rgb8> f_hsi_to_rgb_3x8_t; + + f_hsi_to_rgb_3x8_t f_hsi_to_rgb_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln Index: trunk/milena/sandbox/vigouroux/function.hh =================================================================== --- trunk/milena/sandbox/vigouroux/function.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/function.hh (revision 1866) @@ -0,0 +1,119 @@ + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/math/round.hh> +#include <mln/metal/is_a.hh> + +#include "color/my_hsi.hh" +#include <mln/value/rgb.hh> + +#include "hsi/fun.hh" +#include "cmy/fun.hh" +#include "yuv/fun.hh" +#include "yiq/fun.hh" + +namespace mln +{ + + + namespace fun + { + + namespace v2v + { + + template <typename T_red> + struct f_get_red_ : public Function_v2v< f_get_red_<T_red> > + { + typedef T_red result; + + template <typename T_col> + T_red operator()(const T_col& col) const + { + T_red r; + + if (mlc_is_a(T_col, mln::value::HSI)::value == 1) + { + r = mln::fun::v2v::f_hsi_3x8(col); + std::cout << "hsi" << std::endl; + } +// else if (mlc_is_a(T_col, mln::value::CMY)::value == 1) +// { +// r = mln::fun::v2v::f_cmy_3x8(col); +// std::cout << "cmy" << std::endl; +// } +// else if (mlc_is_a(T_col, mln::value::YUV)::value == 1) +// { +// r = mln::fun::v2v::f_yuv_3x8(col); +// std::cout << "yuv" << std::endl; +// } +// else if (mlc_is_a(T_col, mln::value::YIQ)::value == 1) +// { +// r = mln::fun::v2v::f_yiq_3x8(col); +// std::cout << "yiq" << std::endl; +// } + else + { +// r = mln::fun::v2v::f_cmy_3x8(col); + std::cout << "else" << std::endl; + } + return r; + } + }; + +// typedef f_rgb_to_hsi_<value::hsi_f> f_r// gb_to_hsi_f_t; + +// f_rgb_to_hsi_f_t f_rgb_to_hsi_f; + + +// template <typename T_rgb> +// struct f_hsi_to_rgb_ : public Function_v2v< f_hsi_to_rgb_<T_rgb> > +// { +// typedef T_rgb result; + +// template <typename T_hsi> +// T_rgb operator()(const T_hsi& hsi) const +// { +// typedef typename T_rgb::red_t red_t; +// typedef typename T_rgb::green_t green_t; +// typedef typename T_rgb::blue_t blue_t; + +// static math::round<red_t> to_r; +// static math::round<green_t> to_g; +// static math::round<blue_t> to_b; + +// static const float +// sqrt3_3 = std::sqrt(3) / 3, +// inv_sqrt6 = 1 / std::sqrt(6), +// inv_sqrt2 = 1 / std::sqrt(2); + +// float +// h = hsi.hue() / 180.0 * 3.1415, +// alpha = hsi.sat() * std::cos(h), +// beta = hsi.sat() * std::sin(h); + + +// red_t r = sqrt3_3 * hsi.inty() + 2 * inv_sqrt6 * beta; +// green_t g = sqrt3_3 * hsi.inty() + inv_sqrt2 * alpha - inv_sqrt6 * beta; +// blue_t b = sqrt3_3 * hsi.inty() - inv_sqrt2 * alpha - inv_sqrt6 * beta; + +// T_rgb rgb(r, g, b); + +// return rgb; +// } +// }; + +// typedef f_hsi_to_rgb_<value::rgb8> f_hsi_to_rgb_3x8_t; + +// f_hsi_to_rgb_3x8_t f_hsi_to_rgb_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln Index: trunk/milena/sandbox/vigouroux/cmy/rgb_to_cmy.hh =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/rgb_to_cmy.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/cmy/rgb_to_cmy.hh (revision 1866) @@ -0,0 +1,72 @@ +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/value/int_u.hh> +#include <mln/math/round.hh> + +#include "my_cmy.hh" + +namespace mln +{ + + namespace fun + { + + namespace v2v + { + template <typename T_cmy> + struct f_rgb_to_cmy_ : public Function_v2v< f_rgb_to_cmy_<T_cmy> > + { + typedef T_cmy result; + + template <typename T_rgb> + T_cmy operator()(const T_rgb& rgb) const + { + T_cmy cmy; + + cmy.cyan() = 1 - rgb.red(); + cmy.magenta() = 1 - rgb.green(); + cmy.yellow() = 1 - rgb.blue(); + + return cmy; + } + }; + + typedef f_rgb_to_cmy_< mln::value::cmy_<double, double, double> > f_rgb_to_cmy_d; + + template <typename T_rgb> + struct f_cmy_to_rgb_ : public Function_v2v< f_cmy_to_rgb_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_cmy> + T_rgb operator()(const T_cmy& cmy) const + { + int red; + int green; + int blue; + + red = int(1 - cmy.cyan()); + green = int(1 - cmy.magenta()); + blue = int(1 - cmy.yellow()); + T_rgb rgb(red, green, blue); + + return rgb; + } + }; + + typedef f_cmy_to_rgb_<value::rgb8> f_cmy_to_rgb_3x8_t; + + f_cmy_to_rgb_3x8_t f_cmy_to_rgb_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln Index: trunk/milena/sandbox/vigouroux/cmy/test.cc =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/test.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/cmy/test.cc (revision 1866) @@ -0,0 +1,28 @@ +#include "my_yiq.hh" +#include "rgb_to_yiq.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +int main() +{ + using namespace mln; + + image2d<value::rgb8> lena; + io::ppm::load(lena, "../../../img/lena.ppm"); + + image2d< value::yiq_<double, double, double> > lena_hsi + = level::transform(lena, + fun::v2v::f_rgb_to_yiq_d()); + + image2d<value::rgb8> lena_rgb = level::transform(lena_hsi, + fun::v2v::f_yiq_to_rgb_3x8); +} + Index: trunk/milena/sandbox/vigouroux/cmy/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/fun.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/cmy/fun.hh (revision 1866) @@ -0,0 +1,52 @@ + +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/math/round.hh> + +#include "my_cmy.hh" + + + +namespace mln +{ + + + namespace fun + { + + namespace v2v + { + template <typename T_rgb> + struct f_cmy_ : public Function_v2v< f_cmy_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_cmy> + T_rgb operator()(const T_cmy& cmy) const + { + int red; + + red = int(1 - cmy.cyan()); + + T_rgb rgb(red, 0, 0); + + return rgb; + } + }; + + typedef f_cmy_<value::rgb8> f_cmy_3x8_t; + + f_cmy_3x8_t f_cmy_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln Index: trunk/milena/sandbox/vigouroux/cmy/my_cmy.hh =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/my_cmy.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/cmy/my_cmy.hh (revision 1866) @@ -0,0 +1,147 @@ +#include <mln/value/ops.hh> + +#include <mln/value/concept/vectorial.hh> +#include <mln/value/int_u.hh> +#include <mln/algebra/vec.hh> + +#include <mln/value/float01_8.hh> + +#ifndef MLN_VALUE_CMY_HH +# define MLN_VALUE_CMY_HH + +namespace mln +{ + namespace value + { + + template <typename E> + struct CMY + : + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. + CMY<E> > + { + }; + + template <typename C, typename M, typename Y> + class cmy_ : public CMY< cmy_<C,M,Y> > + { + public: + + typedef C c_type; + typedef M m_type; + typedef Y y_type; + + /// Constructor without argument. + cmy_() + { + } + + /// Constructor from component values. + cmy_(const C& cyan, const M& magenta, const Y& yellow) + : cyan_(cyan), + magenta_(magenta), + yellow_(yellow) + { + } + + /// Read-only access to the cyan component. + const C& cyan() const + { + return this->cyan_; + } + const M& magenta() const + { + return this->magenta_; + } + const Y& yellow() const + { + return this->yellow_; + } + + /// Read-write access to the y component. + C& cyan() + { + return this->cyan_; + } + M& magenta() + { + return this->magenta_; + } + Y& yellow() + { + return this->yellow_; + } + + private: + C cyan_; + M magenta_; + Y yellow_; + }; + + typedef cmy_<float, float, float> cmy_3x8; + + typedef cmy_<double, double, double> cmy_d; + } // end of namespace mln::value + +} // end of namespace mln + +// template <unsigned n> +// struct cmy +// { +// public: +// /// Constructor without argument. +// cmy(); + +// /// Constructor from component values. +// cmy(double c, double m, double y); + +// /// Access to component values. +// double c() const { return this->c_; } +// double m() const { return this->m_; } +// double y() const { return this->y_; } + +// /// Set component values. +// void c(double c) +// { +// mln_precondition(c >= 0); +// this->c_ = c; +// } +// void m(double m) +// { +// mln_precondition(m >= 0); +// this->m_ = m; +// } +// void y(double y) +// { +// mln_precondition(y >= 0); +// this->y_ = y; +// } + +// private: +// double c_; +// double m_; +// double y_; +// }; + +// template <unsigned n> +// inline +// cmy<n>::cmy() +// :c_(0), m_(0), y_(0) +// { +// } + +// template <unsigned n> +// inline +// cmy<n>::cmy(double c, double m, double y) +// { +// mln_precondition(c >= 0); +// mln_precondition(m >= 0); +// mln_precondition(y >= 0); +// this->c_ = c; +// this->m_ = m; +// this->y_ = y; +// } + +#endif // ! MLN_VALUE_CMY_HH Index: trunk/milena/sandbox/vigouroux/cmy/testfun.cc =================================================================== --- trunk/milena/sandbox/vigouroux/cmy/testfun.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/cmy/testfun.cc (revision 1866) @@ -0,0 +1,30 @@ +#include "my_cmy.hh" +#include "rgb_to_cmy.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +#include "fun.hh" + +int main() +{ +// typedef mln::value::cmy_d Col; + using namespace mln::fun::v2v; + + mln::value::cmy_d col; + mln::image2d<mln::value::rgb8> lena; + mln::io::ppm::load(lena, "../../../img/lena.ppm"); + + mln::image2d<mln::value::cmy_d> lena_cmy = mln::level::transform(lena, + mln::fun::v2v::f_rgb_to_cmy_d()); + + mln::image2d<mln::value::rgb8> lena_rgb = mln::level::transform(lena_cmy, + f_cmy_3x8); +} Index: trunk/milena/sandbox/vigouroux/yiq/test.cc =================================================================== --- trunk/milena/sandbox/vigouroux/yiq/test.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/yiq/test.cc (revision 1866) @@ -0,0 +1,28 @@ +#include "my_yiq.hh" +#include "rgb_to_yiq.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +int main() +{ + using namespace mln; + + image2d<value::rgb8> lena; + io::ppm::load(lena, "../../../img/lena.ppm"); + + image2d< value::yiq_<double, double, double> > lena_hsi + = level::transform(lena, + fun::v2v::f_rgb_to_yiq_d()); + + image2d<value::rgb8> lena_rgb = level::transform(lena_hsi, + fun::v2v::f_yiq_to_rgb_3x8); +} + Index: trunk/milena/sandbox/vigouroux/yiq/my_yiq.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yiq/my_yiq.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/yiq/my_yiq.hh (revision 1866) @@ -0,0 +1,146 @@ +#include <mln/value/ops.hh> + +#include <mln/value/concept/vectorial.hh> +#include <mln/value/int_u.hh> +#include <mln/algebra/vec.hh> + +#include <mln/value/float01_8.hh> + +#ifndef MLN_VALUE_YIQ_HH +# define MLN_VALUE_YIQ_HH + +namespace mln +{ + namespace value + { + + template <typename E> + struct YIQ + : + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. + YIQ<E> > + { + }; + + template <typename Y, typename I, typename Q> + class yiq_ : public YIQ< yiq_<Y,I,Q> > + { + public: + + typedef Y y_type; + typedef I i_type; + typedef Q q_type; + + /// Constructor without argument. + yiq_() + { + } + + /// Constructor from component values. + yiq_(const Y& y, const I& i, const Q& q) + : y_(y), + i_(i), + q_(q) + { + } + + /// Read-only access to the y component. + const Y& y() const + { + return this->y_; + } + const I& i() const + { + return this->i_; + } + const Q& q() const + { + return this->q_; + } + + /// Read-write access to the y component. + Y& y() + { + return this->y_; + } + I& i() + { + return this->i_; + } + Q& q() + { + return this->q_; + } + + private: + Y y_; + I i_; + Q q_; + }; + + typedef yiq_<float, float, float> yiq_f; + + typedef yiq_<double, double, double> yiq_d; + + } // end of namespace mln::value + +} // end of namespace mln + +// template <unsigned n> +// struct yiq +// { +// public: +// /// Constructor without argument. +// yiq<n>(); + +// /// Constructor from component values. +// yiq<n>(double y, double i, double q); + +// /// Access to component values. +// double y() const { return this->y_; } +// double i() const { return this->i_; } +// double q() const { return this->q_; } + +// /// Set component values. +// void y(double y) +// { +// this->y_ = y; +// } +// void i(double i) +// { +// this->i_ = i; +// } +// void q(double q) +// { +// mln_precondition(q >= 0); +// this->q_ = q; +// } + +// private: +// double y_; +// double i_; +// double q_; +// }; + +// template <unsigned n> +// inline +// yiq<n>::yiq() +// :y_(0), i_(0), q_(0) +// { +// } + +// template <unsigned n> +// inline +// yiq<n>::yiq(double y, double i, double q) +// { +// mln_precondition(q >= 0); +// this->y_ = y; +// this->i_ = i; +// this->q_ = q; +// } +// } +// } + +#endif // ! MLN_VALUE_YIQ_HH Index: trunk/milena/sandbox/vigouroux/yiq/fun.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yiq/fun.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/yiq/fun.hh (revision 1866) @@ -0,0 +1,52 @@ + +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/math/round.hh> + +#include "my_yiq.hh" + + + +namespace mln +{ + + + namespace fun + { + + namespace v2v + { + template <typename T_rgb> + struct f_yiq_ : public Function_v2v< f_yiq_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_yiq> + T_rgb operator()(const T_yiq& yiq) const + { + int r; + + r = int(0.87 * yiq.y() + 1.3223 * yiq.i() + 0.5628 * yiq.q()); + + T_rgb rgb(r, 0, 0); + + return rgb; + } + }; + + typedef f_yiq_<value::rgb8> f_yiq_3x8_t; + + f_yiq_3x8_t f_yiq_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln Index: trunk/milena/sandbox/vigouroux/yiq/rgb_to_yiq.hh =================================================================== --- trunk/milena/sandbox/vigouroux/yiq/rgb_to_yiq.hh (revision 0) +++ trunk/milena/sandbox/vigouroux/yiq/rgb_to_yiq.hh (revision 1866) @@ -0,0 +1,76 @@ +#include <cmath> + +#include <mln/core/image_if_value.hh> +#include <mln/core/inplace.hh> +#include <mln/core/w_window2d_int.hh> +#include <mln/display/show.hh> +#include <mln/io/ppm/save.hh> +#include <mln/display/save_and_show.hh> +#include <mln/level/fill.hh> +#include <mln/value/int_u.hh> +#include <mln/math/round.hh> + +#include "my_yiq.hh" + +namespace mln +{ + + namespace fun + { + + namespace v2v + { + template <typename T_yiq> + struct f_rgb_to_yiq_ : public Function_v2v< f_rgb_to_yiq_<T_yiq> > + { + typedef T_yiq result; + + template <typename T_rgb> + T_yiq operator()(const T_rgb& rgb) const + { + T_yiq yiq; + + yiq.y() = 0.1768 * rgb.red() + 0.8130 * rgb.green() + 0.0101 * rgb.blue(); + yiq.i() = 0.5346 * rgb.red() - 0.2461 * rgb.green() - 0.1791 * rgb.blue(); + yiq.q() = 0.2474 * rgb.red() - 0.6783 * rgb.green() + 0.4053 * rgb.blue(); + + return yiq; + } + }; + + typedef f_rgb_to_yiq_< mln::value::yiq_<double, double, double> > f_rgb_to_yiq_d; + + template <typename T_rgb> + struct f_yiq_to_rgb_ : public Function_v2v< f_yiq_to_rgb_<T_rgb> > + { + typedef T_rgb result; + + template <typename T_yiq> + T_rgb operator()(const T_yiq& yiq) const + { + int r; + int g; + int b; + + r = int(0.87 * yiq.y() + 1.3223 * yiq.i() + 0.5628 * yiq.q()); + g = int(1.026 * yiq.y() - 0.2718 * yiq.i() - 0.1458 * yiq.q()); + b = int(1.186 * yiq.y() - 1.2620 * yiq.i() + 1.8795 * yiq.q()); + + struct value::rgb<8> rgb(r, g, b); + + return rgb; + } + }; + + typedef f_yiq_to_rgb_<value::rgb8> f_yiq_to_rgb_3x8_t; + + f_yiq_to_rgb_3x8_t f_yiq_to_rgb_3x8; + + } // end of namespace fun::v2v + + } // end of namespace fun + +} // end of namespace mln + + + Index: trunk/milena/sandbox/vigouroux/yiq/testfun.cc =================================================================== --- trunk/milena/sandbox/vigouroux/yiq/testfun.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/yiq/testfun.cc (revision 1866) @@ -0,0 +1,30 @@ +#include "my_yiq.hh" +#include "rgb_to_yiq.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +#include "fun.hh" + +int main() +{ +// typedef mln::value::yiq_d Col; + using namespace mln::fun::v2v; + + mln::value::yiq_d col; + mln::image2d<mln::value::rgb8> lena; + mln::io::ppm::load(lena, "../../../img/lena.ppm"); + + mln::image2d<mln::value::yiq_d> lena_yiq = mln::level::transform(lena, + mln::fun::v2v::f_rgb_to_yiq_d()); + + mln::image2d<mln::value::rgb8> lena_rgb = mln::level::transform(lena_yiq, + f_yiq_3x8); +} Index: trunk/milena/sandbox/vigouroux/testfun.cc =================================================================== --- trunk/milena/sandbox/vigouroux/testfun.cc (revision 0) +++ trunk/milena/sandbox/vigouroux/testfun.cc (revision 1866) @@ -0,0 +1,30 @@ +#include <mln/value/hsi.hh> +#include "color/rgb_to_hsi.hh" + +#include <cmath> + +#include <mln/core/image2d.hh> +#include <mln/value/rgb.hh> + +#include <mln/io/ppm/load.hh> +#include <mln/io/ppm/save.hh> +#include <mln/math/round.hh> +#include <mln/level/transform.hh> + +#include "function.hh" + +int main() +{ +// typedef mln::value::hsi_d Col; + using namespace mln::fun::v2v; + + mln::value::hsi_d col; + mln::image2d<mln::value::rgb8> lena; + mln::io::ppm::load(lena, "../../img/lena.ppm"); + + mln::image2d<mln::value::hsi_f> lena_hsi = mln::level::transform(lena, + mln::fun::v2v::f_rgb_to_hsi_f); + + mln::image2d<mln::value::rgb8> lena_rgb = mln::level::transform(lena_hsi, + f_get_red_<mln::value::rgb8>()); +} Index: trunk/milena/sandbox/vigouroux/color/my_hsi.hh =================================================================== --- trunk/milena/sandbox/vigouroux/color/my_hsi.hh (revision 1865) +++ trunk/milena/sandbox/vigouroux/color/my_hsi.hh (revision 1866) @@ -19,9 +19,9 @@ template <typename E> struct HSI : - public internal::value_like_< algebra::vec< 3, float01_<n> >, // Equivalent. - algebra::vec< 3, float01_<n> >, // Encoding. - algebra::vec< 3, float01_<n> >, // Interoperation. + public internal::value_like_< algebra::vec< 3, float01_8 >, // Equivalent. + algebra::vec< 3, float01_8 >, // Encoding. + algebra::vec< 3, float01_8 >, // Interoperation. HSI<E> > { }; Index: trunk/milena/sandbox/vigouroux/color/is_HSI.cc =================================================================== --- trunk/milena/sandbox/vigouroux/color/is_HSI.cc (revision 1865) +++ trunk/milena/sandbox/vigouroux/color/is_HSI.cc (revision 1866) @@ -8,26 +8,26 @@

int main() { - using namespace mln; - using namespace mln::value; +// using namespace mln; +// using namespace mln::value;

- typedef hsi_d C; - std::cout << mlc_is_a(C, HSI)::value << std::endl; - std::cout << mlc_is_a(rgb8, HSI)::value << std::endl; + typedef mln::value::hsi_d C; + std::cout << mlc_is_a(C, mln::value::HSI)::value << std::endl; + std::cout << mlc_is_a(mln::value::rgb8, mln::value::HSI)::value << std::endl;

- rgb8 c(255, 10, 1); - rgb8 other(10, 20, 30); + mln::value::rgb8 c(255, 10, 1); + mln::value::rgb8 other(10, 20, 30);

// Essai en 0 255

- hsi_3x8 c_hsi = fun::v2v::f_rgb_to_hsi_3x8(c); - rgb8 c2 = fun::v2v::f_hsi_to_rgb_3x8(c_hsi); - std::cout << "c = " << c << std::endl; - std::cout << "c2 = " << c2 << std::endl; +// hsi_3x8 c_hsi = fun::v2v::f_rgb_to_hsi_3x8(c); +// rgb8 c2 = fun::v2v::f_hsi_to_rgb_3x8(c_hsi); +// std::cout << "c = " << c << std::endl; +// std::cout << "c2 = " << c2 << std::endl;

- hsi_3x8 c_cool = fun::v2v::f_rgb_to_hsi_3x8(other); - rgb8 coucou = fun::v2v::f_hsi_to_rgb_3x8(c_cool); +// hsi_3x8 c_cool = fun::v2v::f_rgb_to_hsi_3x8(other); +// rgb8 coucou = fun::v2v::f_hsi_to_rgb_3x8(c_cool);

- std::cout << "c = " << other << std::endl; - std::cout << "c2 = " << coucou << std::endl; +// std::cout << "c = " << other << std::endl; +// std::cout << "c2 = " << coucou << std::endl; } Index: trunk/milena/sandbox/vigouroux/color/rgb_to_hsi.hh =================================================================== --- trunk/milena/sandbox/vigouroux/color/rgb_to_hsi.hh (revision 1865) +++ trunk/milena/sandbox/vigouroux/color/rgb_to_hsi.hh (revision 1866) @@ -23,7 +23,6 @@

namespace v2v { - template <typename T_hsi> struct f_rgb_to_hsi_ : public Function_v2v< f_rgb_to_hsi_<T_hsi> > {