------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Cheddar is a GNU GPL real-time scheduling analysis tool.
-- This program provides services to automatically check schedulability and
-- other performance criteria of real-time architecture models.
--
-- Copyright (C) 2002-2023, Frank Singhoff, Alain Plantec, Jerome Legrand,
--                          Hai Nam Tran, Stephane Rubini
--
-- The Cheddar project was started in 2002 by
-- Frank Singhoff, Lab-STICC UMR 6285, Université de Bretagne Occidentale
--
-- Cheddar has been published in the "Agence de Protection des Programmes/France" in 2008.
-- Since 2008, Ellidiss technologies also contributes to the development of
-- Cheddar and provides industrial support.
--
-- The full list of contributors and sponsors can be found in README.md
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program 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 program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--
--
-- Contact : cheddar@listes.univ-brest.fr
--
------------------------------------------------------------------------------
-- Last update :
--    $Rev: 3979 $
--    $Date: 2021-07-05 21:13:32 +0200 (lun., 05 juil. 2021) $
--    $Author: singhoff $
------------------------------------------------------------------------------
------------------------------------------------------------------------------
with Text_IO; use Text_IO;

package body graphical_editor.colors is

   procedure set_color (Cr : Cairo_Context; c : color_type) is
   begin
      case c is
         when black =>
            Set_Source_rgb (Cr, 0.0, 0.0, 0.0);
         when yellow =>
            Set_Source_rgb (Cr, 1.0, 1.0, 0.0);
         when red =>
            Set_Source_rgb (Cr, 1.0, 0.0, 0.0);
         when lightred =>
            Set_Source_rgb (Cr, 1.0, 0.8, 0.796_1);
         when green =>
            Set_Source_rgb (Cr, 0.0, 1.0, 0.0);
         when blue =>
            Set_Source_rgb (Cr, 0.0, 0.0, 1.0);
         when lightblue =>
            Set_Source_rgb (Cr, 0.678, 0.847, 0.902);
         when gray =>
            Set_Source_rgb (Cr, 0.5, 0.5, 0.5);
         when purple =>
            Set_Source_rgb (Cr, 1.0, 0.0, 1.0);
         when orange =>
            Set_Source_rgb (Cr, 0.6, 0.3, 0.0);
         when pink =>
            Set_Source_rgb (Cr, 1.0, 0.6, 0.6);
         when brown =>
            Set_Source_rgb (Cr, 1.0, 0.25, 0.25);
      end case;
   end set_color;

   function to_color (value : in unbounded_string) return color_type is
      res        : Natural    := 0;
      last_color : color_type := color_type'Last;
   begin

      for i in 1 .. length (value) loop
         res := res + character'Pos (element (value, i));
      end loop;

      res := res mod (color_type'Pos (last_color) + 1);
      return color_type'Val (res);
   end to_color;

end graphical_editor.colors;