source: trunk/lib/Colours.cc @ 919

// $Id: Colours.cc 919 2009-11-30 23:03:31Z jari $

/*
  Copyright (C) 2009 Jari Häkkinen

  This file is part of svndigest, http://dev.thep.lu.se/svndigest

  svndigest 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 3 of the License, or
  (at your option) any later version.

  svndigest 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 svndigest. If not, see <http://www.gnu.org/licenses/>.
*/

#include "Colours.h"

#include <cstdlib>

namespace theplu {
namespace svndigest {

  Colours* Colours::instance_=NULL;


  Colours::Colours(void)
    : colour_map_(13), next_colour_(colour_map_.begin())

  {
    colour_map_[ 0].label="green";
    colour_map_[ 0].r=  0; colour_map_[ 0].g=146; colour_map_[ 0].b= 72;
    colour_map_[ 1].label="blue";
    colour_map_[ 1].r= 27; colour_map_[ 1].g=117; colour_map_[ 1].b=186;
    colour_map_[ 2].label="red";
    colour_map_[ 2].r=189; colour_map_[ 2].g= 32; colour_map_[ 2].b= 46;
    colour_map_[ 3].label="grey";
    colour_map_[ 3].r=131; colour_map_[ 3].g=131; colour_map_[ 3].b=131;
    colour_map_[ 4].label="orange";
    colour_map_[ 4].r=245; colour_map_[ 4].g=145; colour_map_[ 4].b= 32;
    colour_map_[ 5].label="brown";
    colour_map_[ 5].r=117; colour_map_[ 5].g= 77; colour_map_[ 5].b= 41;
    colour_map_[ 6].label="cyan";
    colour_map_[ 6].r= 40; colour_map_[ 6].g=170; colour_map_[ 6].b=225;
    colour_map_[ 7].label="lime";
    colour_map_[ 7].r=213; colour_map_[ 7].g=221; colour_map_[ 7].b= 38;
    colour_map_[ 8].label="purple";
    colour_map_[ 8].r=143; colour_map_[ 8].g= 40; colour_map_[ 8].b=140;
    colour_map_[ 9].label="lgrey";
    colour_map_[ 9].r=220; colour_map_[ 9].g=220; colour_map_[ 9].b=220;
    colour_map_[10].label="lbrown";
    colour_map_[10].r=194; colour_map_[10].g=151; colour_map_[10].b=106;
    colour_map_[11].label="pink";
    colour_map_[11].r=230; colour_map_[11].g=125; colour_map_[11].b=230;
    colour_map_[12].label="black";
    colour_map_[12].r=  0; colour_map_[12].g=  0; colour_map_[12].b=  0;
  }


  void Colours::get_colour(const std::string& label, unsigned char& r,
                           unsigned char& g, unsigned char& b)
  {
    std::map<std::string,std::vector<colour>::iterator>::const_iterator i;
    if ((i=author_map_.find(label)) == author_map_.end()) {
      // no colour defined for label, set colour for label
      author_map_[label]=next_colour_++;
      if (next_colour_==colour_map_.end())
        // end of colour map reach, start over
        next_colour_=colour_map_.begin();
    }
    r=author_map_[label]->r;
    g=author_map_[label]->g;
    b=author_map_[label]->b;
  }


  Colours& Colours::instance(void)
  {
    if (!instance_)
      instance_ = new Colours;
    return *instance_;
  }

}} // end of namespace svndigest and namespace theplu