/*
* Jalview - A Sequence Alignment Editor and Viewer
* Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/

package jalview.schemes;
import java.awt.*;
import jalview.analysis.*;
import java.util.Vector;

public class ConservationColourScheme extends ResidueColourScheme {
  public Conservation conserve;
  public ColourSchemeI cs;
  public int inc = 30;

  public ConservationColourScheme(Conservation cons, ColourSchemeI oldcs)
  {
    super();
    conserve = cons;
    cs = oldcs;
  }

  public void setConsensus(Vector consensus)
  {
    this.consensus = consensus;
    if(cs!=null)
      cs.setConsensus(consensus);
  }

   public Color findColour(String s, int i)
   {
     Color c = Color.white;
     if (cs == null)
       return c;

     char ch = conserve.getConsSequence().getSequence().charAt(i);
     if (ch == '*' || ch == '+')
     {
       c = cs.findColour(s, i);
     }
     else
     {
       int tmp = 10;
       int t = 0;
       if (!jalview.util.Comparison.isGap(ch))
         t = Integer.parseInt(ch + "");

       c = cs.findColour(s, i);

       while (tmp >= t)
       {
         c = lighter(c, inc);
         tmp--;
       }

     }

   return c;
   }


  public Color lighter(Color c, int inc) {
    int red = c.getRed();
    int blue = c.getBlue();
    int green = c.getGreen();

    if (red < 255-inc) { red = red +inc;} else {red = 255;}
    if (blue < 255-inc) { blue = blue +inc;} else {blue = 255;}
    if (green < 255-inc) { green = green +inc;} else {green = 255;}

    return new Color(red,green,blue);
  }

}