/*
   
       dsh-iconbundle-tools  Command line icon bundle tools.
       Copyright (c) 2003-2013 held jointly by the individual authors.
   
       This library is free software; you can redistribute it and/or modify it
       under the terms of the GNU Lesser General Public License as published
       by the Free Software Foundation; either version 3 of the License, or (at
       your option) any later version.
  
      This library is distributed in the hope that it will be useful, but WITHOUT
      ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
      FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
      License for more details.
  
      You should have received a copy of the GNU Lesser General Public License
      along with this library;  if not, write to the Free Software Foundation,
      Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA.
  
      > http://www.fsf.org/licensing/licenses/lgpl.html
      > http://www.opensource.org/licenses/lgpl-license.php
  
  */
  package org.dishevelled.iconbundle.tools;
  
  import java.io.File;
  
  import java.awt.Color;
  import java.awt.Graphics2D;
  
  import java.awt.image.BufferedImage;
  
  import java.util.Iterator;
  
  import javax.imageio.ImageIO;
  
  import org.dishevelled.iconbundle.IconSize;
  import org.dishevelled.iconbundle.IconState;
  import org.dishevelled.iconbundle.IconBundle;
  import org.dishevelled.iconbundle.IconTextDirection;
  
  /**
   * Show all variants runnable.
   *
   * @author  Michael Heuer
   */
  public final class ShowAllVariants
      implements Runnable
  {
      /** File name. */
      private String fileName;
  
      /** True to draw borders. */
      private boolean drawBorders;
  
      /** Icon bundle. */
      private IconBundle iconBundle;
  
  
      /**
       * Create a new show all variants runnable with the
       * specified icon bundle.
       *
       * @param iconBundle icon bundle
       * @param fileName file name
       * @param drawBorders true to draw borders
       */
      public ShowAllVariants(final IconBundle iconBundle, final String fileName, final boolean drawBorders)
      {
          this.iconBundle = iconBundle;
          this.fileName = fileName;
          this.drawBorders = drawBorders;
      }
  
  
      /** @see Runnable */
      public void run()
      {
          int w = 0;
          int h = 0;
  
          int maxHeight = 0;
          int horizontalGap = 4;
          int verticalGap = 4;
  
          for (Iterator i = IconSize.VALUES.iterator(); i.hasNext(); )
          {
              IconSize size = (IconSize) i.next();
              w += size.getWidth();
              w += horizontalGap;
  
              if (size.getHeight() > maxHeight)
              {
                  maxHeight = size.getHeight();
              }
          }
  
          w *= IconTextDirection.VALUES.size();
          h = IconState.VALUES.size() * (maxHeight + verticalGap);
 
         BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
         Graphics2D g = image.createGraphics();
 
         int x = 0;
         int y = 0;
         maxHeight = 0;
         for (Iterator i = IconState.VALUES.iterator(); i.hasNext(); )
         {
             IconState state = (IconState) i.next();
             for (Iterator j = IconSize.VALUES.iterator(); j.hasNext(); )
             {
                 IconSize size = (IconSize) j.next();
                 for (Iterator k = IconTextDirection.VALUES.iterator(); k.hasNext(); )
                 {
                     IconTextDirection direction = (IconTextDirection) k.next();
 
                     g.drawImage(iconBundle.getImage(null, direction, state, size),
                                 x, y, Color.WHITE, null);
 
                     if (drawBorders)
                     {
                         g.setPaint(Color.BLACK);
                         g.drawRect(x, y, size.getWidth(), size.getHeight());
                     }
 
                     x += size.getWidth();
                     x += horizontalGap;
 
                     if (size.getHeight() > maxHeight)
                     {
                         maxHeight = size.getHeight();
                     }
                 }
             }
             x = 0;
             y += maxHeight;
             y += verticalGap;
             maxHeight = 0;
         }
 
         try
         {
             ImageIO.write(image, "png", new File(fileName));
         }
         catch (Exception e)
         {
             // ignore
         }
     }
 }