/*

  * Quoridor server and related libraries

  * Copyright (C) 2009-2010 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * 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 3 of the License.

  *

  * 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. Look for COPYING file in the top folder.

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

  */

 package cz.xelfi.quoridor.freemarkerdor;

 import cz.xelfi.quoridor.Board;

 import cz.xelfi.quoridor.Fence;

 import cz.xelfi.quoridor.Player;

 import java.awt.Color;

 import java.awt.Font;

 import java.awt.Graphics2D;

 import java.awt.Image;

 import java.awt.Rectangle;

 import java.awt.image.BufferedImage;

 /** Convertor of a board to Image.

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 final class BoardImage  {

     static Image draw(Board b, int fieldSize) {

         int fifth = fieldSize / 10;

         BufferedImage img = new BufferedImage(fieldSize * 9, fieldSize * 9, BufferedImage.TYPE_INT_ARGB);

         Graphics2D g = (Graphics2D) img.getGraphics();

         g.setColor(Color.lightGray);

         for (int i = 0; i < 9; i++) {

             for (int j = 0; j < 9; j++) {

                 final Rectangle r = new Rectangle(i * fieldSize, j * fieldSize, fieldSize, fieldSize);

                 g.fillRect(r.x + fifth, r.y + fifth, r.width - fifth * 2, r.height - fifth * 2);

             }

         }

         g.setColor(Color.BLACK);

         for (Fence f : b.getFences()) {

             int w, h;

             switch (f.getOrientation()) {

                 case HORIZONTAL: w = fieldSize - fifth; h = fifth; break;

                 case VERTICAL: w = fifth; h = fieldSize - fifth; break;

                 default: throw new IllegalStateException();

             }

             int column = (f.getColumn() - 'A') + 1;

             int row = 9 - f.getRow();

             Rectangle r = new Rectangle(

                 column * fieldSize - w,

                 row * fieldSize - h,

                 2 * w,

                 2 * h

             );

             g.fill(r);

         }

         int cnt = 0;

         Color[] colors = { Color.WHITE, Color.BLACK, Color.ORANGE, Color.MAGENTA };

         int diametr = fieldSize - fifth * 4;

         for (Player p : b.getPlayers()) {

             int column = p.getColumn();

             int row = 8 - p.getRow();

             final Rectangle r = new Rectangle(

                 column * fieldSize + 2 * fifth,

                 row * fieldSize + 2 * fifth,

                 diametr,

                 diametr

             );

             g.setColor(colors[cnt]);

             g.fillOval(r.x, r.y, r.width, r.height);

             if (p == b.getCurrentPlayer()) {

                 g.setColor(Color.lightGray);

                 g.fillOval(r.x + r.width / 3, r.y + r.height / 3, r.width / 3, r.height / 3);

             }

             cnt++;

         }

         g.setColor(Color.BLACK);

         final Font f = new Font("Monospace", Font.BOLD, fifth * 2);

         g.setFont(f);

         for (int i = 0; i < 8; i++) {

             final char ch = (char) ('A' + i);

             g.drawString(Character.toString(ch), i * fieldSize + fieldSize - fifth, fifth + f.getSize() - f.getBaselineFor(ch));

         }

         for (int i = 0; i < 8; i++) {

             String s = "" + (8 - i);

             g.drawString(s, fifth, i * fieldSize + fieldSize - fifth + f.getSize() - f.getBaselineFor(s.charAt(0)));

         }

         return img;

     }

 }