piecerenderer.java

一个java做的国际象棋小游戏

/*
  PieceRenderer - A component to render a chess piece with a given image.

  Copyright (C) 2003 The Java-Chess team <[e-mail]>

  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.
*/ 

package de.java_chess.javaChess.renderer2d;

import java.awt.*;
import java.awt.image.BufferedImage;


/**
 * This class renders a chess piece as a image.
 */
class PieceRenderer extends BufferedImage {

    // Instance variables

    /**
     * The color of the piece.
     */
    int _color;

    /**
     * The type of the piece (pawn, bishop, etc).
     */
    int _piece;

    /**
     * A provider for the piece images.
     */
    static ChessSet _set;


    // Constructors

    /**
     * Create a new piece renderer instance.
     *
     * @param color The color of the piece.
     * @param piece The type of the piece.
     * @param set The set of chess pieces.
     * @c The parent component.
     */
    PieceRenderer( int color, int piece, ChessSet set, Component c) {
	super( 40, 40, BufferedImage.TYPE_INT_ARGB);
	_piece = piece;
	_color = color;
	_set = set;
	Graphics g = getGraphics();
	g.drawImage( _set.getSubimage( ( _piece - 1) * 40, _color * 40, 40, 40), 0, 0, c);
    }

    
    // Methods
}