/** * Title:        吃豆子<p> * Description:  小游戲<p> * Copyright:    Copyright (c) Nothing<p> * Company:      Raindrop<p> * @author Nothing * @version 1.0 */package eatbean;import java.awt.*;import java.util.*;//import eatbean.util.ImageTool;public class Wall extends MapElement {	public static final int BASE_NUM = 100;	public static final int STYLE_B_2     = BASE_NUM + 1;	public static final int STYLE_H_2     = BASE_NUM + 2;	public static final int STYLE_H_B_3   = BASE_NUM + 3;	public static final int STYLE_H_T_3   = BASE_NUM + 4;	public static final int STYLE_L_2     = BASE_NUM + 5;	public static final int STYLE_L_B_2   = BASE_NUM + 6;	public static final int STYLE_L_T_2   = BASE_NUM + 7;	public static final int STYLE_R_2     = BASE_NUM + 8;	public static final int STYLE_R_B_2   = BASE_NUM + 9;	public static final int STYLE_R_T_2   = BASE_NUM + 10;	public static final int STYLE_T_2     = BASE_NUM + 11;	public static final int STYLE_V_2     = BASE_NUM + 12;	public static final int STYLE_V_L_3   = BASE_NUM + 13;	public static final int STYLE_V_R_3   = BASE_NUM + 14;	public static final int STYLE_C_1     = BASE_NUM + 15;	private static Hashtable styleTable = new Hashtable();	static {		styleTable.put(new Integer(STYLE_B_2), "wb2.gif");		styleTable.put(new Integer(STYLE_H_2), "wh2.gif");		styleTable.put(new Integer(STYLE_H_B_3), "whb3.gif");		styleTable.put(new Integer(STYLE_H_T_3), "wht3.gif");		styleTable.put(new Integer(STYLE_L_2), "wl2.gif");		styleTable.put(new Integer(STYLE_L_B_2), "wlb2.gif");		styleTable.put(new Integer(STYLE_L_T_2), "wlt2.gif");		styleTable.put(new Integer(STYLE_R_2), "wr2.gif");		styleTable.put(new Integer(STYLE_R_B_2), "wrb2.gif");		styleTable.put(new Integer(STYLE_R_T_2), "wrt2.gif");		styleTable.put(new Integer(STYLE_T_2), "wt2.gif");		styleTable.put(new Integer(STYLE_V_2), "wv2.gif");		styleTable.put(new Integer(STYLE_V_L_3), "wvl3.gif");		styleTable.put(new Integer(STYLE_V_R_3), "wvr3.gif");		styleTable.put(new Integer(STYLE_C_1), "c1.gif");	}	private Image img = null;	private static Hashtable imgBuffTable = new Hashtable();	public Wall(int style, int x, int y) {		super(style, x, y);		img = getImage(style);	}	public void parseWidthAndHeight() {		width = ELEMENT_MAX_SIZE;		height = ELEMENT_MAX_SIZE;	}	public void draw(OffScreen offScreen) {		if(img == null) return;		offScreen.drawImage(img, x, y);	}	private Image getImage(int imgIndex) {		Image result = null;		synchronized(imgBuffTable) {    //  同步,保證同一個Image不被調入內存兩次			result = super.getImage(imgBuffTable, styleTable, imgIndex);		}		return result;	}}