carshape.java

用java写的一个研究生班级通讯录程序,可从文件导入及导出,界面美观.

package com.bemjh.Shape;

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.*;
import java.awt.geom.*;

/**
 * <p>Title: MultiMoveableShape</p>
 *
 * <p>Description: MultiMoveable Shape</p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: bemjh</p>
 *
 * @author bemjh
 * @version 1.0
 */
public class CarShape implements IMoveable {
    // private variable
    //the object's coordinate
    private int x, y;
    // the object 's size
    private int size;

    public CarShape() {
    }

    /**
     * the  construct function
     * @param x  the object's x  coordinate
     * @param y  the object's y coordinate
     * @param size the size of the object
     */
    public CarShape(int x, int y, int size) {
        this.x = x;
        this.y = y;
        this.size = size;
    }
    /**
     * this function is to draw a graph
     *
     * @param g graphics object
     * @todo Implement this com.bemjh.Shape.IMoveable method
     */
    public void draw(Graphics g) {
       // g.fillOval(x,y,x+size,y+size);
       Graphics2D g2 =(Graphics2D)g;
       Rectangle2D.Double body = new Rectangle2D.Double(x,y+size/6,size-1,size/6);
       Ellipse2D.Double frontTire = new Ellipse2D.Double(x+size/6,y+size/3,size/6,size/6);
       Ellipse2D.Double rearTire = new Ellipse2D.Double(x+size*2/3,y+size/3,size/6,size/6);
       Point2D.Double r1= new Point2D.Double(x+size/6,y+size/6);
       Point2D.Double r2= new Point2D.Double(x+size/3,y);
       Point2D.Double r3= new Point2D.Double(x+size*2/3,y);
       Point2D.Double r4= new Point2D.Double(x+size*5/6,y+size/6);
       Line2D.Double frontWindshield = new Line2D.Double(r1,r2);
       Line2D.Double roofTop = new Line2D.Double(r2,r3);
       Line2D.Double rearWindShield = new Line2D.Double(r3,r4);
       g2.fill(frontTire);
       g2.fill(rearTire);
       g2.setColor(Color.red);
       g2.fill(body);
       g2.draw(frontWindshield);
       g2.draw(roofTop);
       g2.draw(rearWindShield);

    }

    /**
     * the function traslate is to increase the x and y of the object
     *
     * @param dx x direction to crease
     * @param dy y direction to crease
     * @todo Implement this com.bemjh.Shape.IMoveable method
     */
    public void translate(double dx, double dy) {
        if(x>350)
            x=0;
        if(y>200)
            y=0;
        x+=dx;
        y+=dy;
    }
}