JAVA編輯的一個小地圖

看書看到了,就寫了一下..

import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;

public class Map extends JFrame{
 
 public Map(){
  super("Map");
  setSize(350,300);
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  MapPane map=new MapPane();
  Container content=getContentPane();
  content.add(map);
  show();
 }
 
 public static void main(String arguments[]){
  
  Map frame=new Map();
 }
}

class MapPane extends JPanel{
 
 public void paintComponent(Graphics comp){
  Graphics2D comp2D=(Graphics2D)comp;
  comp2D.setColor(Color.blue);
  Rectangle2D.Float background=new Rectangle2D.Float(0F,0F,(float)getSize().width,(float)getSize().height);
  comp2D.fill(background);
  comp2D.setColor(Color.white);
  BasicStroke pen=new BasicStroke(2F,BasicStroke.CAP_BUTT,BasicStroke.JOIN_ROUND);
  comp2D.setStroke(pen);
  for(int ax=0;ax<340;ax+=10)
  for(int ay=0;ay<340;ay+=10){
   Arc2D.Float wave=new Arc2D.Float(ax,ay,10,10,0,-180,Arc2D.OPEN);
   comp2D.draw(wave);
  }
  
  GradientPaint gp=new GradientPaint(0F,0F,Color.green,350F,350F,Color.orange,true);
  comp2D.setPaint(gp);
  GeneralPath fl=new GeneralPath();
  fl.moveTo(10F,12F);
  fl.lineTo(234F,15F);
  fl.lineTo(253F,25F);
  fl.lineTo(261F,71F);
  fl.lineTo(344F,209F);
  fl.lineTo(336F,278F);
  fl.lineTo(295F,310F);
  fl.lineTo(259F,274F);
  fl.lineTo(205F,188F);
  fl.lineTo(211F,171F);
  fl.lineTo(195F,174F);
  fl.lineTo(191F,118F);
  fl.lineTo(120F,56F);
  fl.lineTo(94F,68F);
  fl.lineTo(81F,49F);
  fl.lineTo(12F,37F);
  fl.closePath();
  comp2D.fill(fl);
  
  comp2D.setColor(Color.black);
  BasicStroke pen2=new BasicStroke();
  comp2D.setStroke(pen2);
  Ellipse2D.Float e1=new Ellipse2D.Float(235,140,15,15);
  Ellipse2D.Float e2=new Ellipse2D.Float(225,130,15,15);
  Ellipse2D.Float e3=new Ellipse2D.Float(245,130,15,15);
  comp2D.fill(e1);
  comp2D.fill(e2);
  comp2D.fill(e3);
 }
}