Silverlight的中文显示问题

图片加载类:

import javax.microedition.lcdui.*;

public class ImageAccess { 
  Image bg      = null;
  Image merry   = null;
  Image logo    = null;
  Image control = null;
  Image context = null;
 
  public ImageAccess() {   
    try{
      bg      = Image.createImage("/bg.png");
      merry   = Image.createImage("/merry.png");
      logo    = Image.createImage("/logo.png");
      control = Image.createImage("/control.png");
      context = Image.createImage("/context.png");
    }catch(java.io.IOException e){
      e.printstacktrace();
    }
  }
}
地图数据类:

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class MerryData {
 private int lay = 3;
 private int position = 1;
 // y,ix,iy,w,h 
 // 四个下标为图片的位移和宽度(ix,h) 
 public int[][] layout = new int[][]{{0,24,38},{24,46,{70,16,18}};
 public int[][] contet = new int[][]{{0,59,25},{59,{0,25,15},{60,25}};
 // 三个下标为当前的图片和它的坐标
 public int[][] bulet = new int[][]{{0,8,83},{2,81,100},150,80},{1,215,86},295,84},210,85},350,410,87},500,90}};
 public int[][] jokul = new int[][]{{0,85,10,0},{58,88,55,50,1},{114,30,{170,5,{223,87,65,{280,{335,{390,{450,{500,0}};
 
 public MerryData() {
 }
 
 public void move() {
  for(int i = 0; i < bulet.length; i ++) {
   bulet[i][1]--;
  }
  for(int i = 0; i < jokul.length; i ++) {
   jokul[i][0]--;
  }
 }
}

第一个Canvas类:

import java.util.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class GscreenBuffer extends Canvas implements Runnable {
 private int screenw = 128,screenh = 128;
 private boolean logoover=false;
 private Image off_screen_buffer;
 private Graphics off_screen;
  private boolean visible = false;
  public ImageAccess ia;
  public MerryData data;
  Thread thread = new Thread(this);
 
  public GscreenBuffer() {
   off_screen_buffer = Image.createImage(screenw,screenh);
   off_screen = off_screen_buffer.getGraphics();
   init();
  }
 
  protected void init() {   
   ia = new ImageAccess();
   data = new MerryData();
  }
 
  public void run() {
   while(true) {
    data.move();
  try {
   repaint();
      thread.sleep(300);
  }catch(InterruptedException e) {}
 }
  }
 
  public void paint(Graphics g) {
   drawMapLayout();
    // 障碍物
   for(int i = 0; i < data.bulet.length; i ++) {
    drawLayout(i);
   }
   
   off_screen.setColor(0,0);
   off_screen.drawRect(0,126,126);
    g.drawImage(off_screen_buffer,20);
   
  }
 
  private void drawImg(Graphics g,Image allimg,int ix,int iy,int bx,int by,int width,int height,int gra){
     g.setClip(ix,width,height);
     g.drawImage(allimg,ix-bx,iy-by,g.LEFT|gra);
     g.setClip(0,128,128);
  }
 
  protected void drawMapLayout() {
   off_screen.drawImage(ia.bg,20);
   // 雪山
   for(int i = 0; i < data.jokul.length; i ++) {
    drawJokul(i);
   }
  }
 
  private void drawLayout(int x) {
   drawImg(off_screen,ia.control,data.bulet[x][1],data.bulet[x][2],data.layout[data.bulet[x][0]][0],data.layout[data.bulet[x][0]][1],data.layout[data.bulet[x][0]][2],data.layout[data.bulet[x][0]][3],20);
  }
 
  protected void drawJokul(int x) {
   drawImg(off_screen,ia.context,data.jokul[x][0],data.jokul[x][1],data.contet[x%2][0],data.contet[x%2][1],data.contet[x%2][2],data.contet[x%2][3],20);
   drawImg(off_screen,3,data.contet[3][0],data.contet[3][1],data.contet[3][2],data.contet[3][3],40,data.jokul[x][1]+15,data.contet[2][0],data.contet[2][1],data.contet[2][2],data.contet[2][3],20);
  }
}

第二个Canvas类:

import java.util.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import javax.microedition.io.*;

public class GameStart extends Canvas implements Runnable {
  GscreenBuffer buffer= new GscreenBuffer(); //这里把第一个Canvas类加进来,从而在同一个线程里运行
  int executenumber=0;
  MerryXmas merry= null;
  Thread thread = new Thread(this);
  long starttime = System.currentTimeMillis();
  boolean logoover=false;
 
  public GameStart(MerryXmas merry) {
    this.merry=merry;
  }
 
  public void run(){
    while(System.currentTimeMillis()-starttime<2000){
      this.repaint();
      try{
        thread.sleep(30L);
      }catch(Exception e){
        e.printstacktrace();
      }
    }   
    logoover=true;
    this.repaint();
  }
 
  public void paint(Graphics g){
    if(this.logoover==true){
     g.drawImage(buffer.ia.merry,20);
     //gr.aa.logo=null;
     System.gc();
    }else {
      g.setColor(255,255,255);
      g.fillRect(0,128);
      g.drawImage(buffer.ia.logo,20,20);
     
    }
  }
  public void keypressed(int keyCode){
   buffer.thread.start();
   display.getdisplay(merry).setCurrent(buffer);
  }
}

主类MIDlet:

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class MerryXmas extends MIDlet {
  private static MerryXmas Xmas;
   GameStart gs= new GameStart(this);

  public MerryXmas() {
    Xmas = this;
  }
 
  public static MerryXmas getmidlet(){
    if(Xmas != null) {
      return Xmas;
    }
    return null;
  }
 
  public void startApp() {
   gs.thread.start();
    display.getdisplay(this).setCurrent(gs);   
  }

  public void pauseApp() {}
  public void destroyApp(boolean unconditional) {}

  public static void quitApp() {
    Xmas.destroyApp(true);
    Xmas.notifyDestroyed();
    Xmas = null;
  }
}

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