import java.awt.*;
import java.applet.*;
import java.awt.event.* ;
public class pintu extends Applet implements MouseListener,MouseMotionListener
{
private Image picture;
private Graphics buffer;
private Image pic[];
private Image off_pic[];
private Graphics off_buf[];
private Image off_screen;
private Graphics off_buffer;
private Image off_drag;
private Graphics off_drag_buf;
private int map[][];
private int ran[];
private int width=0;
private int height=0;
private int lastx;
private int lasty;
private int last_downx;
private int last_downy;
private int stepx;
private int stepy;
private boolean choose;
private boolean click[][];
private boolean m_down;
private boolean m_drag;
private boolean not_redraw;
private boolean able;
Font font1,font2;
//程序的初始化
public void init()
{
resize(640,480);
pic = new Image [3];
off_pic = new Image[16];
off_buf = new Graphics [16];
map = new int [4][4];
ran = new int [15];
for(int a=0;a<16;a++)
map[a/4][a%4] = a;
for(int a=0;a<15;a++)
ran[a]=a;
click=new boolean [4][4];
MediaTracker tracker= new MediaTracker (this);
//要载入的图片
pic[0]=getImage(getCodeBase(),"PICTURE0.JPG");
pic[1]=getImage(getCodeBase(),"PICTURE1.JPG");
pic[2]=getImage(getCodeBase(),"PICTURE2.GIF");
tracker.addImage (pic[0],0);
tracker.addImage (pic[1],0);
tracker.addImage (pic[2],0);
try{
tracker.waitForID (0);
}catch(InterruptedException e){}
//设置字体
font1= new Font ("TimesRoman", Font.BOLD, 48);
font2= new Font ("TimesRoman", Font.BOLD, 32);
width=640;
height=480;
//初始化主界面
initForm();
//添加鼠标监听事件
addMouseListener(this);
addMouseMotionListener(this);
}
//面板初始化
void initForm()
{
this.setBackground (Color.orange);
if(off_drag==null){
off_drag = createImage(width/4,height/4);
off_drag_buf = off_drag.getGraphics ();
}
}
public void paint(Graphics g){
if(off_screen==null)
{
off_screen = createImage(width,height);
off_buffer=off_screen.getGraphics ();
}
if(able){
off_buffer.setColor (Color.black );
for(int a=0;a<4;a++)
for(int b=0;b<4;b++)
{
if(map[a][b]!=15)
off_buffer.drawImage (off_pic[map[a][b]],b*width/4,a*height/4,this);
if(map[a][b]==15)
off_buffer.fillRect (b*width/4,a*height/4,width/4,height/4);
for(int c=0;c<2;c++)
off_buffer.drawRect (b*width/4+c,a*height/4+c,width/4-c,height/4-c);
if(click[a][b])
{
off_buffer.setColor(Color.red);
for(int d=0;d<2;d++)
off_buffer.drawOval (b*width/4-d,a*height/4-d,width/4+d,height/4+d);
off_buffer.setColor (Color.black );
}
}
}
else{
off_buffer.setColor (Color.orange );
off_buffer.fillRect (0,0,640,480);
off_buffer.setFont (font1);
off_buffer.setColor(Color.red );
off_buffer.drawImage (pic[2],30,50,250,180,this);
off_buffer.drawImage (pic[0],370,160,250,180,this);
off_buffer.drawImage (pic[1],60,270,250,180,this);
off_buffer.drawString ("Choose One!",320,100);
}
g.drawImage (off_screen,0,0,this);
}
public void repaint(){
paint(this.getGraphics ());
}
//单击鼠标时产生的事件
public void mouseClicked(MouseEvent evt){}
//鼠标进入某个区域时产生的事件
public void mouseEntered(MouseEvent evt){}
//鼠标退出某个区域时产生的事件
public void mouseExited(MouseEvent evt){}
//移动鼠标时产生的事件
public void mouseMoved(MouseEvent evt){
if(!able){
Point point;
point=evt.getPoint();
if(point.x >30 && point.x<280 && point.y>50 && point.y<230)
{
off_buffer.setColor (Color.orange );
off_buffer.fillRect (0,0,640,480);
off_buffer.setFont (font1);
off_buffer.drawImage (pic[2],25,45,250,180,this);
off_buffer.drawImage (pic[0],370,160,250,180,this);
off_buffer.drawImage (pic[1],60,270,250,180,this);
off_buffer.setColor(Color.black );
off_buffer.fillRect (30,225,250,5);
off_buffer.fillRect (275,50,5,176);
off_buffer.setColor(Color.red );
off_buffer.drawString ("picture 2!",320,100);
this.getGraphics ().drawImage (off_screen,0,0,this);
}
else if(point.x >370 && point.x<620 && point.y>160 && point.y<340)
{
off_buffer.setColor (Color.orange );
off_buffer.fillRect (0,0,640,480);
off_buffer.setFont (font1);
off_buffer.drawImage (pic[2],30,50,250,180,this);
off_buffer.drawImage (pic[0],365,155,250,180,this);
off_buffer.drawImage (pic[1],60,270,250,180,this);
off_buffer.setColor(Color.black );
off_buffer.fillRect (370,335,250,5);
off_buffer.fillRect (615,160,5,175);
off_buffer.setColor(Color.red );
off_buffer.drawString ("picture 0!",320,100);
this.getGraphics ().drawImage (off_screen,0,0,this);
}
else if(point.x >60 && point.x<310 && point.y>270 && point.y<450)
{
off_buffer.setColor (Color.orange );
off_buffer.fillRect (0,0,640,480);
off_buffer.setFont (font1);
off_buffer.drawImage (pic[2],30,50,250,180,this);
off_buffer.drawImage (pic[0],370,160,250,180,this);
off_buffer.drawImage (pic[1],55,265,250,180,this);
off_buffer.setColor(Color.black );
off_buffer.fillRect (60,445,250,5);
off_buffer.fillRect (305,270,5,175);
off_buffer.setColor(Color.red );
off_buffer.drawString ("picture 1!",320,100);
this.getGraphics ().drawImage (off_screen,0,0,this);
}
else{
repaint();
}
}
}
//拖动鼠标时产生的事件
public void mouseDragged(MouseEvent evt){
if(!able)
return;
if(m_down){
Point point;
Point temp;
point=evt.getPoint();
m_drag=true;
repaint();
Graphics david = this.getGraphics ();
if(!not_redraw)
off_drag_buf.drawImage (off_pic[map[last_downy][last_downx]],0,0,this);
david.drawImage (off_drag,point.x+stepx,point.y+stepy,this);
not_redraw=true;
}
}
//按下鼠标时产生的事件
public void mousePressed(MouseEvent evt){
if(!able)
return;
Point point;
Point temp;
point=evt.getPoint();
if(getarea(point) == point)
return;
else {
temp=getarea(point);
if(!m_down){
if(map[temp.y][temp.x]==15)
return;
else{
m_down=true;
last_downx=temp.x;
last_downy=temp.y;
stepx=temp.x*160-point.x;
stepy=temp.y*120-point.y;
}
}
else if(m_down){
m_down=false;
}
}
}
//放开鼠标时产生的事件
public void mouseReleased(MouseEvent evt){
if(able){
if(m_drag){
m_down=false;m_drag=false;not_redraw=false;
Point point;
Point temp;
point=evt.getPoint();
if(getarea(point) == point)
{ repaint();
return;}
else {
temp=getarea(point);
if(map[temp.y][temp.x]!=15){
repaint();return;}
else{
if(Math.abs (last_downx-temp.x)==1 && last_downy-temp.y==0)
{
int david;
david=map[last_downy][last_downx];
map[last_downy][last_downx] =15;
map[temp.y][temp.x]=david;
if(wingame())
able=false;
repaint();
return;
}
else if(last_downx-temp.x==0 && Math.abs (last_downy-temp.y)==1)
{
int david;
david=map[last_downy][last_downx];
map[last_downy][last_downx] =15;
map[temp.y][temp.x]=david;
if(wingame())
able=false;
repaint();
return;
}
else{repaint(); return;}
}
}
}
}
else{
Point point;
point=evt.getPoint();
if(point.x >30 && point.x<280 && point.y>50 && point.y<230)
{able=true; initmap(2);}
if(point.x >370 && point.x<620 && point.y>160 && point.y<340)
{able=true;initmap(0);}
if(point.x >60 && point.x<310 &
