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import Java.awt.*;
import java.applet.*;
import java.util.*;
import java.net.*;

class Hms extends Date
{
public Hms(double localOffset){ //Èç¹ûHTMLÎļþÖÐÉèÖÃÁËÊ±Çø£¬Ôò°Ñʱ¼äÉèΪµ±µØÊ±ÇøÊ±¼ä
super();
long tzOffset=getTimezoneOffset()*60L*1000L;
localOffset *= 3600000.0;
setTime(getTime() tzOffset (long)localOffset);
}

public Hms(){ //Èç¹ûûÓÐÉèÖÃÊ±Çø£¬Ôò¾ÍʹÓõ±µØµÄʱ¼ä
super();
}

public double get_hours() //ʱ¼ä»»Ë㣬°ÑÈç5:30ÕâÑùµÄʱ¼ä»»Ëã³É5.5
{
return (double)super.getHours() (double)getMinutes()/60.0;
}
}

abstract class ClockHand //³éÏóÀ࣬ÌṩʱÕë¡¢·ÖÕë¡¢ÃëÕëÀàʹÓÃ
{
protected int baseX[], baseY[];
protected int transX[],transY[];
protected int numberOfPoints;

public ClockHand(int originX, int originY, int length,int thickness,int points){
baseX= new int[points]; baseY=new int[points];
transX= new int[points]; transY=new int[points];
initiallizePoints(originX,originY,length,thickness);
numberOfPoints=points;
}

abstract protected void initiallizePoints( int originX,
int originY,
int length,
int thickness);

abstract public void draw(Color color, double angle, Graphics g);

protected void transform(double angle) //ͨ¹ý½Ç¶È¼ÆËã³öʱÕë¡¢·ÖÕë¡¢ÃëÕëµÄ»æÖÆÎ»ÖÃ
{
for(int i=0;i<numberOfPoints;i ){
transX[i]=(int)( (baseX[0]-baseX[i]) * Math.cos(angle) -
(baseY[0]-baseY[i]) * Math.sin(angle)
baseX[0]);

transY[i]=(int)( (baseX[0]-baseX[i]) * Math.sin(angle)
(baseY[0]-baseY[i]) * Math.cos(angle)
baseY[0]);
}
}
}

//ÃëÕëʹÓõÄÀà
class SweepHand extends ClockHand
{
public SweepHand(int originX,int originY, int length, int points)
{
super(originX,originY,length,0,points);
}

protected void initiallizePoints(int originX,int originY, int length, int unused) //³õʼ»¯µã
{
baseX[0]=originX; baseY[0]=originY;
baseX[1]=originX; baseY[1]=originY-length/5;
baseX[2]=originX; baseY[2]=originY length;
}

public void draw(Color color, double angle, Graphics g) //»æÖÆÃëÕ룬ΪÏß¶Î
{
transform(angle);
g.setColor(color);
g.drawLine(transX[1],transY[1],transX[2],transY[2]);
}
}

class HmHand extends ClockHand
{
public HmHand(int originX,int originY, int length,int thickness, int points){
super(originX,originY,length,thickness,points);
}

protected void initiallizePoints( int originX, //³õʼ»¯µã
int originY,
int length,
int thickness)
{
baseX[0]=originX;
baseY[0]=originY;

baseX[1]=baseX[0]-thickness/2;
baseY[1]=baseY[0] thickness/2;

baseX[2]=baseX[1];
baseY[2]=baseY[0] length- thickness;

baseX[3]=baseX[0];
baseY[3]=baseY[0] length;

baseX[4]=baseX[0] thickness/2;
baseY[4]=baseY[2];

baseX[5]=baseX[4];
baseY[5]=baseY[1];
}

public void draw(Color color,double angle, Graphics g) //»æÖÆÊ±Õë·ÖÕ룬Ϊ¶à±ßÐÎ
{
transform(angle);
g.setColor(color);
g.fillPolygon(transX,transY,numberOfPoints);
}
}

HmsÀàÊǽøÐÐʱ¼ä»»ËãµÄÀà
ClockHandÊÇ»æÖÆÖ¸ÕëµÄ³éÏó»ùÀ࣬ͬʱÌṩ½«½Ç¶Èת»»Îª×ø±êµÄ·½·¨
SweepHandÊÇÃëÕë»æÖÆÊ¹ÓõÄÀà
HmHandÊÇʱÕë·ÖÕë»æÖÆÊ¹ÓõÄÀà

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