import java.applet.Applet;
import java.awt.*;
import java.util.*;
import java.awt.event.*;
//
public class Clock extends Applet implements Runnable{
Thread thisThread;
Color faceColor, borderColor, minuteColor, hourColor,
secondColor;
public void init(){
//read in the colors for each of the hands and for the face/border
faceColor = readColor (getParameter("faceCol"));
borderColor = readColor (getParameter("borderCol"));
minuteColor = readColor (getParameter("minuteCol"));
hourColor = readColor(getParameter("hourCol"));
secondColor = readColor(getParameter("secondCol"));
}
// This method creates a color based on a string.
// The string is assumed to be "red,green,blue" where each
// of the colors is represented by its integer equivalant.
public Color readColor(String aColor) {
if (aColor == null) {
return Color.black;
}
int r;
int g;
int b;
//break the string apart into each number
StringTokenizer st = new StringTokenizer(aColor, ",");
try {
r = Integer.valueOf(st.nextToken()).intValue();
g = Integer.valueOf(st.nextToken()).intValue();
b = Integer.valueOf(st.nextToken()).intValue();
return new Color(r,g,b);
}
catch (Exception e) {
System.out.println("An exception occured trying to conver a parameter to a color:"+e);
return Color.black;
}
}
public void start(){
thisThread = new Thread(this);
thisThread.start();
}
public void run(){
while(true){
repaint();
try{
thisThread.sleep(1000);
}catch (Exception e){}
}
}
public void update(Graphics g){
paint(g);
}
public void paint(Graphics g){
//fill clock face
g.setColor(faceColor);
g.fillOval(0,0,100,100);
g.setColor(borderColor);
g.drawOval(0,0,100,100);
//get the current time
Calendar d = Calendar.getInstance();
//draw the minute hand
g.setColor(minuteColor);
double angle = (((double)(90 - d.get(Calendar.MINUTE)))/60)*2 * Math.PI;
g.drawLine(50,50,50+(int)(Math.sin(angle)*50),50 + (int)(Math.cos(angle)*50));
//draw the hour hand
g.setColor(hourColor);
angle = ((((double)18 - d.get(Calendar.HOUR_OF_DAY)+(double)d.get(Calendar.MINUTE)/60))/12)*2* Math.PI;
g.drawLine(50,50,50+(int)(Math.sin(angle)*40),50 +(int)(Math.cos(angle)*40));
//draw the second hand
g.setColor(secondColor);
angle = (((double)(90 - d.get(Calendar.SECOND)))/60)*2 * Math.PI;
g.drawLine(50,50,50+(int)(Math.sin(angle)*50),50 +(int)(Math.cos(angle)*50));
}
static boolean inApplet =true;
public static void main(String args[]){
/*set a boolean flag to show if you are in an applet or not */
inApplet=false;
/*Create a Frame to place our application in. */
/*You can change the string value to show your desired label*/
/*for the frame */
Frame myFrame = new Frame ("Clock as an Application");
myFrame.addWindowListener (new WindowAdapter(){
public void windowClosing (WindowEvent event){
System.exit(0);
}
});
/*Create a clock instance. */
Clock myApp = new Clock(); /*Add the current application to the Frame */
myFrame.add ("Center",myApp);
/*Resize the Frame to the desired size, and make it visible */
/*Resize the Frame to the desired size, and make it visible */
if (args.length>=2)
/*resize the Frame based on command line inputs */
myFrame.setSize(Integer.parseInt(args[0]),Integer.parseInt(args[1]));
else
myFrame.setSize(100,130);
myFrame.show();
/*Run the methods the browser normally would */
myApp.init();
myApp.start();
}
public String getParameter (String name){
String ST;
if (inApplet)
return super.getParameter(name);
//If you are not in an applet you default all of the values.
if (name == "hourCol")
return "255,00,00" ;
if (name == "minuteCol")
return "00,255,00";
if (name == "secondCol")
return "00,00,255";
if (name == "borderCol")
return "255,255,255";
if (name == "faceCol")
return "125,125,125";
return null;
}
}