/********************************************************* beacon.java shows which NCDXF/IARU Beacon is transmiting at any given second. It presumes the computer clock is accurate and needs a graphic of the world map "world.jpg" Beacon info based on http://www.ncdxf.org/beacon/beaconSchedule.htm version 1.0 -- Written July 11, 2002 Chris Thiel **********************************************************/ import java.util.*; import java.awt.*; import java.awt.event.*; import java.applet.*; import java.text.*; import java.lang.*; public class beacon extends Applet implements Runnable { private Thread timer; private Image offScreenImage = null; private Graphics offScreenGraphics = null; private Dimension offScreenSize = null; private int lastsec = -1; private GregorianCalendar cal; public Choice daMenu; private String lastdate = "", lasttime = ""; private DateFormat dfdate, dftime; private boolean doSeconds; private int sleeptime; private Locale locale; private int style; private int selectedFreq; private String[] bName = new String[18];// names of beacons private String[] fName = new String[5]; // names of the 5 frequencies private int[] blx = new int[18]; // x locations of beacons private int[] bly = new int[18]; // y locations of beacons private Image img = null; private int rings; public beacon() { this(TimeZone.getDefault(), Locale.getDefault()); } private beacon(TimeZone timezone, Locale locale) { // cal = new GregorianCalendar(timezone); cal = new GregorianCalendar(TimeZone.getTimeZone("UTC")); daMenu = new Choice(); this.locale = locale; sleeptime = 200; int i; fName[0]="14.100"; fName[1]="18.110"; fName[2]="21.150"; fName[3]="24.930"; fName[4]="28.200"; bName[0]= "United Nations (4U1UN)"; bName[1]= "Canada (VE8AT)"; bName[2]= "Unites States (W6WX)"; bName[3]= "Hawaii (KH6WO)"; bName[4]= "New Zealand (ZL6B)"; bName[5]= "Australia (VK6RBP)"; bName[6]= "Japan (JA2IGY)"; bName[7]= "Russia (RR9O)"; bName[8]= "Hong Kong (VR2B)"; bName[9]= "Sri Lanka (4S7B)"; bName[10]="South Africa (ZS6DN)"; bName[11]="Kenya (5Z4B)"; bName[12]="Israel (4X6TU)"; bName[13]="Finland (OH2B)"; bName[14]="Madeira (CS3B)"; bName[15]="Argentina (LU4AA)"; bName[16]="Peru (OA4B)"; bName[17]="Venezuela (YV5B)"; blx[0] = 437; bly[0] =111; blx[1] = 430; bly[1] =10; blx[2] = 370; bly[2] =100; blx[3] = 304; bly[3] =118; blx[4] = 284; bly[4] =253; blx[5] = 204; bly[5] =227; blx[6] = 232; bly[6] =119; blx[7] = 157; bly[7] =56; blx[8] = 208; bly[8] =140; blx[9] = 152; bly[9] =160; blx[10] = 79; bly[10] =232; blx[11] = 95; bly[11] =185; blx[12] = 90; bly[12] =132; blx[13] = 78; bly[13] =56; blx[14] = 20; bly[14] =128; blx[15] = 455; bly[15] =252; blx[16] = 435; bly[16] =191; blx[17] = 455; bly[17] =166; for (i=0; i<5; i++) daMenu.addItem(fName[i]); add(daMenu); selectedFreq=daMenu.getSelectedIndex(); /** * Set style of date display: 0 = full, 1 = long, 2 = medium, 3 = short **/ dftime = DateFormat.getTimeInstance(DateFormat.MEDIUM, Locale.UK); dfdate = DateFormat.getDateInstance(DateFormat.MEDIUM, locale); dftime.setCalendar(cal); dfdate.setCalendar(cal); timer = new Thread(this); timer.start(); } /** * Draw **/ public void paint(Graphics g) { int s,m,h, bIndex,i,xLoc; String todaydate, todaytime; Dimension size; int[] fIndex = new int[5]; Date now = new Date(); cal.setTime(now); s = (int)cal.get(Calendar.SECOND); m = (int)cal.get(Calendar.MINUTE); h = (int)cal.get(Calendar.HOUR_OF_DAY); bIndex = (int) Math.floor((60*(m%3)+s)/10); for (i=0; i<5; i++) fIndex[i] = ((18-i)+bIndex)%18; todaydate = dfdate.format(now); todaytime = dftime.format(now) + " UTC"; // Erase and redraw the digital time g.drawImage (img, 0,0,null); //g.setColor(Color.cyan); //g.fillRect(0,260,75,40); g.setColor(Color.blue); g.drawString(todaydate, 5, 30); g.drawString(todaytime, 5, 10); //g.setColor(Color.yellow); //g.fillRect(75,0,175,40); selectedFreq=daMenu.getSelectedIndex(); g.setColor(((s%2)==0)? Color.red : Color.yellow); g.fillOval(blx[fIndex[selectedFreq]], bly[fIndex[selectedFreq]], 10, 10); g.setColor(((s%2)==1)? Color.red : Color.yellow); g.fillOval(blx[fIndex[selectedFreq]]+2, bly[fIndex[selectedFreq]]+2, 6, 6); g.setColor(Color.orange); // g.drawOval(blx[fIndex[selectedFreq]]-(s%10), bly[fIndex[selectedFreq]]-(s%10), 11+2*(s%10), 11+2*(s%10)); rings = (rings+16)%100; g.drawOval(blx[fIndex[selectedFreq]]-(rings), bly[fIndex[selectedFreq]]-(rings), 11+rings*2, 11+rings*2); g.setColor(Color.blue); switch (s%10){ case (3):g.drawString(fName[selectedFreq]+": "+bName[fIndex[selectedFreq]]+" 100 W", 190,275); break; case (4):g.drawString(fName[selectedFreq]+": "+bName[fIndex[selectedFreq]]+" 10 W", 190,275); break; case(5):g.drawString(fName[selectedFreq]+": "+bName[fIndex[selectedFreq]]+" 1 W", 190,275); break; case (6):g.drawString(fName[selectedFreq]+": "+bName[fIndex[selectedFreq]]+" 1/10 W", 190,275); break; default:g.drawString(fName[selectedFreq]+": "+bName[fIndex[selectedFreq]], 190,275); break; } g.drawString(fName[selectedFreq]+": "+bName[fIndex[selectedFreq]], 190,275); g.setColor(Color.black); xLoc = 0; for (i=0; i<5; i++){ if (i != selectedFreq) { g.drawString(fName[i]+": "+bName[fIndex[i]], 50+(xLoc%2)*240,285+12*((int)(xLoc/2))); xLoc++; } } } /** * Restart the clock **/ public void start() { img = getImage(getCodeBase(), "world.jpg"); if (timer == null) { timer = new Thread(this); timer.start(); } } /** * Stop the clock **/ public void stop() { timer = null; } /** * Main loop of the thread: sleep, repaint, sleep,... **/ public void run() { while (timer != null) { try {Thread.sleep(sleeptime);} catch (InterruptedException e){} repaint(); } timer = null; } /** * Paint the screen, without first clearing the area **/ public final void update(Graphics theG) { Dimension dim = getSize(); //see if we the size changed or 1st time if ( (offScreenImage==null)|| (dim.width != offScreenSize.width) || (dim.height != offScreenSize.height) ) { offScreenImage= createImage(dim.width, dim.height); offScreenSize = dim; offScreenGraphics = offScreenImage.getGraphics(); } paint(offScreenGraphics);//construct updated image theG.drawImage(offScreenImage, 0, 0, null);//put it on the screen } }