/* $Id: pdfclock.java,v 1.18 2004/05/17 12:58:14 rp Exp $
*
* PDFlib client: pdfclock example in Java
*/
import java.io.*;
import java.text.*; // SimpleDateFormat
import java.util.*; // Date
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
public class pdfclock
{
public static void main (String argv[])
{
pdflib p = null;
int tm_hour, tm_min, tm_sec, alpha;
float RADIUS = 200.0f;
float MARGIN = 20.0f;
SimpleDateFormat format;
Date now = new Date();
try{
p = new pdflib();
if (p.begin_document("pdfclock.pdf", "") == -1) {
throw new Exception("Error: " + p.get_errmsg());
}
p.set_info("Creator", "pdfclock.java");
p.set_info("Author", "Thomas Merz");
p.set_info("Title", "PDF clock (Java)");
p.begin_page_ext( (int) (2 * (RADIUS + MARGIN)),
(int) (2 * (RADIUS + MARGIN)), "");
p.translate(RADIUS + MARGIN, RADIUS + MARGIN);
p.setcolor("fillstroke", "rgb", 0.0f, 0.0f, 1.0f, 0.0f);
p.save();
// minute strokes
p.setlinewidth(2.0f);
for (alpha = 0; alpha < 360; alpha += 6)
{
p.rotate(6.0f);
p.moveto(RADIUS, 0.0f);
p.lineto(RADIUS-MARGIN/3, 0.0f);
p.stroke();
}
p.restore();
p.save();
// 5 minute strokes
p.setlinewidth(3.0f);
for (alpha = 0; alpha < 360; alpha += 30)
{
p.rotate(30.0f);
p.moveto(RADIUS, 0.0f);
p.lineto(RADIUS-MARGIN, 0.0f);
p.stroke();
}
format = new SimpleDateFormat("hh");
tm_hour= Integer.parseInt(format.format(now));
format = new SimpleDateFormat("mm");
tm_min = Integer.parseInt(format.format(now));
format = new SimpleDateFormat("ss");
tm_sec = Integer.parseInt(format.format(now));
// draw hour hand
p.save();
p.rotate((-((tm_min/60.0f) + tm_hour - 3.0f) * 30.0f));
p.moveto(-RADIUS/10, -RADIUS/20);
p.lineto(RADIUS/2, 0.0f);
p.lineto(-RADIUS/10, RADIUS/20);
p.closepath();
p.fill();
p.restore();
// draw minute hand
p.save();
p.rotate((-((tm_sec/60.0f) + tm_min - 15.0f) * 6.0f));
p.moveto(-RADIUS/10, -RADIUS/20);
p.lineto(RADIUS * 0.8f, 0.0f);
p.lineto(-RADIUS/10, RADIUS/20);
p.closepath();
p.fill();
p.restore();
// draw second hand
p.setcolor("fillstroke", "rgb", 1.0f, 0.0f, 0.0f, 0.0f);
p.setlinewidth(2);
p.save();
p.rotate(-((tm_sec - 15.0f) * 6.0f));
p.moveto(-RADIUS/5, 0.0f);
p.lineto(RADIUS, 0.0f);
p.stroke();
p.restore();
// draw little circle at center
p.circle(0f, 0f, RADIUS/30);
p.fill();
p.restore();
p.end_page_ext("");
p.end_document("");
} catch (PDFlibException e) {
System.err.print("PDFlib exception occurred in pdfclock sample:\n");
System.err.print("[" + e.get_errnum() + "] " + e.get_apiname() +
": " + e.get_errmsg() + "\n");
} catch (Exception e) {
System.err.println(e.getMessage());
} finally {
if (p != null) {
p.delete();
}
}
}
}