1#!/usr/bin/perl
2# $Id: pdfclock.cgi.pl 14574 2005-10-29 16:27:43Z bonefish $
3#
4# PDFlib client: pdfclock CGI example in Perl
5#
6
7use pdflib_pl 5.0;
8
9$RADIUS = 200.0;
10$MARGIN = 20.0;
11
12$p = PDF_new();
13
14PDF_open_file($p, "");
15
16# This line is required to avoid problems on Japanese systems
17PDF_set_parameter($p, "hypertextencoding", "winansi");
18
19PDF_set_info($p, "Creator", "pdfclock.cgi.pl");
20PDF_set_info($p, "Author", "Thomas Merz");
21PDF_set_info($p, "Title", "PDF clock (Perl/CGI)");
22
23PDF_begin_page($p, 2 * ($RADIUS + $MARGIN), 2 * ($RADIUS + $MARGIN));
24
25PDF_translate($p, $RADIUS + $MARGIN, $RADIUS + $MARGIN);
26PDF_setcolor($p, "fillstroke", "rgb", 0.0, 0.0, 1.0, 0.0);
27PDF_save($p);
28
29# minute strokes
30PDF_setlinewidth($p, 2.0);
31for ($alpha = 0; $alpha < 360; $alpha += 6)
32{
33    PDF_rotate($p, 6.0);
34    PDF_moveto($p, $RADIUS, 0.0);
35    PDF_lineto($p, $RADIUS-$MARGIN/3, 0.0);
36    PDF_stroke($p);
37}
38
39PDF_restore($p);
40PDF_save($p);
41
42# 5 minute strokes
43PDF_setlinewidth($p, 3.0);
44for ($alpha = 0; $alpha < 360; $alpha += 30)
45{
46    PDF_rotate($p, 30.0);
47    PDF_moveto($p, $RADIUS, 0.0);
48    PDF_lineto($p, $RADIUS-$MARGIN, 0.0);
49    PDF_stroke($p);
50}
51
52($tm_sec,$tm_min,$tm_hour) = localtime(time);
53
54# draw hour hand
55PDF_save($p);
56PDF_rotate($p, (-(($tm_min/60.0) + $tm_hour - 3.0) * 30.0));
57PDF_moveto($p, -$RADIUS/10, -$RADIUS/20);
58PDF_lineto($p, $RADIUS/2, 0.0);
59PDF_lineto($p, -$RADIUS/10, $RADIUS/20);
60PDF_closepath($p);
61PDF_fill($p);
62PDF_restore($p);
63
64# draw minute hand
65PDF_save($p);
66PDF_rotate($p, (-(($tm_sec/60.0) + $tm_min - 15.0) * 6.0));
67PDF_moveto($p, -$RADIUS/10, -$RADIUS/20);
68PDF_lineto($p, $RADIUS * 0.8, 0.0);
69PDF_lineto($p, -$RADIUS/10, $RADIUS/20);
70PDF_closepath($p);
71PDF_fill($p);
72PDF_restore($p);
73
74# draw second hand
75PDF_setcolor($p, "fillstroke", "rgb", 1.0, 0.0, 0.0, 0.0);
76PDF_setlinewidth($p, 2);
77PDF_save($p);
78PDF_rotate($p, -(($tm_sec - 15.0) * 6.0));
79PDF_moveto($p, -$RADIUS/5, 0.0);
80PDF_lineto($p, $RADIUS, 0.0);
81PDF_stroke($p);
82PDF_restore($p);
83
84# draw little circle at center
85PDF_circle($p, 0, 0, $RADIUS/30);
86PDF_fill($p);
87
88PDF_restore($p);
89PDF_end_page($p);
90
91PDF_close($p);
92
93$buf = PDF_get_buffer($p);
94
95# the following is required on Windows systems
96binmode(STDOUT);
97
98print "Content-Type: application/pdf\n";
99print "Content-Length: " . length($buf) . "\n";
100print "Content-Disposition: inline; filename=" . "pdfclock.cgi.pl.pdf" . "\n\n";
101print $buf;
102
103PDF_delete($p);
104