/usr/share/perl5/GD/Graph/cylinder.pm is in libgd-graph3d-perl 0.63-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | # $File: //depot/RG/rg/lib/RG/lib/GD/Graph/cylinder.pm $ $Author: autrijus $
# $Revision: #3 $ $Change: 370 $ $DateTime: 2002/07/17 20:38:38 $
package GD::Graph::cylinder;
use strict;
use GD::Graph::axestype3d;
use GD::Graph::utils qw(:all);
use GD::Graph::colour qw(:colours);
use base qw/GD::Graph::bars3d/;
$GD::Graph::cylinder::VERSION = '0.63';
my %Defaults = (
# Spacing between the bars
bar_spacing => 0,
# The 3-d extrusion depth of the bars
bar_depth => 10,
);
sub initialise
{
my $self = shift;
my $rc = $self->SUPER::initialise();
$self->set(correct_width => 1);
while( my($key, $val) = each %Defaults ) {
$self->{$key} = $val
} # end while
return $rc;
} # end initialise
sub draw_bar_h {
my $self = shift;
my $g = shift;
my( $l, $t, $r, $b, $dsci, $brci, $neg ) = @_;
my $fnord = $g->colorAllocate(0,0,0);
my $depth = $self->{bar_depth};
my ($lighter, $darker) = ($dsci, $dsci);
if ($self->{'3d_shading'}) {
$lighter = $self->{'3d_highlights'}[$dsci];
$darker = $self->{'3d_shadows'}[$dsci];
}
$g->line($l+$depth, $t+1, $r+$depth, $t+1, $dsci);
$g->line($l+$depth, $b, $r+$depth, $b, $dsci);
$g->arc($r+$depth, ($t+$b)/2, $depth*2, ($b-$t), 270, 90, $dsci);
$g->arc($l+$depth, ($t+$b)/2, $depth*2, ($b-$t), 90, 270, $dsci);
# find border
my $foo = $l+$depth;
--$foo
until $foo == $l || $g->getPixel($foo, $t+($b-$t)/5) == $dsci;
my $bar = $foo+1;
++$bar
until $bar == $foo || $g->getPixel($bar, $t+($b-$t)/5) == $dsci;
$g->line($foo, $t+($b-$t)/5, $bar, $t+($b-$t)/5, $dsci);
$g->line($foo, $b-($b-$t)/5, $bar, $b-($b-$t)/5, $dsci);
$g->fillToBorder($l+$depth, ($t+$b)/2, $dsci, $dsci);
$g->arc($l+$depth, ($b+$t)/2, $depth*2, ($b-$t), 90, 270, $dsci);
if ($foo < $bar + 3) {
$g->fillToBorder(($l+$r)/2+$depth, $t+($b-$t)/5-1, $dsci, $lighter)
unless $g->getPixel(($l+$r)/2+$depth, $t+($b-$t)/5-1) == $dsci;
$g->fillToBorder(($l+$r)/2+$depth, $b-($b-$t)/5+1, $dsci, $darker)
unless $g->getPixel(($l+$r)/2+$depth, $b-($b-$t)/5+1) == $dsci;
$g->fillToBorder(($l+$r)/2, ($t+$b)/2, $dsci, $dsci);
}
$g->arc($l+$depth, ($b+$t)/2, $depth*2, ($b-$t), 90, 270, $brci);
$g->arc($r+$depth, ($b+$t)/2, $depth*2, ($b-$t), 0, 360, $brci);
$g->line($l+$depth, $t+1, $r+$depth, $t+1, $brci);
$g->line($l+$depth, $b, $r+$depth, $b, $brci);
$g->fillToBorder($r+$depth, ($b+$t)/2, $brci, $dsci);
}
sub draw_bar {
my $self = shift;
return $self->draw_bar_h(@_) if $self->{rotate_chart};
my $g = shift;
my( $l, $t, $r, $b, $dsci, $brci, $neg ) = @_;
my $fnord = $g->colorAllocate(0,0,0);
my $depth = $self->{bar_depth};
my ($lighter, $darker) = ($dsci, $dsci);
if ($self->{'3d_shading'}) {
$lighter = $self->{'3d_highlights'}[$dsci];
$darker = $self->{'3d_shadows'}[$dsci];
}
$g->line($l+1, $t-$depth, $l+1, $b-$depth, $dsci);
$g->line($r, $t-$depth, $r, $b-$depth, $dsci);
$g->arc(($l+$r)/2, $t-$depth, ($r-$l), $depth*2, 180, 360, $dsci);
$g->arc(($l+$r)/2, $b-$depth, ($r-$l), $depth*2, 0, 180, $dsci);
# find border
my $foo = $b-$depth+1;
++$foo
until $foo == $b || $g->getPixel($l+($r-$l)/5,$foo) == $dsci;
my $bar = $foo-1;
--$bar
until $bar == $foo || $g->getPixel($l+($r-$l)/5,$bar) == $dsci;
$g->line($l+($r-$l)/5, $bar, $l+($r-$l)/5, $foo, $dsci);
$g->line($r-($r-$l)/5, $bar, $r-($r-$l)/5, $foo, $dsci);
$g->fillToBorder(($l+$r)/2, $t-$depth, $dsci, $dsci);
$g->arc(($l+$r)/2, $b-$depth, ($r-$l), $depth*2, 0, 180, $dsci);
if ($foo > $bar + 3) {
$g->fillToBorder($l+($r-$l)/5-1, ($foo+$bar)/2, $dsci, $lighter)
unless $g->getPixel($l+($r-$l)/5-1, ($foo+$bar)/2) == $dsci;
$g->fillToBorder($r-($r-$l)/5+1, ($foo+$bar)/2, $dsci, $darker)
unless $g->getPixel($r-($r-$l)/5+1, ($foo+$bar)/2) == $dsci;
$g->fillToBorder(($l+$r)/2, ($t+$b)/2, $dsci, $dsci);
}
$g->arc(($l+$r)/2, $b-$depth, ($r-$l), $depth*2, 0, 180, $brci);
$g->arc(($l+$r)/2, $t-$depth, ($r-$l), $depth*2, 0, 360, $brci);
$g->line($l+1, $t-$depth, $l+1, $b-$depth, $brci);
$g->line($r, $t-$depth, $r, $b-$depth, $brci);
$g->fillToBorder(($l+$r)/2, $t-$depth, $brci, $dsci);
}
1;
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