#!/usr/bin/perl
#################################################################
# Author Joseph Harnish big_joe1008@yahoo.com #
# Date 5/1/2001 #
# #
# This script is a wrapper for GD::Graph::Bars for use on #
# web pages. It is a quicky that is used inside of an #
# IFRAME.
+ #
# #
# Usage: piegraph.pl?cols=A,B,C&vals=1,2,3 #
# It is required to have a "cols" and a "vals" but there are #
# options you can also add. These options are: #
+
# title
+ #
#################################################################
use GD::Graph::pie;
use CGI;
my $q = new CGI;
my $cols = $q->param("cols");
my $title = $q->param("title");
my $vals = $q->param("vals");
my @col = split(/\,/, $cols);
my @val = split(/\,/, $vals);
my $temp;
# Test the values comming in.
foreach (@val) {
$temp += $_;
}
if($temp != 100){
print $q->header;
print "<h1>Error: The values must add up to 100</h1>Your total was
+$temp<br>\n";
exit;
}
if($#col != $#val){
print $q->header;
print "<b><h1>Error: Parameters are not balanced</h1></b>";
exit;
}
#create and display the graph
my $graph = new GD::Graph::pie(200,200);
my @data = ([@col], [@val]);
$graph->set(title => "$title") if($title ne '');
$graph->set_label_font('ARIAL.TTF', 24);
$graph->set_value_font('ARIAL.TTF', 24);
print $q->header("image/png");
binmode STDOUT;
print $graph->plot(\@data)->png;
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