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83 lines
2.7 KiB
83 lines
2.7 KiB
2 months ago
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#!/usr/bin/perl -w
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#
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# $Id: piechart.pl,v 1.4 2004/02/10 17:08:43 jeffo Exp $
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#
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use strict;
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use GD;
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use GD::Text::Align;
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use GD::Graph::pie;
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use GD::Graph::colour qw(:colours);
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use CGI qw(:standard);
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#use Data::Dumper;
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my $xdim = param('xdim');
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if (not $xdim) {$xdim = 500;}
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my $ydim = param('ydim');
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if (not $ydim) {$ydim = 200};
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my $graph = GD::Graph::pie->new($xdim,$ydim);
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my @data = ([map("$_ %",split(/:/,param('values')))],
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[split(/:/,param('values'))],
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);
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my @labels = split(/:/,param('labels'));
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add_colour('decentblue' => [32,112,255]);
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my $colors = $graph->get('dclrs');
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$colors->[2] = 'decentblue';
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#print STDERR Dumper($colors);
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my $maxlen = 0;
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foreach (@labels) {if ($maxlen < length($_)) {$maxlen = length($_);}}
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my $legendwidth = 9*($maxlen+2) + 16 + 32;
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my %opt = ('transparent' => 0,
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'dclrs' => $colors,
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'bgclr' => 'white',
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'fgclr' => 'black',
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'accentclr' => 'black',
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'labelclr' => 'black',
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'textclr' => 'black',
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'l_margin' => 1,
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'b_margin' => 1,
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't_margin' => 1,
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'r_margin' => $legendwidth,
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'3d' => 1,
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'pie_height' => 40,
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'start_angle' => 180);
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if (param('title')) {$opt{'title'} = param('title');}
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if (param('xlabel')) {$opt{'x_label'} = param('xlabel');}
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if (param('ylabel')) {$opt{'y_label'} = param('ylabel');}
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if (param('ymax')) {$opt{'y_max_value'} = param('ymax');}
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if (param('ymin')) {$opt{'y_min_value'} = param('ymin');}
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if (param('yticknum')) {$opt{'y_tick_number'} = param('yticknum');}
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$graph->set(%opt) or die $graph->error;
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#$graph->set_title_font("Helvetica");
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$graph->set_label_font("/var/www/x4/Fonts/verdana.ttf",12);
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#$graph->set_legend_font("/var/www/x4/Fonts/verdana.ttf",10);
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$graph->set_value_font("/var/www/x4/Fonts/verdana.ttf",12);
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my $gd = $graph->plot(\@data) or die $graph->error;
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my $xoff = $xdim - $legendwidth + 8;
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my $yoff = ($ydim - 16*(2*@labels+1))/2;
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#my $deltay = ($ydim - 2*$yoff - 32)/@labels;
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#open(IMG, '>file.png') or die $!;
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my $black = $gd->colorClosest(0,0,0);
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my @gdt = ();
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$gd->rectangle($xoff,$yoff,$xdim-8,$ydim-$yoff,$black);
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for (my $i=0; $i < @labels; $i++) {
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$gd->rectangle($xoff+16,$yoff+16+$i*32,$xoff+32,$yoff+32+$i*32,$black);
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my $color = $gd->colorAllocate(_rgb($colors->[$i]));
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$gd->fill($xoff+24,$yoff+24+$i*32,$color);
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$gdt[$i] = GD::Text::Align->new($gd) or die GD::Text::Align::error();
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if ($gdt[$i]->can_do_ttf()) {
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$gdt[$i]->set_font("/var/www/x4/Fonts/verdana.ttf", 12);
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} else {
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$gdt[$i]->set_font(gdGiantFont);
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}
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$gdt[$i]->set(color => $black);
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$gdt[$i]->set_text($labels[$i]);
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$gdt[$i]->draw($xoff+40, $yoff+32+$i*32, 0);
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#$gd->string(gdGiantFont,$xoff+40,$yoff+18+$i*32,$labels[$i],$black);
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}
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binmode STDOUT;
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print header("image/png");
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print $gd->png;
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