GD::Graph

use strict;
use GD::Graph::mixed;
require 'save.pl';

print STDERR "Processing sample71\n";

my @data = (
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[ 1, 2, 5, 6, 3, 1.5, -1, -3, -4],
[ -4, -3, 1, 1, -3, -1.5, -2, -1, 0],
[ 9, 8, 9, 8.4, 7.1, 7.5, 8, 3, -3],
[ 0.1, 0.2, 0.5, 0.4, 0.3, 0.5, 0.1, 0, 0.4],
[ -0.1, 2, 5, 4, -3, 2.5, 3.2, 4, -4],
);
my ($width, $height) = (500, 400);
my $my_graph = new GD::Graph::mixed($width, $height);

$my_graph->set(
types => [ qw( lines bars points area linespoints ) ],
default_type => 'points',
);

$my_graph->set(

x_label => 'X Label',
y_label => 'Y label',
title => 'Mixed Type and TTF',

y_max_value => 10,
y_min_value => -5,
y_tick_number => 3,
y_label_skip => 1,
x_plot_values => 1,
y_plot_values => 1,

long_ticks => 1,
x_ticks => 0,
x_labels_vertical => 1,

legend_marker_width => 24,
line_width => 3,
marker_size => 5,

bar_spacing => 6,

legend_placement => 'RC',

transparent => 0,
);

$my_graph->set_title_font('../Dustismo_Sans.ttf', 18);
$my_graph->set_x_label_font('../Dustismo_Sans.ttf', 10);
$my_graph->set_y_label_font('../Dustismo_Sans.ttf', 10);
$my_graph->set_x_axis_font('../Dustismo_Sans.ttf', 8);
$my_graph->set_y_axis_font('../Dustismo_Sans.ttf', 8);
$my_graph->set_legend_font('../Dustismo_Sans.ttf', 9);

$my_graph->set_legend( qw( one two three four five six ) );

# Put some background text in, but only if we have TTF support

if ($my_graph->can_do_ttf)
{
my $gd = $my_graph->gd;
my $white = $gd->colorAllocate(255,255,255);
my $pink = $gd->colorAllocate(255,240,240);
my $gdta;

$gdta = GD::Text::Align->new($gd,
text => 'GD::Graph',
font => '../Dustismo_Sans.ttf',
ptsize => 72,
colour => $pink,
valign => 'center',
halign => 'center',
) or warn $gdta->error;

$gdta->draw($width/2, $height/2, atan2($height, $width));
}

$my_graph->plot(\@data);

# Use a hotspot to draw some extra text on the chart
# XXX This doesn't work nicely. Need a nicer way to get the maximum.
if (1) {
my $gd = $my_graph->gd;
my $red = $gd->colorResolve(255,0,0);
my @l = $my_graph->get_hotspot(1, 3);
my ($x, $y) = ( ($l[1] + $l[3])/2, ($l[2] + $l[4])/2 );
my $gdta;

$gdta = GD::Text::Align->new($gd,
text => 'maximum',
font => ['../Dustismo_Sans.ttf', GD::Font->Small],
ptsize => 12,
colour => $red,
valign => 'bottom',
halign => 'center',
) or warn $gdta->error;

$gdta->draw($x, $y + 2);
}


save_chart($my_graph, 'sample71');