+#!perl -w
+use strict;
+use Imager::Graph::Bar;
+use lib 't/lib';
+use Imager::Font::Test;
+use Test::More;
+
+-d 'testout'
+ or mkdir "testout", 0700
+ or die "Could not create output directory: $!";
+
+++$|;
+
+use Imager qw(:handy);
+
+plan tests => 3;
+
+my @warned;
+local $SIG{__WARN__} =
+ sub {
+ print STDERR $_[0];
+ push @warned, $_[0]
+ };
+
+
+#my $fontfile = 'ImUgly.ttf';
+#my $font = Imager::Font->new(file=>$fontfile, type => 'ft2', aa=>1)
+# or plan skip_all => "Cannot create font object: ",Imager->errstr,"\n";
+my $font = Imager::Font::Test->new();
+
+my @data = ( 100, 180, 80, 20, 2, 1, 0.5 );
+my @labels = qw(alpha beta gamma delta epsilon phi gi);
+
+my $column = Imager::Graph::Bar->new();
+$column->set_font($font);
+ok($column, "creating column chart object");
+
+$column->add_data_series(\@data);
+$column->set_labels(\@labels);
+
+my $img1 = $column->draw();
+ok($img1, "drawing column chart");
+
+$img1->write(file=>'testout/t14_bar.ppm') or die "Can't save img1: ".$img1->errstr."\n";
+cmpimg($img1, 'testimg/t14_bar.ppm', 1);
+
+unless (is(@warned, 0, "should be no warnings")) {
+ diag($_) for @warned;
+}
+
+sub cmpimg {
+ my ($img, $file, $limit) = @_;
+
+ $limit ||= 10000;
+
+ my $cmpimg = Imager->new;
+ $cmpimg->read(file=>$file)
+ or return ok(0, "Cannot read $file: ".$cmpimg->errstr);
+ my $diff = Imager::i_img_diff($img->{IMG}, $cmpimg->{IMG});
+ cmp_ok($diff, '<', $limit, "Comparison to $file ($diff)");
+}
+
projects / imager-graph.git / commitdiff