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#!/usr/bin/perl -w
#
# $Id: Bbox.t,v 1.3 2004-05-26 20:32:45 mertz Exp $
# Author: Christophe Mertz
#
# testing all the import
BEGIN {
if (!eval q{
use Test::More tests => 8;
1;
}) {
print "# tests only work properly with installed Test::More module\n";
print "1..1\n";
print "ok 1\n";
exit;
}
if (!eval q{
use Tk::Zinc;
use Tk::Font;
1;
}) {
print "unable to load Tk::Zinc";
print "1..1\n";
print "ok 1\n";
exit;
}
if (!eval q{
MainWindow->new();
1;
}) {
print "# tests only work properly when it is possible to create a mainwindow in your env\n";
print "1..1\n";
print "ok 1\n";
exit;
}
}
$mw = MainWindow->new();
$zinc = $mw->Zinc(-width => 400, -height => 400)->pack;
like ($zinc, qr/^Tk::Zinc=HASH/ , "zinc has been created");
my $coords = [ [10,10], [40, 40] ];
my $font = $zinc->fontCreate('font20pixels', -size => -20);
#my @metrics = $zinc->fontMetrics('font20pixels');
#print "metrics = @metrics\n";
my $linespace = $zinc->fontMetrics('font20pixels', -linespace);
my $txt1 = $zinc->add('text', 1,
-font => 'font20pixels',
-alignment => 'center',
#-text => 'text', # an empty text
-position => [30,25],
);
#print "bbox=(", join(',', $zinc->bbox($txt1)),")\n";
ok(&similarFlatArray ([$zinc->bbox($txt1)],
[30,25, 30,25+$linespace],
[4, 4, 4, 4],
),
"bbox of empty text");
my $width = $zinc->fontMeasure('font20pixels', 'dummy');
#print "width = $width\n";
my $txt2 = $zinc->add('text', 1,
-font => 'font20pixels',
-alignment => 'left',
-text => 'dummy',
-position => [200,100],
);
# print "bbox=(", join(',', $zinc->bbox($txt2)),")\n";
ok(&similarFlatArray ([$zinc->bbox($txt2)],
[200,100, 200+$width, 100+$linespace],
[4,4, 4,4 ],
),
"bbox of 'dummy' text");
my $txt3 = $zinc->add('text', 1,
-font => 'font20pixels',
-alignment => 'center',
-text => 'dummy',
-position => [200,200],
);
# print "bbox=(", join(',', $zinc->bbox($txt3)),")\n";
ok(&similarFlatArray ([$zinc->bbox($txt3)],
[200,200, 200+$width, 200+$linespace],
[4,4, 4,4 ],
),
"bbox of 'dummy' aligned-centered text");
my $txt4 = $zinc->add('text', 1,
-font => 'font20pixels',
-anchor => 'center',
-text => 'dummy',
-position => [200,100],
);
# print "bbox=(", join(',', $zinc->bbox($txt4)),")\n";
ok(&similarFlatArray ([$zinc->bbox($txt4)],
[200-$width/2,100-$linespace/2, 200+$width/2, 100+$linespace/2],
[4,4, 4,4 ],
),
"bbox of 'dummy' centered text");
### testing bbox of fields or labels of track/waypoint and tabular items
my $track = $zinc->add('track', 1, 4, -position => [56, 78]);
print "bbox=(", join(',', $zinc->bbox(-label, $track)),")\n";
is_deeply ([ $zinc->bbox(-label, $track) ],
[ ],
"bbox of a track label without labelformat");
#print "bbox=(", join(',', $zinc->bbox(-field, 2, $track)),")\n";
is_deeply ([ $zinc->bbox(-field, 2, $track) ],
[ ],
"bbox of a track field without labelformat");
$zinc->itemconfigure($track, -labelformat => 'x20x18+0+0');
#print "bbox=(", join(',', $zinc->bbox(-label, $track)),")\n";
#print "bbox=(", join(',', $zinc->bbox(-field, 4, $track)),")\n";
is_deeply ([ $zinc->bbox(-field, 4, $track) ],
[ ],
"bbox of a empty track field");
# my $wpt = $zinc->add('waypoint', 1, 0, -position => [561, 781]);
# is_deeply([ $zinc->coords($wpt) ],
# [ 561,781 ],
# "coords of a waypoint");
# my $tab = $zinc->add('tabular', 1, 1, -position => [61, 81]);
# is_deeply([ $zinc->coords($tab) ],
# [ 61,81 ],
# "coords of a empty tabular");
# $zinc->itemconfigure($tab, -labelformat => 'x20x18+0+0');
# is_deeply([ $zinc->coords($tab) ],
# [ 61,81 ],
# "coords of a tabular with a labelformat");
sub similarPoints {
my ($ref1, $ref2)= @_;
diag ("waiting a reference for \$ref1" . ref ($ref1)), return 0 unless ref ($ref1) eq 'ARRAY';
diag ("waiting a reference for \$ref2"), return 0 unless ref ($ref2) eq 'ARRAY';
my @array1 = @{$ref1};
my @array2 = @{$ref2};
diag ("arrays for \$ref1 and \$ref2 are not of same length"), return 0
unless scalar @array1 == @array2;
for my $i (0.. $#array1) {
my $pt1 = $array1[$i];
my $pt2 = $array2[$i];
diag ("waiting a reference to a point in elt $i \$ref1"), return 0
unless ref $pt1 eq 'ARRAY';
my (@pt1) = @{$pt1};
diag ("waiting a reference to a point (x,y) in elt $i \$ref1"), return 0
unless scalar @pt1 == 2 and &numerical($pt1[0]) and &numerical($pt1[1]) ;
diag ("waiting a reference to a point in elt $i \$ref1"), return 0
unless ref $pt2 eq 'ARRAY';
my (@pt2) = @{$pt2};
diag ("waiting a reference to a point (x,y) in elt $i \$ref2"), return 0
unless scalar @pt2 == 2 and &numerical($pt2[0]) and &numerical($pt2[1]) ;
diag ("delta > 0.001 between x of pt$i"), return 0 if abs($pt1[0]-$pt2[0]) > 0.001;
diag ("delta > 0.001 between y of pt$i"), return 0 if abs($pt1[1]-$pt2[1]) > 0.001;
}
return 1;
}
## ref1 is the obtained array
## ref2 is the expected array
sub similarFlatArray {
my ($ref1, $ref2, $deltaref)= @_;
diag ("waiting a reference for \$ref1"), return 0 unless ref ($ref1) eq 'ARRAY';
diag ("waiting a reference for \$ref2"), return 0 unless ref ($ref2) eq 'ARRAY';
diag ("waiting a reference for \$deltaref"), return 0 unless ref ($deltaref) eq 'ARRAY';
my @array1 = @{$ref1};
my @array2 = @{$ref2};
my @deltaarray = @{$deltaref};
diag ("arrays obtained, expected and deltas are not of same length,".$#array1.",".$#array2.",".$#deltaarray), return 0
unless ($#array1 == $#array2) and ($#array2 == $#deltaarray);
for my $i (0.. $#array1) {
my $a = $array1[$i];
my $b = $array2[$i];
my $delta = $deltaarray[$i];
diag ("waiting a numeric value for elt $i of obtained array"), return 0
unless &numerical($a);
diag ("waiting a numeric value for elt $i of expected array"), return 0
unless &numerical($b);
diag ("waiting a numeric value for elt $i of deltas array"), return 0
unless &numerical($delta);
diag ("delta > $delta between elt $i of obtained array ($a) and expected array ($b)"), return 0
if (abs($a-$b) > $delta) ;
}
return 1;
}
sub numerical {
my ($v) = @_;
return 0 unless defined $v;
### this really works!!
return $v eq $v*1;
}
diag("############## bbox test");
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