1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#! perl
use strict;
use warnings;
use utf8;
use Test::More;
if ( eval { require PDF::Builder } ) {
if ( $PDF::Builder::VERSION eq '3.018' ) {
plan skip_all => "PDF::Builder incompatible version";
}
else {
plan tests => 31;
}
}
else {
plan skip_all => "PDF::Builder not installed";
}
#### All this has been tested.
# Create PDF document, with a page and text content.
my $pdf = PDF::Builder->new;
$pdf->mediabox( 595, 842 ); # A4
my $page = $pdf->page;
my $text = $page->text;
# Create a layout.
require Text::Layout::PDFAPI2;
my $layout = Text::Layout::PDFAPI2->new($pdf);
# Create a FontConfig.
require Text::Layout::FontConfig;
my $fc = Text::Layout::FontConfig->new;
# Register some (core) fonts.
$fc->register_font( "Times-Roman", "Serif" );
$fc->register_font( "Times-Bold", "Serif", "Bold" );
$fc->register_font( "Times-Italic", "Serif", "Italic" );
$fc->register_font( "Times-BoldItalic", "Serif", "BoldItalic" );
# Lookup a font by description.
my $fd = $fc->from_string("Serif 20");
#### End pre-tested setup.
# Apply the font to the layout.
$layout->set_font_description($fd);
is( $layout->get_font_description->to_string, "Serif 20", "Font desc");
# Put some text in the layout.
$layout->set_markup("The quick brows fox");
# Get baseline. Since we're working top-left this is a negative value.
my $v = $layout->get_baseline;
fuzz( $v, -13.66, "baseline $v" );
$v = $layout->get_iter->get_baseline;
fuzz( $v, -13.66, "baseline $v" );
# Get width/height.
my @a = $layout->get_pixel_size;
fuzz( $a[0], 166.08, "pixel_size width $a[0]" );
fuzz( $a[1], 18.00, "pixel_size height $a[1]" );
my $a = $layout->get_pixel_size;
fuzz( $a->{width}, 166.08, "pixel_size width $a->{width}" );
fuzz( $a->{height}, 18.00, "pixel_size height $a->{height}" );
# get_size should return the same, since we're not using Pango units.
@a = $layout->get_size;
fuzz( $a[0], 166.08, "size width" );
fuzz( $a[1], 18.00, "size height" );
$a = $layout->get_size;
fuzz( $a->{width}, 166.08, "size width" );
fuzz( $a->{height}, 18.00, "size height" );
# Get extents
my @ink = qw( ink layout );
my @fields = qw( x y width height );
# Subtracting height from y was introduced in 0.028.
my $res = { x => 0.00, y => -18.00, width => 166.08, height => 18.00 };
# This case cannot calculate ink.
my $ink = $res;
my $inkres = [ $res, $ink ];
# Scalar call should yield layout values.
$a = $layout->get_pixel_extents;
for my $f ( @fields ) {
fuzz( $a->{$f}, $res->{$f},
"pixel_extents @{[$ink[1]]} $f @{[$a->{$f}]}" );
}
# List call should yield [ res ink ].
@a = $layout->get_pixel_extents;
for ( 0, 1 ) {
my $a = $a[$_];
for my $f ( @fields ) {
fuzz( $a->{$f}, $inkres->[$_]{$f},
"pixel_extents[$_] @{[$ink[$_]]} $f @{[$a->{$f}]}" );
}
}
# Same, using Pango units (but we do not).
@a = $layout->get_extents;
for ( 0, 1 ) {
my $a = $a[$_];
for my $f ( @fields ) {
fuzz( $a->{$f}, $inkres->[$_]{$f},
"extents[$_] @{[$ink[$_]]} $f @{[$a->{$f}]}" );
}
}
# Big bang?
$layout->show( 100, 500, $text );
sub fuzz { ok( $_[0] < $_[1]+0.01 && $_[0] > $_[1]-0.01, $_[2] ) }
|
