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|
#!/usr/bin/perl
use strict;
use warnings;
use utf8;
use PDF::API2;
use lib "../lib";
use Text::Layout;
use Text::Layout::FontConfig;
eval { require HarfBuzz::Shaper }
or warn("HarfBuzz::Shaper not found. Expect incorrect results!\n");
# Create document and graphics environment.
my $pdf = PDF::API2->new();
$pdf->mediabox( 595, 842 ); # A4
# Set up page and get the text context.
# Markup::Simple *only* uses the text context, and only for rendering.
my $page = $pdf->page;
my $text = $page->text;
# Create a layout instance.
my $layout = Text::Layout->new($pdf);
# Setup the fonts.
setup_fonts();
# Select a font.
my $font = Text::Layout::FontConfig->from_string("AR-PL-New-Sung 60");
$layout->set_font_description($font);
# Start...
my $x = 200;
my $y = 500;
# Left align text.
$layout->set_width(195);
$layout->set_alignment("left");
my $t = "懶惰的姜貓";
# FireFlySung is TTB.
$layout->set_markup($t);
showlayout( $x, $y );
$x = 0;
$y = 700;
$layout->set_width(595);
$font->set_direction('ltr');
showlayout( $x, $y );
# Ship out.
$pdf->saveas("tl_c_04.pdf");
################ Subroutines ################
my $gfx;
sub showlayout {
my ( $x, $y ) = @_;
$layout->show( $x, $y, $text);
$gfx //= $page->gfx;
$layout->showbb($gfx);
}
sub setup_fonts {
# Register all corefonts. Useful for fallback.
# Not required, skip if you have your own fonts.
my $fd = Text::Layout::FontConfig->new;
# $fd->register_corefonts;
# Add font dir and register fonts.
$fd->add_fontdirs( $ENV{HOME}."/.fonts", "/usr/share/fonts/" );
# Add FireFlySung (Chinese). Requires shaping.
$fd->register_font( "fireflysung.ttf",
"AR-PL-New-Sung", "", "",
{ shaping => 1,
language => 'chinese',
direction => 'ttb',
nosubset => 1 } );
}
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