#!/usr/bin/perl

use strict;
use warnings;

use lib '../lib';
use PDF::Builder;
use PDF::Builder::Util;
use PDF::Builder::Content;

#my $compress = 'none'; # uncompressed streams
my $compress = 'flate'; # compressed streams

my ($str);

# create a "Hello World!" PDF called BASE
my $pdf = PDF::Builder->new(-compress => $compress);
my $f1 = $pdf->corefont('Verdana');

my $page = $pdf->page();
$page->mediabox(595,842);
my $text = $page->text();
$text->textlabel(50,780, $f1, 20, "Hello World!");

$pdf->saveas("$0.BASE.pdf");
$pdf->end();

# open and read BASE, rewrite "Hello World! (2)", save as UPDATED
$pdf = PDF::Builder->open("$0.BASE.pdf", -compress => $compress);
$f1 = $pdf->corefont('Verdana');

$page = $pdf->page();
$page->mediabox(595,842);
$text = $page->text();
$text->textlabel(50,780, $f1, 20, "Hello World! (2)");

$pdf->saveas("$0.UPDATED.pdf");
$pdf->end();

# open and read UPDATED, rewrite "Hello World! (3)", save as string $str
$pdf = PDF::Builder->open("$0.UPDATED.pdf", -compress => $compress);
$f1 = $pdf->corefont('Verdana');

$page = $pdf->page();
$page->mediabox(595,842);
$text = $page->text();
$text->textlabel(50,780, $f1, 20, "Hello World! (3)");

$str = $pdf->stringify();
$pdf->end();

# open and read string $str, rewrite "Hello World! (4)", save as STRING
$pdf = PDF::Builder->open_scalar($str, -compress => $compress);
$f1 = $pdf->corefont('Verdana');

$page = $pdf->page();
$page->mediabox(595,842);
$text = $page->text();
$text->textlabel(50,780, $f1, 20, "Hello World! (4)");

$pdf->saveas("$0.STRING.pdf");
$pdf->end();

exit;

__END__