#!/usr/bin/perl -w
+use 5.20.0;
use strict;
+use utf8;
+use warnings qw(all);
use File::Basename;
+use File::LibMagic;
+use Getopt::Long;
use PDF::API2;
use YAML;
-my $metafile = $ARGV[0];
+my $help = '';
+my $genmeta = '';
+my $preview = '';
+my $crop = '';
+my $stitch = '';
-die "Please specify a .pdf.stitch to process!\n" unless defined $metafile;
-die "Can't open $metafile!\n" unless -r $metafile;
+Getopt::Long::Configure("bundling");
-my $meta = YAML::LoadFile($metafile);
-my $width = $meta->{width} * $meta->{columns};
-my $height = $meta->{height} * $meta->{rows};
+my $usage = <<ENDUSAGE;
+pdfstitch - Copyright (C) 2017 by Jakob Haufe <sur5r\@sur5r.net>
-my $inpdf = PDF::API2->open($meta->{input});
-my $outpdf = PDF::API2->new();
+Usage: $0 [-hgpcs] [--genmeta] [--preview] [--crop] [--stitch] {PDF file|.stitch file}
-my $page = $outpdf->page();
+ -h, --help Display this message
+ -g, --genmeta Generate .stitch file for stitching based on given PDF
+ (default when called with a PDF)
+ -p, --preview Generate preview PDF containing overlays to analyze
+ cropping
+ -c, --crop Generate cropped PDF according to given .stitch
+ -s, --stitch Generate stitched PDF
+ (default when called with a .stitch file)
-$page->mediabox($width + 100, $height + 100);
+pdfstitch is free software under the GNU AGPL version 3. See LICENSE for details.
+ENDUSAGE
-my $content = $page->gfx();
-my $column = 1;
-my $row = 1;
+GetOptions
+(
+ 'h|help' => \$help,
+ 'g|genmeta' => \$genmeta,
+ 'p|preview' => \$preview,
+ 'c|crop' => \$crop,
+ 's|stitch' => \$stitch
+) or die "Call with --help to see available options.\n";
-foreach my $nr (@{$meta->{pageorder}})
+die $usage if $help;
+
+die "--genmeta can not be combined with other actions!\n" if($genmeta and ($preview or $crop or $stitch));
+
+die "No input file specified!\n" unless $ARGV[0];
+
+my $infile = $ARGV[0];
+
+die "$infile does not exist!\n" unless -e $infile;
+die "$infile is not readable!\n" unless -r $infile;
+
+if(not ($genmeta or $preview or $crop or $stitch))
{
- if($nr ne "blank")
+ my $magic = File::LibMagic->new();
+
+ my $info = $magic->info_from_filename($infile);
+ if($info->{mime_type} eq "application/pdf")
{
- my $xo = $outpdf->importPageIntoForm($inpdf, $nr);
-
- my ($llx, $lly, $urx, $ury);
- $llx = $meta->{x} + $meta->{pageoffsets}->{$nr}->{x};
- $lly = $meta->{y} + $meta->{pageoffsets}->{$nr}->{y};
- $urx = $llx + $meta->{width};
- $ury = $lly + $meta->{height};
- $xo->bbox($llx, $lly, $urx, $ury);
-
- my $xpos = ($column - 1) * $meta->{width};
- my $ypos = $height - ($row * $meta->{height});
- $content->formimage($xo, $xpos, $ypos);
+ print "Detected PDF, turning on --genmeta\n";
+ $genmeta = 1;
}
- $column++;
- if($column > $meta->{columns})
+ elsif ($info->{mime_type} eq "text/plain")
+ {
+ YAML::LoadFile($infile) or die "Failed to parse $infile as YAML!\n";
+ print "Detected YAML, turning on --stitch\n";
+ $stitch = 1;
+ }
+ else
+ {
+ die "$infile has unsupported type: $info->{mime_type}\n";
+ }
+}
+
+if($genmeta)
+{
+ print "Generating meta file for " . basename($infile) . ".\n";
+ my $outfile = basename($infile) . ".stitch";
+
+ die "$outfile exists, aborting!\n" if -e $outfile;
+
+
+ my $pdf = PDF::API2->open($infile);
+
+ my $page = $pdf->openpage(1);
+ my ($llx, $lly, $urx, $ury) = $page->get_mediabox;
+
+ my $meta = {
+ input => basename($infile),
+ x => (($urx - $llx)*0.1)/2,
+ y => (($ury - $lly)*0.1)/2,
+ width => ($urx - $llx)*0.9,
+ height => ($ury - $lly)*0.9,
+ columns => int(sqrt($pdf->pages)),
+ rows => int(sqrt($pdf->pages)),
+ pageorder => [(1 .. $pdf->pages)],
+ };
+
+ foreach $page (1..$pdf->pages)
{
- $row++;
- $column=1;
+ $meta->{pageoffsets}->{$page}->{x} = 0;
+ $meta->{pageoffsets}->{$page}->{y} = 0;
}
+ YAML::Bless($meta)->keys(['input','x','y','width','height','columns','rows', 'pageorder','pageoffsets']);
+ YAML::DumpFile($outfile,$meta);
}
+else
+{
+ my $meta = YAML::LoadFile($infile);
+ my $inpdf = PDF::API2->open($meta->{input});
-$outpdf->saveas(basename($metafile, ('.pdf.stitch','.stitch')) . '-stitched.pdf');
+ if($preview or $crop)
+ {
+ my $previewpdf = PDF::API2->new() if $preview;
+ my $croppedpdf = PDF::API2->new() if $crop;
+ my $transparency;
+
+ if($preview)
+ {
+ $transparency = $previewpdf->egstate();
+ $transparency->transparency(0.8);
+ }
+
+ foreach my $pagenr (@{$meta->{pageorder}})
+ {
+ next if $pagenr eq "blank";
+
+ my $llx = $meta->{x} + $meta->{pageoffsets}->{$pagenr}->{x};
+ my $lly = $meta->{y} + $meta->{pageoffsets}->{$pagenr}->{x};
+ my $urx = $meta->{width};
+ my $ury = $meta->{height};
+
+ if($preview)
+ {
+ my $previewpage = $previewpdf->import_page($inpdf, $pagenr, 0);
+ my $previewcontent = $previewpage->gfx();
+ $previewcontent->egstate($transparency);
+ $previewcontent->rect($llx, $lly, $urx, $ury);
+ $previewcontent->fillcolor('%F000');
+ $previewcontent->fill();
+ }
+ if($crop)
+ {
+ my $croppage = $croppedpdf->import_page($inpdf, $pagenr, 0);
+ $croppage->cropbox($llx, $lly, $llx + $urx, $lly + $ury);
+ }
+ }
+
+ $previewpdf->saveas(basename($infile, ('.pdf.stitch', '.stitch')) . '-preview.pdf') if $preview;
+ $croppedpdf->saveas(basename($infile, ('.pdf.stitch', '.stitch')) . '-cropped.pdf') if $crop;
+ }
+
+ if($stitch)
+ {
+ my $width = $meta->{width} * $meta->{columns};
+ my $height = $meta->{height} * $meta->{rows};
+
+ my $stitchedpdf = PDF::API2->new();
+
+ my $page = $stitchedpdf->page();
+ $page->mediabox($width + 100, $height + 100);
+
+ my $content = $page->gfx();
+ my $column = 1;
+ my $row = 1;
+
+ foreach my $pagenr (@{$meta->{pageorder}})
+ {
+ if($pagenr ne "blank")
+ {
+ my $xo = $stitchedpdf->importPageIntoForm($inpdf, $pagenr);
+
+ my $llx = $meta->{x} + $meta->{pageoffsets}->{$pagenr}->{x};
+ my $lly = $meta->{y} + $meta->{pageoffsets}->{$pagenr}->{y};
+ my $urx = $llx + $meta->{width};
+ my $ury = $lly + $meta->{height};
+
+ $xo->bbox($llx, $lly, $urx, $ury);
+
+ my $xpos = ($column - 1) * $meta->{width};
+ my $ypos = $height - ($row * $meta->{height});
+ $content->formimage($xo, $xpos, $ypos);
+ }
+ $column++;
+ if($column > $meta->{columns})
+ {
+ $row++;
+ $column=1;
+ }
+ }
+
+ $stitchedpdf->saveas(basename($infile, ('.pdf.stitch','.stitch')) . '-stitched.pdf');
+ }
+}
projects / pdfstitch / blobdiff