Koha/C4/Creators/PDF.pm
Galen Charlton f7ef93e758 Bug 8375: (follow-up) adjust StrWidth to account for TTF fonts
This patch fixes an issue caught by the test case where StrWidth()
based its calculations on the internal Adobe font rather than a
TrueType font in use.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
2014-05-06 18:52:12 +00:00

425 lines
10 KiB
Perl

package C4::Creators::PDF;
# Copyright 2009 Foundations Bible College.
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with Koha; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
use warnings;
use PDF::Reuse;
use PDF::Reuse::Barcode;
use File::Temp;
use List::Util qw/first/;
BEGIN {
use version; our $VERSION = qv('3.07.00.049');
}
sub _InitVars {
my $self = shift;
my $param = shift;
prInitVars($param);
}
sub new {
my $invocant = shift;
my $type = ref($invocant) || $invocant;
my %opts = @_;
my $self = {};
_InitVars() if ($opts{InitVars} == 0);
_InitVars($opts{InitVars}) if ($opts{InitVars} > 0);
delete($opts{InitVars});
prDocDir($opts{'DocDir'}) if $opts{'DocDir'};
delete($opts{'DocDir'});
my $fh = File::Temp->new( UNLINK => 0, SUFFIX => '.pdf' );
$opts{Name} = $self->{filename} = "$fh"; # filename
close $fh; # we need just filename
prFile(\%opts);
bless ($self, $type);
return $self;
}
sub End {
my $self = shift;
prEnd();
# slurp temporary filename and print it out for plack to pick up
local $/ = undef;
open(my $fh, '<', $self->{filename}) || die "$self->{filename}: $!";
print <$fh>;
close $fh;
unlink $self->{filename};
}
sub Add {
my $self = shift;
my $string = shift;
prAdd($string);
}
sub Bookmark {
my $self = shift;
my $reference = shift;
prBookmark($reference);
}
sub Compress {
my $self = shift;
my $directive = shift;
prCompress($directive);
}
sub Doc {
my $self = shift;
my %params = @_;
prDoc(%params);
}
sub DocForm {
my $self = shift;
my %params = @_;
return prDocForm(%params);
}
sub Extract {
my $self = shift;
my ($pdfFile, $pageNo, $oldInternalName) = @_;
return prExtract($pdfFile, $pageNo, $oldInternalName);
}
sub Field {
my $self = shift;
my ($fieldName, $value) = @_;
prField($fieldName, $value);
}
sub Font {
my $self = shift;
my $fontName = shift;
my $ttf = C4::Context->config('ttf');
if ( $ttf ) {
my $ttf_path = first { $_->{type} eq $fontName } @{ $ttf->{font} };
if ( -e $ttf_path->{content} ) {
return prTTFont($ttf_path->{content});
} else {
warn "ERROR in koha-conf.xml -- missing <font type=\"$fontName\">/path/to/font.ttf</font>";
}
}
return prFont($fontName);
}
sub FontSize {
my $self = shift;
my $size = shift;
return prFontSize($size);
}
sub Form {
my $self = shift;
my %params = @_;
return prForm(%params);
}
sub GetLogBuffer {
my $self = shift;
return prGetLogBuffer();
}
sub GraphState {
my $self = shift;
my $string = shift;
prGraphState($string);
}
sub Image {
my $self = shift;
my %params = @_;
return prImage(%params);
}
sub Init {
my $self = shift;
my ($string, $duplicateCode) = @_;
prInit($string, $duplicateCode);
}
sub AltJpeg {
my $self = shift;
my ($imageData, $width, $height, $imageFormat, $altImageData, $altImageWidth, $altImageHeight, $altImageFormat) = @_;
return prAltJpeg($imageData, $width, $height, $imageFormat, $altImageData, $altImageWidth, $altImageHeight, $altImageFormat);
}
sub Jpeg {
my $self = shift;
my ($imageData, $width, $height, $imageFormat) = @_;
return prJpegBlob($imageData, $width, $height, $imageFormat);
}
# FIXME: This magick foo is an absolute hack until the maintainer of PDF::Reuse releases the next version which will include these features
sub prAltJpeg
{ my ($iData, $iWidth, $iHeight, $iFormat,$aiData, $aiWidth, $aiHeight, $aiFormat) = @_;
my ($namnet, $utrad);
if (! $PDF::Reuse::pos) # If no output is active, it is no use to continue
{ return;
}
prJpegBlob($aiData, $aiWidth, $aiHeight, $aiFormat);
my $altObjNr = $PDF::Reuse::objNr;
$PDF::Reuse::imageNr++;
$namnet = 'Ig' . $PDF::Reuse::imageNr;
$PDF::Reuse::objNr++;
$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
$utrad = "$PDF::Reuse::objNr 0 obj\n" .
"[ << /Image $altObjNr 0 R\n" .
"/DefaultForPrinting true\n" .
">>\n" .
"]\n" .
"endobj\n";
$PDF::Reuse::pos += syswrite *PDF::Reuse::UTFIL, $utrad;
if ($PDF::Reuse::runfil)
{ $PDF::Reuse::log .= "Jpeg~AltImage\n";
}
$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
$namnet = prJpegBlob($iData, $iWidth, $iHeight, $iFormat, $PDF::Reuse::objNr);
if (! $PDF::Reuse::pos)
{ errLog("No output file, you have to call prFile first");
}
return $namnet;
}
sub prJpegBlob
{ my ($iData, $iWidth, $iHeight, $iFormat, $altArrayObjNr) = @_;
my ($iLangd, $namnet, $utrad);
if (! $PDF::Reuse::pos) # If no output is active, it is no use to continue
{ return;
}
my $checkidOld = $PDF::Reuse::checkId;
if (!$iFormat)
{ my ($iFile, $checkId) = findGet($iData, $checkidOld);
if ($iFile)
{ $iLangd = (stat($iFile))[7];
$PDF::Reuse::imageNr++;
$namnet = 'Ig' . $PDF::Reuse::imageNr;
$PDF::Reuse::objNr++;
$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
open (my $fh, '<', "$iFile") || errLog("Couldn't open $iFile, $!, aborts");
binmode $fh;
my $iStream;
sysread $fh, $iStream, $iLangd;
$utrad = "$PDF::Reuse::objNr 0 obj\n<</Type/XObject/Subtype/Image/Name/$namnet" .
"/Width $iWidth /Height $iHeight /BitsPerComponent 8 " .
($altArrayObjNr ? "/Alternates $altArrayObjNr 0 R " : "") .
"/Filter/DCTDecode/ColorSpace/DeviceRGB"
. "/Length $iLangd >>stream\n$iStream\nendstream\nendobj\n";
close $fh;
$PDF::Reuse::pos += syswrite $PDF::Reuse::UTFIL, $utrad;
if ($PDF::Reuse::runfil)
{ $PDF::Reuse::log .= "Cid~$PDF::Reuse::checkId\n";
$PDF::Reuse::log .= "Jpeg~$iFile~$iWidth~$iHeight\n";
}
$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
}
undef $checkId;
}
elsif ($iFormat == 1)
{ my $iBlob = $iData;
$iLangd = length($iBlob);
$PDF::Reuse::imageNr++;
$namnet = 'Ig' . $PDF::Reuse::imageNr;
$PDF::Reuse::objNr++;
$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
$utrad = "$PDF::Reuse::objNr 0 obj\n<</Type/XObject/Subtype/Image/Name/$namnet" .
"/Width $iWidth /Height $iHeight /BitsPerComponent 8 " .
($altArrayObjNr ? "/Alternates $altArrayObjNr 0 R " : "") .
"/Filter/DCTDecode/ColorSpace/DeviceRGB"
. "/Length $iLangd >>stream\n$iBlob\nendstream\nendobj\n";
$PDF::Reuse::pos += syswrite *PDF::Reuse::UTFIL, $utrad;
if ($PDF::Reuse::runfil)
{ $PDF::Reuse::log .= "Jpeg~Blob~$iWidth~$iHeight\n";
}
$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
}
if (! $PDF::Reuse::pos)
{ errLog("No output file, you have to call prFile first");
}
return $namnet;
}
sub Js {
my $self = shift;
my $string_or_fileName = shift;
prJs($string_or_fileName);
}
sub Link {
my $self = shift;
my %params = @_;
prLink(%params);
}
sub Log {
my $self = shift;
my $string = shift;
prLog($string);
}
sub LogDir {
my $self = shift;
my $directory = shift;
prLogDir($directory);
}
sub Mbox {
my $self = shift;
my ($lowerLeftX, $lowerLeftY, $upperRightX, $upperRightY) = @_;
prMbox($lowerLeftX, $lowerLeftY, $upperRightX, $upperRightY);
}
sub Page {
my $self = shift;
my $noLog = shift;
prPage($noLog);
}
sub SinglePage {
my $self = shift;
my ($file, $pageNumber) = @_;
return prSinglePage($file, $pageNumber);
}
sub StrWidth {
my $self = shift;
my ($string, $font, $fontSize) = @_;
# replace font code with path to TTF font file if need be
my $ttf = C4::Context->config('ttf');
if ( $ttf ) {
my $ttf_path = first { $_->{type} eq $font } @{ $ttf->{font} };
if ( -e $ttf_path->{content} ) {
$font = $ttf_path->{content};
} else {
warn "ERROR in koha-conf.xml -- missing <font type=\"$font\">/path/to/font.ttf</font>";
}
}
return prStrWidth($string, $font, $fontSize);
}
sub Text {
my $self = shift;
my ($x, $y, $string, $align, $rotation) = @_;
return prText($x, $y, $string, $align, $rotation);
}
sub TTFont {
my $self = shift;
my $path = shift;
return prTTFont($path);
}
sub Code128 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::Code128(%opts);
}
sub Code39 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::Code39(%opts);
}
sub COOP2of5 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::COOP2of5(%opts);
}
sub EAN13 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::EAN13(%opts);
}
sub EAN8 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::EAN8(%opts);
}
sub IATA2of5 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::IATA2of5(%opts);
}
sub Industrial2of5 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::Industrial2of5(%opts);
}
sub ITF {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::ITF(%opts);
}
sub Matrix2of5 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::Matrix2of5(%opts);
}
sub NW7 {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::NW7(%opts);
}
sub UPCA {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::UPCA(%opts);
}
sub UPCE {
my $self = shift;
my %opts = @_;
PDF::Reuse::Barcode::UPCE(%opts);
}
1;
__END__
=head1 NAME
C4::Creators::PDF - A class wrapper for PDF::Reuse and PDF::Reuse::Barcode to allow usage as a psuedo-object. For usage see
PDF::Reuse documentation and C4::Creators::PDF code.
=cut
=head1 AUTHOR
Chris Nighswonger <cnighswonger AT foundations DOT edu>
=cut