1f56a04cad
A lot of routines were defaulting to return -1 in error conditions
but calling code was expecting a ref or object
use return with explicit undef (or emptyness in array context)
for these cases. Extended this to cases where return was not tested
( -1 might in some cases be legit data).
Signed-off-by: Chris Nighswonger <cnighswonger@foundations.edu>
Signed-off-by: Galen Charlton <gmcharlt@gmail.com>
(cherry picked from commit 5cf2b78b6f
)
[RM note: ... thereby undoing the revert]
387 lines
9.3 KiB
Perl
387 lines
9.3 KiB
Perl
package C4::Creators::PDF;
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# Copyright 2009 Foundations Bible College.
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with Koha; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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use strict;
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use warnings;
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use PDF::Reuse;
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use PDF::Reuse::Barcode;
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BEGIN {
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use version; our $VERSION = qv('1.0.0_1');
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}
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sub _InitVars {
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my $self = shift;
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my $param = shift;
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prInitVars($param);
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}
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sub new {
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my $invocant = shift;
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my $type = ref($invocant) || $invocant;
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my %opts = @_;
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my $self = {};
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_InitVars() if ($opts{InitVars} == 0);
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_InitVars($opts{InitVars}) if ($opts{InitVars} > 0);
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delete($opts{InitVars});
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prDocDir($opts{'DocDir'}) if $opts{'DocDir'};
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delete($opts{'DocDir'});
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prFile(%opts);
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bless ($self, $type);
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return $self;
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}
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sub End {
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my $self = shift;
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prEnd();
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}
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sub Add {
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my $self = shift;
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my $string = shift;
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prAdd($string);
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}
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sub Bookmark {
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my $self = shift;
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my $reference = shift;
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prBookmark($reference);
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}
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sub Compress {
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my $self = shift;
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my $directive = shift;
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prCompress($directive);
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}
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sub Doc {
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my $self = shift;
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my %params = @_;
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prDoc(%params);
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}
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sub DocForm {
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my $self = shift;
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my %params = @_;
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return prDocForm(%params);
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}
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sub Extract {
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my $self = shift;
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my ($pdfFile, $pageNo, $oldInternalName) = @_;
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return prExtract($pdfFile, $pageNo, $oldInternalName);
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}
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sub Field {
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my $self = shift;
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my ($fieldName, $value) = @_;
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prField($fieldName, $value);
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}
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sub Font {
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my $self = shift;
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my $fontName = shift;
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return prFont($fontName);
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}
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sub FontSize {
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my $self = shift;
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my $size = shift;
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return prFontSize($size);
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}
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sub Form {
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my $self = shift;
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my %params = @_;
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return prForm(%params);
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}
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sub GetLogBuffer {
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my $self = shift;
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return prGetLogBuffer();
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}
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sub GraphState {
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my $self = shift;
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my $string = shift;
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prGraphState($string);
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}
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sub Image {
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my $self = shift;
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my %params = @_;
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return prImage(%params);
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}
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sub Init {
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my $self = shift;
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my ($string, $duplicateCode) = @_;
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prInit($string, $duplicateCode);
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}
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sub AltJpeg {
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my $self = shift;
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my ($imageData, $width, $height, $imageFormat, $altImageData, $altImageWidth, $altImageHeight, $altImageFormat) = @_;
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return prAltJpeg($imageData, $width, $height, $imageFormat, $altImageData, $altImageWidth, $altImageHeight, $altImageFormat);
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}
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sub Jpeg {
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my $self = shift;
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my ($imageData, $width, $height, $imageFormat) = @_;
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return prJpegBlob($imageData, $width, $height, $imageFormat);
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}
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# FIXME: This magick foo is an absolute hack until the maintainer of PDF::Reuse releases the next version which will include these features
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sub prAltJpeg
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{ my ($iData, $iWidth, $iHeight, $iFormat,$aiData, $aiWidth, $aiHeight, $aiFormat) = @_;
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my ($namnet, $utrad);
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if (! $PDF::Reuse::pos) { # If no output is active, it is no use to continue
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return;
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}
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prJpegBlob($aiData, $aiWidth, $aiHeight, $aiFormat);
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my $altObjNr = $PDF::Reuse::objNr;
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$PDF::Reuse::imageNr++;
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$namnet = 'Ig' . $PDF::Reuse::imageNr;
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$PDF::Reuse::objNr++;
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$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
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$utrad = "$PDF::Reuse::objNr 0 obj\n" .
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"[ << /Image $altObjNr 0 R\n" .
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"/DefaultForPrinting true\n" .
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">>\n" .
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"]\n" .
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"endobj\n";
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$PDF::Reuse::pos += syswrite *PDF::Reuse::UTFIL, $utrad;
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if ($PDF::Reuse::runfil)
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{ $PDF::Reuse::log .= "Jpeg~AltImage\n";
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}
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$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
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$namnet = prJpegBlob($iData, $iWidth, $iHeight, $iFormat, $PDF::Reuse::objNr);
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if (! $PDF::Reuse::pos)
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{ errLog("No output file, you have to call prFile first");
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}
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return $namnet;
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}
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sub prJpegBlob
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{ my ($iData, $iWidth, $iHeight, $iFormat, $altArrayObjNr) = @_;
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my ($iLangd, $namnet, $utrad);
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if (! $PDF::Reuse::pos) { # If no output is active, it is no use to continue
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return;
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}
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my $checkidOld = $PDF::Reuse::checkId;
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if (!$iFormat)
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{ my ($iFile, $checkId) = findGet($iData, $checkidOld);
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if ($iFile)
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{ $iLangd = (stat($iFile))[7];
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$PDF::Reuse::imageNr++;
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$namnet = 'Ig' . $PDF::Reuse::imageNr;
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$PDF::Reuse::objNr++;
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$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
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open (BILDFIL, "<$iFile") || errLog("Couldn't open $iFile, $!, aborts");
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binmode BILDFIL;
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my $iStream;
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sysread BILDFIL, $iStream, $iLangd;
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$utrad = "$PDF::Reuse::objNr 0 obj\n<</Type/XObject/Subtype/Image/Name/$namnet" .
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"/Width $iWidth /Height $iHeight /BitsPerComponent 8 " .
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($altArrayObjNr ? "/Alternates $altArrayObjNr 0 R " : "") .
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"/Filter/DCTDecode/ColorSpace/DeviceRGB"
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. "/Length $iLangd >>stream\n$iStream\nendstream\nendobj\n";
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close BILDFIL;
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$PDF::Reuse::pos += syswrite $PDF::Reuse::UTFIL, $utrad;
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if ($PDF::Reuse::runfil)
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{ $PDF::Reuse::log .= "Cid~$PDF::Reuse::checkId\n";
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$PDF::Reuse::log .= "Jpeg~$iFile~$iWidth~$iHeight\n";
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}
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$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
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}
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undef $checkId;
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}
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elsif ($iFormat == 1)
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{ my $iBlob = $iData;
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$iLangd = length($iBlob);
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$PDF::Reuse::imageNr++;
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$namnet = 'Ig' . $PDF::Reuse::imageNr;
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$PDF::Reuse::objNr++;
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$PDF::Reuse::objekt[$PDF::Reuse::objNr] = $PDF::Reuse::pos;
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$utrad = "$PDF::Reuse::objNr 0 obj\n<</Type/XObject/Subtype/Image/Name/$namnet" .
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"/Width $iWidth /Height $iHeight /BitsPerComponent 8 " .
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($altArrayObjNr ? "/Alternates $altArrayObjNr 0 R " : "") .
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"/Filter/DCTDecode/ColorSpace/DeviceRGB"
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. "/Length $iLangd >>stream\n$iBlob\nendstream\nendobj\n";
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$PDF::Reuse::pos += syswrite *PDF::Reuse::UTFIL, $utrad;
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if ($PDF::Reuse::runfil)
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{ $PDF::Reuse::log .= "Jpeg~Blob~$iWidth~$iHeight\n";
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}
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$PDF::Reuse::objRef{$namnet} = $PDF::Reuse::objNr;
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}
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if (! $PDF::Reuse::pos)
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{ errLog("No output file, you have to call prFile first");
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}
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return $namnet;
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}
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sub Js {
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my $self = shift;
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my $string_or_fileName = shift;
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prJs($string_or_fileName);
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}
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sub Link {
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my $self = shift;
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my %params = @_;
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prLink(%params);
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}
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sub Log {
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my $self = shift;
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my $string = shift;
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prLog($string);
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}
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sub LogDir {
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my $self = shift;
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my $directory = shift;
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prLogDir($directory);
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}
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sub Mbox {
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my $self = shift;
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my ($lowerLeftX, $lowerLeftY, $upperRightX, $upperRightY) = @_;
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prMbox($lowerLeftX, $lowerLeftY, $upperRightX, $upperRightY);
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}
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sub Page {
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my $self = shift;
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my $noLog = shift;
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prPage($noLog);
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}
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sub SinglePage {
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my $self = shift;
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my ($file, $pageNumber) = @_;
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return prSinglePage($file, $pageNumber);
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}
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sub StrWidth {
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my $self = shift;
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my ($string, $font, $fontSize) = @_;
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return prStrWidth($string, $font, $fontSize);
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}
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sub Text {
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my $self = shift;
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my ($x, $y, $string, $align, $rotation) = @_;
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return prText($x, $y, $string, $align, $rotation);
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}
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sub TTFont {
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my $self = shift;
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my $path = shift;
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return prTTFont($path);
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}
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sub Code128 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::Code128(%opts);
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}
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sub Code39 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::Code39(%opts);
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}
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sub COOP2of5 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::COOP2of5(%opts);
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}
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sub EAN13 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::EAN13(%opts);
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}
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sub EAN8 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::EAN8(%opts);
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}
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sub IATA2of5 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::IATA2of5(%opts);
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}
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sub Industrial2of5 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::Industrial2of5(%opts);
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}
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sub ITF {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::ITF(%opts);
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}
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sub Matrix2of5 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::Matrix2of5(%opts);
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}
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sub NW7 {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::NW7(%opts);
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}
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sub UPCA {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::UPCA(%opts);
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}
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sub UPCE {
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my $self = shift;
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my %opts = @_;
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PDF::Reuse::Barcode::UPCE(%opts);
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}
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1;
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__END__
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=head1 NAME
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C4::Creators::PDF - A class wrapper for PDF::Reuse and PDF::Reuse::Barcode to allow usage as a psuedo-object. For usage see
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PDF::Reuse documentation and C4::Creators::PDF code.
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=cut
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=head1 AUTHOR
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Chris Nighswonger <cnighswonger AT foundations DOT edu>
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=cut
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