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447 lines
18 KiB
447 lines
18 KiB
package C4::Patroncards::Patroncard;
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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
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# 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
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use strict;
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use warnings;
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use autouse 'Data::Dumper' => qw(Dumper);
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#use Font::TTFMetrics;
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use C4::Creators::Lib qw( get_unit_values );
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use C4::Creators::PDF qw(StrWidth);
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use C4::Patroncards::Lib qw(
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box
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get_borrower_attributes
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leading
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text_alignment
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);
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=head1 NAME
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C4::Patroncards::Patroncard
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=head1 SYNOPSIS
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use C4::Patroncards::Patroncard;
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# Please extend
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=head1 DESCRIPTION
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This module allows you to ...
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=head1 FUNCTIONS
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=head2 new
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=cut
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sub new {
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my ($invocant, %params) = @_;
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my $type = ref($invocant) || $invocant;
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my $units = get_unit_values();
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my $unitvalue = 1;
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my $unitdesc = '';
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foreach my $un (@$units){
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if ($un->{'type'} eq $params{'layout'}->{'units'}) {
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$unitvalue = $un->{'value'};
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$unitdesc = $un->{'desc'};
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}
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}
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my $self = {
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batch_id => $params{'batch_id'},
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#card_number => $params{'card_number'},
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borrower_number => $params{'borrower_number'},
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llx => $params{'llx'},
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lly => $params{'lly'},
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height => $params{'height'},
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width => $params{'width'},
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layout => $params{'layout'},
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unitvalue => $unitvalue,
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unitdesc => $unitdesc,
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text_wrap_cols => $params{'text_wrap_cols'},
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barcode_height_scale => $params{'layout'}->{'barcode'}[0]->{'height_scale'} || 0.01,
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barcode_width_scale => $params{'layout'}->{'barcode'}[0]->{'width_scale'} || 0.8,
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};
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bless ($self, $type);
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return $self;
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}
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=head2 draw_barcode
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=cut
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sub draw_barcode {
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my ($self, $pdf) = @_;
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# Default values for barcode scaling are set in constructor to work with pre-existing installations
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my $barcode_height_scale = $self->{'barcode_height_scale'};
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my $barcode_width_scale = $self->{'barcode_width_scale'};
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_draw_barcode( $self,
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llx => $self->{'llx'} + $self->{'layout'}->{'barcode'}->[0]->{'llx'} * $self->{'unitvalue'},
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lly => $self->{'lly'} + $self->{'layout'}->{'barcode'}->[0]->{'lly'} * $self->{'unitvalue'},
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width => $self->{'width'} * $barcode_width_scale,
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y_scale_factor => $self->{'height'} * $barcode_height_scale,
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barcode_type => $self->{'layout'}->{'barcode'}->[0]->{'type'},
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barcode_data => $self->{'layout'}->{'barcode'}->[0]->{'data'},
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text => $self->{'layout'}->{'barcode'}->[0]->{'text_print'},
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);
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}
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=head2 draw_guide_box
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=cut
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sub draw_guide_box {
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my ($self, $pdf) = @_;
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warn sprintf('No pdf object passed in.') and return -1 if !$pdf;
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my $obj_stream = "q\n"; # save the graphic state
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$obj_stream .= "0.5 w\n"; # border line width
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$obj_stream .= "1.0 0.0 0.0 RG\n"; # border color red
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$obj_stream .= "1.0 1.0 1.0 rg\n"; # fill color white
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$obj_stream .= "$self->{'llx'} $self->{'lly'} $self->{'width'} $self->{'height'} re\n"; # a rectangle
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$obj_stream .= "B\n"; # fill (and a little more)
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$obj_stream .= "Q\n"; # restore the graphic state
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$pdf->Add($obj_stream);
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}
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=head2 draw_guide_grid
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$patron_card->draw_guide_grid($pdf)
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Adds a grid to the PDF output ($pdf) to support layout design
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=cut
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sub draw_guide_grid {
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my ($self, $pdf) = @_;
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warn sprintf('No pdf object passed in.') and return -1 if !$pdf;
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# Set up the grid in user defined units.
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# Each 5th and 10th line get separate values
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my $obj_stream = "q\n"; # save the graphic state
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my $x = $self->{'llx'};
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my $y = $self->{'lly'};
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my $cnt = 0;
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for ( $x = $self->{'llx'}/$self->{'unitvalue'}; $x <= ($self->{'llx'} + $self->{'width'})/$self->{'unitvalue'}; $x++) {
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my $xx = $x*$self->{'unitvalue'};
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my $yy = $y + $self->{'height'};
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if ( ($cnt % 10) && ! ($cnt % 5) ) {
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$obj_stream .= "0.0 1.0 0.0 RG\n";
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$obj_stream .= "0 w\n";
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} elsif ( $cnt % 5 ) {
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$obj_stream .= "0.0 1.0 1.0 RG\n";
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$obj_stream .= "0 w\n";
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} else {
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$obj_stream .= "0.0 0.0 1.0 RG\n";
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$obj_stream .= "0 w\n";
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}
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$cnt ++;
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$obj_stream .= "$xx $y m\n";
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$obj_stream .= "$xx $yy l\n";
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$obj_stream .= "s\n";
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}
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$x = $self->{'llx'};
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$y = $self->{'lly'};
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$cnt = 0;
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for ( $y = $self->{'lly'}/$self->{'unitvalue'}; $y <= ($self->{'lly'} + $self->{'height'})/$self->{'unitvalue'}; $y++) {
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my $xx = $x + $self->{'width'};
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my $yy = $y*$self->{'unitvalue'};
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if ( ($cnt % 10) && ! ($cnt % 5) ) {
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$obj_stream .= "0.0 1.0 0.0 RG\n";
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$obj_stream .= "0 w\n";
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} elsif ( $cnt % 5 ) {
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$obj_stream .= "0.0 1.0 1.0 RG\n";
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$obj_stream .= "0 w\n";
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} else {
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$obj_stream .= "0.0 0.0 1.0 RG\n";
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$obj_stream .= "0 w\n";
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}
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$cnt ++;
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$obj_stream .= "$x $yy m\n";
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$obj_stream .= "$xx $yy l\n";
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$obj_stream .= "s\n";
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}
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$obj_stream .= "Q\n"; # restore the graphic state
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$pdf->Add($obj_stream);
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# Add info about units
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my $strbottom = "0/0 $self->{'unitdesc'}";
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my $strtop = sprintf('%.2f', $self->{'width'}/$self->{'unitvalue'}) .'/'. sprintf('%.2f', $self->{'height'}/$self->{'unitvalue'});
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my $font_size = 6;
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$pdf->Font( 'Courier' );
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$pdf->FontSize( $font_size );
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my $strtop_len = $pdf->StrWidth($strtop) * 1.5;
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$pdf->Text( $self->{'llx'} + 2, $self->{'lly'} + 2, $strbottom );
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$pdf->Text( $self->{'llx'} + $self->{'width'} - $strtop_len , $self->{'lly'} + $self->{'height'} - $font_size , $strtop );
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}
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=head2 draw_text
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$patron_card->draw_text($pdf)
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Draws text to PDF output ($pdf)
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=cut
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sub draw_text {
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my ($self, $pdf, %params) = @_;
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warn sprintf('No pdf object passed in.') and return -1 if !$pdf;
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my @card_text = ();
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return unless (ref($self->{'layout'}->{'text'}) eq 'ARRAY'); # just in case there is not text
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my $text = [@{$self->{'layout'}->{'text'}}]; # make a copy of the arrayref *not* simply a pointer
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while (scalar @$text) {
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my $line = shift @$text;
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my $parse_line = $line;
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my @orig_line = split(/ /,$line);
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if ($parse_line =~ m/<[A-Za-z0-9_]+>/) { # test to see if the line has db fields embedded...
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my @fields = ();
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while ($parse_line =~ m/<([A-Za-z0-9_]+)>(.*$)/) {
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push (@fields, $1);
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$parse_line = $2;
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}
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my $borrower_attributes = get_borrower_attributes($self->{'borrower_number'},@fields);
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@orig_line = map { # substitute data for db fields
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my $l = $_;
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if ($l =~ m/<([A-Za-z0-9_]+)>/) {
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my $field = $1;
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$l =~ s/$l/$borrower_attributes->{$field}/;
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}
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$l;
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} @orig_line;
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$line = join(' ',@orig_line);
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}
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my $text_attribs = shift @$text;
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my $origin_llx = $self->{'llx'} + $text_attribs->{'llx'} * $self->{'unitvalue'};
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my $origin_lly = $self->{'lly'} + $text_attribs->{'lly'} * $self->{'unitvalue'};
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my $Tx = 0; # final text llx
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my $Ty = $origin_lly; # final text lly
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my $Tw = 0; # final text word spacing. See http://www.adobe.com/devnet/pdf/pdf_reference.html ISO 32000-1
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#FIXME: Move line wrapping code to its own sub if possible
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my $trim = '';
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my @lines = ();
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#FIXME: Using embedded True Type fonts is a far superior way of handing things as well as being much more unicode friendly.
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# However this will take significant work using better than PDF::Reuse to do it. For the time being, I'm leaving
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# the basic code here commented out to preserve the basic method of accomplishing this. -chris_n
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#
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# my $m = Font::TTFMetrics->new("/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman_Bold.ttf");
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# my $units_per_em = $m->get_units_per_em();
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# my $font_units_width = $m->string_width($line);
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# my $string_width = ($font_units_width * $text_attribs->{'font_size'}) / $units_per_em;
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my $string_width = C4::Creators::PDF->StrWidth($line, $text_attribs->{'font'}, $text_attribs->{'font_size'});
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if (($string_width + $text_attribs->{'llx'}) > $self->{'width'}) {
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my $cur_line = "";
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WRAP_LINES:
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while (1) {
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# $line =~ m/^.*(\s\b.*\b\s*|\s&|\<\b.*\b\>)$/; # original regexp... can be removed after dev stage is over
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$line =~ m/^.*(\s.*\s*|\s&|\<.*\>)$/;
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$trim = $1 . $trim;
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#Sanitize the input into this regular expression so regex metacharacters are escaped as literal values (https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22429)
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$line =~ s/\Q$1\E$//;
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$string_width = C4::Creators::PDF->StrWidth($line, $text_attribs->{'font'}, $text_attribs->{'font_size'});
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# $font_units_width = $m->string_width($line);
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# $string_width = ($font_units_width * $text_attribs->{'font_size'}) / $units_per_em;
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if (($string_width + $text_attribs->{'llx'}) < $self->{'width'}) {
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($Tx, $Tw) = text_alignment($origin_llx, $self->{'width'}, $text_attribs->{'llx'}, $string_width, $line, $text_attribs->{'text_alignment'});
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push @lines, {line=> $line, Tx => $Tx, Ty => $Ty, Tw => $Tw};
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$line = undef;
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last WRAP_LINES if $trim eq '';
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$Ty -= leading($text_attribs->{'font_size'});
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$line = $trim;
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$trim = '';
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$string_width = C4::Creators::PDF->StrWidth($line, $text_attribs->{'font'}, $text_attribs->{'font_size'});
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#$font_units_width = $m->string_width($line);
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#$string_width = ($font_units_width * $text_attribs->{'font_size'}) / $units_per_em;
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if ( $string_width + ( $text_attribs->{'llx'} * $self->{'unitvalue'} ) < $self->{'width'}) {
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($Tx, $Tw) = text_alignment($origin_llx, $self->{'width'}, $text_attribs->{'llx'} * $self->{'unitvalue'}, $string_width, $line, $text_attribs->{'text_alignment'});
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$line =~ s/^\s+//g; # strip naughty leading spaces
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push @lines, {line=> $line, Tx => $Tx, Ty => $Ty, Tw => $Tw};
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last WRAP_LINES;
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}
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} else {
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# We only split lines on spaces - it seems if we push a line too far, it can end
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# never getting short enough in which case we need to escape and the malformed PDF
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# will indicate the layout problem
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last WRAP_LINES if $cur_line eq $line;
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$cur_line = $line;
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}
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}
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}
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else {
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($Tx, $Tw) = text_alignment($origin_llx, $self->{'width'}, $text_attribs->{'llx'} * $self->{'unitvalue'}, $string_width, $line, $text_attribs->{'text_alignment'});
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$line =~ s/^\s+//g; # strip naughty leading spaces
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push @lines, {line=> $line, Tx => $Tx, Ty => $Ty, Tw => $Tw};
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}
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# Draw boxes around text box areas
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# FIXME: This needs to compensate for the point height of decenders. In its current form it is helpful but not really usable. The boxes are also not transparent atm.
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# If these things were fixed, it may be desirable to give the user control over whether or not to display these boxes for layout design.
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if (0) {
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my $box_height = 0;
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my $box_lly = $origin_lly;
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if (scalar(@lines) > 1) {
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$box_height += scalar(@lines) * ($text_attribs->{'font_size'} * 1.2);
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$box_lly -= ($text_attribs->{'font_size'} * 0.2);
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}
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else {
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$box_height += $text_attribs->{'font_size'};
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}
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box ($origin_llx, $box_lly, $self->{'width'} - ( $text_attribs->{'llx'} * $self->{'unitvalue'} ), $box_height, $pdf);
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}
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$pdf->Font($text_attribs->{'font'});
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$pdf->FontSize($text_attribs->{'font_size'});
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foreach my $line (@lines) {
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$pdf->Text($line->{'Tx'}, $line->{'Ty'}, $line->{'line'});
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}
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}
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}
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=head2 draw_image
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$patron_card->draw_image($pdf)
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Draws images to PDF output ($pdf)
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=cut
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sub draw_image {
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my ($self, $pdf) = @_;
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warn sprintf('No pdf object passed in.') and return -1 if !$pdf;
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my $images = $self->{'layout'}->{'images'};
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PROCESS_IMAGES:
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foreach my $image (keys %$images) {
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next PROCESS_IMAGES if $images->{$image}->{'data_source'}->[0]->{'image_source'} eq 'none';
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my $Tx = $self->{'llx'} + $images->{$image}->{'Tx'} * $self->{'unitvalue'};
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my $Ty = $self->{'lly'} + $images->{$image}->{'Ty'} * $self->{'unitvalue'};
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warn sprintf('No image passed in.') and next if !$images->{$image}->{'data'};
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my $intName = $pdf->AltJpeg($images->{$image}->{'data'},$images->{$image}->{'Sx'}, $images->{$image}->{'Sy'}, 1, $images->{$image}->{'alt'}->{'data'},$images->{$image}->{'alt'}->{'Sx'}, $images->{$image}->{'alt'}->{'Sy'}, 1);
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my $obj_stream = "q\n";
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$obj_stream .= "$images->{$image}->{'Sx'} $images->{$image}->{'Ox'} $images->{$image}->{'Oy'} $images->{$image}->{'Sy'} $Tx $Ty cm\n"; # see http://www.adobe.com/devnet/pdf/pdf_reference.html sec 8.3.3 of ISO 32000-1
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$obj_stream .= "$images->{$image}->{'scale'} 0 0 $images->{$image}->{'scale'} 0 0 cm\n"; #scale to 20%
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$obj_stream .= "/$intName Do\n";
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$obj_stream .= "Q\n";
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$pdf->Add($obj_stream);
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}
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}
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=head2 draw_barcode
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$patron_card->draw_barcode($pdf)
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Draws a barcode to PDF output ($pdf)
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=cut
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sub _draw_barcode { # this is cut-and-paste from Label.pm because there is no common place for it atm...
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my $self = shift;
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my %params = @_;
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my $x_scale_factor = 1;
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my $num_of_chars = length($params{'barcode_data'});
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my $tot_bar_length = 0;
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my $bar_length = 0;
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my $guard_length = 10;
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if ($params{'barcode_type'} =~ m/CODE39/) {
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$bar_length = '17.5';
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$tot_bar_length = ($bar_length * $num_of_chars) + ($guard_length * 2); # not sure what all is going on here and on the next line; this is old (very) code
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$x_scale_factor = ($params{'width'} / $tot_bar_length);
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if ($params{'barcode_type'} eq 'CODE39MOD') {
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my $c39 = CheckDigits('code_39'); # get modulo 43 checksum
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$params{'barcode_data'} = $c39->complete($params{'barcode_data'});
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}
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elsif ($params{'barcode_type'} eq 'CODE39MOD10') {
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my $c39_10 = CheckDigits('siret'); # get modulo 10 checksum
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$params{'barcode_data'} = $c39_10->complete($params{'barcode_data'});
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}
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eval {
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PDF::Reuse::Barcode::Code39(
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x => $params{'llx'},
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y => $params{'lly'},
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value => "*$params{barcode_data}*",
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xSize => $x_scale_factor,
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ySize => $params{'y_scale_factor'},
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hide_asterisk => 1,
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text => $params{'text'},
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mode => 'graphic',
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);
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};
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if ($@) {
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warn sprintf('Barcode generation failed for item %s with this error: %s', $self->{'item_number'}, $@);
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}
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}
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elsif ($params{'barcode_type'} eq 'COOP2OF5') {
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$bar_length = '9.43333333333333';
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$tot_bar_length = ($bar_length * $num_of_chars) + ($guard_length * 2);
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$x_scale_factor = ($params{'width'} / $tot_bar_length) * 0.9;
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eval {
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PDF::Reuse::Barcode::COOP2of5(
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x => $params{'llx'},
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y => $params{'lly'},
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value => $params{barcode_data},
|
|
xSize => $x_scale_factor,
|
|
ySize => $params{'y_scale_factor'},
|
|
mode => 'graphic',
|
|
);
|
|
};
|
|
if ($@) {
|
|
warn sprintf('Barcode generation failed for item %s with this error: %s', $self->{'item_number'}, $@);
|
|
}
|
|
}
|
|
elsif ( $params{'barcode_type'} eq 'INDUSTRIAL2OF5' ) {
|
|
$bar_length = '13.1333333333333';
|
|
$tot_bar_length = ($bar_length * $num_of_chars) + ($guard_length * 2);
|
|
$x_scale_factor = ($params{'width'} / $tot_bar_length) * 0.9;
|
|
eval {
|
|
PDF::Reuse::Barcode::Industrial2of5(
|
|
x => $params{'llx'},
|
|
y => $params{'lly'},
|
|
value => $params{barcode_data},
|
|
xSize => $x_scale_factor,
|
|
ySize => $params{'y_scale_factor'},
|
|
mode => 'graphic',
|
|
);
|
|
};
|
|
if ($@) {
|
|
warn sprintf('Barcode generation failed for item %s with this error: %s', $self->{'item_number'}, $@);
|
|
}
|
|
}
|
|
}
|
|
|
|
1;
|
|
__END__
|
|
|
|
=head1 AUTHOR
|
|
|
|
Chris Nighswonger <cnighswonger AT foundations DOT edu>
|
|
|
|
=cut
|
|
|