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package PDF::API2::Ladder; |
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use strict; |
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use 5.008_005; |
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our $VERSION = '0.03'; |
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BEGIN { |
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use PDF::API2; |
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use constant mm => 25.4 / 72; |
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use constant in => 1 / 72; |
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use constant pt => 1; |
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use utf8; |
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} |
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=encoding utf-8 |
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=head1 NAME |
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PDF::API2::Ladder - Creates PDFs a line at a time, much like the rungs on a ladder. |
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=head1 SYNOPSIS |
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use PDF::API2::Ladder; |
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# Create a new PDF::Ladder Object |
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$pdf = PDF::Ladder->new( font_size => $font_size, |
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lead => $lead, |
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font => 'Georgia', |
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show_margins => $show_margins, |
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margin_top => .5/in, |
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margin_bottom => .5/in, |
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line_height => $line_height); |
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# Create a Rung at the top of the page (since its the first) that is center. |
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$pdf->add_rung("An Amazing Play", align => 'center'); |
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# Create a Rung underneath that, which is not centered |
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$pdf->add_rung("Actor1: 'To be or not 2 B. That is the answer!'); |
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=head1 DESCRIPTION |
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PDF::API2::Ladder is a simplified way of creating PDFs using the awesome module PDF::API2. PDF::API2::Ladder builds PDFs in a top down fashion much like rungs on a ladder. The exception to the rung style is what is called a Blob. Blobs do not have a set height and adapt to their contents height instead. New pages are created automatically when a rung or blob goes off the end of the page. |
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=head1 METHODS |
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TODO |
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=over |
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=cut |
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sub new { |
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my $class=shift(@_); |
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my %opt=@_; |
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my $self={}; |
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bless($self, $class); |
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# File Preferences |
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$self->{path} = ($opt{'path'}) ? $opt{'path'} : './'; |
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$self->{file_name} = $opt{'filename'}; |
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# ----- General Format ----- |
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$self->{media_width} = ($opt{'media_width'}) ? $opt{'media_width'} : 8.5/in; |
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$self->{media_height} = ($opt{'media_height'}) ? $opt{'media_height'} : 11/in; |
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$self->{show_margins} = $opt{'show_margins'}; |
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# Margins |
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$self->{margin_top} = ($opt{'margin_top'}) ? $opt{'margin_top'} : 1/in; |
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$self->{margin_right} = ($opt{'margin_right'}) ? $opt{'margin_right'} : 1/in; |
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$self->{margin_bottom} = ($opt{'margin_bottom'}) ? $opt{'margin_bottom'} : 1/in; |
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$self->{margin_left} = ($opt{'margin_left'}) ? $opt{'margin_left'} : 1/in; |
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if ($opt{'margin'}) { |
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$self->{margin_top} = $self->{margin_right} = $self->{margin_bottom} = $self->{margin_left} = $opt{'margin'}; |
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} |
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# Line Format |
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$self->{line_height} = ($opt{'line_height'}) ? $opt{'line_height'} : 1/in; |
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$self->{current_line_offset} = 0; # Lines are indexed starting at 1 |
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# Fonts |
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$self->{font} = ($opt{'font'}) ? $opt{'font'} : 'Helvetica'; |
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$self->{font_size} = ($opt{'font_size'}) ? $opt{'font_size'} : 12/pt; |
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$self->{lead} = ($opt{'lead'}) ? $opt{'lead'} : 7/pt; |
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$self->{font_color} = ($opt{'font_color'}) ? $opt{'font_color'} : 'black'; |
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$self->{charspace} = (defined $opt{'charspace'}) ? $opt{'charspace'} : 0; |
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# Setup |
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if ($self->{file_name}) { |
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$self->{pdf} = PDF::API2->new( -file => $self->{path}.$self->{file_name} ); |
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} else { |
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$self->{pdf} = PDF::API2->new(); |
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} |
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# Declar the included fonts |
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$self->{fonts} = { |
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Helvetica => { |
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Bold => $self->{pdf}->corefont( 'Helvetica-Bold', -encoding => 'latin1' ), |
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Roman => $self->{pdf}->corefont( 'Helvetica', -encoding => 'latin1' ), |
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Italic => $self->{pdf}->corefont( 'Helvetica-Oblique', -encoding => 'latin1' ), |
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BoldItalic => $self->{pdf}->corefont( 'Helvetica-BoldOblique', -encoding => 'latin1' ), |
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Italic => $self->{pdf}->corefont( 'Helvetica-Oblique', -encoding => 'latin1' ), |
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}, |
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Times => { |
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Bold => $self->{pdf}->corefont( 'Times-Bold', -encoding => 'latin1' ), |
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Roman => $self->{pdf}->corefont( 'Times', -encoding => 'latin1' ), |
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Italic => $self->{pdf}->corefont( 'Times-Italic', -encoding => 'latin1' ), |
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BoldItalic => $self->{pdf}->corefont( 'Times-BoldItalic', -encoding => 'latin1' ), |
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}, |
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Georgia => { |
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Bold => $self->{pdf}->corefont( 'Georgia,Bold', -encoding => 'latin1' ), |
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Roman => $self->{pdf}->corefont( 'Georgia', -encoding => 'latin1' ), |
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Italic => $self->{pdf}->corefont( 'Georgia,Italic', -encoding => 'latin1' ), |
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BoldItalic => $self->{pdf}->corefont( 'Georgia,BoldItalic', -encoding => 'latin1' ), |
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}, |
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}; |
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if ($opt{'fonts'}) { |
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$self->{fonts} = $opt{'fonts'}; |
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} |
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$self->start_new_page(); |
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return $self; |
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} |
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#=item $pdf->add_rung %opts |
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# |
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#Creates a new "rung" or line in the PDF. When provided with specific parameters, the text is changed accordingly. |
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# |
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#B |
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# |
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# $pdf = PDF::API2->new(); |
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# ... |
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# print $pdf->stringify; |
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# |
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# $pdf = PDF::API2->new(); |
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# ... |
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# $pdf->saveas("our/new.pdf"); |
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# |
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# $pdf = PDF::API2->new(-file => 'our/new.pdf'); |
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# ... |
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# $pdf->save; |
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# |
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#=cut |
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sub add_rung { |
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my $self=shift; |
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my $text = shift; |
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my %options = @_; |
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my $bold = ($options{'bold'}) ? 1 : 0; |
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my $oblique = ($options{'oblique'}) ? 1 : 0; |
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my $indent = ($options{'indent'}) ? $options{'indent'} : 0; |
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my $align = ($options{'align'}) ? $options{'align'} : 'left'; |
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# Font parameters |
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my $font_size = ($options{'font_size'}) ? $options{'font_size'} : $self->{font_size}; |
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my $fonts = ($options{'fonts'}) ? $options{'fonts'} : $self->{fonts}; |
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my $font = ($options{'font'}) ? $options{'font'} : $self->{font}; |
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my $font_color = ($options{'font_color'}) ? $options{'font_color'} : $self->{font_color}; |
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my $charspace = (defined $options{'charspace'}) ? $options{'charspace'} : $self->{charspace}; |
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my $line_height = ($options{'line_height'}) ? $options{'line_height'} : $self->{line_height}; |
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my $lead = ($options{'lead'}) ? $options{'lead'} : $self->{lead}; |
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# Check to see if the next rung will fit |
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if ( $self->{media_height} - ($self->{margin_top} + $self->{margin_bottom} + $self->{current_line_offset} ) < $line_height ) { |
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$self->start_new_page(); |
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} |
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my $text_element = $self->{current_page}->text; |
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# Font |
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my $font_key = ''; |
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if ($bold) { $font_key .= "Bold"; } |
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if ($oblique) { $font_key .= "Italic"; } |
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if ($font_key eq '') { $font_key = 'Roman'; } |
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$text_element->font( $fonts->{$font}{$font_key}, $font_size ); |
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$text_element->fillcolor($font_color); |
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$text_element->charspace($charspace); |
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my ( $endw, $ypos, $paragraph ) = text_block( |
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$text_element, |
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$text, |
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-x => $self->{margin_left}, |
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-y => $self->{'media_height'} - ( $self->{margin_top} + $self->{current_line_offset} + $lead ), |
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-w => $self->{media_width} - $self->{margin_left} - $self->{margin_right}, |
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-h => $line_height, |
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-lead => $lead, |
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-indent => $indent, |
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-parspace => 6/pt, |
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-align => $align, |
192
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); |
193
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194
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$self->{current_line_offset} += $line_height; |
195
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196
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0
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return 1; |
197
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} |
198
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#=item $pdf->add_blob %opts |
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# |
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#Creates a new set of lines with undetermined height in the PDF. |
202
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# |
203
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#B |
204
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# |
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# $pdf = PDF::API2->new(); |
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# ... |
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# print $pdf->stringify; |
208
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# |
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# $pdf = PDF::API2->new(); |
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# ... |
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# $pdf->saveas("our/new.pdf"); |
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# |
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# $pdf = PDF::API2->new(-file => 'our/new.pdf'); |
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# ... |
215
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# $pdf->save; |
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# |
217
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#=cut |
218
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sub add_blob { |
219
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my $self=shift; |
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my $text = shift; |
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my %options = @_; |
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my $fonts = ($options{'fonts'}) ? $options{'fonts'} : $self->{fonts}; |
224
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my $font = ($options{'font'}) ? $options{'font'} : $self->{font}; |
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my $bold = ($options{'bold'}) ? 1 : 0; |
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my $oblique = ($options{'oblique'}) ? 1 : 0; |
227
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my $font_color = ($options{'font_color'}) ? $options{'font_color'} : $self->{font_color}; |
228
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my $charspace = (defined $options{'charspace'}) ? $options{'charspace'} : $self->{charspace}; |
229
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230
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0
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my $line_height = ($options{'line_height'}) ? $options{'line_height'} : $self->{line_height}; |
231
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my $lead = ($options{'lead'}) ? $options{'lead'} : $self->{lead}; |
232
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233
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# Check to see if the next rung will fit |
234
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if ( $self->{media_height} - ($self->{margin_top} + $self->{margin_bottom} + $self->{current_line_offset} ) < $line_height ) { |
235
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$self->start_new_page(); |
236
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} |
237
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238
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0
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my $text_element = $self->{current_page}->text; |
239
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# Font |
240
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0
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my $font_key = ''; |
241
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0
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0
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if ($bold) { $font_key .= "Bold"; } |
|
0
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242
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0
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0
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if ($oblique) { $font_key .= "Italic"; } |
|
0
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|
243
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0
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0
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if ($font_key eq '') { $font_key = 'Roman'; } |
|
0
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|
244
|
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245
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0
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$text_element->font( $fonts->{$font}{$font_key}, $self->{font_size} ); |
246
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0
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|
$text_element->fillcolor($font_color); |
247
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0
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$text_element->charspace($charspace); |
248
|
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|
249
|
|
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|
# Check to see if the next rung will fit |
250
|
0
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|
my ( $endw, $ypos, $paragraph ) = text_block( |
251
|
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|
|
$text_element, |
252
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$text, |
253
|
|
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|
|
-x => $self->{margin_left}, |
254
|
|
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|
|
-y => $self->{'media_height'} - ( $self->{margin_top} + $self->{current_line_offset} + $lead ), |
255
|
|
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|
|
|
|
-w => $self->{media_width} - $self->{margin_left} - $self->{margin_right}, |
256
|
|
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|
|
-lead => $lead, |
257
|
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|
-heightless => 1, |
258
|
|
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|
|
-measure => 1, |
259
|
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|
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|
|
-parspace => 6/pt, |
260
|
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|
|
-align => 'left', |
261
|
|
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|
|
|
|
); |
262
|
0
|
0
|
|
|
|
|
if ( $ypos < $self->{margin_top} ) { |
263
|
0
|
|
|
|
|
|
$self->start_new_page(); |
264
|
0
|
|
|
|
|
|
$text_element = $self->{current_page}->text; |
265
|
|
|
|
|
|
|
# Font |
266
|
0
|
|
|
|
|
|
my $font_key = ''; |
267
|
0
|
0
|
|
|
|
|
if ($bold) { $font_key .= "Bold"; } |
|
0
|
|
|
|
|
|
|
268
|
0
|
0
|
|
|
|
|
if ($oblique) { $font_key .= "Italic"; } |
|
0
|
|
|
|
|
|
|
269
|
0
|
0
|
|
|
|
|
if ($font_key eq '') { $font_key = 'Roman'; } |
|
0
|
|
|
|
|
|
|
270
|
|
|
|
|
|
|
|
271
|
0
|
|
|
|
|
|
$text_element->font( $fonts->{$font}{$font_key}, $self->{font_size} ); |
272
|
0
|
|
|
|
|
|
$text_element->fillcolor($font_color); |
273
|
|
|
|
|
|
|
} |
274
|
|
|
|
|
|
|
|
275
|
0
|
|
|
|
|
|
my ( $endw, $ypos, $paragraph ) = text_block( |
276
|
|
|
|
|
|
|
$text_element, |
277
|
|
|
|
|
|
|
$text, |
278
|
|
|
|
|
|
|
-x => $self->{margin_left}, |
279
|
|
|
|
|
|
|
-y => $self->{'media_height'} - ( $self->{margin_top} + $self->{current_line_offset} + $lead ), |
280
|
|
|
|
|
|
|
-w => $self->{media_width} - $self->{margin_left} - $self->{margin_right}, |
281
|
|
|
|
|
|
|
-heightless => 1, |
282
|
|
|
|
|
|
|
-lead => $lead, |
283
|
|
|
|
|
|
|
-parspace => 6/pt, |
284
|
|
|
|
|
|
|
-align => 'left', |
285
|
|
|
|
|
|
|
); |
286
|
|
|
|
|
|
|
|
287
|
0
|
|
|
|
|
|
$self->{current_line_offset} += $self->{'media_height'} - ( $self->{margin_top} + $self->{current_line_offset} + $lead ) - $ypos; |
288
|
|
|
|
|
|
|
|
289
|
0
|
|
|
|
|
|
return 1; |
290
|
|
|
|
|
|
|
} |
291
|
|
|
|
|
|
|
|
292
|
|
|
|
|
|
|
#=item $pdf->start_new_page %opts |
293
|
|
|
|
|
|
|
# |
294
|
|
|
|
|
|
|
#Ends current page PDF. |
295
|
|
|
|
|
|
|
# |
296
|
|
|
|
|
|
|
#B |
297
|
|
|
|
|
|
|
# |
298
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(); |
299
|
|
|
|
|
|
|
# ... |
300
|
|
|
|
|
|
|
# print $pdf->stringify; |
301
|
|
|
|
|
|
|
# |
302
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(); |
303
|
|
|
|
|
|
|
# ... |
304
|
|
|
|
|
|
|
# $pdf->saveas("our/new.pdf"); |
305
|
|
|
|
|
|
|
# |
306
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(-file => 'our/new.pdf'); |
307
|
|
|
|
|
|
|
# ... |
308
|
|
|
|
|
|
|
# $pdf->save; |
309
|
|
|
|
|
|
|
# |
310
|
|
|
|
|
|
|
#=cut |
311
|
|
|
|
|
|
|
sub start_new_page { |
312
|
0
|
|
|
0
|
0
|
|
my $self=shift; |
313
|
0
|
|
|
|
|
|
my %options = @_; |
314
|
|
|
|
|
|
|
|
315
|
0
|
|
|
|
|
|
$self->{current_page} = $self->{pdf}->page; |
316
|
|
|
|
|
|
|
|
317
|
|
|
|
|
|
|
# Set pdf sizes |
318
|
0
|
|
|
|
|
|
$self->{current_page}->mediabox($self->{media_width},$self->{media_height}); |
319
|
|
|
|
|
|
|
|
320
|
0
|
|
|
|
|
|
$self->{current_line_offset} = 0; |
321
|
|
|
|
|
|
|
|
322
|
|
|
|
|
|
|
# Margin debuggin |
323
|
0
|
0
|
|
|
|
|
if ($self->{show_margins}) { |
324
|
0
|
|
|
|
|
|
my $margins = $self->{'current_page'}->gfx(); |
325
|
0
|
|
|
|
|
|
$margins->strokecolor('red'); |
326
|
|
|
|
|
|
|
|
327
|
|
|
|
|
|
|
# top margin |
328
|
0
|
|
|
|
|
|
$margins->move($self->{margin_left}, $self->{media_height} - $self->{margin_top}); |
329
|
0
|
|
|
|
|
|
$margins->line($self->{media_width} - $self->{margin_right}, $self->{media_height} - $self->{margin_top}); |
330
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
# right margin |
332
|
0
|
|
|
|
|
|
$margins->move($self->{media_width} - $self->{margin_right}, $self->{media_height} - $self->{margin_top}); |
333
|
0
|
|
|
|
|
|
$margins->line($self->{media_width} - $self->{margin_right}, $self->{margin_bottom}); |
334
|
|
|
|
|
|
|
|
335
|
|
|
|
|
|
|
# bottom margin |
336
|
0
|
|
|
|
|
|
$margins->move($self->{media_width} - $self->{margin_right}, $self->{margin_bottom}); |
337
|
0
|
|
|
|
|
|
$margins->line($self->{margin_left}, $self->{margin_bottom}); |
338
|
|
|
|
|
|
|
|
339
|
|
|
|
|
|
|
# left margin |
340
|
0
|
|
|
|
|
|
$margins->move($self->{margin_left}, $self->{margin_bottom}); |
341
|
0
|
|
|
|
|
|
$margins->line($self->{margin_left}, $self->{media_height} - $self->{margin_top}); |
342
|
|
|
|
|
|
|
|
343
|
|
|
|
|
|
|
# Stroke lines |
344
|
0
|
|
|
|
|
|
$margins->stroke; |
345
|
|
|
|
|
|
|
} |
346
|
|
|
|
|
|
|
|
347
|
0
|
|
|
|
|
|
return 1; |
348
|
|
|
|
|
|
|
} |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
#=item $pdf->save %opts |
351
|
|
|
|
|
|
|
# |
352
|
|
|
|
|
|
|
#Saves out the PDF. |
353
|
|
|
|
|
|
|
# |
354
|
|
|
|
|
|
|
#B |
355
|
|
|
|
|
|
|
# |
356
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(); |
357
|
|
|
|
|
|
|
# ... |
358
|
|
|
|
|
|
|
# print $pdf->stringify; |
359
|
|
|
|
|
|
|
# |
360
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(); |
361
|
|
|
|
|
|
|
# ... |
362
|
|
|
|
|
|
|
# $pdf->saveas("our/new.pdf"); |
363
|
|
|
|
|
|
|
# |
364
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(-file => 'our/new.pdf'); |
365
|
|
|
|
|
|
|
# ... |
366
|
|
|
|
|
|
|
# $pdf->save; |
367
|
|
|
|
|
|
|
# |
368
|
|
|
|
|
|
|
#=cut |
369
|
|
|
|
|
|
|
sub save { |
370
|
0
|
|
|
0
|
0
|
|
my $self=shift; |
371
|
0
|
|
|
|
|
|
my %options = @_; |
372
|
|
|
|
|
|
|
|
373
|
0
|
|
|
|
|
|
$self->{pdf}->save; |
374
|
0
|
|
|
|
|
|
$self->{pdf}->end(); |
375
|
|
|
|
|
|
|
|
376
|
0
|
|
|
|
|
|
return 1; |
377
|
|
|
|
|
|
|
} |
378
|
|
|
|
|
|
|
|
379
|
|
|
|
|
|
|
#=item $pdf->stringify %opts |
380
|
|
|
|
|
|
|
# |
381
|
|
|
|
|
|
|
#Saves out the PDF as string. |
382
|
|
|
|
|
|
|
# |
383
|
|
|
|
|
|
|
#B |
384
|
|
|
|
|
|
|
# |
385
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(); |
386
|
|
|
|
|
|
|
# ... |
387
|
|
|
|
|
|
|
# print $pdf->stringify; |
388
|
|
|
|
|
|
|
# |
389
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(); |
390
|
|
|
|
|
|
|
# ... |
391
|
|
|
|
|
|
|
# $pdf->saveas("our/new.pdf"); |
392
|
|
|
|
|
|
|
# |
393
|
|
|
|
|
|
|
# $pdf = PDF::API2->new(-file => 'our/new.pdf'); |
394
|
|
|
|
|
|
|
# ... |
395
|
|
|
|
|
|
|
# $pdf->save; |
396
|
|
|
|
|
|
|
# |
397
|
|
|
|
|
|
|
#=cut |
398
|
|
|
|
|
|
|
sub stringify { |
399
|
0
|
|
|
0
|
0
|
|
my $self=shift; |
400
|
0
|
|
|
|
|
|
my %options = @_; |
401
|
|
|
|
|
|
|
|
402
|
0
|
|
|
|
|
|
return $self->{pdf}->stringify(); |
403
|
|
|
|
|
|
|
} |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
#--- Text block ------------------------------------------------------------- |
406
|
|
|
|
|
|
|
# This code was borrowed from a tutorial. It is an easy way to create paragraphs in PDFs. |
407
|
|
|
|
|
|
|
sub text_block { |
408
|
0
|
|
|
0
|
0
|
|
my $text_object = shift; |
409
|
0
|
|
|
|
|
|
my $text = shift; |
410
|
|
|
|
|
|
|
|
411
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0
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|
my $endw; |
412
|
|
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|
413
|
0
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|
my %arg = @_; |
414
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|
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|
415
|
|
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|
# Get the text in paragraphs |
416
|
0
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|
my @paragraphs = split( /\n/, $text ); |
417
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418
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|
# calculate width of all words |
419
|
0
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|
my $space_width = $text_object->advancewidth(' '); |
420
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|
421
|
0
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|
my @words = split( /\s+/, $text ); |
422
|
0
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|
my %width = (); |
423
|
0
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|
foreach (@words) { |
424
|
0
|
0
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next if exists $width{$_}; |
425
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0
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|
$width{$_} = $text_object->advancewidth($_); |
426
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|
} |
427
|
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428
|
0
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|
my $ypos = $arg{'-y'}; |
429
|
0
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|
|
my @paragraph = split( / /, shift(@paragraphs) ); |
430
|
|
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|
431
|
0
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|
my $first_line = 1; |
432
|
0
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|
my $first_paragraph = 1; |
433
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|
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|
434
|
0
|
0
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|
if (not exists $arg{'-h'}) { $arg{'-heightless'} = 1; } |
|
0
|
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|
|
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|
435
|
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436
|
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|
# while we can add another line |
437
|
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438
|
0
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|
0
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|
|
while ( ( $ypos >= $arg{'-y'} - $arg{'-h'} + $arg{'-lead'} ) or $arg{'-heightless'} ) { |
439
|
0
|
0
|
|
|
|
|
unless (@paragraph) { |
440
|
0
|
0
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|
last unless scalar @paragraphs; |
441
|
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|
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442
|
0
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|
@paragraph = split( / /, shift(@paragraphs) ); |
443
|
|
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|
|
|
|
444
|
0
|
0
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|
$ypos -= $arg{'-parspace'} if $arg{'-parspace'}; |
445
|
0
|
0
|
|
|
|
|
if (not $arg{'-heightless'}) { |
446
|
0
|
0
|
|
|
|
|
last unless $ypos >= $arg{'-y'} - $arg{'-h'}; |
447
|
|
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|
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|
} |
448
|
|
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|
|
|
|
|
449
|
0
|
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|
$first_line = 1; |
450
|
0
|
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|
$first_paragraph = 0; |
451
|
|
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|
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|
} |
452
|
|
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|
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|
|
453
|
0
|
|
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|
|
|
my $xpos = $arg{'-x'}; |
454
|
|
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|
|
|
|
|
455
|
|
|
|
|
|
|
# while there's room on the line, add another word |
456
|
0
|
|
|
|
|
|
my @line = (); |
457
|
|
|
|
|
|
|
|
458
|
0
|
|
|
|
|
|
my $line_width = 0; |
459
|
0
|
0
|
0
|
|
|
|
if ( $first_line && exists $arg{'-hang'} ) { |
|
|
0
|
0
|
|
|
|
|
|
|
0
|
0
|
|
|
|
|
|
|
0
|
|
|
|
|
|
460
|
|
|
|
|
|
|
|
461
|
0
|
|
|
|
|
|
my $hang_width = $text_object->advancewidth( $arg{'-hang'} ); |
462
|
|
|
|
|
|
|
|
463
|
0
|
0
|
0
|
|
|
|
if (not ($arg{'-heightless'} and $arg{'-measure'}) ) { # skip adding text if just measuring |
464
|
0
|
|
|
|
|
|
$text_object->translate( $xpos, $ypos ); |
465
|
0
|
|
|
|
|
|
$text_object->text( $arg{'-hang'} ); |
466
|
|
|
|
|
|
|
} |
467
|
|
|
|
|
|
|
|
468
|
0
|
|
|
|
|
|
$xpos += $hang_width; |
469
|
0
|
|
|
|
|
|
$line_width += $hang_width; |
470
|
0
|
0
|
|
|
|
|
$arg{'-indent'} += $hang_width if $first_paragraph; |
471
|
|
|
|
|
|
|
|
472
|
|
|
|
|
|
|
} |
473
|
|
|
|
|
|
|
elsif ( $first_line && exists $arg{'-flindent'} ) { |
474
|
|
|
|
|
|
|
|
475
|
0
|
|
|
|
|
|
$xpos += $arg{'-flindent'}; |
476
|
0
|
|
|
|
|
|
$line_width += $arg{'-flindent'}; |
477
|
|
|
|
|
|
|
|
478
|
|
|
|
|
|
|
} |
479
|
|
|
|
|
|
|
elsif ( $first_paragraph && exists $arg{'-fpindent'} ) { |
480
|
|
|
|
|
|
|
|
481
|
0
|
|
|
|
|
|
$xpos += $arg{'-fpindent'}; |
482
|
0
|
|
|
|
|
|
$line_width += $arg{'-fpindent'}; |
483
|
|
|
|
|
|
|
|
484
|
|
|
|
|
|
|
} |
485
|
|
|
|
|
|
|
elsif ( exists $arg{'-indent'} ) { |
486
|
|
|
|
|
|
|
|
487
|
0
|
|
|
|
|
|
$xpos += $arg{'-indent'}; |
488
|
0
|
|
|
|
|
|
$line_width += $arg{'-indent'}; |
489
|
|
|
|
|
|
|
|
490
|
|
|
|
|
|
|
} |
491
|
|
|
|
|
|
|
|
492
|
0
|
|
0
|
|
|
|
while ( @paragraph |
493
|
|
|
|
|
|
|
and $line_width + ( scalar(@line) * $space_width ) + |
494
|
|
|
|
|
|
|
$width{ $paragraph[0] } < $arg{'-w'} ) |
495
|
|
|
|
|
|
|
{ |
496
|
|
|
|
|
|
|
|
497
|
0
|
|
|
|
|
|
$line_width += $width{ $paragraph[0] }; |
498
|
0
|
|
|
|
|
|
push( @line, shift(@paragraph) ); |
499
|
|
|
|
|
|
|
|
500
|
|
|
|
|
|
|
} |
501
|
|
|
|
|
|
|
|
502
|
|
|
|
|
|
|
# calculate the space width |
503
|
0
|
|
|
|
|
|
my ( $wordspace, $align ); |
504
|
0
|
0
|
0
|
|
|
|
if ( $arg{'-align'} eq 'fulljustify' |
|
|
|
0
|
|
|
|
|
505
|
|
|
|
|
|
|
or ( $arg{'-align'} eq 'justify' and @paragraph ) ) |
506
|
|
|
|
|
|
|
{ |
507
|
|
|
|
|
|
|
|
508
|
0
|
0
|
|
|
|
|
if ( scalar(@line) == 1 ) { |
509
|
0
|
|
|
|
|
|
@line = split( //, $line[0] ); |
510
|
|
|
|
|
|
|
|
511
|
|
|
|
|
|
|
} |
512
|
0
|
|
|
|
|
|
$wordspace = ( $arg{'-w'} - $line_width ) / ( scalar(@line) - 1 ); |
513
|
|
|
|
|
|
|
|
514
|
0
|
|
|
|
|
|
$align = 'justify'; |
515
|
|
|
|
|
|
|
} |
516
|
|
|
|
|
|
|
else { |
517
|
0
|
0
|
|
|
|
|
$align = ( $arg{'-align'} eq 'justify' ) ? 'left' : $arg{'-align'}; |
518
|
|
|
|
|
|
|
|
519
|
0
|
|
|
|
|
|
$wordspace = $space_width; |
520
|
|
|
|
|
|
|
} |
521
|
0
|
|
|
|
|
|
$line_width += $wordspace * ( scalar(@line) - 1 ); |
522
|
|
|
|
|
|
|
|
523
|
0
|
0
|
|
|
|
|
if ( $align eq 'justify' ) { |
524
|
0
|
|
|
|
|
|
foreach my $word (@line) { |
525
|
|
|
|
|
|
|
|
526
|
0
|
0
|
0
|
|
|
|
if (not ($arg{'-heightless'} and $arg{'-measure'}) ) { # skip adding text if just measuring |
527
|
0
|
|
|
|
|
|
$text_object->translate( $xpos, $ypos ); |
528
|
0
|
|
|
|
|
|
$text_object->text($word, -indent => $arg{'-indent'}); |
529
|
|
|
|
|
|
|
} |
530
|
|
|
|
|
|
|
|
531
|
0
|
0
|
|
|
|
|
$xpos += ( $width{$word} + $wordspace ) if (@line); |
532
|
|
|
|
|
|
|
|
533
|
|
|
|
|
|
|
} |
534
|
0
|
|
|
|
|
|
$endw = $arg{'-w'}; |
535
|
|
|
|
|
|
|
} |
536
|
|
|
|
|
|
|
else { |
537
|
|
|
|
|
|
|
|
538
|
|
|
|
|
|
|
# calculate the left hand position of the line |
539
|
0
|
0
|
|
|
|
|
if ( $align eq 'right' ) { |
|
|
0
|
|
|
|
|
|
540
|
0
|
|
|
|
|
|
$xpos += $arg{'-w'} - $line_width; |
541
|
|
|
|
|
|
|
|
542
|
|
|
|
|
|
|
} |
543
|
|
|
|
|
|
|
elsif ( $align eq 'center' ) { |
544
|
0
|
|
|
|
|
|
$xpos += ( $arg{'-w'} / 2 ) - ( $line_width / 2 ); |
545
|
|
|
|
|
|
|
|
546
|
|
|
|
|
|
|
} |
547
|
|
|
|
|
|
|
|
548
|
|
|
|
|
|
|
# render the line |
549
|
0
|
0
|
0
|
|
|
|
if (not ($arg{'-heightless'} and $arg{'-measure'}) ) { # skip adding text if just measuring |
550
|
0
|
|
|
|
|
|
$text_object->translate( $xpos, $ypos ); |
551
|
|
|
|
|
|
|
|
552
|
0
|
|
|
|
|
|
$endw = $text_object->text( join( ' ', @line ), -indent => $arg{'-indent'} ); |
553
|
|
|
|
|
|
|
} |
554
|
|
|
|
|
|
|
|
555
|
|
|
|
|
|
|
} |
556
|
0
|
|
|
|
|
|
$ypos -= $arg{'-lead'}; |
557
|
0
|
|
|
|
|
|
$first_line = 0; |
558
|
|
|
|
|
|
|
|
559
|
|
|
|
|
|
|
} |
560
|
|
|
|
|
|
|
|
561
|
0
|
0
|
|
|
|
|
unshift( @paragraphs, join( ' ', @paragraph ) ) if scalar(@paragraph); |
562
|
|
|
|
|
|
|
|
563
|
0
|
|
|
|
|
|
return ( $endw, $ypos, join( "\n", @paragraphs ) ) |
564
|
|
|
|
|
|
|
|
565
|
|
|
|
|
|
|
} |
566
|
|
|
|
|
|
|
|
567
|
|
|
|
|
|
|
1; |
568
|
|
|
|
|
|
|
__END__ |