diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
commit | 399644e47874bff147afb19c89228901ac39340e (patch) | |
tree | 1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /scripts/LinuxManBook/gropdf | |
parent | Initial commit. (diff) | |
download | manpages-399644e47874bff147afb19c89228901ac39340e.tar.xz manpages-399644e47874bff147afb19c89228901ac39340e.zip |
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/LinuxManBook/gropdf')
-rwxr-xr-x | scripts/LinuxManBook/gropdf | 3710 |
1 files changed, 3710 insertions, 0 deletions
diff --git a/scripts/LinuxManBook/gropdf b/scripts/LinuxManBook/gropdf new file mode 100755 index 0000000..8474e58 --- /dev/null +++ b/scripts/LinuxManBook/gropdf @@ -0,0 +1,3710 @@ +#!/bin/perl -w +# +# gropdf : PDF post processor for groff +# +# Copyright (C) 2011-2018 Free Software Foundation, Inc. +# Written by Deri James <deri@chuzzlewit.myzen.co.uk> (and KUBO Koichi) +# + +# This file is part of groff. +# +# groff is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free +# Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# groff is distributed in the hope that it will be useful, but WITHOUT ANY +# WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +use strict; +use Getopt::Long qw(:config bundling); +use Encode; + +my $use_suppl_font = 1; +my $use_unicode_bookmark = 1; + +use constant +{ + WIDTH => 0, + CHRCODE => 1, + PSNAME => 2, + ASSIGNED => 3, + USED => 4, + SUPPL => 5, +}; + +my $gotzlib=0; + +my $rc = eval +{ + require Compress::Zlib; + Compress::Zlib->import(); + 1; +}; + +if($rc) +{ + $gotzlib=1; +} +else +{ + Msg(0,"Perl module Compress::Zlib not available - cannot compress this pdf"); +} + +my %cfg; + +$cfg{GROFF_VERSION}='1.22.4'; +$cfg{GROFF_FONT_PATH}='/usr/share/groff/site-font:/usr/share/groff/1.22.4/font:/usr/lib/font'; +$cfg{RT_SEP}=':'; +binmode(STDOUT); + +my @obj; # Array of PDF objects +my $objct=0; # Count of Objects +my $fct=0; # Output count +my %fnt; # Used fonts +my $lct=0; # Input Line Count +my $src_name=''; +my %env; # Current environment +my %fontlst; # Fonts Loaded +my $rot=0; # Portrait +my %desc; # Contents of DESC +my %download; # Contents of downlopad file +my $pages; # Pointer to /Pages object +my $devnm='devpdf'; +my $cpage; # Pointer to current pages +my $cpageno=0; # Object no of current page +my $cat; # Pointer to catalogue +my $dests; # Pointer to Dests +my @mediabox=(0,0,595,842); +my @defaultmb=(0,0,595,842); +my $stream=''; # Current Text/Graphics stream +my $cftsz=10; # Current font sz +my $cft; # Current Font +my $cftsup=0; # Current Font (supplemental) +my $lwidth=1; # current linewidth +my $linecap=1; +my $linejoin=1; +my $textcol=''; # Current groff text +my $fillcol=''; # Current groff fill +my $curfill=''; # Current PDF fill +my $strkcol=''; +my $curstrk=''; +my @lin=(); # Array holding current line of text +my @ahead=(); # Buffer used to hol the next line +my $mode='g'; # Graphic (g) or Text (t) mode; +my $xpos=0; # Current X position +my $ypos=0; # Current Y position +my $tmxpos=0; +my $kernadjust=0; +my $curkern=0; +my $widtbl; # Pointer to width table for current font size +my $origwidtbl; # Pointer to width table +my $krntbl; # Pointer to kern table +my $matrix="1 0 0 1"; +my $whtsz; # Current width of a space +my $poschg=0; # V/H pending +my $fontchg=0; # font change pending +my $tnum=2; # flatness of B-Spline curve +my $tden=3; # flatness of B-Spline curve +my $linewidth=40; +my $w_flg=0; +my $nomove=0; +my $pendmv=0; +my $gotT=0; +my $suppress=0; # Suppress processing? +my %incfil; # Included Files +my @outlev=([0,undef,0,0]); # Structure pdfmark /OUT entries +my $curoutlev=\@outlev; +my $curoutlevno=0; # Growth point for @curoutlev +my $Foundry=''; +my $xrev=0; # Reverse x direction of font +my $matrixchg=0; +my $wt=-1; +my $thislev=1; +my $mark=undef; +my $suspendmark=undef; + + + +my $n_flg=1; +my $pginsert=-1; # Growth point for kids array +my %pgnames; # 'names' of pages for switchtopage +my @outlines=(); # State of Bookmark Outlines at end of each page +my $custompaper=0; # Has there been an X papersize +my $textenccmap=''; # CMap for groff text.enc encoding +my @XOstream=(); +my @PageAnnots={}; +my $noslide=0; +my $transition={PAGE => {Type => '/Trans', S => '', D => 1, Dm => '/H', M => '/I', Di => 0, SS => 1.0, B => 0}, + BLOCK => {Type => '/Trans', S => '', D => 1, Dm => '/H', M => '/I', Di => 0, SS => 1.0, B => 0}}; +my $firstpause=0; +my $present=0; + +$noslide=1 if exists($ENV{GROPDF_NOSLIDE}) and $ENV{GROPDF_NOSLIDE}; + +my %ppsz=( 'ledger'=>[1224,792], + 'legal'=>[612,1008], + 'letter'=>[612,792], + 'a0'=>[2384,3370], + 'a1'=>[1684,2384], + 'a2'=>[1191,1684], + 'a3'=>[842,1191], + 'a4'=>[595,842], + 'a5'=>[420,595], + 'a6'=>[297,420], + 'a7'=>[210,297], + 'a8'=>[148,210], + 'a9'=>[105,148], + 'a10'=>[73,105], + 'isob0'=>[2835,4008], + 'isob1'=>[2004,2835], + 'isob2'=>[1417,2004], + 'isob3'=>[1001,1417], + 'isob4'=>[709,1001], + 'isob5'=>[499,709], + 'isob6'=>[354,499], + 'c0'=>[2599,3677], + 'c1'=>[1837,2599], + 'c2'=>[1298,1837], + 'c3'=>[918,1298], + 'c4'=>[649,918], + 'c5'=>[459,649], + 'c6'=>[323,459] ); + +my $ucmap=<<'EOF'; +/CIDInit /ProcSet findresource begin +12 dict begin +begincmap +/CIDSystemInfo +<< /Registry (Adobe) +/Ordering (UCS) +/Supplement 0 +>> def +/CMapName /Adobe-Identity-UCS def +/CMapType 2 def +1 begincodespacerange +<0000> <FFFF> +endcodespacerange +2 beginbfrange +<008b> <008f> [<00660066> <00660069> <0066006c> <006600660069> <00660066006C>] +<00ad> <00ad> <002d> +endbfrange +endcmap +CMapName currentdict /CMap defineresource pop +end +end +EOF + +my $fd; +my $frot; +my $fpsz; +my $embedall=0; +my $debug=0; +my $version=0; +my $stats=0; +my $unicodemap; +my @idirs; + +#Load_Config(); + +GetOptions("F=s" => \$fd, 'I=s' => \@idirs, 'l' => \$frot, 'p=s' => \$fpsz, 'd!' => \$debug, 'v' => \$version, 'version' => \$version, 'e' => \$embedall, 'y=s' => \$Foundry, 's' => \$stats, 'u:s' => \$unicodemap); + +unshift(@idirs,'.'); + +if ($version) +{ + print "GNU gropdf (groff) version $cfg{GROFF_VERSION}\n"; + exit; +} + +if (defined($unicodemap)) +{ + if ($unicodemap eq '') + { + $ucmap=''; + } + elsif (-r $unicodemap) + { + local $/; + open(F,"<$unicodemap") or die "gropdf: Failed to open '$unicodemap'"; + ($ucmap)=(<F>); + close(F); + } + else + { + Msg(0,"Failed to find '$unicodemap' - ignoring"); + } +} + +# Search for 'font directory': paths in -f opt, shell var GROFF_FONT_PATH, default paths + +my $fontdir=$cfg{GROFF_FONT_PATH}; +$fontdir=$ENV{GROFF_FONT_PATH}.$cfg{RT_SEP}.$fontdir if exists($ENV{GROFF_FONT_PATH}); +$fontdir=$fd.$cfg{RT_SEP}.$fontdir if defined($fd); + +$rot=90 if $frot; +$matrix="0 1 -1 0" if $frot; + +LoadDownload(); +LoadDesc(); + +my $unitwidth=$desc{unitwidth}; +my $papersz=$desc{papersize}; +$papersz=lc($fpsz) if $fpsz; + +$env{FontHT}=0; +$env{FontSlant}=0; +MakeMatrix(); + +if (substr($papersz,0,1) eq '/' and -r $papersz) +{ + if (open(P,"<$papersz")) + { + while (<P>) + { + chomp; + s/# .*//; + next if $_ eq ''; + $papersz=$_; + last + } + + close(P); + } +} + +if ($papersz=~m/([\d.]+)([cipP]),([\d.]+)([cipP])/) +{ + @defaultmb=@mediabox=(0,0,ToPoints($3,$4),ToPoints($1,$2)); +} +elsif (exists($ppsz{$papersz})) +{ + @defaultmb=@mediabox=(0,0,$ppsz{$papersz}->[0],$ppsz{$papersz}->[1]); +} + +my (@dt)=localtime($ENV{SOURCE_DATE_EPOCH} || time); +my $dt=PDFDate(\@dt); + +my %info=('Creator' => "(groff version $cfg{GROFF_VERSION})", + 'Producer' => "(gropdf version $cfg{GROFF_VERSION})", + 'ModDate' => "($dt)", + 'CreationDate' => "($dt)"); + +while (<>) +{ + chomp; + s/\r$//; + $lct++; + + do # The ahead buffer behaves like 'ungetc' + {{ + if (scalar(@ahead)) + { + $_=shift(@ahead); + } + + + my $cmd=substr($_,0,1); + next if $cmd eq '#'; # just a comment + my $lin=substr($_,1); + + while ($cmd eq 'w') + { + $cmd=substr($lin,0,1); + $lin=substr($lin,1); + $w_flg=1 if $gotT; + } + + $lin=~s/^\s+//; +# $lin=~s/\s#.*?$//; # remove comment + $stream.="\% $_\n" if $debug; + + do_x($lin),next if ($cmd eq 'x'); + next if $suppress; + do_p($lin),next if ($cmd eq 'p'); + do_f($lin),next if ($cmd eq 'f'); + do_s($lin),next if ($cmd eq 's'); + do_m($lin),next if ($cmd eq 'm'); + do_D($lin),next if ($cmd eq 'D'); + do_V($lin),next if ($cmd eq 'V'); + do_v($lin),next if ($cmd eq 'v'); + do_t($lin),next if ($cmd eq 't'); + do_u($lin),next if ($cmd eq 'u'); + do_C($lin),next if ($cmd eq 'C'); + do_c($lin),next if ($cmd eq 'c'); + do_N($lin),next if ($cmd eq 'N'); + do_h($lin),next if ($cmd eq 'h'); + do_H($lin),next if ($cmd eq 'H'); + do_n($lin),next if ($cmd eq 'n'); + + my $tmp=scalar(@ahead); + }} until scalar(@ahead) == 0; + +} + +exit 0 if $lct==0; + +if ($cpageno > 0) +{ + my $trans='BLOCK'; + + $trans='PAGE' if $firstpause; + + if (scalar(@XOstream)) + { + MakeXO() if $stream; + $stream=join("\n",@XOstream)."\n"; + } + + my %t=%{$transition->{$trans}}; + $cpage->{MediaBox}=\@mediabox if $custompaper; + $cpage->{Trans}=FixTrans(\%t) if $t{S}; + + if ($#PageAnnots >= 0) + { + @{$cpage->{Annots}}=@PageAnnots; + } + + PutObj($cpageno); + OutStream($cpageno+1); +} + +$cat->{PageMode}='/FullScreen' if $present; + +PutOutlines(\@outlev); + +PutObj(1); + +my $info=BuildObj(++$objct,\%info); + +PutObj($objct); + +foreach my $fontno (keys %fontlst) +{ + my $o=$fontlst{$fontno}->{FNT}; + + foreach my $ch (@{$o->{NO}}) + { + my $psname=$o->{NAM}->{$ch->[1]}->[PSNAME] || '/.notdef'; + my $wid=$o->{NAM}->{$ch->[1]}->[WIDTH] || 0; + + push(@{$o->{DIFF}},$psname); + push(@{$o->{WIDTH}},$wid); + last if $#{$o->{DIFF}} >= 255; + } + unshift(@{$o->{DIFF}},0) if !$use_suppl_font; + my $p=GetObj($fontlst{$fontno}->{OBJ}); + + if (exists($p->{LastChar}) and $p->{LastChar} > 255) + { + $p->{LastChar} = 255; + splice(@{$o->{DIFF}},256); + splice(@{$o->{WIDTH}},256); + } + + if ($use_suppl_font) { + my $fnt = $o; + while ($fnt = $fnt->{NEXT}) { + my (@d, @w); + + foreach my $cn (0..255) { + my $ch = $fnt->{NO}->[$cn + $fnt->{SUPPL} * 256]; + if ($ch && $ch->[1] && $fnt->{NAM}->{$ch->[1]}->[USED]) { + push @d, $fnt->{NAM}->{$ch->[1]}->[PSNAME] || '/.notdef'; + push @w, $fnt->{NAM}->{$ch->[1]}->[WIDTH] || 0; + } else { + push @d, '/.notdef'; + push @w, 0; + } + } + + my $obj = BuildObj($objct + 1, { + %{$p}{qw/Type Subtype BaseFont FontDescriptor/}, + Widths => \@w, + FirstChar => 0, + LastChar => 255, + Encoding => BuildObj($objct + 2, { + Type => '/Encoding', + Differences => \@d, + }), + }); + $objct += 2; + + my $q = GetObj(2); + $q->{Resources}->{Font}->{$fnt->{NM}.'.'.$fnt->{SUPPL}} = $obj; + } + } +} + +foreach my $o (3..$objct) +{ + PutObj($o) if (!exists($obj[$o]->{XREF})); +} + +#my $encrypt=BuildObj(++$objct,{'Filter' => '/Standard', 'V' => 1, 'R' => 2, 'P' => 252}); +#PutObj($objct); +PutObj(2); + +my $xrefct=$fct; + +$objct+=1; +print "xref\n0 $objct\n0000000000 65535 f \n"; + +foreach my $xr (@obj) +{ + next if !defined($xr); + printf("%010d 00000 n \n",$xr->{XREF}); +} + +print "trailer\n<<\n/Info $info\n/Root 1 0 R\n/Size $objct\n>>\nstartxref\n$fct\n\%\%EOF\n"; +print "\% Pages=$pages->{Count}\n" if $stats; + + +sub MakeMatrix +{ + my $fontxrev=shift||0; + my @mat=($frot)?(0,1,-1,0):(1,0,0,1); + + if (!$frot) + { + if ($env{FontHT} != 0) + { + $mat[3]=sprintf('%.3f',$env{FontHT}/$cftsz); + } + + if ($env{FontSlant} != 0) + { + my $slant=$env{FontSlant}; + $slant*=$env{FontHT}/$cftsz if $env{FontHT} != 0; + my $ang=rad($slant); + + $mat[2]=sprintf('%.3f',sin($ang)/cos($ang)); + } + + if ($fontxrev) + { + $mat[0]=-$mat[0]; + } + } + + $matrix=join(' ',@mat); + $matrixchg=1; +} + +sub PutOutlines +{ + my $o=shift; + my $outlines; + + if ($#{$o} > 0) + { + # We've got Outlines to deal with + my $openct=$curoutlev->[0]->[2]; + + while ($thislev-- > 1) + { + my $nxtoutlev=$curoutlev->[0]->[1]; + $nxtoutlev->[0]->[2]+=$openct if $curoutlev->[0]->[3]==1; + $openct=0 if $nxtoutlev->[0]->[3]==-1; + $curoutlev=$nxtoutlev; + } + + $cat->{Outlines}=BuildObj(++$objct,{'Count' => abs($o->[0]->[0])+$o->[0]->[2]}); + $outlines=$obj[$objct]->{DATA}; + } + else + { + return; + } + + SetOutObj($o); + + $outlines->{First}=$o->[1]->[2]; + $outlines->{Last}=$o->[$#{$o}]->[2]; + + LinkOutObj($o,$cat->{Outlines}); +} + +sub SetOutObj +{ + my $o=shift; + + for my $j (1..$#{$o}) + { + my $ono=BuildObj(++$objct,$o->[$j]->[0]); + $o->[$j]->[2]=$ono; + + SetOutObj($o->[$j]->[1]) if $#{$o->[$j]->[1]} > -1; + } +} + +sub LinkOutObj +{ + my $o=shift; + my $parent=shift; + + for my $j (1..$#{$o}) + { + my $op=GetObj($o->[$j]->[2]); + + $op->{Next}=$o->[$j+1]->[2] if ($j < $#{$o}); + $op->{Prev}=$o->[$j-1]->[2] if ($j > 1); + $op->{Parent}=$parent; + + if ($#{$o->[$j]->[1]} > -1) + { + $op->{Count}=$o->[$j]->[1]->[0]->[2]*$o->[$j]->[1]->[0]->[3];# if exists($op->{Count}) and $op->{Count} > 0; + $op->{First}=$o->[$j]->[1]->[1]->[2]; + $op->{Last}=$o->[$j]->[1]->[$#{$o->[$j]->[1]}]->[2]; + LinkOutObj($o->[$j]->[1],$o->[$j]->[2]); + } + } +} + +sub GetObj +{ + my $ono=shift; + ($ono)=split(' ',$ono); + return($obj[$ono]->{DATA}); +} + + + +sub PDFDate +{ + my $dt=shift; + return(sprintf("D:%04d%02d%02d%02d%02d%02d%+03d'00'",$dt->[5]+1900,$dt->[4]+1,$dt->[3],$dt->[2],$dt->[1],$dt->[0],( localtime time() + 3600*( 12 - (gmtime)[2] ) )[2] - 12)); +} + +sub ToPoints +{ + my $num=shift; + my $unit=shift; + + if ($unit eq 'i') + { + return($num*72); + } + elsif ($unit eq 'c') + { + return int($num*72/2.54); + } + elsif ($unit eq 'm') # millimetres + { + return int($num*72/25.4); + } + elsif ($unit eq 'p') + { + return($num); + } + elsif ($unit eq 'P') + { + return($num*6); + } + elsif ($unit eq 'z') + { + return($num/$unitwidth); + } + else + { + Msg(1,"Unknown scaling factor '$unit'"); + } +} + +sub Load_Config +{ + open(CFG,"<gropdf_config") or die "Can't open config file: $!"; + + while (<CFG>) + { + chomp; + my ($key,$val)=split(/ ?= ?/); + + $cfg{$key}=$val; + } + + close(CFG); +} + +sub LoadDownload +{ + my $f; + my $found=0; + + my (@dirs)=split($cfg{RT_SEP},$fontdir); + + foreach my $dir (@dirs) + { + $f=undef; + OpenFile(\$f,$dir,"download"); + next if !defined($f); + $found++; + + while (<$f>) + { + chomp; + s/#.*$//; + next if $_ eq ''; + my ($foundry,$name,$file)=split(/\t+/); + if (substr($file,0,1) eq '*') + { + next if !$embedall; + $file=substr($file,1); + } + + $download{"$foundry $name"}=$file; + } + + close($f); + } + + Msg(1,"Failed to open 'download'") if !$found; +} + +sub OpenFile +{ + my $f=shift; + my $dirs=shift; + my $fnm=shift; + + if (substr($fnm,0,1) eq '/' or substr($fnm,1,1) eq ':') # dos + { + return if -r "$fnm" and open($$f,"<$fnm"); + } + + my (@dirs)=split($cfg{RT_SEP},$dirs); + + foreach my $dir (@dirs) + { + last if -r "$dir/$devnm/$fnm" and open($$f,"<$dir/$devnm/$fnm"); + } +} + +sub LoadDesc +{ + my $f; + + OpenFile(\$f,$fontdir,"DESC"); + Msg(1,"Failed to open 'DESC'") if !defined($f); + + while (<$f>) + { + chomp; + s/#.*$//; + next if $_ eq ''; + my ($name,$prms)=split(' ',$_,2); + $desc{lc($name)}=$prms; + } + + close($f); +} + +sub rad { $_[0]*3.14159/180 } + +my $InPicRotate=0; + +sub do_x +{ + my $l=shift; + my ($xcmd,@xprm)=split(' ',$l); + $xcmd=substr($xcmd,0,1); + + if ($xcmd eq 'T') + { + Msg(0,"Expecting a pdf pipe (got $xprm[0])") if $xprm[0] ne substr($devnm,3); + } + elsif ($xcmd eq 'f') # Register Font + { + $xprm[1]="${Foundry}-$xprm[1]" if $Foundry ne ''; + LoadFont($xprm[0],$xprm[1]); + } + elsif ($xcmd eq 'F') # Source File (for errors) + { + $env{SourceFile}=$xprm[0]; + } + elsif ($xcmd eq 'H') # FontHT + { + $xprm[0]/=$unitwidth; + $xprm[0]=0 if $xprm[0] == $cftsz; + $env{FontHT}=$xprm[0]; + MakeMatrix(); + } + elsif ($xcmd eq 'S') # FontSlant + { + $env{FontSlant}=$xprm[0]; + MakeMatrix(); + } + elsif ($xcmd eq 'i') # Initialise + { + if ($objct == 0) + { + $objct++; + @defaultmb=@mediabox; + BuildObj($objct,{'Pages' => BuildObj($objct+1, + {'Kids' => [], + 'Count' => 0, + 'Type' => '/Pages', + 'Rotate' => $rot, + 'MediaBox' => \@defaultmb, + 'Resources' => + {'Font' => {}, + 'ProcSet' => ['/PDF', '/Text', '/ImageB', '/ImageC', '/ImageI']} + } + ), + 'Type' => '/Catalog'}); + + $cat=$obj[$objct]->{DATA}; + $objct++; + $pages=$obj[2]->{DATA}; + Put("%PDF-1.4\n\x25\xe2\xe3\xcf\xd3\n"); + } + } + elsif ($xcmd eq 'X') + { + # There could be extended args + do + {{ + LoadAhead(1); + if (substr($ahead[0],0,1) eq '+') + { + $l.="\n".substr($ahead[0],1); + shift(@ahead); + } + }} until $#ahead==0; + + ($xcmd,@xprm)=split(' ',$l); + $xcmd=substr($xcmd,0,1); + + if ($xprm[0]=~m/^(.+:)(.+)/) + { + splice(@xprm,1,0,$2); + $xprm[0]=$1; + } + + my $par=join(' ',@xprm[1..$#xprm]); + + if ($xprm[0] eq 'ps:') + { + if ($xprm[1] eq 'invis') + { + $suppress=1; + } + elsif ($xprm[1] eq 'endinvis') + { + $suppress=0; + } + elsif ($par=~m/exec gsave currentpoint 2 copy translate (.+) rotate neg exch neg exch translate/) + { + # This is added by gpic to rotate a single object + + my $theta=-rad($1); + + IsGraphic(); + my ($curangle,$hyp)=RtoP($xpos,GraphY($ypos)); + my ($x,$y)=PtoR($theta+$curangle,$hyp); + $stream.="q\n".sprintf("%.3f %.3f %.3f %.3f %.3f %.3f cm",cos($theta),sin($theta),-sin($theta),cos($theta),$xpos-$x,GraphY($ypos)-$y)."\n"; + $InPicRotate=1; + } + elsif ($par=~m/exec grestore/ and $InPicRotate) + { + IsGraphic(); + $stream.="Q\n"; + $InPicRotate=0; + } + elsif ($par=~m/exec (\d) setlinejoin/) + { + IsGraphic(); + $linejoin=$1; + $stream.="$linejoin j\n"; + } + elsif ($par=~m/exec (\d) setlinecap/) + { + IsGraphic(); + $linecap=$1; + $stream.="$linecap J\n"; + } + elsif ($par=~m/exec %%%%PAUSE/i and !$noslide) + { + my $trans='BLOCK'; + + if ($firstpause) + { + $trans='PAGE'; + $firstpause=0; + } + MakeXO(); + NewPage($trans); + $present=1; + } + elsif ($par=~m/exec %%%%BEGINONCE/) + { + if ($noslide) + { + $suppress=1; + } + else + { + my $trans='BLOCK'; + + if ($firstpause) + { + $trans='PAGE'; + $firstpause=0; + } + MakeXO(); + NewPage($trans); + $present=1; + } + } + elsif ($par=~m/exec %%%%ENDONCE/) + { + if ($noslide) + { + $suppress=0; + } + else + { + MakeXO(); + NewPage('BLOCK'); + $cat->{PageMode}='/FullScreen'; + pop(@XOstream); + } + } + elsif ($par=~m/\[(.+) pdfmark/) + { + my $pdfmark=$1; + $pdfmark=~s((\d{4,6}) u)(sprintf("%.1f",$1/$desc{sizescale}))eg; + $pdfmark=~s(\\\[u00(..)\])(chr(hex($1)))eg; + + if ($pdfmark=~m/(.+) \/DOCINFO/) + { + my @xwds=split(' ',"<< $1 >>"); + my $docinfo=ParsePDFValue(\@xwds); + + foreach my $k (keys %{$docinfo}) + { + $info{$k}=$docinfo->{$k} if $k ne 'Producer'; + } + } + elsif ($pdfmark=~m/(.+) \/DOCVIEW/) + { + my @xwds=split(' ',"<< $1 >>"); + my $docview=ParsePDFValue(\@xwds); + + foreach my $k (keys %{$docview}) + { + $cat->{$k}=$docview->{$k} if !exists($cat->{$k}); + } + } + elsif ($pdfmark=~m/(.+) \/DEST/) + { + my @xwds=split(' ',"<< $1 >>"); + my $dest=ParsePDFValue(\@xwds); + foreach my $v (@{$dest->{View}}) + { + $v=GraphY(abs($v)) if substr($v,0,1) eq '-'; + } + unshift(@{$dest->{View}},"$cpageno 0 R"); + + if (!defined($dests)) + { + $cat->{Dests}=BuildObj(++$objct,{}); + $dests=$obj[$objct]->{DATA}; + } + + my $k=substr($dest->{Dest},1); + $dests->{$k}=$dest->{View}; + } + elsif ($pdfmark=~m/(.+) \/ANN/) + { + my $l=$1; + $l=~s/Color/C/; + $l=~s/Action/A/; + $l=~s/Title/T/; + $l=~s'/Subtype /URI'/S /URI'; + my @xwds=split(' ',"<< $l >>"); + my $annotno=BuildObj(++$objct,ParsePDFValue(\@xwds)); + my $annot=$obj[$objct]; + $annot->{DATA}->{Type}='/Annot'; + FixRect($annot->{DATA}->{Rect}); # Y origin to ll + FixPDFColour($annot->{DATA}); + push(@PageAnnots,$annotno); + } + elsif ($pdfmark=~m/(.+) \/OUT/) + { + my $t=$1; + $t=~s/\\\) /\\\\\) /g; + $t=~s/\\e/\\\\/g; + $t=~m/(^.*\/Title \()(.*)(\).*)/; + my ($pre,$title,$post)=($1,$2,$3); + if ($use_unicode_bookmark && + $title =~ s/\\\[u([0-9A-F_]+)\]/join( + '', map { pack "U", hex } split '_', $1 + )/eg) { + $title = join '', map sprintf("\\%o", $_), + unpack "C*", encode("utf16", $title); + } + $title=~s/(?<!\\)\(/\\\(/g; + $title=~s/(?<!\\)\)/\\\)/g; + my @xwds=split(' ',"<< $pre$title$post >>"); + my $out=ParsePDFValue(\@xwds); + + my $this=[$out,[]]; + + if (exists($out->{Level})) + { + my $lev=abs($out->{Level}); + my $levsgn=sgn($out->{Level}); + delete($out->{Level}); + + if ($lev > $thislev) + { + my $thisoutlev=$curoutlev->[$#{$curoutlev}]->[1]; + $thisoutlev->[0]=[0,$curoutlev,0,$levsgn]; + $curoutlev=$thisoutlev; + $curoutlevno=$#{$curoutlev}; + $thislev++; + } + elsif ($lev < $thislev) + { + my $openct=$curoutlev->[0]->[2]; + + while ($thislev > $lev) + { + my $nxtoutlev=$curoutlev->[0]->[1]; + $nxtoutlev->[0]->[2]+=$openct if $curoutlev->[0]->[3]==1; + $openct=0 if $nxtoutlev->[0]->[3]==-1; + $curoutlev=$nxtoutlev; + $thislev--; + } + + $curoutlevno=$#{$curoutlev}; + } + +# push(@{$curoutlev},$this); + splice(@{$curoutlev},++$curoutlevno,0,$this); + $curoutlev->[0]->[2]++; + } + else + { + # This code supports old pdfmark.tmac, unused by pdf.tmac + while ($curoutlev->[0]->[0] == 0 and defined($curoutlev->[0]->[1])) + { + $curoutlev=$curoutlev->[0]->[1]; + } + + $curoutlev->[0]->[0]--; + $curoutlev->[0]->[2]++; + push(@{$curoutlev},$this); + + + if (exists($out->{Count}) and $out->{Count} != 0) + { + push(@{$this->[1]},[abs($out->{Count}),$curoutlev,0,sgn($out->{Count})]); + $curoutlev=$this->[1]; + + if ($out->{Count} > 0) + { + my $p=$curoutlev; + + while (defined($p)) + { + $p->[0]->[2]+=$out->{Count}; + $p=$p->[0]->[1]; + } + } + } + } + } + } + } + elsif (lc($xprm[0]) eq 'pdf:') + { + if (lc($xprm[1]) eq 'import') + { + my $fil=$xprm[2]; + my $llx=$xprm[3]; + my $lly=$xprm[4]; + my $urx=$xprm[5]; + my $ury=$xprm[6]; + my $wid=$xprm[7]; + my $hgt=$xprm[8]||-1; + my $mat=[1,0,0,1,0,0]; + + if (!exists($incfil{$fil})) + { + if ($fil=~m/\.pdf$/) + { + $incfil{$fil}=LoadPDF($fil,$mat,$wid,$hgt,"import"); + } + elsif ($fil=~m/\.swf$/) + { + my $xscale=$wid/($urx-$llx+1); + my $yscale=($hgt<=0)?$xscale:($hgt/($ury-$lly+1)); + $hgt=($ury-$lly+1)*$yscale; + + if ($rot) + { + $mat->[3]=$xscale; + $mat->[0]=$yscale; + } + else + { + $mat->[0]=$xscale; + $mat->[3]=$yscale; + } + + $incfil{$fil}=LoadSWF($fil,[$llx,$lly,$urx,$ury],$mat); + } + else + { + Msg(0,"Unknown filetype '$fil'"); + return undef; + } + } + + if (defined($incfil{$fil})) + { + IsGraphic(); + if ($fil=~m/\.pdf$/) + { + my $bbox=$incfil{$fil}->[1]; + my $xscale=d3($wid/($bbox->[2]-$bbox->[0]+1)); + my $yscale=d3(($hgt<=0)?$xscale:($hgt/($bbox->[3]-$bbox->[1]+1))); + $wid=($bbox->[2]-$bbox->[0])*$xscale; + $hgt=($bbox->[3]-$bbox->[1])*$yscale; + $ypos+=$hgt; + $stream.="q $xscale 0 0 $yscale ".PutXY($xpos,$ypos)." cm"; + $stream.=" 0 1 -1 0 0 0 cm" if $rot; + $stream.=" /$incfil{$fil}->[0] Do Q\n"; + } + elsif ($fil=~m/\.swf$/) + { + $stream.=PutXY($xpos,$ypos)." m /$incfil{$fil} Do\n"; + } + } + } + elsif (lc($xprm[1]) eq 'pdfpic') + { + my $fil=$xprm[2]; + my $flag=uc($xprm[3]||'-L'); + my $wid=GetPoints($xprm[4])||-1; + my $hgt=GetPoints($xprm[5]||-1); + my $ll=GetPoints($xprm[6]||0); + my $mat=[1,0,0,1,0,0]; + + if (!exists($incfil{$fil})) + { + $incfil{$fil}=LoadPDF($fil,$mat,$wid,$hgt,"pdfpic"); + } + + if (defined($incfil{$fil})) + { + IsGraphic(); + my $bbox=$incfil{$fil}->[1]; + $wid=($bbox->[2]-$bbox->[0]) if $wid <= 0; + my $xscale=d3($wid/($bbox->[2]-$bbox->[0])); + my $yscale=d3(($hgt<=0)?$xscale:($hgt/($bbox->[3]-$bbox->[1]))); + $xscale=($wid<=0)?$yscale:$xscale; + $xscale=$yscale if $yscale < $xscale; + $yscale=$xscale if $xscale < $yscale; + $wid=($bbox->[2]-$bbox->[0])*$xscale; + $hgt=($bbox->[3]-$bbox->[1])*$yscale; + + if ($flag eq '-C' and $ll > $wid) + { + $xpos=int(($ll-$wid)/2); + } + elsif ($flag eq '-R' and $ll > $wid) + { + $xpos=$ll-$wid; + } + + $ypos+=$hgt; + $stream.="q $xscale 0 0 $yscale ".PutXY($xpos,$ypos)." cm"; + $stream.=" 0 1 -1 0 0 0 cm" if $rot; + $stream.=" /$incfil{$fil}->[0] Do Q\n"; + } + } + elsif (lc($xprm[1]) eq 'xrev') + { + $xrev=!$xrev; + } + elsif (lc($xprm[1]) eq 'markstart') + { + $mark={'rst' => ($xprm[2]+$xprm[4])/$unitwidth, 'rsb' => ($xprm[3]-$xprm[4])/$unitwidth, 'xpos' => $xpos-($xprm[4]/$unitwidth), + 'ypos' => $ypos, 'lead' => $xprm[4]/$unitwidth, 'pdfmark' => join(' ',@xprm[5..$#xprm])}; + } + elsif (lc($xprm[1]) eq 'markend') + { + PutHotSpot($xpos) if defined($mark); + $mark=undef; + } + elsif (lc($xprm[1]) eq 'marksuspend') + { + $suspendmark=$mark; + $mark=undef; + } + elsif (lc($xprm[1]) eq 'markrestart') + { + $mark=$suspendmark; + $suspendmark=undef; + } + elsif (lc($xprm[1]) eq 'pagename') + { + if ($pginsert > -1) + { + $pgnames{$xprm[2]}=$pages->{Kids}->[$pginsert]; + } + else + { + $pgnames{$xprm[2]}='top'; + } + } + elsif (lc($xprm[1]) eq 'switchtopage') + { + my $ba=$xprm[2]; + my $want=$xprm[3]; + + if ($pginsert > -1) + { + if (!defined($want) or $want eq '') + { + # no before/after + $want=$ba; + $ba='before'; + } + + if (!defined($ba) or $ba eq '' or $want eq 'bottom') + { + $pginsert=$#{$pages->{Kids}}; + } + elsif ($want eq 'top') + { + $pginsert=-1; + } + else + { + if (exists($pgnames{$want})) + { + my $ref=$pgnames{$want}; + + if ($ref eq 'top') + { + $pginsert=-1; + } + else + { + FIND: while (1) + { + foreach my $j (0..$#{$pages->{Kids}}) + { + if ($ref eq $pages->{Kids}->[$j]) + { + if ($ba eq 'before') + { + $pginsert=$j-1; + last FIND; + } + elsif ($ba eq 'after') + { + $pginsert=$j; + last FIND; + } + else + { + Msg(0,"Parameter must be top|bottom|before|after not '$ba'"); + last FIND; + } + } + + } + + Msg(0,"Can't find page ref '$ref'"); + last FIND + + } + } + } + else + { + Msg(0,"Can't find page named '$want'"); + } + } + + if ($pginsert < 0) + { + ($curoutlev,$curoutlevno,$thislev)=(\@outlev,0,1); + } + else + { + ($curoutlev,$curoutlevno,$thislev)=(@{$outlines[$pginsert]}); + } + } + } + elsif (lc($xprm[1]) eq 'transition' and !$noslide) + { + if (uc($xprm[2]) eq 'PAGE' or uc($xprm[2] eq 'SLIDE')) + { + $transition->{PAGE}->{S}='/'.ucfirst($xprm[3]) if $xprm[3] and $xprm[3] ne '.'; + $transition->{PAGE}->{D}=$xprm[4] if $xprm[4] and $xprm[4] ne '.'; + $transition->{PAGE}->{Dm}='/'.$xprm[5] if $xprm[5] and $xprm[5] ne '.'; + $transition->{PAGE}->{M}='/'.$xprm[6] if $xprm[6] and $xprm[6] ne '.'; + $xprm[7]='/None' if $xprm[7] and uc($xprm[7]) eq 'NONE'; + $transition->{PAGE}->{Di}=$xprm[7] if $xprm[7] and $xprm[7] ne '.'; + $transition->{PAGE}->{SS}=$xprm[8] if $xprm[8] and $xprm[8] ne '.'; + $transition->{PAGE}->{B}=$xprm[9] if $xprm[9] and $xprm[9] ne '.'; + } + elsif (uc($xprm[2]) eq 'BLOCK') + { + $transition->{BLOCK}->{S}='/'.ucfirst($xprm[3]) if $xprm[3] and $xprm[3] ne '.'; + $transition->{BLOCK}->{D}=$xprm[4] if $xprm[4] and $xprm[4] ne '.'; + $transition->{BLOCK}->{Dm}='/'.$xprm[5] if $xprm[5] and $xprm[5] ne '.'; + $transition->{BLOCK}->{M}='/'.$xprm[6] if $xprm[6] and $xprm[6] ne '.'; + $xprm[7]='/None' if $xprm[7] and uc($xprm[7]) eq 'NONE'; + $transition->{BLOCK}->{Di}=$xprm[7] if $xprm[7] and $xprm[7] ne '.'; + $transition->{BLOCK}->{SS}=$xprm[8] if $xprm[8] and $xprm[8] ne '.'; + $transition->{BLOCK}->{B}=$xprm[9] if $xprm[9] and $xprm[9] ne '.'; + } + + $present=1; + } + } + elsif (lc(substr($xprm[0],0,9)) eq 'papersize') + { + my ($px,$py)=split(',',substr($xprm[0],10)); + $px=GetPoints($px); + $py=GetPoints($py); + @mediabox=(0,0,$px,$py); + my @mb=@mediabox; + $matrixchg=1; + $custompaper=1; + $cpage->{MediaBox}=\@mb; + } + } +} + +sub FixPDFColour +{ + my $o=shift; + my $a=$o->{C}; + my @r=(); + my $c=$a->[0]; + + if ($#{$a}==3) + { + if ($c > 1) + { + foreach my $j (0..2) + { + push(@r,sprintf("%1.3f",$a->[$j]/0xffff)); + } + + $o->{C}=\@r; + } + } + elsif (substr($c,0,1) eq '#') + { + if (length($c) == 7) + { + foreach my $j (0..2) + { + push(@r,sprintf("%1.3f",hex(substr($c,$j*2+1,2))/0xff)); + } + + $o->{C}=\@r; + } + elsif (length($c) == 14) + { + foreach my $j (0..2) + { + push(@r,sprintf("%1.3f",hex(substr($c,$j*4+2,4))/0xffff)); + } + + $o->{C}=\@r; + } + } +} + +sub PutHotSpot +{ + my $endx=shift; + my $l=$mark->{pdfmark}; + $l=~s/Color/C/; + $l=~s/Action/A/; + $l=~s'/Subtype /URI'/S /URI'; + $l=~s(\\\[u00(..)\])(chr(hex($1)))eg; + my @xwds=split(' ',"<< $l >>"); + my $annotno=BuildObj(++$objct,ParsePDFValue(\@xwds)); + my $annot=$obj[$objct]; + $annot->{DATA}->{Type}='/Annot'; + $annot->{DATA}->{Rect}=[$mark->{xpos},$mark->{ypos}-$mark->{rsb},$endx+$mark->{lead},$mark->{ypos}-$mark->{rst}]; + FixPDFColour($annot->{DATA}); + FixRect($annot->{DATA}->{Rect}); # Y origin to ll + push(@PageAnnots,$annotno); +} + +sub sgn +{ + return(1) if $_[0] > 0; + return(-1) if $_[0] < 0; + return(0); +} + +sub FixRect +{ + my $rect=shift; + + return if !defined($rect); + $rect->[1]=GraphY($rect->[1]); + $rect->[3]=GraphY($rect->[3]); +} + +sub GetPoints +{ + my $val=shift; + + $val=ToPoints($1,$2) if ($val and $val=~m/(-?[\d.]+)([cipnz])/); + + return $val; +} + +# Although the PDF reference mentions XObject/Form as a way of incorporating an external PDF page into +# the current PDF, it seems not to work with any current PDF reader (although I am told (by Leonard Rosenthol, +# who helped author the PDF ISO standard) that Acroread 9 does support it, empiorical observation shows otherwise!!). +# So... do it the hard way - full PDF parser and merge required objects!!! + +# sub BuildRef +# { +# my $fil=shift; +# my $bbox=shift; +# my $mat=shift; +# my $wid=($bbox->[2]-$bbox->[0])*$mat->[0]; +# my $hgt=($bbox->[3]-$bbox->[1])*$mat->[3]; +# +# if (!open(PDF,"<$fil")) +# { +# Msg(0,"Failed to open '$fil'"); +# return(undef); +# } +# +# my (@f)=(<PDF>); +# +# close(PDF); +# +# $objct++; +# my $xonm="XO$objct"; +# +# $pages->{'Resources'}->{'XObject'}->{$xonm}=BuildObj($objct,{'Type' => '/XObject', +# 'Subtype' => '/Form', +# 'BBox' => $bbox, +# 'Matrix' => $mat, +# 'Resources' => $pages->{'Resources'}, +# 'Ref' => {'Page' => '1', +# 'F' => BuildObj($objct+1,{'Type' => '/Filespec', +# 'F' => "($fil)", +# 'EF' => {'F' => BuildObj($objct+2,{'Type' => '/EmbeddedFile'})} +# }) +# } +# }); +# +# $obj[$objct]->{STREAM}="q 1 0 0 1 0 0 cm +# q BT +# 1 0 0 1 0 0 Tm +# .5 g .5 G +# /F5 20 Tf +# (Proxy) Tj +# ET Q +# 0 0 m 72 0 l s +# Q\n"; +# +# # $obj[$objct]->{STREAM}=PutXY($xpos,$ypos)." m ".PutXY($xpos+$wid,$ypos)." l ".PutXY($xpos+$wid,$ypos+$hgt)." l ".PutXY($xpos,$ypos+$hgt)." l f\n"; +# $obj[$objct+2]->{STREAM}=join('',@f); +# PutObj($objct); +# PutObj($objct+1); +# PutObj($objct+2); +# $objct+=2; +# return($xonm); +# } + +sub LoadSWF +{ + my $fil=shift; + my $bbox=shift; + my $mat=shift; + my $wid=($bbox->[2]-$bbox->[0])*$mat->[0]; + my $hgt=($bbox->[3]-$bbox->[1])*$mat->[3]; + my (@path)=split('/',$fil); + my $node=pop(@path); + + if (!open(PDF,"<$fil")) + { + Msg(0,"Failed to open '$fil'"); + return(undef); + } + + my (@f)=(<PDF>); + + close(PDF); + + $objct++; + my $xonm="XO$objct"; + + $pages->{'Resources'}->{'XObject'}->{$xonm}=BuildObj($objct,{'Type' => '/XObject', 'BBox' => $bbox, 'Matrix' => $mat, 'FormType' => 1, 'Subtype' => '/Form', 'Length' => 0, 'Type' => "/XObject"}); + $obj[$objct]->{STREAM}=''; + PutObj($objct); + $objct++; + my $asset=BuildObj($objct,{'EF' => {'F' => BuildObj($objct+1,{})}, + 'F' => "($node)", + 'Type' => '/Filespec', + 'UF' => "($node)"}); + + PutObj($objct); + $objct++; + $obj[$objct]->{STREAM}=join('',@f); + PutObj($objct); + $objct++; + my $config=BuildObj($objct,{'Instances' => [BuildObj($objct+1,{'Params' => { 'Binding' => '/Background'}, 'Asset' => $asset})], + 'Subtype' => '/Flash'}); + + PutObj($objct); + $objct++; + PutObj($objct); + $objct++; + + my ($x,$y)=split(' ',PutXY($xpos,$ypos)); + + push(@{$cpage->{Annots}},BuildObj($objct,{'RichMediaContent' => {'Subtype' => '/Flash', 'Configurations' => [$config], 'Assets' => {'Names' => [ "($node)", $asset ] }}, + 'P' => "$cpageno 0 R", + 'RichMediaSettings' => { 'Deactivation' => { 'Condition' => '/PI', + 'Type' => '/RichMediaDeactivation'}, + 'Activation' => { 'Condition' => '/PV', + 'Type' => '/RichMediaActivation'}}, + 'F' => 68, + 'Subtype' => '/RichMedia', + 'Type' => '/Annot', + 'Rect' => "[ $x $y ".($x+$wid)." ".($y+$hgt)." ]", + 'Border' => [0,0,0]})); + + PutObj($objct); + + return $xonm; +} + +sub OpenInc +{ + my $fn=shift; + my $fnm=$fn; + my $F; + + if (substr($fnm,0,1) eq '/' or substr($fnm,1,1) eq ':') # dos + { + if (-r $fnm and open($F,"<$fnm")) + { + return($F,$fnm); + } + } + else + { + foreach my $dir (@idirs) + { + $fnm="$dir/$fn"; + + if (-r "$fnm" and open($F,"<$fnm")) + { + return($F,$fnm); + } + } + } + + return(undef,$fn); +} + +sub LoadPDF +{ + my $pdfnm=shift; + my $mat=shift; + my $wid=shift; + my $hgt=shift; + my $type=shift; + my $pdf; + my $pdftxt=''; + my $strmlen=0; + my $curobj=-1; + my $instream=0; + my $cont; + my $adj=0; + my $keepsep=$/; + + my ($PD,$PDnm)=OpenInc($pdfnm); + + if (!defined($PD)) + { + Msg(0,"Failed to open PDF '$pdfnm'"); + return undef; + } + + my $hdr=<$PD>; + + $/="\r",$adj=1 if (length($hdr) > 10); + + while (<$PD>) + { + chomp; + + s/\n//; + + if (m/endstream(\s+.*)?$/) + { + $instream=0; + $_="endstream"; + $_.=$1 if defined($1) + } + + next if $instream; + + if (m'/Length\s+(\d+)(\s+\d+\s+R)?') + { + if (!defined($2)) + { + $strmlen=$1; + } + else + { + $strmlen=0; + } + } + + if (m'^(\d+) \d+ obj') + { + $curobj=$1; + $pdf->[$curobj]->{OBJ}=undef; + } + + if (m'stream\s*$' and ! m/^endstream/) + { + if ($curobj > -1) + { + $pdf->[$curobj]->{STREAMPOS}=[tell($PD)+$adj,$strmlen]; + seek($PD,$strmlen,1); + $instream=1; + } + else + { + Msg(0,"Parsing PDF '$pdfnm' failed"); + return undef; + } + } + + $pdftxt.=$_.' '; + } + + close($PD); + + open(PD,"<$PDnm"); +# $pdftxt=~s/\]/ \]/g; + my (@pdfwds)=split(' ',$pdftxt); + my $wd; + + while ($wd=nextwd(\@pdfwds),length($wd)) + { + if ($wd=~m/\d+/ and defined($pdfwds[1]) and $pdfwds[1]=~m/^obj(.*)/) + { + $curobj=$wd; + shift(@pdfwds); shift(@pdfwds); + unshift(@pdfwds,$1) if defined($1) and length($1); + $pdf->[$curobj]->{OBJ}=ParsePDFObj(\@pdfwds); + } + elsif ($wd eq 'trailer' and !exists($pdf->[0]->{OBJ})) + { + $pdf->[0]->{OBJ}=ParsePDFObj(\@pdfwds); + } + else + { +# print "Skip '$wd'\n"; + } + } + + my $catalog=${$pdf->[0]->{OBJ}->{Root}}; + my $page=FindPage(1,$pdf); + my $xobj=++$objct; + + # Load the streamas + + foreach my $o (@{$pdf}) + { + if (exists($o->{STREAMPOS})) + { + my $l; + + $l=$o->{OBJ}->{Length} if exists($o->{OBJ}->{Length}); + + $l=$pdf->[$$l]->{OBJ} if (defined($l) && ref($l) eq 'OBJREF'); + + Msg(1,"Unable to determine length of stream \@$o->{STREAMPOS}->[0]") if !defined($l); + + sysseek(PD,$o->{STREAMPOS}->[0],0); + Msg(0,'Failed to read all the stream') if $l != sysread(PD,$o->{STREAM},$l); + + if ($gotzlib and exists($o->{OBJ}->{'Filter'}) and $o->{OBJ}->{'Filter'} eq '/FlateDecode') + { + $o->{STREAM}=Compress::Zlib::uncompress($o->{STREAM}); + delete($o->{OBJ }->{'Filter'}); + } + } + } + + close(PD); + + # Find BBox + my $BBox; + my $insmap={}; + + foreach my $k (qw( MediaBox ArtBox TrimBox BleedBox CropBox )) + { + $BBox=FindKey($pdf,$page,$k); + last if $BBox; + } + + $BBox=[0,0,595,842] if !defined($BBox); + + $wid=($BBox->[2]-$BBox->[0]+1) if $wid==0; + my $xscale=d3(abs($wid)/($BBox->[2]-$BBox->[0]+1)); + my $yscale=d3(($hgt<=0)?$xscale:(abs($hgt)/($BBox->[3]-$BBox->[1]+1))); + $hgt=($BBox->[3]-$BBox->[1]+1)*$yscale; + + if ($type eq "import") + { + $mat->[0]=$xscale; + $mat->[3]=$yscale; + } + + # Find Resource + + my $res=FindKey($pdf,$page,'Resources'); + my $xonm="XO$xobj"; + + # Map inserted objects to current PDF + + MapInsValue($pdf,$page,'',$insmap,$xobj,$pdf->[$page]->{OBJ}); +# +# Many PDFs include 'Resources' at the 'Page' level but if 'Resources' is held at a higher level (i.e 'Pages') +# then we need to include its objects as well. +# + MapInsValue($pdf,$page,'',$insmap,$xobj,$res) if !exists($pdf->[$page]->{OBJ}->{Resources}); + + # Copy Resources + + my %incres=%{$res}; + + $incres{ProcSet}=['/PDF', '/Text', '/ImageB', '/ImageC', '/ImageI']; + + ($mat->[4],$mat->[5])=split(' ',PutXY($xpos,$ypos)); + $pages->{'Resources'}->{'XObject'}->{$xonm}=BuildObj($xobj,{'Type' => '/XObject', 'BBox' => $BBox, 'Name' => "/$xonm", 'FormType' => 1, 'Subtype' => '/Form', 'Length' => 0, 'Type' => "/XObject", 'Resources' => \%incres}); + + BuildStream($xobj,$pdf,$pdf->[$page]->{OBJ}->{Contents}); + + $/=$keepsep; + return([$xonm,$BBox] ); +} + +sub BuildStream +{ + my $xobj=shift; + my $pdf=shift; + my $val=shift; + my $strm=''; + my $objs; + my $refval=ref($val); + + if ($refval eq 'OBJREF') + { + push(@{$objs}, $val); + } + elsif ($refval eq 'ARRAY') + { + $objs=$val; + } + else + { + Msg(0,"unexpected 'Contents'"); + } + + foreach my $o (@{$objs}) + { + $strm.="\n" if $strm; + $strm.=$pdf->[$$o]->{STREAM} if exists($pdf->[$$o]->{STREAM}); + } + + $obj[$xobj]->{STREAM}=$strm; +} + + +sub MapInsHash +{ + my $pdf=shift; + my $o=shift; + my $insmap=shift; + my $parent=shift; + my $val=shift; + + + foreach my $k (keys(%{$val})) + { + MapInsValue($pdf,$o,$k,$insmap,$parent,$val->{$k}) if $k ne 'Contents'; + } +} + +sub MapInsValue +{ + my $pdf=shift; + my $o=shift; + my $k=shift; + my $insmap=shift; + my $parent=shift; + my $val=shift; + my $refval=ref($val); + + if ($refval eq 'OBJREF') + { + if ($k ne 'Parent') + { + if (!exists($insmap->{IMP}->{$$val})) + { + $objct++; + $insmap->{CUR}->{$objct}=$$val; + $insmap->{IMP}->{$$val}=$objct; + $obj[$objct]->{DATA}=$pdf->[$$val]->{OBJ}; + $obj[$objct]->{STREAM}=$pdf->[$$val]->{STREAM} if exists($pdf->[$$val]->{STREAM}); + MapInsValue($pdf,$$val,'',$insmap,$o,$pdf->[$$val]->{OBJ}); + } + + $$val=$insmap->{IMP}->{$$val}; + } + else + { + $$val=$parent; + } + } + elsif ($refval eq 'ARRAY') + { + foreach my $v (@{$val}) + { + MapInsValue($pdf,$o,'',$insmap,$parent,$v) + } + } + elsif ($refval eq 'HASH') + { + MapInsHash($pdf,$o,$insmap,$parent,$val); + } + +} + +sub FindKey +{ + my $pdf=shift; + my $page=shift; + my $k=shift; + + if (exists($pdf->[$page]->{OBJ}->{$k})) + { + my $val=$pdf->[$page]->{OBJ}->{$k}; + $val=$pdf->[$$val]->{OBJ} if ref($val) eq 'OBJREF'; + return($val); + } + else + { + if (exists($pdf->[$page]->{OBJ}->{Parent})) + { + return(FindKey($pdf,${$pdf->[$page]->{OBJ}->{Parent}},$k)); + } + } + + return(undef); +} + +sub FindPage +{ + my $wantpg=shift; + my $pdf=shift; + my $catalog=${$pdf->[0]->{OBJ}->{Root}}; + my $pages=${$pdf->[$catalog]->{OBJ}->{Pages}}; + + return(NextPage($pdf,$pages,\$wantpg)); +} + +sub NextPage +{ + my $pdf=shift; + my $pages=shift; + my $wantpg=shift; + my $ret; + + if ($pdf->[$pages]->{OBJ}->{Type} eq '/Pages') + { + foreach my $kid (@{$pdf->[$pages]->{OBJ}->{Kids}}) + { + $ret=NextPage($pdf,$$kid,$wantpg); + last if $$wantpg<=0; + } + } + elsif ($pdf->[$pages]->{OBJ}->{Type} eq '/Page') + { + $$wantpg--; + $ret=$pages; + } + + return($ret); +} + +sub nextwd +{ + my $pdfwds=shift; + + my $wd=shift(@{$pdfwds}); + + return('') if !defined($wd); + + if ($wd=~m/^(.*?)(<<|>>|(?:(?<!\\)\[|\]))(.*)/) + { + if (defined($1) and length($1)) + { + unshift(@{$pdfwds},$3) if defined($3) and length($3); + unshift(@{$pdfwds},$2); + $wd=$1; + } + else + { + unshift(@{$pdfwds},$3) if defined($3) and length($3); + $wd=$2; + } + } + + return($wd); +} + +sub ParsePDFObj +{ + + my $pdfwds=shift; + my $rtn; + my $wd; + + while ($wd=nextwd($pdfwds),length($wd)) + { + if ($wd eq 'stream' or $wd eq 'endstream') + { + next; + } + elsif ($wd eq 'endobj' or $wd eq 'startxref') + { + last; + } + else + { + unshift(@{$pdfwds},$wd); + $rtn=ParsePDFValue($pdfwds); + } + } + + return($rtn); +} + +sub ParsePDFHash +{ + my $pdfwds=shift; + my $rtn={}; + my $wd; + + while ($wd=nextwd($pdfwds),length($wd)) + { + if ($wd eq '>>') + { + last; + } + + my (@w)=split('/',$wd,3); + + if ($w[0]) + { + Msg(0,"PDF Dict Key '$wd' does not start with '/'"); + exit 1; + } + else + { + unshift(@{$pdfwds},"/$w[2]") if $w[2]; + $wd=$w[1]; + (@w)=split('\(',$wd,2); + $wd=$w[0]; + unshift(@{$pdfwds},"($w[1]") if defined($w[1]); + (@w)=split('\<',$wd,2); + $wd=$w[0]; + unshift(@{$pdfwds},"<$w[1]") if defined($w[1]); + + $rtn->{$wd}=ParsePDFValue($pdfwds); + } + } + + return($rtn); +} + +sub ParsePDFValue +{ + my $pdfwds=shift; + my $rtn; + my $wd=nextwd($pdfwds); + + if ($wd=~m/^\d+$/ and $pdfwds->[0]=~m/^\d+$/ and $pdfwds->[1]=~m/^R(\]|\>|\/)?/) + { + shift(@{$pdfwds}); + if (defined($1) and length($1)) + { + $pdfwds->[0]=substr($pdfwds->[0],1); + } + else + { + shift(@{$pdfwds}); + } + return(bless(\$wd,'OBJREF')); + } + + if ($wd eq '<<') + { + return(ParsePDFHash($pdfwds)); + } + + if ($wd eq '[') + { + return(ParsePDFArray($pdfwds)); + } + + if ($wd=~m/(.*?)(\(.*)$/) + { + if (defined($1) and length($1)) + { + unshift(@{$pdfwds},$2); + $wd=$1; + } + else + { + return(ParsePDFString($wd,$pdfwds)); + } + } + + if ($wd=~m/(.*?)(\<.*)$/) + { + if (defined($1) and length($1)) + { + unshift(@{$pdfwds},$2); + $wd=$1; + } + else + { + return(ParsePDFHexString($wd,$pdfwds)); + } + } + + if ($wd=~m/(.+?)(\/.*)$/) + { + if (defined($2) and length($2)) + { + unshift(@{$pdfwds},$2); + $wd=$1; + } + } + + return($wd); +} + +sub ParsePDFString +{ + my $wd=shift; + my $rtn=''; + my $pdfwds=shift; + my $lev=0; + + while (length($wd)) + { + $rtn.=' ' if length($rtn); + + while ($wd=~m/(?<!\\)\(/g) {$lev++;} + while ($wd=~m/(?<!\\)\)/g) {$lev--;} + + + if ($lev<=0 and $wd=~m/^(.*?\))([^)]+)$/) + { + unshift(@{$pdfwds},$2) if defined($2) and length($2); + $wd=$1; + } + + $rtn.=$wd; + + last if $lev <= 0; + + $wd=nextwd($pdfwds); + } + + return($rtn); +} + +sub ParsePDFHexString +{ + my $wd=shift; + my $rtn=''; + my $pdfwds=shift; + my $lev=0; + + if ($wd=~m/^(<.+?>)(.*)/) + { + unshift(@{$pdfwds},$2) if defined($2) and length($2); + $rtn=$1; + } + + return($rtn); +} + +sub ParsePDFArray +{ + my $pdfwds=shift; + my $rtn=[]; + my $wd; + + while (1) + { + $wd=ParsePDFValue($pdfwds); + last if $wd eq ']' or length($wd)==0; + push(@{$rtn},$wd); + } + + return($rtn); +} + +sub Msg +{ + my ($lev,$msg)=@_; + + print STDERR "$env{SourceFile}: " if exists($env{SourceFile}); + print STDERR "$msg\n"; + exit 1 if $lev; +} + +sub PutXY +{ + my ($x,$y)=(@_); + + if ($frot) + { + return(d3($y)." ".d3($x)); + } + else + { + $y=$mediabox[3]-$y; + return(d3($x)." ".d3($y)); + } +} + +sub GraphY +{ + my $y=shift; + + if ($frot) + { + return($y); + } + else + { + return($mediabox[3]-$y); + } +} + +sub Put +{ + my $msg=shift; + + print $msg; + $fct+=length($msg); +} + +sub PutObj +{ + my $ono=shift; + my $msg="$ono 0 obj "; + $obj[$ono]->{XREF}=$fct; + if (exists($obj[$ono]->{STREAM})) + { + if ($gotzlib && !$debug && !exists($obj[$ono]->{DATA}->{'Filter'})) + { + $obj[$ono]->{STREAM}=Compress::Zlib::compress($obj[$ono]->{STREAM}); + $obj[$ono]->{DATA}->{'Filter'}='/FlateDecode'; + } + + $obj[$ono]->{DATA}->{'Length'}=length($obj[$ono]->{STREAM}); + } + PutField(\$msg,$obj[$ono]->{DATA}); + PutStream(\$msg,$ono) if exists($obj[$ono]->{STREAM}); + Put($msg."endobj\n"); +} + +sub PutStream +{ + my $msg=shift; + my $ono=shift; + + # We could 'flate' here + $$msg.="stream\n$obj[$ono]->{STREAM}endstream\n"; +} + +sub PutField +{ + my $pmsg=shift; + my $fld=shift; + my $term=shift||"\n"; + my $typ=ref($fld); + + if ($typ eq '') + { + $$pmsg.="$fld$term"; + } + elsif ($typ eq 'ARRAY') + { + $$pmsg.='['; + foreach my $cell (@{$fld}) + { + PutField($pmsg,$cell,' '); + } + $$pmsg.="]$term"; + } + elsif ($typ eq 'HASH') + { + $$pmsg.='<< '; + foreach my $key (sort keys %{$fld}) + { + $$pmsg.="/$key "; + PutField($pmsg,$fld->{$key}); + } + $$pmsg.=">>$term"; + } + elsif ($typ eq 'OBJREF') + { + $$pmsg.="$$fld 0 R$term"; + } +} + +sub BuildObj +{ + my $ono=shift; + my $val=shift; + + $obj[$ono]->{DATA}=$val; + + return("$ono 0 R "); +} + +sub LoadFont +{ + my $fontno=shift; + my $fontnm=shift; + my $ofontnm=$fontnm; + + return $fontlst{$fontno}->{OBJ} if (exists($fontlst{$fontno})); + + my $f; + OpenFile(\$f,$fontdir,"$fontnm"); + + if (!defined($f) and $Foundry) + { + # Try with no foundry + $fontnm=~s/.*?-//; + OpenFile(\$f,$fontdir,$fontnm); + } + + Msg(1,"Failed to open font '$ofontnm'") if !defined($f); + + my $foundry=''; + $foundry=$1 if $fontnm=~m/^(.*?)-/; + my $stg=1; + my %fnt; + my @fntbbox=(0,0,0,0); + my $capheight=0; + my $lastchr=0; + my $lastnm; + my $t1flags=0; + my $fixwid=-1; + my $ascent=0; + my $charset=''; + + $fnt{NM} = 'F'.$fontno; + $fnt{SUPPL} = 0; + my @remap = (128..138, 145..255); # ignore ligatures. see text.enc. + $fnt{REMAP} = \@remap; + my @used; + $used[$_] = 1 for 0..255; + $used[$_] = 0 for @remap; + + while (<$f>) + { + chomp; + + s/^ +//; + s/^#.*// if $stg == 1; + next if $_ eq ''; + + if ($stg == 1) + { + my ($key,$val)=split(' ',$_,2); + + $key=lc($key); + $stg=2,next if $key eq 'kernpairs'; + $stg=3,next if lc($_) eq 'charset'; + + $fnt{$key}=$val + } + elsif ($stg == 2) + { + $stg=3,next if lc($_) eq 'charset'; + + my ($ch1,$ch2,$k)=split; +# $fnt{KERN}->{$ch1}->{$ch2}=$k; + } + else + { + my (@r)=split; + my (@p)=split(',',$r[1]); + + if ($r[1] eq '"') + { + $fnt{NAM}->{$r[0]}=$fnt{NAM}->{$lastnm}; + next; + } + + $r[0]='u0020' if $r[3] == 32; + $r[0]="u00".hex($r[3]) if $r[0] eq '---'; +# next if $r[3] >255; + if ($fnt{NAM}->{$r[0]}) { + #Msg(0, "$r[0], $r[3], /$r[4] - dup in $ofontnm") if $debug; + next; + } + $fnt{NAM}->{$r[0]}=[$p[0],$r[3],'/'.$r[4],$r[3],0]; + $fnt{NAM}->{$r[0]}->[SUPPL] = 0; + $fnt{NAM}->{$r[0]}->[USED] = $used[$r[3]]; + $fnt{NO}->[$r[3]]=[$r[0],$r[0]]; + $lastnm=$r[0]; + $lastchr=$r[3] if $r[3] > $lastchr; + $fixwid=$p[0] if $fixwid == -1; + $fixwid=-2 if $fixwid > 0 and $p[0] != $fixwid; + + $fntbbox[1]=-$p[2] if defined($p[2]) and -$p[2] < $fntbbox[1]; + $fntbbox[2]=$p[0] if $p[0] > $fntbbox[2]; + $fntbbox[3]=$p[1] if defined($p[1]) and $p[1] > $fntbbox[3]; + $ascent=$p[1] if defined($p[1]) and $p[1] > $ascent and $r[3] >= 32 and $r[3] < 128; + $charset.='/'.$r[4] if defined($r[4]); + $capheight=$p[1] if length($r[4]) == 1 and $r[4] ge 'A' and $r[4] le 'Z' and $p[1] > $capheight; + } + } + + close($f); + + foreach my $j (0..$lastchr) + { + $fnt{NO}->[$j]=['',''] if !defined($fnt{NO}->[$j]); + } + + my $fno=0; + my $slant=0; + $fnt{DIFF}=[]; + $fnt{WIDTH}=[]; + $fnt{NAM}->{''}=[0,-1,'/.notdef',-1,0]; + $fnt{NAM}->{''}->[SUPPL] = 0; + $slant=-$fnt{'slant'} if exists($fnt{'slant'}); + $fnt{'spacewidth'}=700 if !exists($fnt{'spacewidth'}); + + $t1flags|=2**0 if $fixwid > -1; + $t1flags|=(exists($fnt{'special'}))?2**2:2**5; + $t1flags|=2**6 if $slant != 0; + my $fontkey="$foundry $fnt{internalname}"; + + if (exists($download{$fontkey})) + { + # Not a Base Font + my ($l1,$l2,$l3,$t1stream)=GetType1($download{$fontkey}); + Msg(0,"Incorrect font format for '$fontkey' ($l1)") if !defined($t1stream); + $fno=++$objct; + $fontlst{$fontno}->{OBJ}=BuildObj($objct, + {'Type' => '/Font', + 'Subtype' => '/Type1', + 'BaseFont' => '/'.$fnt{internalname}, + 'Widths' => $fnt{WIDTH}, + 'FirstChar' => 0, + 'LastChar' => $lastchr, + 'Encoding' => BuildObj($objct+1, + {'Type' => '/Encoding', + 'Differences' => $fnt{DIFF} + } + ), + 'FontDescriptor' => BuildObj($objct+2, + {'Type' => '/FontDescriptor', + 'FontName' => '/'.$fnt{internalname}, + 'Flags' => $t1flags, + 'FontBBox' => \@fntbbox, + 'ItalicAngle' => $slant, + 'Ascent' => $ascent, + 'Descent' => $fntbbox[1], + 'CapHeight' => $capheight, + 'StemV' => 0, +# 'CharSet' => "($charset)", + 'FontFile' => BuildObj($objct+3, + {'Length1' => $l1, + 'Length2' => $l2, + 'Length3' => $l3 + } + ) + } + ) + } + ); + + $objct+=3; + $fontlst{$fontno}->{NM}='/'.$fnt{NM}; + $pages->{'Resources'}->{'Font'}->{$fnt{NM}}=$fontlst{$fontno}->{OBJ}; + $fontlst{$fontno}->{FNT}=\%fnt; + $obj[$objct]->{STREAM}=$t1stream; + + } + else + { + $fno=++$objct; + $fontlst{$fontno}->{OBJ}=BuildObj($objct, + {'Type' => '/Font', + 'Subtype' => '/Type1', + 'BaseFont' => '/'.$fnt{internalname}, + 'Widths' => $fnt{WIDTH}, + 'FirstChar' => 0, + 'LastChar' => $lastchr, + 'Encoding' => BuildObj($objct+1, + {'Type' => '/Encoding', + 'Differences' => $fnt{DIFF} + } + ), + 'FontDescriptor' => BuildObj($objct+2, + {'Type' => '/FontDescriptor', + 'FontName' => '/'.$fnt{internalname}, + 'Flags' => $t1flags, + 'FontBBox' => \@fntbbox, + 'ItalicAngle' => $slant, + 'Ascent' => $ascent, + 'Descent' => $fntbbox[1], + 'CapHeight' => $capheight, + 'StemV' => 0, + 'CharSet' => "($charset)", + } + ) + } + ); + + $objct+=2; + $fontlst{$fontno}->{NM}='/'.$fnt{NM}; + $pages->{'Resources'}->{'Font'}->{$fnt{NM}}=$fontlst{$fontno}->{OBJ}; + $fontlst{$fontno}->{FNT}=\%fnt; + } + + if (defined($fnt{encoding}) and $fnt{encoding} eq 'text.enc' and $ucmap ne '') + { + if ($textenccmap eq '') + { + $textenccmap = BuildObj($objct+1,{}); + $objct++; + $obj[$objct]->{STREAM}=$ucmap; + } + $obj[$fno]->{DATA}->{'ToUnicode'}=$textenccmap; + } + +# PutObj($fno); +# PutObj($fno+1); +# PutObj($fno+2) if defined($obj[$fno+2]); +# PutObj($fno+3) if defined($obj[$fno+3]); +} + +sub GetType1 +{ + my $file=shift; + my ($l1,$l2,$l3); # Return lengths + my ($head,$body,$tail); # Font contents + my $f; + + OpenFile(\$f,$fontdir,"$file"); + Msg(1,"Failed to open '$file'") if !defined($f); + + $head=GetChunk($f,1,"currentfile eexec"); + $body=$tail=''; + $body=GetChunk($f,2,"00000000") if !eof($f); + $tail=GetChunk($f,3,"cleartomark") if !eof($f); + + $l1=length($head); + $l2=length($body); + $l3=length($tail); + + return($l1,$l2,$l3,"$head$body$tail"); +} + +sub GetChunk +{ + my $F=shift; + my $segno=shift; + my $ascterm=shift; + my ($type,$hdr,$chunk,@msg); + binmode($F); + my $enc="ascii"; + + while (1) + { + # There may be multiple chunks of the same type + + my $ct=read($F,$hdr,2); + + if ($ct==2) + { + if (substr($hdr,0,1) eq "\x80") + { + # binary chunk + + my $chunktype=ord(substr($hdr,1,1)); + $enc="binary"; + + if (defined($type) and $type != $chunktype) + { + seek($F,-2,1); + last; + } + + $type=$chunktype; + return if $chunktype == 3; + + $ct=read($F,$hdr,4); + + Msg(1,"Failed to read binary segment length"), return if $ct != 4; + + my $sl=unpack('V',$hdr); + my $data; + my $chk=read($F,$data,$sl); + + Msg(1 ,"Failed to read binary segment"), return if $chk != $sl; + + $chunk.=$data; + } + else + { + # ascii chunk + + my $hex=0; + seek($F,-2,1); + my $ct=0; + + while (1) + { + my $lin=<$F>; + + last if !$lin; + + $hex=1,$enc.=" hex" if $segno == 2 and !$ct and $lin=~m/^[A-F0-9a-f]{4,4}/; + + if ($segno !=2 and $lin=~m/^(.*$ascterm\n?)(.*)/) + { + $chunk.=$1; + seek($F,-length($2)-1,1) if $2; + last; + } + elsif ($segno == 2 and $lin=~m/^(.*?)($ascterm.*)/) + { + $chunk.=$1; + seek($F,-length($2)-1,1) if $2; + last; + } + + chomp($lin), $lin=pack('H*',$lin) if $hex; + $chunk.=$lin; $ct++; + } + + last; + } + } + else + { + push(@msg,"Failed to read 2 header bytes"); + } + } + + return $chunk; +} + +sub OutStream +{ + my $ono=shift; + + IsGraphic(); + $stream.="Q\n"; + $obj[$ono]->{STREAM}=$stream; + $obj[$ono]->{DATA}->{Length}=length($stream); + $stream=''; + PutObj($ono); +} + +sub do_p +{ + my $trans='BLOCK'; + + $trans='PAGE' if $firstpause; + NewPage($trans); + @XOstream=(); + @PageAnnots=(); + $firstpause=1; +} + +sub FixTrans +{ + my $t=shift; + my $style=$t->{S}; + + if ($style) + { + delete($t->{Dm}) if $style ne '/Split' and $style ne '/Blinds'; + delete($t->{M}) if !($style eq '/Split' or $style eq '/Box' or $style eq '/Fly'); + delete($t->{Di}) if !($style eq '/Wipe' or $style eq '/Glitter' or $style eq '/Fly' or $style eq '/Cover' or $style eq '/Uncover' or $style eq '/Push') or ($style eq '/Fly' and $t->{Di} eq '/None' and $t->{SS} != 1); + delete($t->{SS}) if !($style eq '/Fly'); + delete($t->{B}) if !($style eq '/Fly'); + } + + return($t); +} + +sub NewPage +{ + my $trans=shift; + # Start of pages + + if ($cpageno > 0) + { + if ($#XOstream>=0) + { + MakeXO() if $stream; + $stream=join("\n",@XOstream,''); + } + + my %t=%{$transition->{$trans}}; + $cpage->{MediaBox}=\@mediabox if $custompaper; + $cpage->{Trans}=FixTrans(\%t) if $t{S}; + + if ($#PageAnnots >= 0) + { + @{$cpage->{Annots}}=@PageAnnots; + } + + PutObj($cpageno); + OutStream($cpageno+1); + } + + $cpageno=++$objct; + + my $thispg=BuildObj($objct, + {'Type' => '/Page', + 'Group' => {'CS' => '/DeviceRGB', 'S' => '/Transparency'}, + 'Parent' => '2 0 R', + 'Contents' => [ BuildObj($objct+1, + {'Length' => 0} + ) ], + } + ); + + splice(@{$pages->{Kids}},++$pginsert,0,$thispg); + splice(@outlines,$pginsert,0,[$curoutlev,$#{$curoutlev}+1,$thislev]); + + $objct+=1; + $cpage=$obj[$cpageno]->{DATA}; + $pages->{'Count'}++; + $stream="q 1 0 0 1 0 0 cm\n$linejoin J\n$linecap j\n0.4 w\n"; + $stream.=$strkcol."\n", $curstrk=$strkcol if $strkcol ne ''; + $mode='g'; + $curfill=''; +# @mediabox=@defaultmb; +} + +sub MakeXO +{ + $stream.="%mode=$mode\n"; + IsGraphic(); + $stream.="Q\n"; + my $xobj=++$objct; + my $xonm="XO$xobj"; + $pages->{'Resources'}->{'XObject'}->{$xonm}=BuildObj($xobj,{'Type' => '/XObject', 'BBox' => \@mediabox, 'Name' => "/$xonm", 'FormType' => 1, 'Subtype' => '/Form', 'Length' => 0, 'Type' => "/XObject"}); + $obj[$xobj]->{STREAM}=$stream; + $stream=''; + push(@XOstream,"q") if $#XOstream==-1; + push(@XOstream,"/$xonm Do"); +} + +sub do_f +{ + my $par=shift; + my $fnt=$fontlst{$par}->{FNT}; + +# IsText(); + $cft="$par"; + $cftsup=0; + $fontchg=1; +# $stream.="/F$cft $cftsz Tf\n" if $cftsz; + $widtbl=CacheWid($par); + $origwidtbl=[]; + + foreach my $w (@{$fnt->{NO}}) + { + push(@{$origwidtbl},$fnt->{NAM}->{$w->[1]}->[WIDTH]); + } + +# $krntbl=$fnt->{KERN}; +} + +sub CacheWid +{ + my $par=shift; + + if (!defined($fontlst{$par}->{CACHE}->{$cftsz})) + { + $fontlst{$par}->{CACHE}->{$cftsz}=BuildCache($fontlst{$par}->{FNT}); + } + + return($fontlst{$par}->{CACHE}->{$cftsz}); +} + +sub BuildCache +{ + my $fnt=shift; + my @cwid; + $origwidtbl=[]; + + foreach my $w (@{$fnt->{NO}}) + { + my $wid=(defined($w) and defined($w->[1]))?$fnt->{NAM}->{$w->[1]}->[WIDTH]:0; + push(@cwid,$wid*$cftsz); + push(@{$origwidtbl},$wid); + } + + return(\@cwid); +} + +sub IsText +{ + if ($mode eq 'g') + { + $xpos+=$pendmv/$unitwidth; + $stream.="q BT\n$matrix ".PutXY($xpos,$ypos)." Tm\n"; + $poschg=0; + $fontchg=0; + $pendmv=0; + $matrixchg=0; + $tmxpos=$xpos; + $stream.=$textcol."\n", $curfill=$textcol if $textcol ne $curfill; + if (defined($cft)) + { + $whtsz=$fontlst{$cft}->{FNT}->{spacewidth}*$cftsz; + $stream.="/F$cft"; + $stream.=".$cftsup" if $cftsup; + $stream.=" $cftsz Tf\n"; + } + $stream.="$curkern Tc\n"; + } + + if ($poschg or $matrixchg) + { + PutLine(0) if $matrixchg; + $stream.="$matrix ".PutXY($xpos,$ypos)." Tm\n", $poschg=0; + $tmxpos=$xpos; + $matrixchg=0; + $stream.="$curkern Tc\n"; + } + + if ($fontchg) + { + PutLine(0); + if (defined($cft)) + { + $whtsz=$fontlst{$cft}->{FNT}->{spacewidth}*$cftsz; + $stream.="/F$cft"; + $stream.=".$cftsup" if $cftsup; + $stream.=" $cftsz Tf\n"; + $fontchg=0; + } + } + + $mode='t'; +} + +sub IsGraphic +{ + if ($mode eq 't') + { + PutLine(); + $stream.="ET Q\n"; + $xpos+=($pendmv-$nomove)/$unitwidth; + $pendmv=0; + $nomove=0; + $stream.=$strkcol."\n", $curstrk=$strkcol if $strkcol ne $curstrk; + $curfill=$fillcol; + } + $mode='g'; +} + +sub do_s +{ + my $par=shift; + $par/=$unitwidth; + + if ($par != $cftsz and defined($cft)) + { + PutLine(); + $cftsz=$par; + Set_LWidth() if $lwidth < 1; +# $stream.="/F$cft $cftsz Tf\n"; + $fontchg=1; + $widtbl=CacheWid($cft); + } + else + { + $cftsz=$par; + Set_LWidth() if $lwidth < 1; + } +} + +sub Set_LWidth +{ + IsGraphic(); + $stream.=((($desc{res}/(72*$desc{sizescale}))*$linewidth*$cftsz)/1000)." w\n"; + return; +} + +sub do_m +{ + # Groff uses /m[] for text & graphic stroke, and /M[] (DF?) for graphic fill. + # PDF uses G/RG/K for graphic stroke, and g/rg/k for text & graphic fill. + # + # This means that we must maintain g/rg/k state separately for text colour & graphic fill (this is + # probably why 'gs' maintains separate graphic states for text & graphics when distilling PS -> PDF). + # + # To facilitate this:- + # + # $textcol = current groff stroke colour + # $fillcol = current groff fill colour + # $curfill = current PDF fill colour + + my $par=shift; + my $mcmd=substr($par,0,1); + + $par=substr($par,1); + $par=~s/^ +//; + +# IsGraphic(); + + $textcol=set_col($mcmd,$par,0); + $strkcol=set_col($mcmd,$par,1); + + if ($mode eq 't') + { + PutLine(); + $stream.=$textcol."\n"; + $curfill=$textcol; + } + else + { + $stream.="$strkcol\n"; + $curstrk=$strkcol; + } +} + +sub set_col +{ + my $mcmd=shift; + my $par=shift; + my $upper=shift; + my @oper=('g','k','rg'); + + @oper=('G','K','RG') if $upper; + + if ($mcmd eq 'd') + { + # default colour + return("0 $oper[0]"); + } + + my (@c)=split(' ',$par); + + if ($mcmd eq 'c') + { + # Text CMY + return(d3($c[0]/65535).' '.d3($c[1]/65535).' '.d3($c[2]/65535)." 0 $oper[1]"); + } + elsif ($mcmd eq 'k') + { + # Text CMYK + return(d3($c[0]/65535).' '.d3($c[1]/65535).' '.d3($c[2]/65535).' '.d3($c[3]/65535)." $oper[1]"); + } + elsif ($mcmd eq 'g') + { + # Text Grey + return(d3($c[0]/65535)." $oper[0]"); + } + elsif ($mcmd eq 'r') + { + # Text RGB0 + return(d3($c[0]/65535).' '.d3($c[1]/65535).' '.d3($c[2]/65535)." $oper[2]"); + } +} + +sub do_D +{ + my $par=shift; + my $Dcmd=substr($par,0,1); + + $par=substr($par,1); + $xpos+=$pendmv/$unitwidth; + $pendmv=0; + + IsGraphic(); + + if ($Dcmd eq 'F') + { + my $mcmd=substr($par,0,1); + + $par=substr($par,1); + $par=~s/^ +//; + + $fillcol=set_col($mcmd,$par,0); + $stream.="$fillcol\n"; + $curfill=$fillcol; + } + elsif ($Dcmd eq 'f') + { + my $mcmd=substr($par,0,1); + + $par=substr($par,1); + $par=~s/^ +//; + ($par)=split(' ',$par); + + if ($par >= 0 and $par <= 1000) + { + $fillcol=set_col('g',int((1000-$par)*65535/1000),0); + } + else + { + $fillcol=lc($textcol); + } + + $stream.="$fillcol\n"; + $curfill=$fillcol; + } + elsif ($Dcmd eq '~') + { + # B-Spline + my (@p)=split(' ',$par); + my ($nxpos,$nypos); + + foreach my $p (@p) { $p/=$unitwidth; } + $stream.=PutXY($xpos,$ypos)." m\n"; + $xpos+=($p[0]/2); + $ypos+=($p[1]/2); + $stream.=PutXY($xpos,$ypos)." l\n"; + + for (my $i=0; $i < $#p-1; $i+=2) + { + $nxpos=(($p[$i]*$tnum)/(2*$tden)); + $nypos=(($p[$i+1]*$tnum)/(2*$tden)); + $stream.=PutXY(($xpos+$nxpos),($ypos+$nypos))." "; + $nxpos=($p[$i]/2 + ($p[$i+2]*($tden-$tnum))/(2*$tden)); + $nypos=($p[$i+1]/2 + ($p[$i+3]*($tden-$tnum))/(2*$tden)); + $stream.=PutXY(($xpos+$nxpos),($ypos+$nypos))." "; + $nxpos=(($p[$i]-$p[$i]/2) + $p[$i+2]/2); + $nypos=(($p[$i+1]-$p[$i+1]/2) + $p[$i+3]/2); + $stream.=PutXY(($xpos+$nxpos),($ypos+$nypos))." c\n"; + $xpos+=$nxpos; + $ypos+=$nypos; + } + + $xpos+=($p[$#p-1]-$p[$#p-1]/2); + $ypos+=($p[$#p]-$p[$#p]/2); + $stream.=PutXY($xpos,$ypos)." l\nS\n"; + $poschg=1; + } + elsif ($Dcmd eq 'p' or $Dcmd eq 'P') + { + # Polygon + my (@p)=split(' ',$par); + my ($nxpos,$nypos); + + foreach my $p (@p) { $p/=$unitwidth; } + $stream.=PutXY($xpos,$ypos)." m\n"; + + for (my $i=0; $i < $#p; $i+=2) + { + $xpos+=($p[$i]); + $ypos+=($p[$i+1]); + $stream.=PutXY($xpos,$ypos)." l\n"; + } + + if ($Dcmd eq 'p') + { + $stream.="s\n"; + } + else + { + $stream.="f\n"; + } + $poschg=1; + } + elsif ($Dcmd eq 'c') + { + # Stroke circle + $par=substr($par,1); + my (@p)=split(' ',$par); + + DrawCircle($p[0],$p[0]); + $stream.="s\n"; + $poschg=1; + } + elsif ($Dcmd eq 'C') + { + # Fill circle + $par=substr($par,1); + my (@p)=split(' ',$par); + + DrawCircle($p[0],$p[0]); + $stream.="f\n"; + $poschg=1; + } + elsif ($Dcmd eq 'e') + { + # Stroke ellipse + $par=substr($par,1); + my (@p)=split(' ',$par); + + DrawCircle($p[0],$p[1]); + $stream.="s\n"; + $poschg=1; + } + elsif ($Dcmd eq 'E') + { + # Fill ellipse + $par=substr($par,1); + my (@p)=split(' ',$par); + + DrawCircle($p[0],$p[1]); + $stream.="f\n"; + $poschg=1; + } + elsif ($Dcmd eq 'l') + { + # Line To + $par=substr($par,1); + my (@p)=split(' ',$par); + + foreach my $p (@p) { $p/=$unitwidth; } + $stream.=PutXY($xpos,$ypos)." m\n"; + $xpos+=$p[0]; + $ypos+=$p[1]; + $stream.=PutXY($xpos,$ypos)." l\n"; + + $stream.="S\n"; + $poschg=1; + } + elsif ($Dcmd eq 't') + { + # Line Thickness + $par=substr($par,1); + my (@p)=split(' ',$par); + + foreach my $p (@p) { $p/=$unitwidth; } + # $xpos+=$p[0]*100; # WTF!!! + #int lw = ((font::res/(72*font::sizescale))*linewidth*env->size)/1000; + $p[0]=(($desc{res}/(72*$desc{sizescale}))*$linewidth*$cftsz)/1000 if $p[0] < 0; + $lwidth=$p[0]; + $stream.="$p[0] w\n"; + $poschg=1; + $xpos+=$lwidth; + } + elsif ($Dcmd eq 'a') + { + # Arc + $par=substr($par,1); + my (@p)=split(' ',$par); + my $rad180=3.14159; + my $rad360=$rad180*2; + my $rad90=$rad180/2; + + foreach my $p (@p) { $p/=$unitwidth; } + + # Documentation is wrong. Groff does not use Dh1,Dv1 as centre of the circle! + + my $centre=adjust_arc_centre(\@p); + + # Using formula here : http://www.tinaja.com/glib/bezcirc2.pdf + # First calculate angle between start and end point + + my ($startang,$r)=RtoP(-$centre->[0],$centre->[1]); + my ($endang,$r2)=RtoP(($p[0]+$p[2])-$centre->[0],-($p[1]+$p[3]-$centre->[1])); + $endang+=$rad360 if $endang < $startang; + my $totang=($endang-$startang)/4; # do it in 4 pieces + + # Now 1 piece + + my $x0=cos($totang/2); + my $y0=sin($totang/2); + my $x3=$x0; + my $y3=-$y0; + my $x1=(4-$x0)/3; + my $y1=((1-$x0)*(3-$x0))/(3*$y0); + my $x2=$x1; + my $y2=-$y1; + + # Rotate to start position and draw 4 pieces + + foreach my $j (0..3) + { + PlotArcSegment($totang/2+$startang+$j*$totang,$r,$xpos+$centre->[0],GraphY($ypos+$centre->[1]),$x0,$y0,$x1,$y1,$x2,$y2,$x3,$y3); + } + + $xpos+=$p[0]+$p[2]; + $ypos+=$p[1]+$p[3]; + + $poschg=1; + } +} + +sub deg +{ + return int($_[0]*180/3.14159); +} + +sub adjust_arc_centre +{ + # Taken from geometry.cpp + + # We move the center along a line parallel to the line between + # the specified start point and end point so that the center + # is equidistant between the start and end point. + # It can be proved (using Lagrange multipliers) that this will + # give the point nearest to the specified center that is equidistant + # between the start and end point. + + my $p=shift; + my @c; + my $x = $p->[0] + $p->[2]; # (x, y) is the end point + my $y = $p->[1] + $p->[3]; + my $n = $x*$x + $y*$y; + if ($n != 0) + { + $c[0]= $p->[0]; + $c[1] = $p->[1]; + my $k = .5 - ($c[0]*$x + $c[1]*$y)/$n; + $c[0] += $k*$x; + $c[1] += $k*$y; + return(\@c); + } + else + { + return(undef); + } +} + + +sub PlotArcSegment +{ + my ($ang,$r,$transx,$transy,$x0,$y0,$x1,$y1,$x2,$y2,$x3,$y3)=@_; + my $cos=cos($ang); + my $sin=sin($ang); + my @mat=($cos,$sin,-$sin,$cos,0,0); + my $lw=$lwidth/$r; + + $stream.="q $r 0 0 $r $transx $transy cm ".join(' ',@mat)." cm $lw w $x0 $y0 m $x1 $y1 $x2 $y2 $x3 $y3 c S Q\n"; +} + +sub DrawCircle +{ + my $hd=shift; + my $vd=shift; + my $hr=$hd/2/$unitwidth; + my $vr=$vd/2/$unitwidth; + my $kappa=0.5522847498; + $hd/=$unitwidth; + $vd/=$unitwidth; + + + $stream.=PutXY(($xpos+$hd),$ypos)." m\n"; + $stream.=PutXY(($xpos+$hd),($ypos+$vr*$kappa))." ".PutXY(($xpos+$hr+$hr*$kappa),($ypos+$vr))." ".PutXY(($xpos+$hr),($ypos+$vr))." c\n"; + $stream.=PutXY(($xpos+$hr-$hr*$kappa),($ypos+$vr))." ".PutXY(($xpos),($ypos+$vr*$kappa))." ".PutXY(($xpos),($ypos))." c\n"; + $stream.=PutXY(($xpos),($ypos-$vr*$kappa))." ".PutXY(($xpos+$hr-$hr*$kappa),($ypos-$vr))." ".PutXY(($xpos+$hr),($ypos-$vr))." c\n"; + $stream.=PutXY(($xpos+$hr+$hr*$kappa),($ypos-$vr))." ".PutXY(($xpos+$hd),($ypos-$vr*$kappa))." ".PutXY(($xpos+$hd),($ypos))." c\n"; + $xpos+=$hd; + + $poschg=1; +} + +sub FindCircle +{ + my ($x1,$y1,$x2,$y2,$x3,$y3)=@_; + my ($Xo, $Yo); + + my $x=$x2+$x3; + my $y=$y2+$y3; + my $n=$x**2+$y**2; + + if ($n) + { + my $k=.5-($x2*$x + $y2*$y)/$n; + return(sqrt($n),$x2+$k*$x,$y2+$k*$y); + } + else + { + return(-1); + } + +} + +sub PtoR +{ + my ($theta,$r)=@_; + + return($r*cos($theta),$r*sin($theta)); +} + +sub RtoP +{ + my ($x,$y)=@_; + + return(atan2($y,$x),sqrt($x**2+$y**2)); +} + +sub PutLine +{ + + my $f=shift; + + IsText() if !defined($f); + + return if (scalar(@lin) == 0) or (!defined($lin[0]->[0]) and $#lin == 0); + +# $stream.="% --- wht=$whtsz, pend=$pendmv, nomv=$nomove\n" if $debug; + $pendmv-=$nomove; + $lin[$#lin]->[1]=-$pendmv/$cftsz if ($pendmv != 0); + + foreach my $wd (@lin) + { + next if !defined($wd->[0]); + $wd->[0]=~s/\\/\\\\/g; + $wd->[0]=~s/\(/\\(/g; + $wd->[0]=~s/\)/\\)/g; + $wd->[0]=~s/!\|!\|/\\/g; + $wd->[1]=d3($wd->[1]); + } + + if (0) + { + if (scalar(@lin) == 1 and (!defined($lin[0]->[1]) or $lin[0]->[1] == 0)) + { + $stream.="($lin[0]->[0]) Tj\n"; + } + else + { + $stream.="["; + + foreach my $wd (@lin) + { + $stream.="($wd->[0]) " if defined($wd->[0]); + $stream.="$wd->[1] " if defined($wd->[1]) and $wd->[1] != 0; + } + + $stream.="] TJ\n"; + } + } + else + { + if (scalar(@lin) == 1 and (!defined($lin[0]->[1]) or $lin[0]->[1] == 0)) + { + $stream.="0 Tw ($lin[0]->[0]) Tj\n"; + } + else + { + if ($wt>=-1 or $#lin == 0 or $lin[0]->[1]>=0) + { + $stream.="0 Tw ["; + + foreach my $wd (@lin) + { + $stream.="($wd->[0]) " if defined($wd->[0]); + $stream.="$wd->[1] " if defined($wd->[1]) and $wd->[1] != 0; + } + + $stream.="] TJ\n"; + } + else + { + # $stream.="\%dg 0 Tw ["; + # + # foreach my $wd (@lin) + # { + # $stream.="($wd->[0]) " if defined($wd->[0]); + # $stream.="$wd->[1] " if defined($wd->[1]) and $wd->[1] != 0; + # } + # + # $stream.="] TJ\n"; + # + # my $wt=$lin[0]->[1]||0; + + # while ($wt < -$whtsz/$cftsz) + # { + # $wt+=$whtsz/$cftsz; + # } + + $stream.=sprintf( "%.3f Tw ",-($whtsz+$wt*$cftsz)/$unitwidth-$curkern ); + if (!defined($lin[0]->[0]) and defined($lin[0]->[1])) + { + $stream.="[ $lin[0]->[1] ("; + shift @lin; + } + else + { + $stream.="[("; + } + + foreach my $wd (@lin) + { + my $wwt=$wd->[1]||0; + + while ($wwt <= $wt+.1) + { + $wwt-=$wt; + $wd->[0].=' '; + } + + if (abs($wwt) < .1 or $wwt == 0) + { + $stream.="$wd->[0]" if defined($wd->[0]); + } + else + { + $wwt=sprintf("%.3f",$wwt); + $stream.="$wd->[0]) $wwt (" if defined($wd->[0]); + } + } + $stream.=")] TJ\n"; + } + } + } + + @lin=(); + $xpos+=$pendmv/$unitwidth; + $pendmv=0; + $nomove=0; + $wt=-1; +} + +sub d3 +{ + return(sprintf("%.3f",shift || 0)); +} + +sub LoadAhead +{ + my $no=shift; + + foreach my $j (1..$no) + { + my $lin=<>; + chomp($lin); + $lin=~s/\r$//; + $lct++; + + push(@ahead,$lin); + $stream.="%% $lin\n" if $debug; + } +} + +sub do_V +{ + my $par=shift; + + if ($mode eq 't') + { + PutLine(); + } + else + { + $xpos+=$pendmv/$unitwidth; + $pendmv=0; + } + + $ypos=$par/$unitwidth; + + LoadAhead(1); + + if (substr($ahead[0],0,1) eq 'H') + { + $xpos=substr($ahead[0],1)/$unitwidth; + + $nomove=$pendmv=0; + @ahead=(); + + } + + $poschg=1; +} + +sub do_v +{ + my $par=shift; + + PutLine() if $mode eq 't'; + + $ypos+=$par/$unitwidth; + + $poschg=1; +} + +sub TextWid +{ + my $txt=shift; + my $sup=shift; + my $fnt=shift; + my $w=0; + my $ck=0; + + foreach my $c (split('',$txt)) + { + my $cn=ord($c); + $cn+=$sup*256; + $widtbl->[$cn]=$origwidtbl->[$cn]*$cftsz if !defined($widtbl->[$cn]); + $w+=$widtbl->[$cn]; + } + + $ck=length($txt)*$curkern; + + return(($w/$unitwidth)+$ck); +} + +sub do_t +{ + my $par=shift; + my $fnt=$fontlst{$cft}->{FNT}; + my $sup = shift || 0; + $fontchg=1 if $cftsup != $sup; + $cftsup = $sup; + + if ($kernadjust != $curkern) + { + PutLine(); + $stream.="$kernadjust Tc\n"; + $curkern=$kernadjust; + } + + my $par2=$par; + $par2=~s/^!\|!\|(\d\d\d)/chr(oct($1))/e; + + foreach my $j (0..length($par2)-1) + { + my $cn=ord(substr($par2,$j,1)); + $cn+=$sup*256; + my $chnm=$fnt->{NO}->[$cn]->[1]; + + if (!$fnt->{NAM}->{$chnm}->[USED]) + { + my ($cn2, $sup2) = RemapChr($cn, $fnt, $chnm); + $stream.="% MMM Remap $cn,$sup to $cn2,$sup2\n" if $debug; + Msg(0, "got: $fnt->{NM}.$sup2; expected: $fnt->{NM}.$sup\n") if $sup != $sup2; + + #if ($cn2) + { + substr($par2,$j,1)=chr($cn2); + + if ($par=~m/^!\|!\|(\d\d\d)/) + { + substr($par,4,3)=sprintf("%03o",$cn2); + } + else + { + substr($par,$j,1)=chr($cn2); + } + } + } + } + my $wid=TextWid($par2,$sup,$fnt); + + $par=reverse(split('',$par)) if $xrev and $par!~m/^!\|!\|(\d\d\d)/; + + if ($n_flg and defined($mark)) + { + $mark->{ypos}=$ypos; + $mark->{xpos}=$xpos; + } + + $n_flg=0; + IsText(); + + $xpos+=$wid; + $xpos+=($pendmv-$nomove)/$unitwidth; + + $stream.="% == '$par'=$wid 'xpos=$xpos\n" if $debug; + + # $pendmv = 'h' move since last 't' + # $nomove = width of char(s) added by 'C', 'N' or 'c' + # $w-flg = 'w' seen since last t + + if ($fontchg) + { + PutLine(); + if (defined($cft)) + { + $whtsz=$fontlst{$cft}->{FNT}->{spacewidth} * $cftsz; + $stream.="/F$cft"; + $stream.=".$cftsup" if $cftsup; + $stream.=" $cftsz Tf\n"; + $fontchg=0; + } + } + + $gotT=1; + + $stream.="% --- wht=$whtsz, pend=$pendmv, nomv=$nomove\n" if $debug; + +# if ($w_flg && $#lin > -1) +# { +# $lin[$#lin]->[0].=' '; +# $pendmv-=$whtsz; +# $dontglue=1 if $pendmv==0; +# } + + $wt=-$pendmv/$cftsz if $w_flg and $wt==-1; + $pendmv-=$nomove; + $nomove=0; + $w_flg=0; + + if ($xrev) + { + PutLine(0) if $#lin > -1; + MakeMatrix(1); + $stream.="$matrix ".PutXY($xpos,$ypos)." Tm\n", $poschg=0; + $stream.="$curkern Tc\n"; + $stream.="0 Tw "; + $stream.="($par) Tj\n"; + MakeMatrix(); + $stream.="$matrix ".PutXY($xpos,$ypos)." Tm\n", $poschg=0; + $matrixchg=0; + $stream.="$curkern Tc\n"; + return; + } + + if ($pendmv) + { + if ($#lin == -1) + { + push(@lin,[undef,-$pendmv/$cftsz]); + } + else + { + $lin[$#lin]->[1]=-$pendmv/$cftsz; + } + + push(@lin,[$par,undef]); +# $xpos+=$pendmv/$unitwidth; + $pendmv=0 + } + else + { + if ($#lin == -1) + { + push(@lin,[$par,undef]); + } + else + { + $lin[$#lin]->[0].=$par; + } + } +} + +sub do_u +{ + my $par=shift; + + $par=m/([+-]?\d+) (.*)/; + $kernadjust=$1/$unitwidth; + do_t($2); + $kernadjust=0; +} + +sub do_h +{ + $pendmv+=shift; +} + +sub do_H +{ + my $par=shift; + + if ($mode eq 't') + { + PutLine(); + } + else + { + $xpos+=$pendmv/$unitwidth; + $pendmv=0; + } + + my $newx=$par/$unitwidth; + $stream.=sprintf("%.3f",$newx-$tmxpos)." 0 Td\n" if $mode eq 't'; + $tmxpos=$xpos=$newx; + $pendmv=$nomove=0; +} + +sub do_C +{ + my $par=shift; + + do_t(FindChar($par)); + $nomove=$fontlst{$cft}->{FNT}->{NAM}->{$par}->[WIDTH]*$cftsz ; +} + +sub FindChar +{ + my $chnm=shift; + my $fnt=$fontlst{$cft}->{FNT}; + + if (exists($fnt->{NAM}->{$chnm})) + { + my ($ch,$sup,$used)=@{$fnt->{NAM}->{$chnm}}[ASSIGNED,SUPPL,USED]; + ($ch,$sup) = RemapChr($ch,$fnt,$chnm) if !$used; + return ($ch<32)? sprintf("!|!|%03o",$ch) : chr($ch), $sup; + } + else + { + return(' '); + } +} + +sub RemapChr +{ + my $ch=shift; + my $fnt=shift; + my $chnm=shift; + my $unused; + + if ($use_suppl_font) { + + while (defined(my $un = shift @{$fnt->{REMAP}})) { + my $ux = $un + $fnt->{SUPPL} * 256; + my $glyph = $fnt->{NO}->[$ux]->[1]; + $unused = $un, last if !$glyph || !$fnt->{NAM}->{$glyph}->[USED]; + } + + if (!defined $unused) { + if (!$fnt->{NEXT}) { + my $fnt2 = { + %{$fnt}{qw/NM NO NAM/}, + SUPPL => $fnt->{SUPPL} + 1, + REMAP => [ 0..31, 33..255 ], + }; + $fnt->{NEXT} = $fnt2; + } + return RemapChr($ch, $fnt->{NEXT}, $chnm); + } + + my $ux = $unused + $fnt->{SUPPL} * 256; + my $glyph = $fnt->{NO}->[$ux]->[1]; + delete($fontlst{$cft}->{CACHE}->{$cftsz}); + @{$fnt->{NAM}->{$chnm}}[ASSIGNED, SUPPL, USED] = ($unused, $fnt->{SUPPL}, 1); + $fnt->{NO}->[$ux]->[1] = $chnm; + $widtbl = CacheWid($cft); + + $stream .= "% AAA Assign $chnm ($ch) to $unused ($fnt->{SUPPL})\n" if $debug; + + $ch = $unused; + return ($ch, $fnt->{SUPPL}); + } + + foreach my $un (0..$#{$fnt->{NO}}) + { + next if $un >= 139 and $un <= 144; + $unused=$un,last if $fnt->{NO}->[$un]->[1] eq ''; + } + + if (!defined $unused) + { + foreach my $un (128..255) + { + next if $un >= 139 and $un <= 144; + my $glyph=$fnt->{NO}->[$un]->[1]; + $unused=$un,last if $fnt->{NAM}->{$glyph}->[USED] == 0; + } + } + + if (defined $unused && $unused <= 255) + { + my $glyph=$fnt->{NO}->[$unused]->[1]; + delete($fontlst{$cft}->{CACHE}->{$cftsz}); + $fnt->{NAM}->{$chnm}->[ASSIGNED]=$unused; + $fnt->{NO}->[$unused]->[1]=$chnm; + $widtbl=CacheWid($cft); + + $stream.="% AAA Assign $chnm ($ch) to $unused\n" if $debug; + + $ch=$unused; + return($ch,0); + } + else + { + Msg(0,"Too many glyphs used in font '$cft'"); + return(32,0); + } +} + +sub do_c +{ + my $par=shift; + + push(@ahead,substr($par,1)); + $par=substr($par,0,1); + my $ch=ord($par); + do_N($ch); +} + +sub do_N +{ + my $par=shift; + my $fnt=$fontlst{$cft}->{FNT}; + + if (!defined($fnt->{NO}->[$par])) + { + Msg(0,"No chr($par) in font $fnt->{internalname}"); + return; + } + + my $chnm=$fnt->{NO}->[$par]->[0]; + do_C($chnm); +} + +sub do_n +{ + $gotT=0; + PutLine(0); + $pendmv=$nomove=0; + $n_flg=1; + @lin=(); + PutHotSpot($xpos) if defined($mark); +} + + +1; +######################################################################## +### Emacs settings +# Local Variables: +# mode: CPerl +# End: |