634 lines
14 KiB
Perl
634 lines
14 KiB
Perl
#!/usr/bin/perl
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my @cmpfiles;
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while($ARGV[0] eq "-c") {
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shift(@ARGV);
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push(@cmpfiles, shift(@ARGV));
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}
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if( $#ARGV < 1) {
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die("Usage: $0 [-c file]... file glyph-code...\n");
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}
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$fname=shift @ARGV;
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# storage for files
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my %fontname;
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my %fbbox;
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my %fblues;
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my %fenc;
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my %frevenc;
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my %fsubrs;
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my %fchars;
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my @cmnbbox; # common bounding box covering all files
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@cmnbbox = (100, 100, 100, 100);
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# read all files into memory
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for $f (@cmpfiles, $fname) {
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open(FILE, "<$f") or die("no such file $f");
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while(<FILE>) {
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if(/FontBBox\s+\{\s*(.*)\s*}/) {
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@bbox=split(/\s+/, $1);
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push(@{$fbbox{$f}}, @bbox);
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if($bbox[0] < $cmnbbox[0]) {
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$cmnbbox[0] = $bbox[0];
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}
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if($bbox[1] < $cmnbbox[1]) {
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$cmnbbox[1] = $bbox[1];
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}
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if($bbox[2] > $cmnbbox[2]) {
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$cmnbbox[2] = $bbox[2];
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}
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if($bbox[3] > $cmnbbox[3]) {
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$cmnbbox[3] = $bbox[3];
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}
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} elsif( /BlueValues\s+\[\s*(.*)\s*\]/ || /OtherBlues\s+\[\s*(.*)\s*\]/ ) {
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@blues=split(/\s+/, $1);
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push(@{$fblues{$f}}, @blues);
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} elsif( /^dup\s+(\d+)\s+\/(\S+)\s+put/ ) {
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$fenc{$f}{$1} = $2;
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if( ! defined $frevenc{$f}{$2} ) {
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$frevenc{$f}{$2} = $1;
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}
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} elsif( /^dup\s+(\d+)\s+\{\s*$/ ) {
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$key = $1;
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$bf = $_;
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while(<FILE>) {
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$bf .= $_;
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if( /\}\s+NP/ ) {
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last;
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}
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}
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$fsubrs{$f}{$key} = $bf;
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} elsif( /^\/(\S+)\s+\{\s*$/ ) {
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$key = $1;
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$bf = $_;
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while(<FILE>) {
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$bf .= $_;
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if( /endchar/ ) {
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last;
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}
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}
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$fchars{$f}{$key} = $bf;
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} elsif( /^\/FontName\s+(\S+)/ ) {
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$fontname{$f} = $1;
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}
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}
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close(FILE);
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}
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######################## Prolog ###################################
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print("%%!PS-Adobe-1.0
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%%DocumentNeededResources: font Courier
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%%Pages: (atend)
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%%EndComments
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%%BeginProlog
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/cmpfcolorarray [
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[ 1 0.2 0.2 ] % slightly lighter red
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[ 0 0.7 0.7 ] % cyan
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[ 0.7 0.7 0 ] % brown-yellow
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] def
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/cmpfcolor { % number -> .
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cmpfcolorarray length mod % get the subarray number
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cmpfcolorarray exch get aload pop setrgbcolor
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} bind def
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/contourcolor { 0 0 0 setrgbcolor } bind def % black
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/bluezonecolor { 0.95 0.95 1 setrgbcolor } bind def % very light blue
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/coordcolor { 0 1 0 setrgbcolor } bind def % green
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/textcolor { 0 0 0 setrgbcolor } bind def % black
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/stemcolor { 1 0 0 setrgbcolor } bind def % red
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/mainstemcolor { 0 0 1 setrgbcolor } bind def % blue
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% /fnt2pt { 72 5 mul 1000 div } bind def
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/linehor { % . font_y -> .
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gsave
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0 72 translate
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72 fnt2pt scale
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newpath
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0 exch moveto
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7 0 rlineto
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stroke
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grestore
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} bind def
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/linevert { % . font_x -> .
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gsave
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72 0 translate
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fnt2pt 72 scale
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newpath
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0 moveto
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0 7 rlineto
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stroke
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grestore
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} bind def
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/bluezone { % . font_y_1 font_y_2 -> .
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gsave
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bluezonecolor
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0 72 translate
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72 fnt2pt scale
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newpath
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0 exch moveto
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7 0 rlineto
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7 exch lineto
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-7 0 rlineto
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closepath
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fill
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grestore
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} bind def
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/drawstem { % . xwidth ywidth x0 y0 -> .
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gsave
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72 72 translate fnt2pt fnt2pt scale xorg yorg translate
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newpath
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moveto
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dup 0 exch rlineto
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exch 0 rlineto
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neg 0 exch rlineto
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closepath fill
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grestore
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} bind def
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/getlen {
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dup stringwidth pop
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} bind def
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/compressfont 0.8 def
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/label { % . string stringwd y -> .
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dup lasty lt {
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dup lasty fontsz sub le
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} {
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dup lasty fontsz add ge
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} ifelse {
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/curx 0 store
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} if
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dup /lasty exch store
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0 exch moveto
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compressfont mul dup curx add maxx gt {
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/curx 0 store
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} if
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curx 0 rmoveto
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dup 0 rlineto
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stroke
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gsave
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curx lasty moveto
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curx add /curx exch store
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compressfont 1 scale
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show
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grestore
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} bind def
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");
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@bbox=@cmnbbox;
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$nx=$bbox[2]-$bbox[0];
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$ny=$bbox[3]-$bbox[1];
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$maxsz= ($nx>$ny) ? $nx : $ny;
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$fnt2pt= 72*5/$maxsz;
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printf("/fnt2pt 72 5 mul %d div def\n", $maxsz);
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$xorg= -($bbox[0]-($maxsz-$nx)/2);
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$yorg= -($bbox[1]-($maxsz-$ny)/2);
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printf("/xorg %d def /yorg %d def\n", $xorg, $yorg);
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print("
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%%EndProlog
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");
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######################## Subroutines ##############################
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sub bluezone # from to
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{
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my ($a, $b)=@_;
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printf("%d %d bluezone\n",$a+$yorg, $b+$yorg);
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$ycoord{$a+0}=1;
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$ycoord{$b+0}=1;
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}
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sub linehor # x
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{
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my $a=$_[0];
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printf("%d linehor\n",$a+$yorg);
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$ycoord{$a+0}=1;
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}
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sub linevert # x
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{
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my $a=$_[0];
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printf("%d linevert\n",$a+$xorg);
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$xcoord{$a+0}=1;
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}
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sub hstem # from width
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{
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my ($from, $width)=@_;
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$stemhused=1;
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printf("%d %d %d %d drawstem %% %d %d h \n", -$stemwd, $width,
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$bbox[0]-2-$stemhgrp*$stemwd, $from,
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$from, $width);
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printf("%d %d %d %d drawstem %% %d %d h \n", $stemwd, $width,
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$bbox[2]+2+$stemhgrp*$stemwd, $from,
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$from, $width);
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}
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sub vstem # from width
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{
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my ($from, $width)=@_;
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$stemvused=1;
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printf("%d %d %d %d drawstem %% %d %d v \n", $width, -$stemwd,
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$from, $bbox[1]-2-$stemhgrp*$stemwd,
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$from, $width);
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printf("%d %d %d %d drawstem %% %d %d v \n", $width, $stemwd,
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$from, $bbox[3]+2+$stemhgrp*$stemwd,
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$from, $width);
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}
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sub nextstemgrp
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{
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if($stemhused || $stemvused) {
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$stemhgrp++;
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$stemhused=0;
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$stemvgrp++;
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$stemvused=0;
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}
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}
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sub substems # fname subrlist
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{
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my $fname = shift;
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my $i, $cmd, @vals;
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print("\nstemcolor\n");
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for $i (@_) {
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&nextstemgrp();
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for $_ (split(/\n/, $fsubrs{$fname}{$i})) {
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s/^\s+//;
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@vals=split(/\s+/, $_);
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$cmd=$vals[$#vals];
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if($cmd eq "hstem") {
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&hstem($vals[0], $vals[1]);
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} elsif($cmd eq "vstem") {
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&vstem($vals[0], $vals[1]);
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}
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}
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}
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print("\n");
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}
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sub drawcharwstems # charstring
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{
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my($x,$y)=(0,0);
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my @vals, $cmd, $i;
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print("\nmainstemcolor\n");
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&nextstemgrp();
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for $_ (split(/\n/, $_[0])) {
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s/^\s+//;
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@vals=split(/\s+/, $_);
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$cmd=$vals[$#vals];
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if($cmd eq "hsbw") {
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$x=$vals[0]+0;
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} elsif($cmd eq "hstem") {
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&hstem($vals[0], $vals[1]);
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} elsif($cmd eq "hstem3") {
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&hstem($vals[0], $vals[1]);
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&hstem($vals[2], $vals[3]);
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&hstem($vals[4], $vals[5]);
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} elsif($cmd eq "vstem") {
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&vstem($vals[0], $vals[1]);
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} elsif($cmd eq "vstem3") {
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&vstem($vals[0], $vals[1]);
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&vstem($vals[2], $vals[3]);
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&vstem($vals[4], $vals[5]);
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} elsif($cmd eq "rmoveto") {
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# a shortcut
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last;
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}
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}
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&drawchar("drawchar", 1, "contourcolor", $_[0]);
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}
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sub drawchar #procname wantgrid color charstring
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{
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my($procname, $wantgrid, $color, $charstring) = @_;
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my($x,$y)=(0,0);
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my @vals, $cmd, $i;
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my %xv=();
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my %yv=();
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printf("\n/%s {\n",$procname);
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printf("\ngsave 72 72 translate fnt2pt fnt2pt scale %d %d translate\n", $xorg, $yorg);
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printf("%s 1 setlinewidth newpath\n", $color);
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for $_ (split(/\n/, $charstring)) {
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s/^\s+//;
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@vals=split(/\s+/, $_);
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$cmd=$vals[$#vals];
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if($cmd eq "callsubr" && $vals[1] == 4) {
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push(@subrlist, $vals[0]);
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} elsif($cmd eq "amoveto") {
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$x=$vals[0]+0;
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$y=$vals[1]+0;
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("%d %d moveto\n", $x, $y);
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printf("%d %d 5 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "rmoveto") {
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$x+=$vals[0];
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$y+=$vals[1];
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("%d %d moveto\n", $x, $y);
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printf("%d %d 5 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "hmoveto") {
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$x+=$vals[0];
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("%d %d moveto\n", $x, $y);
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printf("%d %d 5 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "vmoveto") {
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$y+=$vals[0];
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("%d %d moveto\n", $x, $y);
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printf("%d %d 5 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "alineto") {
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$x=$vals[0]+0;
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$y=$vals[1]+0;
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("%d %d lineto\n", $x, $y);
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printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "rlineto") {
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$x+=$vals[0];
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$y+=$vals[1];
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("%d %d lineto\n", $x, $y);
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printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "hlineto") {
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$x+=$vals[0];
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("%d %d lineto\n", $x, $y);
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printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "vlineto") {
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$y+=$vals[0];
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("%d %d lineto\n", $x, $y);
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printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "arcurveto") {
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for $i (0,2,4) {
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$x=$vals[$i]+0;
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$y=$vals[$i+1]+0;
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printf("%d %d ", $x, $y);
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}
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("curveto\n");
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printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "rrcurveto") {
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for $i (0,2,4) {
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$x+=$vals[$i];
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$y+=$vals[$i+1];
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printf("%d %d \n", $x, $y);
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}
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("curveto\n");
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printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "hvcurveto") {
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$x+=$vals[0];
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printf("%d %d \n", $x, $y);
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$x+=$vals[1];
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$y+=$vals[2];
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printf("%d %d \n", $x, $y);
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$y+=$vals[3];
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printf("%d %d \n", $x, $y);
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("curveto\n");
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printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "vhcurveto") {
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$y+=$vals[0];
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printf("%d %d \n", $x, $y);
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$x+=$vals[1];
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$y+=$vals[2];
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printf("%d %d \n", $x, $y);
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$x+=$vals[3];
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printf("%d %d \n", $x, $y);
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$xv{$x+0}=1; $yv{$y+0}=1;
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printf("curveto\n");
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printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y);
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} elsif($cmd eq "closepath") {
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printf("closepath stroke newpath\n");
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}
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}
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printf("grestore } bind def\n");
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if($wantgrid) {
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printf("coordcolor\n");
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for $x (keys %xv) {
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&linevert($x);
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}
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for $y (keys %yv) {
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&linehor($y);
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}
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}
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}
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$pages=0;
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for $arg (@ARGV) {
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undef $name, $code;
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if( $arg =~ /^\/(.*)/ ) {
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$name=$1;
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} elsif( $arg =~ /^\.(.)/ ) {
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$code=ord($1);
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} else {
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$code=$arg;
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}
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$pages++;
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$stemhgrp=0;
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$stemhused=0;
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$stemvgrp=0;
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$stemvused=0;
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$stemwd=10;
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undef %xcoord;
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undef %ycoord;
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if( defined $name ) {
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$xname = $name;
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$xcode = $frevenc{$fname}{$name};
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if( $xcode eq "" ) {
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$xcode = "**UNKNOWN**";
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}
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} else {
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$xname = $fenc{$fname}{$code};
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if( $xname eq "" ) {
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$xname = "**UNKNOWN**";
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}
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$xcode = $code;
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}
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printf("%%%%Page: %d %d\n", $pages, $pages);
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printf("gsave
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0 setlinewidth
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36 72 translate
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gsave
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contourcolor
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72 72 scale
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newpath
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0 0 moveto
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7 0 rlineto
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0 7 rlineto
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-7 0 rlineto
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closepath
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stroke
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1 1 translate
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newpath
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0 0 moveto
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5 0 rlineto
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0 5 rlineto
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-5 0 rlineto
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closepath
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stroke
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grestore
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");
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undef @subrlist;
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@bbox=@{$fbbox{$fname}};
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print("coordcolor\n");
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printf("0 linehor %d linehor %d linehor\n", $bbox[1]+$yorg, $bbox[3]+$yorg);
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printf("%d linevert %d linevert\n", $bbox[0]+$xorg, $bbox[2]+$xorg);
|
|
|
|
%vals=@{$fblues{$fname}};
|
|
for $i (keys %vals) {
|
|
&bluezone($i, $vals{$i});
|
|
}
|
|
|
|
$havechar = 1;
|
|
if( defined $fchars{$fname}{$xname} ) {
|
|
&drawcharwstems($fchars{$fname}{$xname});
|
|
} else {
|
|
$havechar = 0;
|
|
if(defined $name) {
|
|
printf(STDERR "WARNING: %s nas no character with name \"%s\"\n", $fname, $name);
|
|
} else {
|
|
printf(STDERR "WARNING: %s nas no character with code \"%s\"\n", $fname, $code);
|
|
}
|
|
}
|
|
|
|
&substems($fname, @subrlist);
|
|
|
|
printf(STDERR "glyph name:%s code:%s (%d substituted stem groups)\n", $xname, $xcode, scalar @subrlist);
|
|
|
|
$cmpfidx = 0;
|
|
for $cmpf(@cmpfiles) {
|
|
undef $cname, $ccode;
|
|
|
|
if( defined $name ) {
|
|
if ( ! defined $fchars{$cmpf}{$name} && defined $fenc{$cmpf}{$xcode}) {
|
|
printf(STDERR " NOTE: %s nas no glyph with name \"%s\", guessed by code\n", $cmpf, $name);
|
|
$cname = $fenc{$cmpf}{$xcode};
|
|
if( $cname eq "" ) {
|
|
$cname = "**UNKNOWN**";
|
|
}
|
|
$ccode = $xcode;
|
|
} else {
|
|
$cname = $name;
|
|
$ccode = $frevenc{$cmpf}{$name};
|
|
if( $ccode eq "" ) {
|
|
$ccode = "**UNKNOWN**";
|
|
}
|
|
}
|
|
} else {
|
|
$cname = $fenc{$cmpf}{$code};
|
|
if( $cname eq "" ) {
|
|
$cname = "**UNKNOWN**";
|
|
}
|
|
$ccode = $code;
|
|
}
|
|
|
|
if( defined $fchars{$cmpf}{$cname} ) {
|
|
&drawchar("drawcmpchar", 0, sprintf("%d cmpfcolor", $cmpfidx),
|
|
$fchars{$cmpf}{$cname});
|
|
printf("drawcmpchar\n\n");
|
|
printf(STDERR " in %s glyph name:%s code:%s\n", $cmpf, $cname, $ccode);
|
|
} else {
|
|
if(defined $name) {
|
|
printf(STDERR " WARNING: %s nas no character with name \"%s\"\n", $cmpf, $name);
|
|
} else {
|
|
printf(STDERR " WARNING: %s nas no character with code \"%s\"\n", $cmpf, $code);
|
|
}
|
|
}
|
|
$cmpfidx++;
|
|
}
|
|
|
|
if($havechar) {
|
|
printf("drawchar\n\n");
|
|
}
|
|
|
|
# flush the last group
|
|
&nextstemgrp();
|
|
|
|
# the values of coordinates
|
|
printf("/fontsz 8 fnt2pt div def\n");
|
|
printf("/Myfont /Courier findfont fontsz scalefont def\n\n");
|
|
printf("contourcolor Myfont setfont\n");
|
|
|
|
for $org (0, $xorg+$bbox[2]+$stemwd*$stemhgrp+72/$fnt2pt) {
|
|
printf("gsave\n");
|
|
printf("/maxx 72 fnt2pt div %d sub def /curx 0 def /lasty -10000 def\n",
|
|
2+$stemhgrp*$stemwd-$xorg-$bbox[0]);
|
|
printf("0 72 translate fnt2pt fnt2pt scale %f yorg translate 1 setlinewidth\n", $org);
|
|
for $y (sort {$a <=> $b} keys %ycoord) {
|
|
printf("(%d) getlen %d label\n", $y, $y);
|
|
}
|
|
printf("grestore\n");
|
|
}
|
|
|
|
for $org (0, $yorg+$bbox[3]+$stemwd*$stemvgrp+72/$fnt2pt) {
|
|
printf("gsave\n");
|
|
printf("/maxx 72 fnt2pt div %d sub def /curx 0 def /lasty -10000 def\n",
|
|
2+$stemvgrp*$stemwd-$yorg-$bbox[1]);
|
|
printf("72 0 translate fnt2pt fnt2pt scale xorg %f translate 90 rotate 1 setlinewidth\n", $org);
|
|
for $x (sort {$a <=> $b} keys %xcoord) {
|
|
printf("(%d) getlen %d label\n", $x, -$x);
|
|
}
|
|
printf("grestore\n");
|
|
}
|
|
|
|
printf("gsave 0 %d translate\n", 7.5*72 );
|
|
printf("contourcolor /Courier findfont 12 scalefont setfont\n");
|
|
$line = 0;
|
|
|
|
$cmpfidx = $#cmpfiles;
|
|
if( $cmpfidx > (2.5*72/15)-4 ) {
|
|
$cmpfidx = (2.5*72/15)-4;
|
|
}
|
|
for(; $cmpfidx>=0; $cmpfidx--) {
|
|
$cmpf = $cmpfiles[$cmpfidx];
|
|
printf("%d cmpfcolor\n", $cmpfidx);
|
|
printf("newpath 20 %d moveto 0 10 rlineto 10 0 rlineto 0 -10 rlineto closepath fill\n",
|
|
15*$line, $cmpf);
|
|
printf("contourcolor 40 %d moveto (%s %s) show\n", 15*$line, $cmpf, $fontname{$cmpf});
|
|
$line++;
|
|
}
|
|
if( $#cmpfiles >=0 ) {
|
|
printf("0 %d moveto (Comparison files:) show\n", 15*$line++);
|
|
}
|
|
printf("0 %d moveto (code: %d name: %s) show\n", 15*$line++, $xcode, $xname);
|
|
printf("0 %d moveto (%s) show\n", 15*$line++, $fname);
|
|
printf("0 %d moveto (%s) show\n", 15*$line++, $fontname{$fname});
|
|
printf("grestore\n\n");
|
|
|
|
printf("showpage grestore\n\n");
|
|
}
|
|
printf("%%%%Pages: %d\n", $pages);
|