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1 #!/usr/bin/perl 2 3 my @cmpfiles; 4 5 while($ARGV[0] eq "-c") { 6 shift(@ARGV); 7 push(@cmpfiles, shift(@ARGV)); 8 } 9 10 if( $#ARGV < 1) { 11 die("Usage: $0 [-c file]... file glyph-code...\n"); 12 } 13 14 $fname=shift @ARGV; 15 16 # storage for files 17 my %fontname; 18 my %fbbox; 19 my %fblues; 20 my %fenc; 21 my %frevenc; 22 my %fsubrs; 23 my %fchars; 24 my @cmnbbox; # common bounding box covering all files 25 26 @cmnbbox = (100, 100, 100, 100); 27 28 # read all files into memory 29 for $f (@cmpfiles, $fname) { 30 open(FILE, "<$f") or die("no such file $f"); 31 while(<FILE>) { 32 if(/FontBBox\s+\{\s*(.*)\s*}/) { 33 @bbox=split(/\s+/, $1); 34 push(@{$fbbox{$f}}, @bbox); 35 if($bbox[0] < $cmnbbox[0]) { 36 $cmnbbox[0] = $bbox[0]; 37 } 38 if($bbox[1] < $cmnbbox[1]) { 39 $cmnbbox[1] = $bbox[1]; 40 } 41 if($bbox[2] > $cmnbbox[2]) { 42 $cmnbbox[2] = $bbox[2]; 43 } 44 if($bbox[3] > $cmnbbox[3]) { 45 $cmnbbox[3] = $bbox[3]; 46 } 47 } elsif( /BlueValues\s+\[\s*(.*)\s*\]/ || /OtherBlues\s+\[\s*(.*)\s*\]/ ) { 48 @blues=split(/\s+/, $1); 49 push(@{$fblues{$f}}, @blues); 50 } elsif( /^dup\s+(\d+)\s+\/(\S+)\s+put/ ) { 51 $fenc{$f}{$1} = $2; 52 if( ! defined $frevenc{$f}{$2} ) { 53 $frevenc{$f}{$2} = $1; 54 } 55 } elsif( /^dup\s+(\d+)\s+\{\s*$/ ) { 56 $key = $1; 57 $bf = $_; 58 while(<FILE>) { 59 $bf .= $_; 60 if( /\}\s+NP/ ) { 61 last; 62 } 63 } 64 $fsubrs{$f}{$key} = $bf; 65 } elsif( /^\/(\S+)\s+\{\s*$/ ) { 66 $key = $1; 67 $bf = $_; 68 while(<FILE>) { 69 $bf .= $_; 70 if( /endchar/ ) { 71 last; 72 } 73 } 74 $fchars{$f}{$key} = $bf; 75 } elsif( /^\/FontName\s+(\S+)/ ) { 76 $fontname{$f} = $1; 77 } 78 } 79 close(FILE); 80 } 81 82 ######################## Prolog ################################### 83 84 print("%%!PS-Adobe-1.0 85 %%DocumentNeededResources: font Courier 86 %%Pages: (atend) 87 %%EndComments 88 %%BeginProlog 89 /cmpfcolorarray [ 90 [ 1 0.2 0.2 ] % slightly lighter red 91 [ 0 0.7 0.7 ] % cyan 92 [ 0.7 0.7 0 ] % brown-yellow 93 ] def 94 /cmpfcolor { % number -> . 95 cmpfcolorarray length mod % get the subarray number 96 cmpfcolorarray exch get aload pop setrgbcolor 97 } bind def 98 /contourcolor { 0 0 0 setrgbcolor } bind def % black 99 /bluezonecolor { 0.95 0.95 1 setrgbcolor } bind def % very light blue 100 /coordcolor { 0 1 0 setrgbcolor } bind def % green 101 /textcolor { 0 0 0 setrgbcolor } bind def % black 102 /stemcolor { 1 0 0 setrgbcolor } bind def % red 103 /mainstemcolor { 0 0 1 setrgbcolor } bind def % blue 104 105 % /fnt2pt { 72 5 mul 1000 div } bind def 106 107 /linehor { % . font_y -> . 108 gsave 109 0 72 translate 110 72 fnt2pt scale 111 newpath 112 0 exch moveto 113 7 0 rlineto 114 stroke 115 grestore 116 } bind def 117 118 /linevert { % . font_x -> . 119 gsave 120 72 0 translate 121 fnt2pt 72 scale 122 newpath 123 0 moveto 124 0 7 rlineto 125 stroke 126 grestore 127 } bind def 128 129 /bluezone { % . font_y_1 font_y_2 -> . 130 gsave 131 bluezonecolor 132 0 72 translate 133 72 fnt2pt scale 134 newpath 135 0 exch moveto 136 7 0 rlineto 137 7 exch lineto 138 -7 0 rlineto 139 closepath 140 fill 141 grestore 142 } bind def 143 144 /drawstem { % . xwidth ywidth x0 y0 -> . 145 gsave 146 72 72 translate fnt2pt fnt2pt scale xorg yorg translate 147 newpath 148 moveto 149 dup 0 exch rlineto 150 exch 0 rlineto 151 neg 0 exch rlineto 152 closepath fill 153 grestore 154 } bind def 155 156 /getlen { 157 dup stringwidth pop 158 } bind def 159 160 /compressfont 0.8 def 161 162 /label { % . string stringwd y -> . 163 dup lasty lt { 164 dup lasty fontsz sub le 165 } { 166 dup lasty fontsz add ge 167 } ifelse { 168 /curx 0 store 169 } if 170 dup /lasty exch store 171 0 exch moveto 172 compressfont mul dup curx add maxx gt { 173 /curx 0 store 174 } if 175 curx 0 rmoveto 176 dup 0 rlineto 177 stroke 178 gsave 179 curx lasty moveto 180 curx add /curx exch store 181 compressfont 1 scale 182 show 183 grestore 184 } bind def 185 "); 186 187 @bbox=@cmnbbox; 188 189 $nx=$bbox[2]-$bbox[0]; 190 $ny=$bbox[3]-$bbox[1]; 191 $maxsz= ($nx>$ny) ? $nx : $ny; 192 $fnt2pt= 72*5/$maxsz; 193 printf("/fnt2pt 72 5 mul %d div def\n", $maxsz); 194 $xorg= -($bbox[0]-($maxsz-$nx)/2); 195 $yorg= -($bbox[1]-($maxsz-$ny)/2); 196 printf("/xorg %d def /yorg %d def\n", $xorg, $yorg); 197 198 print(" 199 %%EndProlog 200 "); 201 202 ######################## Subroutines ############################## 203 204 sub bluezone # from to 205 { 206 my ($a, $b)=@_; 207 printf("%d %d bluezone\n",$a+$yorg, $b+$yorg); 208 $ycoord{$a+0}=1; 209 $ycoord{$b+0}=1; 210 } 211 212 sub linehor # x 213 { 214 my $a=$_[0]; 215 printf("%d linehor\n",$a+$yorg); 216 $ycoord{$a+0}=1; 217 } 218 219 sub linevert # x 220 { 221 my $a=$_[0]; 222 printf("%d linevert\n",$a+$xorg); 223 $xcoord{$a+0}=1; 224 } 225 226 sub hstem # from width 227 { 228 my ($from, $width)=@_; 229 $stemhused=1; 230 printf("%d %d %d %d drawstem %% %d %d h \n", -$stemwd, $width, 231 $bbox[0]-2-$stemhgrp*$stemwd, $from, 232 $from, $width); 233 printf("%d %d %d %d drawstem %% %d %d h \n", $stemwd, $width, 234 $bbox[2]+2+$stemhgrp*$stemwd, $from, 235 $from, $width); 236 } 237 238 sub vstem # from width 239 { 240 my ($from, $width)=@_; 241 $stemvused=1; 242 printf("%d %d %d %d drawstem %% %d %d v \n", $width, -$stemwd, 243 $from, $bbox[1]-2-$stemhgrp*$stemwd, 244 $from, $width); 245 printf("%d %d %d %d drawstem %% %d %d v \n", $width, $stemwd, 246 $from, $bbox[3]+2+$stemhgrp*$stemwd, 247 $from, $width); 248 } 249 250 sub nextstemgrp 251 { 252 if($stemhused || $stemvused) { 253 $stemhgrp++; 254 $stemhused=0; 255 $stemvgrp++; 256 $stemvused=0; 257 } 258 } 259 260 sub substems # fname subrlist 261 { 262 my $fname = shift; 263 my $i, $cmd, @vals; 264 265 print("\nstemcolor\n"); 266 267 for $i (@_) { 268 &nextstemgrp(); 269 for $_ (split(/\n/, $fsubrs{$fname}{$i})) { 270 s/^\s+//; 271 @vals=split(/\s+/, $_); 272 $cmd=$vals[$#vals]; 273 if($cmd eq "hstem") { 274 &hstem($vals[0], $vals[1]); 275 } elsif($cmd eq "vstem") { 276 &vstem($vals[0], $vals[1]); 277 } 278 } 279 } 280 print("\n"); 281 } 282 283 sub drawcharwstems # charstring 284 { 285 my($x,$y)=(0,0); 286 my @vals, $cmd, $i; 287 288 print("\nmainstemcolor\n"); 289 &nextstemgrp(); 290 for $_ (split(/\n/, $_[0])) { 291 s/^\s+//; 292 @vals=split(/\s+/, $_); 293 $cmd=$vals[$#vals]; 294 295 if($cmd eq "hsbw") { 296 $x=$vals[0]+0; 297 } elsif($cmd eq "hstem") { 298 &hstem($vals[0], $vals[1]); 299 } elsif($cmd eq "hstem3") { 300 &hstem($vals[0], $vals[1]); 301 &hstem($vals[2], $vals[3]); 302 &hstem($vals[4], $vals[5]); 303 } elsif($cmd eq "vstem") { 304 &vstem($vals[0], $vals[1]); 305 } elsif($cmd eq "vstem3") { 306 &vstem($vals[0], $vals[1]); 307 &vstem($vals[2], $vals[3]); 308 &vstem($vals[4], $vals[5]); 309 } elsif($cmd eq "rmoveto") { 310 # a shortcut 311 last; 312 } 313 } 314 &drawchar("drawchar", 1, "contourcolor", $_[0]); 315 } 316 317 sub drawchar #procname wantgrid color charstring 318 { 319 my($procname, $wantgrid, $color, $charstring) = @_; 320 my($x,$y)=(0,0); 321 my @vals, $cmd, $i; 322 my %xv=(); 323 my %yv=(); 324 325 printf("\n/%s {\n",$procname); 326 printf("\ngsave 72 72 translate fnt2pt fnt2pt scale %d %d translate\n", $xorg, $yorg); 327 printf("%s 1 setlinewidth newpath\n", $color); 328 for $_ (split(/\n/, $charstring)) { 329 s/^\s+//; 330 @vals=split(/\s+/, $_); 331 $cmd=$vals[$#vals]; 332 333 if($cmd eq "callsubr" && $vals[1] == 4) { 334 push(@subrlist, $vals[0]); 335 } elsif($cmd eq "amoveto") { 336 $x=$vals[0]+0; 337 $y=$vals[1]+0; 338 $xv{$x+0}=1; $yv{$y+0}=1; 339 printf("%d %d moveto\n", $x, $y); 340 printf("%d %d 5 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 341 } elsif($cmd eq "rmoveto") { 342 $x+=$vals[0]; 343 $y+=$vals[1]; 344 $xv{$x+0}=1; $yv{$y+0}=1; 345 printf("%d %d moveto\n", $x, $y); 346 printf("%d %d 5 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 347 } elsif($cmd eq "hmoveto") { 348 $x+=$vals[0]; 349 $xv{$x+0}=1; $yv{$y+0}=1; 350 printf("%d %d moveto\n", $x, $y); 351 printf("%d %d 5 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 352 } elsif($cmd eq "vmoveto") { 353 $y+=$vals[0]; 354 $xv{$x+0}=1; $yv{$y+0}=1; 355 printf("%d %d moveto\n", $x, $y); 356 printf("%d %d 5 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 357 } elsif($cmd eq "alineto") { 358 $x=$vals[0]+0; 359 $y=$vals[1]+0; 360 $xv{$x+0}=1; $yv{$y+0}=1; 361 printf("%d %d lineto\n", $x, $y); 362 printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 363 } elsif($cmd eq "rlineto") { 364 $x+=$vals[0]; 365 $y+=$vals[1]; 366 $xv{$x+0}=1; $yv{$y+0}=1; 367 printf("%d %d lineto\n", $x, $y); 368 printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 369 } elsif($cmd eq "hlineto") { 370 $x+=$vals[0]; 371 $xv{$x+0}=1; $yv{$y+0}=1; 372 printf("%d %d lineto\n", $x, $y); 373 printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 374 } elsif($cmd eq "vlineto") { 375 $y+=$vals[0]; 376 $xv{$x+0}=1; $yv{$y+0}=1; 377 printf("%d %d lineto\n", $x, $y); 378 printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 379 } elsif($cmd eq "arcurveto") { 380 for $i (0,2,4) { 381 $x=$vals[$i]+0; 382 $y=$vals[$i+1]+0; 383 printf("%d %d ", $x, $y); 384 } 385 $xv{$x+0}=1; $yv{$y+0}=1; 386 printf("curveto\n"); 387 printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 388 } elsif($cmd eq "rrcurveto") { 389 for $i (0,2,4) { 390 $x+=$vals[$i]; 391 $y+=$vals[$i+1]; 392 printf("%d %d \n", $x, $y); 393 } 394 $xv{$x+0}=1; $yv{$y+0}=1; 395 printf("curveto\n"); 396 printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 397 } elsif($cmd eq "hvcurveto") { 398 $x+=$vals[0]; 399 printf("%d %d \n", $x, $y); 400 $x+=$vals[1]; 401 $y+=$vals[2]; 402 printf("%d %d \n", $x, $y); 403 $y+=$vals[3]; 404 printf("%d %d \n", $x, $y); 405 $xv{$x+0}=1; $yv{$y+0}=1; 406 printf("curveto\n"); 407 printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 408 } elsif($cmd eq "vhcurveto") { 409 $y+=$vals[0]; 410 printf("%d %d \n", $x, $y); 411 $x+=$vals[1]; 412 $y+=$vals[2]; 413 printf("%d %d \n", $x, $y); 414 $x+=$vals[3]; 415 printf("%d %d \n", $x, $y); 416 $xv{$x+0}=1; $yv{$y+0}=1; 417 printf("curveto\n"); 418 printf("%d %d 3 0 360 arc %d %d moveto\n", $x, $y, $x, $y); 419 } elsif($cmd eq "closepath") { 420 printf("closepath stroke newpath\n"); 421 } 422 } 423 424 printf("grestore } bind def\n"); 425 if($wantgrid) { 426 printf("coordcolor\n"); 427 for $x (keys %xv) { 428 &linevert($x); 429 } 430 for $y (keys %yv) { 431 &linehor($y); 432 } 433 } 434 } 435 436 $pages=0; 437 438 for $arg (@ARGV) { 439 undef $name, $code; 440 441 if( $arg =~ /^\/(.*)/ ) { 442 $name=$1; 443 } elsif( $arg =~ /^\.(.)/ ) { 444 $code=ord($1); 445 } else { 446 $code=$arg; 447 } 448 449 $pages++; 450 451 $stemhgrp=0; 452 $stemhused=0; 453 $stemvgrp=0; 454 $stemvused=0; 455 $stemwd=10; 456 undef %xcoord; 457 undef %ycoord; 458 459 if( defined $name ) { 460 $xname = $name; 461 $xcode = $frevenc{$fname}{$name}; 462 if( $xcode eq "" ) { 463 $xcode = "**UNKNOWN**"; 464 } 465 } else { 466 $xname = $fenc{$fname}{$code}; 467 if( $xname eq "" ) { 468 $xname = "**UNKNOWN**"; 469 } 470 $xcode = $code; 471 } 472 473 printf("%%%%Page: %d %d\n", $pages, $pages); 474 printf("gsave 475 476 0 setlinewidth 477 36 72 translate 478 479 gsave 480 contourcolor 481 72 72 scale 482 newpath 483 0 0 moveto 484 7 0 rlineto 485 0 7 rlineto 486 -7 0 rlineto 487 closepath 488 stroke 489 1 1 translate 490 newpath 491 0 0 moveto 492 5 0 rlineto 493 0 5 rlineto 494 -5 0 rlineto 495 closepath 496 stroke 497 grestore 498 499 "); 500 501 undef @subrlist; 502 503 504 @bbox=@{$fbbox{$fname}}; 505 506 print("coordcolor\n"); 507 printf("0 linehor %d linehor %d linehor\n", $bbox[1]+$yorg, $bbox[3]+$yorg); 508 printf("%d linevert %d linevert\n", $bbox[0]+$xorg, $bbox[2]+$xorg); 509 510 %vals=@{$fblues{$fname}}; 511 for $i (keys %vals) { 512 &bluezone($i, $vals{$i}); 513 } 514 515 $havechar = 1; 516 if( defined $fchars{$fname}{$xname} ) { 517 &drawcharwstems($fchars{$fname}{$xname}); 518 } else { 519 $havechar = 0; 520 if(defined $name) { 521 printf(STDERR "WARNING: %s nas no character with name \"%s\"\n", $fname, $name); 522 } else { 523 printf(STDERR "WARNING: %s nas no character with code \"%s\"\n", $fname, $code); 524 } 525 } 526 527 &substems($fname, @subrlist); 528 529 printf(STDERR "glyph name:%s code:%s (%d substituted stem groups)\n", $xname, $xcode, scalar @subrlist); 530 531 $cmpfidx = 0; 532 for $cmpf(@cmpfiles) { 533 undef $cname, $ccode; 534 535 if( defined $name ) { 536 if ( ! defined $fchars{$cmpf}{$name} && defined $fenc{$cmpf}{$xcode}) { 537 printf(STDERR " NOTE: %s nas no glyph with name \"%s\", guessed by code\n", $cmpf, $name); 538 $cname = $fenc{$cmpf}{$xcode}; 539 if( $cname eq "" ) { 540 $cname = "**UNKNOWN**"; 541 } 542 $ccode = $xcode; 543 } else { 544 $cname = $name; 545 $ccode = $frevenc{$cmpf}{$name}; 546 if( $ccode eq "" ) { 547 $ccode = "**UNKNOWN**"; 548 } 549 } 550 } else { 551 $cname = $fenc{$cmpf}{$code}; 552 if( $cname eq "" ) { 553 $cname = "**UNKNOWN**"; 554 } 555 $ccode = $code; 556 } 557 558 if( defined $fchars{$cmpf}{$cname} ) { 559 &drawchar("drawcmpchar", 0, sprintf("%d cmpfcolor", $cmpfidx), 560 $fchars{$cmpf}{$cname}); 561 printf("drawcmpchar\n\n"); 562 printf(STDERR " in %s glyph name:%s code:%s\n", $cmpf, $cname, $ccode); 563 } else { 564 if(defined $name) { 565 printf(STDERR " WARNING: %s nas no character with name \"%s\"\n", $cmpf, $name); 566 } else { 567 printf(STDERR " WARNING: %s nas no character with code \"%s\"\n", $cmpf, $code); 568 } 569 } 570 $cmpfidx++; 571 } 572 573 if($havechar) { 574 printf("drawchar\n\n"); 575 } 576 577 # flush the last group 578 &nextstemgrp(); 579 580 # the values of coordinates 581 printf("/fontsz 8 fnt2pt div def\n"); 582 printf("/Myfont /Courier findfont fontsz scalefont def\n\n"); 583 printf("contourcolor Myfont setfont\n"); 584 585 for $org (0, $xorg+$bbox[2]+$stemwd*$stemhgrp+72/$fnt2pt) { 586 printf("gsave\n"); 587 printf("/maxx 72 fnt2pt div %d sub def /curx 0 def /lasty -10000 def\n", 588 2+$stemhgrp*$stemwd-$xorg-$bbox[0]); 589 printf("0 72 translate fnt2pt fnt2pt scale %f yorg translate 1 setlinewidth\n", $org); 590 for $y (sort {$a <=> $b} keys %ycoord) { 591 printf("(%d) getlen %d label\n", $y, $y); 592 } 593 printf("grestore\n"); 594 } 595 596 for $org (0, $yorg+$bbox[3]+$stemwd*$stemvgrp+72/$fnt2pt) { 597 printf("gsave\n"); 598 printf("/maxx 72 fnt2pt div %d sub def /curx 0 def /lasty -10000 def\n", 599 2+$stemvgrp*$stemwd-$yorg-$bbox[1]); 600 printf("72 0 translate fnt2pt fnt2pt scale xorg %f translate 90 rotate 1 setlinewidth\n", $org); 601 for $x (sort {$a <=> $b} keys %xcoord) { 602 printf("(%d) getlen %d label\n", $x, -$x); 603 } 604 printf("grestore\n"); 605 } 606 607 printf("gsave 0 %d translate\n", 7.5*72 ); 608 printf("contourcolor /Courier findfont 12 scalefont setfont\n"); 609 $line = 0; 610 611 $cmpfidx = $#cmpfiles; 612 if( $cmpfidx > (2.5*72/15)-4 ) { 613 $cmpfidx = (2.5*72/15)-4; 614 } 615 for(; $cmpfidx>=0; $cmpfidx--) { 616 $cmpf = $cmpfiles[$cmpfidx]; 617 printf("%d cmpfcolor\n", $cmpfidx); 618 printf("newpath 20 %d moveto 0 10 rlineto 10 0 rlineto 0 -10 rlineto closepath fill\n", 619 15*$line, $cmpf); 620 printf("contourcolor 40 %d moveto (%s %s) show\n", 15*$line, $cmpf, $fontname{$cmpf}); 621 $line++; 622 } 623 if( $#cmpfiles >=0 ) { 624 printf("0 %d moveto (Comparison files:) show\n", 15*$line++); 625 } 626 printf("0 %d moveto (code: %d name: %s) show\n", 15*$line++, $xcode, $xname); 627 printf("0 %d moveto (%s) show\n", 15*$line++, $fname); 628 printf("0 %d moveto (%s) show\n", 15*$line++, $fontname{$fname}); 629 printf("grestore\n\n"); 630 631 printf("showpage grestore\n\n"); 632 } 633 printf("%%%%Pages: %d\n", $pages);
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