15 our $output_layer= '*';
17 our $subsegmovfeatpos='f';
18 our $subsegcmapangscale;
20 our $ps_page_shift= 615;
21 our $ps_page_xmul= 765.354;
22 our $ps_page_ymul= 538.583;
28 our $drawers= 'arsclmnog';
29 our %chdraw_emap= qw(A ARScg
43 while (@ARGV && $ARGV[0] =~ m/^\-/) {
44 last if $ARGV[0] eq '-';
49 if (s/^D(\d+)//) { $debug= $1; }
50 elsif (s/^D//) { $debug++; }
51 elsif (s/^q//) { $quiet=1; }
52 elsif (s/^l(\d+|\*)//) { $output_layer=$1; }
53 elsif (s/^S([0-9.]+)$//) { $scale= $1 * 1.0; }
54 elsif (s/^P(\d+)x(\d+)$//) { $page_x= $1; $page_y= $2; }
55 elsif (s/^GR//) { $subsegcmapreq=1; }
56 elsif (s/^GP(\d+|f)$//) { $subsegmovfeatpos=$1; }
57 elsif (s/^GL(.*)$//) {
59 my ($sscmf, $datum, $csss, $angbits);
61 $sscmf= new IO::File $sscmfn, 'r'
62 or die "$sscmfn: cannot open: $!\n";
64 $!=0; $_= <$sscmf>; die $! unless defined $_;
67 m,^C\s+(\w*/(?:[A-Za-z_]+)?)\s+(0x[0-9a-f]+)\s+(\d+)\s*$,
68 or die "$sscmfn:$.: syntax error in subseg cmap\n";
69 ($csss,$datum,$angbits)= ($1,$2,$3);
70 if (!defined $subsegcmapangscale) {
71 $subsegcmapangscale= 1<<$angbits;
73 die "angbits varies" if $subsegcmapangscale != 1<<$angbits;
77 die "sorry, cannot put any movfeatpos or segment in red";
79 $subsegcmap{$csss}= sprintf("%.6f %.6f",
80 (($datum >> 8) & 0xff)/255.0,
81 (($datum >> 16) & 0xff)/255.0);
83 $sscmf->error and die "$sscmfn: error reading: $!\n";
86 ((?:[a-z]|\*|\?|\[[a-z][-a-z]*\])*?)
87 (\~?) (\d*) (\=*|\-+|\++) (\d*|\*)
89 my ($ee,$g,$n,$d,$c,$v,$cc) = ($1,$2,$3,$4,$5,$6,$7);
90 my ($eo, $invert, $lfn, $ccc, $sense,$limit);
91 $g =~ s/\?/\./g; $g =~ s/\*/\.\*/g;
92 die '-[eE]GND[=]* not allowed' if $v eq '*' && length $d;
93 $d= $output_layer if !length $d;
96 $c= '=' if !length $c;
97 if (length $v && $v ne '*') {
98 die '-[eE]GN[D]CCV not allowed' if length $c > 1;
101 if ($c =~ m/^[-+]/) {
102 die '-[eE]GN+/-* not allowed' if $v eq '*';
103 $sense= ($&.'1') + 0;
104 $limit= ($sense * $d) + length($c) - 1;
106 ($output_layer eq '*' ? $d
107 : $_[0]) * $sense >= $limit
110 } elsif ($v eq '*') {
111 $lfn= sub { !$invert; };
113 $limit= length($c) - 1;
116 ($output_layer eq '*' ? 1
117 : abs($_[0] - $d) <= $limit)
121 #print STDERR "output layer $output_layer; asking re $_[0] rel $d lim $limit invert $invert result $lfn_result\n";
126 foreach $c (split //, $cc) {
128 die "bad -e option $c" unless defined $chdraw_emap{$c};
129 $ccc .= $chdraw_emap{$c};
131 die "bad -E option $c" unless $c =~ m/[$drawers]/i;
136 $eo->{LayerCheck}= $lfn;
137 $eo->{DrawMods}= $ccc;
138 #print STDERR "created eo $eo re $eo->{GlobRe} n=$n d=$d v=$v c=$c limit=$limit cc=$cc\n";
141 die "-S option must come right at the start and have numeric arg";
143 die "unknown option -$_";
148 our $ptscale= 72/25.4 / $scale;
151 our $psu_edgelw= 0.5;
152 our $psu_ticklw= 0.1;
153 our $psu_ticksperu= 1;
154 our $psu_ticklen= 5.0;
156 our $psu_sleeperlen= 17;
157 our $psu_sleeperlw= 15;
158 our $psu_raillw= 1.0;
159 our $psu_thinlw= 1.0;
160 our $psu_subseglw= 15.0;
163 our $lmu_marktpt= 11;
164 our $lmu_txtboxtxty= $lmu_marktpt * 0.300;
165 our $lmu_txtboxh= $lmu_marktpt * 1.100;
166 our $lmu_txtboxpadx= $lmu_marktpt * 0.335;
167 our $lmu_txtboxoff= $lmu_marklw / 2;
168 our $lmu_txtboxlw= 1;
170 our $olu_left= 10 * $scale;
171 our $olu_right= 217 * $scale - $olu_left;
172 our $olu_bottom= 20 * $scale;
173 our $olu_top= 270 * $scale - $olu_bottom;
176 our $olu_textheight= 15;
177 our $olu_textallowperc= $lmu_marktpt * 5.0/11;
179 our $pi= atan2(0,-1);
183 return 27 unless defined $radius;
184 $radius= abs($radius);
185 return ($radius >= 450 ? 33 :
186 $radius >= 400 ? 35 :
189 sub allwidth ($) { return allwidth2($_[0]) * 0.5; }
191 our $allwidthmax= allwidth(0);
192 our $allwidthmin= allwidth(undef);
195 # $ctx->{CmdLog}= undef } not in defobj
196 # $ctx->{CmdLog}[]= [ command args ] } in defobj
197 # $ctx->{Parent}= $parent_ctx or undef
198 # $ctx->{LocsMade}[]{Id}= $id
199 # $ctx->{LocsMade}[]{Neg}= 1 or 0
200 # $ctx->{Loc}{$id}{X}
201 # $ctx->{Loc}{$id}{Y}
202 # $ctx->{Loc}{$id}{A}
203 # $ctx->{Loc}{$id}{LayerKind}
204 # $ctx->{Trans}{X} # transformation. is ev representing
205 # $ctx->{Trans}{Y} # new origin. (is applied at _input_
206 # $ctx->{Trans}{A} # not at plot-time)
207 # $ctx->{Trans}{R} # but multiply all y coords by this!
208 # $ctx->{Draw} # sequence of one or more chrs from uc $drawers
209 # # possibly including X meaning never draw
210 # # anything now (eg in defobj)
211 # $ctx->{DrawMap} # =$fn s.t.
212 # # &$fn($drawchrs_spec_by_layer_cmdline)
213 # # = $drawchrs_we_should_use_due_to_obj_etc
214 # $ctx->{SegName} # initial segment name (at start of object or file)
215 # # or nonexistent if in object in unknown segment
216 # # may have leading `-'
217 # $ctx->{SegMapN}{$s}= $o
218 # $ctx->{SegMapNM}{$s}= $o
219 # $ctx->{SavedSegment} # exists iff segment command used, is a $csss
220 # $ctx->{Layer}{Level}
221 # $ctx->{Layer}{Kind}
225 # $objs{$id}{Part} # 1 iff object is a part
227 # $eopts[]{GlobRe} # regexp for K
228 # $eopts[]{LayerCheck} # =$fn where &$fn($l) is true iff layer matches
229 # $eopts[]{DrawMods} # modifier chars for drawing
231 # @segments= ( $csss0, $dist0, $csss1, $dist1, ..., $csssn )
232 # # here each csss may have preceding `-'
234 # $subsegcmap{$csss} = "$green $blue"
235 # # $csss is canonical subseg spec; always has '/'
239 our @al; # current cmd
244 our $param; # for parametric_segment
248 # Operate on Enhanced Vectors which are a location (coordinates) and a
249 # direction at that location. Representation is a hash with members X
250 # Y and A (angle of the direction in radians, anticlockwise from
251 # East). May be absolute, or interpreted as relative, according to
254 # Each function's first argument is a hashref whose X Y A members will
255 # be created or overwritten; this hashref will be returned (so you can
256 # use it `functionally' by passing {}). The other arguments may be ev
257 # hashrefs, or other info. The results are in general undefined if
258 # one of the arguments is the same hash as the result.
260 sub ev_byang ($$;$) {
261 # ev_byang(R, ANG,[LEN])
262 # result is evec LEN (default=1.0) from origin pointing in direction ANG
263 my ($res,$ang,$len)=@_;
264 $len=1.0 unless defined $len;
265 $res->{X}= $len * cos($ang);
266 $res->{Y}= $len * sin($ang);
270 sub ev_compose ($$$) {
271 # ev_compose(SUM_R, A,B);
272 # appends B to A, result is end of new B
273 # (B's X is forwards from end of A, Y is translating left from end of A)
274 # A may have a member R, which if provided then it should be 1.0 or -1.0,
275 # and B's Y and A will be multiplied by R first (ie, we can reflect);
276 my ($sum,$a,$b) = @_;
278 $r= defined $a->{R} ? $a->{R} : 1.0;
279 $sum->{X}= $a->{X} + $b->{X} * cos($a->{A}) - $r * $b->{Y} * sin($a->{A});
280 $sum->{Y}= $a->{Y} + $r * $b->{Y} * cos($a->{A}) + $b->{X} * sin($a->{A});
281 $sum->{A}= $a->{A} + $r * $b->{A};
284 sub ev_decompose ($$$) {
285 # ev_decompose(B_R, A,SUM)
286 # computes B_R s.t. ev_compose({}, A, B_R) gives SUM
289 $r= defined $a->{R} ? $a->{R} : 1.0;
290 $brx= $sum->{X} - $a->{X};
291 $bry= $r * ($sum->{Y} - $a->{Y});
292 $b->{X}= $brx * cos($a->{A}) + $bry * sin($a->{A});
293 $b->{Y}= $bry * cos($a->{A}) - $brx * sin($a->{A});
294 $b->{A}= $r * ($sum->{A} - $a->{A});
297 sub ev_lincomb ($$$$) {
298 # ev_linkcomb(RES,A,B,P)
299 # gives P*A + (1-P)*B
300 my ($r,$a,$b,$p) = @_;
302 map { $r->{$_} = $q * $a->{$_} + $p * $b->{$_} } qw(X Y A);
305 sub a_normalise ($$) {
307 # adds or subtracts 2*$pi to/from A until it is in [ Z , Z+2*$pi >
310 $r= $z + fmod($a - $z, 2.0*$pi);
311 $r += 2*$pi if $r < $z;
314 sub ev_bearing ($$) {
316 # returns bearing of B from A
317 # value returned is in [ A->{A}, A->{A} + 2*$pi >
318 # A->{A} and B->{A} are otherwise ignored
321 $r= atan2($b->{Y} - $a->{Y},
323 $r= a_normalise($r,$a->{A});
327 sub v_rotateright ($) {
329 # returns image of A rotated 90 deg clockwise
331 return { X => $a->{Y}, Y => -$a->{X} };
333 sub v_dotproduct ($$) {
336 return $a->{X} * $b->{X} + $a->{Y} * $b->{Y};
338 sub v_scalarmult ($$) {
340 # multiplies V by scalar S and returns product
342 return { X => $s * $v->{X}, Y => $s * $v->{Y} };
346 # vector sum of all inputs
349 $r= { X => 0.0, Y => 0.0 };
350 foreach $i (@i) { $r->{X} += $i->{X}; $r->{Y} += $i->{Y}; }
353 sub v_subtract ($$) {
355 # returns vector from A to B, ie B - A
357 return { X => $b->{X} - $a->{X},
358 Y => $b->{Y} - $a->{Y} };
364 my ($x,$y) = ($v->{X}, $v->{Y});
365 return sqrt($x*$x + $y*$y);
369 # returns distance from A to B
370 return v_len(v_subtract($_[0],$_[1]));
375 $$limr= $now unless defined $$limr && $$limr <= $now;
379 $$limr= $now unless defined $$limr && $$limr >= $now;
383 my ($converter,$defaulter)=@_;
385 return &$defaulter unless @al;
387 $v= &$converter($spec);
388 dv('canf ','$spec',$spec, '$v',$v);
391 sub can ($) { my ($c)=@_; canf($c, sub { die "too few args"; }); }
392 sub cano ($$) { my ($c,$def)=@_; canf($c, sub { return $def }); }
394 sub signum ($) { return ($_[0] > 0) - ($_[0] < 0); }
398 my ($min_x, $max_x, $min_y, $max_y);
400 foreach $loc (values %$objhash) {
401 upd_min(\$min_x, $loc->{X} - abs($allwidthmax * sin($loc->{A})));
402 upd_max(\$max_x, $loc->{X} + abs($allwidthmax * sin($loc->{A})));
403 upd_min(\$min_y, $loc->{Y} - abs($allwidthmax * cos($loc->{A})));
404 upd_max(\$max_y, $loc->{Y} + abs($allwidthmax * cos($loc->{A})));
406 return ($min_x, $max_x, $min_y, $max_y);
409 our %units_len= qw(- mm mm 1 cm 10 m 1000);
410 our %units_ang= qw(- d r 1); $units_ang{'d'}= 2*$pi / 360;
412 sub cva_len ($) { my ($sp)=@_; cva_units($sp,\%units_len); }
413 sub cva_identity ($) { my ($sp)=@_; $sp; }
414 sub cva_ang ($) { my ($sp)=@_; cva_units($sp,\%units_ang); }
415 sub cva_absang ($) { input_absang(cva_ang($_[0])) }
419 $sp =~ m/^([-0-9eE.]*[0-9.])([A-Za-z]*)$/
420 or die "lexically invalid quantity";
422 $u=$ua->{'-'} unless length $u;
423 defined $ua->{$u} or die "unknown unit $u";
425 print DEBUG "cva_units($sp,)=$r ($n $u $ua->{$u})\n";
430 die "invalid id" unless $sp =~ m/^[a-z][_0-9A-Za-z]*$/;
435 my ($id,$r,$d,$k,$neg,$na,$obj_id,$vflip,$locs);
436 if ($sp =~ s/^(\^?)(\w+)\!//) {
439 die "invalid obj $obj_id in loc" unless exists $objs{$obj_id};
440 $locs= $objs{$obj_id}{Loc};
445 $neg= $sp =~ s/^\-//;
447 die "unknown $id" unless defined $locs->{$id};
450 foreach $k (sort keys %$r) { $d .= " $k=$r->{$k}"; }
451 printf DEBUG "%s\n", $d;
453 $r= { X => $r->{X}, Y => -$r->{Y}, A => -$r->{A} };
457 $na= a_normalise($na,0);
458 $r= { X => $r->{X}, Y => $r->{Y}, A => $na };
465 $neg = $sp =~ s/^\-//;
467 die "duplicate $id" if exists $ctx->{Loc}{$id};
468 $ctx->{Loc}{$id}{LayerKind}= $ctx->{Layer}{Kind};
469 push @{ $ctx->{LocsMade} }, {
473 return $ctx->{Loc}{$id};
475 sub cva_cmd ($) { return cva_idstr($_[0]); }
478 return $sp if grep { $_ eq $sp } @$el;
479 die "invalid option (permitted: @$el)";
481 sub cvam_enum { my (@e) = @_; return sub { cva__enum($_[0],\@e); }; }
485 $nl= can(\&cva_idnew);
486 $i->{X}= can(\&cva_len);
487 $i->{Y}= can(\&cva_len);
488 $i->{A}= can(\&cva_ang);
489 ev_compose($nl, $ctx->{Trans}, $i);
492 my ($from,$to,$len,$right,$turn);
493 $from= can(\&cva_idex);
494 $to= can(\&cva_idnew);
495 $len= cano(\&cva_len,0);
496 $right= cano(\&cva_len,0) * $ctx->{Trans}{R};
497 $turn= cano(\&cva_ang, 0) * $ctx->{Trans}{R};
498 my ($u)= ev_compose({}, $from, { X => $len, Y => -$right, A => 0 });
499 ev_compose($to, $u, { X => 0, Y => 0, A => $turn });
504 $pfx . ($pfx =~ m/\}$|\]$/ ? '' : '->');
508 return 'undef' if !defined $v;
509 return $v if $v !~ m/\W/ && $v =~ m/[A-Z]/ && $v =~ m/^[a-z_]/i;
510 return $v if $v =~ m/^[0-9.]+/;
511 $v =~ s/[\\\']/\\$&/g;
515 sub dv1_kind ($$$$$$$) {
516 my ($pfx,$expr,$ref,$ref_exp,$ixfmt,$ixesfn,$ixmapfn) = @_;
518 return 0 if $ref ne $ref_exp;
520 foreach $ix (&$ixesfn) {
522 my ($v)= &$ixmapfn($ix);
523 #print STDERR "dv1_kind($pfx,$expr,$ref,$ref_exp,$ixmapfn) ix=$ix v=$v\n";
524 dv1($pfx,$expr.sprintf($ixfmt,dv__evr($ix)),$v);
527 printf DEBUG "%s%s= $ixfmt\n", $pfx, $expr, ' ';
532 return 0 unless $debug;
533 my ($pfx,$expr,$v) = @_;
536 #print STDERR "dv1 >$pfx|$ref<\n";
538 printf DEBUG "%s%s= %s\n", $pfx,$expr, dv__evr($v);
540 } elsif ($ref eq 'SCALAR') {
541 dv1($pfx, ($expr =~ m/^\$/ ? "\$$expr" : '${'.$expr.'}'), $$v);
544 $expr.='->' unless $expr =~ m/\]$|\}$/;
545 return if dv1_kind($pfx,$expr,$ref,'ARRAY','[%s]',
546 sub { ($[ .. $#$v) },
547 sub { $v->[$_[0]] });
548 return if dv1_kind($pfx,$expr,$ref,'HASH','{%s}',
549 sub { sort keys %$v },
550 sub { $v->{$_[0]} });
551 printf DEBUG "%s%s is %s\n", $pfx, $expr, $ref;
563 sub o ($) { $o .= $_[0]; }
564 sub ol ($) { $ol .= $_[0]; }
566 return if $subsegcmapreq;
567 print $o, $ol, " showpage\n"
574 sub o_path_begin () {
576 $o_path_verb= 'moveto';
578 sub o_path_point ($) {
580 o(" $pt $o_path_verb\n");
581 $o_path_verb= 'lineto';
583 sub o_path_stroke ($) {
585 o(" $width setlinewidth stroke\n");
587 sub o_path_strokeonly () {
592 my ($a,$b,$width)=@_;
596 o_path_stroke($width);
599 sub current_draw () {
601 $r= $ctx->{Draw} =~ m/X/ ? '' : $ctx->{Draw};
605 sub psu_coords ($$$) {
606 my ($ends,$inunit,$across)=@_;
607 # $ends->[0]{X} etc.; $inunit 0 to 1 (but go to 1.5);
608 # $across in mm, +ve to right.
609 my (%ea_zo, $zo, $prop);
610 $ea_zo{X}=$ea_zo{Y}=0;
611 foreach $zo (qw(0 1)) {
612 $prop= $zo ? $inunit : (1.0 - $inunit);
613 $ea_zo{X} += $prop * ($ends->[$zo]{X} - $across * sin($ends->[0]{A}));
614 $ea_zo{Y} += $prop * ($ends->[$zo]{Y} + $across * cos($ends->[0]{A}));
616 # dv("psu_coords ", '$ends',$ends, '$inunit',$inunit, '$across',$across,
617 # '\\%ea_zo', \%ea_zo);
618 return $ea_zo{X}." ".$ea_zo{Y};
621 sub parametric__o_pt ($) {
623 o_path_point("$pt->{X} $pt->{Y}");
626 our $segused_incurrent;
627 our $segused_currentpt;
629 sub segment_used__print ($) {
631 if ($segused_incurrent > 0) {
633 $ctx->{Layer}{Level}.$ctx->{Layer}{Kind}." ".
635 $segused_incurrent." ".
636 loc2dbg($segused_currentpt)." ".
639 $segused_incurrent= undef;
640 $segused_currentpt= undef;
643 sub segment_used__len ($$) {
645 $segused_incurrent++;
647 return if @segments < 3;
648 $segments[1] -= $used;
649 return if $segments[1] > 0;
651 segment_used__print($pt);
652 segment_used_begin($pt);
654 @segments= @segments[2..$#segments];
655 o("% segments @segments\n");
658 sub segment_used_begin ($) {
659 $segused_incurrent= 0;
660 $segused_currentpt= $_[0];
662 sub segment_used_middle ($$) {
664 segment_used__len($used,$pt);
666 sub segment_used_end ($$) {
668 segment_used__len($used,$pt);
669 segment_used__print($pt);
671 sub parametric_segment ($$$$$) {
672 my ($p0,$p1,$lenperp,$minradius,$calcfn) = @_;
673 # makes $p (global) go from $p0 to $p1 ($p1>$p0)
674 # $lenperp is the length of one unit p, ie the curve
675 # must have a uniform `density' in parameter space
676 # $calcfn is invoked with $p set and should return a loc
677 # (ie, ref to X =>, Y =>, A =>).
678 my ($pa,$pb,@ends,$side,$ppu,$e,$v,$tick,$draw,$allwidth);
679 return unless $ctx->{Draw} =~ m/[ARSCG]/;
680 $ppu= $psu_ulen/$lenperp;
681 $allwidth= allwidth($minradius);
682 my ($railctr)=($psu_gauge + $psu_raillw)*0.5;
683 my ($tickend)=($allwidth - $psu_ticklen);
684 my ($tickpitch)=($psu_ulen / $psu_ticksperu);
685 my ($sleeperctr)=($psu_ulen*0.5);
686 my ($sleeperend)=($psu_sleeperlen*0.5);
687 print DEBUG "ps $p0 $p1 $lenperp ($ppu)\n";
688 $draw= current_draw();
690 my ($pt,$going,$red,$csegbare,$movfeat,$movstroke,$used_last);
692 o("% segments @segments\n");
693 o(" $psu_subseglw setlinewidth\n");
696 segment_used_begin($pt);
698 $movstroke= " stroke\n";
699 $csegbare= $segments[0];
700 $csegbare =~ s/^\-//;
701 if ($subsegcmapreq) {
702 if (!exists $subsegcmap{$csegbare}) {
703 print "$csegbare\n" or die $!;
704 $subsegcmap{$csegbare}++;
707 $movfeat= $csegbare =~ s,(/\D+)(\d+)$,$1, ? $2 : 'f';
708 if ($subsegmovfeatpos ne $movfeat) {
709 $movstroke= "% no-stroke\n";
711 die "unknown subsegment colour for $csegbare\n"
712 unless exists $subsegcmap{$csegbare};
713 $red= $pt->{A} / (2*$pi);
714 $red *= $subsegcmapangscale;
715 $red += $subsegcmapangscale*2;
716 $red += $subsegcmapangscale/2 if $segments[0] =~ m/^\-/;
717 $red %= $subsegcmapangscale;
719 $red= sprintf("%f", $red);
720 o(" $red $subsegcmap{$csegbare} setrgbcolor\n");
723 parametric__o_pt($pt);
728 segment_used_middle($psu_ulen,$pt);
729 parametric__o_pt($pt);
732 $used_last= $p1-($param-$ppu);
735 segment_used_end($used_last * $lenperp, $pt);
736 parametric__o_pt($pt);
741 o(" $psu_thinlw setlinewidth\n");
743 for ($param=$p0; $param<$p1; $param += $ppu) {
744 parametric__o_pt(&$calcfn);
747 parametric__o_pt(&$calcfn);
750 return unless $draw =~ m/[ARS]/;
751 for ($pa= $p0; $pa<$p1; $pa=$pb) {
753 $param= $pa; $ends[0]= @ends ? $ends[1] : &$calcfn;
754 $param= $pb; $ends[1]= &$calcfn;
755 #print DEBUG "pa $pa $ends[0]{X} $ends[0]{Y} $ends[0]{A}\n";
756 #print DEBUG "pb $pb $ends[1]{X} $ends[1]{Y} $ends[1]{A}\n";
757 $e= $pb<=$p1 ? 1.0 : ($p1-$pa)/$ppu;
760 o_path_point(psu_coords(\@ends,0,-$allwidth));
761 o_path_point(psu_coords(\@ends,0,$allwidth));
762 o_path_point(psu_coords(\@ends,$e,$allwidth));
763 o_path_point(psu_coords(\@ends,$e,-$allwidth));
764 o(" closepath clip\n");
765 foreach $side qw(-1 1) {
767 o_line(psu_coords(\@ends,0,$side*$railctr),
768 psu_coords(\@ends,1.5,$side*$railctr),
773 o_line(psu_coords(\@ends,$sleeperctr,-$sleeperend),
774 psu_coords(\@ends,$sleeperctr,+$sleeperend),
779 foreach $side qw(-1 1) {
780 o_line(psu_coords(\@ends,0,$side*$allwidth),
781 psu_coords(\@ends,1.5,$side*$allwidth),
783 for ($tick=0; $tick<1.5; $tick+=$tickpitch/$psu_ulen) {
784 o_line(psu_coords(\@ends,$tick,$side*$allwidth),
785 psu_coords(\@ends,$tick,$side*$tickend),
795 my ($to, $ctr,$from, $radius,$delta) = @_;
796 # does parametric_segment to draw an arc centred on $ctr
797 # ($ctr->{A} ignored)
798 # from $from with radius $radius (this must be consistent!)
799 # and directionally-subtending an angle $delta.
800 # sets $to->... to be the other end, and returns $to
802 $to->{A}= $beta= $from->{A} + $delta;
803 $to->{X}= $ctr->{X} - $radius * sin($beta);
804 $to->{Y}= $ctr->{Y} + $radius * cos($beta);
805 return if abs($delta*$radius) < 1e-9;
806 parametric_segment(0.0,1.0, abs($radius*$delta), $radius, sub {
807 my ($beta) = $from->{A} + $delta * $param;
808 return { X => $ctr->{X} - $radius * sin($beta),
809 Y => $ctr->{Y} + $radius * cos($beta),
814 # joins_xxx all take $results, $from, $to, $minradius
815 # where $results->[]{Path}{K} etc. and $results->[]{SolKinds}[]
817 sub joins_twoarcs ($$$$) {
818 my ($results, $from,$to,$minradius) = @_;
819 # two circular arcs of equal maximum possible radius
820 # algorithm courtesy of Simon Tatham (`Railway problem',
821 # pers.comm. to ijackson@chiark 23.1.2004)
822 my ($sigma,$distfact, $theta,$phi, $a,$b,$c,$d, $m,$r, $radius);
823 my ($cvec,$cfrom,$cto,$midpt, $delta1,$delta2, $path,$reverse);
824 $sigma= ev_bearing($from,$to);
825 $distfact= v_dist($from,$to);
826 $theta= 0.5 * $pi - ($from->{A} - $sigma);
827 $phi= 0.5 * $pi - ($to->{A} + $pi - $sigma);
828 $a= 2 * (1 + cos($theta - $phi));
829 $b= 2 * (cos($theta) - cos($phi));
831 $d= sqrt($b*$b - 4*$a*$c);
832 o("% twoarcs theta=".ang2deg($theta)." phi=".ang2deg($phi).
833 " ${a}r^2 + ${b}r + ${c} = 0\n");
834 foreach $m (qw(-1 1)) {
836 o("% twoarcs $m insoluble\n");
839 $r= -0.5 * (-$b + $m*$d) / $a;
840 $radius= -$r * $distfact;
841 o("% twoarcs $m radius $radius ");
842 if (abs($radius) < $minradius) { o("too-small\n"); next; }
843 $cfrom= ev_compose({}, $from, { X=>0, Y=>-$radius, A=>-0.5*$pi });
844 $cto= ev_compose({}, $to, { X=>0, Y=> $radius, A=> 0.5*$pi });
845 $midpt= ev_lincomb({}, $cfrom, $cto, 0.5);
846 $reverse= signum($r);
851 $delta1= ev_bearing($cfrom, $midpt) - $cfrom->{A};
852 $delta2= ev_bearing($cto, $midpt) - $cto->{A};
853 o("ok deltas ".ang2deg($delta1)." ".ang2deg($delta2)."\n");
859 $path= [{ T=>Arc, F=>$from, C=>$cfrom, R=> $radius, D=>$delta1 },
860 { T=>Arc, F=>$to, C=>$cto, R=>-$radius, D=>$delta2 }];
861 push @$results, { Path => $path,
862 SolKinds => [ 'twoarcs', 'cross' ] };
866 sub joins_arcsline ($$$$) {
867 my ($results, $from,$to,$minradius) = @_;
868 # two circular arcs of specified radius
869 # with an intervening straight
870 my ($lr,$inv, $c,$d,$alpha,$t,$k,$l,$rpmsina,$rcosa,$linelen, $path);
871 if ($minradius<=1e-6) { o("% arcsline no-radius\n"); return; }
872 foreach $lr (qw(-1 +1)) {
873 foreach $inv (qw(-1 +1)) {
874 $c=ev_compose({},$from,{X=>0,Y=>-$lr*$minradius, A=>0 });
875 $d=ev_compose({},$to,{X=>0, Y=>-$inv*$lr*$minradius, A=>$pi });
877 o("% arcsline $lr $inv t=$t ");
878 if ($t < 1e-6) { o("concentric"); next; }
879 $c->{A}= $d->{A}= ev_bearing($c,$d);
880 o("bearing ".ang2deg($c->{A}));
883 $k= ev_compose({}, $c, { X=>0, Y=>$lr*$minradius, A=>0 });
884 $l= ev_compose({}, $d, { X=>0, Y=>$lr*$minradius, A=>0 });
887 my ($cosalpha) = 2.0 * $minradius / $t;
888 if ($cosalpha > (1.0 - 1e-6)) { o(" too-close\n"); next; }
889 $alpha= acos($cosalpha);
890 $rpmsina= $lr * $minradius * sin($alpha);
891 $rcosa= $minradius * $cosalpha;
892 $k= ev_compose({}, $c, { X=>$rcosa, Y=>$rpmsina, A=>0 });
893 $l= ev_compose({}, $d, { X=>-$rcosa, Y=>-$rpmsina, A=>0 });
894 $k->{A}= $l->{A}= ev_bearing($k,$l);
895 o(" alpha=".ang2deg($alpha)." kl^=".ang2deg($k->{A})."\n");
896 $linelen= v_dist($k,$l);
898 $path= [{ T => Arc, F => $from, C => $c,
900 D => -$lr * a_normalise
901 ($lr * ($from->{A} - $k->{A}), 0) },
902 { T => Line, A => $k, B => $l, L => $linelen },
903 { T => Arc, F => $l, C => $d,
904 R => $inv*$lr*$minradius,
905 D => -$lr*$inv * a_normalise
906 (-$lr*$inv * ($to->{A} - $l->{A}), 0) }];
909 SolKinds => [ 'arcsline', ($inv<0 ? 'cross' : 'loop') ] };
914 sub joins_arcline ($$$$) {
915 my ($results, $from,$to,$minradius) = @_;
916 # one circular arc and a straight line
917 my ($swap,$echoice,$path, $ap,$bp,$av,$bv, $e,$f, $ae,$af,$afae);
918 my ($dak,$ak,$kj,$k,$j,$aja,$jl,$l,$jc,$lc,$c,$rj,$rb);
919 foreach $swap (qw(-1 +1)) {
920 foreach $echoice (qw(0 1)) {
921 $ap= $from; $bp= { %$to }; $bp->{A} += $pi;
922 ($ap,$bp)= ($bp,$ap) if $swap<0;
923 $av= ev_byang({}, $ap->{A});
924 $bv= ev_byang({}, $bp->{A});
925 $e= ev_byang({}, 0.5 * ($ap->{A} + $bp->{A} + $echoice * $pi));
926 $f= v_rotateright($e);
927 o("% arcline $swap $echoice e ".loc2dbg($e)."\n");
928 $ae= v_dotproduct($av,$e);
929 $af= v_dotproduct($av,$f);
930 o("% arcline $swap $echoice a.e=$ae a.f=$af ");
931 if (abs($ae) < 1e-6) { o(" singular\n"); next; }
933 o("a.f/a.e=$afae\n");
934 $dak= v_dotproduct(v_subtract($ap,$bp), $e);
935 $ak= v_scalarmult($dak, $e);
936 $kj= v_scalarmult($dak * $afae, $f);
939 $aja= v_dotproduct(v_subtract($ap,$j), $av);
940 o("% arcline $swap $echoice d_ak=$dak aj.a=$aja ");
941 if ($aja < 0) { o(" backwards aj\n"); next; }
942 $jl= v_scalarmult(0.5, v_subtract($j, $bp));
943 $lc= v_scalarmult(-v_dotproduct($jl, $f) * $afae, $e);
946 $rj= v_dotproduct(v_subtract($j,$c), v_rotateright($av));
947 $rb= v_dotproduct(v_subtract($c,$bp), v_rotateright($bv));
948 o("r_j=$rj r_b=$rb ");
949 if ($rj * $rb < 0) { o(" backwards b\n"); next; }
950 if (abs($rj) < $minradius) { o(" too-small\n"); next; }
954 $path= [{ T => Line, A => $ap, B => $j, L => $aja },
955 { T => Arc, F => $j, C => $c, R => $rj,
956 D => -signum($rj) * a_normalise
957 (-signum($rj) * ($bp->{A} + $pi - $j->{A}), 0) }];
958 $path= [ reverse @$path ] if $swap<0;
959 push @$results, { Path => $path, SolKinds => [ 'arcline' ] };
965 my ($from,$to,$minradius);
966 my (@results,$result);
967 my ($path,$segment,$bestpath,$len,$scores,$bestscores,@bends,$skl);
968 my ($crit,$cs,$i,$cmp);
969 $from= can(\&cva_idex);
970 $to= can(\&cva_idex);
971 $minradius= can(\&cva_len);
972 o("% join ".loc2dbg($from)."..".loc2dbg($to)." $minradius\n");
973 joins_twoarcs(\@results, $from,$to,$minradius);
974 joins_arcsline(\@results, $from,$to,$minradius);
975 joins_arcline(\@results, $from,$to,$minradius);
976 foreach $result (@results) {
977 $path= $result->{Path};
978 $skl= $result->{SolKinds};
979 o("% possible path @$skl $path\n");
982 foreach $segment (@$path) {
983 if ($segment->{T} eq Arc) {
984 o("% Arc C ".loc2dbg($segment->{C}).
985 " R $segment->{R} D ".ang2deg($segment->{D})."\n");
986 $len += abs($segment->{R} * $segment->{D});
987 push @bends, -abs($segment->{R}) * $segment->{D}; # right +ve
988 } elsif ($segment->{T} eq Line) {
989 o("% Line A ".loc2dbg($segment->{A}).
990 " B ".loc2dbg($segment->{A})." L $segment->{L}\n");
991 $len += abs($segment->{L});
993 die "unknown segment $segment->{T}";
996 o("% length $len bends @bends.\n");
998 foreach $crit (@al, 'short') {
999 if ($crit eq 'long') { $cs= $len; }
1000 elsif ($crit eq 'short') { $cs= -$len; }
1001 elsif ($crit =~ m/^(begin|end|)(left|right)$/) {
1002 if ($1 eq 'begin') { $cs= $bends[0]; }
1003 elsif ($1 eq 'end') { $cs= $bends[$#bends]; }
1004 else { $cs=0; map { $cs += $_ } @bends; }
1005 $cs= -$cs if $2 eq 'left';
1006 } elsif ($crit =~ m/^(\!?)(twoarcs|arcs?line|cross|loop)$/) {
1007 $cs= !!(grep { $2 eq $_ } @$skl) != ($1 eq '!');
1009 die "unknown sort criterion $crit";
1013 o("% scores @$scores\n");
1014 if (defined $bestpath) {
1015 for ($i=0,$cmp=0; !$cmp && $i<@$scores; $i++) {
1016 $cmp= $scores->[$i] <=> $bestscores->[$i];
1021 $bestscores= $scores;
1023 die "no solution" unless defined $bestpath;
1024 o("% chose path $bestpath @al\n");
1026 foreach $segment (@$bestpath) {
1027 if ($segment->{T} eq 'Arc') {
1028 arc({}, $segment->{C},$segment->{F},$segment->{R},$segment->{D});
1029 } elsif ($segment->{T} eq 'Line') {
1030 line($segment->{A}, $segment->{B}, $segment->{L});
1032 die "unknown segment";
1038 my ($from,$to,$len) = @_;
1039 parametric_segment(0.0, 1.0, abs($len) + 1e-6, undef, sub {
1040 ev_lincomb({}, $from, $to, $param);
1045 my ($from,$to,$radius,$len,$upto,$ctr,$beta,$ang,$how,$sign_r);
1046 $from= can(\&cva_idex);
1047 $to= can(\&cva_idnew);
1048 printf DEBUG "from $from->{X} $from->{Y} $from->{A}\n";
1049 $how= can(cvam_enum(qw(len upto ang uptoang parallel)));
1050 if ($how eq 'len') { $len= can(\&cva_len); }
1051 elsif ($how =~ m/ang$/) { $ang= can(\&cva_ang); }
1052 elsif ($how eq 'parallel' || $how eq 'upto') { $upto= can(\&cva_idex); }
1053 $radius= cano(\&cva_len, 'Inf'); # +ve is right hand bend
1054 if ($radius eq 'Inf') {
1055 # print DEBUG "extend inf $len\n";
1056 if ($how eq 'upto') {
1057 $len= ($upto->{X} - $from->{X}) * cos($from->{A})
1058 + ($upto->{Y} - $from->{Y}) * sin($from->{A});
1059 } elsif ($how eq 'len') {
1061 die "len of straight spec by angle";
1063 printf DEBUG "len $len\n";
1064 $to->{X}= $from->{X} + $len * cos($from->{A});
1065 $to->{Y}= $from->{Y} + $len * sin($from->{A});
1066 $to->{A}= $from->{A};
1067 line($from,$to,$len);
1069 my ($sign_r, $sign_ang, $ctr, $beta_interval, $beta, $delta);
1070 print DEBUG "radius >$radius<\n";
1071 $radius *= $ctx->{Trans}{R};
1072 $sign_r= signum($radius);
1074 $ctr->{X}= $from->{X} + $radius * sin($from->{A});
1075 $ctr->{Y}= $from->{Y} - $radius * cos($from->{A});
1076 if ($how eq 'upto') {
1077 $beta= atan2(-$sign_r * ($upto->{X} - $ctr->{X}),
1078 $sign_r * ($upto->{Y} - $ctr->{Y}));
1079 $beta_interval= 1.0;
1080 } elsif ($how eq 'parallel') {
1082 $beta_interval= 1.0;
1083 } elsif ($how eq 'uptoang') {
1084 $beta= input_absang($ang);
1085 $beta_interval= 2.0;
1086 } elsif ($how eq 'len') {
1087 $sign_ang= signum($len);
1088 $beta= $from->{A} - $sign_r * $len / abs($radius);
1089 $beta_interval= 2.0;
1091 $sign_ang= signum($ang);
1092 $beta= $from->{A} - $sign_r * $ang;
1093 $beta_interval= 2.0;
1095 printf DEBUG "ctr->{Y}=$ctr->{Y} radius=$radius beta=$beta\n";
1096 $beta += $sign_ang * $sign_r * 4.0 * $pi;
1098 $delta= $beta - $from->{A};
1099 last if $sign_ang * $sign_r * $delta <= 0;
1100 $beta -= $sign_ang * $sign_r * $beta_interval * $pi;
1102 printf DEBUG "ctr->{Y}=$ctr->{Y} radius=$radius beta=$beta\n";
1103 arc($to, ,$ctr,$from, $radius,$delta);
1105 printf DEBUG "to $to->{X} $to->{Y} $to->{A}\n";
1110 return "$loc->{X} $loc->{Y} ".ang2deg($loc->{A});
1113 return $_[0] * 180 / $pi;
1115 sub input_absang ($) {
1116 return $_[0] * $ctx->{Trans}{R} + $ctx->{Trans}{A};
1118 sub input_abscoords ($$) {
1120 ($in->{X}, $in->{Y}) = @_;
1122 $out= ev_compose({}, $ctx->{Trans}, $in);
1123 return ($out->{X}, $out->{Y});
1127 my ($ctx_save) = @_;
1129 Trans => { X => 0.0, Y => 0.0, A => 0.0, R => 1.0 },
1131 DrawMap => sub { $_[0]; },
1135 if (defined $ctx_save) {
1136 %{ $ctx->{Layer} }= %{ $ctx_save->{Layer} };
1137 $ctx->{Parent}= $ctx_save;
1144 sub cmd_defobj { cmd__defobj(0); }
1145 sub cmd_defpart { cmd__defobj(1); }
1146 sub cmd__defobj ($) {
1149 $id= can(\&cva_idstr);
1150 die "nested defobj" if $defobj_save;
1151 die "repeated defobj" if exists $objs{$id};
1153 $defobj_ispart= $ispart;
1154 newctx($defobj_save);
1155 $ctx->{CmdLog}= [ ];
1156 $ctx->{InDefObj}= $id;
1157 $ctx->{Draw}= $defobj_save->{Draw}.'X';
1158 $ctx->{DrawMap}= sub { ''; };
1159 $ctx->{Layer}= { Level => 5, Kind => '' };
1164 $id= $ctx->{InDefObj};
1165 die "unmatched enddef" unless defined $id;
1166 foreach $bit (qw(CmdLog Loc)) {
1167 $objs{$id}{$bit}= $ctx->{$bit};
1169 $objs{$id}{Part}= $defobj_ispart;
1171 $defobj_save= undef;
1172 $defobj_ispart= undef;
1175 sub cmd__runobj ($) {
1179 dv("cmd__runobj $obj_id ",'$ctx',$ctx);
1180 foreach $c (@{ $objs{$obj_id}{CmdLog} }) {
1182 next if $al[0] eq 'enddef';
1187 sub cva_subsegspec ($) {
1189 die "invalid subsegment spec" unless
1190 $sp =~ m,^(\-?)([0-9A-Za-z_]*)(?:/(?:([A-Za-z_]+)(\d+))?)?$,;
1191 my ($sign,$segname,$movfeat,$movconf)=($1,$2,$3,$4);
1193 if (!exists $ctx->{SegName}) {
1199 $ctx->{SegName} =~ m/^\-?/ or die;
1201 $segname= $'.$segname;
1203 for ($map_ctx= $ctx;
1205 $map_ctx= $map_ctx->{Parent}) {
1206 if (defined $movfeat &&
1207 exists $map_ctx->{SegMapNM}{"$segname/$movfeat"}) {
1208 $movfeat= $map_ctx->{SegMapNM}{"$segname/$movfeat"};
1210 if (exists $map_ctx->{SegMapN}{$segname}) {
1211 $map_ctx->{SegMapN}{$segname} =~ m/^\-?/ or die;
1219 return $sign.$segname.'/'.
1220 (defined $movfeat ? sprintf "%s%d", $movfeat, $movconf : '');
1225 $ctx->{SavedSegment}= pop @segments
1226 unless exists $ctx->{SavedSegment};
1229 $csss= can(\&cva_subsegspec);
1230 $length= can(\&cva_len);
1231 push @segments, $csss, $length;
1233 $csss= can(\&cva_subsegspec);
1234 push @segments, $csss;
1239 $sp =~ m,^\w+(?:/[a-zA-Z_]+)?$,
1240 or die "invalid (sub)segment mapping S \`$sp'";
1246 $sp =~ m,^\-?\w+$, or die "invalid segment mapping N' \`$sp'";
1252 $sp =~ m,^[a-zA-Z_]+$, or die "invalid segment mapping M' \`$sp'";
1259 $s= can(\&cva_segmap_s);
1261 $ctx->{SegMapNM}{$s}= can(\&cva_segmap_m);
1263 $ctx->{SegMapN}{$s}= can(\&cva_segmap_n);
1268 sub layer_draw ($$) {
1273 } elsif ($k eq 's') {
1275 } elsif ($k eq 'l') {
1280 foreach $eo (@eopts) {
1281 #print STDERR "$. layer $k$l eo $eo re $eo->{GlobRe} then $eo->{DrawMods} now $r\n";
1282 next unless $k =~ m/^$eo->{GlobRe}$/;
1283 #print STDERR "$. layer $k$l eo re $eo->{GlobRe} match\n";
1284 next unless &{ $eo->{LayerCheck} }($l);
1285 #print STDERR "$. layer $k$l eo re $eo->{GlobRe} checked\n";
1286 foreach $cc (split //, $eo->{DrawMods}) {
1288 $r .= $cc if $cc =~ m/[A-Z]/;
1291 #print STDERR "layer $k$l gives $r (before map)\n";
1292 $r= &{ $ctx->{DrawMap} }($r);
1298 $kl= can(\&cva_identity);
1299 $kl =~ m/^([A-Za-z_]*)(\d*|\=|\*)$/ or die "invalid layer spec";
1301 $l= $output_layer if $l eq '*';
1302 $l= $ctx->{Layer}{Level} if $l =~ m/^\=?$/;
1303 $ctx->{Layer}{Kind}= $k;
1304 $ctx->{Layer}{Level}= $l;
1305 $ctx->{Draw}= layer_draw($k,$l);
1308 sub cmd_part { cmd__obj(Part); }
1309 sub cmd_obj { cmd__obj(1); }
1310 sub cmd_objflip { cmd__obj(-1); }
1314 my ($obj_id, $ctx_save, $pfx, $actual, $formal_id, $formal, $formcv);
1315 my ($part_name, $ctx_inobj, $obj, $id, $newid, $newpt);
1317 $part_name= can(\&cva_idstr);
1318 $how= (@al && $al[0] =~ s/^\^//) ? -1 : +1;
1320 $obj_id= can(\&cva_idstr);
1321 if (defined $part_name) {
1322 $formal_id= can(\&cva_idstr);
1323 $actual= cano(\&cva_idex, undef);
1324 if (!defined $actual) {
1325 $actual= cva_idex("${part_name}_${formal_id}");
1328 $actual= can(\&cva_idex);
1329 $formal_id= can(\&cva_idstr);
1331 $obj= $objs{$obj_id};
1332 dv("cmd__obj ",'$obj',$obj);
1333 die "unknown obj $obj_id" unless $obj;
1334 $formal= $obj->{Loc}{$formal_id};
1335 die "unknown formal $formal_id" unless $formal;
1338 $how *= $ctx_save->{Trans}{R};
1339 $ctx->{Trans}{R}= $how;
1340 $ctx->{Trans}{A}= $actual->{A} - $formal->{A}/$how;
1341 $formcv= ev_compose({}, $ctx->{Trans},$formal);
1342 $ctx->{Trans}{X}= $actual->{X} - $formcv->{X};
1343 $ctx->{Trans}{Y}= $actual->{Y} - $formcv->{Y};
1344 if (defined $part_name) {
1345 $ctx->{InRunObj}= $ctx_save->{InRunObj}."${part_name}:";
1347 $ctx->{InRunObj}= $ctx_save->{InRunObj}."${obj_id}::";
1349 if ($segments[0] =~ m,(.*[^-]+)/,) {
1350 $ctx->{SegName}= $1;
1352 $ctx->{DrawMap}= sub {
1354 $i= &{ $ctx_save->{DrawMap} }($i);
1364 $ctx->{Draw}= &{ $ctx->{DrawMap} }($ctx_save->{Draw});
1365 cmd__runobj($obj_id);
1366 if (defined $part_name) {
1367 $pfx= $part_name.'_';
1369 if (@al && $al[0] eq '=') {
1370 $pfx= ''; shift @al;
1372 $pfx= cano(\&cva_idstr,undef);
1375 if (exists $ctx->{SavedSegment}) {
1376 @segments= ($ctx->{SavedSegment});
1381 foreach $id (keys %{ $ctx_inobj->{Loc} }) {
1382 next if $id eq $formal_id;
1384 next if exists $ctx_save->{Loc}{$newid};
1385 $newpt= cva_idnew($newid);
1386 %$newpt= %{ $ctx_inobj->{Loc}{$id} };
1389 if (defined $part_name) {
1390 my ($formalr_id, $actualr_id, $formalr, $actualr);
1392 die "part results come in pairs\n" unless @al>=2;
1393 ($formalr_id, $actualr_id, @al) = @al;
1394 if ($actualr_id =~ s/^\-//) {
1395 $formalr_id= "-$formalr_id";
1396 $formalr_id =~ s/^\-\-//;
1399 local ($ctx) = $ctx_inobj;
1400 $formalr= cva_idex($formalr_id);
1402 $actualr= cva_idnew($actualr_id);
1403 %$actualr= %$formalr;
1410 dv("cmd__do $ctx @al ",'$ctx',$ctx);
1411 $cmd= can(\&cva_cmd);
1412 my ($lm,$id,$loc,$io,$ad,$draw,$thendrawre);
1413 $io= defined $ctx->{InDefObj} ? "$ctx->{InDefObj}!" : $ctx->{InRunObj};
1414 o("%L cmd $io $cmd @al\n");
1415 $ctx->{LocsMade}= [ ];
1420 die "too many args" if @al;
1421 foreach $lm (@{ $ctx->{LocsMade} }) {
1423 $loc= $ctx->{Loc}{$id};
1424 $loc->{A} += $pi if $lm->{Neg};
1425 $ad= ang2deg($loc->{A});
1426 ol("%L point $io$id ".loc2dbg($loc)." ($lm->{Neg})\n");
1427 $draw= layer_draw($loc->{LayerKind}, $ctx->{Layer}{Level});
1428 if ($draw =~ m/[LM]/) {
1430 " $loc->{X} $loc->{Y} translate $ad rotate\n");
1431 if ($draw =~ m/M/) {
1432 ol(" 0 $allwidthmin newpath moveto\n".
1433 " 0 -$allwidthmin lineto\n".
1434 " $lmu_marklw setlinewidth stroke\n");
1436 if ($draw =~ m/L/) {
1437 ol(" /s ($id) def\n".
1439 " /sx5 s stringwidth pop\n".
1440 " 0.5 mul $lmu_txtboxpadx add def\n".
1441 " -90 rotate 0 $lmu_txtboxoff translate newpath\n".
1442 " sx5 neg 0 moveto\n".
1443 " sx5 neg $lmu_txtboxh lineto\n".
1444 " sx5 $lmu_txtboxh lineto\n".
1445 " sx5 0 lineto closepath\n".
1446 " gsave 1 setgray fill grestore\n".
1447 " $lmu_txtboxlw setlinewidth stroke\n".
1448 " sx5 neg $lmu_txtboxpadx add $lmu_txtboxtxty\n".
1449 " moveto s show\n");
1456 sub cmd_showlibrary {
1457 my ($obj_id, $y, $x, $ctx_save, $width, $height);
1458 my ($max_x, $min_x, $max_y, $min_y, $nxty, $obj, $loc, $pat, $got, $glob);
1460 $x=$olu_left; $y=$olu_bottom; undef $nxty;
1462 foreach $obj_id (sort keys %objs) {
1464 foreach $glob (@al) {
1466 $got= !($pat =~ s/^\!//);
1467 die "bad pat" if $pat =~ m/[^0-9a-zA-Z_*?]/;
1468 $pat =~ s/\*/\.*/g; $pat =~ s/\?/./g;
1469 last if $obj_id =~ m/^$pat$/;
1473 $obj= $objs{$obj_id};
1474 next unless $obj->{Part};
1475 ($min_x, $max_x, $min_y, $max_y) = bbox($obj->{Loc});
1479 $width= $max_x - $min_x;
1480 $height= $max_y - $min_y;
1481 if ($width < $height) {
1482 $ctx->{Trans}{A}= 0;
1483 $ctx->{Trans}{X}= $x - $min_x;
1484 $ctx->{Trans}{Y}= $y - $min_y + $olu_textheight;
1486 ($width,$height)=($height,$width);
1487 $ctx->{Trans}{A}= 0.5 * $pi;
1488 $ctx->{Trans}{X}= $x + $max_y;
1489 $ctx->{Trans}{Y}= $y - $min_x + $olu_textheight;
1491 $adj= length($obj_id) * $olu_textallowperc - $width;
1494 $ctx->{Trans}{X} += 0.5 * $adj;
1495 if ($x + $width > $olu_right && defined $nxty) {
1499 } elsif ($y + $height > $olu_top && $y > $olu_bottom) {
1501 $x= $olu_left; $y= $olu_bottom;
1508 $ctx->{InRunObj}= $ctx_save->{InRunObj}."${obj_id}//";
1509 $ctx->{Draw}= $ctx_save->{Draw};
1510 cmd__runobj($obj_id);
1512 " /s ($obj_id) def\n".
1514 ($x + 0.5*$width)." ".($y - $olu_textheight)." moveto\n".
1515 " s stringwidth pop -0.5 mul 0 rmoveto\n".
1516 " s show grestore\n");
1517 $x += $width + $olu_gap_x;
1518 upd_max(\$nxty, $y + $height + $olu_gap_y + $olu_textheight);
1529 " /lf /Courier-New findfont $lmu_marktpt scalefont def\n".
1530 " $ps_page_shift 0 translate 90 rotate\n");
1532 if ($page_x || $page_y) {
1533 o(" /Courier-New findfont 15 scalefont setfont\n".
1534 " 30 30 moveto (${page_x}x${page_y}) show\n");
1537 o(" -$ps_page_xmul $page_x mul -$ps_page_ymul $page_y mul translate\n".
1538 " $ptscale $ptscale scale\n");
1542 open DEBUG, ($debug ? ">&2" : ">/dev/null") or die $!;
1545 select(DEBUG); $|=1;
1546 select(STDOUT); $|=1;
1550 $ctx->{SegName}= '';
1557 chomp; s/^\s+//; s/\s+$//;
1558 @al= split /\s+/, $_;
1560 print DEBUG "=== @al\n";
1561 last if $al[0] eq 'eof';
1562 push @{ $ctx->{CmdLog} }, [ @al ] if exists $ctx->{CmdLog};
1567 my ($min_x, $max_x, $min_y, $max_y) = bbox($ctx->{Loc});
1569 if (defined $min_x) {
1570 $bboxstr= sprintf("width %.2d (%.2d..%2.d)\n".
1571 "height %.2d (%.2d..%2.d)\n",
1572 $max_x - $min_x, $min_x, $max_x,
1573 $max_y - $min_y, $min_y, $max_y);
1575 $bboxstr= "no locs, no bbox\n";
1577 if (!$quiet) { print STDERR $bboxstr; }
1578 $bboxstr =~ s/^/\%L bbox /mg;
1579 o($bboxstr) or die $!;
1582 my ($tick_x, $tick_y, $ticklen);
1584 printf(" gsave 0.5 setgray 0.33 setlinewidth\n".
1586 " newpath moveto\n".
1587 " -%d 0 rmoveto %d 0 rlineto\n".
1588 " -%d -%d rmoveto 0 %d rlineto stroke\n".
1590 $ticklen, $ticklen*2, $ticklen, $ticklen, $ticklen*2)
1592 for ($tick_x= $min_x; $tick_x < $max_x; $tick_x += 150) {
1593 for ($tick_y= $min_y; $tick_y < $max_y; $tick_y += 150) {
1594 printf(" %f %f regmark\n",
1599 printf(" grestore\n")