18 our $output_layer= '*';
20 our $subsegmovfeatpos='f';
21 our $subsegcmapangscale;
23 our $ps_page_shift= 615;
24 our $ps_page_xmul= 765.354;
25 our $ps_page_ymul= 538.583;
29 our @ident_strings= ();
32 our $drawers= 'arscldmnog';
33 our %chdraw_emap= qw(A ARScgd
49 while (@ARGV && $ARGV[0] =~ m/^\-/) {
50 last if $ARGV[0] eq '-';
55 if (s/^D(\d+)//) { $debug= $1; }
56 elsif (s/^D//) { $debug++; }
57 elsif (s/^q//) { $quiet=1; }
58 elsif (s/^l(\d+|\*)//) { $output_layer=$1; }
59 elsif (s/^S([0-9.]+)$//) { $scale= $1 * 1.0; }
60 elsif (s/^P(\d+)x(\d+)$//) { $page_x= $1; $page_y= $2; }
61 elsif (s/^GR//) { $subsegcmapreq=1; }
62 elsif (s/^GP(\d+|f)$//) { $subsegmovfeatpos=$1; }
63 elsif (s/^GL(.*)$//) {
65 my ($sscmf, $datum, $csss, $angbits);
67 $sscmf= new IO::File $sscmfn, 'r'
68 or die "$sscmfn: cannot open: $!\n";
70 $!=0; $_= <$sscmf>; die $! unless defined $_;
73 m,^C\s+(\w*/(?:[A-Za-z_]+)?)\s+(0x[0-9a-f]+)\s+(\d+)\s*$,
74 or die "$sscmfn:$.: syntax error in subseg cmap\n";
75 ($csss,$datum,$angbits)= ($1,$2,$3);
76 if (!defined $subsegcmapangscale) {
77 $subsegcmapangscale= 1<<$angbits;
79 die "angbits varies" if $subsegcmapangscale != 1<<$angbits;
83 die "sorry, cannot put any movfeatpos or segment in red";
85 $subsegcmap{$csss}= sprintf("%.6f %.6f",
86 (($datum >> 8) & 0xff)/255.0,
87 (($datum >> 16) & 0xff)/255.0);
89 $sscmf->error and die "$sscmfn: error reading: $!\n";
92 ((?:[a-z]|\*|\?|\[[a-z][-a-z]*\])*?)
93 (\~?) (\d*) (\=*|\-+|\++) (\d*|\*)
95 my ($ee,$g,$n,$d,$c,$v,$cc) = ($1,$2,$3,$4,$5,$6,$7);
96 my ($eo, $invert, $lfn, $ccc, $sense,$limit);
97 $g =~ s/\?/\./g; $g =~ s/\*/\.\*/g;
98 die '-[eE]GND[=]* not allowed' if $v eq '*' && length $d;
99 $d= $output_layer if !length $d;
102 $c= '=' if !length $c;
103 if (length $v && $v ne '*') {
104 die '-[eE]GN[D]CCV not allowed' if length $c > 1;
107 if ($c =~ m/^[-+]/) {
108 die '-[eE]GN+/-* not allowed' if $v eq '*';
109 $sense= ($&.'1') + 0;
110 $limit= ($sense * $d) + length($c) - 1;
112 ($output_layer eq '*' ? $d
113 : $_[0]) * $sense >= $limit
116 } elsif ($v eq '*') {
117 $lfn= sub { !$invert; };
119 $limit= length($c) - 1;
122 ($output_layer eq '*' ? 1
123 : abs($_[0] - $d) <= $limit)
127 #print STDERR "output layer $output_layer; asking re $_[0] rel $d lim $limit invert $invert result $lfn_result\n";
132 foreach $c (split //, $cc) {
134 die "bad -e option $c" unless defined $chdraw_emap{$c};
135 $ccc .= $chdraw_emap{$c};
137 die "bad -E option $c" unless $c =~ m/[$drawers]/i;
142 $eo->{LayerCheck}= $lfn;
143 $eo->{DrawMods}= $ccc;
144 #print STDERR "created eo $eo re $eo->{GlobRe} n=$n d=$d v=$v c=$c limit=$limit cc=$cc\n";
147 die "-S option must come right at the start and have numeric arg";
149 die "unknown option -$_";
154 our $ptscale= 72/25.4 / $scale;
157 our $psu_edgelw= 0.5;
158 our $psu_ticklw= 0.1;
159 our $psu_ticksperu= 1;
160 our $psu_ticklen= 5.0;
162 our $psu_sleeperlen= 17;
163 our $psu_sleeperlw= 15;
164 our $psu_raillw= 1.0;
165 our $psu_thinlw= 1.0;
167 $psu_subseglw{'e'}= 20.0;
168 $psu_subseglw{'m'}= 15.0;
171 our $lmu_marktpt= 11;
172 our $lmu_txtboxtxty= $lmu_marktpt * 0.300;
173 our $lmu_txtboxh= $lmu_marktpt * 1.100;
174 our $lmu_txtboxpadx= $lmu_marktpt * 0.335;
175 our $lmu_txtboxoff= $lmu_marklw / 2;
176 our $lmu_txtboxlw= 1;
177 our $lmu_lenlabeloffctr= -$lmu_marklw * 1.0;
178 our $lmu_lenlabeloff= $lmu_marklw * 0.5;
180 our $olu_left= 10 * $scale;
181 our $olu_right= 217 * $scale - $olu_left;
182 our $olu_bottom= 25 * $scale;
183 our $olu_top= 270 * $scale - $olu_bottom;
186 our $olu_textheight= 15;
187 our $olu_textallowperc= $lmu_marktpt * 5.0/11;
189 our $pi= atan2(0,-1);
193 return 27 unless defined $radius;
194 $radius= abs($radius);
195 return ($radius >= 450 ? 33 :
196 $radius >= 400 ? 35 :
199 sub allwidth ($) { return allwidth2($_[0]) * 0.5; }
201 our $allwidthmax= allwidth(0);
202 our $allwidthmin= allwidth(undef);
205 # $ctx->{CmdLog}= undef } not in defobj
206 # $ctx->{CmdLog}[]= [ command args ] } in defobj
207 # $ctx->{Parent}= $parent_ctx or undef
208 # $ctx->{LocsMade}[]{Id}= $id
209 # $ctx->{LocsMade}[]{Neg}= 1 or 0
210 # $ctx->{Loc}{$id}{X}
211 # $ctx->{Loc}{$id}{Y}
212 # $ctx->{Loc}{$id}{A}
213 # $ctx->{Loc}{$id}{LayerKind}
214 # $ctx->{Trans}{X} # transformation. is ev representing
215 # $ctx->{Trans}{Y} # new origin. (is applied at _input_
216 # $ctx->{Trans}{A} # not at plot-time)
217 # $ctx->{Trans}{R} # but multiply all y coords by this!
218 # $ctx->{Draw} # sequence of one or more chrs from uc $drawers
219 # # possibly including X meaning never draw
220 # # anything now (eg in defobj)
221 # $ctx->{DrawMap} # =$fn s.t.
222 # # &$fn($drawchrs_spec_by_layer_cmdline)
223 # # = $drawchrs_we_should_use_due_to_obj_etc
224 # $ctx->{SegName} # initial segment name (at start of object or file)
225 # # or nonexistent if in object in unknown segment
226 # # may have leading `-'
227 # $ctx->{SegMapN}{$s}= $o
228 # $ctx->{SegMapNM}{$s}= $o
229 # $ctx->{SavedSegment} # exists iff segment command used, is a $csss
230 # $ctx->{Layer}{Level}
231 # $ctx->{Layer}{Kind}
235 # $objs{$id}{Part} # 1 iff object is a part
237 # $eopts[]{GlobRe} # regexp for K
238 # $eopts[]{LayerCheck} # =$fn where &$fn($l) is true iff layer matches
239 # $eopts[]{DrawMods} # modifier chars for drawing
241 # @segments= ( $csss0, $dist0, $csss1, $dist1, ..., $csssn )
242 # # here each csss may have preceding `-'
244 # $subsegcmap{$csss} = "$green $blue"
245 # # $csss is canonical subseg spec; always has '/'
249 our @al; # current cmd
254 our $param; # for parametric_segment
258 # Operate on Enhanced Vectors which are a location (coordinates) and a
259 # direction at that location. Representation is a hash with members X
260 # Y and A (angle of the direction in radians, anticlockwise from
261 # East). May be absolute, or interpreted as relative, according to
264 # Each function's first argument is a hashref whose X Y A members will
265 # be created or overwritten; this hashref will be returned (so you can
266 # use it `functionally' by passing {}). The other arguments may be ev
267 # hashrefs, or other info. The results are in general undefined if
268 # one of the arguments is the same hash as the result.
270 sub ev_byang ($$;$) {
271 # ev_byang(R, ANG,[LEN])
272 # result is evec LEN (default=1.0) from origin pointing in direction ANG
273 my ($res,$ang,$len)=@_;
274 $len=1.0 unless defined $len;
275 $res->{X}= $len * cos($ang);
276 $res->{Y}= $len * sin($ang);
280 sub ev_compose ($$$) {
281 # ev_compose(SUM_R, A,B);
282 # appends B to A, result is end of new B
283 # (B's X is forwards from end of A, Y is translating left from end of A)
284 # A may have a member R, which if provided then it should be 1.0 or -1.0,
285 # and B's Y and A will be multiplied by R first (ie, we can reflect);
286 my ($sum,$a,$b) = @_;
288 $r= defined $a->{R} ? $a->{R} : 1.0;
289 $sum->{X}= $a->{X} + $b->{X} * cos($a->{A}) - $r * $b->{Y} * sin($a->{A});
290 $sum->{Y}= $a->{Y} + $r * $b->{Y} * cos($a->{A}) + $b->{X} * sin($a->{A});
291 $sum->{A}= $a->{A} + $r * $b->{A};
294 sub ev_decompose ($$$) {
295 # ev_decompose(B_R, A,SUM)
296 # computes B_R s.t. ev_compose({}, A, B_R) gives SUM
299 $r= defined $a->{R} ? $a->{R} : 1.0;
300 $brx= $sum->{X} - $a->{X};
301 $bry= $r * ($sum->{Y} - $a->{Y});
302 $b->{X}= $brx * cos($a->{A}) + $bry * sin($a->{A});
303 $b->{Y}= $bry * cos($a->{A}) - $brx * sin($a->{A});
304 $b->{A}= $r * ($sum->{A} - $a->{A});
307 sub ev_lincomb ($$$$) {
308 # ev_linkcomb(RES,A,B,P)
309 # gives P*A + (1-P)*B
310 my ($r,$a,$b,$p) = @_;
312 map { $r->{$_} = $q * $a->{$_} + $p * $b->{$_} } qw(X Y A);
315 sub a_normalise ($$) {
317 # adds or subtracts 2*$pi to/from A until it is in [ Z , Z+2*$pi >
320 $r= $z + fmod($a - $z, 2.0*$pi);
321 $r += 2*$pi if $r < $z;
324 sub ev_bearing ($$) {
326 # returns bearing of B from A
327 # value returned is in [ A->{A}, A->{A} + 2*$pi >
328 # A->{A} and B->{A} are otherwise ignored
331 $r= atan2($b->{Y} - $a->{Y},
333 $r= a_normalise($r,$a->{A});
337 sub v_rotateright ($) {
339 # returns image of A rotated 90 deg clockwise
341 return { X => $a->{Y}, Y => -$a->{X} };
343 sub v_dotproduct ($$) {
346 return $a->{X} * $b->{X} + $a->{Y} * $b->{Y};
348 sub v_scalarmult ($$) {
350 # multiplies V by scalar S and returns product
352 return { X => $s * $v->{X}, Y => $s * $v->{Y} };
356 # vector sum of all inputs
359 $r= { X => 0.0, Y => 0.0 };
360 foreach $i (@i) { $r->{X} += $i->{X}; $r->{Y} += $i->{Y}; }
363 sub v_subtract ($$) {
365 # returns vector from A to B, ie B - A
367 return { X => $b->{X} - $a->{X},
368 Y => $b->{Y} - $a->{Y} };
374 my ($x,$y) = ($v->{X}, $v->{Y});
375 return sqrt($x*$x + $y*$y);
379 # returns distance from A to B
380 return v_len(v_subtract($_[0],$_[1]));
385 $$limr= $now unless defined $$limr && $$limr <= $now;
389 $$limr= $now unless defined $$limr && $$limr >= $now;
393 my ($converter,$defaulter)=@_;
395 return &$defaulter unless @al;
397 $v= &$converter($spec);
398 dv('canf ','$spec',$spec, '$v',$v);
401 sub can ($) { my ($c)=@_; canf($c, sub { die "too few args"; }); }
402 sub cano ($$) { my ($c,$def)=@_; canf($c, sub { return $def }); }
404 sub signum ($) { return ($_[0] > 0) - ($_[0] < 0); }
408 my ($min_x, $max_x, $min_y, $max_y);
410 foreach $loc (values %$objhash) {
411 upd_min(\$min_x, $loc->{X} - abs($allwidthmax * sin($loc->{A})));
412 upd_max(\$max_x, $loc->{X} + abs($allwidthmax * sin($loc->{A})));
413 upd_min(\$min_y, $loc->{Y} - abs($allwidthmax * cos($loc->{A})));
414 upd_max(\$max_y, $loc->{Y} + abs($allwidthmax * cos($loc->{A})));
416 return ($min_x, $max_x, $min_y, $max_y);
419 our %units_len= qw(- mm mm 1 cm 10 m 1000);
420 our %units_ang= qw(- d r 1); $units_ang{'d'}= 2*$pi / 360;
422 sub cva_len ($) { my ($sp)=@_; cva_units($sp,\%units_len); }
423 sub cva_identity ($) { my ($sp)=@_; $sp; }
424 sub cva_ang ($) { my ($sp)=@_; cva_units($sp,\%units_ang); }
425 sub cva_absang ($) { input_absang(cva_ang($_[0])) }
429 $sp =~ m/^([-0-9eE.]*[0-9.])([A-Za-z]*)$/
430 or die "lexically invalid quantity";
432 $u=$ua->{'-'} unless length $u;
433 defined $ua->{$u} or die "unknown unit $u";
435 print DEBUG "cva_units($sp,)=$r ($n $u $ua->{$u})\n";
440 die "invalid id" unless $sp =~ m/^[a-z][_0-9A-Za-z]*$/;
445 my ($id,$r,$d,$k,$neg,$na,$obj_id,$vflip,$locs);
446 if ($sp =~ s/^(\^?)(\w+)\!//) {
449 die "invalid obj $obj_id in loc" unless exists $objs{$obj_id};
450 $locs= $objs{$obj_id}{Loc};
455 $neg= $sp =~ s/^\-//;
457 die "unknown $id" unless defined $locs->{$id};
460 foreach $k (sort keys %$r) { $d .= " $k=$r->{$k}"; }
461 printf DEBUG "%s\n", $d;
463 $r= { X => $r->{X}, Y => -$r->{Y}, A => -$r->{A} };
467 $na= a_normalise($na,0);
468 $r= { X => $r->{X}, Y => $r->{Y}, A => $na };
475 $neg = $sp =~ s/^\-//;
477 die "duplicate $id" if exists $ctx->{Loc}{$id};
478 $ctx->{Loc}{$id}{LayerKind}= $ctx->{Layer}{Kind};
479 push @{ $ctx->{LocsMade} }, {
483 return $ctx->{Loc}{$id};
485 sub cva_cmd ($) { return cva_idstr($_[0]); }
488 return $sp if grep { $_ eq $sp } @$el;
489 die "invalid option (permitted: @$el)";
491 sub cvam_enum { my (@e) = @_; return sub { cva__enum($_[0],\@e); }; }
495 $nl= can(\&cva_idnew);
496 $i->{X}= can(\&cva_len);
497 $i->{Y}= can(\&cva_len);
498 $i->{A}= can(\&cva_ang);
499 ev_compose($nl, $ctx->{Trans}, $i);
502 my ($from,$to,$len,$right,$turn);
503 $from= can(\&cva_idex);
504 $to= can(\&cva_idnew);
505 $len= cano(\&cva_len,0);
506 $right= cano(\&cva_len,0) * $ctx->{Trans}{R};
507 $turn= cano(\&cva_ang, 0) * $ctx->{Trans}{R};
508 my ($u)= ev_compose({}, $from, { X => $len, Y => -$right, A => 0 });
509 ev_compose($to, $u, { X => 0, Y => 0, A => $turn });
514 $pfx . ($pfx =~ m/\}$|\]$/ ? '' : '->');
518 return 'undef' if !defined $v;
519 return $v if $v !~ m/\W/ && $v =~ m/[A-Z]/ && $v =~ m/^[a-z_]/i;
520 return $v if $v =~ m/^[0-9.]+/;
521 $v =~ s/[\\\']/\\$&/g;
525 sub dv1_kind ($$$$$$$) {
526 my ($pfx,$expr,$ref,$ref_exp,$ixfmt,$ixesfn,$ixmapfn) = @_;
528 return 0 if $ref ne $ref_exp;
530 foreach $ix (&$ixesfn) {
532 my ($v)= &$ixmapfn($ix);
533 #print STDERR "dv1_kind($pfx,$expr,$ref,$ref_exp,$ixmapfn) ix=$ix v=$v\n";
534 dv1($pfx,$expr.sprintf($ixfmt,dv__evr($ix)),$v);
537 printf DEBUG "%s%s= $ixfmt\n", $pfx, $expr, ' ';
542 return 0 unless $debug;
543 my ($pfx,$expr,$v) = @_;
546 #print STDERR "dv1 >$pfx|$ref<\n";
548 printf DEBUG "%s%s= %s\n", $pfx,$expr, dv__evr($v);
550 } elsif ($ref eq 'SCALAR') {
551 dv1($pfx, ($expr =~ m/^\$/ ? "\$$expr" : '${'.$expr.'}'), $$v);
554 $expr.='->' unless $expr =~ m/\]$|\}$/;
555 return if dv1_kind($pfx,$expr,$ref,'ARRAY','[%s]',
556 sub { ($[ .. $#$v) },
557 sub { $v->[$_[0]] });
558 return if dv1_kind($pfx,$expr,$ref,'HASH','{%s}',
559 sub { sort keys %$v },
560 sub { $v->{$_[0]} });
561 printf DEBUG "%s%s is %s\n", $pfx, $expr, $ref;
573 sub o ($) { $o .= $_[0]; }
574 sub ol ($) { $ol .= $_[0]; }
576 return if $subsegcmapreq;
578 print $o, $ol, " showpage\n"
585 sub o_path_begin () {
587 $o_path_verb= 'moveto';
589 sub o_path_point ($) {
591 o(" $pt $o_path_verb\n");
592 $o_path_verb= 'lineto';
594 sub o_path_stroke ($) {
596 o(" $width setlinewidth stroke\n");
598 sub o_path_strokeonly () {
603 my ($a,$b,$width)=@_;
607 o_path_stroke($width);
610 sub current_draw () {
612 $r= $ctx->{Draw} =~ m/X/ ? '' : $ctx->{Draw};
616 sub psu_coords ($$$) {
617 my ($ends,$inunit,$across)=@_;
618 # $ends->[0]{X} etc.; $inunit 0 to 1 (but go to 1.5);
619 # $across in mm, +ve to right.
620 my (%ea_zo, $zo, $prop);
621 $ea_zo{X}=$ea_zo{Y}=0;
622 foreach $zo (qw(0 1)) {
623 $prop= $zo ? $inunit : (1.0 - $inunit);
624 $ea_zo{X} += $prop * ($ends->[$zo]{X} - $across * sin($ends->[0]{A}));
625 $ea_zo{Y} += $prop * ($ends->[$zo]{Y} + $across * cos($ends->[0]{A}));
627 # dv("psu_coords ", '$ends',$ends, '$inunit',$inunit, '$across',$across,
628 # '\\%ea_zo', \%ea_zo);
629 return $ea_zo{X}." ".$ea_zo{Y};
632 sub parametric__o_pt ($) {
634 o_path_point("$pt->{X} $pt->{Y}");
637 our $segused_incurrent;
638 our $segused_currentpt;
639 our $segmentpart_counter=0;
640 our $segused_restorecounter;
642 sub segment_used__print ($) {
644 if ($segused_incurrent > 0 && $segused_restorecounter==1) {
646 $segmentpart_counter++." ".
647 $ctx->{Layer}{Level}.$ctx->{Layer}{Kind}." ".
649 $segused_incurrent." ".
650 loc2dbg($segused_currentpt)." ".
653 $segused_incurrent= undef;
654 $segused_currentpt= undef;
657 sub segment_used__len ($$) {
659 $segused_incurrent++;
661 return if @segments < 3;
662 $segments[1] -= $used;
663 return if $segments[1] > 0;
665 segment_used__print($pt);
666 segment_used_begin($pt);
668 @segments= @segments[2..$#segments];
669 o("% segments @segments\n");
672 sub segment_state_save () {
673 return [ 0, $segused_incurrent, $segused_currentpt,
674 $segmentpart_counter, @segments ];
676 sub segment_state_restore ($) {
678 ($segused_restorecounter, $segused_incurrent, $segused_currentpt,
679 $segmentpart_counter, @segments) = @$r;
683 sub segment_used_begin ($) {
684 $segused_incurrent= 0;
685 $segused_currentpt= $_[0];
687 sub segment_used_middle ($$) {
689 segment_used__len($used,$pt);
691 sub segment_used_end ($$) {
693 segment_used__len($used,$pt);
694 segment_used__print($pt);
696 sub parametric_segment ($$$$$) {
697 my ($p0,$p1,$lenperp,$minradius,$calcfn) = @_;
698 # makes $param (global) go from $p0 to $p1 ($p1>$p0)
699 # $lenperp is the length of one unit p, ie the curve
700 # must have a uniform `density' in parameter space
701 # $calcfn is invoked with $param set and should return a loc
702 # (ie, ref to X =>, Y =>, A =>).
703 my ($pa,$pb,@ends,$side,$ppu,$e,$v,$tick,$draw,$allwidth);
704 return unless $ctx->{Draw} =~ m/[ARSCG]/;
705 $ppu= $psu_ulen/$lenperp;
706 $allwidth= allwidth($minradius);
707 my ($railctr)=($psu_gauge + $psu_raillw)*0.5;
708 my ($tickend)=($allwidth - $psu_ticklen);
709 my ($tickpitch)=($psu_ulen / $psu_ticksperu);
710 my ($sleeperctr)=($psu_ulen*0.5);
711 my ($sleeperend)=($psu_sleeperlen*0.5);
712 print DEBUG "ps $p0 $p1 $lenperp ($ppu)\n";
713 $draw= current_draw();
715 my ($pt,$going,$red,$csegbare,$movfeat,$movstroke);
716 my ($used_last,$me,$segsave);
717 $segsave= segment_state_save();
718 foreach $me (qw(e m)) {
719 segment_state_restore($segsave);
721 o("% segments @segments\n");
724 segment_used_begin($pt);
726 $movstroke= " cmapreq-stroke\n";
727 $csegbare= $segments[0];
728 $csegbare =~ s/^\-//;
729 if ($subsegcmapreq) {
730 if (!exists $subsegcmap{$csegbare}) {
731 print "$csegbare\n" or die $!;
732 $subsegcmap{$csegbare}++;
735 $movfeat= $csegbare =~ s,(/\D+)(\d+)$,$1, ? $2 : 'f';
736 die "unknown subsegment colour for $csegbare\n"
737 unless exists $subsegcmap{$csegbare};
738 $red= $pt->{A} / (2*$pi);
739 $red *= $subsegcmapangscale;
740 $red += $subsegcmapangscale*2;
741 $red += $subsegcmapangscale/2 if $segments[0] =~ m/^\-/;
742 $red %= $subsegcmapangscale;
743 $red += $subsegcmapangscale if $me eq 'e';
744 $red= sprintf("%f", $red / 255.0);
746 (" $red $subsegcmap{$csegbare} setrgbcolor\n".
747 " $psu_subseglw{$me} setlinewidth stroke\n");
748 if ($subsegmovfeatpos ne $movfeat ||
749 ($me eq 'e' && $csegbare =~ m,^/,)) {
750 $movstroke= "% no-stroke\n";
754 parametric__o_pt($pt);
759 segment_used_middle($psu_ulen,$pt);
760 parametric__o_pt($pt);
763 $used_last= $p1-($param-$ppu);
766 segment_used_end($used_last * $lenperp, $pt);
767 parametric__o_pt($pt);
773 o(" $psu_thinlw setlinewidth\n");
775 for ($param=$p0; $param<$p1; $param += $ppu) {
776 parametric__o_pt(&$calcfn);
779 parametric__o_pt(&$calcfn);
782 if ($draw =~ m/[ARS]/) { for ($pa= $p0; $pa<$p1; $pa=$pb) {
784 $param= $pa; $ends[0]= @ends ? $ends[1] : &$calcfn;
785 $param= $pb; $ends[1]= &$calcfn;
786 #print DEBUG "pa $pa $ends[0]{X} $ends[0]{Y} $ends[0]{A}\n";
787 #print DEBUG "pb $pb $ends[1]{X} $ends[1]{Y} $ends[1]{A}\n";
788 $e= $pb<=$p1 ? 1.0 : ($p1-$pa)/$ppu;
791 o_path_point(psu_coords(\@ends,0,-$allwidth));
792 o_path_point(psu_coords(\@ends,0,$allwidth));
793 o_path_point(psu_coords(\@ends,$e,$allwidth));
794 o_path_point(psu_coords(\@ends,$e,-$allwidth));
795 o(" closepath clip\n");
796 foreach $side qw(-1 1) {
798 o_line(psu_coords(\@ends,0,$side*$railctr),
799 psu_coords(\@ends,1.5,$side*$railctr),
804 o_line(psu_coords(\@ends,$sleeperctr,-$sleeperend),
805 psu_coords(\@ends,$sleeperctr,+$sleeperend),
810 foreach $side qw(-1 1) {
811 o_line(psu_coords(\@ends,0,$side*$allwidth),
812 psu_coords(\@ends,1.5,$side*$allwidth),
814 for ($tick=0; $tick<1.5; $tick+=$tickpitch/$psu_ulen) {
815 o_line(psu_coords(\@ends,$tick,$side*$allwidth),
816 psu_coords(\@ends,$tick,$side*$tickend),
824 my ($pt,$ad,$len,$off);
825 $param= ($p0+$p1)*0.5;
827 $ad= ang2deg($pt->{A});
828 $len= sprintf "%.0f", $lenperp * abs($p1-$p0);
829 $off= $draw =~ m/C/ ? $lmu_lenlabeloff : $lmu_lenlabeloffctr;
831 " $pt->{X} $pt->{Y} translate\n".
841 my ($to, $ctr,$from, $radius,$delta) = @_;
842 # does parametric_segment to draw an arc centred on $ctr
843 # ($ctr->{A} ignored)
844 # from $from with radius $radius (this must be consistent!)
845 # and directionally-subtending an angle $delta.
846 # sets $to->... to be the other end, and returns $to
848 $to->{A}= $beta= $from->{A} + $delta;
849 $to->{X}= $ctr->{X} - $radius * sin($beta);
850 $to->{Y}= $ctr->{Y} + $radius * cos($beta);
851 return if abs($delta*$radius) < 1e-9;
852 parametric_segment(0.0,1.0, abs($radius*$delta), $radius, sub {
853 my ($beta) = $from->{A} + $delta * $param;
854 return { X => $ctr->{X} - $radius * sin($beta),
855 Y => $ctr->{Y} + $radius * cos($beta),
860 # joins_xxx all take $results, $from, $to, $minradius
861 # where $results->[]{Path}{K} etc. and $results->[]{SolKinds}[]
863 sub joins_twoarcs ($$$$) {
864 my ($results, $from,$to,$minradius) = @_;
865 # two circular arcs of equal maximum possible radius
866 # algorithm courtesy of Simon Tatham (`Railway problem',
867 # pers.comm. to ijackson@chiark 23.1.2004)
868 my ($sigma,$distfact, $theta,$phi, $a,$b,$c,$d, $m,$r, $radius);
869 my ($cvec,$cfrom,$cto,$midpt, $delta1,$delta2, $path,$reverse);
870 $sigma= ev_bearing($from,$to);
871 $distfact= v_dist($from,$to);
872 $theta= 0.5 * $pi - ($from->{A} - $sigma);
873 $phi= 0.5 * $pi - ($to->{A} + $pi - $sigma);
874 $a= 2 * (1 + cos($theta - $phi));
875 $b= 2 * (cos($theta) - cos($phi));
877 $d= sqrt($b*$b - 4*$a*$c);
878 o("% twoarcs theta=".ang2deg($theta)." phi=".ang2deg($phi).
879 " ${a}r^2 + ${b}r + ${c} = 0\n");
880 foreach $m (qw(-1 1)) {
882 o("% twoarcs $m insoluble\n");
885 $r= -0.5 * (-$b + $m*$d) / $a;
886 $radius= -$r * $distfact;
887 o("% twoarcs $m radius $radius ");
888 if (abs($radius) < $minradius) { o("too-small\n"); next; }
889 $cfrom= ev_compose({}, $from, { X=>0, Y=>-$radius, A=>-0.5*$pi });
890 $cto= ev_compose({}, $to, { X=>0, Y=> $radius, A=> 0.5*$pi });
891 $midpt= ev_lincomb({}, $cfrom, $cto, 0.5);
892 $reverse= signum($r);
897 $delta1= ev_bearing($cfrom, $midpt) - $cfrom->{A};
898 $delta2= ev_bearing($cto, $midpt) - $cto->{A};
899 o("ok deltas ".ang2deg($delta1)." ".ang2deg($delta2)."\n");
905 $path= [{ T=>Arc, F=>$from, C=>$cfrom, R=> $radius, D=>$delta1 },
906 { T=>Arc, F=>$to, C=>$cto, R=>-$radius, D=>$delta2 }];
907 push @$results, { Path => $path,
908 SolKinds => [ 'twoarcs', 'cross' ] };
912 sub joins_arcsline ($$$$) {
913 my ($results, $from,$to,$minradius) = @_;
914 # two circular arcs of specified radius
915 # with an intervening straight
916 my ($lr,$inv, $c,$d,$alpha,$t,$k,$l,$rpmsina,$rcosa,$linelen, $path);
917 if ($minradius<=1e-6) { o("% arcsline no-radius\n"); return; }
918 foreach $lr (qw(-1 +1)) {
919 foreach $inv (qw(-1 +1)) {
920 $c=ev_compose({},$from,{X=>0,Y=>-$lr*$minradius, A=>0 });
921 $d=ev_compose({},$to,{X=>0, Y=>-$inv*$lr*$minradius, A=>$pi });
923 o("% arcsline $lr $inv t=$t ");
924 if ($t < 1e-6) { o("concentric"); next; }
925 $c->{A}= $d->{A}= ev_bearing($c,$d);
926 o("bearing ".ang2deg($c->{A}));
929 $k= ev_compose({}, $c, { X=>0, Y=>$lr*$minradius, A=>0 });
930 $l= ev_compose({}, $d, { X=>0, Y=>$lr*$minradius, A=>0 });
933 my ($cosalpha) = 2.0 * $minradius / $t;
934 if ($cosalpha > (1.0 - 1e-6)) { o(" too-close\n"); next; }
935 $alpha= acos($cosalpha);
936 $rpmsina= $lr * $minradius * sin($alpha);
937 $rcosa= $minradius * $cosalpha;
938 $k= ev_compose({}, $c, { X=>$rcosa, Y=>$rpmsina, A=>0 });
939 $l= ev_compose({}, $d, { X=>-$rcosa, Y=>-$rpmsina, A=>0 });
940 $k->{A}= $l->{A}= ev_bearing($k,$l);
941 o(" alpha=".ang2deg($alpha)." kl^=".ang2deg($k->{A})."\n");
942 $linelen= v_dist($k,$l);
944 $path= [{ T => Arc, F => $from, C => $c,
946 D => -$lr * a_normalise
947 ($lr * ($from->{A} - $k->{A}), 0) },
948 { T => Line, A => $k, B => $l, L => $linelen },
949 { T => Arc, F => $l, C => $d,
950 R => $inv*$lr*$minradius,
951 D => -$lr*$inv * a_normalise
952 (-$lr*$inv * ($to->{A} - $l->{A}), 0) }];
955 SolKinds => [ 'arcsline', ($inv<0 ? 'cross' : 'loop') ] };
960 sub joins_arcline ($$$$) {
961 my ($results, $from,$to,$minradius) = @_;
962 # one circular arc and a straight line
963 my ($swap,$echoice,$path, $ap,$bp,$av,$bv, $e,$f, $ae,$af,$afae);
964 my ($dak,$ak,$kj,$k,$j,$aja,$jl,$l,$jc,$lc,$c,$rj,$rb);
965 foreach $swap (qw(-1 +1)) {
966 foreach $echoice (qw(0 1)) {
967 $ap= $from; $bp= { %$to }; $bp->{A} += $pi;
968 ($ap,$bp)= ($bp,$ap) if $swap<0;
969 $av= ev_byang({}, $ap->{A});
970 $bv= ev_byang({}, $bp->{A});
971 $e= ev_byang({}, 0.5 * ($ap->{A} + $bp->{A} + $echoice * $pi));
972 $f= v_rotateright($e);
973 o("% arcline $swap $echoice e ".loc2dbg($e)."\n");
974 $ae= v_dotproduct($av,$e);
975 $af= v_dotproduct($av,$f);
976 o("% arcline $swap $echoice a.e=$ae a.f=$af ");
977 if (abs($ae) < 1e-6) { o(" singular\n"); next; }
979 o("a.f/a.e=$afae\n");
980 $dak= v_dotproduct(v_subtract($ap,$bp), $e);
981 $ak= v_scalarmult($dak, $e);
982 $kj= v_scalarmult($dak * $afae, $f);
985 $aja= v_dotproduct(v_subtract($ap,$j), $av);
986 o("% arcline $swap $echoice d_ak=$dak aj.a=$aja ");
987 if ($aja < 0) { o(" backwards aj\n"); next; }
988 $jl= v_scalarmult(0.5, v_subtract($j, $bp));
989 $lc= v_scalarmult(-v_dotproduct($jl, $f) * $afae, $e);
992 $rj= v_dotproduct(v_subtract($j,$c), v_rotateright($av));
993 $rb= v_dotproduct(v_subtract($c,$bp), v_rotateright($bv));
994 o("r_j=$rj r_b=$rb ");
995 if ($rj * $rb < 0) { o(" backwards b\n"); next; }
996 if (abs($rj) < $minradius) { o(" too-small\n"); next; }
1000 $path= [{ T => Line, A => $ap, B => $j, L => $aja },
1001 { T => Arc, F => $j, C => $c, R => $rj,
1002 D => -signum($rj) * a_normalise
1003 (-signum($rj) * ($bp->{A} + $pi - $j->{A}), 0) }];
1004 $path= [ reverse @$path ] if $swap<0;
1005 push @$results, { Path => $path, SolKinds => [ 'arcline' ] };
1011 my ($from,$to,$minradius);
1012 my (@results,$result);
1013 my ($path,$segment,$bestpath,$len,$scores,$bestscores,@bends,$skl);
1014 my ($crit,$cs,$i,$cmp);
1015 $from= can(\&cva_idex);
1016 $to= can(\&cva_idex);
1017 $minradius= can(\&cva_len);
1018 o("% join ".loc2dbg($from)."..".loc2dbg($to)." $minradius\n");
1019 joins_twoarcs(\@results, $from,$to,$minradius);
1020 joins_arcsline(\@results, $from,$to,$minradius);
1021 joins_arcline(\@results, $from,$to,$minradius);
1022 foreach $result (@results) {
1023 $path= $result->{Path};
1024 $skl= $result->{SolKinds};
1025 o("% possible path @$skl $path\n");
1028 foreach $segment (@$path) {
1029 if ($segment->{T} eq Arc) {
1030 o("% Arc C ".loc2dbg($segment->{C}).
1031 " R $segment->{R} D ".ang2deg($segment->{D})."\n");
1032 $len += abs($segment->{R} * $segment->{D});
1033 push @bends, -abs($segment->{R}) * $segment->{D}; # right +ve
1034 } elsif ($segment->{T} eq Line) {
1035 o("% Line A ".loc2dbg($segment->{A}).
1036 " B ".loc2dbg($segment->{A})." L $segment->{L}\n");
1037 $len += abs($segment->{L});
1039 die "unknown segment $segment->{T}";
1042 o("% length $len bends @bends.\n");
1044 foreach $crit (@al, 'short') {
1045 if ($crit eq 'long') { $cs= $len; }
1046 elsif ($crit eq 'short') { $cs= -$len; }
1047 elsif ($crit =~ m/^(begin|end|)(left|right)$/) {
1048 if ($1 eq 'begin') { $cs= $bends[0]; }
1049 elsif ($1 eq 'end') { $cs= $bends[$#bends]; }
1050 else { $cs=0; map { $cs += $_ } @bends; }
1051 $cs= -$cs if $2 eq 'left';
1052 } elsif ($crit =~ m/^(\!?)(twoarcs|arcs?line|cross|loop)$/) {
1053 $cs= !!(grep { $2 eq $_ } @$skl) != ($1 eq '!');
1055 die "unknown sort criterion $crit";
1059 o("% scores @$scores\n");
1060 if (defined $bestpath) {
1061 for ($i=0,$cmp=0; !$cmp && $i<@$scores; $i++) {
1062 $cmp= $scores->[$i] <=> $bestscores->[$i];
1067 $bestscores= $scores;
1069 die "no solution" unless defined $bestpath;
1070 o("% chose path $bestpath @al\n");
1072 foreach $segment (@$bestpath) {
1073 if ($segment->{T} eq 'Arc') {
1074 arc({}, $segment->{C},$segment->{F},$segment->{R},$segment->{D});
1075 } elsif ($segment->{T} eq 'Line') {
1076 line($segment->{A}, $segment->{B}, $segment->{L});
1078 die "unknown segment";
1084 my ($from,$to,$len) = @_;
1086 ($from,$to,$len) = ($to,$from,-$len);
1088 parametric_segment(0.0, 1.0, $len + 1e-6, undef, sub {
1089 ev_lincomb({}, $from, $to, $param);
1094 my ($from,$to,$radius,$len,$upto,$ctr,$beta,$ang,$how,$sign_r);
1095 $from= can(\&cva_idex);
1096 $to= can(\&cva_idnew);
1097 printf DEBUG "from $from->{X} $from->{Y} $from->{A}\n";
1098 $how= can(cvam_enum(qw(len upto ang uptoang parallel)));
1099 if ($how eq 'len') { $len= can(\&cva_len); }
1100 elsif ($how =~ m/ang$/) { $ang= can(\&cva_ang); }
1101 elsif ($how eq 'parallel' || $how eq 'upto') { $upto= can(\&cva_idex); }
1102 $radius= cano(\&cva_len, 'Inf'); # +ve is right hand bend
1103 if ($radius eq 'Inf') {
1104 # print DEBUG "extend inf $len\n";
1105 if ($how eq 'upto') {
1106 $len= ($upto->{X} - $from->{X}) * cos($from->{A})
1107 + ($upto->{Y} - $from->{Y}) * sin($from->{A});
1108 } elsif ($how eq 'len') {
1110 die "len of straight spec by angle";
1112 printf DEBUG "len $len\n";
1113 $to->{X}= $from->{X} + $len * cos($from->{A});
1114 $to->{Y}= $from->{Y} + $len * sin($from->{A});
1115 $to->{A}= $from->{A};
1116 line($from,$to,$len);
1118 my ($sign_r, $sign_ang, $ctr, $beta_interval, $beta, $delta);
1119 print DEBUG "radius >$radius<\n";
1120 $radius *= $ctx->{Trans}{R};
1121 $sign_r= signum($radius);
1123 $ctr->{X}= $from->{X} + $radius * sin($from->{A});
1124 $ctr->{Y}= $from->{Y} - $radius * cos($from->{A});
1125 if ($how eq 'upto') {
1126 $beta= atan2(-$sign_r * ($upto->{X} - $ctr->{X}),
1127 $sign_r * ($upto->{Y} - $ctr->{Y}));
1128 $beta_interval= 1.0;
1129 } elsif ($how eq 'parallel') {
1131 $beta_interval= 1.0;
1132 } elsif ($how eq 'uptoang') {
1133 $beta= input_absang($ang);
1134 $beta_interval= 2.0;
1135 } elsif ($how eq 'len') {
1136 $sign_ang= signum($len);
1137 $beta= $from->{A} - $sign_r * $len / abs($radius);
1138 $beta_interval= 2.0;
1140 $sign_ang= signum($ang);
1141 $beta= $from->{A} - $sign_r * $ang;
1142 $beta_interval= 2.0;
1144 printf DEBUG "ctr->{Y}=$ctr->{Y} radius=$radius beta=$beta\n";
1145 $beta += $sign_ang * $sign_r * 4.0 * $pi;
1147 $delta= $beta - $from->{A};
1148 last if $sign_ang * $sign_r * $delta <= 0;
1149 $beta -= $sign_ang * $sign_r * $beta_interval * $pi;
1151 printf DEBUG "ctr->{Y}=$ctr->{Y} radius=$radius beta=$beta\n";
1152 arc($to, ,$ctr,$from, $radius,$delta);
1154 printf DEBUG "to $to->{X} $to->{Y} $to->{A}\n";
1159 return "$loc->{X} $loc->{Y} ".ang2deg($loc->{A});
1162 return $_[0] * 180 / $pi;
1164 sub input_absang ($) {
1165 return $_[0] * $ctx->{Trans}{R} + $ctx->{Trans}{A};
1167 sub input_abscoords ($$) {
1169 ($in->{X}, $in->{Y}) = @_;
1171 $out= ev_compose({}, $ctx->{Trans}, $in);
1172 return ($out->{X}, $out->{Y});
1176 my ($ctx_save) = @_;
1178 Trans => { X => 0.0, Y => 0.0, A => 0.0, R => 1.0 },
1180 DrawMap => sub { $_[0]; },
1184 if (defined $ctx_save) {
1185 %{ $ctx->{Layer} }= %{ $ctx_save->{Layer} };
1186 $ctx->{Parent}= $ctx_save;
1193 sub cmd_defobj { cmd__defobj(0); }
1194 sub cmd_defpart { cmd__defobj(1); }
1195 sub cmd__defobj ($) {
1198 $id= can(\&cva_idstr);
1199 die "nested defobj" if $defobj_save;
1200 die "repeated defobj" if exists $objs{$id};
1202 $defobj_ispart= $ispart;
1203 newctx($defobj_save);
1204 $ctx->{CmdLog}= [ ];
1205 $ctx->{InDefObj}= $id;
1206 $ctx->{Draw}= $defobj_save->{Draw}.'X';
1207 $ctx->{DrawMap}= sub { ''; };
1208 $ctx->{Layer}= { Level => 5, Kind => '' };
1213 $id= $ctx->{InDefObj};
1214 die "unmatched enddef" unless defined $id;
1215 foreach $bit (qw(CmdLog Loc)) {
1216 $objs{$id}{$bit}= $ctx->{$bit};
1218 $objs{$id}{Part}= $defobj_ispart;
1220 $defobj_save= undef;
1221 $defobj_ispart= undef;
1224 sub cmd__runobj ($) {
1228 dv("cmd__runobj $obj_id ",'$ctx',$ctx);
1229 foreach $c (@{ $objs{$obj_id}{CmdLog} }) {
1231 next if $al[0] eq 'enddef';
1236 sub cva_subsegspec ($) {
1238 die "invalid subsegment spec" unless
1239 $sp =~ m,^(\-?)([0-9A-Za-z_]*)(?:/(?:([A-Za-z_]+)(\d+))?)?$,;
1240 my ($sign,$segname,$movfeat,$movconf)=($1,$2,$3,$4);
1242 if (!exists $ctx->{SegName}) {
1248 $ctx->{SegName} =~ m/^\-?/ or die;
1250 $segname= $'.$segname;
1252 for ($map_ctx= $ctx;
1254 $map_ctx= $map_ctx->{Parent}) {
1255 if (defined $movfeat &&
1256 exists $map_ctx->{SegMapNM}{"$segname/$movfeat"}) {
1257 $movfeat= $map_ctx->{SegMapNM}{"$segname/$movfeat"};
1259 if (exists $map_ctx->{SegMapN}{$segname}) {
1260 $map_ctx->{SegMapN}{$segname} =~ m/^\-?/ or die;
1268 return $sign.$segname.'/'.
1269 (defined $movfeat ? sprintf "%s%d", $movfeat, $movconf : '');
1274 $ctx->{SavedSegment}= pop @segments
1275 unless exists $ctx->{SavedSegment};
1278 $csss= can(\&cva_subsegspec);
1279 $length= can(\&cva_len);
1280 push @segments, $csss, $length;
1282 $csss= can(\&cva_subsegspec);
1283 push @segments, $csss;
1288 $sp =~ m,^\w+(?:/[a-zA-Z_]+)?$,
1289 or die "invalid (sub)segment mapping S \`$sp'";
1295 $sp =~ m,^\-?\w+$, or die "invalid segment mapping N' \`$sp'";
1301 $sp =~ m,^[a-zA-Z_]+$, or die "invalid segment mapping M' \`$sp'";
1308 $s= can(\&cva_segmap_s);
1310 $ctx->{SegMapNM}{$s}= can(\&cva_segmap_m);
1312 $ctx->{SegMapN}{$s}= can(\&cva_segmap_n);
1317 sub layer_draw ($$) {
1322 } elsif ($k eq 's') {
1324 } elsif ($k eq 'l') {
1329 foreach $eo (@eopts) {
1330 #print STDERR "$. layer $k$l eo $eo re $eo->{GlobRe} then $eo->{DrawMods} now $r\n";
1331 next unless $k =~ m/^$eo->{GlobRe}$/;
1332 #print STDERR "$. layer $k$l eo re $eo->{GlobRe} match\n";
1333 next unless &{ $eo->{LayerCheck} }($l);
1334 #print STDERR "$. layer $k$l eo re $eo->{GlobRe} checked\n";
1335 foreach $cc (split //, $eo->{DrawMods}) {
1337 $r .= $cc if $cc =~ m/[A-Z]/;
1340 #print STDERR "layer $k$l gives $r (before map)\n";
1341 $r= &{ $ctx->{DrawMap} }($r);
1347 $kl= can(\&cva_identity);
1348 $kl =~ m/^([A-Za-z_]*)(\d*|\=|\*)$/ or die "invalid layer spec";
1350 $l= $output_layer if $l eq '*';
1351 $l= $ctx->{Layer}{Level} if $l =~ m/^\=?$/;
1352 $ctx->{Layer}{Kind}= $k;
1353 $ctx->{Layer}{Level}= $l;
1354 $ctx->{Draw}= layer_draw($k,$l);
1357 sub cmd_part { cmd__obj(Part); }
1358 sub cmd_obj { cmd__obj(1); }
1359 sub cmd_objflip { cmd__obj(-1); }
1363 my ($obj_id, $ctx_save, $pfx, $actual, $formal_id, $formal, $formcv);
1364 my ($part_name, $ctx_inobj, $obj, $id, $newid, $newpt);
1366 $part_name= can(\&cva_idstr);
1367 $how= (@al && $al[0] =~ s/^\^//) ? -1 : +1;
1369 $obj_id= can(\&cva_idstr);
1370 if (defined $part_name) {
1371 $formal_id= can(\&cva_idstr);
1372 $actual= cano(\&cva_idex, undef);
1373 if (!defined $actual) {
1374 $actual= cva_idex("${part_name}_${formal_id}");
1377 $actual= can(\&cva_idex);
1378 $formal_id= can(\&cva_idstr);
1380 $obj= $objs{$obj_id};
1381 dv("cmd__obj ",'$obj',$obj);
1382 die "unknown obj $obj_id" unless $obj;
1383 $formal= $obj->{Loc}{$formal_id};
1384 die "unknown formal $formal_id" unless $formal;
1387 $how *= $ctx_save->{Trans}{R};
1388 $ctx->{Trans}{R}= $how;
1389 $ctx->{Trans}{A}= $actual->{A} - $formal->{A}/$how;
1390 $formcv= ev_compose({}, $ctx->{Trans},$formal);
1391 $ctx->{Trans}{X}= $actual->{X} - $formcv->{X};
1392 $ctx->{Trans}{Y}= $actual->{Y} - $formcv->{Y};
1393 if (defined $part_name) {
1394 $ctx->{InRunObj}= $ctx_save->{InRunObj}."${part_name}:";
1396 $ctx->{InRunObj}= $ctx_save->{InRunObj}."${obj_id}::";
1398 if ($segments[0] =~ m,(.*[^-]+)/,) {
1399 $ctx->{SegName}= $1;
1401 $ctx->{DrawMap}= sub {
1403 $i= &{ $ctx_save->{DrawMap} }($i);
1413 $ctx->{Draw}= &{ $ctx->{DrawMap} }($ctx_save->{Draw});
1414 cmd__runobj($obj_id);
1415 if (defined $part_name) {
1416 $pfx= $part_name.'_';
1418 if (@al && $al[0] eq '=') {
1419 $pfx= ''; shift @al;
1421 $pfx= cano(\&cva_idstr,undef);
1424 if (exists $ctx->{SavedSegment}) {
1425 @segments= ($ctx->{SavedSegment});
1430 foreach $id (keys %{ $ctx_inobj->{Loc} }) {
1431 next if $id eq $formal_id;
1433 next if exists $ctx_save->{Loc}{$newid};
1434 $newpt= cva_idnew($newid);
1435 %$newpt= %{ $ctx_inobj->{Loc}{$id} };
1438 if (defined $part_name) {
1439 my ($formalr_id, $actualr_id, $formalr, $actualr);
1441 die "part results come in pairs\n" unless @al>=2;
1442 ($formalr_id, $actualr_id, @al) = @al;
1443 if ($actualr_id =~ s/^\-//) {
1444 $formalr_id= "-$formalr_id";
1445 $formalr_id =~ s/^\-\-//;
1448 local ($ctx) = $ctx_inobj;
1449 $formalr= cva_idex($formalr_id);
1451 $actualr= cva_idnew($actualr_id);
1452 %$actualr= %$formalr;
1459 dv("cmd__do $ctx @al ",'$ctx',$ctx);
1460 $cmd= can(\&cva_cmd);
1461 my ($lm,$id,$loc,$io,$ad,$draw,$thendrawre);
1462 $io= defined $ctx->{InDefObj} ? "$ctx->{InDefObj}!" : $ctx->{InRunObj};
1463 o("%L cmd $io $cmd @al\n");
1464 $ctx->{LocsMade}= [ ];
1469 die "too many args" if @al;
1470 foreach $lm (@{ $ctx->{LocsMade} }) {
1472 $loc= $ctx->{Loc}{$id};
1473 $loc->{A} += $pi if $lm->{Neg};
1474 $ad= ang2deg($loc->{A});
1475 ol("%L point $io$id ".loc2dbg($loc)." ($lm->{Neg})\n");
1476 $draw= layer_draw($loc->{LayerKind}, $ctx->{Layer}{Level});
1477 if ($draw =~ m/[LM]/) {
1479 " $loc->{X} $loc->{Y} translate $ad rotate\n");
1480 if ($draw =~ m/M/) {
1481 ol(" 0 $allwidthmin newpath moveto\n".
1482 " 0 -$allwidthmin lineto\n".
1483 " $lmu_marklw setlinewidth stroke\n");
1485 if ($draw =~ m/L/) {
1486 ol(" /s ($id) def\n".
1488 " /sx5 s stringwidth pop\n".
1489 " 0.5 mul $lmu_txtboxpadx add def\n".
1490 " -90 rotate 0 $lmu_txtboxoff translate newpath\n".
1491 " sx5 neg 0 moveto\n".
1492 " sx5 neg $lmu_txtboxh lineto\n".
1493 " sx5 $lmu_txtboxh lineto\n".
1494 " sx5 0 lineto closepath\n".
1495 " gsave 1 setgray fill grestore\n".
1496 " $lmu_txtboxlw setlinewidth stroke\n".
1497 " sx5 neg $lmu_txtboxpadx add $lmu_txtboxtxty\n".
1498 " moveto s show\n");
1506 my ($vs, @lt, $inf, $strft);
1508 $vs= $1 if $vs =~ m/^\$Revision\: ([0-9.]+)\ \$$/;
1509 if (!defined $file_filename) {
1510 $inf= "$vs (unknown file: $file_lineno)";
1511 } elsif (!stat $file_filename ||
1512 !(@lt= localtime((stat _)[9]))) {
1513 $inf= "$file_filename ($1 $!)";
1515 $strft= strftime "%Y-%m-%d %H:%M:%S +%Z", @lt;
1516 $inf= "$file_filename ($1 $strft)";
1518 push @ident_strings, $inf;
1522 sub cmd_showlibrary {
1523 my ($obj_id, $y, $x, $ctx_save, $width, $height);
1524 my ($max_x, $min_x, $max_y, $min_y, $nxty, $obj, $loc, $pat, $got, $glob);
1526 $x=$olu_left; $y=$olu_bottom; undef $nxty;
1528 foreach $obj_id (sort keys %objs) {
1530 foreach $glob (@al) {
1532 $got= !($pat =~ s/^\!//);
1533 die "bad pat" if $pat =~ m/[^0-9a-zA-Z_*?]/;
1534 $pat =~ s/\*/\.*/g; $pat =~ s/\?/./g;
1535 last if $obj_id =~ m/^$pat$/;
1539 $obj= $objs{$obj_id};
1540 next unless $obj->{Part};
1541 ($min_x, $max_x, $min_y, $max_y) = bbox($obj->{Loc});
1545 $width= $max_x - $min_x;
1546 $height= $max_y - $min_y;
1547 if ($width < $height) {
1548 $ctx->{Trans}{A}= 0;
1549 $ctx->{Trans}{X}= $x - $min_x;
1550 $ctx->{Trans}{Y}= $y - $min_y + $olu_textheight;
1552 ($width,$height)=($height,$width);
1553 $ctx->{Trans}{A}= 0.5 * $pi;
1554 $ctx->{Trans}{X}= $x + $max_y;
1555 $ctx->{Trans}{Y}= $y - $min_x + $olu_textheight;
1557 $adj= length($obj_id) * $olu_textallowperc - $width;
1560 $ctx->{Trans}{X} += 0.5 * $adj;
1561 if ($x + $width > $olu_right && defined $nxty) {
1565 } elsif ($y + $height > $olu_top && $y > $olu_bottom) {
1567 $x= $olu_left; $y= $olu_bottom;
1574 $ctx->{InRunObj}= $ctx_save->{InRunObj}."${obj_id}//";
1575 $ctx->{Draw}= $ctx_save->{Draw};
1576 cmd__runobj($obj_id);
1578 " /s ($obj_id) def\n".
1580 ($x + 0.5*$width)." ".($y - $olu_textheight)." moveto\n".
1581 " s stringwidth pop -0.5 mul 0 rmoveto\n".
1582 " s show grestore\n");
1583 $x += $width + $olu_gap_x;
1584 upd_max(\$nxty, $y + $height + $olu_gap_y + $olu_textheight);
1594 print "%!\n" or die $!;
1596 o(" /lf /Courier-New findfont $lmu_marktpt scalefont def\n".
1597 " $ps_page_shift 0 translate 90 rotate\n".
1600 if ($page_x || $page_y) {
1601 o(" /Courier-New findfont 15 scalefont setfont\n".
1602 " 30 30 moveto (${page_x}x${page_y}) show\n");
1605 o(" -$ps_page_xmul $page_x mul -$ps_page_ymul $page_y mul translate\n".
1606 " $ptscale $ptscale scale\n");
1610 open DEBUG, ($debug ? ">&2" : ">/dev/null") or die $!;
1613 select(DEBUG); $|=1;
1614 select(STDOUT); $|=1;
1618 $ctx->{SegName}= '';
1625 if (m/^\#line (\d+)$/) { $file_lineno= $1; next; }
1626 if (m/^\#line (\d+) (.*)$/) {
1629 $file_filename =~ s/^\"(.*)\"$/$1/;
1633 chomp; s/^\s+//; s/\s+$//;
1634 @al= split /\s+/, $_;
1636 print DEBUG "=== @al\n";
1637 last if $al[0] eq 'eof';
1638 push @{ $ctx->{CmdLog} }, [ @al ] if exists $ctx->{CmdLog};
1643 my ($min_x, $max_x, $min_y, $max_y) = bbox($ctx->{Loc});
1645 if (defined $min_x) {
1646 $bboxstr= sprintf("width %.2d (%.2d..%2.d)\n".
1647 "height %.2d (%.2d..%2.d)\n",
1648 $max_x - $min_x, $min_x, $max_x,
1649 $max_y - $min_y, $min_y, $max_y);
1651 $bboxstr= "no locs, no bbox\n";
1653 if (!$quiet) { print STDERR $bboxstr; }
1654 $bboxstr =~ s/^/\%L bbox /mg;
1655 o($bboxstr) or die $!;
1658 my ($tick_x, $tick_y, $ticklen);
1660 printf(" gsave 0.5 setgray 0.33 setlinewidth\n".
1662 " newpath moveto\n".
1663 " -%d 0 rmoveto %d 0 rlineto\n".
1664 " -%d -%d rmoveto 0 %d rlineto stroke\n".
1666 $ticklen, $ticklen*2, $ticklen, $ticklen, $ticklen*2)
1668 for ($tick_x= $min_x; $tick_x < $max_x; $tick_x += 150) {
1669 for ($tick_y= $min_y; $tick_y < $max_y; $tick_y += 150) {
1670 printf(" %f %f regmark\n",
1675 printf(" grestore\n")
1682 if (@ident_strings) {
1684 $is= join('; ', @ident_strings);
1685 $is =~ s/[()\\]/\\$&/g;
1687 "/Courier-New findfont 6 scalefont setfont\n".