3 our $us = $0; $us =~ s#.*/##;
8 our @paperpts = ('creditcard');
10 our $fontname_num = 'Helvetica';
11 our $fontscale_num = 0.8;
12 our $fontname = 'Helvetica';
15 our $blankratio = 1.0;
19 our @lp_options = ( [ 'blank-below', 'blank-to-right', ],
20 [ 'landscape', 'portrait' ],
21 [ 'single-column', 'multi-column', ] );
25 usage: $us [<options>] <foo-mail-pregen>...
28 $us -T2 evade-mail-pregen range 12+12 >page.ps
29 ssh chiark $us slimy-rot13-mail-pregen range 24+12 |gv -
30 ssh chiark $us slimy-rot13-mail-pregen -q range 36+12 |lpr
33 -p<papersize> for libpaper, or "creditcard", default is $paperpts[0]
34 -P<actual-papersize> centre in this; default is not to center
35 -f<bothfont> set both to same font name
36 -f[<numfont>[*<scale>]],[<addrfont>] default is $fontname_num*$fontscale_num,$fontname
37 -b<border>|-b<bx>x<by> all in mm
38 -T[<xtiles>x]<ytiles> default is $tiles[0]x$tiles[1]
39 -g<gapratio> number-to-addr gap adjustment, default $gapratio
40 -l<lineratio> inter-line space ("leading") adjustment, def. $lineratio
41 -B<blankratio> (blank space size) / (text size), default $blankratio
45 foreach my $spec (@lp_options) { $usage .= <<END foreach @$spec; }
49 open DEBUG, ">/dev/null" or die $!;
51 sub badusage () { die "bad usage\n\n$usage"; }
53 sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
58 $r = $_ if !defined $r or $_ > $r;
66 $r = $_ if !defined $r or $_ < $r;
71 my $fontname_re = '[^()\\,]+';
72 my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
76 badusage unless @ARGV;
77 last unless $ARGV[0] =~ m/^-/;
83 } elsif (s/^-P(\w+)$//) {
85 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
86 @paperpts = mm2pt($1,$2);
87 } elsif (s/^-P($dbl_re)x($dbl_re)$//o) {
88 @bigpaperpts = mm2pt($1,$2);
89 } elsif (s/^-f($fontname_re)$//o) {
90 $fontname = $fontname_num = $1;
91 } elsif (s/^-f(?:($fontname_re)(?:\*($dbl_re))?)?,($fontname_re)?$//o) {
94 $fontscale_num = defined($2) ? $2 : 1.0;
99 } elsif (s/^-b($dbl_re)$//o) {
101 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
103 } elsif (s/^-l($dbl_re)$//o) {
105 } elsif (s/^-g($dbl_re)$//o) {
107 } elsif (s/^-B($dbl_re)$//o) {
109 } elsif (s/^-T(?:(\d+)x)?(\d+)$//o) {
113 open DEBUG, ">&STDERR" or die $!;
115 if (m/^--([-a-z]+)$/) {
117 grep { $1 eq $_ } @{ $lp_options[$_] }
120 $lp_fixed[$lpi] = $1;
133 return unless @$pts==1;
136 if ($name eq 'creditcard') {
137 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
138 @$pts = mm2pt qw(85.60 53.98);
140 $!=0; $?=0; my $r = `paperconf -sp $name`;
141 defined $r or die "paperconf failed: $? $!\n";
142 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
147 canonpaper(\@paperpts);
148 canonpaper(\@bigpaperpts);
150 @borders = mm2pt @borders;
152 @ARGV >= 2 or badusage;
161 open P, "-|", @ARGV or die $!;
164 m/^(\d+) (\S+)$/ or die "$_ ?";
165 $nlen = length($1) if length($1) > $nlen;
166 push @strings, [ $1, $2 ];
168 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
170 @strings or die "$us: nothing to show\n";
172 if ($strings[0][1] =~ m/$dom_re/o) {
174 if (!grep { $_->[1] !~ m/$dom_re/o && $& eq $dom } @strings) {
175 $domain_suffix = $dom;
176 $_->[1] =~ s/$dom_re//o foreach @strings;
180 $pertile = ceil(@strings / ($tiles[0] * $tiles[1]));
196 print DEBUG " NO @_\n";
211 sub prepare_metrics () {
212 print DEBUG " prepare_metrics\n";
213 my $pchild = open GI, "-|"; defined $pchild or die $!;
215 ([ \@numbers_1_metr, $fontname_num, map { $_->[0] } @strings ],
216 [ \@nom_gap_1_metr, $fontname_num, ' ' ],
217 [ \@texts_1_metr, $fontname, map { $_->[1] } @strings ],
219 if (defined $domain_suffix) {
220 push @sets, [ \@domain_1_metr, $fontname, $domain_suffix ];
223 foreach my $set (@sets) {
224 my ($ra, $fn, @s) = @$set;
225 print DEBUG " want $fn ",scalar(@s),"\n";
226 printf <<END, psstring($fn) or die $!;
227 %s findfont 10 scalefont setfont
229 printf <<END, psstring($_) or die $! foreach @s;
233 dup stringwidth pop =
234 true charpath pathbbox = = = =
237 close STDOUT or die $!;
240 my $gchild = open GO, "-|"; defined $gchild or die $!;
242 open STDIN, "<&GI" or die $!;
243 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH
244 -sDEVICE=pswrite -sOutputFile=/dev/null
247 or die "$us: exec gs: $!\n";
249 foreach my $set (@sets) {
250 my ($ra, $fn, @s) = @$set;
252 for (my $count=0; $count < @s; $count++) {
254 foreach my $ix (0..4) {
255 $_ = <GO>; defined or die "gs fail or eof";
256 printf DEBUG " %s (%d,$ix) |%s", $fn, $count, $_;
258 m/^-?$dbl_re$/o or die "gs $_ ?";
261 print DEBUG " metrics $fn [$count]: @tbb\n";
262 $bb[0] = min $bb[0], $tbb[4];
263 $bb[1] = min $bb[1], $tbb[3];
264 $bb[2] = max $bb[2], $tbb[2];
265 $bb[3] = max $bb[3], $tbb[1];
266 $bb[4] = max $bb[4], $tbb[0];
268 print DEBUG " metrics $fn: @bb\n";
269 @$ra = map { $_ * 0.1 } @bb;
271 $!=0; $?=0; close GO or die "gs $! $?";
272 $!=0; $?=0; close GI or die "gs paste $! $?";
275 sub do_layout_recursive_search ($);
276 sub do_layout_recursive_search ($) {
279 if ($lpi < @lp_options) {
280 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
281 $lp_values[$lpi] = $v;
282 my $r = do_layout_recursive_search $lpi+1;
288 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
291 $lp_y{$_} = 1 foreach @lp_values;
293 $lp_y{rotate_paper} =
294 ($paperpts[0] > $paperpts[1] # paper looks like landscape
295 xor $lp_y{'landscape'});
296 $eff_paper_size[$_] = $paperpts[$_] - 2.0*$borders[$_] foreach qw(0 1);
297 @eff_paper_size = reverse @eff_paper_size if $lp_y{rotate_paper};
299 $eff_paper_size[0] >= $domain_metr[4]
300 or return wontfit "domain suffix too long";
302 @item_size = @core_size;
303 my $blank_coord = !!$lp_y{'blank-below'};
304 $item_size[$blank_coord] *= (1.0 + $blankratio);
306 foreach my $coord (qw(0 1)) {
307 my $avail = $eff_paper_size[$coord];
308 my $each = $item_size[$coord];
310 $each += $colgap_width;
311 $avail += $colgap_width;
313 if (defined $domain_suffix) {
314 $avail -= $domain_vsize;
317 $lp_y{$coord} = floor($avail / $each);
318 $lp_y{$coord} >= 1 or return wontfit "cannot fit even one $coord";
321 if ($lp_y{'single-column'}) {
325 or return wontfit "requested multi-column but only one";
328 my $laycountshow = "$lp_y{0} $lp_y{1}";
330 $lp_y{0} * $lp_y{1} >= $pertile
331 or return wontfit "layout fits too few $laycountshow";
333 print DEBUG " OK $laycountshow\n";
340 print DEBUG "layout $fontsize\n";
342 @numbers_metr = map { $_ * $fontsize * $fontscale_num } @numbers_1_metr;
343 $gap_width = $gapratio * $fontsize * $nom_gap_1_metr[4];
344 $colgap_width = $gap_width * 2;
345 @texts_metr = map { $_ * $fontsize } @texts_1_metr;
346 @domain_metr = map { $_ * $fontsize } @domain_1_metr;
348 $core_size[0] = $numbers_metr[4] + $gap_width + $texts_metr[4];
350 $core_size[1] = $lineratio * $fontsize;
352 $domain_vsize = $lineratio * $fontsize;
354 return do_layout_recursive_search 0;
359 sub determine_size_layout () {
366 !defined $minsz ? 1 :
367 !defined $maxsz ? $minsz * 4 :
368 sqrt($minsz * $maxsz);
370 my $ok = do_layout $trysz;
372 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
374 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
376 if (defined $maxsz && ($maxsz / $minsz) < 1.001) {
382 $lp_y = do_layout $usesz or die;
385 print DEBUG Dumper($usesz, \@lp_values, \@numbers_metr,
386 \@texts_metr, $gap_width, $colgap_width, \@core_size,
387 \@item_size, \@eff_paper_size,
391 sub prf { printf @_ or die $!; }
393 sub write_output_tile ($) {
394 my ($tile_string_off) = @_;
397 for ($cnr[0]=0; $cnr[0]<2; $cnr[0]++) {
398 for ($cnr[1]=0; $cnr[1]<2; $cnr[1]++) {
399 foreach my $cnrc (qw(0 1)) {
401 prf "%s ", $cnr[$_] ? $paperpts[$_] : 0 foreach qw(0 1);
403 prf "%s ", ($cnrc!=$_ ? 0 : $cnr[$_] ? -1 : +1) * $borders[$_]
405 prf "rlineto stroke\n";
409 prf "%s ", $borders[$_] foreach qw(0 1);
411 if ($lp_y->{rotate_paper}) {
413 prf "0 %s translate\n", -$eff_paper_size[1];
415 my $rows = ceil($pertile / $lp_y->{0});
418 $cell_size[0] = ($eff_paper_size[0] + $colgap_width) / $lp_y->{0};
419 $cell_size[1] = ($eff_paper_size[1] +
420 (defined $domain_suffix ? -$domain_vsize : 0)
423 prf "/rightadjust { dup stringwidth pop neg 0 rmoveto } bind def\n";
425 foreach my $nums (qw(1 0)) {
426 prf("%s findfont %s scalefont setfont\n",
427 psstring($nums ? $fontname_num : $fontname),
428 ($nums ? $fontscale_num : 1.0) * $lp_y->{f});
429 prf "%s setlinewidth\n", $gap_width * 0.1;
430 print DEBUG "nums? $nums rows=$rows\n";
431 foreach my $col (0..$lp_y->{0}-1) {
432 my $col_lhs = $cell_size[0] * $col;
433 if ($col > 0 && $nums) {
434 prf "newpath %s ", $col_lhs - $colgap_width*0.5;
435 prf "%s moveto ", $eff_paper_size[1];
436 prf "0 %s rlineto ", -$cell_size[1] * $rows;
439 foreach my $row (0..$rows-1) {
440 my $se = $strings[$col*$rows + $row + $tile_string_off];
444 + ($nums ? $numbers_metr[4]
445 : $numbers_metr[4] + $gap_width);
446 prf "%s ", $eff_paper_size[1] - $cell_size[1] * $row
448 prf "moveto %s ", psstring($se->[!$nums]);
452 # prf " gsave 10 10 rlineto stroke grestore\n";
457 if (defined $domain_suffix) {
458 prf "%s 0 moveto", $eff_paper_size[0];
459 prf "%s ", psstring($domain_suffix);
460 prf "rightadjust show\n";
466 sub write_output () {
469 for ($tile[0]=0; $tile[0]<$tiles[0]; $tile[0]++) {
470 for ($tile[1]=0; $tile[1]<$tiles[1]; $tile[1]++) {
471 prf "%% tile @tile\n";
475 my $spare = $bigpaperpts[$_] - $tiles[$_] * $paperpts[$_];
476 $spare >= 0 or die "too many tiles: will not fit!\n";
477 prf "%s ", $spare*0.5;
481 prf "%s ", $tile[$_] * $paperpts[$_] foreach qw(0 1);
483 write_output_tile($tile[0] * $pertile +
484 $tile[1] * $pertile * $tiles[0]);
493 determine_size_layout();