3 our $us = $0; $us =~ s#.*/##;
8 our @paperpts = ('creditcard');
10 our $fontname_num = 'Helvetica';
11 our $fontscale_num = 0.8;
12 our $fontname = 'Courier';
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> <foo-mail-pregen-opts>...
27 -p<papersize> for libpaper, or "creditcard", default is $paperpts[0]
28 -P<actual-papersize> center in this; default is not to center
29 -f<bothfont> set both to same font name
30 -f[<numfont>[*<scale>]],[<addrfont>] default is $fontname_num*$fontscale_num,$fontname
31 -b<border>|-b<bx>x<by> all in mm
32 -T[<xtiles>x]<ytiles> default is $tiles[0]x$tiles[1]
33 -g<gapratio> number-to-addr gap adjustment
34 -l<lineratio> inter-line space ("leading") adjustment factor
35 -B<blankratio> (blank space size) / (text size)
39 foreach my $spec (@lp_options) { $usage .= <<END foreach @$spec; }
43 open DEBUG, ">/dev/null" or die $!;
45 sub badusage () { die "bad usage\n\n$usage"; }
47 sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
52 $r = $_ if !defined $r or $_ > $r;
60 $r = $_ if !defined $r or $_ < $r;
65 my $fontname_re = '[^()\\,]+';
66 my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
70 badusage unless @ARGV;
71 last unless $ARGV[0] =~ m/^-/;
77 } elsif (s/^-P(\w+)$//) {
79 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
80 @paperpts = mm2pt($1,$2);
81 } elsif (s/^-P($dbl_re)x($dbl_re)$//o) {
82 @bigpaperpts = mm2pt($1,$2);
83 } elsif (s/^-f($fontname_re)$//o) {
84 $fontname = $fontname_num = $1;
85 } elsif (s/^-f(?:($fontname_re)(?:\*($dbl_re))?)?,($fontname_re)?$//o) {
88 $fontscale_num = defined($2) ? $2 : 1.0;
93 } elsif (s/^-b($dbl_re)$//o) {
95 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
97 } elsif (s/^-l($dbl_re)$//o) {
99 } elsif (s/^-g($dbl_re)$//o) {
101 } elsif (s/^-B($dbl_re)$//o) {
103 } elsif (s/^-T(?:(\d+)x)(\d+)?$//o) {
107 open DEBUG, ">&STDERR" or die $!;
109 if (m/^--([-a-z]+)$/) {
111 grep { $1 eq $_ } @{ $lp_options[$_] }
114 $lp_fixed[$lpi] = $1;
127 return unless @$pts==1;
130 if ($name eq 'creditcard') {
131 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
132 @$pts = mm2pt qw(85.60 53.98);
134 $!=0; $?=0; my $r = `paperconf -sp $name`;
135 defined $r or die "paperconf failed: $? $!\n";
136 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
141 canonpaper(\@paperpts);
142 canonpaper(\@bigpaperpts);
144 @borders = mm2pt @borders;
146 @ARGV >= 2 or badusage;
155 open P, "-|", @ARGV or die $!;
158 m/^(\d+) (\S+)$/ or die "$_ ?";
159 $nlen = length($1) if length($1) > $nlen;
160 push @strings, [ $1, $2 ];
162 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
164 @strings or die "$us: nothing to show\n";
166 if ($strings[0][1] =~ m/$dom_re/o) {
168 if (!grep { $_->[1] !~ m/$dom_re/o && $& eq $dom } @strings) {
169 $domain_suffix = $dom;
170 $_->[1] =~ s/$dom_re//o foreach @strings;
174 $pertile = ceil(@strings / ($tiles[0] * $tiles[1]));
190 print DEBUG " NO @_\n";
205 sub prepare_metrics () {
206 print DEBUG " prepare_metrics\n";
207 my $pchild = open GI, "-|"; defined $pchild or die $!;
209 ([ \@numbers_1_metr, $fontname_num, map { $_->[0] } @strings ],
210 [ \@nom_gap_1_metr, $fontname_num, ' ' ],
211 [ \@texts_1_metr, $fontname, map { $_->[1] } @strings ],
213 if (defined $domain_suffix) {
214 push @sets, [ \@domain_1_metr, $fontname, $domain_suffix ];
217 foreach my $set (@sets) {
218 my ($ra, $fn, @s) = @$set;
219 print DEBUG " want $fn ",scalar(@s),"\n";
220 printf <<END, psstring($fn) or die $!;
221 %s findfont 10 scalefont setfont
223 printf <<END, psstring($_) or die $! foreach @s;
227 dup stringwidth pop =
228 true charpath pathbbox = = = =
231 close STDOUT or die $!;
234 my $gchild = open GO, "-|"; defined $gchild or die $!;
236 open STDIN, "<&GI" or die $!;
237 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH
238 -sDEVICE=pswrite -sOutputFile=/dev/null
241 or die "$us: exec gs: $!\n";
243 foreach my $set (@sets) {
244 my ($ra, $fn, @s) = @$set;
246 for (my $count=0; $count < @s; $count++) {
248 foreach my $ix (0..4) {
249 $_ = <GO>; defined or die "gs fail or eof";
250 printf DEBUG " %s (%d,$ix) |%s", $fn, $count, $_;
252 m/^-?$dbl_re$/o or die "gs $_ ?";
255 print DEBUG " metrics $fn [$count]: @tbb\n";
256 $bb[0] = min $bb[0], $tbb[4];
257 $bb[1] = min $bb[1], $tbb[3];
258 $bb[2] = max $bb[2], $tbb[2];
259 $bb[3] = max $bb[3], $tbb[1];
260 $bb[4] = max $bb[4], $tbb[0];
262 print DEBUG " metrics $fn: @bb\n";
263 @$ra = map { $_ * 0.1 } @bb;
265 $!=0; $?=0; close GO or die "gs $! $?";
266 $!=0; $?=0; close GI or die "gs paste $! $?";
269 sub do_layout_recursive_search ($);
270 sub do_layout_recursive_search ($) {
273 if ($lpi < @lp_options) {
274 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
275 $lp_values[$lpi] = $v;
276 my $r = do_layout_recursive_search $lpi+1;
282 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
285 $lp_y{$_} = 1 foreach @lp_values;
287 $lp_y{rotate_paper} =
288 ($paperpts[0] > $paperpts[1] # paper looks like landscape
289 xor $lp_y{'landscape'});
290 $eff_paper_size[$_] = $paperpts[$_] - 2.0*$borders[$_] foreach qw(0 1);
291 @eff_paper_size = reverse @eff_paper_size if $lp_y{rotate_paper};
293 $eff_paper_size[0] >= $domain_metr[4]
294 or return wontfit "domain suffix too long";
296 @item_size = @core_size;
297 my $blank_coord = !!$lp_y{'blank-below'};
298 $item_size[$blank_coord] *= (1.0 + $blankratio);
300 foreach my $coord (qw(0 1)) {
301 my $avail = $eff_paper_size[$coord];
302 my $each = $item_size[$coord];
304 $each += $colgap_width;
305 $avail += $colgap_width;
307 if (defined $domain_suffix) {
308 $avail -= $domain_vsize;
311 $lp_y{$coord} = floor($avail / $each);
312 $lp_y{$coord} >= 1 or return wontfit "cannot fit even one $coord";
315 if ($lp_y{'single-column'}) {
319 or return wontfit "requested multi-column but only one";
322 my $laycountshow = "$lp_y{0} $lp_y{1}";
324 $lp_y{0} * $lp_y{1} >= $pertile
325 or return wontfit "layout fits too few $laycountshow";
327 print DEBUG " OK $laycountshow\n";
334 print DEBUG "layout $fontsize\n";
336 @numbers_metr = map { $_ * $fontsize * $fontscale_num } @numbers_1_metr;
337 $gap_width = $gapratio * $fontsize * $nom_gap_1_metr[4];
338 $colgap_width = $gap_width * 2;
339 @texts_metr = map { $_ * $fontsize } @texts_1_metr;
340 @domain_metr = map { $_ * $fontsize } @domain_1_metr;
342 $core_size[0] = $numbers_metr[4] + $gap_width + $texts_metr[4];
344 $core_size[1] = $lineratio * $fontsize;
346 $domain_vsize = $lineratio * $fontsize;
348 return do_layout_recursive_search 0;
353 sub determine_size_layout () {
360 !defined $minsz ? 1 :
361 !defined $maxsz ? $minsz * 4 :
362 sqrt($minsz * $maxsz);
364 my $ok = do_layout $trysz;
366 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
368 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
370 if (defined $maxsz && ($maxsz / $minsz) < 1.001) {
376 $lp_y = do_layout $usesz or die;
379 print DEBUG Dumper($usesz, \@lp_values, \@numbers_metr,
380 \@texts_metr, $gap_width, $colgap_width, \@core_size,
381 \@item_size, \@eff_paper_size,
385 sub prf { printf @_ or die $!; }
387 sub write_output_tile ($) {
388 my ($tile_string_off) = @_;
391 for ($cnr[0]=0; $cnr[0]<2; $cnr[0]++) {
392 for ($cnr[1]=0; $cnr[1]<2; $cnr[1]++) {
393 foreach my $cnrc (qw(0 1)) {
395 prf "%s ", $cnr[$_] ? $paperpts[$_] : 0 foreach qw(0 1);
397 prf "%s ", ($cnrc!=$_ ? 0 : $cnr[$_] ? -1 : +1) * $borders[$_]
399 prf "rlineto stroke\n";
403 prf "%s ", $borders[$_] foreach qw(0 1);
405 if ($lp_y->{rotate_paper}) {
407 prf "0 %s translate\n", -$eff_paper_size[1];
409 my $rows = ceil($pertile / $lp_y->{0});
412 $cell_size[0] = ($eff_paper_size[0] + $colgap_width) / $lp_y->{0};
413 $cell_size[1] = ($eff_paper_size[1] +
414 (defined $domain_suffix ? -$domain_vsize : 0)
417 prf "/rightadjust { dup stringwidth pop neg 0 rmoveto } bind def\n";
419 foreach my $nums (qw(1 0)) {
420 prf("%s findfont %s scalefont setfont\n",
421 psstring($nums ? $fontname_num : $fontname),
422 ($nums ? $fontscale_num : 1.0) * $lp_y->{f});
423 prf "%s setlinewidth\n", $gap_width * 0.1;
424 print DEBUG "nums? $nums rows=$rows\n";
425 foreach my $col (0..$lp_y->{0}-1) {
426 my $col_lhs = $cell_size[0] * $col;
427 if ($col > 0 && $nums) {
428 prf "newpath %s ", $col_lhs - $colgap_width*0.5;
429 prf "%s moveto ", $eff_paper_size[1];
430 prf "0 %s rlineto ", -$cell_size[1] * $rows;
433 foreach my $row (0..$rows-1) {
434 my $se = $strings[$col*$rows + $row + $tile_string_off];
438 + ($nums ? $numbers_metr[4]
439 : $numbers_metr[4] + $gap_width);
440 prf "%s ", $eff_paper_size[1] - $cell_size[1] * $row
442 prf "moveto %s ", psstring($se->[!$nums]);
446 # prf " gsave 10 10 rlineto stroke grestore\n";
451 if (defined $domain_suffix) {
452 prf "%s 0 moveto", $eff_paper_size[0];
453 prf "%s ", psstring($domain_suffix);
454 prf "rightadjust show\n";
460 sub write_output () {
463 for ($tile[0]=0; $tile[0]<$tiles[0]; $tile[0]++) {
464 for ($tile[1]=0; $tile[1]<$tiles[1]; $tile[1]++) {
465 prf "%% tile @tile\n";
469 my $spare = $bigpaperpts[$_] - $tiles[$_] * $paperpts[$_];
470 $spare >= 0 or die "too many tiles: will not fit!\n";
471 prf "%s ", $spare*0.5;
475 prf "%s ", $tile[$_] * $paperpts[$_] foreach qw(0 1);
477 write_output_tile($tile[0] * $pertile +
478 $tile[1] * $pertile * $tiles[0]);
486 determine_size_layout();