3 our $us = $0; $us =~ s#.*/##;
8 our $papersize = 'creditcard';
9 our $fontname_num = 'Helvetica';
10 our $fontscale_num = 0.8;
11 our $fontname = 'Courier';
18 our @lp_options = ( [ 'blank-below', 'blank-to-right', ],
19 [ 'landscape', 'portrait' ],
20 [ 'single-column', 'multi-column', ] );
24 usage: $us [<options>] <foo-mail-pregen> <foo-mail-pregen-opts>...
26 -p<papersize> for libpaper, or "creditcard", default is $papersize
27 -f<bothfont> set both to same font name
28 -f[<numfont>[*<scale>]],[<addrfont>] default is $fontname_num*$fontscale_num,$fontname
29 -b<border>|-b<bx>x<by> all in mm
30 -T[<xtiles>x]<ytiles> default is $tiles[0]x$tiles[1]
31 -g<gapratio> number-to-addr gap adjustment
32 -l<lineratio> inter-line space ("leading") adjustment factor
33 -b<blankratio> (blank space size) / (text size)
37 foreach my $spec (@lp_options) { $usage .= <<END foreach @$spec; }
41 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 $ARGV[0] =~ m/^-/;
78 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
80 @paperpts = mm2pt($1,$2);
81 } elsif (s/^-f($fontname_re)$//o) {
82 $fontname = $fontname_num = $1;
83 } elsif (s/^-f(?:($fontname_re)(?:\*($dbl_re))?)?,($fontname_re)?$//o) {
86 $fontscale_num = defined($2) ? $2 : 1.0;
91 } elsif (s/^-b($dbl_re)$//o) {
93 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
95 } elsif (s/^-l($dbl_re)$//o) {
97 } elsif (s/^-g($dbl_re)$//o) {
99 } elsif (s/^-b($dbl_re)$//o) {
101 } elsif (s/^-T(?:(\d+)x)(\d+)?$//o) {
105 open DEBUG, ">&STDERR" or die $!;
107 if (m/^--([-a-z]+)$/) {
109 grep { $1 eq $_ } @{ $lp_options[$_] }
112 $lp_fixed[$lpi] = $1;
123 if ($papersize eq 'creditcard') {
124 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
125 @paperpts = mm2pt qw(85.60 53.98);
127 $!=0; $?=0; my $r = `paperconf -sp $1`;
128 defined $r or die "paperconf failed: $? $!\n";
129 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
134 @borders = mm2pt @borders;
136 @ARGV >= 2 or badusage;
145 open P, "-|", @ARGV or die $!;
148 m/^(\d+) (\S+)$/ or die "$_ ?";
149 $nlen = length($1) if length($1) > $nlen;
150 push @strings, [ $1, $2 ];
152 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
154 @strings or die "$us: nothing to show\n";
156 if ($strings[0][1] =~ m/$dom_re/o) {
158 if (!grep { $_->[1] !~ m/$dom_re/o && $& eq $dom } @strings) {
159 $domain_suffix = $dom;
160 $_->[1] =~ s/$dom_re//o foreach @strings;
164 $pertile = ceil(@strings / ($tiles[0] * $tiles[1]));
180 print DEBUG " NO @_\n";
195 sub prepare_metrics () {
196 print DEBUG " prepare_metrics\n";
197 my $pchild = open GI, "-|"; defined $pchild or die $!;
199 ([ \@numbers_1_metr, $fontname_num, map { $_->[0] } @strings ],
200 [ \@nom_gap_1_metr, $fontname_num, ' ' ],
201 [ \@texts_1_metr, $fontname, map { $_->[1] } @strings ],
203 if (defined $domain_suffix) {
204 push @sets, [ \@domain_1_metr, $fontname, $domain_suffix ];
207 foreach my $set (@sets) {
208 my ($ra, $fn, @s) = @$set;
209 print DEBUG " want $fn ",scalar(@s),"\n";
210 printf <<END, psstring($fn) or die $!;
211 %s findfont 10 scalefont setfont
213 printf <<END, psstring($_) or die $! foreach @s;
217 dup stringwidth pop =
218 true charpath pathbbox = = = =
221 close STDOUT or die $!;
224 my $gchild = open GO, "-|"; defined $gchild or die $!;
226 open STDIN, "<&GI" or die $!;
227 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH
228 -sDEVICE=pswrite -sOutputFile=/dev/null
231 or die "$us: exec gs: $!\n";
233 foreach my $set (@sets) {
234 my ($ra, $fn, @s) = @$set;
236 for (my $count=0; $count < @s; $count++) {
238 foreach my $ix (0..4) {
239 $_ = <GO>; defined or die "gs fail or eof";
240 printf DEBUG " %s (%d,$ix) |%s", $fn, $count, $_;
242 m/^-?$dbl_re$/o or die "gs $_ ?";
245 print DEBUG " metrics $fn [$count]: @tbb\n";
246 $bb[0] = min $bb[0], $tbb[4];
247 $bb[1] = min $bb[1], $tbb[3];
248 $bb[2] = max $bb[2], $tbb[2];
249 $bb[3] = max $bb[3], $tbb[1];
250 $bb[4] = max $bb[4], $tbb[0];
252 print DEBUG " metrics $fn: @bb\n";
253 @$ra = map { $_ * 0.1 } @bb;
255 $!=0; $?=0; close GO or die "gs $! $?";
256 $!=0; $?=0; close GI or die "gs paste $! $?";
259 sub do_layout_recursive_search ($);
260 sub do_layout_recursive_search ($) {
263 if ($lpi < @lp_options) {
264 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
265 $lp_values[$lpi] = $v;
266 my $r = do_layout_recursive_search $lpi+1;
272 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
275 $lp_y{$_} = 1 foreach @lp_values;
277 $lp_y{rotate_paper} =
278 ($paperpts[0] > $paperpts[1] # paper looks like landscape
279 xor $lp_y{'landscape'});
280 $eff_paper_size[$_] = $paperpts[$_] - 2.0*$borders[$_] foreach qw(0 1);
281 @eff_paper_size = reverse @eff_paper_size if $lp_y{rotate_paper};
283 @item_size = @core_size;
284 my $blank_coord = !!$lp_y{'blank-below'};
285 $item_size[$blank_coord] *= (1.0 + $blankratio);
287 foreach my $coord (qw(0 1)) {
288 my $avail = $eff_paper_size[$coord];
289 my $each = $item_size[$coord];
291 $each += $colgap_width;
292 $avail += $colgap_width;
294 if (defined $domain_suffix) {
295 $avail -= $domain_vsize;
298 $lp_y{$coord} = floor($avail / $each);
299 $lp_y{$coord} >= 1 or return wontfit "cannot fit even one $coord";
302 if ($lp_y{'single-column'}) {
306 or return wontfit "requested multi-column but only one";
309 my $laycountshow = "$lp_y{0} $lp_y{1}";
311 $lp_y{0} * $lp_y{1} >= $pertile
312 or return wontfit "layout fits too few $laycountshow";
314 print DEBUG " OK $laycountshow\n";
321 print DEBUG "layout $fontsize\n";
323 @numbers_metr = map { $_ * $fontsize * $fontscale_num } @numbers_1_metr;
324 $gap_width = $gapratio * $fontsize * $nom_gap_1_metr[4];
325 $colgap_width = $gap_width * 2;
326 @texts_metr = map { $_ * $fontsize } @texts_1_metr;
327 @domain_metr = map { $_ * $fontsize } @domain_1_metr;
329 $core_size[0] = $numbers_metr[4] + $gap_width + $texts_metr[4];
331 $core_size[1] = $lineratio * $fontsize;
333 $domain_vsize = $lineratio * $fontsize;
335 return do_layout_recursive_search 0;
340 sub determine_size_layout () {
347 !defined $minsz ? 1 :
348 !defined $maxsz ? $minsz * 4 :
349 sqrt($minsz * $maxsz);
351 my $ok = do_layout $trysz;
353 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
355 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
357 if (defined $maxsz && ($maxsz / $minsz) < 1.001) {
363 $lp_y = do_layout $usesz or die;
366 print DEBUG Dumper($usesz, \@lp_values, \@numbers_metr,
367 \@texts_metr, $gap_width, $colgap_width, \@core_size,
368 \@item_size, \@eff_paper_size,
372 sub prf { printf @_ or die $!; }
374 sub write_output_tile ($) {
375 my ($tile_string_off) = @_;
378 for ($cnr[0]=0; $cnr[0]<2; $cnr[0]++) {
379 for ($cnr[1]=0; $cnr[1]<2; $cnr[1]++) {
380 foreach my $cnrc (qw(0 1)) {
382 prf "%s ", $cnr[$_] ? $paperpts[$_] : 0 foreach qw(0 1);
384 prf "%s ", ($cnrc!=$_ ? 0 : $cnr[$_] ? -1 : +1) * $borders[$_]
386 prf "rlineto stroke\n";
390 prf "%s ", $borders[$_] foreach qw(0 1);
392 if ($lp_y->{rotate_paper}) {
394 prf "0 %s translate\n", -$eff_paper_size[1];
396 my $rows = ceil($pertile / $lp_y->{0});
399 $cell_size[0] = ($eff_paper_size[0] + $colgap_width) / $lp_y->{0};
400 $cell_size[1] = ($eff_paper_size[1] +
401 (defined $domain_suffix ? -$domain_vsize : 0)
404 prf "/rightadjust { dup stringwidth pop neg 0 rmoveto } bind def\n";
406 foreach my $nums (qw(1 0)) {
407 prf("%s findfont %s scalefont setfont\n",
408 psstring($nums ? $fontname_num : $fontname),
409 ($nums ? $fontscale_num : 1.0) * $lp_y->{f});
410 prf "%s setlinewidth\n", $gap_width * 0.1;
411 print DEBUG "nums? $nums rows=$rows\n";
412 foreach my $col (0..$lp_y->{0}-1) {
413 my $col_lhs = $cell_size[0] * $col;
414 if ($col > 0 && $nums) {
415 prf "newpath %s ", $col_lhs - $colgap_width*0.5;
416 prf "%s moveto ", $eff_paper_size[1];
417 prf "0 %s rlineto ", -$cell_size[1] * $rows;
420 foreach my $row (0..$rows-1) {
421 my $se = $strings[$col*$rows + $row + $tile_string_off];
425 + ($nums ? $numbers_metr[4]
426 : $numbers_metr[4] + $gap_width);
427 prf "%s ", $eff_paper_size[1] - $cell_size[1] * $row
429 prf "moveto %s ", psstring($se->[!$nums]);
433 # prf " gsave 10 10 rlineto stroke grestore\n";
438 if (defined $domain_suffix) {
439 prf "%s 0 moveto", $eff_paper_size[0];
440 prf "%s ", psstring($domain_suffix);
441 prf "rightadjust show\n";
447 sub write_output () {
450 for ($tile[0]=0; $tile[0]<$tiles[0]; $tile[0]++) {
451 for ($tile[1]=0; $tile[1]<$tiles[1]; $tile[1]++) {
452 prf "%% tile @tile\n";
454 prf "%s ", $tile[$_] * $paperpts[$_] foreach qw(0 1);
456 write_output_tile($tile[0] * $pertile +
457 $tile[1] * $pertile * $tiles[0]);
465 determine_size_layout();