3 our $us = $0; $us =~ s#.*/##;
8 our @paperpts = ('creditcard');
9 our $fontname_num = 'Helvetica';
10 our $fontscale_num = 0.8;
11 our $fontname = 'Courier';
14 our $blankratio = 1.0;
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 $paperpts[0]
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 $!;
43 sub badusage () { die "bad usage\n\n$usage"; }
45 sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
50 $r = $_ if !defined $r or $_ > $r;
58 $r = $_ if !defined $r or $_ < $r;
63 my $fontname_re = '[^()\\,]+';
64 my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
68 badusage unless @ARGV;
69 last unless $ARGV[0] =~ m/^-/;
75 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
76 @paperpts = mm2pt($1,$2);
77 } elsif (s/^-f($fontname_re)$//o) {
78 $fontname = $fontname_num = $1;
79 } elsif (s/^-f(?:($fontname_re)(?:\*($dbl_re))?)?,($fontname_re)?$//o) {
82 $fontscale_num = defined($2) ? $2 : 1.0;
87 } elsif (s/^-b($dbl_re)$//o) {
89 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
91 } elsif (s/^-l($dbl_re)$//o) {
93 } elsif (s/^-g($dbl_re)$//o) {
95 } elsif (s/^-B($dbl_re)$//o) {
97 } elsif (s/^-T(?:(\d+)x)(\d+)?$//o) {
101 open DEBUG, ">&STDERR" or die $!;
103 if (m/^--([-a-z]+)$/) {
105 grep { $1 eq $_ } @{ $lp_options[$_] }
108 $lp_fixed[$lpi] = $1;
119 if ($paperpts[0] eq 'creditcard') {
120 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
121 @paperpts = mm2pt qw(85.60 53.98);
123 $!=0; $?=0; my $r = `paperconf -sp $paperpts[0]`;
124 defined $r or die "paperconf failed: $? $!\n";
125 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
130 @borders = mm2pt @borders;
132 @ARGV >= 2 or badusage;
141 open P, "-|", @ARGV or die $!;
144 m/^(\d+) (\S+)$/ or die "$_ ?";
145 $nlen = length($1) if length($1) > $nlen;
146 push @strings, [ $1, $2 ];
148 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
150 @strings or die "$us: nothing to show\n";
152 if ($strings[0][1] =~ m/$dom_re/o) {
154 if (!grep { $_->[1] !~ m/$dom_re/o && $& eq $dom } @strings) {
155 $domain_suffix = $dom;
156 $_->[1] =~ s/$dom_re//o foreach @strings;
160 $pertile = ceil(@strings / ($tiles[0] * $tiles[1]));
176 print DEBUG " NO @_\n";
191 sub prepare_metrics () {
192 print DEBUG " prepare_metrics\n";
193 my $pchild = open GI, "-|"; defined $pchild or die $!;
195 ([ \@numbers_1_metr, $fontname_num, map { $_->[0] } @strings ],
196 [ \@nom_gap_1_metr, $fontname_num, ' ' ],
197 [ \@texts_1_metr, $fontname, map { $_->[1] } @strings ],
199 if (defined $domain_suffix) {
200 push @sets, [ \@domain_1_metr, $fontname, $domain_suffix ];
203 foreach my $set (@sets) {
204 my ($ra, $fn, @s) = @$set;
205 print DEBUG " want $fn ",scalar(@s),"\n";
206 printf <<END, psstring($fn) or die $!;
207 %s findfont 10 scalefont setfont
209 printf <<END, psstring($_) or die $! foreach @s;
213 dup stringwidth pop =
214 true charpath pathbbox = = = =
217 close STDOUT or die $!;
220 my $gchild = open GO, "-|"; defined $gchild or die $!;
222 open STDIN, "<&GI" or die $!;
223 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH
224 -sDEVICE=pswrite -sOutputFile=/dev/null
227 or die "$us: exec gs: $!\n";
229 foreach my $set (@sets) {
230 my ($ra, $fn, @s) = @$set;
232 for (my $count=0; $count < @s; $count++) {
234 foreach my $ix (0..4) {
235 $_ = <GO>; defined or die "gs fail or eof";
236 printf DEBUG " %s (%d,$ix) |%s", $fn, $count, $_;
238 m/^-?$dbl_re$/o or die "gs $_ ?";
241 print DEBUG " metrics $fn [$count]: @tbb\n";
242 $bb[0] = min $bb[0], $tbb[4];
243 $bb[1] = min $bb[1], $tbb[3];
244 $bb[2] = max $bb[2], $tbb[2];
245 $bb[3] = max $bb[3], $tbb[1];
246 $bb[4] = max $bb[4], $tbb[0];
248 print DEBUG " metrics $fn: @bb\n";
249 @$ra = map { $_ * 0.1 } @bb;
251 $!=0; $?=0; close GO or die "gs $! $?";
252 $!=0; $?=0; close GI or die "gs paste $! $?";
255 sub do_layout_recursive_search ($);
256 sub do_layout_recursive_search ($) {
259 if ($lpi < @lp_options) {
260 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
261 $lp_values[$lpi] = $v;
262 my $r = do_layout_recursive_search $lpi+1;
268 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
271 $lp_y{$_} = 1 foreach @lp_values;
273 $lp_y{rotate_paper} =
274 ($paperpts[0] > $paperpts[1] # paper looks like landscape
275 xor $lp_y{'landscape'});
276 $eff_paper_size[$_] = $paperpts[$_] - 2.0*$borders[$_] foreach qw(0 1);
277 @eff_paper_size = reverse @eff_paper_size if $lp_y{rotate_paper};
279 $eff_paper_size[0] >= $domain_metr[4]
280 or return wontfit "domain suffix too long";
282 @item_size = @core_size;
283 my $blank_coord = !!$lp_y{'blank-below'};
284 $item_size[$blank_coord] *= (1.0 + $blankratio);
286 foreach my $coord (qw(0 1)) {
287 my $avail = $eff_paper_size[$coord];
288 my $each = $item_size[$coord];
290 $each += $colgap_width;
291 $avail += $colgap_width;
293 if (defined $domain_suffix) {
294 $avail -= $domain_vsize;
297 $lp_y{$coord} = floor($avail / $each);
298 $lp_y{$coord} >= 1 or return wontfit "cannot fit even one $coord";
301 if ($lp_y{'single-column'}) {
305 or return wontfit "requested multi-column but only one";
308 my $laycountshow = "$lp_y{0} $lp_y{1}";
310 $lp_y{0} * $lp_y{1} >= $pertile
311 or return wontfit "layout fits too few $laycountshow";
313 print DEBUG " OK $laycountshow\n";
320 print DEBUG "layout $fontsize\n";
322 @numbers_metr = map { $_ * $fontsize * $fontscale_num } @numbers_1_metr;
323 $gap_width = $gapratio * $fontsize * $nom_gap_1_metr[4];
324 $colgap_width = $gap_width * 2;
325 @texts_metr = map { $_ * $fontsize } @texts_1_metr;
326 @domain_metr = map { $_ * $fontsize } @domain_1_metr;
328 $core_size[0] = $numbers_metr[4] + $gap_width + $texts_metr[4];
330 $core_size[1] = $lineratio * $fontsize;
332 $domain_vsize = $lineratio * $fontsize;
334 return do_layout_recursive_search 0;
339 sub determine_size_layout () {
346 !defined $minsz ? 1 :
347 !defined $maxsz ? $minsz * 4 :
348 sqrt($minsz * $maxsz);
350 my $ok = do_layout $trysz;
352 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
354 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
356 if (defined $maxsz && ($maxsz / $minsz) < 1.001) {
362 $lp_y = do_layout $usesz or die;
365 print DEBUG Dumper($usesz, \@lp_values, \@numbers_metr,
366 \@texts_metr, $gap_width, $colgap_width, \@core_size,
367 \@item_size, \@eff_paper_size,
371 sub prf { printf @_ or die $!; }
373 sub write_output_tile ($) {
374 my ($tile_string_off) = @_;
377 for ($cnr[0]=0; $cnr[0]<2; $cnr[0]++) {
378 for ($cnr[1]=0; $cnr[1]<2; $cnr[1]++) {
379 foreach my $cnrc (qw(0 1)) {
381 prf "%s ", $cnr[$_] ? $paperpts[$_] : 0 foreach qw(0 1);
383 prf "%s ", ($cnrc!=$_ ? 0 : $cnr[$_] ? -1 : +1) * $borders[$_]
385 prf "rlineto stroke\n";
389 prf "%s ", $borders[$_] foreach qw(0 1);
391 if ($lp_y->{rotate_paper}) {
393 prf "0 %s translate\n", -$eff_paper_size[1];
395 my $rows = ceil($pertile / $lp_y->{0});
398 $cell_size[0] = ($eff_paper_size[0] + $colgap_width) / $lp_y->{0};
399 $cell_size[1] = ($eff_paper_size[1] +
400 (defined $domain_suffix ? -$domain_vsize : 0)
403 prf "/rightadjust { dup stringwidth pop neg 0 rmoveto } bind def\n";
405 foreach my $nums (qw(1 0)) {
406 prf("%s findfont %s scalefont setfont\n",
407 psstring($nums ? $fontname_num : $fontname),
408 ($nums ? $fontscale_num : 1.0) * $lp_y->{f});
409 prf "%s setlinewidth\n", $gap_width * 0.1;
410 print DEBUG "nums? $nums rows=$rows\n";
411 foreach my $col (0..$lp_y->{0}-1) {
412 my $col_lhs = $cell_size[0] * $col;
413 if ($col > 0 && $nums) {
414 prf "newpath %s ", $col_lhs - $colgap_width*0.5;
415 prf "%s moveto ", $eff_paper_size[1];
416 prf "0 %s rlineto ", -$cell_size[1] * $rows;
419 foreach my $row (0..$rows-1) {
420 my $se = $strings[$col*$rows + $row + $tile_string_off];
424 + ($nums ? $numbers_metr[4]
425 : $numbers_metr[4] + $gap_width);
426 prf "%s ", $eff_paper_size[1] - $cell_size[1] * $row
428 prf "moveto %s ", psstring($se->[!$nums]);
432 # prf " gsave 10 10 rlineto stroke grestore\n";
437 if (defined $domain_suffix) {
438 prf "%s 0 moveto", $eff_paper_size[0];
439 prf "%s ", psstring($domain_suffix);
440 prf "rightadjust show\n";
446 sub write_output () {
449 for ($tile[0]=0; $tile[0]<$tiles[0]; $tile[0]++) {
450 for ($tile[1]=0; $tile[1]<$tiles[1]; $tile[1]++) {
451 prf "%% tile @tile\n";
453 prf "%s ", $tile[$_] * $paperpts[$_] foreach qw(0 1);
455 write_output_tile($tile[0] * $pertile +
456 $tile[1] * $pertile * $tiles[0]);
464 determine_size_layout();