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';
17 our @lp_options = ( [ 'blank-below', 'blank-to-right', ],
18 [ 'landscape', 'portrait' ],
19 [ 'single-column', 'multi-column', ] );
23 usage: $us [<options>] <foo-mail-pregen> <foo-mail-pregen-opts>...
25 -p<papersize> for libpaper, or "creditcard", default is $papersize
26 -f<bothfont> set both to same font name
27 -f[<numfont>[*<scale>]],[<addrfont>] default is $fontname_num*$fontscale_num,$fontname
28 -b<border>|-b<bx>x<by> all in mm
29 -g<gapratio> number-to-addr gap adjustment
30 -l<lineratio> inter-line space ("leading") adjustment factor
31 -b<blankratio> (blank space size) / (text size)
35 foreach my $spec (@lp_options) { $usage .= <<END foreach @$spec; }
39 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 $ARGV[0] =~ m/^-/;
76 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
78 @paperpts = mm2pt($1,$2);
79 } elsif (s/^-f($fontname_re)$//o) {
80 $fontname = $fontname_num = $1;
81 } elsif (s/^-f(?:($fontname_re)(?:\*($dbl_re))?)?,($fontname_re)?$//o) {
84 $fontscale_num = defined($2) ? $2 : 1.0;
89 } elsif (s/^-b($dbl_re)$//o) {
91 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
93 } elsif (s/^-l($dbl_re)$//o) {
95 } elsif (s/^-g($dbl_re)$//o) {
97 } elsif (s/^-b($dbl_re)$//o) {
100 open DEBUG, ">&STDERR" or die $!;
102 if (m/^--([-a-z]+)$/) {
104 grep { $1 eq $_ } @{ $lp_options[$_] }
107 $lp_fixed[$lpi] = $1;
118 if ($papersize eq 'creditcard') {
119 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
120 @paperpts = mm2pt qw(85.60 53.98);
122 $!=0; $?=0; my $r = `paperconf -sp $1`;
123 defined $r or die "paperconf failed: $? $!\n";
124 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
129 @borders = mm2pt @borders;
131 @ARGV >= 2 or badusage;
139 open P, "-|", @ARGV or die $!;
142 m/^(\d+) (\S+)$/ or die "$_ ?";
143 $nlen = length($1) if length($1) > $nlen;
144 push @strings, [ $1, $2 ];
146 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
148 @strings or die "$us: nothing to show\n";
150 if ($strings[0][1] =~ m/$dom_re/o) {
152 if (!grep { $_->[1] !~ m/$dom_re/o && $& eq $dom } @strings) {
153 $domain_suffix = $dom;
154 $_->[1] =~ s/$dom_re//o foreach @strings;
172 print DEBUG " NO @_\n";
187 sub prepare_metrics () {
188 print DEBUG " prepare_metrics\n";
189 my $pchild = open GI, "-|"; defined $pchild or die $!;
191 ([ \@numbers_1_metr, $fontname_num, map { $_->[0] } @strings ],
192 [ \@nom_gap_1_metr, $fontname_num, ' ' ],
193 [ \@texts_1_metr, $fontname, map { $_->[1] } @strings ],
195 if (defined $domain_suffix) {
196 push @sets, [ \@domain_1_metr, $fontname, $domain_suffix ];
199 foreach my $set (@sets) {
200 my ($ra, $fn, @s) = @$set;
201 print DEBUG " want $fn ",scalar(@s),"\n";
202 printf <<END, psstring($fn) or die $!;
203 %s findfont 10 scalefont setfont
205 printf <<END, psstring($_) or die $! foreach @s;
209 dup stringwidth pop =
210 true charpath pathbbox = = = =
213 close STDOUT or die $!;
216 my $gchild = open GO, "-|"; defined $gchild or die $!;
218 open STDIN, "<&GI" or die $!;
219 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH
220 -sDEVICE=pswrite -sOutputFile=/dev/null
223 or die "$us: exec gs: $!\n";
225 foreach my $set (@sets) {
226 my ($ra, $fn, @s) = @$set;
228 for (my $count=0; $count < @s; $count++) {
230 foreach my $ix (0..4) {
231 $_ = <GO>; defined or die "gs fail or eof";
232 printf DEBUG " %s (%d,$ix) |%s", $fn, $count, $_;
234 m/^-?$dbl_re$/o or die "gs $_ ?";
237 print DEBUG " metrics $fn [$count]: @tbb\n";
238 $bb[0] = min $bb[0], $tbb[4];
239 $bb[1] = min $bb[1], $tbb[3];
240 $bb[2] = max $bb[2], $tbb[2];
241 $bb[3] = max $bb[3], $tbb[1];
242 $bb[4] = max $bb[4], $tbb[0];
244 print DEBUG " metrics $fn: @bb\n";
245 @$ra = map { $_ * 0.1 } @bb;
247 $!=0; $?=0; close GO or die "gs $! $?";
248 $!=0; $?=0; close GI or die "gs paste $! $?";
251 sub do_layout_recursive_search ($);
252 sub do_layout_recursive_search ($) {
255 if ($lpi < @lp_options) {
256 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
257 $lp_values[$lpi] = $v;
258 my $r = do_layout_recursive_search $lpi+1;
264 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
267 $lp_y{$_} = 1 foreach @lp_values;
269 $lp_y{rotate_paper} =
270 ($paperpts[0] > $paperpts[1] # paper looks like landscape
271 xor $lp_y{'landscape'});
272 $eff_paper_size[$_] = $paperpts[$_] - 2.0*$borders[$_] foreach qw(0 1);
273 @eff_paper_size = reverse @eff_paper_size if $lp_y{rotate_paper};
275 @item_size = @core_size;
276 my $blank_coord = !!$lp_y{'blank-below'};
277 $item_size[$blank_coord] *= (1.0 + $blankratio);
279 foreach my $coord (qw(0 1)) {
280 my $avail = $eff_paper_size[$coord];
281 my $each = $item_size[$coord];
283 $each += $colgap_width;
284 $avail += $colgap_width;
286 if (defined $domain_suffix) {
287 $avail -= $domain_vsize;
290 $lp_y{$coord} = floor($avail / $each);
291 $lp_y{$coord} >= 1 or return wontfit "cannot fit even one $coord";
294 if ($lp_y{'single-column'}) {
298 or return wontfit "requested multi-column but only one";
301 my $laycountshow = "$lp_y{0} $lp_y{1}";
303 $lp_y{0} * $lp_y{1} >= @strings
304 or return wontfit "layout fits too few $laycountshow";
306 print DEBUG " OK $laycountshow\n";
313 print DEBUG "layout $fontsize\n";
315 @numbers_metr = map { $_ * $fontsize * $fontscale_num } @numbers_1_metr;
316 $gap_width = $gapratio * $fontsize * $nom_gap_1_metr[4];
317 $colgap_width = $gap_width * 2;
318 @texts_metr = map { $_ * $fontsize } @texts_1_metr;
319 @domain_metr = map { $_ * $fontsize } @domain_1_metr;
321 $core_size[0] = $numbers_metr[4] + $gap_width + $texts_metr[4];
323 $core_size[1] = $lineratio * $fontsize;
325 $domain_vsize = $lineratio * $fontsize;
327 return do_layout_recursive_search 0;
332 sub determine_size_layout () {
339 !defined $minsz ? 1 :
340 !defined $maxsz ? $minsz * 4 :
341 sqrt($minsz * $maxsz);
343 my $ok = do_layout $trysz;
345 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
347 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
349 if (defined $maxsz && ($maxsz / $minsz) < 1.001) {
355 $lp_y = do_layout $usesz or die;
358 print DEBUG Dumper($usesz, \@lp_values, \@numbers_metr,
359 \@texts_metr, $gap_width, $colgap_width, \@core_size,
360 \@item_size, \@eff_paper_size,
364 sub prf { printf @_ or die $!; }
366 sub write_output () {
371 for ($cnr[0]=0; $cnr[0]<2; $cnr[0]++) {
372 for ($cnr[1]=0; $cnr[1]<2; $cnr[1]++) {
373 foreach my $cnrc (qw(0 1)) {
375 prf "%s ", $cnr[$_] ? $paperpts[$_] : 0 foreach qw(0 1);
377 prf "%s ", ($cnrc!=$_ ? 0 : $cnr[$_] ? -1 : +1) * $borders[$_]
379 prf "rlineto stroke\n";
383 prf "grestore gsave\n";
384 prf "%s ", $borders[$_] foreach qw(0 1);
386 if ($lp_y->{rotate_paper}) {
388 prf "0 %s translate\n", -$eff_paper_size[1];
390 my $rows = ceil(@strings / $lp_y->{0});
393 $cell_size[0] = ($eff_paper_size[0] + $colgap_width) / $lp_y->{0};
394 $cell_size[1] = ($eff_paper_size[1] +
395 (defined $domain_suffix ? -$domain_vsize : 0)
398 prf "/rightadjust { dup stringwidth pop neg 0 rmoveto } bind def\n";
400 foreach my $nums (qw(1 0)) {
401 prf("%s findfont %s scalefont setfont\n",
402 psstring($nums ? $fontname_num : $fontname),
403 ($nums ? $fontscale_num : 1.0) * $lp_y->{f});
404 prf "%s setlinewidth\n", $gap_width * 0.1;
405 print DEBUG "nums? $nums rows=$rows\n";
406 foreach my $col (0..$lp_y->{0}-1) {
407 my $col_lhs = $cell_size[0] * $col;
408 if ($col > 0 && $nums) {
409 prf "newpath %s ", $col_lhs - $colgap_width*0.5;
410 prf "%s moveto ", $eff_paper_size[1];
411 prf "0 %s rlineto ", -$cell_size[1] * $rows;
414 foreach my $row (0..$rows-1) {
415 my $se = $strings[$col*$rows + $row];
419 + ($nums ? $numbers_metr[4]
420 : $numbers_metr[4] + $gap_width);
421 prf "%s ", $eff_paper_size[1] - $cell_size[1] * $row
423 prf "moveto %s ", psstring($se->[!$nums]);
427 # prf " gsave 10 10 rlineto stroke grestore\n";
432 if (defined $domain_suffix) {
433 prf "%s 0 moveto", $eff_paper_size[0];
434 prf "%s ", psstring($domain_suffix);
435 prf "rightadjust show\n";
444 determine_size_layout();