3 our $us = $0; $us =~ s#.*/##;
8 our $papersize = 'creditcard';
9 our $fontname = 'Courier';
10 our $fontname_num = 'Courier';
16 our @lp_options = ( [ 'blank-below', 'blank-to-right', ],
17 [ 'landscape', 'portrait' ],
18 [ 'single-column', 'multi-column', ] );
22 usage: $us [<options>] <foo-mail-pregen> <foo-mail-pregen-opts>...
24 -p<papersize> for libpaper, or "creditcard" default is $papersize
25 -f[<numberfont>,]<font> font name default is $fontname
26 -b<border>|-b<bx>x<by> all in mm
27 -g<gapratio> number-to-addr gap adjustment
28 -l<lineratio> inter-line space ("leading") adjustment factor
29 -b<blankratio> (blank space size) / (text size)
33 foreach my $spec (@lp_options) { $usage .= <<END foreach @$spec; }
37 open DEBUG, ">/dev/null" or die $!;
41 sub badusage () { die "bad usage\n\n$usage"; }
43 sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
48 $r = $_ if !defined $r or $_ > $r;
56 $r = $_ if !defined $r or $_ < $r;
61 my $fontname_re = '[^()\\,]+';
62 my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
66 badusage unless @ARGV;
67 last unless $ARGV[0] =~ m/^-/;
74 } elsif (s/^-p($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),($fontname_re)$//o) {
80 ($fontname_num, $fontname) = ($1, $2);
81 } elsif (s/^-b($dbl_re)$//o) {
83 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
85 } elsif (s/^-l($dbl_re)$//o) {
87 } elsif (s/^-g($dbl_re)$//o) {
89 } elsif (s/^-b($dbl_re)$//o) {
92 open DEBUG, ">&STDERR" or die $!;
94 if (m/^--([-a-z]+)$/) {
96 grep { $1 eq $_ } @{ $lp_options[$_] }
110 if ($papersize eq 'creditcard') {
111 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
112 @paperpts = mm2pt qw(85.60 53.98);
114 $!=0; $?=0; my $r = `paperconf -sp $1`;
115 defined $r or die "paperconf failed: $? $!\n";
116 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
121 @borders = mm2pt @borders;
123 @ARGV >= 2 or badusage;
131 open P, "-|", @ARGV or die $!;
134 m/^(\d+) (\S+)$/ or die "$_ ?";
135 $nlen = length($1) if length($1) > $nlen;
136 push @strings, [ $1, $2 ];
138 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
140 @strings or die "$us: nothing to show\n";
142 if ($strings[0][1] =~ m/$dom_re/o) {
144 if (!grep { $_->[1] !~ m/$dom_re/o && $& eq $dom } @strings) {
145 $domain_suffix = $dom;
146 $_->[1] =~ s/$dom_re//o foreach @strings;
164 print DEBUG " NO @_\n";
179 sub prepare_metrics () {
180 print DEBUG " prepare_metrics\n";
181 my $pchild = open GI, "-|"; defined $pchild or die $!;
183 ([ \@numbers_1_metr, $fontname_num, map { $_->[0] } @strings ],
184 [ \@nom_gap_1_metr, $fontname_num, ' ' ],
185 [ \@texts_1_metr, $fontname, map { $_->[1] } @strings ],
187 if (defined $domain_suffix) {
188 push @sets, [ \@domain_1_metr, $fontname, $domain_suffix ];
191 foreach my $set (@sets) {
192 my ($ra, $fn, @s) = @$set;
193 print DEBUG " want $fn ",scalar(@s),"\n";
194 printf <<END, psstring($fn) or die $!;
195 %s findfont 10 scalefont setfont
197 printf <<END, psstring($_) or die $! foreach @s;
201 dup stringwidth pop =
202 true charpath pathbbox = = = =
205 close STDOUT or die $!;
208 my $gchild = open GO, "-|"; defined $gchild or die $!;
210 open STDIN, "<&GI" or die $!;
211 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH
212 -sDEVICE=pswrite -sOutputFile=/dev/null
215 or die "$us: exec gs: $!\n";
217 foreach my $set (@sets) {
218 my ($ra, $fn, @s) = @$set;
220 for (my $count=0; $count < @s; $count++) {
222 foreach my $ix (0..4) {
223 $_ = <GO>; defined or die "gs fail or eof";
224 printf DEBUG " %s (%d,$ix) |%s", $fn, $count, $_;
226 m/^-?$dbl_re$/o or die "gs $_ ?";
229 print DEBUG " metrics $fn [$count]: @tbb\n";
230 $bb[0] = min $bb[0], $tbb[4];
231 $bb[1] = min $bb[1], $tbb[3];
232 $bb[2] = max $bb[2], $tbb[2];
233 $bb[3] = max $bb[3], $tbb[1];
234 $bb[4] = max $bb[4], $tbb[0];
236 print DEBUG " metrics $fn: @bb\n";
237 @$ra = map { $_ * 0.1 } @bb;
239 $!=0; $?=0; close GO or die "gs $! $?";
240 $!=0; $?=0; close GI or die "gs paste $! $?";
243 sub do_layout_recursive_search ($);
244 sub do_layout_recursive_search ($) {
247 if ($lpi < @lp_options) {
248 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
249 $lp_values[$lpi] = $v;
250 my $r = do_layout_recursive_search $lpi+1;
256 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
259 $lp_y{$_} = 1 foreach @lp_values;
261 $lp_y{rotate_paper} =
262 ($paperpts[0] > $paperpts[1] # paper looks like landscape
263 xor $lp_y{'landscape'});
264 $eff_paper_size[$_] = $paperpts[$_] - 2.0*$borders[$_] foreach qw(0 1);
265 @eff_paper_size = reverse @eff_paper_size if $lp_y{rotate_paper};
267 @item_size = @core_size;
268 my $blank_coord = !!$lp_y{'blank-below'};
269 $item_size[$blank_coord] *= (1.0 + $blankratio);
271 foreach my $coord (qw(0 1)) {
272 my $avail = $eff_paper_size[$coord];
273 my $each = $item_size[$coord];
275 $each += $colgap_width;
276 $avail += $colgap_width;
278 if (defined $domain_suffix) {
279 $avail -= $domain_vsize;
282 $lp_y{$coord} = floor($avail / $each);
283 $lp_y{$coord} >= 1 or return wontfit "cannot fit even one $coord";
286 if ($lp_y{'single-column'}) {
290 or return wontfit "requested multi-column but only one";
293 my $laycountshow = "$lp_y{0} $lp_y{1}";
295 $lp_y{0} * $lp_y{1} >= @strings
296 or return wontfit "layout fits too few $laycountshow";
298 print DEBUG " OK $laycountshow\n";
305 print DEBUG "layout $fontsize\n";
307 @numbers_metr = map { $_ * $fontsize } @numbers_1_metr;
308 $gap_width = $gapratio * $fontsize * $nom_gap_1_metr[4];
309 $colgap_width = $gap_width * 2;
310 @texts_metr = map { $_ * $fontsize } @texts_1_metr;
311 @domain_metr = map { $_ * $fontsize } @domain_1_metr;
313 $core_size[0] = $numbers_metr[4] + $gap_width + $texts_metr[4];
315 $core_size[1] = $lineratio * $fontsize;
317 $domain_vsize = $lineratio * $fontsize;
319 return do_layout_recursive_search 0;
324 sub determine_size_layout () {
331 !defined $minsz ? 1 :
332 !defined $maxsz ? $minsz * 4 :
333 sqrt($minsz * $maxsz);
335 my $ok = do_layout $trysz;
337 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
339 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
341 if (defined $maxsz && ($maxsz / $minsz) < 1.01) {
347 $lp_y = do_layout $usesz or die;
350 print DEBUG Dumper($usesz, \@lp_values, \@numbers_metr,
351 \@texts_metr, $gap_width, $colgap_width, \@core_size,
352 \@item_size, \@eff_paper_size,
356 sub prf { printf @_ or die $!; }
358 sub write_output () {
363 for ($cnr[0]=0; $cnr[0]<2; $cnr[0]++) {
364 for ($cnr[1]=0; $cnr[1]<2; $cnr[1]++) {
365 foreach my $cnrc (qw(0 1)) {
367 prf "%s ", $cnr[$_] ? $paperpts[$_] : 0 foreach qw(0 1);
369 prf "%s ", ($cnrc!=$_ ? 0 : $cnr[$_] ? -1 : +1) * $borders[$_]
371 prf "rlineto stroke\n";
375 prf "grestore gsave\n";
376 prf "%s ", $borders[$_] foreach qw(0 1);
378 if ($lp_y->{rotate_paper}) {
380 prf "0 %s translate\n", -$eff_paper_size[1];
382 my $rows = ceil(@strings / $lp_y->{0});
385 $cell_size[0] = ($eff_paper_size[0] + $colgap_width) / $lp_y->{0};
386 $cell_size[1] = ($eff_paper_size[1] +
387 (defined $domain_suffix ? -$domain_vsize : 0)
390 prf "/rightadjust { dup stringwidth pop neg 0 rmoveto } bind def\n";
392 foreach my $nums (qw(1 0)) {
393 prf("%s findfont %s scalefont setfont\n",
394 psstring($nums ? $fontname_num : $fontname),
396 prf "%s setlinewidth\n", $gap_width * 0.1;
397 print DEBUG "nums? $nums rows=$rows\n";
398 foreach my $col (0..$lp_y->{0}-1) {
399 my $col_lhs = $cell_size[0] * $col;
400 if ($col > 0 && $nums) {
401 prf "newpath %s ", $col_lhs - $colgap_width*0.5;
402 prf "%s moveto ", $eff_paper_size[1];
403 prf "0 %s rlineto ", -$cell_size[1] * $rows;
406 foreach my $row (0..$rows-1) {
407 my $se = $strings[$col*$rows + $row];
411 + ($nums ? $numbers_metr[4]
412 : $numbers_metr[4] + $gap_width);
413 prf "%s ", $eff_paper_size[1] - $cell_size[1] * $row
415 prf "moveto %s ", psstring($se->[!$nums]);
419 # prf " gsave 10 10 rlineto stroke grestore\n";
424 if (defined $domain_suffix) {
425 prf "%s 0 moveto", $eff_paper_size[0];
426 prf "%s ", psstring($domain_suffix);
427 prf "rightadjust show\n";
436 determine_size_layout();