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 open DEBUG, ">/dev/null" or die $!;
37 sub badusage () { die "bad usage\n\n$usage"; }
39 sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
44 $r = $_ if !defined $r or $_ > $r;
52 $r = $_ if !defined $r or $_ < $r;
57 my $fontname_re = '[^()\\,]+';
58 my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
61 badusage unless @ARGV;
62 last unless $ARGV[0] =~ m/^-/;
69 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
71 @paperpts = mm2pt($1,$2);
72 } elsif (s/^-F($fontname_re)$//o) {
73 $fontname = $fontname_num = $1;
74 } elsif (s/^-F($fontname_re),($fontname_re)$//o) {
75 ($fontname_num, $fontname) = ($1, $2);
76 } elsif (s/^-b($dbl_re)$//o) {
78 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
80 } elsif (s/^-l($dbl_re)$//o) {
82 } elsif (s/^-g($dbl_re)$//o) {
84 } elsif (s/^-b($dbl_re)$//o) {
87 open DEBUG, ">&STDERR" or die $!;
95 if ($papersize eq 'creditcard') {
96 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
97 @paperpts = mm2pt qw(85.60 53.98);
99 $!=0; $?=0; my $r = `paperconf -sp $1`;
100 defined $r or die "paperconf failed: $? $!\n";
101 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
106 @borders = mm2pt @borders;
108 @ARGV >= 2 or badusage;
115 open P, "-|", @ARGV or die $!;
118 m/^(\d+) (\S+)$/ or die "$_ ?";
119 $nlen = length($1) if length($1) > $nlen;
120 push @strings, [ $1, $2 ];
122 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
136 print DEBUG " NO @_\n";
150 sub prepare_metrics () {
151 print DEBUG " prepare_metrics\n";
152 my $pchild = open GI, "-|"; defined $pchild or die $!;
154 ([ \@numbers_1_metr, $fontname_num, map { $_->[0] } @strings ],
155 [ \@nom_gap_1_metr, $fontname_num, ' ' ],
156 [ \@texts_1_metr, $fontname, map { $_->[1] } @strings ],
159 foreach my $set (@sets) {
160 my ($ra, $fn, @s) = @$set;
161 print DEBUG " want $fn ",scalar(@s),"\n";
162 printf <<END, psstring($fn) or die $!;
163 %s findfont 10 scalefont setfont
165 printf <<END, psstring($_) or die $! foreach @s;
169 dup stringwidth pop =
170 true charpath pathbbox = = = =
173 close STDOUT or die $!;
176 my $gchild = open GO, "-|"; defined $gchild or die $!;
178 open STDIN, "<&GI" or die $!;
179 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH
180 -sDEVICE=pswrite -sOutputFile=/dev/null
183 or die "$us: exec gs: $!\n";
185 foreach my $set (@sets) {
186 my ($ra, $fn, @s) = @$set;
188 for (my $count=0; $count < @s; $count++) {
190 foreach my $ix (0..4) {
191 $_ = <GO>; defined or die "gs fail or eof";
192 printf DEBUG " %s (%d,$ix) |%s", $fn, $count, $_;
194 m/^-?$dbl_re$/o or die "gs $_ ?";
197 print DEBUG " metrics $fn [$count]: @tbb\n";
198 $bb[0] = min $bb[0], $tbb[4];
199 $bb[1] = min $bb[1], $tbb[3];
200 $bb[2] = max $bb[2], $tbb[2];
201 $bb[3] = max $bb[3], $tbb[1];
202 $bb[4] = max $bb[4], $tbb[0];
204 print DEBUG " metrics $fn: @bb\n";
205 @$ra = map { $_ * 0.1 } @bb;
207 $!=0; $?=0; close GO or die "gs $! $?";
208 $!=0; $?=0; close GI or die "gs paste $! $?";
211 sub do_layout_recursive_search ($);
212 sub do_layout_recursive_search ($) {
215 if ($lpi < @lp_options) {
216 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
217 $lp_values[$lpi] = $v;
218 return 1 if do_layout_recursive_search $lpi+1;
223 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
226 $lp_y{$_} = 1 foreach @lp_values;
229 ($paperpts[0] > $paperpts[1] # paper looks like landscape
230 xor $lp_y{'landscape'});
231 @eff_paper_size = !$rotate_paper ? @paperpts : reverse @paperpts;
233 @item_size = @core_size;
234 my $blank_coord = !!$lp_y{'blank-below'};
235 $item_size[$blank_coord] *= (1.0 + $blankratio);
237 foreach my $coord (qw(0 1)) {
238 my $avail = $eff_paper_size[$coord] - $borders[$coord] * 2;
239 my $each = $item_size[$coord];
242 $avail += $gap_width;
244 $laycount[$coord] = floor($avail / $each);
245 $laycount[$coord] >= 1 or return wontfit "cannot fit even one $coord";
248 if ($lp_y{'single-column'}) {
252 or return wontfit "requested multi-column but only one";
255 $laycount[0] * $laycount[1] >= @strings
256 or return wontfit "layout fits too few @laycount";
258 print DEBUG " OK @laycount\n";
265 print DEBUG "layout $fontsize\n";
267 @numbers_metr = map { $_ * $fontsize } @numbers_1_metr;
268 $gap_width = $gapratio * $fontsize * $nom_gap_1_metr[4];
269 @texts_metr = map { $_ * $fontsize } @texts_1_metr;
271 $core_size[0] = $numbers_metr[4] + $gap_width + $texts_metr[4];
273 $core_size[1] = $lineratio * $fontsize;
275 return do_layout_recursive_search 0;
280 sub determine_size_layout () {
286 !defined $minsz ? 1 :
287 !defined $maxsz ? $minsz * 4 :
288 sqrt($minsz * $maxsz);
290 my $ok = do_layout $trysz;
292 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
294 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
296 if (defined $maxsz && ($maxsz / $minsz) < 1.01) {
302 do_layout $usesz or die;
304 print DEBUG Dumper($usesz, \@lp_values, \@numbers_metr,
305 \@texts_metr, $gap_width, \@core_size,
306 \@item_size, $rotate_paper, \@eff_paper_size,
312 determine_size_layout();