3 our $us = $0; $us =~ s#.*/##;
5 our $papersize = 'creditcard';
6 our $fontname = 'Courier';
7 our $fontname_num = 'Courier';
12 our @lp_options = ( [ 'blank-below', 'blank-to-right', ]
13 [ 'landscape', 'portrait' ],
14 [ 'single-column', 'multi-column', ] );
18 usage: $us [<options>] <foo-mail-pregen> <foo-mail-pregen-opts>...
20 -p<papersize> for libpaper, or "creditcard" default is $papersize
21 -F[<numberfont>,]<font> font name default is $fontname
22 -b<border>|-b<bx>x<by> all in mm
23 -g<gapratio> number-to-addr gap adjustment
24 -b<blankratio> (blank space size) / (text size)
28 open DEBUG, ">/dev/null" or die $!;
32 sub badusage () { die "bad usage\n\n$usage"; }
34 sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
36 my $fontname_re = '[^()\\,]+';
37 my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
40 badusage unless @ARGV;
41 last unless $ARGV[0] =~ m/^-/;
48 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
50 @paperpts = mm2pt($1,$2);
51 } elsif (s/^-F($fontname_re)$//o) {
52 $fontname = $fontname_num = $1;
53 } elsif (s/^-F($fontname_re),($fontname_re)$//o) {
54 ($fontname_num, $fontname) = $1, $2;
55 } elsif (s/^-b($dbl_re)$//o) {
57 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
60 open DEBUG, ">&STDERR" or die $!;
68 if ($papersize eq 'creditcard') {
69 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
70 @paperpts = mm2pt qw(85.60 53.98);
72 $!=0; $?=0; my $r = `paperconf -sp $1`;
73 defined $r or die "paperconf failed: $? $!\n";
74 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
79 @borders = mm2pt @borders;
81 @ARGV >= 2 or badusage;
88 open P, "-|", @ARGV or die $!;
91 m/^(\d+) (\S+)$/ or die "$_ ?";
92 $nlen = length($1) if length($1) > $nlen;
93 push @strings, [ $1, $2 ];
95 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
108 sub do_layout_recursive_search ($) {
111 if ($lpi < @lp_options) {
112 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
113 return if recursive_layout_search $lpi+1
118 print DEBUG " try", (map { sprintf " %-10.10s" $_ }, @lp_values), ":";
121 $lp_y{$_} = 1 foreach @lp_values;
124 ($paperpts[0] > $paperpts[1] # paper looks like landscape
125 xor $lp_y{'landscape'});
126 @eff_paper_size = !$rotate_paper ? @paperpts : reverse @paperpts;
128 @item_size = @core_size;
129 my $blank_coord = !!$lp_y{'blank-below'};
130 $item_size[$blank_coord] *= (1.0 + $blankratio);
132 foreach my $coord (qw(0 1)) {
133 my $avail = $eff_paper_size[$coord] - $borders[$coord] * 2;
134 my $each = $item_size[$coord];
137 $avail += $gap_width;
139 $laycount[$coord] = floor($avail / $each);
140 $laycount[$coord] >= 1 or wontfit "cannot fit even one $coord";
143 if ($lp_y{'single-column'}) {
146 $laycount[0] >= 2 or wontfit "requested multi-column but only one";
149 $laycount[0] * $laycount[1] >= @strings
150 or wontfit "layout fits too few @laycount";
152 print " OK @laycount\n";
159 print DEBUG "layout $fontsize\n";
161 @numbers_bbox = metrics $fontname_num, map { $_->[0] } @strings;
163 my @nom_gap_bbox = metrics $fontname_num, ' ';
164 $gap_width = $gapratio * ($nom_gap_bbox[2] - $nom_gap_bbox[0])
166 @texts_bbox = metrics $fontname map { $_->[1] } @strings;
169 ($numbers_bbox[2] - $numbers_bbox[0]) +
171 ($texts_bbox[2] - $texts_bbox[0]);
174 $numbers_bbox[3] - $numbers_bbox[1],
175 $texts_bbox[3] - $texts_bbox[1];
178 return do_layout_recursive_search 0;
183 sub determine_size_layout () {
189 !defined $minsz ? 1 :
190 !defined $maxsz ? $minsz * 4 :
191 sqrt($minsz * $maxsz);
193 my $ok = do_layout $trysz;
195 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
197 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
199 if (defined $maxsz && ($maxsz / $minsz) < 1.01) {
205 do_layout $usesz or die;
209 determine_size_layout();
212 print DEBUG Dumper($usesz, \@lp_values, \@numbers_bbox,
213 \@texts_bbox, $gap_width, \@core_size,
214 \@item_size, $rotate_paper, \@eff_paper_size, \@laycount);