3 our $us = $0; $us =~ s#.*/##;
7 our $papersize = 'creditcard';
8 our $fontname = 'Courier';
9 our $fontname_num = 'Courier';
14 our @lp_options = ( [ 'blank-below', 'blank-to-right', ],
15 [ 'landscape', 'portrait' ],
16 [ 'single-column', 'multi-column', ] );
20 usage: $us [<options>] <foo-mail-pregen> <foo-mail-pregen-opts>...
22 -p<papersize> for libpaper, or "creditcard" default is $papersize
23 -F[<numberfont>,]<font> font name default is $fontname
24 -b<border>|-b<bx>x<by> all in mm
25 -g<gapratio> number-to-addr gap adjustment
26 -b<blankratio> (blank space size) / (text size)
30 open DEBUG, ">/dev/null" or die $!;
34 sub badusage () { die "bad usage\n\n$usage"; }
36 sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
41 $r = $_ if !defined $r or $_ > $r;
49 $r = $_ if !defined $r or $_ < $r;
54 my $fontname_re = '[^()\\,]+';
55 my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
58 badusage unless @ARGV;
59 last unless $ARGV[0] =~ m/^-/;
66 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
68 @paperpts = mm2pt($1,$2);
69 } elsif (s/^-F($fontname_re)$//o) {
70 $fontname = $fontname_num = $1;
71 } elsif (s/^-F($fontname_re),($fontname_re)$//o) {
72 ($fontname_num, $fontname) = ($1, $2);
73 } elsif (s/^-b($dbl_re)$//o) {
75 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
78 open DEBUG, ">&STDERR" or die $!;
86 if ($papersize eq 'creditcard') {
87 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
88 @paperpts = mm2pt qw(85.60 53.98);
90 $!=0; $?=0; my $r = `paperconf -sp $1`;
91 defined $r or die "paperconf failed: $? $!\n";
92 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
97 @borders = mm2pt @borders;
99 @ARGV >= 2 or badusage;
106 open P, "-|", @ARGV or die $!;
109 m/^(\d+) (\S+)$/ or die "$_ ?";
110 $nlen = length($1) if length($1) > $nlen;
111 push @strings, [ $1, $2 ];
113 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
127 print DEBUG " NO @_\n";
138 my ($sz, $fn, @s) = @_;
140 print DEBUG " metrics $fn $sz";
141 my $pchild = open GI, "-|"; defined $pchild or die $!;
143 print psstring($fn)," findfont $sz scalefont setfont\n" or die $!;
144 print "0 0 moveto ", psstring($_), " show showpage\n" or die $!
146 close STDOUT or die $!;
149 my $gchild = open GO, "-|"; defined $gchild or die $!;
151 open STDIN, "<&GI" or die $!;
152 open STDERR, ">&STDOUT" or die $!;
153 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH -sDEVICE=bbox -)
154 or die "$us: exec gs: $!\n";
161 m/^\%\%HiResBoundingBox: ($dbl_re) ($dbl_re) ($dbl_re) ($dbl_re)$/
164 $bb[0] = min $bb[0], $tbb[0];
165 $bb[1] = min $bb[1], $tbb[1];
166 $bb[2] = max $bb[2], $tbb[2];
167 $bb[3] = max $bb[3], $tbb[3];
170 print STDERR "$us: warning: gs: $_" or die;
173 $!=0; $?=0; close GO or die "gs $! $?";
174 $!=0; $?=0; close GI or die "gs paste $! $?";
175 die "$count ".scalar(@s) unless $count==@s;
176 print DEBUG " @bb\n";
180 sub do_layout_recursive_search ($);
181 sub do_layout_recursive_search ($) {
184 if ($lpi < @lp_options) {
185 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
186 $lp_values[$lpi] = $v;
187 return 1 if do_layout_recursive_search $lpi+1;
192 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
195 $lp_y{$_} = 1 foreach @lp_values;
198 ($paperpts[0] > $paperpts[1] # paper looks like landscape
199 xor $lp_y{'landscape'});
200 @eff_paper_size = !$rotate_paper ? @paperpts : reverse @paperpts;
202 @item_size = @core_size;
203 my $blank_coord = !!$lp_y{'blank-below'};
204 $item_size[$blank_coord] *= (1.0 + $blankratio);
206 foreach my $coord (qw(0 1)) {
207 my $avail = $eff_paper_size[$coord] - $borders[$coord] * 2;
208 my $each = $item_size[$coord];
211 $avail += $gap_width;
213 $laycount[$coord] = floor($avail / $each);
214 $laycount[$coord] >= 1 or return wontfit "cannot fit even one $coord";
217 if ($lp_y{'single-column'}) {
221 or return wontfit "requested multi-column but only one";
224 $laycount[0] * $laycount[1] >= @strings
225 or return wontfit "layout fits too few @laycount";
227 print DEBUG " OK @laycount\n";
234 print DEBUG "layout $fontsize\n";
236 @numbers_bbox = metrics $fontsize, $fontname_num, map { $_->[0] } @strings;
238 my @nom_gap_bbox = metrics $fontsize, $fontname_num, ' ';
239 $gap_width = $gapratio * ($nom_gap_bbox[2] - $nom_gap_bbox[0]);
241 @texts_bbox = metrics $fontsize, $fontname, map { $_->[1] } @strings;
244 ($numbers_bbox[2] - $numbers_bbox[0]) +
246 ($texts_bbox[2] - $texts_bbox[0]);
249 $numbers_bbox[3] - $numbers_bbox[1],
250 $texts_bbox[3] - $texts_bbox[1];
252 return do_layout_recursive_search 0;
257 sub determine_size_layout () {
263 !defined $minsz ? 1 :
264 !defined $maxsz ? $minsz * 4 :
265 sqrt($minsz * $maxsz);
267 my $ok = do_layout $trysz;
269 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
271 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
273 if (defined $maxsz && ($maxsz / $minsz) < 1.01) {
279 do_layout $usesz or die;
283 determine_size_layout();
286 print DEBUG Dumper($usesz, \@lp_values, \@numbers_bbox,
287 \@texts_bbox, $gap_width, \@core_size,
288 \@item_size, $rotate_paper, \@eff_paper_size, \@laycount);