3 our $us = $0; $us =~ s#.*/##;
8 our $papersize = 'creditcard';
9 our $fontname = 'Courier';
10 our $fontname_num = 'Courier';
15 our @lp_options = ( [ 'blank-below', 'blank-to-right', ],
16 [ 'landscape', 'portrait' ],
17 [ 'single-column', 'multi-column', ] );
21 usage: $us [<options>] <foo-mail-pregen> <foo-mail-pregen-opts>...
23 -p<papersize> for libpaper, or "creditcard" default is $papersize
24 -F[<numberfont>,]<font> font name default is $fontname
25 -b<border>|-b<bx>x<by> all in mm
26 -g<gapratio> number-to-addr gap adjustment
27 -b<blankratio> (blank space size) / (text size)
31 open DEBUG, ">/dev/null" or die $!;
35 sub badusage () { die "bad usage\n\n$usage"; }
37 sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
42 $r = $_ if !defined $r or $_ > $r;
50 $r = $_ if !defined $r or $_ < $r;
55 my $fontname_re = '[^()\\,]+';
56 my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
59 badusage unless @ARGV;
60 last unless $ARGV[0] =~ m/^-/;
67 } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
69 @paperpts = mm2pt($1,$2);
70 } elsif (s/^-F($fontname_re)$//o) {
71 $fontname = $fontname_num = $1;
72 } elsif (s/^-F($fontname_re),($fontname_re)$//o) {
73 ($fontname_num, $fontname) = ($1, $2);
74 } elsif (s/^-b($dbl_re)$//o) {
76 } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
79 open DEBUG, ">&STDERR" or die $!;
87 if ($papersize eq 'creditcard') {
88 # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
89 @paperpts = mm2pt qw(85.60 53.98);
91 $!=0; $?=0; my $r = `paperconf -sp $1`;
92 defined $r or die "paperconf failed: $? $!\n";
93 $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
98 @borders = mm2pt @borders;
100 @ARGV >= 2 or badusage;
107 open P, "-|", @ARGV or die $!;
110 m/^(\d+) (\S+)$/ or die "$_ ?";
111 $nlen = length($1) if length($1) > $nlen;
112 push @strings, [ $1, $2 ];
114 $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
128 print DEBUG " NO @_\n";
142 sub prepare_metrics () {
143 print DEBUG " prepare_metrics\n";
144 my $pchild = open GI, "-|"; defined $pchild or die $!;
146 ([ \@numbers_1_bbox, $fontname_num, map { $_->[0] } @strings ],
147 [ \@nom_gap_1_bbox, $fontname_num, 'x' ],
148 [ \@texts_1_bbox, $fontname, map { $_->[1] } @strings ],
151 foreach my $set (@sets) {
152 my ($ra, $fn, @s) = @$set;
153 print DEBUG " want $fn ",scalar(@s),"\n";
154 print psstring($fn)," findfont 10 scalefont setfont\n" or die $!;
155 print "0 0 moveto ", psstring($_), " show showpage\n" or die $!
158 close STDOUT or die $!;
161 my $gchild = open GO, "-|"; defined $gchild or die $!;
163 open STDIN, "<&GI" or die $!;
164 open STDERR, ">&STDOUT" or die $!;
165 exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH -sDEVICE=bbox -)
166 or die "$us: exec gs: $!\n";
168 foreach my $set (@sets) {
169 my ($ra, $fn, @s) = @$set;
171 for (my $count=0; $count < @s; $count++) {
172 $_ = <GO>; defined or die "gs fail or eof";
173 printf DEBUG " %s (%d) |%s", $fn, $count, $_;
175 m/^\%\%HiResBoundingBox: ($dbl_re) ($dbl_re) ($dbl_re) ($dbl_re)$/
177 $bb[0] = min $bb[0], $tbb[0];
178 $bb[1] = min $bb[1], $tbb[1];
179 $bb[2] = max $bb[2], $tbb[2];
180 $bb[3] = max $bb[3], $tbb[3];
183 print STDERR "$us: warning: gs: $_" or die;
186 print DEBUG " metrics $fn @bb\n";
187 @$ra = map { $_ * 0.1 } @bb;
189 $!=0; $?=0; close GO or die "gs $! $?";
190 $!=0; $?=0; close GI or die "gs paste $! $?";
193 sub do_layout_recursive_search ($);
194 sub do_layout_recursive_search ($) {
197 if ($lpi < @lp_options) {
198 foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
199 $lp_values[$lpi] = $v;
200 return 1 if do_layout_recursive_search $lpi+1;
205 print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
208 $lp_y{$_} = 1 foreach @lp_values;
211 ($paperpts[0] > $paperpts[1] # paper looks like landscape
212 xor $lp_y{'landscape'});
213 @eff_paper_size = !$rotate_paper ? @paperpts : reverse @paperpts;
215 @item_size = @core_size;
216 my $blank_coord = !!$lp_y{'blank-below'};
217 $item_size[$blank_coord] *= (1.0 + $blankratio);
219 foreach my $coord (qw(0 1)) {
220 my $avail = $eff_paper_size[$coord] - $borders[$coord] * 2;
221 my $each = $item_size[$coord];
224 $avail += $gap_width;
226 $laycount[$coord] = floor($avail / $each);
227 $laycount[$coord] >= 1 or return wontfit "cannot fit even one $coord";
230 if ($lp_y{'single-column'}) {
234 or return wontfit "requested multi-column but only one";
237 $laycount[0] * $laycount[1] >= @strings
238 or return wontfit "layout fits too few @laycount";
240 print DEBUG " OK @laycount\n";
247 print DEBUG "layout $fontsize\n";
249 @numbers_bbox = map { $_ * $fontsize } @numbers_1_bbox;
250 $gap_width = $gapratio * $fontsize *
251 ($nom_gap_1_bbox[2] - $nom_gap_1_bbox[0]);
252 @texts_bbox = map { $_ * $fontsize } @texts_1_bbox;
255 ($numbers_bbox[2] - $numbers_bbox[0]) +
257 ($texts_bbox[2] - $texts_bbox[0]);
260 $numbers_bbox[3] - $numbers_bbox[1],
261 $texts_bbox[3] - $texts_bbox[1];
263 return do_layout_recursive_search 0;
268 sub determine_size_layout () {
274 !defined $minsz ? 1 :
275 !defined $maxsz ? $minsz * 4 :
276 sqrt($minsz * $maxsz);
278 my $ok = do_layout $trysz;
280 if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
282 defined $minsz or die "cannot fit at even at ${trysz}pt\n";
284 if (defined $maxsz && ($maxsz / $minsz) < 1.01) {
290 do_layout $usesz or die;
292 print DEBUG Dumper($usesz, \@lp_values, \@numbers_bbox,
293 \@texts_bbox, $gap_width, \@core_size,
294 \@item_size, $rotate_paper, \@eff_paper_size,
300 determine_size_layout();