use strict;
our $us = $0; $us =~ s#.*/##;
+use POSIX;
+use Data::Dumper;
+
our $papersize = 'creditcard';
-our $count = 10;
our $fontname = 'Courier';
+our $fontname_num = 'Courier';
+our $gapratio = 1;
+our $lineratio = 1;
+our $blankratio = 1;
+our @borders = (4,4);
+
+our @lp_options = ( [ 'blank-below', 'blank-to-right', ],
+ [ 'landscape', 'portrait' ],
+ [ 'single-column', 'multi-column', ] );
+our @lp_fixed;
our $usage = <<END;
usage: $us [<options>] <foo-mail-pregen> <foo-mail-pregen-opts>...
options:
- -p<papersize> for libpaper, or "creditcard" default is $papersize
- -F<font> font name default is $fontname
+ -p<papersize> for libpaper, or "creditcard" default is $papersize
+ -f[<numberfont>,]<font> font name default is $fontname
+ -b<border>|-b<bx>x<by> all in mm
+ -g<gapratio> number-to-addr gap adjustment
+ -l<lineratio> inter-line space ("leading") adjustment factor
+ -b<blankratio> (blank space size) / (text size)
+ -D debug
END
+foreach my $spec (@lp_options) { $usage .= <<END foreach @$spec; }
+ --$_
+END
+
+open DEBUG, ">/dev/null" or die $!;
+
our @paperpts;
sub badusage () { die "bad usage\n\n$usage"; }
+sub mm2pt { map { $_ * 72.0 / 25.4 } @_; }
+
+sub max {
+ my $r = undef;
+ foreach (@_) {
+ $r = $_ if !defined $r or $_ > $r;
+ }
+ return $r;
+}
+
+sub min {
+ my $r = undef;
+ foreach (@_) {
+ $r = $_ if !defined $r or $_ < $r;
+ }
+ return $r;
+}
+
+my $fontname_re = '[^()\\,]+';
+my $dbl_re = '(?:[0-9]+\.?|[0-9]*\.[0-9]+)';
+
for (;;) {
badusage unless @ARGV;
last unless $ARGV[0] =~ m/^-/;
while (m/^-./) {
if (s/^-p(\w+)$//) {
$papersize = $1;
- } elsif (s/^-n(\d{1,2})$//) {
- $count = 1;
- } elsif (s/^-F([^()\\]+)$//) {
- $fontname = $1;
+ @paperpts = ();
+ } elsif (s/^-p($dbl_re)x($dbl_re)$//o) {
+ $papersize = undef;
+ @paperpts = mm2pt($1,$2);
+ } elsif (s/^-f($fontname_re)$//o) {
+ $fontname = $fontname_num = $1;
+ } elsif (s/^-f($fontname_re),($fontname_re)$//o) {
+ ($fontname_num, $fontname) = ($1, $2);
+ } elsif (s/^-b($dbl_re)$//o) {
+ @borders = ($1,$1);
+ } elsif (s/^-b($dbl_re)x($dbl_re)$//o) {
+ @borders = ($1,$1);
+ } elsif (s/^-l($dbl_re)$//o) {
+ $lineratio = $1;
+ } elsif (s/^-g($dbl_re)$//o) {
+ $gapratio = $1;
+ } elsif (s/^-b($dbl_re)$//o) {
+ $blankratio = $1;
+ } elsif (s/^-D/-/) {
+ open DEBUG, ">&STDERR" or die $!;
} else {
+ if (m/^--([-a-z]+)$/) {
+ my ($lpi) = grep {
+ grep { $1 eq $_ } @{ $lp_options[$_] }
+ } 0..$#lp_options;
+ if (defined $lpi) {
+ $lp_fixed[$lpi] = $1;
+ $_ = '';
+ next;
+ }
+ }
badusage;
}
}
}
-if ($papersize eq 'creditcard') {
- # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
- @paperpts = map { $_ * 72.0 / 25.4 } qw(85.60 53.98);
-} else {
- $!=0; $?=0; my $r = `paperconf -sp $1`;
- defined $r or die "paperconf failed: $? $!\n";
- $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
- @paperpts = ($1,$2);
+if (!@paperpts) {
+ if ($papersize eq 'creditcard') {
+ # ISO/IEC 7810 ID-1, from en.wikipedia.org/wiki/Payment_card
+ @paperpts = mm2pt qw(85.60 53.98);
+ } else {
+ $!=0; $?=0; my $r = `paperconf -sp $1`;
+ defined $r or die "paperconf failed: $? $!\n";
+ $r =~ m/^([0-9.]+) ([0-9.]+)$/ or die "$_ ?";
+ @paperpts = ($1,$2);
+ }
}
+@borders = mm2pt @borders;
+
@ARGV >= 2 or badusage;
our @strings;
-our $nlen = 0;
+sub readstrings () {
+ my $nlen = 0;
+
+ open P, "-|", @ARGV or die $!;
+ while (<P>) {
+ chomp or die;
+ m/^(\d+) (\S+)$/ or die "$_ ?";
+ $nlen = length($1) if length($1) > $nlen;
+ push @strings, [ $1, $2 ];
+ }
+ $!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
+}
+
+our @lp_values;
+our @numbers_metr;
+our @texts_metr;
+our $gap_width;
+our $colgap_width;
+our @core_size;
+our @item_size;
+our $rotate_paper;
+our @eff_paper_size;
-open P, "-|", @ARGV or die $!;
-while (<P>) {
- chomp or die;
- m/^(\d+) (\S+)$/ or die "$_ ?";
- $nlen = length($1) if length($1) > $nlen;
- push @strings, [ $1, $2 ];
+sub wontfit ($) {
+ print DEBUG " NO @_\n";
+ return 0;
}
-$!=0; $?=0; close P or die "$us: generator failed: $! $?\n";
-$_ = sprintf "%${nlen}s %s", @$_ foreach @strings;
+sub psstring ($) {
+ local ($_) = @_;
+ s/[()\\]/\\$&/g;
+ return "($_)";
+}
+
+our @numbers_1_metr;
+our @nom_gap_1_metr;
+our @texts_1_metr;
+
+sub prepare_metrics () {
+ print DEBUG " prepare_metrics\n";
+ my $pchild = open GI, "-|"; defined $pchild or die $!;
+ my @sets =
+ ([ \@numbers_1_metr, $fontname_num, map { $_->[0] } @strings ],
+ [ \@nom_gap_1_metr, $fontname_num, ' ' ],
+ [ \@texts_1_metr, $fontname, map { $_->[1] } @strings ],
+ );
+ if (!$pchild) {
+ foreach my $set (@sets) {
+ my ($ra, $fn, @s) = @$set;
+ print DEBUG " want $fn ",scalar(@s),"\n";
+ printf <<END, psstring($fn) or die $!;
+ %s findfont 10 scalefont setfont
+END
+ printf <<END, psstring($_) or die $! foreach @s;
+ newpath
+ 0 0 moveto
+ %s
+ dup stringwidth pop =
+ true charpath pathbbox = = = =
+END
+ }
+ close STDOUT or die $!;
+ exit 0;
+ }
+ my $gchild = open GO, "-|"; defined $gchild or die $!;
+ if (!$gchild) {
+ open STDIN, "<&GI" or die $!;
+ exec qw(gs -dSAFER -dNOPAUSE -q -dBATCH
+ -sDEVICE=pswrite -sOutputFile=/dev/null
+ -)
+#exec qw(tee sponge)
+ or die "$us: exec gs: $!\n";
+ }
+ foreach my $set (@sets) {
+ my ($ra, $fn, @s) = @$set;
+ my @bb;
+ for (my $count=0; $count < @s; $count++) {
+ my @tbb;
+ foreach my $ix (0..4) {
+ $_ = <GO>; defined or die "gs fail or eof";
+ printf DEBUG " %s (%d,$ix) |%s", $fn, $count, $_;
+ chomp;
+ m/^-?$dbl_re$/o or die "gs $_ ?";
+ push @tbb, $_;
+ }
+ print DEBUG " metrics $fn [$count]: @tbb\n";
+ $bb[0] = min $bb[0], $tbb[4];
+ $bb[1] = min $bb[1], $tbb[3];
+ $bb[2] = max $bb[2], $tbb[2];
+ $bb[3] = max $bb[3], $tbb[1];
+ $bb[4] = max $bb[4], $tbb[0];
+ }
+ print DEBUG " metrics $fn: @bb\n";
+ @$ra = map { $_ * 0.1 } @bb;
+ }
+ $!=0; $?=0; close GO or die "gs $! $?";
+ $!=0; $?=0; close GI or die "gs paste $! $?";
+}
+
+sub do_layout_recursive_search ($);
+sub do_layout_recursive_search ($) {
+ my ($lpi) = @_;
+
+ if ($lpi < @lp_options) {
+ foreach my $v ($lp_fixed[$lpi] or @{ $lp_options[$lpi] }) {
+ $lp_values[$lpi] = $v;
+ my $r = do_layout_recursive_search $lpi+1;
+ return $r if $r;
+ }
+ return 0;
+ }
+
+ print DEBUG " try", (map { sprintf " %-10.10s", $_ } @lp_values), ":";
+
+ my %lp_y;
+ $lp_y{$_} = 1 foreach @lp_values;
+
+ $lp_y{rotate_paper} =
+ ($paperpts[0] > $paperpts[1] # paper looks like landscape
+ xor $lp_y{'landscape'});
+ $eff_paper_size[$_] = $paperpts[$_] - 2.0*$borders[$_] foreach qw(0 1);
+ @eff_paper_size = reverse @eff_paper_size if $lp_y{rotate_paper};
+
+ @item_size = @core_size;
+ my $blank_coord = !!$lp_y{'blank-below'};
+ $item_size[$blank_coord] *= (1.0 + $blankratio);
+
+ foreach my $coord (qw(0 1)) {
+ my $avail = $eff_paper_size[$coord];
+ my $each = $item_size[$coord];
+ if (!$coord) {
+ $each += $colgap_width;
+ $avail += $colgap_width;
+ }
+ $lp_y{$coord} = floor($avail / $each);
+ $lp_y{$coord} >= 1 or return wontfit "cannot fit even one $coord";
+ }
+
+ if ($lp_y{'single-column'}) {
+ $lp_y{0} = 1;
+ } else {
+ $lp_y{0} >= 2
+ or return wontfit "requested multi-column but only one";
+ }
+
+ my $laycountshow = "$lp_y{0} $lp_y{1}";
+
+ $lp_y{0} * $lp_y{1} >= @strings
+ or return wontfit "layout fits too few $laycountshow";
+
+ print DEBUG " OK $laycountshow\n";
+ return \%lp_y;
+}
+
+sub do_layout ($) {
+ my ($fontsize) = @_;
+
+ print DEBUG "layout $fontsize\n";
+
+ @numbers_metr = map { $_ * $fontsize } @numbers_1_metr;
+ $gap_width = $gapratio * $fontsize * $nom_gap_1_metr[4];
+ $colgap_width = $gap_width * 2;
+ @texts_metr = map { $_ * $fontsize } @texts_1_metr;
+
+ $core_size[0] = $numbers_metr[4] + $gap_width + $texts_metr[4];
+
+ $core_size[1] = $lineratio * $fontsize;
+
+ return do_layout_recursive_search 0;
+}
+
+our $lp_y;
+
+sub determine_size_layout () {
+ my $minsz;
+ my $maxsz;
+ my $usesz;
+
+ for (;;) {
+ my $trysz =
+ !defined $minsz ? 1 :
+ !defined $maxsz ? $minsz * 4 :
+ sqrt($minsz * $maxsz);
+
+ my $ok = do_layout $trysz;
+
+ if ($ok) { $minsz = $trysz; } else { $maxsz = $trysz; }
+
+ defined $minsz or die "cannot fit at even at ${trysz}pt\n";
+
+ if (defined $maxsz && ($maxsz / $minsz) < 1.01) {
+ $usesz = $minsz;
+ last;
+ }
+ }
+
+ $lp_y = do_layout $usesz or die;
+ $lp_y->{f} = $usesz;
+
+ print DEBUG Dumper($usesz, \@lp_values, \@numbers_metr,
+ \@texts_metr, $gap_width, $colgap_width, \@core_size,
+ \@item_size, \@eff_paper_size,
+ $lp_y);
+}
+
+sub prf { printf @_ or die $!; }
+
+sub write_output () {
+ prf "%%!\n";
+ my @cnr;
+ my $c;
+ prf "gsave\n";
+ for ($cnr[0]=0; $cnr[0]<2; $cnr[0]++) {
+ for ($cnr[1]=0; $cnr[1]<2; $cnr[1]++) {
+ foreach my $cnrc (qw(0 1)) {
+ prf "newpath ";
+ prf "%s ", $cnr[$_] ? $paperpts[$_] : 0 foreach qw(0 1);
+ prf "moveto ";
+ prf "%s ", ($cnrc!=$_ ? 0 : $cnr[$_] ? -1 : +1) * $borders[$_]
+ foreach qw(0 1);
+ prf "rlineto stroke\n";
+ }
+ }
+ }
+ prf "grestore gsave\n";
+ prf "%s ", $borders[$_] foreach qw(0 1);
+ prf "translate\n";
+ if ($lp_y->{rotate_paper}) {
+ prf "90 rotate\n";
+ prf "0 %s translate\n", -$eff_paper_size[1];
+ }
+ my $rows = ceil(@strings / $lp_y->{0});
+ my @cell_size;
+
+ $cell_size[0] = ($eff_paper_size[0] + $colgap_width) / $lp_y->{0};
+ $cell_size[1] = $eff_paper_size[1] / $rows;
+
+ foreach my $nums (qw(1 0)) {
+ prf("%s findfont %s scalefont setfont\n",
+ psstring($nums ? $fontname_num : $fontname),
+ $lp_y->{f});
+ prf "%s setlinewidth\n", $gap_width * 0.1;
+ print DEBUG "nums? $nums rows=$rows\n";
+ foreach my $col (0..$lp_y->{0}-1) {
+ my $col_lhs = $cell_size[0] * $col;
+ if ($col > 0 && $nums) {
+ prf "newpath %s ", $col_lhs - $colgap_width*0.5;
+ prf "%s moveto ", $eff_paper_size[1];
+ prf "0 %s rlineto ", -$cell_size[1] * $rows;
+ prf "stroke\n";
+ }
+ foreach my $row (0..$rows-1) {
+ my $se = $strings[$col*$rows + $row];
+ next unless $se;
+ prf "newpath ";
+ prf "%s ", $col_lhs
+ + ($nums ? $numbers_metr[4]
+ : $numbers_metr[4] + $gap_width);
+ prf "%s ", $eff_paper_size[1] - $cell_size[1] * $row
+ - $core_size[1];
+ prf "moveto %s ", psstring($se->[!$nums]);
+ if ($nums) {
+ prf "dup stringwidth pop neg 0 rmoveto ";
+ }
+# prf " gsave 10 10 rlineto stroke grestore\n";
+ prf "show\n";
+ }
+ }
+ }
+ prf "grestore\n";
+}
-print $_,"\n" or die $! foreach @strings;
+readstrings();
+prepare_metrics();
+determine_size_layout();
+write_output();
~ijackson / evade-mail-usrlocal.git / blobdiff