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- #!/usr/bin/perl -w
-
- #
- # Simple convertor from bdf to gd font format.
- #
- # Author: Jan Pazdziora, adelton@fi.muni.cz, http://www.fi.muni.cz/~adelton/
- # at Faculty of Informatics, Masaryk University in Brno, Czech Republic.
- #
- # Example of use:
- # fstobdf -s fontserverhost:7100 -fn 8x16 | ./bdftogd FontLarge gdfontl
- #
-
- use strict;
-
- my $VERSION = '0.60';
- my $now = localtime;
-
- if (@ARGV != 2)
- { die "usage: bdftogd fontname filename, eg. bdftogd FontLarge gdfontl\n"; }
-
- my $gdname = shift;
- $gdname = 'gd' . $gdname unless $gdname =~ /^gd/i;
-
- my $filename = shift;
- $filename = 'gd' . $filename unless $filename =~ /^gd/i;
-
- if (-f "$filename.c") { die "File $filename.c already exists, won't overwrite\n"; }
- if (-f "$filename.h") { die "File $filename.h already exists, won't overwrite\n"; }
-
- my ($width, $height);
- my (@data, @left, @bottom);
- my ($globalleft, $globaltop);
-
- my ($minchar, $maxchar);
-
- my ($copyright, $fontdef);
-
- my $currentchar;
- my $gobitmap = 0;
-
-
- while (<>)
- {
- chomp;
- s/\r$//;
- my ($tag, $value) = split / /, $_, 2;
- die "Font is not fixed width\n"
- if $tag eq 'SPACING' and not $value =~ /[CM]/i;
-
- $currentchar = $value if $tag eq 'ENCODING';
- $minchar = $currentchar if not defined $minchar
- or $currentchar < $minchar;
- $maxchar = $currentchar if not defined $maxchar
- or $currentchar > $maxchar;
-
- if ($tag eq 'ENDCHAR')
- {
- $gobitmap = 0;
- my $bottom = $globaltop - $bottom[$currentchar];
-
-
- if ($bottom > 0)
- { $data[$currentchar] = substr $data[$currentchar], 0, length($data[$currentchar]) - $bottom * $width; }
- else
- { $data[$currentchar] .= '0' x (-$bottom * $width); }
- }
-
- if ($tag eq 'FONTBOUNDINGBOX')
- {
- my ($tag, $wid, $hei, $left, $top) = split / /;
- if (defined $top)
- {
- $globalleft = $left;
- $globaltop = $top;
- $height = $hei;
- $width = $wid;
- }
- }
- if ($tag eq 'FONT' and not defined $fontdef)
- { $fontdef = $value; }
- if ($tag eq 'COPYRIGHT' and not defined $copyright)
- { $copyright = $value; }
-
- if ($tag eq 'BBX')
- {
- my ($tag, $wid, $hei, $left, $bottom) = split / /;
- if (defined $bottom)
- {
- $left[$currentchar] = $left;
- $bottom[$currentchar] = $bottom;
- }
- }
-
- if ($gobitmap)
- {
- my $value = pack 'H*', $_;
- my $bits = unpack 'B*', $value;
- $bits = ('0' x $left[$currentchar]) . $bits;
- $bits .= '0' x ($width - length $bits);
- $bits = substr $bits, 0, $width;
- $data[$currentchar] .= $bits;
- }
-
- if ($tag eq 'BITMAP')
- {
- $gobitmap = 1;
- $data[$currentchar] = '';
- }
- }
-
- my $info = <<"EOF";
- /*
- This is a header file for gd font, generated using
- bdftogd version $VERSION by Jan Pazdziora, adelton\@fi.muni.cz
- from bdf font
- $fontdef
- at $now.
- EOF
-
- if (defined $copyright)
- {
- $info .= <<"EOF";
- The original bdf was holding following copyright:
- $copyright
- */
- EOF
- }
- else
- {
- $info .= <<"EOF";
- No copyright info was found in the original bdf.
- */
- EOF
- }
-
- open FILEC, "> $filename.c" or die "Error writing $filename.c: $!\n";
- open FILEH, "> $filename.h" or die "Error writing $filename.h: $!\n";
- print FILEC <<"EOF";
-
- $info
-
- #include "$filename.h"
-
- char ${gdname}Data[] = {
- EOF
-
- $minchar = 0 unless defined $minchar;
- $maxchar = 255 unless defined $maxchar;
- for (my $i = $minchar; $i <= $maxchar; $i++)
- {
- $data[$i] = '' unless defined $data[$i];
- $data[$i] = '0' x ($width * $height - length $data[$i]) . $data[$i];
-
- print FILEC "/* Char $i */\n";
- for my $line (0 .. $height - 1)
- { print FILEC join ',', split(//, substr($data[$i], $line * $width, $width)), "\n"; }
-
- print FILEC "\n";
-
- next;
-
- for my $line (0 .. $height - 1)
- { print substr($data[$i], $line * $width, $width), "\n"; }
- }
-
- my $capdef = "\U_${filename}_H_";
-
- print FILEC <<"EOF";
-
- };
-
- gdFont ${gdname}Rep = {
- @{[ $maxchar - $minchar + 1]},
- $minchar,
- $width,
- $height,
- ${gdname}Data
- };
-
- gdFontPtr ${gdname} = &${gdname}Rep;
-
- /* This file has not been truncated. */
-
- EOF
-
-
- close FILEC;
-
- print FILEH <<"EOF";
-
- #ifndef $capdef
- #define $capdef 1
-
- $info
-
- #include "gd.h"
-
- extern gdFontPtr $gdname;
-
- #endif
-
- EOF
-
- 1;
-
-