+++ /dev/null
-#! /usr/bin/perl -w
-#
-# Convert BDF files to nano-X font files
-# modified by G Haerr from bdftobogl for 16 bit MWIMAGEBITS
-# modified on 2/10/00 by K Harris to accept any size input character
-# modified on 3/26/00 by G Haerr added ascent field, fixed $IMAGE_BITS
-# modified on 2/15/06 by <bernie@develer.com> for DevLib.
-# originally from BOGL - Ben's Own Graphics Library <pfaffben@debian.org>.
-#
-
-use POSIX;
-
-if ($#ARGV < 0) {
- print "Usage: convbdf font.bdf > font.c\n";
- exit -1;
-}
-
-$LAST_CHAR = 0x7e;
-$IMAGE_BITS = 8;
-$IMAGE_NIBBLES = $IMAGE_BITS/4;
-$IMAGE_MASK = 0xff;
-$IMAGE_VERTICAL = 1;
-
-$file = $ARGV[0];
-
-$font = $file;
-$font =~ s/\.bdf//;
-$font =~ tr/a-zA-Z0-9_/_/cs;
-
-print "/* Generated by convbdf on ", substr(`date`, 0, -1), ". */\n";
-print "#include <gfx/font.h>\n\n";
-
-open BDF, "<$file" || die;
-while (<BDF>) {
- chop;
- $pixel_size = $1 if /^PIXEL_SIZE (\d+)$/;
- $font_ascent = $1 if /^FONT_ASCENT (\d+)$/;
- $font_descent = $1 if /^FONT_DESCENT (\d+)$/;
- $font_name = $1 if /^FONT (.*)$/;
- $default_char = $1 if /^DEFAULT_CHAR (\d+)$/;
-
- last if /^CHARS /;
-}
-
-print "/* Font information:\n\n";
-print " name: $font_name\n";
-print " pixel size: $pixel_size\n";
-print " ascent: $font_ascent\n";
-print " descent: $font_descent\n";
-print "*/\n\n";
-
-print "/* Font character bitmap data. */\n";
-print "static const PROGMEM uint8_t font_${font}_glyphs[] = {\n";
-
-$ch_height = $font_ascent + $font_descent;
-$ofs = 0;
-$maxwidth = 0;
-$proportional = 0;
-$firstchar = -1;
-while (<BDF>) {
- chop;
- undef $encoding, undef $width, undef $bbx, undef $bby, undef $bbw, undef $bbh if /^STARTCHAR /;
- $encoding = $1 if /^ENCODING (\d+)/;
- last if defined $encoding && $encoding > $LAST_CHAR;
- $width = $1 if /^DWIDTH (-?\d+)/;
- ($bbw, $bbh, $bbx, $bby) = ($1, $2, $3, $4) if /^BBX (-?\d+) (-?\d+) (-?\d+) (-?\d+)/;
-
- if (/^BITMAP$/) {
- next if !defined $encoding;
- $firstchar = $encoding if $firstchar < 0;
- $encoding_tab[$encoding] = $ofs;
- $width -= $bbx, $bbx = 0 if $bbx < 0;
- $width[$encoding] = $width;
- $maxwidth != 0 and $width != $maxwidth and $proportional = 1;
- $maxwidth = $width if $width > $maxwidth;
- $ch_words = int (($width+$IMAGE_BITS-1)/$IMAGE_BITS);
- $ch_bits = $ch_words*$IMAGE_BITS;
- for (my $i = 0; $i < $ch_height; $i++) {
- for (my $k = 0; $k < $ch_words; $k++) {
- $bm[$i][$k] = 0;
- }
- }
- for (my $i = 0; ; $i++) {
- $_ = <BDF>;
- chop;
- last if /^ENDCHAR$/;
-
- @hexnibbles = split //,$_;
- for (my $k=0; $k<$ch_words; $k++) {
- $ndx = $k*$IMAGE_NIBBLES;
- $padnibbles = @hexnibbles - $ndx;
- # if bbx pushes bits into next word
- # and no more bits from bdf file
- last if $padnibbles <= 0;
- $padnibbles = 0 if $padnibbles >= $IMAGE_NIBBLES;
- $value = hex join '',@hexnibbles[$ndx..($ndx+$IMAGE_NIBBLES-1-$padnibbles)];
- $value = $value << ($padnibbles*$IMAGE_NIBBLES);
- $bm[$ch_height - $font_descent - $bby - $bbh + $i][$k] |=
- $value >> ($bbx);
- if ($bbx) { # handle overflow into next image_word
- $bm[$ch_height - $font_descent - $bby - $bbh + $i][$k+1] =
- ($value << ($IMAGE_BITS - $bbx)) & $IMAGE_MASK;
- }
- }
- }
-
- # GLYPH PREVIEW
-### printf "\n/* Character %c (0x%02x): ", $encoding, $encoding;
- printf "\n/* Character (0x%02x): ", $encoding;
- print "bbw=$bbw, bbh=$bbh, bbx=$bbx, bby=$bby, width=$width */\n";
-
- # GLYPH DATA
- if ($IMAGE_VERTICAL) {
- for (my $x = 0; $x < $width; $x++) {
- my $bitstring = "";
- for (my $k = 0; $k < int(($ch_height + $IMAGE_BITS - 1) / $IMAGE_BITS); $k++) {
- my $v = 0;
- for (my $y = 0; $y < $IMAGE_BITS && ($y + $k * $IMAGE_BITS < $ch_height); ++$y) {
- my $bit = ($bm[$k * $IMAGE_BITS + $y][int($x / $IMAGE_BITS)] & (1 << ($IMAGE_BITS - ($x % $IMAGE_BITS) - 1))) ? 1 : 0;
- $bitstring .= $bit ? '*' : ' ';
- $v |= $bit << $y;
- }
- $ofs++;
- printf "0x%02x, ", $v;
- }
- # Preview
- printf "/* $bitstring */\n";
- }
-
- }
- else { # IMAGE_HORIZONTAL
-
- # Preview
- print " +", ("-" x $ch_bits), "+\n";
- for (my $i = 0; $i < $ch_height; $i++) {
- print " |";
- for (my $k = 0; $k < $ch_words; $k++) {
- for (my $j = $IMAGE_BITS - 1; $j >= 0; $j--) {
- print $bm[$i][$k] & (1 << $j) ? "*" : " ";
- }
- }
- print "|\n";
- }
- print " +", ("-" x $ch_bits), "+ */\n";
-
- for (my $i = 0; $i < $ch_height; $i++) {
- for (my $k=0; $k<$ch_words; $k++) {
- $ofs++;
- printf "0x%02x, ", $bm[$i][$k];
- }
- printf "\n";
- }
- }
- }
-}
-
-print "};\n\n";
-
-#print STDERR "Maximum character width=$maxwidth\n";
-
-if ($proportional) {
- print "/* Character->glyph data. */\n";
- print "static const PROGMEM uint16_t ${font}_offset[] = {\n";
- for (my $i = $firstchar; $i <= $LAST_CHAR; $i++) {
- my $char = $i;
- my $ofs = $encoding_tab[$i];
- $ofs = $encoding_tab[$default_char], $char = $default_char if !defined $ofs;
- ### printf " $ofs,\t/* %c (0x%02x) */\n", $char, $i;
- printf " $ofs,\t/* (0x%02x) */\n", $i;
- }
- print "};\n\n";
-
- print "/* Character width data. */\n";
- print "static const PROGMEM uint8_t ${font}_width[] = {\n";
- for (my $i = $firstchar; $i <= $LAST_CHAR; $i++) {
- my $char = $i;
- my $width = $width[$i];
- $width = $width[$default_char], $char = $default_char if !defined $encoding_tab[$i];
- ### printf " $width,\t/* %c (0x%02x) */\n", $char, $i;
- printf " $width,\t/* (0x%02x) */\n", $i;
- }
- print "};\n\n";
-
- $font_offset = "${font}_offset";
- $font_width = "${font}_width";
-} else {
- $font_offset = "NULL";
- $font_width = "NULL";
-}
-
-$lastchar = $LAST_CHAR;
-#$size = $lastchar - $firstchar + 1;
-
-print <<EOF
-/* Font structure definition. */
-EXTERN_CONST Font font_${font} =
-{
- /* .glyph = */ font_${font}_glyphs,
- /* .name = "$font", */
- /* .width = */ $maxwidth,
- /* .height = */ $ch_height,
- /* .ascent = $font_ascent, */
- /* .first = */ $firstchar,
- /* .last = */ $lastchar,
- /* .offset = */ $font_offset,
- /* .width = */ $font_width,
-};
-EOF
projects / bertos.git / blobdiff