vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

2006-03-30 Vesa Jaaskelainen <chaac@nic.fi>

Browse source 
* font/manager.c (grub_font_get_glyph): Removed font fixup from
        here...

        * util/unifont2pff.rb: ... and moved it to here.  Improved argument
        parsing to support both hex and dec ranges.  If filename was missing
        show usage information.
This commit is contained in:
chaac 2006-03-31 13:32:52 +00:00
parent bd0d7896cf
commit c2379b9c31
3 changed files with 34 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

25
util/unifont2pff.rb
View file

@ -15,18 +15,26 @@
MAGIC = "PPF\x7f"
def usage(status = 0)
puts "Usage: ruby unifont2pff.rb [RANGE...] FILE"
puts "Usage: ruby unifont2pff.rb [RANGE ...] FILE"
exit(status)
end
if ARGV.length == 0
usage(1)
end
file = ARGV.pop
ranges = []
ARGV.each do |range|
if /\A([0-9a-fA-F]+):([0-9a-fA-F]+)\z/ =~ range
if /\A0x([0-9a-fA-F]+)[:-]0x([0-9a-fA-F]+)\z/ =~ range
ranges << [$1.hex, $2.hex]
elsif /\A([0-9a-fA-F]+)\z/ =~ range
elsif /\A0x([0-9a-fA-F]+)\z/ =~ range
ranges << [$1.hex, $1.hex]
elsif /\A([0-9]+)[:-]([0-9]+)\z/ =~ range
ranges << [$1.to_i, $2.to_i]
elsif /\A([0-9]+)\z/ =~ range
ranges << [$1.to_i, $1.to_i]
else
usage(1)
end
@ -54,6 +62,17 @@ IO.foreach(file) do |line|
raise "invalid bitmap size: #{bitmap}"
end
# Fix byte ordering
w = (bitmap.size / 32)
temp = Array.new
for y in 0...16
for x in 0...w
temp[(y * w + x) * 2 + 0] = bitmap[(x * 16 + y) * 2 + 0].chr
temp[(y * w + x) * 2 + 1] = bitmap[(x * 16 + y) * 2 + 1].chr
end
end
bitmap = temp.to_s
fonts << [code, bitmap]
else
raise "invalid line format: #{line}"