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#!/usr/bin/python
# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ***** END GPL LICENCE BLOCK *****
# --------------------------------------------------------------------------
HELP_TXT = \
'''
Convert BDF pixmap fonts into C++ files Blender can read.
Use to replace bitmap fonts or add new ones.
Usage
python bdf2bmf.py -name=SomeName myfile.bdf
Blender currently supports fonts with a maximum width of 8 pixels.
'''
# -------- Simple BDF parser
import sys
def parse_bdf(f, MAX_CHARS=256):
lines = [l.strip().upper().split() for l in f.readlines()]
is_bitmap = False
dummy = {'BITMAP':[]}
char_data = [dummy.copy() for i in xrange(MAX_CHARS)]
context_bitmap = []
for l in lines:
if l[0]=='ENCODING': enc = int(l[1])
elif l[0]=='BBX': bbx = [int(c) for c in l[1:]]
elif l[0]=='DWIDTH': dwidth = int(l[1])
elif l[0]=='BITMAP': is_bitmap = True
elif l[0]=='ENDCHAR':
if enc < MAX_CHARS:
char_data[enc]['BBX'] = bbx
char_data[enc]['DWIDTH'] = dwidth
char_data[enc]['BITMAP'] = context_bitmap
context_bitmap = []
enc = bbx = None
is_bitmap = False
else:
# None of the above, Ok, were reading a bitmap
if is_bitmap and enc < MAX_CHARS:
context_bitmap.append( int(l[0], 16) )
return char_data
# -------- end simple BDF parser
def bdf2cpp_name(path):
return path.split('.')[0] + '.cpp'
def convert_to_blender(bdf_dict, font_name, origfilename, MAX_CHARS=256):
# first get a global width/height, also set the offsets
xmin = ymin = 10000000
xmax = ymax = -10000000
bitmap_offsets = [-1] * MAX_CHARS
bitmap_tot = 0
for i, c in enumerate(bdf_dict):
if c.has_key('BBX'):
bbx = c['BBX']
xmax = max(bbx[0], xmax)
ymax = max(bbx[1], ymax)
xmin = min(bbx[2], xmin)
ymin = min(bbx[3], ymin)
bitmap_offsets[i] = bitmap_tot
bitmap_tot += len(c['BITMAP'])
c['BITMAP'].reverse()
# Now we can write. Ok if we have no .'s in the path.
f = open(bdf2cpp_name(origfilename), 'w')
f.write('''
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "BMF_FontData.h"
#include "BMF_Settings.h"
''')
f.write('#if BMF_INCLUDE_%s\n\n' % font_name.upper())
f.write('static unsigned char bitmap_data[]= {')
newline = 8
for i, c in enumerate(bdf_dict):
for cdata in c['BITMAP']:
# Just formatting
newline+=1
if newline >= 8:
newline = 0
f.write('\n\t')
# End formatting
f.write('0x%.2hx,' % cdata) # 0x80 <- format
f.write("\n};\n")
f.write("BMF_FontData BMF_font_%s = {\n" % font_name)
f.write('\t%d, %d,\n' % (xmin, ymin))
f.write('\t%d, %d,\n' % (xmax, ymax))
f.write('\t{\n')
for i, c in enumerate(bdf_dict):
if bitmap_offsets[i] == -1 or c.has_key('BBX') == False:
f.write('\t\t{0,0,0,0,0, -1},\n')
else:
bbx = c['BBX']
f.write('\t\t{%d,%d,%d,%d,%d, %d},\n' % (bbx[0], bbx[1], -bbx[2], -bbx[3], c['DWIDTH'], bitmap_offsets[i]))
f.write('''
},
bitmap_data
};
#endif
''')
def main():
# replace "[-name=foo]" with "[-name] [foo]"
args = []
for arg in sys.argv:
for a in arg.replace('=', ' ').split():
args.append(a)
name = 'untitled'
done_anything = False
for i, arg in enumerate(args):
if arg == '-name':
if i==len(args)-1:
print 'no arg given for -name, aborting'
return
else:
name = args[i+1]
elif arg.lower().endswith('.bdf'):
try:
f = open(arg)
print '...Writing to:', bdf2cpp_name(arg)
except:
print 'could not open "%s", aborting' % arg
bdf_dict = parse_bdf(f)
convert_to_blender(bdf_dict, name, arg)
done_anything = True
if not done_anything:
print HELP_TXT
print '...nothing to do'
if __name__ == '__main__':
main()
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