forked from bartvdbraak/blender
* Script to convert BDF pixel fonts into C++ files blender can read. - Amiga bitmap font example http://download.blender.org/ftp/incoming/bitmap.png
* BF_CONFIG was missing from SCons help menu.
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Campbell Barton
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intern/bmfont/intern/BDF2BMF.py
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177
intern/bmfont/intern/BDF2BMF.py
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#!/usr/bin/python
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# ***** BEGIN GPL LICENSE BLOCK *****
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ***** END GPL LICENCE BLOCK *****
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# --------------------------------------------------------------------------
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HELP_TXT = \
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'''
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Convert BDF pixmap fonts into C++ files Blender can read.
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Use to replace bitmap fonts or add new ones.
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Usage
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python bdf2bmf.py -name=SomeName myfile.bdf
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Blender currently supports fonts with a maximum width of 8 pixels.
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'''
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# -------- Simple BDF parser
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import sys
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def parse_bdf(f, MAX_CHARS=256):
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lines = [l.strip().upper().split() for l in f.readlines()]
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is_bitmap = False
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dummy = {'BITMAP':[]}
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char_data = [dummy.copy() for i in xrange(MAX_CHARS)]
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context_bitmap = []
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for l in lines:
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if l[0]=='ENCODING': enc = int(l[1])
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elif l[0]=='BBX': bbx = [int(c) for c in l[1:]]
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elif l[0]=='DWIDTH': dwidth = int(l[1])
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elif l[0]=='BITMAP': is_bitmap = True
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elif l[0]=='ENDCHAR':
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if enc < MAX_CHARS:
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char_data[enc]['BBX'] = bbx
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char_data[enc]['DWIDTH'] = dwidth
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char_data[enc]['BITMAP'] = context_bitmap
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context_bitmap = []
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enc = bbx = None
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is_bitmap = False
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else:
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# None of the above, Ok, were reading a bitmap
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if is_bitmap and enc < MAX_CHARS:
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context_bitmap.append( int(l[0], 16) )
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return char_data
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# -------- end simple BDF parser
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def bdf2cpp_name(path):
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return path.split('.')[0] + '.cpp'
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def convert_to_blender(bdf_dict, font_name, origfilename, MAX_CHARS=256):
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# first get a global width/height, also set the offsets
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xmin = ymin = 10000000
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xmax = ymax = -10000000
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bitmap_offsets = [-1] * MAX_CHARS
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bitmap_tot = 0
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for i, c in enumerate(bdf_dict):
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if c.has_key('BBX'):
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bbx = c['BBX']
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xmax = max(bbx[0], xmax)
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ymax = max(bbx[1], ymax)
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xmin = min(bbx[2], xmin)
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ymin = min(bbx[3], ymin)
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bitmap_offsets[i] = bitmap_tot
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bitmap_tot += len(c['BITMAP'])
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c['BITMAP'].reverse()
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# Now we can write. Ok if we have no .'s in the path.
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f = open(bdf2cpp_name(origfilename), 'w')
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f.write('''
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "BMF_FontData.h"
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#include "BMF_Settings.h"
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''')
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f.write('#if BMF_INCLUDE_%s\n\n' % font_name.upper())
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f.write('static unsigned char bitmap_data[]= {')
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newline = 8
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for i, c in enumerate(bdf_dict):
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for cdata in c['BITMAP']:
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# Just formatting
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newline+=1
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if newline >= 8:
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newline = 0
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f.write('\n\t')
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# End formatting
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f.write('0x%.2hx,' % cdata) # 0x80 <- format
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f.write("\n};\n")
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f.write("BMF_FontData BMF_font_%s = {\n" % font_name)
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f.write('\t%d, %d,\n' % (xmin, ymin))
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f.write('\t%d, %d,\n' % (xmax, ymax))
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f.write('\t{\n')
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for i, c in enumerate(bdf_dict):
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if bitmap_offsets[i] == -1 or c.has_key('BBX') == False:
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f.write('\t\t{0,0,0,0,0, -1},\n')
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else:
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bbx = c['BBX']
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f.write('\t\t{%d,%d,%d,%d,%d, %d},\n' % (bbx[0], bbx[1], -bbx[2], -bbx[3], c['DWIDTH'], bitmap_offsets[i]))
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f.write('''
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},
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bitmap_data
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};
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#endif
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''')
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def main():
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# replace "[-name=foo]" with "[-name] [foo]"
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args = []
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for arg in sys.argv:
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for a in arg.replace('=', ' ').split():
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args.append(a)
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name = 'untitled'
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done_anything = False
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for i, arg in enumerate(args):
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if arg == '-name':
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if i==len(args)-1:
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print 'no arg given for -name, aborting'
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return
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else:
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name = args[i+1]
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elif arg.lower().endswith('.bdf'):
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try:
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f = open(arg)
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print '...Writing to:', bdf2cpp_name(arg)
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except:
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print 'could not open "%s", aborting' % arg
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bdf_dict = parse_bdf(f)
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convert_to_blender(bdf_dict, name, arg)
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done_anything = True
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if not done_anything:
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print HELP_TXT
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print '...nothing to do'
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if __name__ == '__main__':
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main()
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@ -332,6 +332,8 @@ def read_opts(cfg, args):
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('BF_X264_CONFIG', 'configuration flags for x264', ''),
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('BF_XVIDCORE_CONFIG', 'configuration flags for xvidcore', ''),
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('BF_CONFIG', 'SCons python config file used to set default options', 'user_config.py'),
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) # end of opts.AddOptions()
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