[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [16043] trunk/blender: * Script to convert BDF pixel fonts into C++ files blender can read.

[Campbell Barton]

Revision: 16043
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=16043
Author:   campbellbarton
Date:     2008-08-10 03:38:02 +0200 (Sun, 10 Aug 2008)

Log Message:
-----------
* 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.

Modified Paths:
--------------
    trunk/blender/tools/btools.py

Added Paths:
-----------
    trunk/blender/intern/bmfont/intern/BDF2BMF.py

Added: trunk/blender/intern/bmfont/intern/BDF2BMF.py
===================================================================
--- trunk/blender/intern/bmfont/intern/BDF2BMF.py	                        (rev 0)
+++ trunk/blender/intern/bmfont/intern/BDF2BMF.py	2008-08-10 01:38:02 UTC (rev 16043)
@@ -0,0 +1,177 @@
+#!/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()
+	

Modified: trunk/blender/tools/btools.py
===================================================================
--- trunk/blender/tools/btools.py	2008-08-10 00:26:52 UTC (rev 16042)
+++ trunk/blender/tools/btools.py	2008-08-10 01:38:02 UTC (rev 16043)
@@ -332,6 +332,8 @@
 
         ('BF_X264_CONFIG', 'configuration flags for x264', ''),
         ('BF_XVIDCORE_CONFIG', 'configuration flags for xvidcore', ''),
+        
+        ('BF_CONFIG', 'SCons python config file used to set default options', 'user_config.py'),
 
     ) # end of opts.AddOptions()