williams fonts, sound

tools/parsebdf4bit.py

@@ -0,0 +1,71 @@
+#!/usr/bin/python
+
+import sys,string,argparse
+
+#lochar = 0x20 #48
+#hichar = 0x5e #57
+
+parser = argparse.ArgumentParser()
+parser.add_argument('-s', '--start', type=int, default=0, help="index of first character")
+parser.add_argument('-e', '--end', type=int, default=255, help="index of last character")
+parser.add_argument('-i', '--invert', action="store_true", help="invert bits")
+parser.add_argument('-r', '--rotate', action="store_true", help="rotate bits (vertical)")
+parser.add_argument('-f', '--flip', action="store_true", help="flip bits (horizontal)")
+parser.add_argument('bdffile', help="BDF bitmap file")
+args = parser.parse_args()
+
+lochar = args.start
+hichar = args.end
+invert = args.invert
+flip = args.flip
+rotate = args.rotate
+
+def tohex(v):
+    return '%02x'%v
+def tohex2(v):
+    return '0x%02x'%v
+
+chars = {}
+inbitmap = 0
+with open(sys.argv[1],'r') as f:
+    lines = f.readlines()
+    for l in lines:
+        l = l.strip()
+        toks = l.split()
+        #print l,toks
+        if toks[0] == 'ENCODING':
+            chord = int(toks[1])
+        elif toks[0] == 'BITMAP':
+            inbitmap = True
+            bytes = []
+        elif toks[0] == 'BBX':
+            bbx = [int(x) for x in toks[1:]]
+        elif toks[0] == 'ENDCHAR':
+            inbitmap = False
+            if chord >= lochar and chord <= hichar:
+                #bytes.reverse()
+                #print chord,bytes,bbx
+                width = bbx[0]+1
+                height = bbx[1]
+                output = [(width+1)//2 + (width)*16, height + (height+bbx[3])*16]
+                for y in range(0,height):
+                    for x in range(0,width,2):
+                        b = 0
+                        if bytes[y] & (0x80 >> x):
+                            b |= 0xf0
+                        if bytes[y] & (0x40 >> x):
+                            b |= 0x0f
+                        output.append(b)
+                print 'const char CH_%d[] = { %s };' % ( chord, string.join([tohex2(x) for x in output], ',') )
+                chars[chord] = 'CH_%d' % chord
+        elif inbitmap and len(toks) == 1:
+            byte = int(toks[0],16)
+            bytes.append(byte)
+
+print 'const char* const FONT_TABLE[%d] = {' % (hichar-lochar+1),
+for ch in range(lochar, hichar+1):
+    if chars.get(ch):
+        print '%s,' % chars[ch],
+    else:
+        print '0,',
+print "};"