scripts/makefont.py

   1 #!/usr/bin/python
   2
   3 def convert_def(fn):
   4         src = file(fn)
   5
   6         for line in src.readlines():
   7                 line = line.strip()
   8                 if not line or line[0]=='#':
   9                         continue
  10
  11                 parts = line.split()
  12
  13                 if parts[0]=="font":
  14                         tw, th, fh, fa, fd = map(int, parts[1:])
  15                         result = "native_size %d;\n"%fh
  16                         result += "ascent %.3f;\n"%(float(fa)/fh)
  17                         result += "descent %.3f;\n"%(float(fd)/fh)
  18                 elif parts[0]=="glyph":
  19                         g, x, y, w, h, ox, oy, a = map(int, parts[1:])
  20                         result += "glyph %d\n{\n"%g
  21                         result += "\ttexcoords %f %f %f %f;\n"%(float(x)/tw, float(th-y-h)/th, float(x+w)/tw, float(th-y)/th)
  22                         result += "\tsize %.3f %.3f;\n"%(float(w)/fh, float(h)/fh)
  23                         result += "\toffset %.3f %.3f;\n"%(float(ox)/fh, float(oy)/fh)
  24                         result += "\tadvance %.3f;\n"%(float(a)/fh)
  25                         result += "};\n"
  26                 elif parts[0]=="kern":
  27                         l, r, d = map(int, parts[1:])
  28                         result += "kerning %d %d %.3f;\n"%(l, r, float(d)/fh)
  29
  30         return result
  31
  32 def make_font(fn, size):
  33         import maketex
  34         import os
  35
  36         if os.system("ttf2png \"%s\" -o makefont-tmp.png -d makefont-tmp.def -t -p -s %d"%(fn, size)):
  37                 raise Exception("Could not execute ttf2png")
  38
  39         result = "texture\n{\n"
  40         result += "wrap CLAMP_TO_EDGE;\n"
  41         result += maketex.make_tex("makefont-tmp.png")
  42         result += "};\n"
  43         result += convert_def("makefont-tmp.def")
  44
  45         os.unlink("makefont-tmp.png")
  46         os.unlink("makefont-tmp.def")
  47
  48         return result
  49
  50 if __name__=="__main__":
  51         import sys
  52
  53         if len(sys.argv)<4:
  54                 import os
  55                 print "Usage: %s <font.ttf> <outfile> <size>"%os.path.basename(sys.argv[0])
  56         else:
  57                 out = file(sys.argv[2], "w")
  58                 out.write(make_font(sys.argv[1], int(sys.argv[3])))