Support more ttf2png options in makefont.py

[libs/gl.git] / scripts / makefont.py

diff --git a/scripts/makefont.py b/scripts/makefont.py
index 84e9c6099dedcf5c0d18e2a02c068f110d4cc813..9a23957130da6920c50bff9cc06e25e63dc89a96 100755 (executable)
--- a/scripts/makefont.py
+++ b/scripts/makefont.py
@@ -23,19 +23,24 @@ def convert_def(fn):
                        result += "\toffset %.3f %.3f;\n"%(float(ox)/fh, float(oy)/fh)
                        result += "\tadvance %.3f;\n"%(float(a)/fh)
                        result += "};\n"
+               elif parts[0]=="kern":
+                       l, r, d = map(int, parts[1:])
+                       result += "kerning %d %d %.3f;\n"%(l, r, float(d)/fh)
 
        return result
 
-def make_font(fn, size):
+def make_font(fn, size, autohinter, margin, padding):
        import maketex
        import os
 
-       if os.system("ttf2png \"%s\" -o makefont-tmp.png -d makefont-tmp.def -t -p -s %d"%(fn, size)):
+       cmd = "ttf2png \"%s\" -o makefont-tmp.png -d makefont-tmp.def -t -p -s %d -m %d -n %d"%(fn, size, margin, padding)
+       if autohinter:
+               cmd += " -a"
+       if os.system(cmd):
                raise Exception("Could not execute ttf2png")
 
        result = "texture\n{\n"
-       result += "wrap CLAMP_TO_EDGE;\n"
-       result += maketex.make_tex("makefont-tmp.png")
+       result += maketex.make_tex("makefont-tmp.png", wrap="CLAMP_TO_EDGE")
        result += "};\n"
        result += convert_def("makefont-tmp.def")
 
@@ -46,10 +51,17 @@ def make_font(fn, size):
 
 if __name__=="__main__":
        import sys
+       import argparse
 
-       if len(sys.argv)<4:
-               import os
-               print "Usage: %s <font.ttf> <outfile> <size>"%os.path.basename(sys.argv[0])
-       else:
-               out = file(sys.argv[2], "w")
-               out.write(make_font(sys.argv[1], int(sys.argv[3])))
+       parser = argparse.ArgumentParser()
+       parser.add_argument("-s", "--size", default=10, type=int, metavar="NUM", help="Font size in pixels")
+       parser.add_argument("-a", "--autohinter", action="store_const", const=True, default=False, help="Force autohinter")
+       parser.add_argument("-m", "--margin", default=0, type=int, metavar="NUM", help="Margin around image edge in pixels")
+       parser.add_argument("-n", "--padding", default=1, type=int, metavar="NUM", help="Padding between glyphs in pixels")
+       parser.add_argument("ttf", metavar="font.ttf", help="TrueType file to read")
+       parser.add_argument("outfile", help="MspGL font file to write")
+
+       args = parser.parse_args()
+
+       out = file(args.outfile, "w")
+       out.write(make_font(args.ttf, args.size, args.autohinter, args.margin, args.padding))