Add --range option to font-reduce.py.

diff --git a/posts/font-reduce/font-reduce.py b/posts/font-reduce/font-reduce.py
index d4d8c40f32611c95682d548e3fe69d1e2c7728ce..a58befa58032672869590bd0907415b0f281aa66 100755 (executable)
--- a/posts/font-reduce/font-reduce.py
+++ b/posts/font-reduce/font-reduce.py
@@ -30,16 +30,17 @@ import fontforge as _fontforge
 __version__ = '0.1'
 
 
-def convert(input_file, output_file=None, **kwargs):
+def convert(input_file, output_file=None, ranges=[(0x20,0x7e)], **kwargs):
     if output_file is None:
         base,ext = _os_path.splitext(input_file)
         output_file = '{}-reduced.woff'.format(base)
     i = _fontforge.open(input_file)
-    i.selection.select(("ranges",), 0x20, 0x7e)
-    i.copy()
     o = _fontforge.font()
-    o.selection.select(("ranges",), 0x20, 0x7e)
-    o.paste()
+    for start,stop in ranges:
+        i.selection.select(("ranges",), start, stop)
+        i.copy()
+        o.selection.select(("ranges",), start, stop)
+        o.paste()
     for attr in ['comment', 'copyright', 'encoding', 'familyname',
                  'fontname', 'fullname', 'sfntRevision', 'sfnt_names',
                  'userdata', 'version', 'woffMetadata']:
@@ -110,6 +111,10 @@ if __name__ == '__main__':
         '-l', '--license', help='override font license text')
     parser.add_argument(
         '-s', '--source', help='override font source URL')
+    parser.add_argument(
+        '-r', '--range', action='append', default=['0x20,0x7e'],
+        help=('add an additional range of indices to copy to the reduced font '
+              "(e.g '0x7f,0xff')"))
     parser.add_argument(
         '-o', '--output', help='override path to output file')
     parser.add_argument(
@@ -117,6 +122,11 @@ if __name__ == '__main__':
 
     args = parser.parse_args()
 
+    ranges = []
+    for r in args.range:
+        start,stop = [int(x, 0) for x in r.split(',')]
+        ranges.append((start,stop))
+    
     for font in args.font:
-        convert(font, output_file=args.output, license=args.license,
-                source=args.source)
+        convert(font, output_file=args.output, ranges=ranges,
+                license=args.license, source=args.source)