Add targets and scripts for web fonts.

1 files changed, 53 insertions, 0 deletions

diff --git a/scripts/subset_for_web.py b/scripts/subset_for_web.py
new file mode 100644
index 0000000..e100dfc
--- /dev/null
+++ b/scripts/subset_for_web.py
@@ -0,0 +1,53 @@
+#!/usr/bin/python
+#
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Subset for web fonts."""
+
+__author__ = 'roozbeh@google.com (Roozbeh Pournader)'
+
+import sys
+
+from nototools import subset
+
+
+def read_charlist(filename):
+    """Returns a list of characters read from a charset text file."""
+    with open(filename) as datafile:
+        charlist = []
+        for line in datafile:
+            if '#' in line:
+                line = line[:line.index('#')]
+            line = line.strip()
+            if not line:
+                continue
+            if line.startswith('U+'):
+                line = line[2:]
+            char = int(line, 16)
+            charlist.append(char)
+        return charlist
+
+
+def main(argv):
+    """Subset the first argument to second, dropping unused parts of the font.
+    """
+    charlist = read_charlist('res/web_charset.txt')
+    # Add private use characters for legacy reasons
+    charlist += [0xEE01, 0xEE02, 0xF6C3]
+    subset.subset_font(argv[1], argv[2], include=charlist)
+
+
+if __name__ == '__main__':
+    main(sys.argv)