added changefeature.py

fontcreator/scripts/changefeature.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+# changes feature in the otf font!
+# arg1 => font
+# arg2 => feature_file
+
+import fontforge
+import sys
+
+TMP_FONT = "/tmp/temp.sfd"
+
+def main():
+    if len(sys.argv) != 3:
+        usage()
+        sys.exit(1)
+    featureChange(sys.argv[1], sys.argv[2])
+
+def featureChange(Font, Feature):
+    font1 = fontforge.open(Font)
+    font1.save(TMP_FONT)
+    font = fontforge.open(TMP_FONT)
+    for l in font.gsub_lookups:
+        font.removeLookup(l)
+    font.mergeFeature(Feature)
+    font.generate('crazy_feature.ttf')
+
+def usage():
+    print "\nUSAGE: ", sys.argv[0], ' font_file feature_file\n'
+
+if __name__ == '__main__':
+    main()