Add script for post-production touch up of fonts

Also update to touched up Roboto and Roboto Condensed fonts.

1 files changed, 38 insertions, 0 deletions

diff --git a/scripts/final_touchup.py b/scripts/final_touchup.py
new file mode 100755
index 0000000..5e02070
--- /dev/null
+++ b/scripts/final_touchup.py
@@ -0,0 +1,38 @@
+#!/usr/bin/python
+"""Post-build touch ups for Roboto."""
+
+from os import path
+import sys
+
+from fontTools import ttLib
+
+
+def correct_font(source_font_name, target_font_name):
+    """Corrects metrics and other meta information."""
+    font = ttLib.TTFont(source_font_name)
+    
+    head = font['head']
+    head.yMax = 2163
+    head.yMin = -555
+    
+    hhea = font['hhea']
+    hhea.ascent = 1900
+    hhea.descent = -500
+    hhea.lineGap = 0
+    
+    basename = path.basename(source_font_name)
+    bold = ('Bold' in basename) or ('Black' in basename)
+    italic = 'Italic' in basename
+    head.macStyle = (italic << 1) | bold
+    
+    font.save(target_font_name)
+
+
+def main(argv):
+    """Correct all fonts specified in the command line."""
+    for font_name in argv[1:]:
+        correct_font(font_name, path.basename(font_name))
+
+
+if __name__ == "__main__":
+    main(sys.argv)