From 3835e299be96e952ccea38b37f7e4288705d35c5 Mon Sep 17 00:00:00 2001
From: Rasmus Andersson <rasmus@notion.se>
Date: Thu, 24 Aug 2017 00:43:12 -0700
Subject: Adds tabular numbers. Closes #10

---
 misc/gen-tnum.py | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100755 misc/gen-tnum.py

(limited to 'misc')

diff --git a/misc/gen-tnum.py b/misc/gen-tnum.py
new file mode 100755
index 000000000..627a38354
--- /dev/null
+++ b/misc/gen-tnum.py
@@ -0,0 +1,75 @@
+#!/usr/bin/env python
+# encoding: utf8
+from __future__ import print_function
+import os, sys
+from argparse import ArgumentParser
+from robofab.objects.objectsRF import OpenFont
+from math import ceil, floor
+
+dryRun = False
+numNames = [
+  'zero','one','two','three','four','five','six','seven','eight','nine'
+]
+
+
+def main():
+  argparser = ArgumentParser(
+    description='Generate tabular number glyphs from regular number glyphs')
+
+  argparser.add_argument(
+    '-dry', dest='dryRun', action='store_const', const=True, default=False,
+    help='Do not modify anything, but instead just print what would happen.')
+
+  argparser.add_argument(
+    'fontPaths', metavar='<ufofile>', type=str, nargs='+', help='UFO fonts')
+
+  args = argparser.parse_args()
+  dryRun = args.dryRun
+
+  # Strip trailing slashes from font paths and iterate
+  for fontPath in [s.rstrip('/ ') for s in args.fontPaths]:
+    fontName = os.path.basename(fontPath)
+    font = OpenFont(fontPath)
+
+    # Find widest glyph
+    width = 0
+    for name in numNames:
+      g = font[name]
+      width = max(width, g.width)
+
+    print('[%s] tnums width:' % fontName, width)
+
+    # Create tnum glyphs
+    for name in numNames:
+      g = font[name]
+
+      tnum = font.newGlyph(name + '.tnum')
+      tnum.width = width
+      print('[%s] gen' % fontName, tnum.name)
+
+      # calculate component x-offset
+      xoffs = 0
+      if g.width != width:
+        # center shape, ignoring existing margins
+        # xMin, yMin, xMax, yMax = g.box
+        # graphicWidth = xMax - xMin
+        # leftMargin = round((width - graphicWidth) / 2)
+        # xoffs = leftMargin - g.leftMargin
+
+        # adjust margins
+        widthDelta = width - g.width
+        leftMargin  = g.leftMargin + int(floor(widthDelta / 2))
+        rightMargin = g.rightMargin + int(ceil(widthDelta / 2))
+        xoffs = leftMargin - g.leftMargin
+
+      tnum.appendComponent(name, (xoffs, 0))
+
+    if dryRun:
+      print('[%s] save [dry run]' % fontName)
+    else:
+      print('[%s] save' % fontName)
+      font.save()
+
+
+if __name__ == '__main__':
+  main()
-- 
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