display: round all kerning values to integers

1 files changed, 45 insertions, 0 deletions

diff --git a/misc/tools/round-kerning-in-glyphs-file.py b/misc/tools/round-kerning-in-glyphs-file.py
new file mode 100644
index 000000000..e2a6d8dde
--- /dev/null
+++ b/misc/tools/round-kerning-in-glyphs-file.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# encoding: utf8
+__doc__ = """
+Rounds all kerning values in a Glyphs file to integers
+"""
+import os, sys, re
+
+pat = re.compile(r'(.*=\s*)(\-?\d[\d\.]*);\n')
+file = sys.argv[1]
+outlines = []
+count = 0
+
+with open(file, "r") as f:
+  print(f)
+  level = 0
+  done = False
+  for lineno, line in enumerate(f):
+    if not done:
+      if level == 0:
+        if line == "kerning = {\n":
+          print("BEGIN at line", lineno)
+          level = 1
+      else:
+        if line.find("{") != -1:
+          level += 1
+        if line.find("}") != -1:
+          level -= 1
+        m = pat.match(line)
+        if m is not None:
+          val = m.group(2)
+          val2 = str(int(float(val)))
+          line = m.group(1) + val2 + ";\n"
+          if val != val2:
+            count += 1
+        if level == 0:
+          print("END at line", lineno)
+          done = True
+    outlines.append(line)
+
+if count == 0:
+  print("all kerning values in %s are integers (no change)" % file)
+else:
+  print("rounded %r kerning values in %s" % (count, file))
+  with open(file, "w") as f:
+    f.write("".join(outlines))