allow to pass 'round' parameter in ttGlyphPen, optimize for noRound

Lib/fontTools/pens/ttGlyphPen.py

@@ -1,5 +1,5 @@
 from array import array
-from typing import Any, Dict, Optional, Tuple
+from typing import Any, Callable, Dict, Optional, Tuple
 from fontTools.misc.fixedTools import MAX_F2DOT14, floatToFixedToFloat
 from fontTools.misc.loggingTools import LogMixin
 from fontTools.pens.pointPen import AbstractPointPen
@@ -131,7 +131,8 @@ class _TTGlyphBasePen:
         self,
         componentFlags: int = 0x04,
         dropImpliedOnCurves: bool = False,
-        roundCoordinates: bool = True,
+        *,
+        round: Callable[[float], int] = otRound,
     ) -> Glyph:
         """
         Returns a :py:class:`~._g_l_y_f.Glyph` object representing the glyph.
@@ -162,8 +163,7 @@ class _TTGlyphBasePen:
             glyph.program.fromBytecode(b"")
             if dropImpliedOnCurves:
                 dropImpliedOnCurvePoints(glyph)
-            if roundCoordinates:
-                glyph.coordinates.toInt()
+            glyph.coordinates.toInt(round=round)
 
         return glyph
 

Lib/fontTools/ttLib/tables/_g_l_y_f.py

@@ -13,8 +13,8 @@ from fontTools.misc.fixedTools import (
     floatToFixed as fl2fi,
     floatToFixedToStr as fl2str,
     strToFixedToFloat as str2fl,
-    otRound,
 )
+from fontTools.misc.roundTools import noRound, otRound
 from fontTools.misc.vector import Vector
 from numbers import Number
 from . import DefaultTable
@@ -2322,6 +2322,8 @@ class GlyphCoordinates(object):
             self._a.extend(p)
 
     def toInt(self, *, round=otRound):
+        if round is noRound:
+            return
         a = self._a
         for i in range(len(a)):
             a[i] = round(a[i])