Don't emit addVarComponent() if the component references the parent glyph (special case)

2024-04-23 08:51:01 +02:00 · 2024-04-23 08:51:01 +02:00 · 77add05f7f
commit 77add05f7f
parent 973dc5c9a7
1 changed files with 11 additions and 5 deletions
--- a/Lib/fontTools/ttLib/ttGlyphSet.py
+++ b/Lib/fontTools/ttLib/ttGlyphSet.py
@ -355,11 +355,17 @@ class _TTGlyphVARC(_TTGlyph):
            reset = comp.flags & VarComponentFlags.RESET_UNSPECIFIED_AXES
            with self.glyphSet.glyphSet.pushLocation(location, reset):
                with self.glyphSet.pushLocation(location, reset):
-                    try:
-                        pen.addVarComponent(
-                            comp.glyphName, transform, self.glyphSet.rawLocation
-                        )
-                    except AttributeError:
+                    shouldDecompose = self.name == comp.glyphName
+
+                    if not shouldDecompose:
+                        try:
+                            pen.addVarComponent(
+                                comp.glyphName, transform, self.glyphSet.rawLocation
+                            )
+                        except AttributeError:
+                            shouldDecompose = True
+
+                    if shouldDecompose:
                        t = transform.toTransform()
                        compGlyphSet = (
                            self.glyphSet