[instancer.solver] Add comments

fonttools · Aug 17, 2022 · 15da4d9 · 15da4d9
1 parent b58a818
commit 15da4d9
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Lib/fontTools/varLib/instancer/solver.py b/Lib/fontTools/varLib/instancer/solver.py
@@ -48,11 +48,14 @@ def _solve(tent, axisLimit):
 
         out.append((scalar - gain, loc))
 
+        # case 3a1, similar to case 1neg
         if upper >= axisMax:
             loc = (crossing, axisMax, axisMax)
             scalar = supportScalar({'tag': axisMax}, {'tag': tent})
 
             out.append((scalar - gain, loc))
+
+        # case 3a2, similar to case 2neg
         else:
             loc1 = (crossing, upper, axisMax)
             scalar1 = 0