Try fixing fill chars 5

Author: Vic-Nas

vicutils/printBin.py

@@ -179,17 +179,11 @@ def nodeToMat(node: BinaryNode, depth=-1, valueFillChar=None, gapFillChar=None,
             for i, index in enumerate(valueIndexes):
                 mat[level][index] = [center("/", unitSize=unitSize, fillChar=" "), center("\\", unitSize=unitSize, fillChar=" ")][i % 2]
 
-            # Fill gaps between each pair with gapFillChar
-            for i in range(0, len(valueIndexes), 2):
-                if i + 1 < len(valueIndexes):
-                    # Fill columns between valueIndexes[i] and valueIndexes[i+1]
-                    for col in range(valueIndexes[i] + 1, valueIndexes[i + 1]):
-                        mat[level][col] = center("", unitSize=unitSize, fillChar=gapFillChar)
-            
             # Calculate parent positions (midpoints between child pairs)
             next = []
             for i in range(0, len(valueIndexes) - 1, 2):
                 next.append((valueIndexes[i] + valueIndexes[i + 1]) // 2)
+            prev = valueIndexes
             valueIndexes = next
             continue
 
@@ -201,6 +195,14 @@ def nodeToMat(node: BinaryNode, depth=-1, valueFillChar=None, gapFillChar=None,
         for i, index in enumerate(valueIndexes):
             if codes[i] in tree:
                 mat[level][index] = tree[codes[i]]
+        
+        # Fill gaps between pairs using prev (previous level's valueIndexes)
+        if prev is not None:
+            for i in range(0, len(prev), 2):
+                if i + 1 < len(prev):
+                    # Fill columns between prev[i] and prev[i+1]
+                    for col in range(prev[i] + 1, prev[i + 1]):
+                        mat[level][col] = center("", unitSize=unitSize, fillChar=gapFillChar)
 
     # Remove empty leading columns if requested
     if removeEmpty: