Fix a corner case when depicting cc(C)c

cdk · Mar 15, 2024 · 267f3b6 · 267f3b6
1 parent 16f6bc2
commit 267f3b6
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/...src/main/java/org/openscience/cdk/renderer/generators/standard/StandardBondGenerator.java b/...src/main/java/org/openscience/cdk/renderer/generators/standard/StandardBondGenerator.java
@@ -697,6 +697,10 @@ else if (atom1Bonds.size() == 1)
                 return generateOffsetDoubleBond(bond, atom1, atom2, atom1Bonds.get(0), atom2Bonds, arom);
             else if (atom2Bonds.size() == 1)
                 return generateOffsetDoubleBond(bond, atom2, atom1, atom2Bonds.get(0), atom1Bonds, arom);
+            else if (selectUnsetAromBond(atom1Bonds) != null)
+                return generateOffsetDoubleBond(bond, atom1, atom2, selectUnsetAromBond(atom1Bonds), atom2Bonds, arom);
+            else if (selectUnsetAromBond(atom2Bonds) != null)
+                return generateOffsetDoubleBond(bond, atom2, atom1, selectUnsetAromBond(atom2Bonds), atom1Bonds, arom);
             else
                 return generateCenteredDoubleBond(bond, atom1, atom2, atom1Bonds, atom2Bonds);
         } else {
@@ -739,6 +743,13 @@ private IBond selectPlainSingleBond(List<IBond> bonds) {
         return bonds.get(0);
     }
 
+    private IBond selectUnsetAromBond(List<IBond> bonds) {
+        for (IBond bond : bonds) {
+            if (bond.isAromatic() && bond.getOrder() == UNSET) return bond;
+        }
+        return null;
+    }
+
     /**
      * A plain bond is a single bond with no stereochemistry type.
      *