Fix LAYER 62 DXF output in case of disabled layer

If the layer is disabled, color has negative value.
LibreDWG · Feb 14, 2025 · 3514892 · 3514892
1 parent 3fa888d
commit 3514892
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/dwg.spec b/src/dwg.spec
@@ -3799,6 +3799,11 @@ DWG_TABLE (LAYER)
     }
   }
   SINCE (R_13b1) {
+    DXF {
+      if (! FIELD_VALUE(on)) {
+        FIELD_VALUE (color.index) = - FIELD_VALUE(color.index); // Negative value in case of disabled layer
+      }
+    }
     FIELD_CMC (color, 62);
   }
   VERSIONS (R_13b1, R_14) {