DICOM writer: don't throw NPE if close was already called

Shouldn't affect bfconvert, but does affect ImageJ export which calls close() twice.
ome · Jul 23, 2024 · cd22cb9 · cd22cb9
1 parent e818377
commit cd22cb9
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/components/formats-bsd/src/loci/formats/out/DicomWriter.java b/components/formats-bsd/src/loci/formats/out/DicomWriter.java
@@ -1383,6 +1383,11 @@ public void close() throws IOException {
         for (int res=0; res<resolutionCount; res++) {
           resolution = res;
           openFile(pyramid, resolution);
+
+          if (out == null) {
+            // already closed
+            continue;
+          }
           int resolutionIndex = getIndex(pyramid, resolution);
 
           out.seek(out.length());