PDFBOX-4283: treat invalid elements as 0

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1837439 13f79535-47bb-0310-9956-ffa450edef68
apache · Aug 4, 2018 · 4fa9853 · 4fa9853
1 parent 7172cee
commit 4fa9853
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/pdfbox/src/main/java/org/apache/pdfbox/cos/COSArray.java b/pdfbox/src/main/java/org/apache/pdfbox/cos/COSArray.java
@@ -534,9 +534,11 @@ public void setNeedToBeUpdated(boolean flag)
     public float[] toFloatArray()
     {
         float[] retval = new float[size()];
-        for( int i=0; i<size(); i++ )
+        for (int i = 0; i < size(); i++)
         {
-            retval[i] = ((COSNumber)getObject( i )).floatValue();
+            COSBase base = getObject(i);
+            retval[i] =
+                base instanceof COSNumber ? ((COSNumber) base).floatValue() : 0;
         }
         return retval;
     }