lib/hexapdf/task/optimize.rb in hexapdf-0.1.0 vs lib/hexapdf/task/optimize.rb in hexapdf-0.2.0

@@ -93,12 +93,15 @@
         unused = Set.new(doc.task(:dereference))
         rev = doc.revisions.add
 
         oid = 1
         doc.revisions[0].each do |obj|
-          next if obj.null? || unused.include?(obj) || (obj.type == :ObjStm) ||
-            (obj.type == :XRef && xref_streams != :preserve)
+          if obj.null? || unused.include?(obj) || (obj.type == :ObjStm) ||
+              (obj.type == :XRef && xref_streams != :preserve)
+            obj.data.value = nil
+            next
+          end
 
           delete_fields_with_defaults(obj)
           obj.oid = oid
           obj.gen = 0
           rev.add(obj)
@@ -198,10 +201,10 @@
       end
 
       # Compresses the contents of all pages by parsing and then serializing again. The HexaPDF
       # serializer is already optimized for small output size so nothing else needs to be done.
       def self.compress_pages(doc)
-        doc.pages.each_page do |page|
+        doc.pages.each do |page|
           processor = SerializationProcessor.new
           HexaPDF::Content::Parser.parse(page.contents, processor)
           page.contents = processor.result
           page[:Contents].set_filter(:FlateDecode)
         end