lib/chunky_png/datastream.rb in chunky_png-1.3.5 vs lib/chunky_png/datastream.rb in chunky_png-1.3.6

@@ -72,10 +72,10 @@
       # @return [ChunkyPNG::Datastream] The loaded datastream instance.
       def from_io(io)
         verify_signature!(io)
 
         ds = self.new
-        until io.eof?
+        while ds.end_chunk.nil?
           chunk = ChunkyPNG::Chunk.read(io)
           case chunk
             when ChunkyPNG::Chunk::Header;       ds.header_chunk = chunk
             when ChunkyPNG::Chunk::Palette;      ds.palette_chunk = chunk
             when ChunkyPNG::Chunk::Transparency; ds.transparency_chunk = chunk