lib/paperclip-dimension.rb in paperclip-dimension-0.3.0 vs lib/paperclip-dimension.rb in paperclip-dimension-0.3.1

@@ -32,9 +32,10 @@
     end
 
     def save_dimensions_for(name)
       dimension_hash = {}
       attachment = self.send(name)
+      return unless attachment.content_type =~ %r{^(image|(x-)?application)/(bmp|gif|jpeg|jpg|pjpeg|png|x-png)$}
       styles = [:original]
       styles += attachment.styles.keys if attachment.styles
       styles.each do |style|
         geo = ::Paperclip::Geometry.from_file(attachment.queued_for_write[style])
         dimension_hash[style.to_s] = [ geo.width.to_i, geo.height.to_i ]