lib/rdvd-slideshow/slideshow_input.rb in rdvd-slideshow-0.0.1 vs lib/rdvd-slideshow/slideshow_input.rb in rdvd-slideshow-0.0.2

@@ -61,10 +61,14 @@
     
     def fadeout(duration,options={})
       write_line("fadeout",duration,options,[:subtitle])
     end
     
+    def background(duration,options={})
+      write_line("background",duration,options,[:subtitle,:image])
+    end
+    
     #
     # Adds an exit command
     #
     def exit
       @file.puts "exit"
@@ -79,9 +83,12 @@
     def write_line(keyword,duration,options={},sorted_keys=[])
       @file.puts build_line(keyword,duration,options,sorted_keys)
     end
     
     def build_line(keyword,duration,options={},sorted_keys=[])
+      # Keep only values for authorized keys (defined in sorted_keys)
+      options.delete_if { |key, value| !sorted_keys.include?(key) }
+      #
       line = keyword + separator + format_duration(duration)
       index = 0
       remaining_options = options.values.length
       while remaining_options > 0
         line << separator
\ No newline at end of file