lib/sprite/builder.rb in sprite-0.2.0 vs lib/sprite/builder.rb in sprite-0.2.1

@@ -61,11 +61,15 @@
       sprite_file = "#{image_config.name}#{cache_buster}.#{image_config.format}"
       "#{config['css_image_path']}#{sprite_file}"
     end
 
     def background_url(name)
-      "#{@config['url_helper']}('#{@config['external_base']}#{@config['image_output_path']}#{name}')"
+      if @config["url_formatter"]
+        sprintf(@config["url_formatter"], name)
+      else
+        "url('#{@config['external_base']}#{@config['image_output_path']}#{name}')"
+      end
     end
 
   protected
 
     def write_image(image)
@@ -131,10 +135,9 @@
       @config['external_base']      ||= '/'
       @config['default_format']     ||= 'png'
       @config['class_separator']    ||= '-'
       @config["sprites_class"]      ||= 'sprites'
       @config["default_spacing"]    ||= 0
-      @config['url_helper']      ||= 'url'
 
       unless @config.has_key?("add_datestamps")
         @config["add_datestamps"] = true
       end
     end