lib/barby/outputter/cairo_outputter.rb in barby-0.6.2 vs lib/barby/outputter/cairo_outputter.rb in barby-0.6.3

@@ -21,9 +21,14 @@
     register :to_svg if Cairo.const_defined?(:SVGSurface)
 
     attr_writer :x, :y, :xdim, :height, :margin
 
 
+    def initialize(*)
+      super
+      @x, @y, @xdim, @height, @margin = nil
+    end
+
     #Render the barcode onto a Cairo context
     def render_to_cairo_context(context, options={})
       if context.respond_to?(:have_current_point?) and
           context.have_current_point?
         current_x, current_y = context.current_point