lib/middleware/reformat.rb in tracksperanto-1.5.0 vs lib/middleware/reformat.rb in tracksperanto-1.5.1

@@ -1,23 +1,26 @@
 require File.dirname(__FILE__) + '/scaler'
 
 # This middleware reformats (scales) the track setup to a specific pixel resolution. Very useful for
 # applying proxy tracks to full-res images
-class Tracksperanto::Middleware::Reformat < Tracksperanto::Middleware::Scaler
+class Tracksperanto::Middleware::Reformat < Tracksperanto::Middleware::Base
   
   # To which format we have to scale
   attr_accessor :width, :height
   cast_to_int :width, :height
   
-  private :x_factor=, :y_factor=
-  
   # Called on export start
   def start_export( img_width, img_height)
-    @width ||= img_width
+    @width ||= img_width # If they be nil
     @height ||= img_height
     
-    self.x_factor, self.y_factor = (@width / img_width.to_f), (@height / img_height.to_f)  
-    set_residual_factor
-    # Do not call super since it scales by itself :-)
-    @exporter.start_export(@width, @height)
+    x_factor, y_factor = (@width / img_width.to_f), (@height / img_height.to_f)  
+    
+    @stash = @exporter
+    @exporter = Tracksperanto::Middleware::Scaler.new(@exporter, :x_factor => x_factor, :y_factor => y_factor)
+    super
+  end
+  
+  def end_export
+    @exporter = @stash
   end
 end
\ No newline at end of file