reformat.rb in tracksperanto-1.2.0

- old
+ new

@@ -1,16 +1,23 @@
 require File.dirname(__FILE__) + '/scaler'
 
-# Reformats (scales) the track setup to a specific pixel resolution
+# 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
+  
+  # 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
     @height ||= img_height
     
     self.x_factor, self.y_factor = (@width / img_width.to_f), (@height / img_height.to_f)  
-    
-    super(@width, @height)
+    set_residual_factor
+    # Do not call super since it scales by itself :-)
+    @exporter.start_export(@width, @height)
   end
 end
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