lib/middleware/scaler.rb in tracksperanto-2.9.5 vs lib/middleware/scaler.rb in tracksperanto-2.9.6

@@ -1,11 +1,15 @@
 # -*- encoding : utf-8 -*-
 # Scales the comp being exported by a specific factor, together with the tracker keyframes
 class Tracksperanto::Middleware::Scaler < Tracksperanto::Middleware::Base
   DEFAULT_FACTOR = 1
   
-  attr_accessor :x_factor, :y_factor
-  cast_to_float :x_factor, :y_factor
+  parameter :x_factor,  :cast => :float, :desc => "Factor to scale by", :default => DEFAULT_FACTOR
+  parameter :y_factor,  :cast => :float, :desc => "Factor to scale by", :default => 0.5
+  
+  def self.action_description
+    "Scale the comp by a specified factor"
+  end
   
   # Called on export start
   def start_export( img_width, img_height)
     set_residual_factor
     @w, @h = (img_width * x_factor).to_i.abs, (img_height * y_factor).to_i.abs