lib/teacup/stylesheet_extensions/constraints.rb in teacup-1.2.5 vs lib/teacup/stylesheet_extensions/constraints.rb in teacup-1.2.7

@@ -23,11 +23,11 @@
 
     def constrain_right(x)
       Teacup::Constraint.new(:self, :right).equals(:superview, :right).plus(x)
     end
 
-    def constrain_center_x(x)
+    def constrain_center_x(x=0)
       Teacup::Constraint.new(:self, :center_x).equals(:superview, :center_x).plus(x)
     end
 
     def constrain_top(y)
       Teacup::Constraint.new(:self, :top).equals(:superview, :top).plus(y)
@@ -35,10 +35,10 @@
 
     def constrain_bottom(y)
       Teacup::Constraint.new(:self, :bottom).equals(:superview, :bottom).plus(y)
     end
 
-    def constrain_center_y(y)
+    def constrain_center_y(y=0)
       Teacup::Constraint.new(:self, :center_y).equals(:superview, :center_y).plus(y)
     end
 
     def constrain_width(width)
       Teacup::Constraint.new(:self, :width).equals(width)