shape.rb in perfect-shape-0.3.4

- old
+ new

@@ -49,10 +49,16 @@
     # Subclasses can override
     def height
       max_y - min_y if max_y && min_y
     end
     
+    # Center point is `[center_x, center_y]`
+    # Returns `nil` if either center_x or center_y are `nil`
+    def center_point
+      [center_x, center_y] unless center_x.nil? || center_y.nil?
+    end
+    
     # center_x is min_x + width/2.0 by default
     # Returns nil if min_x or width are nil
     def center_x
       min_x + width / BigDecimal('2.0') if min_x && width
     end
@@ -77,11 +83,11 @@
     #
     # @return Array of x and y BigDecimal's representing point
     def normalize_point(x_or_point, y = nil)
       x = x_or_point
       x, y = x if y.nil? && x_or_point.is_a?(Array) && x_or_point.size == 2
-      x = BigDecimal(x.to_s)
-      y = BigDecimal(y.to_s)
+      x = x.is_a?(BigDecimal) ? x : BigDecimal(x.to_s)
+      y = y.is_a?(BigDecimal) ? y : BigDecimal(y.to_s)
       [x, y]
     end
     
     # Subclasses must implement
     def contain?(x_or_point, y = nil, outline: false, distance_tolerance: 0)