uiimage.rb in sugarcube-2.0.2

- old
+ new

@@ -412,9 +412,21 @@
     darken_filter = CIFilter.color_controls(filter_options)
     output = self.apply_filter(darken_filter)
     return UIImage.imageWithCIImage(output, scale:self.scale, orientation:self.imageOrientation)
   end
 
+  # Invert the image
+  # @options - none
+  #
+  # @example
+  #   image.inverted
+  #
+  # similar to (image | CIFilter.color_invert).uiimage
+  def inverted
+    output = self.apply_filter(CIFilter.color_invert)
+    return UIImage.imageWithCIImage(output, scale:self.scale, orientation:self.imageOrientation)
+  end
+
   # Apply a gaussian filter
   # @options radius, default: 10
   #
   # @example
   #   image.gaussian_blur(radius: 5)