How do I go about changing the saturation of an image using PIL or Pillow? Preferably I'd like to be able to use the solution together with the django-imagekit package. The reason I need to change ...

Is there any way to animate (using one of the supplied Core Animations) an image change in IKImageView without resorting to using two independent IKImageViews upon a new image load?

I have an IKImageBrowserView that I want to be able to pinch-zoom using a multi-touch trackpad on a recent Mac laptop. The Cocoa Event Handling Guide, in the section Handling Gesture Events says: ...