How can I force UIWebView (or UIView) to invert(inverse) colors like film negative? I've try to subclass CALayer and override UIWebView layerClass, but have no successes with catch the drawInContext methods. Any ideas?
How can I force UIWebView (or UIView) to invert(inverse) colors like film negative? I've try to subclass CALayer and override UIWebView layerClass, but have no successes with catch the drawInContext methods. Any ideas?