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I am trying to find a recipe for producing a a blurred grayscale UIImage from a color PNG and alpha. There are recipes out there in ObjC but MonoTouch does not bind the CGRect functions so not sure how to do this. Any ideas? Here is one ObjC example of grayscale: (UIImage *)convertImageToGrayScale:(UIImage *)image { // Create image rectangle with current image width/height CGRect imageRect = CGRectMake(0, 0, image.size.width, image.size.height); // Grayscale color space CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceGray(); // Create bitmap content with current image size and grayscale

I've a modal view controller that I show with UIModalPresentationPageSheet. The problem is that his default size is too large for my content: so I want to resize is frame to adjust in according with my content. Does anyone know a way/trick to do this ? Thanks You can't resize a UIModalPresentationPageSheet because its size is not modifable. Hrafn Actually you can resize the view controller that gets presented with UIModalPresentationPageSheet. To do it you need to create a custom view controller class and add the following to the class: <!--The header file--> @interface MyViewController:

This document outline from my sample Storyboard shows what I'm working with. I have a custom container view controller and two content view controllers connected via embed segues. Here is the storyboard itself. ZetaViewController has to create some programmatic views (within ZetaView, of course). I noticed when I was centering these programmatically created views they seemed really off center. ZetViewController is centering things by examining self.view.bounds.size.height and self.view.bounds.size.width and doing some appropriate arithmetic. When I added debug logging to ZetaViewController, I

The following code recognizes the bottom and top edges of the scene and the ball bounces off as expected. However, the left and right edges of the scene are breached all the time. The ball goes off screen and then eventually returns back if enough force is applied. It is as if the edges of the scene are beyond the edges of the iphone simulator window. import SpriteKit class GameScene: SKScene { override func didMoveToView(view: SKView){ self.physicsBody = SKPhysicsBody(edgeLoopFromRect: self.frame) backgroundColor = UIColor.cyanColor() var ball = SKSpriteNode(imageNamed: "ball") ball.position