I made a "Circle" view with this drawRect
CGContextRef ctx = UIGraphicsGetCurrentContext();
I am trying to create an app that scales up nicely on the iPhone 4. Currently most of it scales up perfectly, except for one crucial piece: the text that ...
This is probably very straightforward, but I am not even sure what it's called - which makes googling a bit less useful than usual.
I have a gray scale line drawing with ...
I have a method that return an UIImage from a CGPDFPageRef. You can specify a width for the image.
The problem is that when pdfScale is > 1, a white border appears ...
Ok, so I realize I can find the scale value from a layer's CATransform3D like this:
float scale = [[layer valueForKeyPath: @"transform.scale"] floatValue];
I was wondering if anyone knows how the UIPinchGestureRecognizer scale value is determined, or if there is a formula I could use to calculate a new scale value?
I have an ...