I have some labels I need to be rotated, and I asked a question earli开发者_StackOverflower about how to do so:
I have a CAShapeLayer and it has to do a simpl开发者_开发百科e task of moving on the screen, guided by the user\'s finger.
my code draw this text upside down. Why? - (void)drawRect:(CGRect)rect { // Drawing code. CGContextRef myContext = UIGraphicsGetCurrentContext();
This is a very very... very odd bug. It\'s hard to describe the exact project I have, but I will try and create a simpler representation of the classes I have. It goes like this:
I have a small view with a 开发者_高级运维few buttons on it. I want to make this small views background a black gradient identical to the gradient when you set your UINavigation bar to Black Opaque?
I have a CAShapeLayer that takes his shape fr开发者_高级运维om path. This creates a layer object which can be manipulated, like move and rotate.
I have a CGEventTap and I would like to observe and process all system mouse click events. Detecting a mouse click event is easy, but I don’t want some of the clicks to get processed by the rest of t
I am trying to create particles of varying color by using the CGContextClipToMask() function. For some reason, my first particle seems to show and animate through its updates fully, but no other parti
I\'m currently drawing a sinus-curve using the CoreGraphics/Quartz CGContextAddLineToPoint-function on the iPhone:
I\'m in the process of writing a simple 2D game which at present does a fair bit of custom drawing for multiple sprites upon each update - i.e. I have game view that delegates to all sprites to perfor
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