I have a custom progress view that animates based on Character Count. (similar to twitter) However, my calculation seems to be off. I want the stroke ...

I'm wondering if it's possible to achieve a better performance in converting the UIView into CVPixelBuffer. My app converts a sequence of UIViews fir ...

I'd like to have a CALayer "float" over my scroll view's documentView. That is, it shouldn't move during scrolling. If I add a CALayer to my NSSCroll ...

I am making an app that uses CAlayer to show contents like image in a NSWindow. The layer has shadows styled with shadowPath to make a better appearan ...

I'm using a container for elements which I'd like for it to be blurred. In order to add rounded corners I modified the layer while for the shadow I cr ...

I'm drawing lines with UIBezierPath in draw(_ rect: CGRect) method previously i did tried that with CAShapeLayer but i wasn't able to select particula ...

I'm trying to draw lines with touches and then be able to move it. i didn't use UIContext method with draw(_ rect: CGRect) for drawing because i wasn' ...

These buttons represent sets, each set can be... Empty: "K7s" is empty and represented by K7s.alpha = 0.4 Full: "Q7s" is full and represented by Q ...

I want to check if CAShapeLayer is visible on screen or not. Does anybody now how to do? ...

below is the code I want to CATextLayer render "," like UILabel to display correct symble “,” ,not "，" . How can I do? ...

In my app i am using a third party library which does circular animation just like in the appstore app download animation. i am using the external fil ...

Recently I've been playing around with shadows and one particular case got me really interested. Suppose I have a parent CALayer which has three oval- ...

Note, that it must work with different number of lines in UILabel - 1,2,3 etc. I've already found solution for 1 line label, where you mask UILabel's ...

Can someone please guide how I can draw same size dotted line on UIView for all sides? I am using below code to draw line. It is shown as above ...

I'm working on a drawing app where every bezier path is CAShapelayer and I'm adding these sub-layers on super layer UIView(CALayer), once the points/l ...

I have an image.cgImage that I set as the contents to a CAShapeLayer() but it's not appearing. I force unwrap the image so I know that it definitely e ...

For whatever reason, I can't get this to work with a CATextLayer. I suspect it's totally obvious, and I can't see the forest for the trees, but what I ...

I'm trying to create image-snapshot tests for UIView. Unfortunately for me my CI machines have @1x pixel-to-point ratio, and my local machine has @2x, ...

i'm trying to draw over UIImageView with this custome class and i would like to be able to change the size and color of lines being drawn by user. But ...

I have a reversed UITableView: NavigationBar setup: Whenever I scroll to the bottom of my TableView (to the top when inverted), shadow disappear ...