I have a UIImageView. Inside that I am drawing a line wit user touch event. Problem is that a line can be drawn anywhere in UIImageview, but I like to draw line with image pattern only. For exampl...

Inspired by this example, I have a created custom CALayer subclasses for wedges and arcs. The allow me to draw arcs and wedges and animate changes in them so that they sweep radially. One of the f...

I'd like to animate a shape as it transitions from a circle to a rounded-corner triangle. TL;DR: How do I animate a CAShapeLayer's path between two CGPath shapes? I know that they need to have the...

Below i have attached image,I want to achieve the below animation.I have tried water wave animation but don't know how to control the animation like the above. I have CAShapeLayer in which i have ...

I am trying to rotate a CAShapeLayer by an angle from its current angle whenever a button is pressed. I am using delegate function animationDidStop to set the transform of the layer during end of...

I'm trying to create a bezier path like the instagram triangle in the picture below, however I must be doing something wrong. The Bezier path does not show! - (void)viewDidLoad { [super viewDidLoa...

I can't seem to remove the animation from the strokeEnd property of my CAShapeLayer. The documentation says the property is animatable but not that is animated by default and I can't pinpoint the ...

I've got multiple bezier paths which are incorporated into CAShapeLayers for animation purposes. I need to know if it is possible to merge all of the layers into one collection object so that I can...

In swift I've successfully made an animated bezier path which is contained inside a CAShapeLayer. My only problem is implementing it onto other screen sizes. Does anybody know how I can scale the C...

I have a custom button that I want to make top-left border of it look like normal round rectangle. I found code that makes all corners round: _myButton.layer.cornerRadius = 8; _myButton.layer.bor...

is there a nice way to calculate the position of a path (CGPath or UIBezierPath) at a given time (from 0 to 1)? Using CAShapeLayer for example, one can create an animated stroke end. I want to kno...

I'm trying to draw a circle using UIBezierPath addArcWithCenter method : UIBezierPath *bezierPath = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(0., 0., 100., 100.)]; [bezierPath addArcWit...

I've been playing around with drawing a path using a CAShapeLayer as outlined in this great article, http://oleb.net/blog/2010/12/animating-drawing-of-cgpath-with-cashapelayer, but I'm wondering if...

I am having a predicament that's very similar to the one described in this SO thread. I read through every answer on that thread and was unable to find any that solved my problem. I've narrowed dow...

I am trying to draw a circle that will be used to indicate progress. The progress updates might come in quickly, and I want to animate the changes to the circle. I have tried doing this with the b...

I am trying to create a button with a triangle icon/shape in it. I have created the triangle in Paintcode then copied the beizer path and added it to the button layer as below. -(void)setupShowHid...

I am working on CAShapeLayer.And trying to draw non-linear path.I want to set frame to CAShapeLayer.So i can use CGPathGetPathBoundingBox method to get frame from CGPathRef. Here is code : CGMut...

I would like to add a circular mask to UIImageVIew. Here is the function that am using to add the mask.. - (void) addMaskToBounds:(CGRect) maskBounds { CAShapeLayer *maskLayer = [[CAShapeLayer al...

I want to simulate eraser effect with touch event to show a image that behind something block on top, eg, gray color; Something like that: I have find for a long time for the solution but I can...

I'm trying to implement the next curious thing: I have a few dots and I'd like to link them with sine waves Next method returns the array of dots for making plot: - (NSArray *)plotPointsBetweenPo...

In short: Apple does NOT set the frame or bounds for a CAShapeLayer automatically (and Apple HAS NOT implemented an equivalent of [UIView sizeThatFits]) If you set the frame using the size of the...

I'm using a CAShapeLayer. I'm trying to make it so that its path changes whenever a mouse event occurs. For example, when a mouse down event occurs, a path is appended to a CGMutableRefPath and the...

I'm trying to add a subpath to my CAShapeLayer's path, but the changes doesn't show unless I first assing nil to the path and then I reassign myPath to the CAShapeLayer. I've tried with setNeedsRed...

I have used CAShape Layer before doing basic transformation on paths - from a smaller circle into a larger circle. Good enough, but then I tried to transform a triangle into a circle; it worked, bu...

I have been reading the documentation on CAShapeLayer but I still don't quite get it. From my understanding, Layer is always flat and its size is always a rectangle. CAShapeLayer on the other han...