calayer
UIView backing layer - delegate is a zombie
I have a UIView class which uses a custom CALayer-derived backing layer. i.e., I have a static layerClass method which returns the class of my custom CALayer class.[详细]
2023-02-21 20:35 分类:问答Two visible CATiledLayers causing problems!
This issue has been encountered by someone else, but I\'ve not seen any solutions - see ( http://openradar.appspot.com/6941930 ).[详细]
2023-02-21 08:59 分类:问答How can I know the values in CABasicAnimation keyPath
I find some code like this: CABasicAnimation *anim = [CABasicAnimation animation]; anim.keyPath = @\"transform.scale\";[详细]
2023-02-20 12:01 分类:问答Retina display core graphics font quality
Trying to understand why am I getting low quality drawing with CGContextShowTextAtPoint? See attached image:[详细]
2023-02-19 22:52 分类:问答CALayer - clear internal rendering context in favor of custom drawing code
When subclassing an CALayer and implementing the drawInContext method, I would assume that any drawing I do within there is all that will show up, but instead if I set (for example) borderWidth/border[详细]
2023-02-19 15:48 分类:问答iOS: CALayer shadow only rectangular?
For开发者_开发技巧 the shadow properties on the CALayer, is that only rectangular and particular to the layer only? That is, with quartz I can set shadow while doing a fill path on some arbitrary path[详细]
2023-02-19 12:51 分类:问答How to check if CALayer exists
I have a CALayer which animates (moves) off-screen on the y axis. After it\'s off-screen i\'m doing a [myLayer removeFromSuperLayer] so开发者_如何学Python its gone from the view and does not go back t[详细]
2023-02-18 21:32 分类:问答How to achieve mouse click-through on NSView with CALayer?
I have a custom borderless NSWindow in the shape of a circle. To do this I use a custom NSView that dra开发者_Python百科ws a filled circle.[详细]
2023-02-18 08:07 分类:问答is there MouseChildren for CALayer hit test?
Hey. i have a main layer that contains a 4 circle layers a开发者_开发问答nd inside each circle there is a text layer :[详细]
2023-02-17 08:16 分类:问答Best way to speed up multiple uses of "CGContextDrawRadialGradient" in drawrect?
I couldn\'t post the image, but I use the \"CGContextDrawRadialGradient\" method to draw 开发者_StackOverflowa shaded blue ball (~40 pixel diameter), it\'s shadow and to make a \"pulsing\" white ring[详细]
2023-02-15 05:42 分类:问答