calayer
How to avoid cropping of the display in OpenGL on the iPhone
This has been a long term issue I need your collective genius to solve. I am taking images from the camera and outputting them to opengl. Recording the images via an off screen FBO outputs correctly.[详细]
2023-03-03 02:50 分类:问答Animate drawing the fill of a CAShapeLayer
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[详细]
2023-03-02 16:11 分类:问答How to disable CALayer implicit animations?
It\'s driving me crazy! I am working on a drawing application. Let\'s say I am working on a UIView called sheet.[详细]
2023-03-01 18:54 分类:问答Why is Class delegation so enigmatic?
This is probably another thick, newbie question that will have everyone smacking their foreheads and going \'Duhhhhh!\' BUT, after another long spell of reading and watching countless Brad Larson vide[详细]
2023-02-28 20:57 分类:问答how to set round corners in images in iphone
Merged with How to set round corners in UI images in iphone. 开发者_JAVA技巧 I need to set image to button image should be in rounded corner[详细]
2023-02-28 14:55 分类:问答How to get position during animation which uses CALayer and CGPath in iPhone
hI, I am workng on animation using CALayer and CAPath. Here I am animating an Image from top to bottom of screen.I gave starting and ending position for[详细]
2023-02-27 00:10 分类:问答how to get frame of the image while animating from top to bottom of screen using CABasic animation
I am using CABasicAnimation for animating an image from top to bottom of the screen. I need to getframe of the image while it is animating from top to bottom......[详细]
2023-02-25 01:52 分类:问答Core Animation - animation doesn't work
I\'m attempting to use this code to animate a CALayer\'s backgr开发者_JS百科ound color: CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@\"backgroundColor\"];[详细]
2023-02-23 00:24 分类:问答Vector like drawing for zoomable UIScrollView
I have a zoomable UIScrollView with some CATextLayers and simple CALayers in it. They get rendered fine but the problem is when they are zoomed they become blurry. (Even if I redraw them)[详细]
2023-02-22 02:26 分类:问答How to get the actual size of transformed CALayer?
I have a 200x200 pixel CALayer instance to which I\'ve applied two transformations: scaled开发者_运维技巧 down to 50%[详细]
2023-02-22 01:53 分类:问答