I\'m trying to generate a graph with gradient/shading effect.Now I\'m able to draw line graph and applied gradient effect to that graph.It is applying to whole view not to the graph. Now I\'m getting
I\'m working with a UITableView and a custom UITableViewCell. Initially, this had poor performance as I was loading the view for the cell from the nib file.
I can combine rect1 with rect2 using CGRectUn开发者_如何学运维ion() and get a combined rect3 fine.
How I can substract one CGRect from another? I want the result R1 - R2 to be the largest subrectangle of R1 that does not intersect R2.
I am trying to rotate a bunch of CALayers around a ellipse (carousel style) as follows: CGMutablePathRef path = CGPathCreateMutable();
I\'ve been banging my head against the wall for a long while trying to figure out why this is not working.
I have a NSWindow containing a NSView with \'Wants Core Animation Layer\' enabled. The view then contains many NSImageView that use are initially animated into position. When I run the animation, it i
I have a custom UIView I\'m drawing using CoreGraphics. Using CoreGraphics, how would I set a horizontal gradient and clip it to my rounded rect path while still using a shadow? I wrote as much as the
I would appreciate some advice on an iphone game design. I want to dis开发者_如何学运维play some backround image and other images on top of it (buildings, characters etc). The backround is going to be
I am trying to create a filter for my program (which streams a webcam) which makes the frame flip horizontally, making the webcam act like a mirror.