I have a method which is called in a loop, that looks something like th开发者_运维问答is: NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
There are a number of resources here and elsewhere on the web regarding how to draw with a gradient - fill or 开发者_开发知识库stroke.
I\'d like to paint some Bezier curves with the alpha channel that is changing during the curve painting. Right now I\'m able to draw bezier paths, with a fixed alpha channel. What I\'d like to do is t
I\'d like 开发者_高级运维to write/use particle effects in a uiview so I\'m thinking of writing a simple one using quartz. It\'d be strictly 2d. Am I shooting myself in the foot by not using gl, or are
I\'m in the planning stage of writing a Cocoa drawing application (for Mac, not iOS), and I\'m trying to discern whether one of my features is technically possible via any of the drawing frameworks. A
I\'m trying to create a shadow around a simple UIView object开发者_高级运维 which is added on top of a UIViewController\'s view.
HI, I want to create simple floor plans like this and render it on iphone not as image. My problem is how should i create this floor plans so that i can render it on phone?? Should I use OpenGL??
I have a UIView where I set the background color to clear in the init method. I then draw a blue line between 2 points in drawRect. The first point is the very first touch on the view, and the second
Right now I\'m populatin开发者_StackOverflow中文版g a UIScrollView with a series of views. The views need to be warped to make the UIScrollView appear like a carousel. In other words when the user scr
This is probably very straightforward, but I am not even sure what it\'s called - which makes goog开发者_开发技巧ling a bit less useful than usual.