I am adding some functionality to an iPhone app, and could use some help in picking the fastest / most efficient / best practice approach for solving this problem:
I\'m using Quartz-2D for iPhone to display a route on a map. The route is colored according to temperature. Because some streets are colored yellow, I am using a slightly thicker black line under the
I\'m familiar with some of the basics of Quartz 2D drawing, like drawing basic shapes and gradients and so on, but I\'m not sure how to draw a shape wi开发者_JS百科th a \"beveled\" look, like this:
My iPhone app has a mainView. added as a sublayer to this MainView is CircleView. CircleView rotates as the phone turns and tilts as the phone tilts, using 3 concatenated CATransform3D transforms. Dot
I have written a function that draws x number of squares in a random position every 2 seconds. A square cannot be drawn in the same position twice. Once the app has completed a cycle the grid will be
I\'m trying to rotate an image about the bottom right corner. To do this I know I need to set the layer\'s anchorPoint, but I can\'t access it. I\'ve included the QuartzCore framework in my project. T
Why do Quartz 2D Graphics Contexts functions have to be called from within the drawRect method? Because if I call a CGGraphics context function from anywhere except from withindrawRect I get messages
I wonder if开发者_如何学Python someone can distinguish precisely between these? For my understanding, Core Graphics is just a \"Framework Package\" which contains Quartz Core and Quartz 2D. But I\'m n
OK, I\'m still brand new to iPhone development. 开发者_C百科I have a free game on the app store, Winner Pong, but it\'s just a Pong clone (who would\'ve guessed) that uses the standard UIImageViews fo
I\'m just starting writing some Core Animation code and I\'ve just spent a frustrating day trying to figure out a particular problem.