Core Graphics is Apple's framework for low-level drawing operations on Mac OS X and iOS.
in my iPad app, I'd like to make a screenshot of a UIView taking a big part of the screen. …
ios performance core-graphics graphicscontext quartz-coreI'm using this code to resize an image on the iPhone: CGRect screenRect = CGRectMake(0, 0, 320.0, 480.0); UIGraphicsBeginImageContext(screenRect.size); [value drawInRect:screenRect …
ios iphone uiimage core-graphicsTrying to animatie an ellipse masked on a UIView to be scale transformed remaining in the center position. I have …
ios core-animation core-graphics mask catransform3dGiven an arbitrary UIView on iOS, is there a way using Core Graphics (CAGradientLayer comes to mind) to apply a "…
iphone ios core-graphics cagradientlayerI wonder if someone can distinguish precisely between these? For my understanding, Core Graphics is just a "Framework Package" which …
iphone core-graphics quartz-graphics quartz-2dI've been trying to figure out a way to draw segments as illustrated in the following image: I'd like to: …
ios core-animation core-graphicsI need some advice on __bridge-ing in iOS. Hopefully the SSCCE1 below will explain the problem better than I can …
ios objective-c memory-management core-graphics cgpathI am trying to merge two different images and create a new one. This is the way I would like …
ios swift uiimage core-graphicsI want to make sure a CGSize is smaller or equal to another CGSize. like: CGSize firstSize = CGSizeMake(1.0,1.0); CGSize secondSize = …
objective-c cocoa-touch core-graphicsIs there an easy way to do this that works in 10.5? In 10.6 I can use nsImage CGImageForProposedRect: NULL context: NULL …
objective-c cocoa core-graphics nsimage cgimage