Core Graphics is Apple's framework for low-level drawing operations on Mac OS X and iOS.
I'm trying to save and restore a CGContext to avoid doing heavy drawing computations for a second time and I'm …
iphone core-graphics quartz-graphics cgcontextI am currently trying to obtain the alpha value of a pixel in a UIImageView. I have obtained the CGImage …
iphone uikit core-graphics quartz-graphicsI have a view on which I've set the layerOpacity to 1. theView.layer.shadowOpacity = 1.0; This looks fine when the view …
iphone objective-c cocoa-touch uiview quartz-graphicsI'm searching for some great Quartz 2D drawing tutorials aimed at the iPhone. I'm new to Quartz and want to …
iphone core-graphics quartz-graphicsI am trying to implement a 3D Carousel on the iPad, consisting of UIViews, an effect like what is shown …
ipad ios opengl-es quartz-graphics ios-4.2I created a subclass of UIView that overrides drawRect: and uses AddArcToPoint() to draw rounded corners. (I don't want to …
ios cocoa-touch xamarin.ios quartz-graphicsI've got 4 different iPhone/Cocoa/Core Animation/Objective-C books in front of me, along with numerous sample code from the …
iphone ios cocoa-touch quartz-graphicsI've looked around everywhere to no avail. I'm doing some image loading in a thread and since UIKit is not …
iphone jpeg quartz-graphics gif cgimageI'm trying to learn how to use and implement CALayer in a Mac Objective-C application, but I can't seem to …
objective-c cocoa calayer quartz-graphicsFor some reason I get linker errors when I try and use CALayer: "_OBJC_CLASS_$_CALayer", referenced from: I have …
iphone objective-c cocoa cocoa-touch quartz-graphics