Core Graphics is Apple's framework for low-level drawing operations on Mac OS X and iOS.
I have been reading thru the documentation however it is not immediatly clear to me how to draw a polygon …
iphone core-graphics polygon draw cgpathI'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 want to create different shapes. Below image is the one of example. Will you suggest me how to different …
ios core-graphics cgcontext uibezierpathi am converting an old iOS 5 project to iOS6.0 on xCode5 and most of the warnings and errors has been …
ios enums core-graphics-(void)createPDFfromUIView:(UIView*)aView saveToDocumentsWithFileName:(NSString*)aFilename { // Creates a mutable data object for updating with binary data, like a …
ios pdf uiwebview core-graphics cropTo clarify the purpose of this question: I know HOW to create complicated views with both subviews and using drawRect. …
iphone ios core-graphicsMac OS X 10.7.4 I am drawing into an offscreen graphics context created via +[NSGraphicsContext graphicsContextWithBitmapImageRep:]. When I draw into this …
objective-c macos cocoa core-graphics quartz-2dIt's really a pain, but always when I draw an UIImage in -drawRect:, it's upside-down. When I flip the coordinates, …
iphone core-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-graphics