Quartz 2D is the primary two-dimensional graphics rendering API for Mac OS X, part of the Core Graphics framework.
I've been working on a pdf viewer with support for annotations and I need to be able to save new …
objective-c ios pdf annotations quartz-2dI have a UIImage that is all black with an alpha channel so some parts are grayish and some parts …
objective-c core-graphics quartz-2dI am using the framework of route-me for working with locations. In this code the path between two markers(points) …
iphone core-graphics quartz-2d cgcontextStrange situation - examples from apple works, but after i change them a bit, text is not displayed. This bit …
iphone quartz-2dI have a CGContextRef and I did my drawing stuff with the bitmap context. Now, I would like to have …
iphone core-graphics quartz-2dI'm using quartz to display pdf content, and I need to create a table of contents to navigate through the …
iphone objective-c cocoa-touch quartz-2dIn my iPhone application I have a black-and-white UIImage. I need to blur that image (Gaussian blur would do). iPhone …
iphone image-manipulation quartz-2d/* Adding the Path */ UserGraphBuff = UIGraphicsGetCurrentContext(); CGContextSetRGBStrokeColor(UserGraphBuff,5,10,0,1); CGContextSetLineWidth(UserGraphBuff, 2 ); CGContextBeginPath(UserGraphBuff); //line to last user point CGContextAddLineToPoint(UserGraphBuff, (*xVal)[sizeof …
cocoa-touch quartz-2d cgcontextSummary I'm working on a fairly straightforward 2D tower defense game for iOS. So far, I've been using Core Graphics …
iphone ios performance core-graphics quartz-2d