I have developed an animat开发者_如何学编程ed Pie Chart, in which when a user clicks on a Pie Chart slice, it comes out of the chart. Currently, I am drawing each slice of the Pie on a different CGLay
I am trying to draw radar data on top of a map using CoreGraphics.Before, I was trying to draw each data point individually by making a path around each individual data point and then filling the appr
Is there a开发者_StackOverflow社区ny way by which it is possible to uniquely identify CGContextRef?
In my iPhone / iPad application, I show a person\'s medical reports in the form of a PDF. I have saved the reports in the documents directory and am reading them from there.
I\'m rotating a UIView in the following manner: CGAffineTransform currentTransform = [gestureRecognizer view].transform;
I\'m making a legend for a graph that will basically 开发者_StackOverflow中文版look like this: [ ] Line 1
So I want to have a view (NSView, NSOpenGLView, something CG related?) which basically displays a map.Such as:
I\'m trying to create a simple drawing app that creates circles wherever you 开发者_开发问答put your finger, this is what I have:
I have an icon image I would like to draw a 1px, colored 0.5 opacity line around, inside the image (similar to Stroke layer style with position:inside in Photoshop). So far I\'ve tried this:
Searching the web for about 4 hours not getting an answer so: How to draw a shadow on a path which has transparency?