Drawing in Obj-C: Lines and Circles

In a previous post I showed an example of creating a custom view in which I drew a triangle on screen. I thought I’d spend a bit of time taking a closer look at the code and demonstrate how to draw simple shapes in Objective-C.

Example 1: Lines

The following will draw a triangle in the view with green fill and a red stroke. I’ve added a bunch of comments to each line to make it clear what is happening. Keep reading →