Question about the examples and buffer draw usage.

[vikigenius]

Sorry for the beginner question, but I have been going through the docs and examples and I am unclear on how to use the buffer.draw function.

What are we supposed to do in the closure it takes as an argument and how does it actually work? I have been trying to get cosmic-text working with https://github.com/RazrFalcon/tiny-skia and have been struggling when it comes to the actual drawing part.