You can find it here: http://gtkdcoding.com/2019/07/30/0057-cairo-i-the-basics.html
Blog Post #0057: The Basics of Drawing with Cairo
Ron Tarrant via Digitalmars-d-learn Tue, 30 Jul 2019 04:59:37 -0700
Several months ago, someone asked if I'd be covering drawing
routines and after much preparation, today's post is the first in
a series on drawing with Cairo.