How do I render thick 2D lines as polygons?

Question

I have a path made up of a list of 2D points. I want to turn these into a strip of triangles in order to render a textured line with a specified thickness (and other such th

Answer 1

I just found this amazing work:

http://www.codeproject.com/Articles/226569/Drawing-polylines-by-tessellation

It seems to do exactly what you want, and its licence allows to use it even in commercial applications. Plus, the author did a truly great job to detail his method. I'll probably give it a shot at some point to replace my own not-nearly-as-perfect implementation.