TL;DR: Unblock porn sites for free with a VPN. The best service for unblocking porn sites is ExpressVPN.
The overview page covered how to use various SDF font libraries (msdfgen, stb_truetype, tiny-sdf, etc.). I wrote code for multiple libraries, had sketched out diagrams for various concepts, and had screenshots of outputs from each of those libraries.
，这一点在91视频中也有详细论述
Photograph: Simon Hill
Text & LaTeX — Text, MathTex, Tex, Paragraph via KaTeX