1
Investigating why Steam started picking a random font
Out of the blue my Steam started picking a random font I had in my user fonts dir: Virgil , the Excalidraw font.
Clément Bœsch
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Visit blog.pkh.me → RSS feedOn Hacker News Jun 2012 – Dec 2025
Software Engineering 8Games & Graphics 7Math & Algorithms 5Tools & Productivity 1Systems & Performance 1Open Source 1
2
High quality GIF with FFmpeg
About two years ago, I tried to improve the support of the GIF encoding in FFmpeg to make it at least decent. This notably led to the addition of the transparency mechanism in the GIF encoder. While this is not always optimal depending on your source, it is in the most common cases. Still, this was merely an attempt…
3
A series of tricks and techniques I learned doing tiny GLSL demos
In the past two months or so, I spent some time making tiny GLSL demos. I wrote an article about the first one, Red Alp . There, I went into details about the whole process, so I recommend to check it out first if you're not familiar with the field.
4
GCC undefined behaviors are getting wild
Happy with my recent breakthrough in understanding C integer divisions after weeks of struggle, I was minding my own business having fun writing integer arithmetic code. Life was good, when suddenly… zsh: segmentation fault (core dumped) .
5
The FFmpeg/Libav situation
One year and a half ago, an important part of FFmpeg developers decided to change the way the project was managed. This led to some kind of takeover , mainly to get rid of the old maintainer dictatorship, but also to change development methods, redefine objectives, etc. Then, for various reasons I will quickly…
6
Fixing the iterative damping interpolation in video games
As I'm exploring the fantastic world of indie game development lately, I end up watching a large number of video tutorials on the subject. Even though the quality of the content is pretty variable, I'm very grateful to the creators for it. That being said, I couldn't help noticing this particular bit times and times…
7
Butchering HQX pixel art scaling filters
The HQX filters , namely hq2x, hq3x and hq4x, are well-known pixel art scalers. They are mainly used by old console (such as NES) emulators to provide a smooth rendering of the games. It was developed around 2003 by Maxim Stepin.
8
Code golfing a tiny demo using maths and a pinch of insanity
The number of characters was 464 characters at first, but thanks to the community it got reduced further, and the article updated accordingly.