As a game developer, I often have to write custom label layout code to make certain things fit in a certain size box across several languages. None of us have

As a game developer, I often have to write custom label layout code to make certain things fit in a certain size box across several languages. None of us have ever figured out what the font size represented, so we just have code that tells us the size of every character and we piece it together like that. That's right, we just measure every character in order to get the pixel size. Because we use pixels. For everything. Because we kinda have to. Because thats what OpenGL uses. This article finally explains why font sizes are so useless.