This file serves as a font definition library for hardware like LED dot matrix panels. Because microcontrollers have limited memory, fonts are often stored as static byte arrays in rather than being rendered dynamically.
The source structure of the Arial_Black_16.h array relies on a descriptive struct to interpret the raw hexadecimal stream: arial black 16.h library
int fb_fd = open("/dev/fb0", O_RDWR); struct fb_var_screeninfo vinfo; ioctl(fb_fd, FBIOGET_VSCREENINFO, &vinfo); // Use the same drawing routine as above, but compute byte offset for each pixel. This file serves as a font definition library