load_txt_font(3)

📦 version 4.4.3.1, in fedora 43, fedora 44

✨ load_txt_font — the manual page, but make it cute ✨

okay so bestie, we're in the Allegro manual today and the function on the menu is load_txt_font(3). she loads fonts from a script, and honestly? she's giving main character energy. let's get into it 🎀

💖 NAME 💖

load_txt_font — loads a font script. it's part of the Allegro game programming library, no cap 🦋

🌸 SYNOPSIS 🌸

#include <allegro.h>

FONT *load_txt_font(const char *filename, RGB *pal, void *param)

literally just one include and one call. we love a low-effort icon 💅

✨ DESCRIPTION ✨

so here's the vibe: this function is your girl for loading scripted fonts. the script file is just a bunch of lines, each one looking like "filename start end". and what do those three lil pieces mean? let me break it down for you:

  • filename — the source file that this range of characters comes from
  • start — the Unicode value of the first character in the range
  • end — the last character in the range. this one's optional! if you leave it out, the entire input file gets grabbed, periodt.

and here's the lil plot twist 🫶 if you swap the filename out for a hyphen, she'll grab more characters from the previous input file. like, "keep going from where we were, bestie."

for example, take this script:

ascii.fnt 0x20 0x7F
- 0xA0 0xFF
dingbats.fnt 0x1000

what does it do? lemme tell you:

  • it imports the first 96 characters from ascii.fnt as the range 0x20-0x7F
  • then the next 96 characters from ascii.fnt as the range 0xA0-0xFF (see that hyphen doing her thing? 👑)
  • and finally the entire contents of dingbats.fnt, starting at Unicode position 0x1000

iconic behaviour, honestly. ate and left no crumbs 🍓

🌈 RETURN VALUE 🌈

she returns a pointer to the font on success, or NULL if something went wrong (error era 😭).

⚠️ okay important one, bestie: you are responsible for destroying the font when you're done with it. like, don't just ghost her — that's how you get memory leaks. clean up after yourself, fr fr 💀

🦋 SEE ALSO 🦋

and that's the whole page, babe 💜 this was Allegro version 4.4.3, and yes, the footer said so too — mwah, take care of your fonts, don't leak that memory, and slay the game dev grind 💖✨🎀

📦 where this page comes from