TTF_GetFontDPI(3)

💖 TTF_GetFontDPI 💖

okay bestie, welcome to the TTF_GetFontDPI page, part of the SDL_ttf3 FUNCTIONS lineup 🫶 this is where you find out what resolution your font is actually vibing at. slay.

---

✨ NAME ✨

TTF_GetFontDPI — get font target resolutions, in dots per inch. yes, literally DPI. it's giving "how many little dots per inch is this font aiming for" 💅

---

📁 HEADER FILE 📁

defined in SDL3_ttf/SDL_ttf.h — that's the one, no cap 🎀

---

🌸 SYNOPSIS 🌸

#include "SDL3_ttf/SDL_ttf.h"

bool TTF_GetFontDPI(TTF_Font *font, int *hdpi, int *vdpi);

look at her. three args, one bool, iconic behavior ✨

---

🦋 FUNCTION PARAMETERS 🦋

• font — the font you're querying. the main character, the one we're asking about 👑
• hdpi — a pointer that gets filled in with the target horizontal DPI. you hand her a spot, she drops the number in 💖
• vdpi — a pointer that gets filled in with the target vertical DPI. same energy, but vertical 🌈

---

⭐ RETURN VALUE ⭐

returns true on success or false on failure 🫶 and if it fails? call SDL_GetError() for more info, because she WILL tell you what went wrong if you just ask 😭

---

🧵 THREAD SAFETY 🧵

this function should be called on the thread that created the font. do not be out here calling it from some random thread, bestie, that's not the vibe 🙈

---

🎀 AVAILABILITY 🎀

this function is available since SDL_ttf 3.0.0. she's been around, she's established, she ate ⭐

---

👀 SEE ALSO 👀

• •(3)
• TTF_SetFontSizeDPI(3) — the other half of the duo, go read her too 💜

---

and that's the whole page fr fr 💖 big love to the SDL_ttf crew — this one's from SDL_ttf 3.2.2, mwah, catch you on the next manpage 🎀✨🦋