SDL_GetRenderSafeArea(3)

📦
version 3.4.18 · 9 versions
, in fedora 43, fedora 44

✨ SDL_GetRenderSafeArea ✨

okay bestie, welcome to the SDL3 FUNCTIONS corner of the manual, where today we're getting the tea on SDL_GetRenderSafeArea(3) — the lil function that tells you where it's actually safe to put your interactive stuff. 🫶

🌸 NAME 🌸

SDL_GetRenderSafeArea — grab the safe area for rendering inside the current viewport. that's it, that's the whole job. 💅

🎀 SYNOPSIS 🎀

#include <SDL3/SDL_render.h>

bool SDL_GetRenderSafeArea(SDL_Renderer *renderer, SDL_Rect *rect);

look at her. two params. returns a bool. so clean. ✨

🦋 DESCRIPTION 🦋

okay so picture this: some devices have chunks of the screen that are, like, partially obscured or just straight up not interactive. and it's not their fault, it's giving:

  • on-screen controls
  • curved edges
  • camera notches 📱
  • TV overscan

and more. so many vibes.

this function hands you the area of the current viewport that's safe to have interactible content in. no cap.

but here's the important part bestie: you should keep rendering into the rest of the render target. don't just stop at the safe area. the safe area is only about not putting visually important or interactible content in the sketchy zones. the rest of the screen still gets your beautiful pixels, it just shouldn't be where the important stuff lives. 🎨

💖 FUNCTION PARAMETERS 💖

  • renderer — the rendering context. your whole renderer moment. the main character of this operation. 👑
  • rect — a pointer that gets filled in with the area that is safe for interactive content. you hand it a SDL_Rect * and it hands you back the good zone. 🗺️

⭐ RETURN VALUE ⭐

Returns true on success or false on failure. and if it's a false situation? call SDL_GetError() for more info, because she will tell you what went wrong. 🔍

🧚 THREAD SAFETY 🧚

this function should only be called on the main thread. main thread only. no side quests, no background threads trying to be sneaky. 🚫🧵

🌈 AVAILABILITY 🌈

this function has been available since SDL 3.2.0. she's been here, holding it down. 💜

and that's the whole page bestie, you ate that. 💅✨

courtesy of the Simple Directmedia Layer crew — this is from SDL 3.4.18, and if you need me I'll be in the SDL_GetRenderSafeArea(3) section, sipping my strawberry drink and staying inside the safe area 🍓🎀
📦 where this page comes from