man SDL_LockYUVOverlay (Fonctions bibliothèques) - SDL_LockYUVOverlay- Lock an overlay
NAME
SDL_LockYUVOverlay- Lock an overlay
SYNOPSIS
#include "SDL.h" int SDL_LockYUVOverlay(SDL_Overlay *overlay);
DESCRIPTION
Much the same as SDL_LockSurface, SDL_LockYUVOverlay locks the overlay for direct access to pixel data.
RETURN VALUE
Returns 0 on success, or -1 on an error.
SEE ALSO
SDL_UnlockYUVOverlay, SDL_CreateYUVOverlay, SDL_Overlay