selects the IMG_INIT_JPG subsystem
selects the IMG_INIT_PNG subsystem
selects the IMG_INIT_TIF subsystem
selects the IMG_INIT_WEBP subsystem
selects the IMG_INIT_JXL subsystem (from SDL_image 2.6)
selects the IMG_INIT_AVIF subsystem (from SDL_image 2.6)
selects every available subsystem
dsdl2.SDLException if any selected subsystem failed to initialize
dsdl2.image.init(everything : true);
Wraps IMG_Init which initializes selected SDL2_image image format subsystems