the window from which the drawable size should be queried.
a pointer to variable for storing the width in pixels, may be NULL.
a pointer to variable for storing the height in pixels, may be NULL.
true on success or false on failure; call SDL_GetError() for more information.
Threadsafety: This function should only be called on the main thread.
Page generated by adrdox
Get the size of a window's client area, in pixels.