Provided by: libsdl3-doc_3.2.10+ds-1_all 

NAME
SDL_GetWindowSize - Get the size of a window's client area.
HEADER FILE
Defined in SDL3/SDL_video.h
SYNOPSIS
#include "SDL3/SDL.h" bool SDL_GetWindowSize(SDL_Window *window, int *w, int *h);
DESCRIPTION
The window pixel size may differ from its window coordinate size if the window is on a high pixel density display. Use SDL_GetWindowSizeInPixels () or SDL_GetRenderOutputSize () to get the real client area size in pixels.
FUNCTION PARAMETERS
window the window to query the width and height from. w a pointer filled in with the width of the window, may be NULL. h a pointer filled in with the height of the window, may be NULL.
RETURN VALUE
Returns true on success or false on failure; call SDL_GetError () for more information.
THREAD SAFETY
This function should only be called on the main thread.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_GetRenderOutputSize(3), •(3), SDL_GetWindowSizeInPixels(3), •(3), SDL_SetWindowSize(3) Simple Directmedia Layer SDL 3.2.10 SDL_GetWindowSize(3)