src/contrib/SDL-3.2.20/cmake/test/main_gui.c


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#include <SDL3/SDL.h>
#include <SDL3/SDL_main.h>

int main(int argc, char *argv[])
{
    SDL_Window *window = NULL;
    SDL_Surface *screenSurface = NULL;
    if (!SDL_Init(SDL_INIT_VIDEO)) {
        SDL_Log("Could not initialize SDL: %s", SDL_GetError());
        return 1;
    }
    window = SDL_CreateWindow("Hello SDL", 640, 480, 0);
    if (!window) {
        SDL_Log("could not create window: %s", SDL_GetError());
        return 1;
    }
    screenSurface = SDL_GetWindowSurface(window);
    SDL_FillSurfaceRect(screenSurface, NULL, SDL_MapSurfaceRGB(screenSurface, 0xff, 0xff, 0xff));
    SDL_UpdateWindowSurface(window);
    SDL_Delay(100);
    SDL_DestroyWindow(window);
    SDL_Quit();
    return 0;
}