SDL2 Hello World Square Hardware

main.cpp

/*
 * Based from https://gist.github.com/cicanci/b54715298ab55dff2fbcd0ca3829d13b
 * Basic SDL2 program to render a square using the hardware framework.
 * Hope it helps you
 */
#include <SDL2/SDL.h>

int main(){
	if (SDL_Init(SDL_INIT_EVERYTHING) != 0){
		SDL_Log("SDL_Init Error: %s\n", SDL_GetError());
		return -1;
	}

	SDL_Window* window;
	SDL_Renderer* renderer;
	if (SDL_CreateWindowAndRenderer(640, 480, 0, &window, &renderer) != 0){
		SDL_Log("SDL_CreateWindow Error: %s\n", SDL_GetError());
		return -1;
	}

	SDL_SetWindowTitle(window, "Square");

	bool exit = false;
	SDL_Event event;
	while (!exit)
	{
		while (SDL_PollEvent(&event))
		{
			switch (event.type)
			{
				case SDL_QUIT:
					exit = true;
					break;
			}
		}


		SDL_RenderClear(renderer);

		SDL_Rect rect({50,50,100, 100});

		SDL_SetRenderDrawColor(renderer, 0, 255, 0, 255 );
		SDL_RenderFillRect(renderer, &rect);
		SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255 );

		SDL_RenderPresent(renderer);
	}

	SDL_DestroyRenderer(renderer);
	SDL_DestroyWindow(window);
	SDL_Quit();

	return 0;
}