Simple Window and Renderer Creation with SDL2

sdl2_starting_template.cpp

#include <SDL.h>

#include <cstdio>

int main(int argc, char* argv[]) {

	if (SDL_Init(SDL_INIT_EVERYTHING) != 0)
	{
		printf("SDL cannot be initialized. Error: %s\n", SDL_GetError());
	}

	SDL_Window* window = SDL_CreateWindow("Window", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 800, 600, SDL_WINDOW_SHOWN);

	if (window == NULL)
	{
		printf("Window could not be created. Error: %s\n", SDL_GetError());
		return -1;
	}

	Uint32 rendererFlags = SDL_RENDERER_ACCELERATED;
	SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, rendererFlags);

	if (renderer == NULL)
	{
		printf("Renderer could not be created. Error: %s\n", SDL_GetError());
		return -1;
	}

	SDL_Event e;
	bool isRunning = true;
  
	while (isRunning) {
		while (SDL_PollEvent(&e))
		{
			if (e.type == SDL_QUIT)
			{
				isRunning = false;
			}

			if (e.type == SDL_KEYDOWN)
			{
				switch (e.key.keysym.sym)
				{
				case SDLK_ESCAPE:
					isRunning = false;
					break;
				default:
					break;
				}
			}
		}

		// Rendering
		SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255); // White Background
		SDL_RenderClear(renderer);

		SDL_RenderPresent(renderer);
	}

	SDL_DestroyRenderer(renderer);
	SDL_DestroyWindow(window);

	SDL_Quit();

	return 0;
}