C++/SDL need help getting an image on screen - c++

Question

I cant seem to load a image onto a SDL window.
Code:
#include <iostream>
#include <SDL2/SDL.h>
#include <stdio.h>
using namespace std;
SDL_Window *window;
SDL_Surface *imageSurface;
SDL_Surface *image;
void createWindow() {
SDL_INIT_EVERYTHING;
if(SDL_INIT_EVERYTHING <0) {
cout << "SDL failed to initialize!" << endl;
}
window = SDL_CreateWindow("Test Window", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480,0);
if (window==NULL) {
cout << "Window could not be made" << endl;
}
imageSurface = SDL_GetWindowSurface(window);
}
void close() {
SDL_FreeSurface(image);
SDL_DestroyWindow(window);
SDL_Quit();
}
void loadmedia() {
image = SDL_LoadBMP("Test.bmp");
if (image==NULL) {
cout << "Image could not be loaded" << endl;
}
}
int main() {
createWindow();
loadmedia();
SDL_BlitSurface(image, NULL, imageSurface, NULL);
SDL_UpdateWindowSurface(window);
SDL_Delay(10000);
close();
}

Answer 1

You are missing the message loop.
Basically, your application is receiving messages to process operations such as drawing the window and all.
What you are missing is something like that:
while (!done) {
while (SDL_PollEvent(&event)) {
if (event.type == SDL_QUIT)
done = true;
}
}
You can find a sample here: http://www.gamedev.net/topic/376858-a-proper-sdl-message-loop/