#include <stdlib.h>
#include <SDL.h>
#include <tSGGL/SGGL.h>

int	main()
{
	SDL_Surface	*surface;
	gfx_image_t	*image;
	gfx_color_t	color;

	/* Initialize SDL */
	if (SDL_Init(SDL_INIT_VIDEO) < 0) return -1;
	atexit(SDL_Quit);

	/* Open a 16bit 640x480 output window/screen using SDL */
	surface = SDL_SetVideoMode(640, 480, 16, SDL_SWSURFACE);
	if (!surface) return -2;

	/* Create an SGGL surface whose data doesn't point anywhere yet */
	image = gfx_create_null_image(640, 480);
	if (!image) return -3;

	/* Redirect the image's data to the one of surface's */
	image->data = (PM_Uint16 *) surface->pixels;

	/* Now we have an image ready to draw to */

	if (SDL_MUSTLOCK(surface))
		SDL_LockSurface(surface);

	gfx_set_color(&color, 255, 16, 16);	/* Red */

	/* Draw a line from upper-left corner to lower-right */
	gfx_line(0, 0, image->max_x, image->max_y, &color, image);

	if (SDL_MUSTLOCK(surface))
		SDL_UnlockSurface(surface);

	/* Make the line visible */
	SDL_Flip(surface);

	/* Wait 5 seconds before quitting */
	SDL_Delay(5000);

	free(image);

	return 0;
}