// sdl.c
// Implements interface.h
// Emulates the graphics of the Apple I computer with SDL.

#include"interface.h"
#include<SDL2/SDL.h>

#define	SCALE	2

#define CHR_WIDTH	5
#define CHR_HEIGHT	8

#define WIDTH_SPACE 1 * SCALE

#define	MIN_WIDTH	(40 * CHR_WIDTH) + 39*WIDTH_SPACE
#define	MIN_HEIGHT	(24 * CHR_HEIGHT)

int VideoInit(){
	// INITIALIZATION
	SDL_Init(SDL_INIT_TIMER | SDL_INIT_VIDEO);
	SDL_Window*		window = SDL_CreateWindow(
		"Apple C",
		SDL_WINDOWPOS_CENTERED,
		SDL_WINDOWPOS_CENTERED,
		MIN_WIDTH	*	SCALE,
		MIN_HEIGHT	*	SCALE,
		SDL_WINDOW_SHOWN
	);

	SDL_Renderer*	render = SDL_CreateRenderer(window, -1, 0);
	SDL_Surface*	font_surface = SDL_LoadBMP("font.bmp");
	SDL_Texture*	font_texture = SDL_CreateTextureFromSurface(render, font_surface);
	SDL_FreeSurface(font_surface);

		SDL_Rect character = {
		.x = 0,
		.y = 0,
		.w = CHR_WIDTH,
		.h = CHR_HEIGHT
	};

	SDL_Rect draw_character = {
		.x = 0,
		.y = 0,
		.w = CHR_WIDTH	* SCALE,
		.h = CHR_HEIGHT	* SCALE
	};
	
	SDL_SetRenderDrawColor	(render, 0, 0, 0, 255);
	SDL_RenderClear			(render);
	SDL_RenderCopy			(render, font_texture, &character, &draw_character);
	SDL_RenderPresent		(render);

}

void VideoClose() {


	SDL_Quit();
}