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// 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 TerminalInit(){
// 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 TerminalClose() {
SDL_Quit();
}
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