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use std::env;
use std::fs::{File, OpenOptions};
use std::io::{self, prelude, Cursor, Read};
const HELP_TEXT: &'static str = r#"
OBI Viewer
"#;
use obi::Image;
use sdl2::{event::Event, keyboard::Keycode, pixels::Color, rect::Rect};
fn main() {
let args = env::args().collect::<Vec<_>>();
let sdl_context = sdl2::init().unwrap();
let video_subsystem = sdl_context.video().unwrap();
match &args[..] {
[_, path] => {
eprintln!("{}", path);
let image_src = OpenOptions::new()
.read(true)
.write(false)
.create(false)
.open(path);
if let Ok(mut image) = image_src {
let mut buf = Vec::new();
image.read_to_end(&mut buf);
let img = Image::decode(&mut (Cursor::new(buf))).unwrap();
let window = video_subsystem
.window("OBI Viewer", img.width(), img.height())
.position_centered()
.opengl()
.build()
.map_err(|e| e.to_string())
.unwrap();
let mut canvas = window
.into_canvas()
.build()
.map_err(|e| e.to_string())
.unwrap();
let mut event_pump = sdl_context.event_pump().unwrap();
'running: loop {
for event in event_pump.poll_iter() {
match event {
Event::Quit { .. }
| Event::KeyDown {
keycode: Some(Keycode::Escape),
..
} => break 'running,
_ => {}
}
}
canvas.set_draw_color(Color::RGB(0, 0, 0));
canvas.clear();
canvas.set_draw_color(Color::RGB(255, 255, 255));
for x in 0..img.width() {
for y in 0..img.height() {
if img.data[img.index(x, y).unwrap()] {
canvas.fill_rect(Rect::new(x as i32, y as i32, 1, 1));
}
}
}
canvas.present();
}
}
}
_ => {
eprintln!("requires and argument!");
}
}
}
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