printserv/src/main.rs

27 lines
668 B
Rust

mod dithering;
mod escpos;
use image::{ImageError, ImageReader};
use std::{env, fs, io, io::Write, process};
fn main() {
let args: Vec<String> = env::args().collect();
let len = args.len();
if len < 2 || len > 2 {
println!("Please provide a path to the image.");
process::exit(1);
}
let img = ImageReader::open(&args[1])
.map_err(|err| ImageError::IoError(err))
.and_then(|v| v.decode())
.unwrap();
let mut escpos = escpos::escpos_raster(&img, Some(escpos::ImageOrientation::Largest), Some(0));
for _ in 0..2 {
escpos.push('\n' as u8);
}
io::stdout().write(&escpos).unwrap();
}