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use crate::{bmp::BMPImage, png::PNGImage, image::{Image, ImageBase, RGB}, reader::FileReader, writer::FileWriter};
use std::{env, fs::File, io::{BufReader, BufWriter}};
mod reader;
mod image;
mod bmp;
mod writer;
mod byte_encode;
mod png;
mod crc;
mod zlib;
fn main() {
let args: Vec<String> = env::args().collect();
if args.len() != 3
{
panic!("USAGE: <program> infline.png outfile.bmp");
}
let infile = File::open(args[1].clone()).expect("infile does not exist");
let mut reader = FileReader::new(BufReader::new(infile));
let png: ImageBase<RGB<u8>> = PNGImage::read_image(&mut reader).expect("PNG had error");
let out_file = File::create(args[2].clone()).expect("Cannot create outfile");
let mut writer = FileWriter::new(BufWriter::new(out_file));
BMPImage::write_image(&png, &mut writer);
// println!("{_bmp:?}");
}
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