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use image::*;
use std::{env::args, fmt::format, path::Path};
use webp::*;
/// cargo run --example convert_by_args lake.jpg.
fn main() {
//Add a get args functions
let arg: Vec<String> = args().collect();
if arg.len() != 2 {
eprintln!("Usage: command <name.extension>");
return;
}
//Add a format functions for a new Path by String
let path = format(format_args!("assets/{}", arg[1]));
let path = Path::new(&path);
// Using `image` crate, open the included .jpg file
let img = image::open(path).unwrap();
let (w, h) = img.dimensions();
// Optionally, resize the existing photo and convert back into DynamicImage
let size_factor = 1.0;
let img: DynamicImage = image::DynamicImage::ImageRgba8(imageops::resize(
&img,
(w as f64 * size_factor) as u32,
(h as f64 * size_factor) as u32,
imageops::FilterType::Triangle,
));
// Create the WebP encoder for the above image
let encoder: Encoder = Encoder::from_image(&img).unwrap();
// Encode the image at a specified quality 0-100
let webp: WebPMemory = encoder.encode(90f32);
// Define and write the WebP-encoded file to a given path
let output_path = Path::new("assets").join("lake").with_extension("webp");
std::fs::write(&output_path, &*webp).unwrap();
}
#[test]
fn test_convert() {
let path = format(format_args!("assets/{}", "lake.jpg"));
let path = Path::new(&path);
// Using `image` crate, open the included .jpg file
let img = image::open(path).unwrap();
let (w, h) = img.dimensions();
// Optionally, resize the existing photo and convert back into DynamicImage
let size_factor = 1.0;
let img: DynamicImage = image::DynamicImage::ImageRgba8(imageops::resize(
&img,
(w as f64 * size_factor) as u32,
(h as f64 * size_factor) as u32,
imageops::FilterType::Triangle,
));
// Create the WebP encoder for the above image
let encoder: Encoder = Encoder::from_image(&img).unwrap();
// Encode the image at a specified quality 0-100
let webp: WebPMemory = encoder.encode(90f32);
// Define and write the WebP-encoded file to a given path
let output_path = Path::new("assets").join("lake").with_extension("webp");
std::fs::write(&output_path, &*webp).unwrap();
}
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