Files
squoosh/codecs/oxipng/src/lib.rs
2020-11-21 03:56:30 +00:00

22 lines
641 B
Rust

use oxipng::AlphaOptim;
use wasm_bindgen::prelude::*;
mod malloc_shim;
#[cfg(feature = "parallel")]
pub mod parallel;
#[wasm_bindgen]
pub fn optimise(data: &[u8], level: u8) -> Vec<u8> {
let mut options = oxipng::Options::from_preset(level);
options.alphas.insert(AlphaOptim::Black);
options.alphas.insert(AlphaOptim::White);
options.alphas.insert(AlphaOptim::Up);
options.alphas.insert(AlphaOptim::Down);
options.alphas.insert(AlphaOptim::Left);
options.alphas.insert(AlphaOptim::Right);
options.deflate = oxipng::Deflaters::Libdeflater;
oxipng::optimize_from_memory(data, &options).unwrap_throw()
}