npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2024 – Pkg Stats / Ryan Hefner

wasm-flood-fill

v1.1.1

Published

Implementation of a flood-fill canvas algorithm in Rust for WebAssembly

Downloads

9

Readme

wasm-flood-fill

Implementation of a flood fill algorithm in Rust for WebAssembly.

This is an experimentation with WebAssembly to speed-up CPU intensive operations (flood-fill on large canvas).

Usage

import * as wasm from 'wasm-flood-fill'

const startX: number;
const startY: number;
const color: {r, g, b}: {r: number, g: number, b: number};
const context: CanvasRenderingContext2D;
const {width, height} = context.canvas;
const imageData = context.getImageData(0, 0, width, height);

const data = wasm.flood_fill(
  context, 
  imageData.data, 
  Math.round(startX), Math.round(startY), // Important that it is rounded before passing it to wasm
  r, g, b,  
  50 // tolerance (0-255 range)
);

context.putImageData(new ImageData(data, width, height), 0, 0);

Benchmarks between an equivalent function implemented in JavaScript shows an improvement in speed of 3 to 5 times for the wasm version. One flood fill takes ~50-60ms in wasm and ~230ms in JS for a 800x660 canvas.