Socket
Socket
Sign inDemoInstall

esm-potrace-wasm

Package Overview
Dependencies
0
Maintainers
1
Versions
14
Alerts
File Explorer

Advanced tools

Install Socket

Detect and block malicious and high-risk dependencies

Install

esm-potrace-wasm

A modern ESM build of the Potrace library for use in the browser.


Version published
Weekly downloads
603
decreased by-8.5%
Maintainers
1
Created
Weekly downloads
 

Readme

Source

ESM Potrace Wasm

A modern ESM build of the Potrace library for use in the browser.

Installation

npm install --save esm-potrace-wasm

Usage

import { potrace, init } from 'esm-potrace-wasm';

(async () => {
  // Initialize the module once.
  await init();

  /**
   * The `imageBitmapSource` parameter is an `ImageBitmapSource`, that is any of:
   * - `HTMLImageElement`
   * - `SVGImageElement`
   * - `HTMLVideoElement`
   * - `HTMLCanvasElement`
   * - `ImageData`
   * - `ImageBitmap`
   * - `Blob`
   */
  const svg = await potrace(
    imageBitmapSource,
    (options = {
      turdsize: 2,
      turnpolicy: 4,
      alphamax: 1,
      opticurve: 1,
      opttolerance: 0.2,
      pathonly: false,
      extractcolors: true,
      posterizelevel: 2, // [1, 255]
      posterizationalgorithm: 0, // 0: simple, 1: interpolation
    })
  );
})();

Developing

Modify src/potrace/ and run npm run build to update the ESM build in dist/. The emscripten build file is located at ./build.sh (or build.ps1 for Win32) respectively. A simple demo that imports dist/index.js is available in demo/ and can be started by running npm start.

Apps using this

This library is used in SVGcode.

SVGcode application screenshot

License

⚠️ GPL-v2.0, due to the original Potrace license.

Acknowledgements

Based on @nturley's fork of @IguteChung's initial potrace-wasm. Unfortunately, the original author did not react on my Pull Request, so I forked.

Keywords

FAQs

Last updated on 24 Aug 2022

Did you know?

Socket

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Install

Related posts

SocketSocket SOC 2 Logo

Product

  • Package Alerts
  • Integrations
  • Docs
  • Pricing
  • FAQ
  • Roadmap

Packages

Stay in touch

Get open source security insights delivered straight into your inbox.


  • Terms
  • Privacy
  • Security

Made with ⚡️ by Socket Inc