potrace

KO | EN

gitlite — search

#ai #llm #go #android #machine-learning #rust #deep-learning #linux #java #cli #kubernetes #security #ios #open-source

(★ 28)

A "1:1 output" JavaScript port of Potrace JS for NodeJS.

potrace 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

Was this content helpful?

★ 0 (0 ratings)

# Potrace

[![CI/Test](https://github.com/oslllo/potrace/workflows/CI/Test/badge.svg)](https://github.com/oslllo/potrace/actions)
[![npm](https://img.shields.io/npm/v/oslllo-potrace)](https://www.npmjs.com/package/oslllo-potrace)

A "1:1 output" JavaScript port of [Potrace JS](https://github.com/kilobtye/potrace) for NodeJS.

---

| **Original image**        | **Potrace output**           |
|---------------------------|------------------------------|
| ![Original Image](https://raw.githubusercontent.com/oslllo/potrace/master/example/tree.jpg) | ![Potrace Output](https://raw.githubusercontent.com/oslllo/potrace/master/example/tree.png) |

---

[Online Demo](http://kilobtye.github.io/potrace/)

---

## Why did I create this package ❓

[The issue](https://github.com/tooolbox/node-potrace/issues/7)

---

# Prerequisites

- Node.js v10+

## Installation

```shell
npm install oslllo-potrace
```

## Basic Usage

---

Taken from [Example.js](https://github.com/oslllo/potrace/tree/master/example)

---

### Example 1

```js
const path = require("path");
const Potrace = require("..");
const fs = require("fs-extra");
const Svg2 = require("oslllo-svg2");

async function example1() {
    var source = path.resolve("example/tree.jpg");
    var destination = path.resolve("example/tree.svg");
    var traced = await Potrace(source).trace();
    fs.writeFileSync(destination, traced);
    await Svg2(traced).png().extend(10).toFile("example/tree.png");
}

example1().then(() => {
    console.log("done");
}).catch((err) => {
    throw err;
});
```

---

### Example 2

```js
const path = require("path");
const Potrace = require("..");
const fs = require("fs-extra");
const Svg2 = require("oslllo-svg2");

async function example2() {
    var source = path.resolve("example/tree.jpg");
    var destination = path.resolve("example/tree.svg");
    var instance = Potrace(source);
    var traced = await instance.trace();
    fs.writeFileSync(destination, traced);
    await Svg2(traced).png().extend(10).toFile("example/tree.png");
}

example2().then(() => {
    console.log("done");
}).catch((err) => {
    throw err;
});
```

---

### Parameters

- `source` ([**String**](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String) | [**Buffer**](https://nodejs.org/api/buffer.html)): path to `image` to trace.
- `options` ([**Object**](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)): option parameter object.
    - `turnpolicy` ([**string**](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)): how to resolve ambiguities in path decomposition. available options are [ `Potrace.TURNPOLICY_BLACK`, `Potrace.TURNPOLICY_WHITE`, `Potrace.TURNPOLICY_LEFT`, `Potrace.TURNPOLICY_RIGHT`, `Potrace.TURNPOLICY_MINORITY`, `Potrace.TURNPOLICY_MAJORITY` ] **(default: Potrace.TURNPOLICY_MINORITY)**.
    - `turdsize`: ([**Number**](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)) suppress speckles of up to this size **(default: 2)**.
    - `optcurve`: ([**Boolean**](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)) turn on/off curve optimization **(default: true)**.
    - `alphamax`: ([**Number**](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)) corner threshold parameter **(default: 1)**.
    - `opttolerance`: ([**Number**](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)) curve optimization tolerance **(default: 0.2)**.
    - `svgSize`: ([**Number**](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)) set svg output size. ***NOTE:*** `The resulting image size` <b>=</b> `the original image size` <b>*</b> `size` **(default: 1)**.
    - `opt_type`: ([**String**](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)) output svg type, available options are [`curve`]

## Changelog

Please see [CHANGELOG](https://github.com/oslllo/potrace/blob/master/CHANGELOG.md) for more information what has changed recently.

## Test

```shell
npm test
```

## Credits

[Potrace JS Port](https://github.com/kilobtye/potrace) by @kilobtye.

[Original Potrace](http://potrace.sourceforge.net/) by Peter Selinger.

[Another Potrace Port For Node.js](https://github.com/tooolbox/node-potrace) maintained by @tooolbox.

## License

The GNU General Public License v2.0 (GPL-2.0). Please see [License File](https://github.com/oslllo/potrace/blob/master/LICENSE) for more information.

potrace

potrace 최신버젼 다운로드

오늘의 추천 프로젝트

Was this content helpful?

Recent Feedback

potrace

potrace 최신버젼 다운로드

오늘의 추천 프로젝트

Was this content helpful?

Recent Feedback

Download README