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terminal-img

terminal-img renders an image to the terminal.

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Installation

$ npm install terminal-img

Quick start

First you need to integrate terminal-img into your application:

const { draw, drawAsString } = require('terminal-img');

If you use TypeScript, use the following code instead:

import { draw, drawAsString } from 'terminal-img';

Then you can call the draw function with an image file as parameter to draw the image to the terminal. The file can be given either as a path or a url. The module supports the image formats .png and .jpg:

await draw('logo.png');

By default, the image is being rendered using the terminal's width. If the width can not be determined, the draw function falls back to 80 columns.

Resizing the image

To resize the image, you may optionally specify a width and or a height using an options object:

await draw('logo.png', { width: 80, height: 25 });

If you specify only one of width and height, the other value is calculated automatically in a way that preserves the image's aspect ratio. If you provide both of them, the image may become deformed.

Stringifying the image

From time to time, you may want to get the image as a string, instead of having it drawn immediately. For that, use the drawAsString function:

const image = await drawAsString('logo.png');

All the options that work for draw work for drawAsString in the very same way.

Running the sample application

To run the sample application, use the following command:

$ npx ts-node samples/app.ts

Running quality assurance

To run quality assurance for this module use roboter:

$ npx roboter