Posted in javascript
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4:48 am, May 21, 2023

Transform Text into Images using SnapText JS

Note: It seems this only works on node as far as i can tell from testing and its not a scipt you can just embed into a html page. 

SnapText

📸 Snap a picture of HTML text

Converts HTML text to an SVG, Image, Blob, or a Canvas element.

For a demo see the "snap picture" buttons at the top of code examples on PQINA.nl

<script type="module">
    // Import the module
    import snapText from './snapText.js';

    // Snap a picture of some text
    const canvas = await snapText('pre.language-html');

    // Add picture to body for viewing
    document.body.append(canvas);
</script>

I've only tested this on desktop Chrome, Firefox, and Safari with text inside a <pre> element. At this time I'm not sure if it'll work with non preformatted text.

Usage

Pass either an Element or querySelector string as the first argument, the second argument is an optional options object:

// Use default options
const svg = await snapText('.my-element');

// Customize options (shows defaults)
const svg = await snapText('.my-element', {
    // The output format, set to 'svg', 'canvas', 'img', or 'blob'
    format: 'svg',

    // The output width in pixels (can set `width`, or `height`, or both)
    width: undefined,

    // The output height in pixels (can set `width`, or `height`, or both)
    height: undefined,

    // Padding in pixels around the output, added to the inside when `width` or `height` is set
    padding: 0,

    // Size multiplier in pixels
    scalar: 1,
});

Example:

const img = await snapText('.my-element', {
    // We want an <img> element
    format: 'img',

    // Image will be 1024 wide
    width: 1024,

    // Add 20 pixels padding on the inside
    padding: 20,
});

// Add to body for viewing
document.body.append(img);

Transform Text into Images using SnapText JS Demo

View Demo Full Screen View Demo New Tab

Transform Text into Images using SnapText JS Code

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