Using sharp.js in conjunction with the node-html-to-image library allows specifying the enlargement factor and DPI for generating images.
English README | 中文文檔
This project relies on node.js.
You need to download the sharp and node-html-to-image libraries first.
npm install sharpnpm install node-html-to-imageCopy index.js and index.html to your project folder.
You can design your image within the <body> of index.html and generate your image using index.js.
To generate an image, you need to execute the htmlToImage(data) function in index.js.
let data = {
html: require('fs').readFileSync('./index.html', 'utf8'),
fileName: 'image.png',
width: 100,
height: 100,
scale: 1,
dpi: 100
}| Parameter | Description | Type |
|---|---|---|
| html | HTML format, imported from index.html | string |
| fileName | Filename for the generated image | string |
| width | Width of the image | number |
| height | Height of the image | number |
| scale | Image scaling factor | number |
| dpi | DPI setting for the image | number |