Simple2Canvas

Generate image with json data by canvas https://simple2canvas.netlify.com/

Installation

You can install it with npm or <script>:

npm install simple2canvas --save-dev

<script src="https://unpkg/simple2canvas/dist/simplecanvas.umd.min.js"></script>

Usage

const simple2canvas = require('simple2canvas');
const options = {
  width: 360,
  height: 360,
  rate: 2,
  elements: [
    {
      type: 'rect',
      width: 360,
      height: 360,
      top: 0,
      left: 0,
      fill: '#FFF'
    },
    {
      type: 'text',
      text: 'Hello World!',
      top: 10, 
      left: 10,
      fontSize: 18,
      lineHeight: 18,
      color: 'black'
    }
  ]
};

(async() => {
  const canvas = await simple2canvas(options);
  
  const img = document.createElement('img');
  img.style.width = options.width + 'px';
  img.style.height = options.height + 'px';
  img.src = canvas.toDataURL();
  document.body.appendChild(img);
})();

Configuration

| name | required | default | description | |------|:----------:|:---------:|-------------| | width | ✔️ | | canvas width | | height | ✔️ | | canvas height | | rate | | 1 | canvas pixel ratio | | render | | 'html' | canvas render | | elements | | [] | canvas elements |

Elements Configuration

rect

• top
• left
• width
• height
• fill
• round

image

• top
• left
• width
• height
• url

text

• top
• left
• fontSize
• lineHeight
• text
• color
• textAlign
• fontWeight
• fontFamily

Example

run npm start and open http://localhost:3000

online example: https://simple2canvas.netlify.com/

License

simple2canvas is released under the MIT license.