Class iDraw 
Arguments 
js
import { iDraw } from 'idraw';
const dom = document.querySelector('#app');
const options = {
  width: 600,
  height: 400,
  devicePixelRatio: 2
};
const idraw = new iDraw(dom, options);| Arugment | Description | Type | Default | Required | Others | 
|---|---|---|---|---|---|
| dom | Canvas mounted DOM | HTMLDivElement | - | true | - | 
| options | Image rendering options | [Object] | - | true | - | 
Options 
ts
type Options = {
  width: number;
  height: number;
  devicePixelRatio: number;
};Options Properties 
| Property | Description | Type | Default | Required | Others | 
|---|---|---|---|---|---|
| width | Drawing board's width | number | - | true | - | 
| height | Drawing board's height | number | - | true | - | 
| devicePixelRatio | Device pixel scale | number | 1 | false | - | 
