React Drawing board

Browser drawing board created with canvas and React.

Preview

Features

A browser-ready efficient drawing board.

• Support for drawing strokes, shapes, texts and images.
• Built-in support for both redo and clear.
• Easily zoom or pan the board content.
• Ability to save screenshot.
• Ability to be used as a Pictionary board for long distance communication.
• Working for mobile users.

Installation

In NPM

React Drawing board uses a CMD so you can use it in NPM as well. npm install this package and

const DrawingBoard = require('react-drawing-board');

Basic Use

Basic

<DrawingBoard />

As A Pictionary

const Demo: React.FC = () => {
  const [operations, setOperations] = useState<Operation[]>([]);

  return (
    <DrawingBoard
      userId="user1" // identify for different players.
      operations={operations}
      onChange={(newOperation, afterOperation) => {
        console.log(`TODO: send ${newOperation}`);
        setOperations(afterOperation);
      }}
    />
  )
}

Props

| Props | Description | Type | Default | |-----------|------------------------------------------|------------|---------| | userId(optional) | identify for operation source | string | uuid.v4() | | locale(optional) | 'en-US', 'zh-CN', 'tr-TR' | string | navigator.language | | operations(optional) | operations on drawing board | Operation[] | undefined | | onChange(optional) | called when user draw some operations | (newOperaton: Operation, operationsAfter: Operation[]) => void | undefined | | onSave(image) | called when user click save button for saving current view | (image: { canvas: HTMLCanvasElement, dataUrl: string }) => void | undefined | | style(optional) | element style | CSSProperties | undefined | | className(optional) | element classname | string | undefined | | toolbarPlacement(optional) | the position of toolbar | 'top' or 'left' or 'right' | 'top' | | viewMatrix(optional) | control the current perspective | undefined | | onViewMatrixChange(optional) | (viewMatrix: ViewMatrix) => void | undefined |