@jungroit/react-responsive-pinch-zoom-pan NPM

react-responsive-pinch-zoom-pan

A React component that adds pinch-zoom and pan capability to an img element. Both mobile and desktop browsers are supported. In desktop mode, you zoom with the mouse scrollwheel, and pan by dragging. Added ability to toggle zoom on scroll.

On render, the zoom and pan values are applied using CSS transforms.

Install

npm install react-responsive-pinch-zoom-pan --save

Try it out

Online

Demo

Local

git clone https://github.com/bradstiff/react-responsive-pinch-zoom-pan.git
cd react-responsive-pinch-zoom-pan
npm install
npm start
Browse to http://localhost:3001

Usage

import React from "react";
import PinchZoomPan from "react-responsive-pinch-zoom-pan";

const App = () => {
    return (
        <div style={{ width: '500px', height: '500px' }}>
            <PinchZoomPan>
                <img alt='Test Image' src='http://picsum.photos/750/750' />
            </PinchZoomPan>
        </div>
    );
};

API

Prop	Type	Default	Description
initialScale	number	'auto'	The initial scale of the image. When `auto`, the image will be proportionally 'autofit' to the container.
minScale	number	'auto'	The minimum scale to which the image can be zoomed out. When `auto`, the minimum scale is the 'autofit' scale.
maxScale	number	1	The maximum scale to which the image can be zoomed in.
position	'center' or 'topLeft'	'topLeft'	Position of the image relative to the container. Applies when the scaled image is smaller than the container.
zoomButtons	bool	true	Render plus (+) and minus (-) buttons on top of the image as another way to access the zoom feature.
doubleTapBehavior	'reset' or 'zoom'	'reset'	Whether to zoom in or reset to initial scale on double-click / double-tap.