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react-picture-viewer

v1.0.9

Published

react-picture-viewer is an image viewer for React.

Downloads

24

Readme

react-picture-viewer

An picture viewer for React with no dependencies.

ReactPictureViewer Demo

English | 简体中文

Features

  • [x] You can freely drag picture within the viewport
  • [x] You can freely zoom picture within the viewport
  • [x] Min/max zoom size
  • [x] No dependencies, except React

Installation

npm install react-picture-viewer --save

or

yarn add react-picture-viewer

Demo

You can run the project locally to see the demo.

yarn start

or

npm run start

Usage

Include the main js module:

import ReactPictureViewer from 'react-picture-viewer'

Example

import ReactPictureViewer from 'react-picture-viewer';

class Demo extends React.Component {
  // ...
  render() {
    return (
      <div>
        <ReactPictureViewer>
          <img src="..." alt="picture" draggable="false" />
        </ReactPictureViewer>
      </div>
     )
  }
  // ...
}

Props

children (required)

<ReactPictureViewer>
  <img src="..." alt="picture" draggable="false" />
</ReactPictureViewer>

You should always pass an <Img /> element as its children.

id (optional)

<div>
  <ReactPictureViewer id="picture-viewer1">...</ReactPictureViewer>
  <ReactPictureViewer id="picture-viewer2">...</ReactPictureViewer>
</div>

Unique identifier for components, useful when rendering multiple components on a page

className (optional)

<ReactPictureViewer className="picture-viewer">...</ReactPictureViewer>

ClassName

center (optional)

<ReactPictureViewer center>...</ReactPictureViewer>

If true then the pictures will be displayed in the middle of the viewport, default to true.

contain (optional)

<ReactPictureViewer contain>...</ReactPictureViewer>

If true then the initial size of the picture will be limited to the viewport, else the image will be displayed in the original size, default to true.

width (optional)

<ReactPictureViewer width={500}>...</ReactPictureViewer>
<ReactPictureViewer width="50vw">...</ReactPictureViewer>

Width of viewport, it can be string or number.

height (optional)

<ReactPictureViewer height={400}>...</ReactPictureViewer>
<ReactPictureViewer width="40%">...</ReactPictureViewer>

Height of viewport, it can be string or number.

minimum (optional)

<ReactPictureViewer minimum={1}>...</ReactPictureViewer>

Minimum scaling ratio, default to 0.8

maximum (optional)

<ReactPictureViewer maximum={5}>...</ReactPictureViewer>

Maximum scaling ratio, default to 8

rate (optional)

<ReactPictureViewer rate={20}>...</ReactPictureViewer>

The rate of Image Scaling, default to 10. Bigger the number you set, faster the image will zoom in.