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README.md

react-cropper

Cropperjs as React component

NPM NPM NPM downloads Dependencies Language grade: JavaScript Total alerts Bundle Size minZip Bundle Size min License codecov

Demo

Click for a Demo

Docs

Installation

Install via npm

npm install --save react-cropper

You need cropper.css in your project which is from cropperjs. Since this project have dependency on cropperjs, it located in /node_modules/react-cropper/node_modules/cropperjs/dist/cropper.css or node_modules/cropperjs/dist/cropper.css for npm version 3.0.0 later

Breaking Change (version >= 2.0.0)

  1. Support for ref has been removed. Use the onInitialized method to get the cropper instance. Added back ref support in 2.1.0.
  2. To set initial aspect ratio, instead of using aspectRatio use initialAspectRatio.
  3. Props data, canvasData and cropBoxData are directly passed on to cropperjs and their respective setters are not called as earlier.
  4. React Cropper now does not try to use/execute moveTo as earlier. Directly use the moveTo method from the cropper instance.
  5. React Cropper does not depend on @types/react-cropper and provides its own types. Please uninstall/remove @types/react-cropper as they might 'cause issues.

Quick Example

import React, {Component} from 'react';
import Cropper from 'react-cropper';
import 'cropperjs/dist/cropper.css'; // see installation section above for versions of NPM older than 3.0.0
// If you choose not to use import, you need to assign Cropper to default
// var Cropper = require('react-cropper').default

class Demo extends Component {
    _crop() {
        // image in dataUrl
        console.log(this.cropper.getCroppedCanvas().toDataURL());
    }

    onCropperInit(cropper) {
        this.cropper = cropper;
    }

    render() {
        return (
            <Cropper
                src="http://fengyuanchen.github.io/cropper/images/picture.jpg"
                style={{height: 400, width: '100%'}}
                // Cropper.js options
                initialAspectRatio={16 / 9}
                guides={false}
                crop={this._crop.bind(this)}
                onInitialized={this.onCropperInit.bind(this)}
            />
        );
    }
}

Options

src

  • Type: string
  • Default: null
<Cropper src="http://fengyuanchen.github.io/cropper/images/picture.jpg" />

alt

  • Type: string
  • Default: picture

crossOrigin

  • Type: string
  • Default: null

dragMode

https://github.com/fengyuanchen/cropperjs#dragmode

scaleX

https://github.com/fengyuanchen/cropperjs#scalexscalex

scaleY

https://github.com/fengyuanchen/cropperjs#scalexscaley

enable

https://github.com/fengyuanchen/cropperjs#enable

disable

https://github.com/fengyuanchen/cropperjs#disable

zoomTo

https://github.com/fengyuanchen/cropperjs#zoomto

rotateTo

https://github.com/fengyuanchen/cropperjs#rotateto

Other options

Accept all options in the docs as properties.

<Cropper
    src="http://fengyuanchen.github.io/cropper/images/picture.jpg"
    initialAspectRatio={16 / 9}
    guides={false}
    crop={this._crop}
/>

Methods

Use the cropper instance from onInitialized to access cropperjs methods

Build

npm run build

Development

npm start

Author

Fong Kuanghuei(fongkuanghui@gmail.com)

Maintainer

Shubhendu Shekhar

License

MIT

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