Cropperjs as React component
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
ref
has been removed. Use the onInitialized
method to get the cropper
instance.aspectRatio
use initialAspectRatio
.data
, canvasData
and cropBoxData
are directly passed on to cropperjs
and their respective setters are not called as earlier.moveTo
as earlier. Directly use the moveTo
method from the cropper
instance.@types/react-cropper
and provides its own types. Please uninstall/remove @types/react-cropper
as they might 'cause issues.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)}
/>
);
}
}
string
null
<Cropper src="http://fengyuanchen.github.io/cropper/images/picture.jpg" />
string
picture
string
null
https://github.com/fengyuanchen/cropperjs#dragmode
https://github.com/fengyuanchen/cropperjs#scalexscalex
https://github.com/fengyuanchen/cropperjs#scalexscaley
https://github.com/fengyuanchen/cropperjs#enable
https://github.com/fengyuanchen/cropperjs#disable
https://github.com/fengyuanchen/cropperjs#zoomto
https://github.com/fengyuanchen/cropperjs#rotateto
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}
/>
Use the cropper
instance from onInitialized
to access cropperjs methods
npm run build
npm start
Fong Kuanghuei(fongkuanghui@gmail.com)
Author: react-cropper
Demo: https://react-cropper.github.io/react-cropper/
Source Code: https://github.com/react-cropper/react-cropper
#react #reactjs #javascript