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Draw face detection box
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import React, { Component } from 'react'; | |
import { withRouter } from 'react-router-dom'; | |
import { loadModels, getFullFaceDescription } from '../api/face'; | |
// Import image to test API | |
const testImg = require('../img/test.jpg'); | |
// Initial State | |
const INIT_STATE = { | |
imageURL: testImg, | |
fullDesc: null, | |
detections: null | |
}; | |
class ImageInput extends Component { | |
constructor(props) { | |
super(props); | |
this.state = { ...INIT_STATE }; | |
} | |
componentWillMount = async () => { | |
await loadModels(); | |
await this.handleImage(this.state.imageURL); | |
}; | |
handleImage = async (image = this.state.imageURL) => { | |
await getFullFaceDescription(image).then(fullDesc => { | |
if (!!fullDesc) { | |
this.setState({ | |
fullDesc, | |
detections: fullDesc.map(fd => fd.detection) | |
}); | |
} | |
}); | |
}; | |
handleFileChange = async event => { | |
this.resetState(); | |
await this.setState({ | |
imageURL: URL.createObjectURL(event.target.files[0]), | |
loading: true | |
}); | |
this.handleImage(); | |
}; | |
resetState = () => { | |
this.setState({ ...INIT_STATE }); | |
}; | |
render() { | |
const { imageURL, detections } = this.state; | |
let drawBox = null; | |
if (!!detections) { | |
drawBox = detections.map((detection, i) => { | |
let _H = detection.box.height; | |
let _W = detection.box.width; | |
let _X = detection.box._x; | |
let _Y = detection.box._y; | |
return ( | |
<div key={i}> | |
<div | |
style={{ | |
position: 'absolute', | |
border: 'solid', | |
borderColor: 'blue', | |
height: _H, | |
width: _W, | |
transform: `translate(${_X}px,${_Y}px)` | |
}} | |
/> | |
</div> | |
); | |
}); | |
} | |
return ( | |
<div> | |
<input | |
id="myFileUpload" | |
type="file" | |
onChange={this.handleFileChange} | |
accept=".jpg, .jpeg, .png" | |
/> | |
<div style={{ position: 'relative' }}> | |
<div style={{ position: 'absolute' }}> | |
<img src={imageURL} alt="imageURL" /> | |
</div> | |
{!!drawBox ? drawBox : null} | |
</div> | |
</div> | |
); | |
} | |
} | |
export default withRouter(ImageInput); |
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