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Diffstat (limited to 'frontend/app/common/imageCrop.component.js')
| -rw-r--r-- | frontend/app/common/imageCrop.component.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/frontend/app/common/imageCrop.component.js b/frontend/app/common/imageCrop.component.js new file mode 100644 index 0000000..f687d90 --- /dev/null +++ b/frontend/app/common/imageCrop.component.js @@ -0,0 +1,41 @@ +import React, { Component } from 'react'; +import { cropImage } from 'app/utils' + +export default class ImageCrop extends Component { + state = { + cropURL: null + } + + componentDidMount() { + const { url, crop } = this.props + this.crop(url, crop) + } + + componentDidUpdate(prevProps) { + const { url, crop } = this.props + if (this.props.crop !== prevProps.crop) { + cropImage(url, crop).then(canvas =>{ + const cropURL = canvas.toDataURL('image/jpeg', 0.8) + this.setState({ cropURL }) + }) + } + } + + crop(url, crop) { + cropImage(url, crop).then(canvas =>{ + const cropURL = canvas.toDataURL('image/jpeg', 0.8) + this.setState({ cropURL }) + }) + } + + + render() { + const { cropURL } = this.state + if (!cropURL) { + return null + } + return ( + <img src={cropURL} className='preview' /> + ) + } +} |
