importReact, { useState }from'react';importReactCropfrom'react-image-crop';import'react-image-crop/dist/ReactCrop.css';constImageCropperComponent= () => {const[src, setSrc] =useState(null);const[crop, setCrop] =useState({aspect:16/9});const[croppedImageUrl, setCroppedImageUrl] =useState(...
(一)基础示例 以下是一个使用react-image-crop实现的基本图片裁剪组件: AI检测代码解析 importReact,{useState}from'react';importReactCropfrom'react-image-crop';import'react-image-crop/dist/ReactCrop.css';constImageCropperComponent=()=>{const[src,setSrc]=useState(null);const[crop,setCrop]=useState({...
<GestureHandlerRootView><Cropperphoto={photo}onCanceled={()=>setShowCropper(false)}onConfirmed={(path)=>displayCroppedImage(path)}/></GestureHandlerRootView> AddGestureDetectorfor the canvas. <GestureDetectorgesture={composed}><Canvasstyle={{flex:1}}></Canvas></GestureDetector> ...
首先,install 及其对等依赖项:react-image-crop AI检测代码解析 npm install react-image-crop npm install --save react-cropper 1. 2. 创建Cropper 组件: 以下是使用的图像裁剪器的简单实现:react-image-crop AI检测代码解析 import React, { useState, useRef } from 'react'; import ReactCrop from 'react-...
以下是一个使用react-image-crop实现的基本图片裁剪组件: importReact,{useState}from'react';importReactCropfrom'react-image-crop';import'react-image-crop/dist/ReactCrop.css';constImageCropperComponent=()=>{const[src,setSrc]=useState(null);const[crop,setCrop]=useState({aspect:16/9});const[cropped...
function ImageCropper() { const [isLoading, setIsLoading] = useState(false); const handleFileChange = async (e) => { setIsLoading(true); const file = e.target.files[0]; try { // 进行图片处理操作 } catch (error) { console.error(error.message); } finally { setIsLoading(false); ...
import'react-image-crop/dist/ReactCrop.css'// or scss:import'react-image-crop/src/ReactCrop.scss' Example importReactCrop,{typeCrop}from'react-image-crop'functionCropDemo({src}){const[crop,setCrop]=useState<Crop>()return(<ReactCropcrop={crop}onChange={c=>setCrop(c)}></ReactCrop>)} See...
image.png 这一块主要是利用了canvas和cropper的能力, 我们通过控制canvas对象的宽高比例, 和canvas提供的toBlob来实现图片的压缩, 核心代码如下: if (typeof cropper !== "undefined") { setCropData(cropper.getCroppedCanvas().toDataURL()); const rate = 1 / (4 - imgLevel); ...
react-image-crop react-image-cropper react-cropper react-crop react-progress file-upload uploader file-uploader image-uploader View more bytescale-ci •4.19.0•10 months ago•2dependents•MITpublished version4.19.0,10 months ago2dependentslicensed under $MIT ...
npm install react-image-crop 使用示例: jsx import React, { useRef, useState } from 'react'; import ImageCrop from 'react-image-crop'; import 'react-image-crop/dist/ReactCrop.css'; const ImageCropper = () => { const [image, setImage] = useState(null); const imageRef = useRef...