importReact, { useState }from'react';importReactCropfrom'react-image-crop';import'react-image-crop/dist/ReactCrop.css';constImageCropperComponent= () => {const[src, setSrc] =useState(null);const[crop, setCrop] =
首先,install 及其对等依赖项:react-image-crop 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 import React, { useState, useRef } from 'react'; import ReactCrop from 'react-image-crop'; import 'react-i...
It uses React Native Skia and React Native Gesture Handler to provide an interactive cropper.Dynamsoft Document Normalizer is used to detect the document boundaries and do perspective transformation to crop the image.New ProjectCreate a new React Native project:...
React Image Cropper A React.JS Image Cropper Touch supported See the demo Custom: initial cropper frame position frame width, height, ratio crop event Hot to Use import {Cropper} from 'react-image-cropper' styles are all inline define Cropper with src, and ref to execute crop method ...
ios-image-cropper.mp4 Getting Started Note: Make sure you have completed the React Native - Environment Setup instructions till "Creating a new application" step, before proceeding. Step 1: Start the Metro Server First, you will need to start Metro, the JavaScript bundler that ships with Reac...
importCustomCropfrom"react-native-perspective-image-cropper";classCropViewextendsComponent{ componentWillMount() { Image.getSize(image, (width, height) => {this.setState({imageWidth: width,imageHeight: height,initialImage: image,rectangleCoordinates: {topLeft: {x:10,y:10},topRight: {x:10,y:...
React Native Perspective Image Cropper是一个功能强大的库,它允许开发者对图片进行自定义裁剪、调整大小和透视校正。通过使用该库,开发者可以实现各种图像处理效果,提高用户体验。 在使用React Native Perspective Image Cropper时,开发者可以根据自己的需求自定义裁剪区域的形状和尺寸。同时,该库还支持图像的缩放和旋转,...
reactnativeperspectiveimagecropperperform是一个用于在React Native中实现裁剪、调整大小和纠正透视校正的自定义组件。以下是该组件的详细描述: 1. 裁剪:该组件提供了一个简单的裁剪功能,允许用户选择要裁剪的区域。用户可以拖动裁剪框来定义裁剪区域,然后点击“确定”按钮来应用裁剪。 2. 调整大小:该组件允许用户根据...
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...
图片裁剪允许用户选择并裁剪图片的特定区域,以满足特定的尺寸或比例要求。在React中,通常使用第三方库如react-image-crop或cropperjs-react来实现这一功能。这些库封装了复杂的裁剪逻辑,使得开发者可以专注于业务逻辑的实现。 (二)基本实现步骤 安装依赖 首先需要安装相应的图片裁剪库。例如,对于react-image-crop: ...