canvasWidth = DEFAULT_PREVIEW_HEIGHT * imgAspect; canvasHeight = DEFAULT_PREVIEW_HEIGHT; } // Center the image in the canvas offsetX = (DEFAULT_PREVIEW_WIDTH - canvasWidth) / 2; offsetY = (DEFAULT_PREVIEW_HEIGHT
'use client' import { DrawShape, IrregularImageCrop } from 'react-images-editor' import { useState } from 'react' import { PointsProps } from '@/types' import styles from './styles.module.css' interface IDimensions { width: number height: number } export default function Canvas() { const...
loadImageFromDB: This method sends an HTTP GET request to an API endpoint to fetch image data. It then deserializes the response into aCustomImageDataobject. If the image data is present, it converts the binary data to a base64 string and displays it in the Image Editor component. saveIm...
2.记录鼠标在父元素中按下(开始移动)和抬起(结束移动)的位置 handleDown() handleMove() handleUp() 3.计算出马赛克的位置和大小,在canvas中绘制马赛克 createMosaic() (可对马赛克的像素数和颜色区间进行自定义) 4.保存绘制结果为base64 save() import { useRef, useImperativeHandle, forwardRef, useReducer, ...
canvas.toBlob(function(blob: any) {constfileReader =newFileReader(); fileReader.onload=async(e: any) => {console.log(e.target.result)//base64}; fileReader.readAsDataURL(blob); fileReader.onerror=() =>{ }; },'image/jpeg') } 2、图片编辑器filerobot-image-editor ...
}consthandleCropImage= () => {if(editor.current) {constcanvas = editor.current.getImageScaledToCanvas();constcroppedImage = canvas.toDataURL('image/jpeg');// 处理裁剪后的图像} }return(<div><inputtype="file"onChange={handleImageChange}/><AvatarEditorref={editor}image={image}width={250}heigh...
A fundamental image editor component based on react and konva.You can use it withreact-konva-editor-kitwhich supplies some tools about transforming and styling of text and image on canvas. 中文 Installation $ npm install react-konva-editor ...
需要注意的是,上述示例中的react-image-resizer库仅用于显示图像,并不提供图像处理的功能。如果需要更复杂的图像处理,可以考虑使用其他第三方库,比如react-image-crop或react-avatar-editor。 此外,还可以使用Canvas API来调整图像大小。通过使用react-canvas库,可以在React组件中使用Canvas API来进行图像处理。具体的实现...
react-image-crop强大的图片裁切库 react-sparklines基于数据自动生成趋势线 dom-to-image基于dom生成图片的canvas库 react-img-editor图片编辑器 8. 编辑器相关 braft-editor富文本编辑器 powerNicemarkdown/富文本编辑器 GGEditor可视化图编辑器 react-codemirror2代码编辑器 ...
allowedFileTypes: ['image/*'], async customUpload(file, insertFn) { richerEditorUpload(file, 15, insertFn, 'img'); }, }, uploadVideo: { server: '/apiupload', // 选择文件时的类型限制,默认为 ['video/*'] 。如不想限制,则设置为 [] ...