本地大量长图,要发送给别人,所以要对图片进行裁剪+转换pdf+压缩 import zipfile import os from concurrent.futures import ThreadPoolExecutor from reportlab.lib.pagesizes import A4, landscape from reportlab.pdfgen import canvas from PIL import Image import time # 设置全局变量 filepath = "…
using System; using System.Drawing; using Emgu.CV; using Emgu.CV.CvEnum; using Emgu.CV.Structure; namespace ZNLGIS { public class ImageClass { //图片裁剪 public static Image<Bgr, Byte> Cut(Image<Bgr,Byte> image ,Rectangle rectangle) { System.Drawi…
node.js中使用imagemagick进行图片裁剪压缩 安装imagemagick sudo apt-get install imagemagick or wget http://www.imagemagick.org/download/ImageMagick.tar.gz tar zxvf ImageMagick.tar.gz cd ImageMagick ./configure --prefix=/usr/local make sudo make install 安装GraphicsMa…
atom编辑器markdown转换PDF 解决AssertionError: html-pdf: Failed to load PhantomJS module. You have to set the path to the PhantomJS binary using 'options.phantomPath' 环境Windows10 atom 1. atom编辑器安装 2. 安装插件 3. 安装phantomjs 4. 完成转换 详细步骤: 1. 默认已经安装好 2. 安装转换PDF插件…
1.注册input file标签的onchange事件: 2.检查图片格式: 3.检查图片大小: 4.压缩图片 5.上传图片至服务器: 前端代码: document.getElementById('img-file').addEventListener('change', function (event){ var that=this; var file = that.files[0]; if (file) { var rFilter = /^(image\/jpeg|image\/png|im…