add watermark to pdf

This article describes how to add a watermark to a page using the GD Library in php. For more information, see The code is as follows: Header ("Content-type: image/png "); $ Conn = MYSQL_connect ("localhost", "root", ""); // connect to the database $ Colname_rs_article = $ _ GET ['id']; // GET the parameter id Mysql_select_db ("cms", $ conn); // execute SQL $ Query_rs_article = sprintf ("SELECT * FROM ar

First, the preparatory work:First, make sure that you have the node environment installed locally.Then we need to use a node. js library for the image editing operation:images.The address of this library is: Https://github.com/zhangyuanwei/node-images, the author defines it as "node. JS Lightweight cross-platform image codec library" and provides a series of interfaces.The first thing we need to do is install the images library:NPM Install Imagessecond, directly on the demo:The steps are as foll

"C #"autoeventwireup="true"codefile="Default.aspx.cs"inherits="_default"%>"AjaxControlToolkit" namespace="AjaxControlToolkit"tagprefix="Ajaxtoolkit"%>"http://www.w3.org/1999/xhtml">"Server">"Content-type"Content="text/html; Charset=utf-8"/> "Form1"runat="Server"> "ScriptManager1"runat="Server"> "Label1"runat="Server"text="Title:">"TextBox1"runat="Server">"Textbox1_textboxwatermarkextender"runat="Server"Targetcontrolid="TextBox1"watermarktext="Please enter a title"watermarkcssclass="

PHP to add text watermark to the picture, The notes are very detailed, and there's no more nonsense here. The above mentioned is the whole content of this article, I hope you can like. http://www.bkjia.com/PHPjc/1041325.html www.bkjia.com true http://www.bkjia.com/PHPjc/1041325.html techarticle PHP to the picture with a text watermark, the comments are very de

PHP add watermark scale thumbnail fixed height fixed width class. Class image_process{ Public $source; Original Public $source _width; Original width Public $source _height; Original height Public $source _type_id; Public $orign _name; Public $orign _dirname; Incoming original path Public function __construct ($source) { $this->typelist = Array (1=>

The simplest way to add a watermark to PHP PHP Adds a text watermark to the picture Above is PHP to the image Watermark implementation code, I hope you can master.

Tutorial |aspjpeg| Watermark | thumbnail 1. Add watermark function to picture Dim JpegSet Jpeg = Server.CreateObject ("persits.jpeg") ' establishes objectJpeg.open Blogpath "/upload/" FileName image locationJpeg.Canvas.Font.Color = h000000 ' color, here is set to: BlackJpeg.Canvas.Font.Family = "founder of the Simplified" ' Set fontJpeg.Canvas.Font.Bold = Fals

PHP image watermark Add, compress, cut the wrapper class implementation, PHP operation of the image file is mainly to use the GD library extension. When we frequently use PHP to manipulate images, we naturally encapsulate many functions, otherwise we will write too many repetitive code. When there are a lot of related functions of the picture, we can consider the function also to tidy up, so there is the i

[] WatermarkImage (HttpContext context) {byte [] imageBytes = null; if (File. exists (context. request. physicalPath) {// Normally you 'd put this in a config file somewhere. string watermark = "Shifu detection "; Image image = Image. FromFile (context. Request. PhysicalPath); Graphics graphic; if (image. PixelFormat! = PixelFormat. Indexed image. PixelFormat! = PixelFormat. Format8bppIndexed image. PixelFormat! = PixelFormat. Format4bppIndexed im

Do not say anything, directly on the code, you can add the watermark function on their own: Copy CodeThe code is as follows: /** * * @author Zhao Jinhan * @date January 13, 2014 11:54:30 * @email xb_zjh@126.com * */ Header (' content-type:text/html; Charset=utf-8 '); Define the width height of the thumbnail image Define (' Thumb_width ', 300); Define (' Thumb_height ', 300); /** * Regenerate the uploaded