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HomeBackend DevelopmentPHP Tutorial10 recommended articles about watermark images

This article mainly introduces the relevant information of PHP to generate random watermark pictures in detail. It has certain reference value. Interested friends can refer to the GD graphics library based on PHP and generate a picture by themselves. Only for those who are new to the GD library and can learn from examples. 1. The layout of the demand website uses a style similar to the MOOC course list. Each course is a banner picture, and below the picture is the title and introduction. Because there are a large number of courses, there are no special banners designed for all courses, so you need to generate images yourself according to certain rules (I originally planned to use p layout to solve the problem, but p+img is not very easy to control in responsive layout) . Generated renderings: 2. Tools & Materials 1. Open the GD graphics library extension in PHP 2. Prepare multiple small watermark images 3. Obtain the background color RGB value of the pre-generated image 3. The process of generating images through code, which is done in the code Detailed notes. class GenerateRandomImage { /**@var integer image width*/ &nb

1. Sample code sharing for PHP to implement the function of randomly generating watermark images

10 recommended articles about watermark images

##Introduction: This article mainly introduces the relevant information of PHP to generate random watermark images in detail. It has certain reference value. Interested friends can refer to it

2. php adds watermark to pictures_PHP tutorial

Introduction: php adds watermark to pictures. ?php /*** Watermark the picture (applicable to png/jpg/gif format) * * @author flynetcn * * @param $srcImg original picture* @param $waterImg watermark picture* @param $savepath save path* @para

3. Add Chinese and image watermark codes to php images_PHP tutorial

Introduction: Add Chinese and image watermark codes to php images. $ico_pic is the watermark image you want to add watermark to the image. The other parameters are explained in detail. If you find this kind of code, you can download it and save it as a php file and then use the caller mentioned later

4. php implements the function of adding watermarks to pictures_PHP tutorial

Introduction: php implements the function of adding watermarks to pictures. Copy the code as follows: ?php /** * Add watermark to image (applicable to png/jpg/gif format) * * @author flynetcn * * @param $srcImg original image* @param $waterImg watermark image* @param $sa

5. php QR code plus watermark picture_PHP tutorial

Introduction: php QR code plus watermark picture . $logo = 'logo.png'; if(is_file($logo)) { $QR = imagecreatefromstring(file_get_contents($filename)); $logo = imagecreatefromstring(file_get_contents($logo)); $QR_width = imagesx($QR

6. PHP watermark code supports text and image watermark_PHP tutorial

Introduction: PHP watermark code support Text and picture watermarks. PHP adds picture watermarks and text watermark class codes. PHP adds watermark classes that support transparency settings for text and picture watermarks and transparent backgrounds for watermark pictures. A class I wrote because I developed it myself. 7.

Add text watermarks and image watermarks to pictures, add text watermarks to pictures_PHP tutorial

Introduction: Add text watermarks and picture watermarks to pictures , add text watermark to picture. Add text watermark and picture watermark to picture, add text watermark to picture? php /* * * @desc Image processing class*/ class Pic{ private $info ; private $res ; public $thumb_pic ; public funct

8.

PHP Example for Making Watermark Pictures

Introduction: PHP example to create watermark images

9.

How to remove the phpcms image in the comment column urgently? deal with

Introduction: Urgent! How to remove the phpcms image in the comment column? urgent! How to remove the phpcms image in the comment column? It’s the phpcms watermark image in the comment box------Solution--------------------I don’t know 丿 ------solution-------------------- It's very simple, just modify the corresponding css. ------Solution-------------

#10. Add watermark to uploaded pictures? How to solve

#Introduction: Add watermark to uploaded pictures? ? ? Add watermark to uploaded pictures? ? ? I made a function to upload images (after testing, I can upload images, and there is no problem with this). Now I want to add a watermark image (a small gif) when uploading images. When uploading images, the webpage prompts the function imagecopymerge() to report an error. I don’t know what went wrong. Please help me see the upload image function code: PHP code /* $files is the uploaded image file $folder is the folder where images are uploaded */

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