php 二维码加水印图片支持ios,android,win8-PHP源码-php.cn

Home

php教程

PHP源码

php 二维码加水印图片支持ios,android,win8

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 08, 2016 pm 05:22 PM

heightlogonbspwidth

php生成二维码一般都是使用用一些插件来实现了，下面我们利用phpqrcode来给各位朋友实现生成二维码的同时现加一个水印logo上去，下面看例子。

给手机app作一个二维码的接口，要求支持iso,android,win8手机，找了第三个方工具phpqrcode。

1，下载地址

源码下载：https://github.com/t0k4rt/phpqrcode

2，加水印图片，片段代码

代码如下

复制代码

$logo = 'logo.png';

    if(is_file($logo))
    {
        $QR = imagecreatefromstring(file_get_contents($filename));
        $logo = imagecreatefromstring(file_get_contents($logo));
        $QR_width = imagesx($QR);
        $QR_height = imagesy($QR);
        $logo_width = imagesx($logo);
        $logo_height = imagesy($logo);
        $logo_qr_width = $QR_width / 5;
        $scale = $logo_width / $logo_qr_width;
        $logo_qr_height = $logo_height / $scale;
        $from_width = ($QR_width - $logo_qr_width) / 2;
        imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width, $logo_qr_height, $logo_width, $logo_height);
        imagepng($QR,$filename);
    }

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress images for free

Clothoff.io

AI clothes remover

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

How to fix KB5055523 fails to install in Windows 11?

3 weeks agoByDDD

How to fix KB5055518 fails to install in Windows 10?

3 weeks agoByDDD

Strength Levels for Every Enemy & Monster in R.E.P.O.

3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Roblox: Dead Rails - How To Tame Wolves

3 weeks agoByDDD

Roblox: Grow A Garden - Complete Mutation Guide

2 weeks agoByDDD

Hot Tools

SublimeText3 Linux new version

SublimeText3 Linux latest version

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),