<?php

 /**  * QR Code + Logo Generator QR图片中间加logo，QR是根据google开放api生成的，其实啥都没有

   *       */  //ini_set("auto_detect_line_endings", true);

  

  $data = isset($_GET['data']) ? $_GET['data'] : 'http://www.kuitao8.com';

  $size = isset($_GET['size']) ? $_GET['size'] : '400x400';

  $logo = isset($_GET['logo']) ? $_GET['logo'] : 'http://www.baidu.com/img/baidu_sylogo1.gif';//中间那logo图

  // Get QR Code image from Google Chart API

  // http://code.google.com/apis/chart/infographics/docs/qr_codes.html

  //https://chart.googleapis.com/chart?cht=qr&chld=H|1&chs='.$size.'&chl='.urlencode($data));

  $png = "http://chart.googleapis.com/chart?chs=150x150&cht=qr&chl=http://www.baidu.com&chld=L|1&choe=UTF-8";

  $QR = imagecreatefrompng($png);//Warning: imagecreatefrompng() [function.imagecreatefrompng]: Unable to find the wrapper "https" - did you forget to enable it when you configured PHP? =

  //$QR = imagecreatefrompng('./chart.png');//外面那QR图

  if($logo !== FALSE){

   $logo = imagecreatefromstring(file_get_contents($logo));

  

   $QR_width = imagesx($QR);

   $QR_height = imagesy($QR);

       

   $logo_width = imagesx($logo);

   $logo_height = imagesy($logo);

          

   // Scale logo to fit in the QR Code

   $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;

   //echo $from_width;exit;

   imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width, $logo_qr_height, $logo_width, $logo_height);

  }

  header('Content-type: image/png');

  imagepng($QR);

  imagedestroy($QR);

 ?>