- class QRCode{
- public $w;
- public $h;
- public $s;
- function __construct($w1,$h1,$s1){
- $this->w = $w1;
- $this->h = $h1;
- $this->s = $s1;
- $this->outimgase();
- }
- function qrcode(){
- $post_data = array();
- $post_data['cht'] = 'qr';
- $post_data['chs'] = $this->w."x".$this->h;
- $post_data['chl'] = $this->s;
- $post_data['choe'] = "UTF-8";
- $url = "http://chart.apis.google.com/chart";
- $data_Array = array();
- foreach($post_data as $key => $value)
- {
- $data_Array[] = $key.'='.$value;
- }
- $data = implode("&",$data_Array);
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_POST, 1);
- curl_setopt($ch, CURLOPT_HEADER, 0);
- curl_setopt($ch, CURLOPT_URL, $url);
- curl_setopt($ch, CURLOPT_POSTFIELDS,$data);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
- $result = curl_exec($ch);
- curl_close($ch);
- return $result;
- }
- function outimgase(){
- echo $this->qrcode();
- }
- }
- header("Content-type:image/png");
- $t = new QRCode(300,300,"tianxin");
2，然后，通过一个php文件将二维码和你的目的图片画在一起。
$surl = $_POST["url"]; - function GrabImage($url,$filename="") {
- if($url==""):return false;endif;
- if($filename=="") {
- $ext=strrchr($url,".");
- if($ext!=".gif" && $ext!=".jpg"):return false;endif;
- $filename=date("dMYHis").$ext;
- }
- ob_start();
- readfile($url);
- $img = ob_get_contents();
- ob_end_clean();
- $size = strlen($img);
- $fp2=@fopen($filename, "a");
- fwrite($fp2,$img);
- fclose($fp2);
- return $filename;
- }
- $source = GrabImage("http://localhost/QRCode/QRCode.php","Myqrcode.png");
- $water =GrabImage($surl,"t.png");
- function getImageInfo($img){
- $imageInfo = getimagesize($img);
- if ($imageInfo !== false) {
- $imageType = strtolower(substr(image_type_to_extension($imageInfo[2]), 1));
- $imageSize = filesize($img);
- $info = array(
- "width" => $imageInfo[0],
- "height" => $imageInfo[1],
- "type" => $imageType,
- "size" => $imageSize,
- "mime" => $imageInfo['mime']
- );
- return $info;
- } else {
- return false;
- }
- }
- function thumb($image, $thumbname, $type='', $maxWidth=200, $maxHeight=50, $interlace=true) {
- // 获取原图信息
- $info = getImageInfo($image);
- if ($info !== false) {
- $srcWidth = $info['width'];
- $srcHeight = $info['height'];
- $type = empty($type) ? $info['type'] : $type;
- $type = strtolower($type);
- $interlace = $interlace ? 1 : 0;
- unset($info);
- $scale = min($maxWidth / $srcWidth, $maxHeight / $srcHeight); // 计算缩放比例
- if ($scale >= 1) {
- // 超过原图大小不再缩略
- $width = $srcWidth;
- $height = $srcHeight;
- } else {
- // 缩略图尺寸
- $width = (int) ($srcWidth * $scale);
- $height = (int) ($srcHeight * $scale);
- }
- // 载入原图
- $createFun = 'ImageCreateFrom' . ($type == 'jpg' ? 'jpeg' : $type);
- $srcImg = $createFun($image);
- //创建缩略图
- if ($type != 'gif' && function_exists('imagecreatetruecolor'))
- $thumbImg = imagecreatetruecolor($width, $height);
- else
- $thumbImg = imagecreate($width, $height);
- // 复制图片
- if (function_exists("ImageCopyResampled"))
- imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth, $srcHeight);
- else
- imagecopyresized($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth, $srcHeight);
- if ('gif' == $type || 'png' == $type) {
- //imagealphablending($thumbImg, false);//取消默认的混色模式
- //imagesavealpha($thumbImg,true);//设定保存完整的 alpha 通道信息
- $background_color = imagecolorallocate($thumbImg, 0, 255, 0); // 指派一个绿色
- imagecolortransparent($thumbImg, $background_color); // 设置为透明色，若注释掉该行则输出绿色的图
- }
- // 对jpeg图形设置隔行扫描
- if ('jpg' == $type || 'jpeg' == $type)
- imageinterlace($thumbImg, $interlace);
// 生成图片 - $imageFun = 'image' . ($type == 'jpg' ? 'jpeg' : $type);
- $imageFun($thumbImg, $thumbname);
- imagedestroy($thumbImg);
- imagedestroy($srcImg);
- return $thumbname;
- }
- return false;
- }
- function water($source, $thumb, $savename="", $alpha=100){
- //检查文件是否存在
- if (!file_exists($source) || !file_exists($thumb))
- return false;
- //图片信息
- $sInfo = getImageInfo($source);
- $water = thumb($thumb,"wy.jpg","jpg",$sInfo["width"]/4,$sInfo["height"]/4);
- $wInfo = getImageInfo($water);
- //如果图片小于水印图片，不生成图片
- if ($sInfo["width"] < $wInfo["width"] || $sInfo['height'] < $wInfo['height'])
- return false;
- //建立图像
- $sCreateFun = "imagecreatefrom" . $sInfo['type'];
- $sImage = $sCreateFun($source);
- $wCreateFun = "imagecreatefrom" . $wInfo['type'];
- $wImage = $wCreateFun($water);
- //设定图像的混色模式
- imagealphablending($wImage, true);
- //图像位置,默认为右下角右对齐
- // $posY = $sInfo["height"] - $wInfo["height"];
- // $posX = $sInfo["width"] - $wInfo["width"];
- $posY = ($sInfo["height"] - $wInfo["height"])/2;
- $posX = ($sInfo["width"] - $wInfo["width"])/2;
- //生成混合图像
- imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo['width'], $wInfo['height'], $alpha);
- //输出图像
- $ImageFun = 'Image' . $sInfo['type'];
- //如果没有给出保存文件名，默认为原图像名
- if (!$savename) {
- $savename = $source;
- @unlink($source);
- }
- //保存图像
- $ImageFun($sImage, $savename);
- imagedestroy($sImage);
- }
- water($source,$water);
在上面的代码中用3个函数 GrabImage（）函数是将生成二维码的文件转化成图片 接下来的函数就是处理图片的缩放 将目的图片添加到二位上。
3，在来一个入口文件index.html 代码如下：
-
-
- 中间可以自己定义图片的二维码生成器_bbs.it-home.org
-
-
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