include("../framework/library/qrcode/phpqrcode.php"); //背景图片 $bgimg = MODULE_URL."template/mobile/images/share-qrcode-bgimg.jpg"; //二维码图片 $errorCorrectionLevel = 'L'; // 纠错级别:L、M、Q、H $matrixPointSize = 7; // 点的大小:1到10 $qrcode = $dirpath.$uniacid."_".$openid."_qrcode".'.png'; // 生成的文件名 QRcode::png($infourl, $qrcode, $errorCorrectionLevel, $matrixPointSize, 2); //合成二维码 $savefield = $this->img_water_mark($bgimg, $qrcode, $dirpath, $uniacid."_".$openid.".png", "50", "180"); //合成头像 $avatar = $this->saveImage(substr($member['avatar'], 0, -3)."64.jpg", $dirpath.$uniacid."_".$openid."_avatar"); $savefield = $this->img_water_mark($savefield, $dirpath.$uniacid."_".$openid."_avatar64.jpg", "../attachment/images/fy_lesson/", $uniacid."_".$openid."_ok.png", "50", "30"); //合成昵称 $info = getimagesize($savefield); //通过编号获取图像类型 $type = image_type_to_extension($info[2],false); //在内存中创建和图像类型一样的图像 $fun = "imagecreatefrom".$type; //图片复制到内存 $image = $fun($savefield); //设置字体的路径 $font = "../addons/fy_lesson/template/mobile/ttf/yahei.ttf"; //设置字体颜色和透明度 $color = imagecolorallocatealpha($image, 216, 79, 37, 0); //写入文字 $fun = $dirpath.$uniacid."_".$openid.".png"; imagettftext($image, 19, 0, 215, 70, $color, $font, $member['nickname']); //保存图片 $fun = "image".$type; $okfield = $dirpath.$uniacid."_".$openid."_ok.png"; $fun($image, $okfield); /*销毁图片*/ imagedestroy($image);
水印公共方法:
if(!preg_match('/\/([^\/]+\.[a-z]{3,4})$/i',$path,$matches)){ die('Use image please'); } $image_name = strToLower($matches[1]); $ch = curl_init ($path); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_BINARYTRANSFER,1); $img = curl_exec ($ch); curl_close ($ch); $fp = fopen($file_dir.$image_name,'w'); fwrite($fp, $img); fclose($fp); } /** * 图片加水印(适用于png/jpg/gif格式) * * @author flynetcn * * @param $srcImg 原图片 * @param $waterImg 水印图片 * @param $savepath 保存路径 * @param $savename 保存名字 * @param $positon 水印位置 * * @return 成功 -- 加水印后的新图片地址 * 失败 -- -1:原文件不存在, -2:水印图片不存在, -3:原文件图像对象建立失败 * -4:水印文件图像对象建立失败 -5:加水印后的新图片保存失败 */ public function img_water_mark($srcImg, $waterImg, $savepath=null, $savename=null, $x, $y, $alpha=100){ $temp = pathinfo($srcImg); $name = $temp['basename']; $path = $temp['dirname']; $exte = $temp['extension']; $savename = $savename ? $savename : $name; $savepath = $savepath ? $savepath : $path; $savefile = $savepath .'/'. $savename; $srcinfo = @getimagesize($srcImg); if (!$srcinfo) { return -1; //原文件不存在 } $waterinfo = @getimagesize($waterImg); if (!$waterinfo) { return -2; //水印图片不存在 } $srcImgObj = $this->image_create_from_ext($srcImg); if (!$srcImgObj) { return -3; //原文件图像对象建立失败 } $waterImgObj = $this->image_create_from_ext($waterImg); if (!$waterImgObj) { return -4; //水印文件图像对象建立失败 } imagecopymerge($srcImgObj, $waterImgObj, $x, $y, 0, 0, $waterinfo[0], $waterinfo[1], $alpha); switch ($srcinfo[2]) { case 1: imagegif($srcImgObj, $savefile); break; case 2: imagejpeg($srcImgObj, $savefile); break; case 3: imagepng($srcImgObj, $savefile); break; default: return -5; //保存失败 } imagedestroy($srcImgObj); imagedestroy($waterImgObj); return $savefile; } public function image_create_from_ext($imgfile) { $info = getimagesize($imgfile); $im = null; switch ($info[2]) { case 1: $im=imagecreatefromgif($imgfile); break; case 2: $im=imagecreatefromjpeg($imgfile); break; case 3: $im=imagecreatefrompng($imgfile); break; } return $im; }