PHP implements a two-dimensional code with custom images in the middle

Class qrcode{ public $w; Public $h; Public $s; function __construct ($w 1, $h 1, $s 1) { $this->w = $w 1; $this->h = $h 1; $this->s = $s 1; $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"); Copy Code 2, and then, through a PHP file will be the QR code and your purpose picture to draw together. $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); $FP 2= @fopen ($filename, "a"); Fwrite ($fp 2, $img); Fclose ($fp 2); 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) { Get the original information $info = Getimageinfo ($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); Calculating the zoom ratio if ($scale >= 1) { More than the original size is no longer abbreviated $width = $srcWidth; $height = $srcHeight; } else { Thumbnail size $width = (int) ($srcWidth * $scale); $height = (int) ($srcHeight * $scale); } Load in original $createFun = ' Imagecreatefrom '. ($type = = ' jpg '? ' JPEG ': $type); $SRCIMG = $createFun ($image); Create a thumbnail image if ($type! = ' gif ' && function_exists (' Imagecreatetruecolor ')) $THUMBIMG = Imagecreatetruecolor ($width, $height); Else $THUMBIMG = Imagecreate ($width, $height); Copy Picture if (function_exists ("imagecopyresampled")) Imagecopyresampled ($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);//Cancel the default process color mode Imagesavealpha ($THUMBIMG, true);//set to save full alpha channel information $background _color = imagecolorallocate ($thumbImg, 0, 255, 0); Assign a Green Imagecolortransparent ($THUMBIMG, $background _color); Set to Transparent color, if the line is commented out the output of the green graph } Set up interlaced scanning for JPEG graphics if (' jpg ' = = $type | | ' jpeg ' = = $type) Imageinterlace ($THUMBIMG, $interlace); Create a picture $imageFun = ' image '. ($type = = ' jpg '? ' JPEG ': $type); $imageFun ($THUMBIMG, $thumbname); Imagedestroy ($THUMBIMG); Imagedestroy ($SRCIMG); return $thumbname; } return false; } function water ($source, $thumb, $savename = "", $alpha =100) { Check if the file exists if (!file_exists ($source) | |!file_exists ($THUMB)) return false; Picture information $sInfo = Getimageinfo ($source); $water = Thumb ($thumb, "wy.jpg", "jpg", $sInfo ["width"]/4, $sInfo ["height"]/4); $wInfo = Getimageinfo ($water); If the picture is smaller than the watermark picture, the picture is not generated if ($sInfo ["width"] < $wInfo ["width"] | | $sInfo [' height '] < $wInfo [' height ']) return false; Create an image $sCreateFun = "Imagecreatefrom". $sInfo [' type ']; $sImage = $sCreateFun ($source); $wCreateFun = "Imagecreatefrom". $wInfo [' type ']; $wImage = $wCreateFun ($water); To set the color blending mode of an image Imagealphablending ($wImage, true); Image position, default to right bottom right corner $posY = $sInfo ["height"]-$wInfo ["height"]; $posX = $sInfo ["width"]-$wInfo ["width"]; $posY = ($sInfo ["height"]-$wInfo ["height"])/2; $posX = ($sInfo ["width"]-$wInfo ["width"])/2; Generating mixed images Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [' width '], $wInfo [' height '], $alpha); Output image $ImageFun = ' Image '. $sInfo [' type ']; If the save file name is not given, the original image name is the default if (! $savename) { $savename = $source; @unlink ($source); } Save Image $ImageFun ($sImage, $savename); Imagedestroy ($sImage); } Water ($source, $water); Copy Code In the code above, 3 functions Grabimage () function is to convert a file that generates a QR code into a picture the next function is to manipulate the image's zoom to add the destination image to the two-bit. 3, in a portal file index.html code is as follows: A two-dimensional code generator that can define its own image in the middle _bbs.it-home.org Note the URL of the submission"method=" POST "> A two-dimensional code generator that can define a picture in the middle Two-dimensional code to be raw content: Want to add your own image address: Copy Code

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