//生成带logo的二维码图片
- include 'phpqrcode.php';
- $value = 'http://www.cnblogs.com/txw1958/'; //QR code content
- $errorCorrectionLevel = 'L';/ /Error tolerance level
- $matrixPointSize = 6; //Generate image size
- //Generate QR code image
- QRcode::png($value, 'qrcode.png', $errorCorrectionLevel, $matrixPointSize, 2);
- $logo = 'logo.png';//Prepared logo image
- $QR = 'qrcode.png';//Generated original QR code image
-
- if ($logo !== FALSE) {
- $QR = imagecreatefromstring (file_get_contents($QR));
- $logo = imagecreatefromstring(file_get_contents($logo));
- $QR_width = imagesx($QR);//QR code image width
- $QR_height = imagesy($QR);// QR code image height
- $logo_width = imagesx($logo);//logo image width
- $logo_height = imagesy($logo);//logo image height
- $logo_qr_width = $QR_width / 5;
- $scale = $logo_width /$logo_qr_width;
- $logo_qr_height = $logo_height/$scale;
- $from_width = ($QR_width - $logo_qr_width) / 2;
- //Recombine the image and resize
- imagecopyresampled($QR, $logo, $from_width, $ from_width, 0, 0, $logo_qr_width,
- $logo_qr_height, $logo_width, $logo_height);
- }
- //Output image
- imagepng($QR, 'helloweixin.png');
- echo '';
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