Created
September 6, 2013 09:14
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使用PHP生成带LOGO的个性化二维码图像
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$data = 'http://www.putclub.com'; | |
$size = '200x200'; | |
$logo = './1.jpg'; // 中间那logo图 | |
// 通过google api生成未加logo前的QR图,也可以自己使用RQcode类生成 | |
$png = 'http://chart.googleapis.com/chart?chs=' . $size . '&cht=qr&chl=' . urlencode($data) . '&chld=L|1&choe=UTF-8'; | |
$QR = imagecreatefrompng($png); | |
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); | |
$logo_qr_width = $QR_width / 5; | |
$scale = $logo_width / $logo_qr_width; | |
$logo_qr_height = $logo_height / $scale; | |
$from_width = ($QR_width - $logo_qr_width) / 2; | |
imagecopyresampled($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); |
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