71 lines
1.9 KiB
PHP
71 lines
1.9 KiB
PHP
<?php
|
|
namespace RobThree\Auth\Providers\Qr;
|
|
|
|
use Endroid\QrCode\ErrorCorrectionLevel;
|
|
use Endroid\QrCode\QrCode;
|
|
|
|
class EndroidQrCodeProvider implements IQRCodeProvider
|
|
{
|
|
public $bgcolor;
|
|
public $color;
|
|
public $margin;
|
|
public $errorcorrectionlevel;
|
|
|
|
public function __construct($bgcolor = 'ffffff', $color = '000000', $margin = 0, $errorcorrectionlevel = 'H')
|
|
{
|
|
$this->bgcolor = $this->handleColor($bgcolor);
|
|
$this->color = $this->handleColor($color);
|
|
$this->margin = $margin;
|
|
$this->errorcorrectionlevel = $this->handleErrorCorrectionLevel($errorcorrectionlevel);
|
|
}
|
|
|
|
public function getMimeType()
|
|
{
|
|
return 'image/png';
|
|
}
|
|
|
|
public function getQRCodeImage($qrtext, $size)
|
|
{
|
|
return $this->qrCodeInstance($qrtext, $size)->writeString();
|
|
}
|
|
|
|
protected function qrCodeInstance($qrtext, $size)
|
|
{
|
|
$qrCode = new QrCode($qrtext);
|
|
$qrCode->setSize($size);
|
|
|
|
$qrCode->setErrorCorrectionLevel($this->errorcorrectionlevel);
|
|
$qrCode->setMargin($this->margin);
|
|
$qrCode->setBackgroundColor($this->bgcolor);
|
|
$qrCode->setForegroundColor($this->color);
|
|
|
|
return $qrCode;
|
|
}
|
|
|
|
private function handleColor($color)
|
|
{
|
|
$split = str_split($color, 2);
|
|
$r = hexdec($split[0]);
|
|
$g = hexdec($split[1]);
|
|
$b = hexdec($split[2]);
|
|
|
|
return ['r' => $r, 'g' => $g, 'b' => $b, 'a' => 0];
|
|
}
|
|
|
|
private function handleErrorCorrectionLevel($level)
|
|
{
|
|
switch ($level) {
|
|
case 'L':
|
|
return ErrorCorrectionLevel::LOW();
|
|
case 'M':
|
|
return ErrorCorrectionLevel::MEDIUM();
|
|
case 'Q':
|
|
return ErrorCorrectionLevel::QUARTILE();
|
|
case 'H':
|
|
return ErrorCorrectionLevel::HIGH();
|
|
default:
|
|
return ErrorCorrectionLevel::HIGH();
|
|
}
|
|
}
|
|
}
|