85 lines
2.7 KiB
PHP
Executable File
85 lines
2.7 KiB
PHP
Executable File
<?php
|
|
|
|
final class QrReader
|
|
{
|
|
const SOURCE_TYPE_FILE = 'file';
|
|
const SOURCE_TYPE_BLOB = 'blob';
|
|
const SOURCE_TYPE_RESOURCE = 'resource';
|
|
public $result;
|
|
|
|
function __construct($imgsource, $sourcetype = QrReader::SOURCE_TYPE_FILE, $isUseImagickIfAvailable = true)
|
|
{
|
|
|
|
try {
|
|
switch($sourcetype) {
|
|
case QrReader::SOURCE_TYPE_FILE:
|
|
if($isUseImagickIfAvailable && extension_loaded('imagick')) {
|
|
$im = new Imagick();
|
|
$im->readImage($imgsource);
|
|
}else {
|
|
$image = file_get_contents($imgsource);
|
|
$im = imagecreatefromstring($image);
|
|
}
|
|
|
|
break;
|
|
|
|
case QrReader::SOURCE_TYPE_BLOB:
|
|
if($isUseImagickIfAvailable && extension_loaded('imagick')) {
|
|
$im = new Imagick();
|
|
$im->readimageblob($imgsource);
|
|
}else {
|
|
$im = imagecreatefromstring($imgsource);
|
|
}
|
|
|
|
break;
|
|
|
|
case QrReader::SOURCE_TYPE_RESOURCE:
|
|
$im = $imgsource;
|
|
if($isUseImagickIfAvailable && extension_loaded('imagick')) {
|
|
$isUseImagickIfAvailable = true;
|
|
}else {
|
|
$isUseImagickIfAvailable = false;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
if($isUseImagickIfAvailable && extension_loaded('imagick')) {
|
|
$width = $im->getImageWidth();
|
|
$height = $im->getImageHeight();
|
|
$source = new \Zxing\IMagickLuminanceSource($im, $width, $height);
|
|
}else {
|
|
$width = imagesx($im);
|
|
$height = imagesy($im);
|
|
$source = new \Zxing\GDLuminanceSource($im, $width, $height);
|
|
}
|
|
$histo = new \Zxing\Common\HybridBinarizer($source);
|
|
$bitmap = new \Zxing\BinaryBitmap($histo);
|
|
$reader = new \Zxing\Qrcode\QRCodeReader();
|
|
|
|
$this->result = $reader->decode($bitmap);
|
|
}catch (\Zxing\NotFoundException $er){
|
|
$this->result = false;
|
|
}catch( \Zxing\FormatException $er){
|
|
$this->result = false;
|
|
}catch( \Zxing\ChecksumException $er){
|
|
$this->result = false;
|
|
}
|
|
}
|
|
|
|
public function text()
|
|
{
|
|
if(method_exists($this->result,'toString')) {
|
|
return ($this->result->toString());
|
|
}else{
|
|
return $this->result;
|
|
}
|
|
}
|
|
|
|
public function decode()
|
|
{
|
|
return $this->text();
|
|
}
|
|
}
|
|
|