mirror of
https://github.com/wallabag/wallabag.git
synced 2024-12-11 18:26:28 +00:00
40 lines
919 B
PHP
40 lines
919 B
PHP
<?php
|
|
|
|
class ImageHandler {
|
|
/**
|
|
* Download an image
|
|
* @param string $url Url to the image
|
|
* @return false|string False if failed, else the data of the image (converted to grayscale jpeg)
|
|
*/
|
|
public static function DownloadImage($url){
|
|
$data = Http::Request($url);
|
|
$imgFile = @imagecreatefromstring($data);
|
|
|
|
if($imgFile !== false){
|
|
$result = self::CreateImage($imgFile);
|
|
imagedestroy($imgFile);
|
|
return $result;
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* Create an image
|
|
* @param resource $img Create an image created with createimagetruecolor
|
|
* @return false|string False if failed, else the data of the image (converted to grayscale jpeg)
|
|
*/
|
|
public static function CreateImage($img){
|
|
try{
|
|
imagefilter($img, IMG_FILTER_GRAYSCALE);
|
|
|
|
ob_start();
|
|
imagejpeg($img);
|
|
$image = ob_get_contents();
|
|
ob_end_clean();
|
|
|
|
return $image;
|
|
}catch(Exception $e){
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
?>
|