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<?php
$filename = '../'.$_REQUEST['f'];
if(!file_exists($filename)) die('Error: File does not exist');
if(!function_exists('imagecreatetruecolor')) die('Error: GD2 not installed / configured');
$fn_array = explode('.', $filename);
$type = strtolower(end($fn_array));
if ($type == 'jpg' || $type == 'jpeg') $img = @imagecreatefromjpeg($filename);
elseif ($type == 'png') $img = @imagecreatefrompng($filename);
elseif ($type == 'gif') {
if(!function_exists('imagecreatefromgif')) die('Error: Your version of GD does not support GIFs');
$img = @imagecreatefromgif($filename);
}
else die("Error: Image type not supported");
$x = imagesx($img);
$y = imagesy($img);
$width = 150;
$height = round(($y/$x) * $width);
$tmpimage = imagecreatetruecolor($width, $height);
imagecopyresampled($tmpimage, $img, 0, 0, 0, 0, $width, $height, $x, $y);
imagedestroy($img);
$img = $tmpimage;
if ($type == 'jpg' || $type == 'jpeg') {
header("Content-type: image/jpeg");
imagejpeg($img, '', 65);
}
elseif ($type == 'png') {
header("Content-type: image/png");
imagetruecolortopalette($img, false, 128);
imagepng($img);
}
elseif ($type == 'gif') {
header("Content-type: image/png");
imagetruecolortopalette($img, false, 128);
imagepng($img);
}
?>
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