Файл: spuff.ru/avatars/resize.php
Строк: 98
<?php
require_once '../includes/sys.php';
$config['previewsize'] = '128';
$dir = isset($_GET['dir']) ? check($_GET['dir']) : '';
$name = isset($_GET['name']) ? check($_GET['name']) : '';
if (preg_match('|^[a-z0-9_-/]+$|i', $dir) && preg_match('|^[a-z0-9_.-]+$|i', $name)) {
if (file_exists('../'.$dir . '/' . $name)) {
$getim = getimagesize('../'.$dir . '/' . $name);
if ($getim[2] == 1 || $getim[2] == 2 || $getim[2] == 3) {
$width = $getim[0];
$height = $getim[1];
if ($width > $config['previewsize'] || $height > $config['previewsize']) {
$x_ratio = $config['previewsize'] / $width;
$y_ratio = $config['previewsize'] / $height;
if (($x_ratio * $height) < $config['previewsize']) {
$tn_height = ceil($x_ratio * $height);
$tn_width = $config['previewsize'];
} else {
$tn_width = ceil($y_ratio * $width);
$tn_height = $config['previewsize'];
}
// -------------------------------//
if ($getim[2] == 2) {
$img = imagecreatefromjpeg('../'.$dir . '/' . $name);
$dst = imagecreatetruecolor($tn_width, $tn_height);
imagecopyresampled($dst, $img, 0, 0, 0, 0, $tn_width, $tn_height, $width, $height);
header('content-type: image/jpeg');
header('Content-Disposition: filename="' . $name . '"');
imagejpeg ($dst, null, 75);
imagedestroy($img);
imagedestroy($dst);
}
// -------------------------------//
if ($getim[2] == 1) {
$img = imagecreatefromgif('../'.$dir . '/' . $name);
$dst = imagecreatetruecolor($tn_width, $tn_height);
$colorTransparent = imagecolortransparent($img);
imagepalettecopy($img, $dst);
imagefill($dst, 0, 0, $colorTransparent);
imagecolortransparent($dst, $colorTransparent);
imagetruecolortopalette($dst, true, 256);
imagecopyresampled($dst, $img, 0, 0, 0, 0, $tn_width, $tn_height, $width, $height);
header('content-type: image/gif');
header('Content-Disposition: filename="' . $name . '"');
imagegif ($dst);
imagedestroy($img);
imagedestroy($dst);
}
// -------------------------------//
if ($getim[2] == 3) {
$img = imagecreatefrompng('../'.$dir . '/' . $name);
$dst = imagecreatetruecolor($tn_width, $tn_height);
$colorTransparent = imagecolortransparent($img);
imagepalettecopy($img, $dst);
imagefill($dst, 0, 0, $colorTransparent);
imagecolortransparent($dst, $colorTransparent);
imagetruecolortopalette($dst, true, 256);
imagecopyresampled($dst, $img, 0, 0, 0, 0, $tn_width, $tn_height, $width, $height);
header('content-type: image/png');
header('Content-Disposition: filename="' . $name . '"');
imagepng ($dst);
imagedestroy($img);
imagedestroy($dst);
}
} else {
$filename = file_get_contents('../'.$dir . '/' . $name);
header('Content-type: ' . $getim['mime']);
header('Content-Disposition: filename="' . $name . '"');
header('Content-Length: ' . strlen($filename));
echo $filename;
}
}
}
}
exit;
?>