<?php
/**
* reset the image
* @author Logan Cai (cailongqun [at] yahoo [dot] com [dot] cn)
* @link www.phpletter.com
* @since 22/May/2007
*
*/
require_once(dirname(__FILE__) . DIRECTORY_SEPARATOR . "inc" . DIRECTORY_SEPARATOR . "config.php");
if(!isset($_POST['path']))
{
$_POST['path'] = "uploaded/Winter.jpg" . "?" . makeQueryString(array('path'));
//for crop
$_POST['mode'] = "crop";
$_POST['x'] = 100;
$_POST['y'] = 100;
$imageInfo = @GetImageSize($_POST['path']);
$_POST['width'] = $imageInfo[0];
$_POST['height'] = $imageInfo[1];

}
initSessionHistory($_POST['path']);

echo "{";
$error = "";
$info = "";

if(empty($_POST['path']))
{
$error = IMG_SAVE_EMPTY_PATH;
}elseif(!file_exists($_POST['path']))
{
$error = IMG_SAVE_NOT_EXISTS;
}else if(!isUnderRoot($_POST['path']))
{
$error = IMG_SAVE_PATH_DISALLOWED;
}
else
{
if(!empty($_POST['mode']))
{

include_once(CLASS_IMAGE);
$image = new Image();
$image->loadImage($_POST['path']);

switch($_POST['mode'])
{
case "resize":
if(!$image->resize($_POST['width'], $_POST['height'], (!empty($_POST['constraint'])?true:false)))
{
$error = IMG_SAVE_RESIZE_FAILED;
}
break;
case "crop":
if(!$image->cropToDimensions($_POST['x'], $_POST['y'], intval($_POST['x']) + intval($_POST['width']), intval($_POST['y']) + intval($_POST['height'])))
{
$error = IMG_SAVE_CROP_FAILED;
}

break;
case "flip":
if(!$image->flip($_POST['flip_angle']))
{
$error = IMG_SAVE_FLIP_FAILED;
}
break;
case "rotate":
if(!$image->rotate(intval($_POST['angle'])))
{
$error = IMG_SAVE_ROTATE_FAILED;
}
break;
default:
$error = IMG_SAVE_UNKNOWN_MODE;
}
if(empty($error))
{

$sessionNewPath = $session->getSessionDir() . uniqid(md5(time())) . "." . getFileExt($_POST['path']);
if(!@copy($_POST['path'], $sessionNewPath))
{
$error = IMG_SAVE_BACKUP_FAILED;
}else
{
addSessionHistory($_POST['path'], $sessionNewPath);
if($image->saveImage($_POST['path']))
{
$imageInfo = $image->getFinalImageInfo();
$info .= ",width:" . $imageInfo['width'] . "\n";
$info .= ",height:" . $imageInfo['height'] . "\n";
$info .= ",size:'" . transformFileSize($imageInfo['size']) . "'\n";
}else
{
$error = IMG_SAVE_FAILED;
}
}
}else
{
//$image->DestroyImages();
}
}else
{
$error = IMG_SAVE_UNKNOWN_MODE;
}
}

echo "error:'" . $error . "'\n";
if(isset($image) && is_object($image))
{
$image->DestroyImages();
}
echo $info;
echo ",history:" . sizeof($_SESSION[$_POST['path']]) . "\n";
echo "}";
?>