<?php

/**

* Copyright 2014 Openstack Foundation

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

**/

class Upload_Image_Validator extends Upload_Validator {

private $allowedMaxImageWidth = null;

/**

* Sets Maximum allowed Width for image

*

* @param int $width

*/

public function setAllowedMaxImageWidth($width){

$this->allowedMaxImageWidth = $width;

}

/**

* Determines if the pixels of an image uploaded

* file is valid - can be defined on an

* extension-by-extension basis in {@link $allowedMaxFileSize}

*

* @return boolean

*/

public function isValidWidth() {

if(isset($this->tmpFile['tmp_name'])){

list($width, $height) = getimagesize($this->tmpFile['tmp_name']);

if(isset($this->allowedMaxImageWidth)){

return ((int) $width <= $this->allowedMaxImageWidth);

}

}

return true;

}

public function validate() {

$res = parent::validate();

// width validation

if(!$this->isValidWidth()) {

$this->errors[] = sprintf("Max. Allowed Image Width is %d px",$this->allowedMaxImageWidth);

$res = false;

}

return $res;

}

}