openstackweb/openstack/code/BetterImage.php
2014-10-31 16:59:18 -03:00

69 lines
2.2 KiB
PHP

<?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.
**/
/**
* Prevents creation of resized images if the uploaded file already
* fits the requested dimensions
*/
class BetterImage extends Image
{
public function SetWidth($width) {
if($width == $this->getWidth()){
return $this;
}
return parent::SetWidth($width);
}
public function SetHeight($height) {
if($height == $this->getHeight()){
return $this;
}
return parent::SetHeight($height);
}
public function SetSize($width, $height) {
if($width == $this->getWidth() && $height == $this->getHeight()){
return $this;
}
return parent::SetSize($width, $height);
}
public function SetRatioSize($width, $height) {
if($width == $this->getWidth() && $height == $this->getHeight()){
return $this;
}
return parent::SetRatioSize($width, $height);
}
public function getFormattedImage($format, $arg1 = null, $arg2 = null) {
if($this->ID && $this->Filename && Director::fileExists($this->Filename)) {
$size = getimagesize(Director::baseFolder() . '/' . $this->getField('Filename'));
$preserveOriginal = false;
switch(strtolower($format)){
case 'croppedimage':
$preserveOriginal = ($arg1 == $size[0] && $arg2 == $size[1]);
break;
}
if($preserveOriginal){
return $this;
} else {
return parent::getFormattedImage($format, $arg1, $arg2);
}
}
}
}