/
Image.php
91 lines (78 loc) · 2.56 KB
/
Image.php
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<?php
/**
* @package Prism
* @subpackage Files
* @author Todor Iliev
* @copyright Copyright (C) 2015 Todor Iliev <todor@itprism.com>. All rights reserved.
* @license GNU General Public License version 3 or later; see LICENSE.txt
*/
namespace Prism\File;
use Joomla\Utilities\ArrayHelper;
defined('JPATH_PLATFORM') or die;
/**
* This class contains methods that are used for managing currency.
*
* @package Prism
* @subpackage Files
*/
class Image extends File
{
/**
* Create a thumbnail from an image file.
*
* <code>
* $myFile = "/tmp/myfile.jpg";
*
* $options = array(
* "destination" => "image/mypic.jpg",
* "width" => 200,
* "height" => 200,
* "scale" => JImage::SCALE_INSIDE
* );
*
* $file = new PrismFileImage($myFile);
* $file->createThumbnail($options);
*
* </code>
*
* @param array $options Some options used in the process of generating thumbnail.
*
* @throws \InvalidArgumentException
* @throws \RuntimeException
*
* @return string A location to the new file.
*/
public function createThumbnail($options)
{
$width = ArrayHelper::getValue($options, "width", 100);
$height = ArrayHelper::getValue($options, "height", 100);
$scale = ArrayHelper::getValue($options, "scale", \JImage::SCALE_INSIDE);
$destination = ArrayHelper::getValue($options, "destination");
if (!$destination) {
throw new \InvalidArgumentException(\JText::_("LIB_PRISM_ERROR_INVALID_FILE_DESTINATION"));
}
// Generate thumbnail.
$image = new \JImage();
$image->loadFile($this->file);
if (!$image->isLoaded()) {
throw new \RuntimeException(\JText::sprintf('LIB_PRISM_ERROR_FILE_NOT_FOUND', $this->file));
}
// Resize the file as a new object
$thumb = $image->resize($width, $height, true, $scale);
$fileName = basename($this->file);
$ext = \JString::strtolower(\JFile::getExt(\JFile::makeSafe($fileName)));
switch ($ext) {
case "gif":
$type = IMAGETYPE_GIF;
break;
case "png":
$type = IMAGETYPE_PNG;
break;
case IMAGETYPE_JPEG:
default:
$type = IMAGETYPE_JPEG;
}
$thumb->toFile($destination, $type);
return $destination;
}
}