This is the usual singleton function that returns / instantiates the object
| public static getInstance ( ) : PhpThumb | ||
| Результат | PhpThumb | |
*
* @author Ian Selby <*****@*****.**>
* @copyright Copyright (c) 2009 Gen X Design
* @link http://phpthumb.gxdlabs.com
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
* @version 3.0
* @package PhpThumb
* @filesource
*/
// define some useful constants
define('THUMBLIB_BASE_PATH', dirname(__FILE__));
define('THUMBLIB_PLUGIN_PATH', THUMBLIB_BASE_PATH . '/thumb_plugins/');
define('DEFAULT_THUMBLIB_IMPLEMENTATION', 'gd');
/**
* Include the PhpThumb Class
*/
require_once THUMBLIB_BASE_PATH . '/PhpThumb.inc.php';
/**
* Include the ThumbBase Class
*/
require_once THUMBLIB_BASE_PATH . '/ThumbBase.inc.php';
/**
* Include the GdThumb Class
*/
require_once THUMBLIB_BASE_PATH . '/GdThumb.inc.php';
/**
* PhpThumbFactory Object
*
imagecopy($this->workingImage, $this->workingImage, $x, $y_i - $y - 1, $x, $y, 1, 1);
}
}
}
/**
* Converts a hex color to rgb tuples
*
* @return mixed
* @param string $hex
* @param bool $asString
*/
protected function hex2rgb($hex, $asString = false)
{
// strip off any leading #
if (0 === strpos($hex, '#')) {
$hex = substr($hex, 1);
} elseif (0 === strpos($hex, '&H')) {
$hex = substr($hex, 2);
}
// break into hex 3-tuple
$cutpoint = ceil(strlen($hex) / 2) - 1;
$rgb = explode(':', wordwrap($hex, $cutpoint, ':', $cutpoint), 3);
// convert each tuple to decimal
$rgb[0] = isset($rgb[0]) ? hexdec($rgb[0]) : 0;
$rgb[1] = isset($rgb[1]) ? hexdec($rgb[1]) : 0;
$rgb[2] = isset($rgb[2]) ? hexdec($rgb[2]) : 0;
return $asString ? "{$rgb[0]} {$rgb[1]} {$rgb[2]}" : $rgb;
}
}
$pt = PhpThumb::getInstance();
$pt->registerPlugin('GdReflectionLib', 'gd');
/**
* Utility function for checking if the server can generate thumbnails.
*
* @return bool True if it can, false otherwise.
*/
public function thumbnailsAvailable()
{
if (!self::$_thumbnails) {
require_once JPATH_LIBRARIES.'/koowa/components/com_files/helper/phpthumb/phpthumb.php';
$pt = PhpThumb::getInstance();
self::$_thumbnails = $pt->isValidImplementation(PhpThumbFactory::$defaultImplemenation) || $pt->isValidImplementation('gd');
}
return self::$_thumbnails;
}
