/**
* Constructor.
*
* @param resource $image GD image resource
*/
protected function __construct($image)
{
$this->_setImage($image);
// make sure we have enough memory for a temporary copy of this image
$memoryBuffer = $this->_width * $this->_height * 5 * 1.25;
$availableMemory = XenForo_Application::getAvailableMemory();
if ($availableMemory && $availableMemory < $memoryBuffer) {
XenForo_Application::increaseMemoryLimit($memoryBuffer - $availableMemory);
}
}