TransformerManager::transformToView

static function transformToView(File $file)
{
	$view = $file->getView();

	if(!Loader::includeModule('transformer'))
	{
		return false;
	}

	$transformFormats = array($view->getPreviewExtension());
	$transformParams = array('id' => $file->getId(), 'fileId' => $file->getFileId(), 'queue' => BitrixMainUIViewerTransformationTransformerManager::QUEUE_NAME);
	$viewExtension = $view->getViewExtension();
	$fileExtension = mb_strtolower($file->getExtension());
	if($view::isAlwaysTransformToViewFormat())
	{
		$transformFormats[] = $viewExtension;
	}
	elseif($fileExtension != $viewExtension && !in_array($fileExtension, $view::getAlternativeExtensions()))
	{
		$transformFormats[] = $viewExtension;
	}

	$transformer = self::getTransformerByFormat($viewExtension);
	if($transformer)
	{
		$result = $transformer->transform((int)$file->getFileId(), $transformFormats, self::MODULE_ID, [self::className(), CallbackHandler::class], $transformParams);
		return($result->isSuccess());
	}

	return false;
}