nextcloud / server

		$askedWidth = min($askedWidth, $originalWidth * $scaleFactor);

		$askedHeight = min($askedHeight, $originalHeight * $scaleFactor);

		if ($askedWidth / $originalRatio < $askedHeight) {

			// width restricted

			$askedHeight = round($askedWidth / $originalRatio);

		} else {

			$askedWidth = round($askedHeight * $originalRatio);

		}

		return [(int)$askedWidth, (int)$askedHeight];

	}

		$askedWidth = min($askedWidth, $previewWidth * $scaleFactor);

		$askedHeight = min($askedHeight, $previewHeight * $scaleFactor);

		if ($askedWidth / $originalRatio > $askedHeight) {

			// height restricted

			$askedHeight = round($askedWidth / $originalRatio);

		} else {

			$askedWidth = round($askedHeight * $originalRatio);

		}

		return [(int)$askedWidth, (int)$askedHeight];

	}