d-border-mask.ts

/*
 * Copyright (C) 2019 Toshiba Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

const TOP = 1;
const RIGHT = 2;
const BOTTOM = 4;
const LEFT = 8;

/**
 * A border mask.
 * Borders on masked parts are not rendered.
 */
export const DBorderMask = {
	NONE: 0,

	TOP,
	RIGHT,
	BOTTOM,
	LEFT,

	TOP_RIGHT: TOP | RIGHT,
	TOP_BOTTOM: TOP | BOTTOM,
	TOP_LEFT: TOP | LEFT,

	RIGHT_BOTTOM: RIGHT | BOTTOM,
	RIGHT_LEFT: RIGHT | LEFT,

	BOTTOM_LEFT: BOTTOM | LEFT,

	NOT_TOP: RIGHT | BOTTOM | LEFT,
	NOT_RIGHT: TOP | BOTTOM | LEFT,
	NOT_BOTTOM: TOP | RIGHT | LEFT,
	NOT_LEFT: TOP | RIGHT | BOTTOM,

	ALL: TOP | RIGHT | BOTTOM | LEFT
} as const;

export type DBorderMask = number;