export interface IXy {
    x: number;
    y: number;
}
export interface IRltb {
    right: number;
    left: number;
    top: number;
    bottom: number;
}
export interface IXywh {
    x: number;
    y: number;
    w: number;
    h: number;
}
export interface IBox {
    x: number;
    y: number;
    width: number;
    height: number;
}
export type IRect = IRltb | IXywh | IBox;
/**
 * 矩形描述转换
 * 把 {right, left, top, bottom} 转化为 {x, y , w, h}
 * @param rltb
 * @return {IXywh}
 */
export declare function rltb2xywh(rltb: IRltb): IXywh;
/**
 * 矩形描述转换
 * 把 {x, y , w, h} 转化为 {right, left, top, bottom}
 * @param xywh
 * @return {IRltb}
 */
export declare function xywh2rltb(xywh: IXywh): IRltb;
/**
 * 给 Rltb 添加内边距
 * @param rltb
 * @param padding 内边距，支持类似 CSS 的数组形式
 *
 * @example
 * paddingRltb(xywh, 5)
 * paddingRltb(xywh, [3,4,5,10])
 *
 * @return {IRltb}
 */
export declare function paddingRltb(rltb: IRltb, padding: number | number[]): IRltb;
/**
 * 给 Xywh 添加内边距
 * @param xywh
 * @param padding 内边距，支持类似 CSS 的数组形式
 *
 * @example
 * paddingXywh(xywh, 5)
 * paddingXywh(xywh, [3,4,5,10])
 */
export declare function paddingXywh(xywh: IXywh, padding: number | number[]): IXywh;
/**
 * 给 Rect 添加内边距
 * @param rect
 * @param padding 内边距，支持类似 CSS 的数组形式
 *
 * @example
 * paddingRect(xywh, 5)
 * paddingRect(rltb, [3,4,5,10])
 */
export declare function paddingRect(rect: IRect, padding: number | number[]): IRltb | IXywh;
/**
 * 矩形对象是否是 IXywh 的描述形式
 * @param rect
 */
export declare function rectIsXywh(rect: IRect): boolean;
/**
 * 矩形对象是否是 IRltb 的描述形式
 * @param rect
 */
export declare function rectIsRltb(rect: IRect): boolean;
/**
 * 计算多个 rltb 矩形的边界
 *
 * getRltbsRange([xywh])
 * @returns {IRltb}
 * @param rltbs
 */
export declare function getRltbsRange(rltbs: IRltb[]): IRltb;
/**
 * 计算多个 xywh 矩形的边界
 *
 * getXywhsRange([xywh])
 * @param xywhs
 * @returns {IRltb}
 */
export declare function getXywhsRange(xywhs: IXywh[]): IRltb;
/**
 * 整体移动多个 xywh 到某点，保留原 xywhs 相对位置。
 * 会改变 xywhs 里每个 xywh 对象的 x，y 值。
 * @param xywhs
 * @param xy
 * @return {IXywh[]}
 */
export declare function moveXywhs(xywhs: IXywh[], xy: IXy): IXywh[];
/**
 * 判断 2 个 rltb 是否有重叠
 * @param rltbA
 * @param rltbB
 * @returns {boolean}
 */
export declare function rltbHasOverlap(rltbA: IRltb, rltbB: IRltb): boolean;
/**
 * 判断 2 个 xywh 是否有重叠
 * @param xywhA
 * @param xywhB
 * @return {boolean}
 */
export declare function xywhHasOverlap(xywhA: IXywh, xywhB: IXywh): boolean;
/** 找出目标区域与多个区域中重叠的区域 */
export declare function xywhOverlapXywhs(xywhSrc: IXywh, xywhs: IXywh[]): IXywh[];
/**
 * 判断点是否在区域内
 * @param point
 * @param rltb
 */
export declare function rltbHasPoint(point: IXy, rltb: IRltb): boolean;
/**
 * 判断点是否在区域内
 * @param point
 * @param rltb
 */
export declare function xywhHasPoint(point: IXy, xywh: IXywh): boolean;
/**
 * 判断区域B是否在区域A内
 */
export declare function xywhHasXywh(xywhA: IXywh, xywhB: IXywh): boolean;
/**
 *  rect 转换到 box
 * @param rect
 */
export declare function rect2Box(rect: IRect): IBox;
export declare function box2xywh(box: IBox): {
    x: number;
    y: number;
    w: number;
    h: number;
};
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