84 lines
1.9 KiB
TypeScript
84 lines
1.9 KiB
TypeScript
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import { DIRECTION } from '../constant';
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import { Padding, Point, Region } from '../interface';
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/**
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* 用于包围盒计算。
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*/
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export declare class BBox {
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/** x 轴坐标系 */
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x: number;
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/** y 轴坐标系 */
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y: number;
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/** 包围盒高度 */
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height: number;
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/** 包围盒宽度 */
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width: number;
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static fromRange(minX: number, minY: number, maxX: number, maxY: number): BBox;
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constructor(x?: number, y?: number, width?: number, height?: number);
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get minX(): number;
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get maxX(): number;
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get minY(): number;
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get maxY(): number;
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get tl(): Point;
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get tr(): Point;
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get bl(): Point;
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get br(): Point;
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get top(): Point;
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get right(): Point;
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get bottom(): Point;
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get left(): Point;
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/**
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* 包围盒是否相等
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* @param {BBox} bbox 包围盒
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* @returns 包围盒是否相等
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*/
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isEqual(bbox: BBox): boolean;
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/**
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* 克隆包围盒
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* @returns 包围盒
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*/
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clone(): BBox;
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/**
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* 取并集
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* @param subBBox
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*/
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add(...subBBox: BBox[]): BBox;
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/**
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* 取交集
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* @param subBBox
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*/
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merge(...subBBox: BBox[]): BBox;
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/**
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* bbox 剪裁
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* @param subBBox
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* @param direction
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*/
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cut(subBBox: BBox, direction: DIRECTION): BBox;
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/**
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* 收缩形成新的
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* @param gap
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*/
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shrink(gap: Padding): BBox;
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/**
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* get the gap of two bbox, if not exceed, then 0
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* @param bbox
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* @returns [top, right, bottom, left]
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*/
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exceed(bbox: BBox): number[];
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/**
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* 获取包围盒大小
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* @returns 包围盒大小
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*/
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size(): number;
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}
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/**
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* 从一个 bbox 的 region 获取 bbox
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* @param bbox
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* @param region
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*/
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export declare const getRegionBBox: (bbox: BBox, region: Region) => BBox;
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/**
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* 将 bbox 转换成 points
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* @param bbox
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*/
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export declare function toPoints(bbox: Partial<BBox>): any[];
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