59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
import { Coordinate, IShape } from '../dependents';
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import { ShapeInfo } from '../interface';
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/**
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* @ignore
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* 根据弧度计算极坐标系下的坐标点
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* @param centerX
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* @param centerY
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* @param radius
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* @param angleInRadian
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* @returns
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*/
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export declare function polarToCartesian(centerX: number, centerY: number, radius: number, angleInRadian: number): {
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x: number;
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y: number;
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};
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/**
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* @ignore
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* 根据起始角度计算绘制扇形的 path
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* @param centerX
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* @param centerY
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* @param radius
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* @param startAngleInRadian
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* @param endAngleInRadian
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* @returns
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*/
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export declare function getSectorPath(centerX: number, centerY: number, radius: number, startAngleInRadian: number, endAngleInRadian: number, innerRadius?: number): (string | number)[][];
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/**
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* @ignore
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* Gets arc path
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* @param centerX
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* @param centerY
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* @param radius
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* @param startAngleInRadian
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* @param endAngleInRadian
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* @returns
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*/
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export declare function getArcPath(centerX: number, centerY: number, radius: number, startAngleInRadian: number, endAngleInRadian: number): (string | number)[][];
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/**
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* @ignore
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* 从数据模型中的 points 换算角度
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* @param shapeModel
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* @param coordinate
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* @returns
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*/
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export declare function getAngle(shapeModel: ShapeInfo, coordinate: Coordinate): {
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startAngle: any;
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endAngle: any;
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};
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/**
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* @ignore
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* 计算多边形重心: https://en.wikipedia.org/wiki/Centroid#Of_a_polygon
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*/
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export declare function getPolygonCentroid(xs: number | number[], ys: number | number[]): number[];
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/**
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* @ignore
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* 获取需要替换的属性，如果原先图形元素存在，而新图形不存在，则设置 undefined
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*/
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export declare function getReplaceAttrs(sourceShape: IShape, targetShape: IShape): any;
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