import { FontOptions, Graph, GraphOptions, IPoint, Point } from "./core";
export interface PieRatio {
    /**
     * 占比
     */
    value: number;
    /**
     * 填充色
     */
    color?: string;
    /**
     * 名字
     */
    name?: string;
}
export interface PieOptional {
    readonly width?: number;
    readonly attrs?: {};
    readonly font?: FontOptions;
    readonly anchor?: 'start' | 'middle' | 'end';
}
export declare class PieOptions extends GraphOptions {
    /**
     * 饼图的圆心
     */
    readonly o: Point;
    /**
     * 饼图的半径
     */
    readonly r: number;
    /**
     * 每部分占比
     */
    readonly ratios: Array<PieRatio>;
    readonly optional?: PieOptional;
    constructor(o: IPoint, r: number, ratios: Array<PieRatio>, optional?: PieOptional);
    static build(o: IPoint, r: number, ratios: Array<number | PieRatio>, optional?: PieOptional): PieOptions;
}
export default class Pie extends Graph {
    readonly options: PieOptions;
    constructor(options: PieOptions);
    static build(o: IPoint, r: number, ratios: Array<number | PieRatio>): Pie;
}