import type { Emitter } from '@mantou/gem/lib/decorators';
import type { TemplateResult } from '@mantou/gem/lib/element';
import type { Data, DataItem } from '../chart-tooltip';
import { DuoyunResizeBaseElement } from './resize';
import '../empty';
import '../loading';
export interface Axi {
    formatter?: (value: number | null, index: number) => string;
}
export interface Tooltip {
    titleFormatter?: (value: number | string | null) => string;
    valueFormatter?: (value: number | null) => string;
    filter?: (data: DataItem) => boolean;
    render?: (data: Data) => TemplateResult;
}
export interface MarkLine {
    value: number;
    label?: string;
    color?: string;
}
export declare class DuoyunChartBaseElement extends DuoyunResizeBaseElement {
    #private;
    static chart: string;
    aspectRatio?: number;
    filters?: string[];
    colors: `#${string}`[];
    xAxi?: Axi | null;
    yAxi?: Axi | null;
    pAxi?: Axi | null;
    yMin?: number;
    yMax?: number;
    xStep: number;
    yStep: number;
    pStep: number;
    tooltip?: Tooltip;
    markLines?: MarkLine[];
    indexclick: Emitter<number>;
    loading: boolean;
    noData: boolean;
    _stageWidth: number;
    get _stageHeight(): number;
    _chartId: string;
    _xAxiMin: number;
    _xAxiMax: number;
    _xAxiUnit: number;
    _xAxiStepUnit: number;
    _xAxiMarks: number[];
    _xAxiLabels: string[];
    _stateXAxiMarks: number[];
    _yAxiMin: number;
    _yAxiMax: number;
    _yAxiUnit: number;
    _yAxiStepUnit: number;
    _yAxiMarks: number[];
    _yAxiLabels: string[];
    _stateYAxiMarks: number[];
    _viewBox: number[];
    _isDisabled: (value: string) => boolean;
    _initXAxi: (xMin: number, xMax: number, adjust?: boolean) => void;
    _initYAxi: (yMin: number, yMax: number) => void;
    _initViewBox: () => void;
    genGradientId: (index: number) => string;
    _getSVGPixel: (x?: number) => number;
    _getStageScale: () => number;
    _getStagePoint: ([x, y]: number[]) => number[];
    _getStagePointFromPosition: ([x, y]: number[]) => number[] | undefined;
    _renderLoading: () => TemplateResult;
    _renderNotData: () => TemplateResult;
    _renderXAxi: ({ centerLabel, grid }?: {
        centerLabel?: boolean;
        grid?: boolean;
    }) => TemplateResult | "";
    _renderYAxi: () => TemplateResult | "";
    _renderMarkLines: () => TemplateResult;
    _polarToCartesian: ([r, theta]: number[]) => number[];
    _cartesianToPolar: ([x, y]: number[]) => number[];
    _mergeNumberValues: (seqs?: (number | null)[][]) => number[] | undefined;
    _mergeValues: (seqs?: ((number | null)[] | null)[][]) => (number | null)[][] | undefined;
    _findClosestIndex: (values: number[], v: number) => number;
}
//# sourceMappingURL=chart.d.ts.map