import * as DG from 'datagrok-api/dg';
import { Subject } from 'rxjs';
import BitArray from './bit-array';
export declare enum ScatterPlotCurrentLineStyle {
    none = "none",
    bold = "bold",
    dashed = "dashed"
}
export type MouseOverLineEvent = {
    x: number;
    y: number;
    id: number;
    event: MouseEvent;
};
export type ILineSeries = {
    from: Uint32Array;
    to: Uint32Array;
    color?: string;
    colors?: string[];
    width?: number;
    widths?: Float32Array;
    opacity?: number;
    opacities?: Float32Array;
    drawArrows?: boolean;
    drawArrowsArr?: BitArray;
    visibility?: BitArray;
    arrowSize?: number;
    skipMultiLineCalculation?: boolean;
    skipShortLines?: boolean;
    shortLineThreshold?: number;
    skipMouseOverDetection?: boolean;
};
export declare class ScatterPlotLinesRenderer {
    sp: DG.ScatterPlotViewer;
    xAxisCol: DG.Column;
    yAxisCol: DG.Column;
    _currentLineIdx: number;
    lines: ILineSeries;
    lineClicked: Subject<MouseOverLineEvent>;
    lineHover: Subject<MouseOverLineEvent>;
    canvas: HTMLCanvasElement;
    ctx: CanvasRenderingContext2D;
    mouseOverLineId: number;
    multipleLinesCounts: Uint8Array;
    visibility: BitArray;
    currentLineStyle: ScatterPlotCurrentLineStyle;
    arrowWidth: number;
    get currentLineId(): number;
    set currentLineId(id: number);
    set linesToRender(lines: ILineSeries);
    set linesVisibility(visibility: BitArray);
    constructor(sp: DG.ScatterPlotViewer, xAxis: string, yAxis: string, lines: ILineSeries, currentLineStyle?: ScatterPlotCurrentLineStyle);
    updateLines(lines: ILineSeries): void;
    renderLines(): void;
    toggleCurrentLineStyle(flag: boolean): void;
    fillLeftBottomRect(): void;
    createMultiLinesIndices(): void;
    checkCoordsOnLine(x: number, y: number): number;
    calculateDistToStraightLine(x: number, y: number, p1: DG.Point, p2: DG.Point): number | null;
    distToStraightLineSegment(x: number, y: number, p1: DG.Point, p2: DG.Point): number;
    calculateDistToCurveLine(i: number, x: number, y: number, p1: DG.Point, p2: DG.Point, pc: DG.Point): number | null;
    calculateDistToCurveInRect(x: number, y: number, p0: DG.Point, p1: DG.Point, p2: DG.Point, w: number, h: number): number;
    getLineLength(p1x: number, p1y: number, p2x: number, p2y: number): number;
    getPointOnDistance(p1x: number, p1y: number, p2x: number, p2y: number, distance: number, length: number): DG.Point;
    findControlPoint(idx: number, x1: number, y1: number, x2: number, y2: number, i?: number): DG.Point;
    canvasArrow(path: CanvasRenderingContext2D, arrowEndX: number, arrowEndY: number, quadX: number, quadY: number): void;
}
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