import { TgdContext } from "@tolokoban/tgd";
import type { MorphoViewerSmallCircuitCell, MorphoViewerSmallCircuitCellData } from "../../types";
import type { CellSectionIndex, CellSegment } from "../painter-cell/factory/section-index";
export interface SegmentOffscreenPainterOptions {
    circuit: MorphoViewerSmallCircuitCell[];
    loadCell: (id: string) => Promise<MorphoViewerSmallCircuitCellData | null>;
    onCellLoaded?: () => void;
    dendrogramMix?: number;
}
export declare class SegmentOffscreenPainter {
    private readonly onscreenContext;
    readonly context: TgdContext;
    private readonly offscreenCanvas;
    private readonly offscreenContext;
    private readonly group;
    private readonly cellPainters;
    private readonly onCellLoaded?;
    private mix;
    private isDeleted;
    constructor(onscreenContext: TgdContext, options: SegmentOffscreenPainterOptions);
    setCircuit(circuit: MorphoViewerSmallCircuitCell[], loadCell: (id: string) => Promise<MorphoViewerSmallCircuitCellData | null>): void;
    set dendrogramMix(mix: number);
    getSections(cell: MorphoViewerSmallCircuitCell): CellSectionIndex | null;
    getSegmentNear(cell: MorphoViewerSmallCircuitCell, xScreen: number, yScreen: number, radiusInPixels: number): CellSegment | undefined;
    private getSegmentAt;
    private readonly paint;
    delete(): void;
}
//# sourceMappingURL=segment-offscreen-painter.d.ts.map