import { Text, Rect, Circle, Diamond } from "./node/index";
import Stage from "./stage";
declare type Node = Rect | Circle | Diamond | Text;
export declare type Position = 'top' | 'right' | 'bottom' | 'left';
interface Point {
    x: number;
    y: number;
}
declare class Line {
    node: Node;
    toNode: Node;
    p1: Point;
    p2: Point;
    type: string;
    arrow: boolean;
    constructor(node: Node, startPosition: Position, toNode: Node, endPosition: Position, space: number);
    getPointOffset(orient: string, node: Node, space: number): Point;
}
export default class Liner {
    stage2d: Stage;
    list: Array<Line>;
    cached: boolean;
    space: number;
    headlen: number;
    theta: number;
    context: CanvasRenderingContext2D;
    canvas: HTMLCanvasElement;
    constructor(stage2d: Stage);
    addLine(node: Node, startPosition: Position, toNode: Node, endPosition: Position): Line;
    paint(context: CanvasRenderingContext2D): void;
    paintLine(context: CanvasRenderingContext2D, line: Line): void;
    paintBezierLine(context: CanvasRenderingContext2D, orient: string, node: Node, toNode: Node): void;
    paintBrokenLine(context: CanvasRenderingContext2D, line: Line): void;
    paintLineArrow(context: CanvasRenderingContext2D, fromX: number, fromY: number, toX: number, toY: number): void;
    clearLine(): void;
    clearCache(): void;
}
export {};