import { Coords, EventData, HandlePosition, MeasurementMouseEvent, TPAAnnotation, TPAMeasurementState } from "../types";
declare const BaseAnnotationTool: any;
export default class TPAAnnotationTool extends BaseAnnotationTool {
    private currentState;
    private currentAnnotation;
    private isDragging;
    constructor(props?: any);
    createNewMeasurement(eventData: EventData): {
        visible: boolean;
        active: boolean;
        color: undefined;
        invalidated: boolean;
        handles: {
            ftaStart: {
                x: number;
                y: number;
                highlight: boolean;
                active: boolean;
            };
            ftaEnd: {
                x: number;
                y: number;
                highlight: boolean;
                active: boolean;
            };
            mtpStart: {
                x: number;
                y: number;
                highlight: boolean;
                active: boolean;
            };
            mtpEnd: {
                x: number;
                y: number;
                highlight: boolean;
                active: boolean;
            };
            refStart: {
                x: number;
                y: number;
                highlight: boolean;
                active: boolean;
            };
            refEnd: {
                x: number;
                y: number;
                highlight: boolean;
                active: boolean;
            };
            intersectionPoint: {
                x: number;
                y: number;
            };
            ftaTextBox: {
                active: boolean;
                hasMoved: boolean;
                movesIndependently: boolean;
                drawnIndependently: boolean;
                allowedOutsideImage: boolean;
                hasBoundingBox: boolean;
                x: number;
                y: number;
            };
            mtpTextBox: {
                active: boolean;
                hasMoved: boolean;
                movesIndependently: boolean;
                drawnIndependently: boolean;
                allowedOutsideImage: boolean;
                hasBoundingBox: boolean;
                x: number;
                y: number;
            };
            refTextBox: {
                active: boolean;
                hasMoved: boolean;
                movesIndependently: boolean;
                drawnIndependently: boolean;
                allowedOutsideImage: boolean;
                hasBoundingBox: boolean;
                x: number;
                y: number;
            };
            tpaTextBox: {
                active: boolean;
                hasMoved: boolean;
                movesIndependently: boolean;
                drawnIndependently: boolean;
                allowedOutsideImage: boolean;
                hasBoundingBox: boolean;
                x: number;
                y: number;
            };
        };
        cachedStats: {
            tpaAngle: number;
            ftaLength: number;
            mtpLength: number;
        };
        measurementState: TPAMeasurementState;
    } | null;
    addNewMeasurement(evt: MeasurementMouseEvent): TPAAnnotation | null;
    mouseMoveCallback(evt: MeasurementMouseEvent): void;
    mouseDragCallback(evt: MeasurementMouseEvent): void;
    /**
     * Extracted logic to finalize the Functional Tibial Axis (Step 1)
     */
    private _finishFTA;
    /**
     * Extracted logic to finalize the Medial Tibial Plateau (Step 2)
     */
    private _finishMTP;
    preMouseDownCallback(evt: MeasurementMouseEvent): void;
    mouseUpCallback(evt: MeasurementMouseEvent): void;
    /**
     * Computes the intersection point of the infinite MTP line with the
     * infinite FTA line using parametric line-line intersection.
     *
     */
    computeLineLineIntersection(p1: Coords, d1: Coords, // FTA: point + direction
    p2: Coords, d2: Coords): Coords | null;
    computeReferenceLineAndAngle(data: any): void;
    updateCachedStats(image: any, element: HTMLElement, data: any): any;
    renderToolData(evt: MeasurementMouseEvent): void;
    /**
     * The arc sweeps from the Reference Line direction to the MTP direction
     */
    drawAngleArc(context: CanvasRenderingContext2D, element: HTMLElement, handles: any, cachedStats: any, color: string): void;
    pointNearTool(element: HTMLElement, data: any, coords: Coords, interactionType: string): boolean;
    isPointNearHandle(element: HTMLElement, handle: HandlePosition, coords: Coords, PROXIMITY_DISTANCE: number): boolean;
    isPointNearLine(element: HTMLElement, startHandle: HandlePosition, endHandle: HandlePosition, coords: Coords, PROXIMITY_DISTANCE: number): boolean;
    PROXIMITY_DISTANCEToLineSegment(point: Coords, lineStart: Coords, lineEnd: Coords): number;
    getHandleNearImagePoint(element: HTMLElement, data: any, coords: Coords, interactionType: string): any;
}
export {};