import { OnInit, AfterViewInit, OnDestroy, NgZone } from '@angular/core';
import { Rect, Point, PanZoomModel, PanZoomConfigSignalOptions, ZoomType } from './types';
import * as i0 from "@angular/core";
export declare class PanZoomComponent implements OnInit, AfterViewInit, OnDestroy, PanZoomConfigSignalOptions {
    private zone;
    constructor(zone: NgZone);
    private readonly frameElementRef;
    private readonly panElementRef;
    private readonly zoomElementRef;
    private readonly panzoomOverlayRef;
    readonly zoomLevels: import("@angular/core").InputSignal<number>;
    readonly neutralZoomLevel: import("@angular/core").InputSignal<number>;
    readonly scalePerZoomLevel: import("@angular/core").InputSignal<number>;
    readonly initialZoomLevel: import("@angular/core").InputSignal<number>;
    readonly friction: import("@angular/core").InputSignal<number>;
    readonly haltSpeed: import("@angular/core").InputSignal<number>;
    readonly initialPanX: import("@angular/core").InputSignal<number>;
    readonly initialPanY: import("@angular/core").InputSignal<number>;
    readonly initialZoomToFit: import("@angular/core").InputSignal<Rect | undefined>;
    readonly keepInBounds: import("@angular/core").InputSignal<boolean>;
    readonly keepInBoundsDragPullback: import("@angular/core").InputSignal<number>;
    readonly keepInBoundsRestoreForce: import("@angular/core").InputSignal<number>;
    readonly panOnClickDrag: import("@angular/core").InputSignal<boolean>;
    readonly dragMouseButton: import("@angular/core").InputSignal<"left" | "middle" | "right">;
    readonly zoomButtonIncrement: import("@angular/core").InputSignal<number>;
    readonly zoomOnDoubleClick: import("@angular/core").InputSignal<boolean>;
    readonly zoomOnMouseWheel: import("@angular/core").InputSignal<boolean>;
    readonly invertMouseWheel: import("@angular/core").InputSignal<boolean>;
    readonly zoomStepDuration: import("@angular/core").InputSignal<number>;
    readonly zoomToFitZoomLevelFactor: import("@angular/core").InputSignal<number>;
    readonly freeMouseWheel: import("@angular/core").InputSignal<boolean>;
    readonly freeMouseWheelFactor: import("@angular/core").InputSignal<number>;
    readonly noDragFromElementClass: import("@angular/core").InputSignal<string | undefined>;
    readonly acceleratePan: import("@angular/core").InputSignal<boolean>;
    readonly dynamicContentDimensions: import("@angular/core").InputSignal<boolean>;
    readonly model: import("@angular/core").ModelSignal<PanZoomModel>;
    private base;
    private contentHeight;
    private contentWidth;
    private frameHeight;
    private frameWidth;
    private lastMouseEventTime;
    private previousPosition;
    private isDragging;
    private panVelocity?;
    private animationParams?;
    private animationFrameFunc;
    private lastTick;
    private isChrome;
    private willChangeNextFrame;
    private animationId;
    private isMobile;
    private scale;
    private isFirstSync;
    private lastClickPoint;
    private zoomLevelIsChanging;
    private dragFinishing;
    private dragMouseButtonNum;
    private maxScale;
    private minScale;
    private minimumAllowedZoomLevel;
    private resizeObserver;
    keepInBoundsWarningDestroy: import("@angular/core").EffectRef;
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    private onMouseWheel;
    private onMouseDown;
    private onTouchStart;
    private onMouseMove;
    private onTouchMove;
    private onMouseUp;
    private onTouchEnd;
    private onDblClick;
    private animationTick;
    private updateDOM;
    private freeZoom;
    private updateModel;
    private updateModelProp;
    private updateModelPan;
    private syncBaseFromModel;
    private getCentrePoint;
    private getCssScale;
    private getZoomLevel;
    private calcZoomToFit;
    private zoomToFitModel;
    zoomIn(zoomType?: ZoomType): void;
    zoomOut(zoomType?: ZoomType): void;
    private startAnimation;
    private getFrameElementOffset;
    private onContentDimensionsChangeDetected;
    changeZoomLevel(level: number, clickPoint: Point): void;
    getViewPosition(modelPosition: Point): Point;
    getModelPosition(viewPosition: Point): Point;
    resetView(): void;
    zoomToFit(rectangle: Rect, duration?: number): void;
    private zoomInToPoint;
    private zoomOutFromPoint;
    panToPoint(point: Point, duration?: number): void;
    panToPointCurrentScale(point: Point, duration?: number): void;
    panDelta(delta: Point, duration?: number): void;
    panDeltaAbsolute(delta: Point, duration?: number): void;
    panDeltaPercent(deltaPercent: Point, duration?: number): void;
    centerContent(duration?: number): void;
    centerX(duration?: number): void;
    centerY(duration?: number): void;
    centerTopLeft(duration?: number): void;
    centerBottomLeft(duration?: number): void;
    centerTopRight(duration?: number): void;
    centerBottomRight(duration?: number): void;
    updateContentDimensions(width?: number, height?: number): void;
    detectContentDimensions(): void;
    private animateToTarget;
    animateChangeZoomLevel(newZoomLevel: number, clickPoint: Point): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<PanZoomComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PanZoomComponent, "pan-zoom, ngx-pan-zoom, ngx-panzoom", never, { "zoomLevels": { "alias": "zoomLevels"; "required": false; "isSignal": true; }; "neutralZoomLevel": { "alias": "neutralZoomLevel"; "required": false; "isSignal": true; }; "scalePerZoomLevel": { "alias": "scalePerZoomLevel"; "required": false; "isSignal": true; }; "initialZoomLevel": { "alias": "initialZoomLevel"; "required": false; "isSignal": true; }; "friction": { "alias": "friction"; "required": false; "isSignal": true; }; "haltSpeed": { "alias": "haltSpeed"; "required": false; "isSignal": true; }; "initialPanX": { "alias": "initialPanX"; "required": false; "isSignal": true; }; "initialPanY": { "alias": "initialPanY"; "required": false; "isSignal": true; }; "initialZoomToFit": { "alias": "initialZoomToFit"; "required": false; "isSignal": true; }; "keepInBounds": { "alias": "keepInBounds"; "required": false; "isSignal": true; }; "keepInBoundsDragPullback": { "alias": "keepInBoundsDragPullback"; "required": false; "isSignal": true; }; "keepInBoundsRestoreForce": { "alias": "keepInBoundsRestoreForce"; "required": false; "isSignal": true; }; "panOnClickDrag": { "alias": "panOnClickDrag"; "required": false; "isSignal": true; }; "dragMouseButton": { "alias": "dragMouseButton"; "required": false; "isSignal": true; }; "zoomButtonIncrement": { "alias": "zoomButtonIncrement"; "required": false; "isSignal": true; }; "zoomOnDoubleClick": { "alias": "zoomOnDoubleClick"; "required": false; "isSignal": true; }; "zoomOnMouseWheel": { "alias": "zoomOnMouseWheel"; "required": false; "isSignal": true; }; "invertMouseWheel": { "alias": "invertMouseWheel"; "required": false; "isSignal": true; }; "zoomStepDuration": { "alias": "zoomStepDuration"; "required": false; "isSignal": true; }; "zoomToFitZoomLevelFactor": { "alias": "zoomToFitZoomLevelFactor"; "required": false; "isSignal": true; }; "freeMouseWheel": { "alias": "freeMouseWheel"; "required": false; "isSignal": true; }; "freeMouseWheelFactor": { "alias": "freeMouseWheelFactor"; "required": false; "isSignal": true; }; "noDragFromElementClass": { "alias": "noDragFromElementClass"; "required": false; "isSignal": true; }; "acceleratePan": { "alias": "acceleratePan"; "required": false; "isSignal": true; }; "dynamicContentDimensions": { "alias": "dynamicContentDimensions"; "required": false; "isSignal": true; }; "model": { "alias": "model"; "required": false; "isSignal": true; }; }, { "model": "modelChange"; }, never, ["*"], true, never>;
}