import { ChangeDetectorRef, ElementRef, EventEmitter, OnInit } from '@angular/core';
import { DomSanitizer, SafeHtml } from '@angular/platform-browser';
import * as i0 from "@angular/core";
export declare enum ActionButtonType {
    BUTTON = 0,
    TOGGLE_BUTTON = 1,
    DROP_DOWN = 2
}
export interface ActionButton {
    action: string;
    label: string;
    tooltip?: string;
    type: ActionButtonType;
    state?: {
        checked?: boolean;
        disabled: boolean;
    };
}
export declare class ImageViewerComponent implements OnInit {
    private readonly chref;
    private readonly elementRef;
    private readonly sanitizer;
    imageSrc: string;
    imageTitle: string;
    overlayText: string;
    actionButtons: ActionButton[];
    imageFilters: string;
    showSaveButton: boolean;
    showZoomByAreaButton: boolean;
    showAdjustButton: boolean;
    showZoomScale: boolean;
    showSliderToolTip: boolean;
    sliderZoomMin: number;
    sliderZoomMax: number;
    sliderZoomStep: number;
    transparentBackgroundForButtons: boolean;
    overlapImageWithButtons: boolean;
    allowBorderColor: string;
    clickActionButton: EventEmitter<string>;
    clickOverlayText: EventEmitter<any>;
    imageViewerWrapper: ElementRef;
    imageViewerImg: ElementRef;
    zoomEnabled: boolean;
    dragEnabled: boolean;
    imgParams: {
        sliderZoomPct: any;
        filter: any;
        top: number;
        left: number;
        width: any;
        height: any;
    };
    zoomSelector: {
        visible: boolean;
        allow: boolean;
        top: any;
        left: any;
        width: any;
        height: any;
    };
    zoomScale: {
        totalWidth: any;
        sliderThumb: number;
        chunks: number;
        marks: {
            marginLeft: number;
            label: string;
        }[];
    };
    actionButtonType: any;
    safeHtml: SafeHtml;
    filteredUrl: string;
    imageWidth: string;
    private zoomArea;
    private viewPort;
    private image;
    private wrapper;
    private imageClicked;
    constructor(chref: ChangeDetectorRef, elementRef: ElementRef, sanitizer: DomSanitizer);
    ngOnInit(): void;
    doMouseDown(event: any): void;
    doMouseMove(event: MouseEvent): void;
    doMouseUp(): void;
    getWidth(): string;
    getFilter(): string;
    setFilter(filter: string): void;
    doAdjust(): void;
    toggleZoomByArea(): void;
    sliderZoomChanged(): void;
    setInitialValues(): void;
    isFilterEnabled(action: string): boolean;
    getDropMainDownLabel(dropDownLabel: string): string;
    getDropDownLabels(dropDownLabel: string): string[];
    getDropDownAction(dropDownActions: string, i: number): string;
    getFilterUrl(): string;
    private initializeCommonParameters;
    private initializeZoomByAreaAction;
    private initializeDragAction;
    private updateZoomSelector;
    private resizeZoomSelectorAndImage;
    private getTargetMagnification;
    private getSliderMarkMarginByZoomFactor;
    private scrollViewport;
    private deactivateZoomSelector;
    private activateZoomSelector;
    private getSliderPct;
    private imageOverflowViewport;
    private scaleImage;
    private getInitialZoom;
    static ɵfac: i0.ɵɵFactoryDeclaration<ImageViewerComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ImageViewerComponent, "systelab-image-viewer", never, { "imageSrc": { "alias": "imageSrc"; "required": false; }; "imageTitle": { "alias": "imageTitle"; "required": false; }; "overlayText": { "alias": "overlayText"; "required": false; }; "actionButtons": { "alias": "actionButtons"; "required": false; }; "imageFilters": { "alias": "imageFilters"; "required": false; }; "showSaveButton": { "alias": "showSaveButton"; "required": false; }; "showZoomByAreaButton": { "alias": "showZoomByAreaButton"; "required": false; }; "showAdjustButton": { "alias": "showAdjustButton"; "required": false; }; "showZoomScale": { "alias": "showZoomScale"; "required": false; }; "showSliderToolTip": { "alias": "showSliderToolTip"; "required": false; }; "sliderZoomMin": { "alias": "sliderZoomMin"; "required": false; }; "sliderZoomMax": { "alias": "sliderZoomMax"; "required": false; }; "sliderZoomStep": { "alias": "sliderZoomStep"; "required": false; }; "transparentBackgroundForButtons": { "alias": "transparentBackgroundForButtons"; "required": false; }; "overlapImageWithButtons": { "alias": "overlapImageWithButtons"; "required": false; }; "allowBorderColor": { "alias": "allowBorderColor"; "required": false; }; }, { "clickActionButton": "clickActionButton"; "clickOverlayText": "clickOverlayText"; }, never, never, false, never>;
}