import { EventEmitter, ElementRef, AfterViewInit, Renderer, OnDestroy } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
import { ImageViewerConfig } from './imageviewer.config';
import { ResourceState } from './imageviewer.model';
import { ImageCacheService } from './imagecache.service';
export declare class ImageViewerComponent implements AfterViewInit, OnDestroy {
    private _sanitizer;
    private _renderer;
    private _imageCache;
    private config;
    private _src;
    src: string | File;
    private _filetype;
    filetype: string;
    private _width;
    width: number;
    private _height;
    height: number;
    nextPageBinding: EventEmitter<void>;
    prevPageBinding: EventEmitter<void>;
    zoomOutBinding: EventEmitter<void>;
    zoomInBinding: EventEmitter<void>;
    rotateLeftBinding: EventEmitter<void>;
    rotateRightBinding: EventEmitter<void>;
    resetZoomBinding: EventEmitter<void>;
    canvasRef: ElementRef;
    onLoadError: EventEmitter<{}>;
    onResourceStateChange: EventEmitter<ResourceState>;
    private _canvas;
    private _context;
    private _dirty;
    private _nextPageButton;
    private _beforePageButton;
    private _zoomOutButton;
    private _zoomInButton;
    private _rotateLeftButton;
    private _rotateRightButton;
    private _resetButton;
    private _buttons;
    private _currentTooltip;
    private _touchStartState;
    private _listenDestroyList;
    private _resource;
    private _resourceChangeSub;
    private _imageResource;
    private _pdfResource;
    private _isHammerPreset;
    constructor(_sanitizer: DomSanitizer, _renderer: Renderer, _imageCache: ImageCacheService, config: ImageViewerConfig);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    setUpResource(): void;
    onTap(evt: any): void;
    onTouchEnd(): void;
    processTouchEvent(evt: any): void;
    private addEventListeners();
    private onMouseWheel(evt);
    private checkTooltipActivation(pos);
    private nextPage();
    private previousPage();
    private zoomIn();
    private zoomOut();
    private rotateLeft();
    private rotateRight();
    private resetImage();
    private updateCanvas();
    private render();
    private drawButtons(ctx);
    private drawPaginator(ctx);
    private drawRoundRectangle(ctx, x, y, width, height, radius, fill, stroke);
    private extendsDefaultConfig(cfg);
    private screenToCanvasCentre(pos);
    private getUIElements();
    private getUIElement(pos);
    private isImage(file);
    private isPdf(file);
}