/// <reference types="pdfjs-dist" />
/**
 * Created by Viktor Hajer on 02/08/2018.
 */
import { ElementRef, EventEmitter, OnInit, OnDestroy } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { SimpleSearchState, SimpleDocumentInfo, SimpleOutlineNode, SimpleProgressData, SimpleSearchOptions, SimplePDFBookmark } from './simplePdfViewer.models';
/**
 * Simple PDF Viewer component
 */
export declare class SimplePdfViewerComponent implements OnInit, OnDestroy {
    private element;
    private http;
    private static readonly CSS_UNITS;
    private static readonly PAGE_RESIZE_BORDER_HEIGHT;
    private static readonly PAGE_RESIZE_BORDER_WIDTH;
    private static readonly ZOOM_UNIT;
    private static readonly MAX_ZOOM;
    private static readonly MIN_ZOOM;
    private static readonly PDF_FINDER_FIND_COMMAND;
    private static readonly PDF_FINDER_AGAIN_COMMAND;
    private static readonly PDF_VIEWER_DEFAULT_SCALE;
    private static readonly SNAPSHOT_TPYE;
    /**
     * Source of the PDF document (Required)
     */
    src: string | Uint8Array | PDF.PDFSource;
    /**
     * Page border is displayed or not (Optional)
     */
    removePageBorders: boolean;
    /**
     * Text layer is displayed or not (Optional)
     */
    disableTextLayer: boolean;
    onLoadComplete: EventEmitter<void>;
    onError: EventEmitter<any>;
    onProgress: EventEmitter<SimpleProgressData>;
    onSearchStateChange: EventEmitter<SimpleSearchState>;
    private startAt;
    private loaded;
    private currentPage;
    private numberOfPages;
    private outline;
    private information;
    private zoom;
    private rotation;
    private pdf;
    private pdfLinkService;
    private pdfViewer;
    private pdfFindController;
    private searching;
    private lastSearchText;
    private searchPrevious;
    private searchOptions;
    constructor(element: ElementRef, http: HttpClient);
    ngOnInit(): void;
    ngOnDestroy(): void;
    /**
     * Open a PDF document at the specified page (at the first page by default)
     * @param src Source of the PDF document
     * @param startAt The bookmark where should start, default: at the first page
     */
    openDocument(src: string | Uint8Array | PDF.PDFSource, startAt?: SimplePDFBookmark): void;
    /**
     * Open a PDF document at the specified page (at the first page by default)
     * @param file The File source of the PDF document
     * @param startAt The bookmark where should start, default: at the first page
     */
    openFile(file: File, startAt?: SimplePDFBookmark): void;
    /**
     * Open a PDF document at the specified page (at the first page by default)
     * @param url The url of the PDF document
     * @param startAt The bookmark where should start, default: at the first page
     */
    openUrl(url: string, startAt?: SimplePDFBookmark): void;
    /**
     * Returns whether the PDF document is loaded properly
     */
    isDocumentLoaded(): boolean;
    private initPDFJS();
    private pagesinitEventListener();
    private pagechangeEventListener();
    private updateviewareaEventListener();
    private setAndParseSrc(src);
    private loadFile();
    private resetParameters();
    private mapOutline(nodes);
    private getContainer();
    /**
     * Returns the basic information about the PDF document
     */
    getDocumentInformation(): SimpleDocumentInfo[];
    /**
     * Returns the value of the viewport scale
     */
    getZoom(): number;
    /**
     * Returns the value of the viewport scale in %
     */
    getZoomPercent(): number;
    /**
     * Increases the scale of the PDF viewport
     */
    zoomIn(): void;
    /**
     * Decreases the scale of the PDF viewport
     */
    zoomOut(): void;
    /**
     * Sets the original viewport scale back to 1.0
     */
    zoomReset(): void;
    /**
     * Sets the scale of the PDF viewport to fit in the actual screen
     */
    zoomFullPage(): void;
    /**
     * Sets the scale of the PDF viewport to fit in the actual screen (width priority)
     */
    zoomPageWidth(): void;
    /**
     * Sets the scale of the PDF viewport to fit in the actual screen (height priority)
     */
    zoomPageHeight(): void;
    private getScale(page, priority?);
    /**
     * Set the zoom of the document in double
     * @param scale The zoom value in double
     */
    setZoom(scale: number): void;
    /**
     * Set the zoom of the document in percent
     * @param zoom The scale value in percent
     */
    setZoomInPercent(zoom: number): void;
    private normalizeScale(scale);
    /**
     * Starts case sensitive/insensitive text search and navigate to the first match (from the actual page)
     * @param text searched text
     * @param searchOptions set true to use case sensitive searching (false by default)
     */
    search(text: string, searchOptions?: SimpleSearchOptions): void;
    /**
     * Navigates to the next search match if there were multiple hits
     */
    nextMatch(): void;
    /**
     * Navigates to the previous search match if there were multiple hits
     */
    previousMatch(): void;
    private stepMatch(findPrevious);
    private searchAgain();
    /**
     * Returns the number of the search hits
     */
    getNumberOfMatches(): number;
    /**
     * Returns whether there is a matched item
     */
    hasMatches(): boolean;
    /**
     * Returns whether the search is in-progress
     */
    isSearching(): boolean;
    private onUpdateResultsCount();
    private onUpdateState(state);
    /**
     * Returns the number of the actual page
     */
    getCurrentPage(): number;
    /**
     * Returns the number of the pages
     */
    getNumberOfPages(): number;
    /**
     * Returns outline / table of content in tree structure
     */
    getOutline(): SimpleOutlineNode[];
    /**
     * Returns whether the outline is available
     */
    hasOutline(): boolean;
    /**
     * Navigates to the specified (outline) destination/chapter
     * @param destination the destination object of the outline item
     */
    navigateToChapter(destination: any): void;
    /**
     * Navigates to the first page
     */
    firstPage(): void;
    /**
     * Navigates to the last page
     */
    lastPage(): void;
    /**
     * Navigates to the next page
     */
    nextPage(): void;
    /**
     * Navigates to the previous page
     */
    prevPage(): void;
    /**
     * Navigates to the specified page
     * @param page the number of the page
     * @param pageDefault
     */
    navigateToPage(page: number, pageDefault?: number): void;
    /**
     * Sets the rotation to the default 0 degree
     */
    resetRotation(): void;
    /**
     * Turns left the document with 90 degree (counterclockwise)
     */
    turnLeft(): void;
    /**
     * Turns right the document with 90 degree (clockwise)
     */
    turnRight(): void;
    /**
     * Returns the actual rotation value in degree
     */
    getRotation(): number;
    private rotate(angle?);
    /**
     * Creates bookmark object based on the current viewport and page number.
     * The object can be passed to the #navigateToBookmark method.
     */
    createBookmark(): Promise<SimplePDFBookmark>;
    /**
     * Navigates to the specified bookmark
     */
    navigateToBookmark(bookmark: SimplePDFBookmark): void;
    /**
     * Create a snapshot image (PNG) based about the current page
     * @param scale the value of the viewport scale, it is 1 by default
     */
    getPageSnapshot(scale?: number): Promise<File>;
    private dataURItoFile(dataURI);
}