import { Component, L10n, ModuleDeclaration } from '@syncfusion/ej2-base';
import { INotifyPropertyChanged, EmitType } from '@syncfusion/ej2-base';
import { RenderingMode, BarcodeType, BarcodeExportType } from './enum/enum';
import { BarcodeGeneratorModel } from './barcode-model';
import { DisplayTextModel } from './primitives/displaytext-model';
import { MarginModel } from './primitives/margin-model';
/**
 * Represents the Barcode control
 * ```html
 * <div id='barcode'/>
 * ```
 * ```typescript
 * let barcode: Barcode = new Barcode({
 * width:'1000px', height:'500px' });
 * barcode.appendTo('#barcode');
 * ```
 */
export declare class BarcodeGenerator extends Component<HTMLElement> implements INotifyPropertyChanged {
    /**
     * Defines the width of the barcode model.
     * ```html
     * <div id='barcode'/>
     * ```
     * ```typescript
     * let barcode: Barcode = new Barcode({
     * width:'1000px', height:'500px' });
     * barcode.appendTo('#barcode');
     * ```
     *
     * @default '100%'
     */
    width: string | number;
    /**
     * Defines the height of the barcode model.
     * ```html
     * <div id='barcode'/>
     * ```
     * ```typescript
     * let barcode: Barcode = new Barcode({
     * height:'1000px', height:'500px' });
     * barcode.appendTo('#barcode');
     * ```
     *
     * @default '100'
     *
     */
    height: string | number;
    /**
     * Defines the barcode rendering mode.
     * * SVG - Renders the bar-code objects as SVG elements
     * * Canvas - Renders the bar-code in a canvas
     *
     * @default 'SVG'
     *
     */
    mode: RenderingMode;
    /**
     * Defines the type of barcode to be rendered.
     *
     * @default 'Code128'
     *
     */
    type: BarcodeType;
    /**
     * Defines the value of the barcode to be rendered.
     *
     * @default undefined
     *
     */
    value: string;
    /**
     * Defines the checksum for the barcode.
     *
     * @default 'true'
     *
     */
    enableCheckSum: boolean;
    /**
     * Defines the text properties for the barcode.
     *
     * @default ''
     *
     */
    displayText: DisplayTextModel;
    /**
     * Defines the margin properties for the barcode.
     *
     * @default ''
     *
     */
    margin: MarginModel;
    /**
     * Defines the background color of the barcode.
     *
     * @default 'white'
     *
     */
    backgroundColor: string;
    /**
     * Defines the forecolor of the barcode.
     *
     * @default 'black'
     *
     */
    foreColor: string;
    /**
     * Triggers if you enter any invalid character.
     *
     * @event
     */
    invalid: EmitType<Object>;
    /** @private */
    localeObj: L10n;
    /** @private */
    private defaultLocale;
    private barcodeCanvas;
    private barcodeRenderer;
    /**
     * Constructor for creating the widget
     *
     * @param {BarcodeGeneratorModel} options The barcode model.
     * @param {HTMLElement | string} element The barcode element.
     */
    constructor(options?: BarcodeGeneratorModel, element?: HTMLElement | string);
    private triggerEvent;
    onPropertyChanged(newProp: BarcodeGeneratorModel, oldProp: BarcodeGeneratorModel): void;
    private initialize;
    /**
     * Export the barcode as an image in the specified image type and downloads it in the browser.
     *
     * @returns {void} Export the barcode as an image in the specified image type and downloads it in the browser.
     *  @param {string} filename - Specifies the filename of the barcode image to be download.
     *  @param {BarcodeExportType} exportType - Defines the format of the barcode to be exported
     */
    exportImage(filename: string, exportType: BarcodeExportType): void;
    /**
     * Export the barcode as an image in the specified image type and returns it as base64 string.
     *
     * @returns {string} Export the barcode as an image in the specified image type and returns it as base64 string.
     *  @param {BarcodeExportType} exportType - Defines the format of the barcode to be exported
     */
    exportAsBase64Image(exportType: BarcodeExportType): Promise<string>;
    private renderElements;
    private refreshCanvasBarcode;
    private clearCanvas;
    /**
     * Get the properties to be maintained in the persisted state.
     *
     * @returns {string} Get the properties to be maintained in the persisted state.
     */
    getPersistData(): string;
    /**
     * @private
     * @param real
     */
    private getElementSize;
    protected preRender(): void;
    private initializePrivateVariables;
    /**
     * Method to set culture for chart
     */
    private setCulture;
    /**
     * Renders the barcode control with nodes and connectors
     *
     * @returns {void}
     */
    render(): void;
    /**
     * Returns the module name of the barcode
     *
     * @returns {string}  Returns the module name of the barcode
     */
    getModuleName(): string;
    /**
     *To provide the array of modules needed for control rendering
     *
     * @function destroy
     * @returns {ModuleDeclaration[]} To provide the array of modules needed for control rendering
     * @private
     */
    requiredModules(): ModuleDeclaration[];
    /**
     * It is used to destroy the Barcode component.
     *
     * @function destroy
     * @returns {void}
     */
    destroy(): void;
}