import { chunkOptions, ConfigurationChunk, image, line, imageOptions } from '../tools/formatters';
import { PrinterLanguage, LineSegment } from './base-printer-language';
import * as utils from '../tools/utils';
import * as formatters2 from '../tools/formatters';
/**
 * This class implements the HTML based printer language used by the Android printing logic and the print preview screen.
 */
export declare class HtmlPrinterLanguage extends PrinterLanguage {
    constructor();
    /** @ignore  */
    protected lines: any[];
    /** Can be used to increase the document height if necessary */
    additionalDocumentHeight: number;
    /** Loads image from file and returns it as HTML image element
     * @ignore
     * @param imagePath - The path to the image
     * @param width - The width of the image
     * @param height - The height of the image
     * @returns The image is loaded asynchronously, so the method returns a promise containing an HTML image element.
     */
    private loadImage;
    /**
     * Changes the current coordinates of the printer for printing the next line
     * @param xCoord - The new X coordinate (used for left/right alignment)
     * @param zCoord - The new Z coordinate (used for up/down alignment)
     */
    updateCoordinates(xCoord?: number, zCoord?: number): void;
    /**
     * Used to print a horizontal ruler on the paper
     * @param ruler - The character to use for the ruler
     */
    printHorizRuler(ruler: string): void;
    /**
     * Used to print a text line.
     * @param line - An array of LineSegment objects. Each LineSegment object contains the text to print and the style to use.
     */
    printLine(line: Array<LineSegment>): void;
    /**
     * Use to print an image.
     * @param imageDataInBase64 - Contains the image data in a format that can be printed by HTML printers.
     * If this parameter is null, empty or undefined, the method will do nothing.
     * @param width - The width of the image in pixels
     * @param height - The width of the image in pixels
     * @param alignment - How the image is aligned on the paper
     */
    printImage(imageDataInBase64: any, width: number, height: number, alignment: utils.Alignment, options: imageOptions): void;
    /**
     * Use this to begin printing a new document.
     * @returns {string} - The document to print in HTML format
     */
    printDocument(): string;
    printDocumentAsync(): Promise<string>;
    /**
     * Used to initialise the default values for the properties of the class
     */
    init(config: any): void;
    changeConfiguration(chunk: ConfigurationChunk): void;
    /**
     * Can be used to specify how a word is printed. This is useful for printing text containing special characters (arabic, french, etc.)
     * @param word - The word to print
     * @param options - Options for controlling how the word is printed
     * @returns - The text to print. If the language is arabic, the word is prepended with a unicode character that tells the printer how to print it correctly.
     */
    renderWord(word: string, options: chunkOptions): string;
    printImageRow(images: Array<image | line>, width: number, height: number, alignment: utils.Alignment, options?: imageOptions): Promise<void>;
    /**
     * Used to print a barcode as an HTML image element
     * @param barcodeData - The data to encode in the barcode
     * @param barcodeType - The type of barcode to print (from utils.Barcode enum)
     * @param height - The height of the barcode in pixels
     * @param width - The width multiplier for barcode bars
     * @param alignment - How the barcode should be aligned on the paper
     */
    printBarcode(barcodeData: string, barcodeType: utils.Barcode, height: number, width: number, offset: number, alignment: utils.Alignment, options?: formatters2.barcodeOptions): void;
    /**
     * Renders a QR code pattern simulation
     */
    private renderQRCodePattern;
    /**
     * Draws QR code finder patterns
     */
    private drawFinderPattern;
    /**
     * Renders a PDF417 pattern simulation
     */
    private renderPDF417Pattern;
    /**
     * Renders an Aztec code pattern simulation
     */
    private renderAztecPattern;
    /**
     * Renders a linear barcode pattern simulation
     */
    private renderLinearBarcodePattern;
}