import { _PdfReference } from './../../pdf-primitives';
import { _PdfStream } from './../../base-stream';
import { PdfGraphics } from './../../graphics/pdf-graphics';
/**
 * The 'PdfImage' contains methods and properties to handle the images.
 * ```typescript
 * // Load an existing PDF document
 * let document: PdfDocument = new PdfDocument(data, password);
 * // Access first page
 * let page: PdfPage = document.getPage(0);
 * // Gets the graphics of the PDF page
 * let graphics: PdfGraphics = page.graphics;
 * // Create new image object by using JPEG image data as Base64 string format
 * let image: PdfImage = new PdfBitmap('/9j/4AAQSkZJRgABAQEAkACQAAD/4....QB//Z');
 * //Draw the image.
 * graphics.drawImage(image, 10, 20, 400, 400);
 * // Save the document
 * document.save('output.pdf');
 * // Destroy the document
 * document.destroy();
 * ```
 */
export declare abstract class PdfImage {
    _imageWidth: number;
    _imageHeight: number;
    _bitsPerComponent: number;
    _horizontalResolution: number;
    _verticalResolution: number;
    _imagePhysicalDimension: number[];
    _imageStream: _PdfStream;
    _maskStream: _PdfStream;
    _reference: _PdfReference;
    _maskReference: _PdfReference;
    _key: string;
    /**
     * Gets the width of the PDF image.
     *
     * @returns {number} image width.
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data, password);
     * // Access first page
     * let page: PdfPage = document.getPage(0);
     * // Gets the graphics of the PDF page
     * let graphics: PdfGraphics = page.graphics;
     * // Create new image object by using JPEG image data as Base64 string format
     * let image: PdfImage = new PdfBitmap('/9j/4AAQSkZJRgABAQEAkACQAAD/4....QB//Z');
     * // Gets the width of the image.
     * let width: number = image.width;
     * //Draw the image.
     * image.draw(graphics);
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Sets the width of the PDF image.
    *
    * @param {number} value value.
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data, password);
    * // Access first page
    * let page: PdfPage = document.getPage(0);
    * // Gets the graphics of the PDF page
    * let graphics: PdfGraphics = page.graphics;
    * // Create new image object by using JPEG image data as Base64 string format
    * let image: PdfImage = new PdfBitmap('/9j/4AAQSkZJRgABAQEAkACQAAD/4....QB//Z');
    * // Sets the width of the image.
    * image.width = 100;
    * //Draw the image.
    * image.draw(graphics);
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    * ```
    */
    width: number;
    /**
     * Gets the height of the PDF image.
     *
     * @returns {number} image height.
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data, password);
     * // Access first page
     * let page: PdfPage = document.getPage(0);
     * // Gets the graphics of the PDF page
     * let graphics: PdfGraphics = page.graphics;
     * // Create new image object by using JPEG image data as Base64 string format
     * let image: PdfImage = new PdfBitmap('/9j/4AAQSkZJRgABAQEAkACQAAD/4....QB//Z');
     * // Gets the height of the image.
     * let height: number = image.height;
     * //Draw the image.
     * image.draw(graphics);
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Sets the height of the PDF image.
    *
    * @param {number} value value.
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data, password);
    * // Access first page
    * let page: PdfPage = document.getPage(0);
    * // Gets the graphics of the PDF page
    * let graphics: PdfGraphics = page.graphics;
    * // Create new image object by using JPEG image data as Base64 string format
    * let image: PdfImage = new PdfBitmap('/9j/4AAQSkZJRgABAQEAkACQAAD/4....QB//Z');
    * // Sets the height of the image.
    * image.height = 100;
    * //Draw the image.
    * image.draw(graphics);
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    * ```
    */
    height: number;
    /**
     * Gets the physical dimension of the PDF image (Read only).
     *
     * @returns {number[]} image physical dimension.
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data, password);
     * // Access first page
     * let page: PdfPage = document.getPage(0);
     * // Gets the graphics of the PDF page
     * let graphics: PdfGraphics = page.graphics;
     * // Create new image object by using JPEG image data as Base64 string format
     * let image: PdfImage = new PdfBitmap('/9j/4AAQSkZJRgABAQEAkACQAAD/4....QB//Z');
     * // Gets the physical dimension of the image.
     * let dimension: number[] = image.physicalDimension;
     * //Draw the image.
     * image.draw(graphics);
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    readonly physicalDimension: number[];
    /**
     * Represents a method to draw a image on the PDF graphics.
     *
     * @param {PdfGraphics} graphics value.
     * @returns {void} Draws a image on the page graphics.
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data, password);
     * // Access first page
     * let page: PdfPage = document.getPage(0);
     * // Gets the graphics of the PDF page
     * let graphics: PdfGraphics = page.graphics;
     * // Create new image object by using JPEG image data as Base64 string format
     * let image: PdfImage = new PdfBitmap('/9j/4AAQSkZJRgABAQEAkACQAAD/4....QB//Z');
     * //Draw the image.
     * image.draw(graphics);
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    draw(graphics: PdfGraphics): void;
    /**
     * Represents a method to draw a image on the PDF graphics.
     *
     * @param {PdfGraphics} graphics value.
     * @param {number} x The x-coordinate of the image
     * @param {number} y The y-coordinate of the image.
     * @returns {void} Draws a image on the page graphics.
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data, password);
     * // Access first page
     * let page: PdfPage = document.getPage(0);
     * // Gets the graphics of the PDF page
     * let graphics: PdfGraphics = page.graphics;
     * // Create new image object by using JPEG image data as Base64 string format
     * let image: PdfImage = new PdfBitmap('/9j/4AAQSkZJRgABAQEAkACQAAD/4....QB//Z');
     * //Draw the image.
     * image.draw(graphics, 10, 10);
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    draw(graphics: PdfGraphics, x: number, y: number): void;
    abstract _save(): void;
    _getPointSize(width: number, height: number): number[];
    _getPointSize(width: number, height: number, horizontalResolution: number): number[];
}