import { HistogramData, OperationOption } from './types';
/**
 * Core logic for the imgstry editor.
 * Defines all the processing logic.
 *
 * @export
 * @abstract
 * @class ImgstryProcessor
 * @ignore
 */
export declare abstract class ImgstryProcessor {
    /**
     * Width of the image.
     *
     * @type {number}
     * @memberOf ImgstryProcessor
     */
    abstract width: number;
    /**
     * Height of the image.
     *
     * @type {number}
     * @memberOf ImgstryProcessor
     */
    abstract height: number;
    /**
     * Original copy of the processed image.
     *
     * @type {ImageData}
     * @memberOf ImgstryProcessor
     */
    protected _original: ImageData | null;
    /**
     * Encodes the canvas data to a data URI.
     *
     * @param {string} type The standard MIME type for the image format to return.
     * If you do not specify this parameter, the default value is a PNG format image.
     * @returns {string} The image encoded as a data url.
     * @memberof Imgstry
     */
    abstract toDataUrl(type: string): string;
    /**
     * Resets the image to the original state.
     *
     * @abstract
     * @returns {ImgstryProcessor} The current processor instance.
     *
     * @memberOf ImgstryProcessor
     */
    abstract reset(): ImgstryProcessor;
    /**
     * Clone image data
     *
     * @abstract
     * @param {ImageData} source The source image data.
     * @returns {ImageData} The cloned canvas image data.
     * @memberOf ImgstryProcessor
     */
    abstract clone(source: ImageData): ImageData;
    /**
     * Create image data based on a source
     *
     * @abstract
     * @param {ImageData} source The source image data.
     * @returns {ImageData} The new image data.
     * @memberOf ImgstryProcessor
     */
    abstract createImageData(source: ImageData): ImageData;
    /**
     * Gets the image data.
     *
     * @abstract
     * @type {ImageData}
     * @memberOf ImgstryProcessor
     */
    abstract get imageData(): ImageData;
    /**
     * Sets the image data.
     *
     * @abstract
     *
     * @memberOf ImgstryProcessor
     */
    abstract set imageData(imgData: ImageData);
    /**
     * Returns the channel histogram of the image.
     *
     * @readonly
     * @type {HistogramData}
     * @memberof ImgstryProcessor
     */
    get histogram(): HistogramData;
    /**
     * Applies a series of filters to the image.
     *
     * @param {OperationOption[]} options The set of operations.
     * @param {boolean} [reset] If the image should be reset to its original state before applying operations.
     * @returns {ImgstryProcessor} The current processor instance
     * @memberof ImgstryProcessor
     */
    batch(options: OperationOption[], reset?: boolean): ImgstryProcessor;
    private _convolve;
    private _matrixTraverse;
    private _traverse;
}