import { PlaitBoard, PlaitElement, RectangleClient } from '@plait/core';
import { Generator, GeneratorExtraData, GeneratorOptions } from '../generators/generator';
import { CommonImageItem } from '../utils';
import { ActiveGenerator } from '../generators/active.generator';
import { ImageComponentRef } from './with-image';
export declare const FOREIGN_OBJECT_IMAGE_CLASS_NAME = "foreign-object-image";
export interface ImageGeneratorOptions<T> {
    getRectangle: (element: T) => RectangleClient;
    getImageItem: (element: T) => CommonImageItem;
}
export declare class ImageGenerator<T extends PlaitElement = PlaitElement> extends Generator<T, GeneratorExtraData, ImageGeneratorOptions<T> & GeneratorOptions> {
    board: PlaitBoard;
    options: ImageGeneratorOptions<T>;
    static key: string;
    foreignObject: SVGForeignObjectElement;
    imageComponentRef: ImageComponentRef;
    activeGenerator: ActiveGenerator;
    isFocus: boolean;
    element: T;
    constructor(board: PlaitBoard, options: ImageGeneratorOptions<T>);
    canDraw(element: T): boolean;
    draw(element: T): SVGGElement;
    updateImage(nodeG: SVGGElement, previous: T, current: T): void;
    setFocus(element: PlaitElement, isFocus: boolean): void;
    destroy(): void;
}