import { Dialog } from "../ui/Dialog";
import { Framebuffer } from "../webgl/Framebuffer";
import { Control, IControlParams } from "./Control";
import { Program } from "../webgl/Program";
export interface IFramebufferDialogParams extends IControlParams {
    framebuffer?: Framebuffer;
    title?: string;
    common?: string;
    image?: string;
    flippedUV?: boolean;
}
export declare class FramebufferPreview extends Control {
    protected _dialog: Dialog<null>;
    $canvas: HTMLCanvasElement;
    protected _framebuffer: Framebuffer | null;
    protected _screenFramebuffer: Framebuffer | null;
    framebufferCurrentTexture: number;
    protected _program: Program;
    constructor(params: IFramebufferDialogParams);
    bindFramebuffer(framebuffer: Framebuffer): void;
    oninit(): void;
    activate(): void;
    deactivate(): void;
    protected _onDraw: () => void;
}