import { ZoomSettings } from "@dt/core-viewer";
import { GcImageViewer } from "../GcImageViewer";
import { OpenParameters } from "../Models";
/**
 * Interface for undo commands.
 * @example
 * // The UndoCommandSupport interface implementation example.
 * function CustomUndoCommand() { }
 * CustomUndoCommand.prototype = {
 *     name: "CustomUndoCommand",
 *     execute: function(viewer) {
 *         return new Promise((resolve)=>{
 *             // Put your action code here
 *             resolve();
 *         })
 *     },
 *     undo: function(viewer) {
 *         return new Promise((resolve)=>{
 *             // Put your undo action here
 *             resolve();
 *         })
 *     }
 * };
 **/
export interface UndoCommandSupport {
    /**
     * Optional. The unique name of the command. Used by the undo.skipCommands option setting.
     **/
    name?: string;
    /**
     * Action implementation.
     * @param viewer
     **/
    execute(viewer: GcImageViewer): Promise<void>;
    /**
     * Undo action implementation.
     * @param viewer
     **/
    undo(viewer: GcImageViewer): Promise<void>;
}
/**
 * Open command.
 **/
export declare class OpenCommand implements UndoCommandSupport {
    viewer: GcImageViewer;
    file: any;
    params: OpenParameters;
    private _prevFile;
    private _prevOpenParameters;
    private _prevFrameIndex;
    /**
     * OpenCommand constructor.
     * @param dataUri
     * @param params
     **/
    constructor(viewer: GcImageViewer, file: any, params: OpenParameters);
    name: string;
    execute(viewer: GcImageViewer): Promise<void>;
    undo(viewer: GcImageViewer): Promise<void>;
}
/**
 * Close command.
 **/
export declare class CloseCommand implements UndoCommandSupport {
    viewer: GcImageViewer;
    private _prevDataUri;
    private _prevOpenParameters;
    /**
     * CloseCommand constructor.
     **/
    constructor(viewer: GcImageViewer);
    name: string;
    execute(viewer: GcImageViewer): Promise<void>;
    undo(viewer: GcImageViewer): Promise<void>;
}
/**
 * StartAnimation command.
 **/
export declare class StartAnimationCommand implements UndoCommandSupport {
    startFrameIndex: number;
    /**
     * Constructor.
     * @param frameIndex
     **/
    constructor(startFrameIndex: number);
    name: string;
    execute(viewer: GcImageViewer): Promise<void>;
    undo(viewer: GcImageViewer): Promise<void>;
}
/**
 * StopAnimation command.
 **/
export declare class StopAnimationCommand implements UndoCommandSupport {
    stopFrameIndex: number;
    startFrameIndex: number;
    /**
     * Constructor.
     * @param stopFrameIndex
     * @param startFrameIndex
     **/
    constructor(stopFrameIndex: number, startFrameIndex: number);
    name: string;
    execute(viewer: GcImageViewer): Promise<void>;
    undo(viewer: GcImageViewer): Promise<void>;
}
/**
 * Frame Index command.
 **/
export declare class FrameIndexCommand implements UndoCommandSupport {
    frameIndex: number;
    prevFrameIndex: number;
    /**
     * Constructor.
     * @param frameIndex
     * @param prevFrameIndex
     */
    constructor(frameIndex: number, prevFrameIndex: number);
    name: string;
    execute(viewer: GcImageViewer): Promise<void>;
    undo(viewer: GcImageViewer): Promise<void>;
}
/**
 * Zoom command.
 * @example
 * ```javascript
 * viewer.executeCommand(new ZoomCommand( { mode: 0, factor: 0.5 }, { mode: 0, factor: 1.0 } ));
 * ```
 **/
export declare class ZoomCommand implements UndoCommandSupport {
    zoom: ZoomSettings;
    prevZoom: ZoomSettings;
    /**
     *
     * @param zoom new zoom settings.
     * @param optional, previous zoom settings.
     **/
    constructor(zoom: ZoomSettings, prevZoom: ZoomSettings);
    name: string;
    execute(viewer: GcImageViewer): Promise<void>;
    undo(viewer: GcImageViewer): Promise<void>;
}