/// <reference path="../../vendor/i18next.d.ts" />
//@ts-ignore
import { i18n } from "i18next";
import { ImageFormatCode } from "../../ImageViewer/Models";
import { IImageViewer } from "../../ImageViewer/Models/IImageViewer";
import { Size } from "../../ImageViewer/Models/SelectionBoxTypes";
import { ImageViewerPluginBase, PluginType } from "../../ImageViewer/Core/ImageViewerPluginBase";
export declare function mirrorImage(ctx: CanvasRenderingContext2D, image: HTMLImageElement, x?: number, y?: number, horizontal?: boolean, vertical?: boolean): void;
/**
 * Page tools toolbar button key.
 **/
export declare type PageToolButtonKey = "rotate-image" | "flip-horizontal" | "flip-vertical" | "crop-image" | "resize-image" | "$split" | "edit-undo" | "edit-redo";
/**
 * PageToolsPlugin options.
 **/
export declare type PageToolsPluginOptions = {
    /**
     * The position where the "Page tools" button should be inserted. Use `false` or `-1` to skip insertion. Undefined means the position will be determined automatically.
     **/
    buttonPosition?: number | false;
    /**
     * The page tools toolbar layout.
     * @default
     * Default layout:
     * ["rotate-image", "flip-horizontal", "flip-vertical", "crop-image", "resize-image"]
     * @example
     * ```javascript
     * <script src="gcimageviewer.js"></script></head>
     * <script src="plugins/pageTools.js"></script>
     * <script>
     *   var viewer = new DsImageViewer("#root");
     *   var pageToolsPlugin = new PageToolsPlugin( { toolbarLayout: ["rotate-image", "flip-horizontal"] } );
     *   viewer.addPlugin(pageToolsPlugin);
     * </script>
     * ```
     **/
    toolbarLayout?: PageToolButtonKey[];
};
/**
 * PageToolsPlugin class.
 * Adds the "Page tools" button.
 * @example
 * ```javascript
 * <script src="gcimageviewer.js"></script></head>
 * <script src="plugins/pageTools.js"></script>
 * <script>
 *   var viewer = new DsImageViewer("#root");
 *   viewer.addPlugin(new PageToolsPlugin());
 * </script>
 * ```
 * @param {any} options
**/
export declare class PageToolsPlugin extends ImageViewerPluginBase {
    /**
     * Unique plugin identifier.
     **/
    readonly id: PluginType;
    /**
     * Plugin options
     **/
    options: PageToolsPluginOptions;
    private _totalRotation;
    /**
     * PageToolsPlugin constructor.
     * @param options plugin options
     */
    constructor(options?: PageToolsPluginOptions);
    /**
     * Returns true if the image is loaded into the viewer and the image format is supported by the Page Tools plugin.
     **/
    get isReady(): boolean;
    /**
     * Viewer instance identifier.
     * @ignore exclude from docs.
     **/
    get instanceId(): string;
    /**
     * @ignore exclude from docs.
     **/
    get maxImageSize(): Size;
    /**
    * Natural image size.
    **/
    get naturalSize(): {
        width: number;
        height: number;
    };
    /**
     * Gets second toolbar layout.
     * @ignore exclude from documentation.
     **/
    get toolbarLayout(): PageToolButtonKey[];
    get viewer(): IImageViewer;
    initialize(viewer: any): void;
    dispose(): void;
    get in17n(): i18n;
    /**
    * Gets current rotation in degrees.
    **/
    get totalRotation(): number;
    /**
     * Rotate image.
     **/
    rotate(rotation: number): Promise<boolean>;
    /**
     * Checks if the image format specified by the imageFormat parameter is supported.
     * @param imageFormat
     **/
    isImageFormatSupported(imageFormat: ImageFormatCode | string, allowUnknown?: boolean): boolean;
    /**
     * Crop image.
     * @param x
     * @param y
     * @param width
     * @param height
     */
    crop(x: number, y: number, width: number, height: number): Promise<boolean>;
    /**
     * Resize image.
     * @param width
     * @param height
     * @param keepAspectRatio
     */
    resize(width: number, height: number, keepAspectRatio?: boolean): Promise<boolean>;
    /**
    * Flip image.
    **/
    flip(horizontal?: boolean, vertical?: boolean): Promise<boolean>;
    /**
    * Flip image horizontally.
    **/
    flipHorizontal(): Promise<boolean>;
    /**
    * Flip image vertically.
    **/
    flipVertical(): Promise<boolean>;
    private _onBeforeOpen;
    /**
     * Rotate image data action.
     **/
    private _rotateImageData;
    private _imageSizeAfterRotation;
    private _ensureOptions;
}