import * as React from "react";
import { CBARContext } from "./CBARContext";
import { CBAREventHandler, CBARMouseEventHandler, CBARToolMode } from "./CBARTypes";
import { Mat } from "mirada";
export declare const imShow: (image: Mat | CanvasImageSource, text?: string) => void;
export declare const imShowOverlay: (_background: Mat | HTMLCanvasElement, _overlay: Mat | HTMLCanvasElement, text?: string) => void;
export declare const showDebugText: (text: string) => void;
export declare enum ZoomFeatures {
    None = 0,
    ZoomIn = 1,
    ZoomOut = 2,
    Pan = 4,
    SnapTo = 8,
    All = 255
}
export declare const isTouchDevice: boolean;
interface CBARViewProps {
    className?: string;
    onContextCreated: (context: CBARContext) => void;
    toolMode?: CBARToolMode;
    zoom?: ZoomFeatures;
    children?: React.ReactNode;
    onTouchDown?: CBARMouseEventHandler;
    onTouchMove?: CBARMouseEventHandler;
    onTouchUp?: CBARMouseEventHandler;
    onTouchLeave?: CBARMouseEventHandler;
    onMouseOver?: CBARMouseEventHandler;
    onMouseOut?: CBARMouseEventHandler;
    onRotate?: CBAREventHandler;
    onTranslate?: CBAREventHandler;
    showGui?: boolean;
}
export declare function CBARView(props: CBARViewProps): JSX.Element;
export {};