import React from 'react';
import { ArrowDispatch } from './dispatch/ArrowDispatch';
import { CircleDispatch } from './dispatch/CircleDispatch';
import { EraserDispatch } from './dispatch/EraserDispatch';
import { FeruleDispatch } from './dispatch/FeruleDispatch';
import { LineDispatch } from './dispatch/LineDispatch';
import { PencilDispatch } from './dispatch/PencilDispatch';
import { RectDispatch } from './dispatch/RectDispatch';
import { SelectDispatch } from './dispatch/SelectDispatch';
import { StarDispatch } from './dispatch/StarDispatch';
import { ITextDispatch } from './dispatch/ITextDispatch';
import { TriangleDispatch } from './dispatch/TriangleDispatch';
import { UndoRedoDispatch } from './dispatch/UndoRedoDispatch';
import { IEBoardContext } from './EBoardContext';
import { IBrushContext } from './interface/IBrush';
import { IBaseFrame, IMessage } from './interface/IFrame';
import './style/cursor.less';
export declare interface IEBoardCanvasContext extends IBrushContext {
    disabled: boolean;
    dispatchMessage: (message: IMessage, timestamp: number, animation?: boolean) => Promise<{}>;
    setCacheData: (json: any, wbNumber: string, pageNo?: number) => void;
    clearCacheMessage: (wbNumber: string, pageNo?: number) => void;
    clearAll: (wbNumber: string, pageNo?: number) => void;
    clearUndoRedo: () => void;
}
declare interface IEBoardCanvasProps extends IEBoardCanvasContext {
    property: IBaseFrame;
    width: number;
    height: number;
    dimensions: {
        width: number;
        height: number;
    };
    onContainerSizeChange: () => void;
}
declare class EBoardCanvas extends React.Component<IEBoardCanvasProps> {
    private containerRef;
    private fabricCanvas;
    private image;
    private imageWidth;
    private imageHeight;
    private bgObject;
    private brush;
    pencilDispatch: PencilDispatch;
    textDispatch: ITextDispatch;
    lineDispatch: LineDispatch;
    arrowDispatch: ArrowDispatch;
    circleDispatch: CircleDispatch;
    rectDispatch: RectDispatch;
    starDispatch: StarDispatch;
    triangleDispatch: TriangleDispatch;
    eraserDispatch: EraserDispatch;
    transformDispatch: SelectDispatch;
    feruleDispatch: FeruleDispatch;
    undoRedoDispatch: UndoRedoDispatch;
    constructor(props: IEBoardCanvasProps);
    componentDidMount(): void;
    componentWillReceiveProps(nextProps: Readonly<IEBoardCanvasProps>, nextContext: IEBoardContext): void;
    shouldComponentUpdate(nextProps: Readonly<IEBoardCanvasProps>, nextState: Readonly<{}>, nextContext: any): boolean;
    componentDidUpdate(prevProps: Readonly<IEBoardCanvasProps>, prevState: Readonly<{}>, snapshot?: any): void;
    componentWillUnmount(): void;
    /**
     * 加载失败重试3次
     * @param initCount
     */
    private initImage;
    private init;
    private destroy;
    private clearListener;
    private pencilListener;
    private textListener;
    private lineListener;
    private arrowListener;
    private circleListener;
    private rectListener;
    private starListener;
    private triangleListener;
    private deleteListener;
    private transformListener;
    private feruleListener;
    private undoListener;
    private redoListener;
    private dispatchListener;
    private unDispatchListener;
    private layout;
    private getBrushContext;
    private initBrush;
    private clear;
    private initDispatch;
    render(): JSX.Element;
}
export { EBoardCanvas };