import { Point } from '@antv/g-base';
import { Item, GraphAnimateConfig, FitViewRules } from '../../types';
import { IAbstractGraph } from '../../interface/graph';
export default class ViewController {
    private graph;
    destroyed: boolean;
    constructor(graph: IAbstractGraph);
    private getViewCenter;
    fitCenter(animate?: boolean, animateCfg?: GraphAnimateConfig): void;
    fitView(animate?: boolean, animateCfg?: GraphAnimateConfig): void;
    fitViewByRules(rules: FitViewRules, animate?: boolean, animateCfg?: GraphAnimateConfig): void;
    getFormatPadding(): number[];
    focusPoint(point: Point, animate?: boolean, animateCfg?: GraphAnimateConfig): void;
    /**
     * 将 Canvas 坐标转成视口坐标
     * @param canvasX canvas x 坐标
     * @param canvasY canvas y 坐标
     */
    getPointByCanvas(canvasX: number, canvasY: number): Point;
    /**
     * 将页面坐标转成视口坐标
     * @param clientX 页面 x 坐标
     * @param clientY 页面 y 坐标
     */
    getPointByClient(clientX: number, clientY: number): Point;
    /**
     * 将视口坐标转成页面坐标
     * @param x 视口 x 坐标
     * @param y 视口 y 坐标
     */
    getClientByPoint(x: number, y: number): Point;
    /**
     * 将视口坐标转成 Canvas 坐标
     * @param x 视口 x 坐标
     * @param y 视口 y 坐标
     */
    getCanvasByPoint(x: number, y: number): Point;
    /**
     * 将元素移动到画布中心
     * @param item Item 实例或 id
     * @param {boolean} animate 是否带有动画地移动
     * @param {GraphAnimateConfig} animateCfg 若带有动画，动画的配置项
     */
    focus(item: string | Item, animate?: boolean, animateCfg?: GraphAnimateConfig): void;
    /**
     * 改变 canvas 画布的宽度和高度
     * @param width canvas 宽度
     * @param height canvas 高度
     */
    changeSize(width: number, height: number): void;
    destroy(): void;
}