import { vec3 } from "gl-matrix";
import { SceneContext } from "../Context/SceneContext";
import { Element } from "../Model/Element";
import { CameraInfo } from "../Model/CameraInfo";
/**
 * 视图交互相关操作，移动缩放
 */
export declare class ViewManager {
    private _sc;
    constructor(sc: SceneContext);
    /** 旋转 */
    rotate(xdeg: number, zdeg: number): void;
    /** 自适应视图 */
    zoom_view(theta: number, phi: number): void;
    /** 移动视图 */
    move(x: number, y: number): void;
    /** 设置场景移动 */
    set_move_3d(mv: vec3): void;
    /** 缩放 */
    scale(factor: number): void;
    /** 缩放 */
    zoom_to(element: Element | Element[]): void;
    private _zoomToElement;
    private _zoomToElements;
    /**
     * 视图动画
     * @deprecated
     */
    animation(rotate: {
        theta: number;
        phi: number;
    } | null, move: vec3 | null, scale: number | null, stepCount?: number): void;
    /**
     * 视图动画
     */
    animation_by_time(rotate: {
        theta: number;
        phi: number;
    } | null, move: vec3 | null, scale: number | null, time?: number): void;
    /**
     * 获取相机信息
     */
    get_camera_info(): CameraInfo;
    /**
     * 设置相机信息
     * 请先调用get_camera_info，然后修改想改数据
     */
    set_camera_info(info: CameraInfo): void;
}