import { ScreenBounds } from "../common/screen-bounds";
import { ScreenXY } from "../common/screen-xy";
import { PointSymbol } from "./symbol";
export declare abstract class AnimatePointSymbol extends PointSymbol {
    /**
     * 绘制点（虚函数）
     * @param {CanvasRenderingContext2D} ctx - 绘图上下文
     * @param {number} screenX - 屏幕坐标X
     * @param {number} screenY - 屏幕坐标Y
     */
    abstract draw(ctx: CanvasRenderingContext2D, screenXY: ScreenXY): any;
    /**
     * 动画效果
     * @remarks
     * 通过Animator中requestAnimationFrame循环调用，因此注意优化代码，保持帧数
     * @param {number} elapsed - 已逝去的时间，毫秒
     * @param {CanvasRenderingContext2D} ctx - 绘图上下文
     */
    abstract animate(timestamp: number): any;
    abstract getScreenBounds(screenXY: ScreenXY): any;
}
export declare class SimpleAnimatePointSymbol extends AnimatePointSymbol {
    /**
     * 边宽
     */
    lineWidth: number;
    /**
     * 颜色
     */
    color: string;
    /**
     * 扩散速度
     */
    velocity: number;
    /**
     * 扩散的最大半径
     */
    limit: number;
    /**
     * 扩散的光圈数
     */
    ring: number;
    _screenXY: ScreenXY;
    _ctx: CanvasRenderingContext2D;
    _start: number;
    _frame: number;
    draw(ctx: CanvasRenderingContext2D, screenXY: ScreenXY): void;
    getScreenBounds(screenXY: ScreenXY): ScreenBounds;
    /**
     * 动画效果
     * @remarks
     * 通过Animator中requestAnimationFrame循环调用，因此注意优化代码，保持帧数
     * @param {number} elapsed - 已逝去的时间，毫秒
     * @param {CanvasRenderingContext2D} ctx - 绘图上下文
     */
    animate(timestamp: number): void;
}