import { LatLngBounds } from "../common/latlng-bounds";
import { PlaneBounds } from "../common/plane-bounds";
import { ScreenBounds } from "../common/screen-bounds";
import { ScreenXY } from "../common/screen-xy";
import { CRS } from "../crs/crs";
/**
 * 栅格
 */
export declare abstract class Raster {
    private _canvas;
    /**
     * 动态栅格（实时渲染）
     */
    get dynamic(): boolean;
    /**
     * 画布存放Image
     */
    get canvas(): HTMLCanvasElement;
    /**
     * 栅格经纬度边界
     */
    get bounds(): LatLngBounds;
    /**
      * 坐标系
      */
    protected _crs: CRS;
    /**
     * 包络矩形
     */
    protected _latlngBounds: LatLngBounds;
    protected _planeBounds: PlaneBounds;
    protected _screenBounds: ScreenBounds;
    /**
     * 包络矩形
     */
    get latlngBounds(): LatLngBounds;
    get planeBounds(): PlaneBounds;
    get screenBounds(): ScreenBounds;
    /**
      * 设置坐标系并投影
      */
    set crs(value: CRS);
    /**
     * 创建栅格
     * @remarks
     * 遍历图形集合进行绘制
     * @param {number} xmin - 经度左值
     * @param {number} ymin - 纬度下值
     * @param {number} xmax - 经度右值
     * @param {number} ymax - 纬度上值
     * @param {number} width - 栅格宽度
     * @param {number} height - 栅格高度
     * @param {number} cellsize - 栅格大小
     */
    constructor(xmin: any, ymin: any, xmax: any, ymax: any, width?: number, height?: number);
    /**
     * 投影变换虚函数
     * @param {Projection} projection - 坐标投影转换
     */
    abstract project(): any;
    /**
     * 数据变换
     * @param {ScreenXY} origin - 窗口坐标原点
     * @param {number} zoom - 当前缩放级别
     */
    abstract transform(origin: ScreenXY, zoom: number): any;
    /**
     * 绘制栅格
     * @remarks
     * 遍历图形集合进行绘制
     * @param {CanvasRenderingContext2D} ctx - 绘图上下文
     */
    abstract draw(ctx: CanvasRenderingContext2D): any;
}