import { Globe } from "../globe";
import { EquatorialCoord } from "@hscmap/angle";
export interface IClientCoord {
    clientX: number;
    clientY: number;
}
export declare class Canvas {
    private globe;
    readonly preserveBuffer: boolean;
    readonly domElement: HTMLCanvasElement;
    readonly gl: WebGLRenderingContext;
    constructor(globe: Globe, preserveBuffer?: boolean);
    release(): void;
    resize(retina: boolean): void;
    setSize(w: number, h: number): void;
    get aspectRatio(): number;
    coordFromClientCoord(e: IClientCoord): EquatorialCoord;
    xyzFromClientCoord(e: IClientCoord): import("../view/camera").V3;
    xyzFromOffset(x: number, y: number): import("../view/camera").V3;
    coordFromOffset(x: number, y: number): EquatorialCoord;
    private xyzFromNdc;
    private ndcFromClientCoord;
    private ndcFromOffset;
    get pixelData(): {
        width: number;
        height: number;
        buffer: ArrayBufferLike;
    };
}