/// <reference types="node" />
import { GltfJsonImageInterface } from './GltfJson';
import { Image as CanvasImage } from 'canvas';
export interface ImageInterface {
    canvasImage: CanvasImage;
    height: number;
    maxValue: number;
    minValue: number;
    mimeType: string;
    name: string;
    usedForBaseColor: boolean;
    width: number;
    initFromBrowser(arrayBuffer: ArrayBuffer): Promise<void>;
    init(buffer: Buffer): Promise<void>;
    isPowerOfTwo(): boolean;
    isQuadratic(): boolean;
}
export declare class Image implements ImageInterface {
    canvasImage: CanvasImage;
    height: number;
    maxValue: number;
    minValue: number;
    mimeType: string;
    name: string;
    usedForBaseColor: boolean;
    width: number;
    constructor(imageJson: GltfJsonImageInterface);
    init: (buffer: string | Buffer) => Promise<void>;
    initFromBrowser: (arrayBuffer: ArrayBuffer) => Promise<void>;
    isPowerOfTwo(): boolean;
    isQuadratic(): boolean;
    private calculateColorValueMaxMin;
    private getDataUriFromArrayBuffer;
    private numberIsPowerOfTwo;
}