import Component, { ComponentEvent } from "@egjs/component";
import { mat4 } from "gl-matrix";
import { PROJECTION_TYPE, STEREO_FORMAT } from "../PanoViewer/consts";
import { CubemapConfig, ImageCandidate, ValueOf, VideoCandidate } from "../types/internal";
import YawPitchControl from "../YawPitchControl/YawPitchControl";
import Renderer from "./renderer/Renderer";
declare const EVENTS: {
    BIND_TEXTURE: "bindTexture";
    IMAGE_LOADED: "imageLoaded";
    ERROR: "error";
    RENDERING_CONTEXT_LOST: "renderingContextLost";
    RENDERING_CONTEXT_RESTORE: "renderingContextRestore";
};
declare class PanoImageRenderer extends Component<{
    [EVENTS.ERROR]: {
        type: number;
        message: string;
    };
    [EVENTS.IMAGE_LOADED]: {
        content: HTMLElement;
        isVideo: boolean;
        projectionType: ValueOf<typeof PROJECTION_TYPE>;
    };
    [EVENTS.BIND_TEXTURE]: ComponentEvent;
    [EVENTS.RENDERING_CONTEXT_LOST]: ComponentEvent;
    [EVENTS.RENDERING_CONTEXT_RESTORE]: ComponentEvent;
}> {
    static EVENTS: {
        BIND_TEXTURE: "bindTexture";
        IMAGE_LOADED: "imageLoaded";
        ERROR: "error";
        RENDERING_CONTEXT_LOST: "renderingContextLost";
        RENDERING_CONTEXT_RESTORE: "renderingContextRestore";
    };
    static ERROR_TYPE: {
        INVALID_DEVICE: number;
        NO_WEBGL: number;
        FAIL_IMAGE_LOAD: number;
        RENDERER_ERROR: number;
    };
    sphericalConfig: {
        initialYaw: number;
        initialPitch: number;
        fieldOfView: number;
        imageType: ValueOf<typeof PROJECTION_TYPE>;
        stereoFormat: ValueOf<typeof STEREO_FORMAT>;
        cubemapConfig: Partial<CubemapConfig>;
    };
    fieldOfView: number;
    width: number;
    height: number;
    canvas: HTMLCanvasElement;
    context: WebGLRenderingContext;
    shaderProgram: WebGLProgram | null;
    texture: WebGLTexture;
    pMatrix: mat4;
    mvMatrix: mat4;
    textureCoordBuffer: WebGLBuffer | null;
    vertexBuffer: WebGLBuffer | null;
    indexBuffer: WebGLBuffer | null;
    private _wrapper;
    private _wrapperOrigStyle;
    private _lastQuaternion;
    private _lastYaw;
    private _lastPitch;
    private _lastFieldOfView;
    private _renderingContextAttributes?;
    private _renderer;
    private _contentLoader;
    private _image;
    private _imageConfig;
    private _imageType;
    private _imageIsReady;
    private _isVideo;
    private _isCubeMap;
    private _shouldForceDraw;
    private _keepUpdate;
    private _hasExternalCanvas;
    private _yawPitchControl;
    private _animator;
    private _vr;
    constructor(image: ImageCandidate | VideoCandidate, width: number, height: number, isVideo: boolean, container: HTMLElement, canvasClass: string, sphericalConfig: PanoImageRenderer["sphericalConfig"], renderingContextAttributes?: WebGLContextAttributes);
    setYawPitchControl(yawPitchControl: YawPitchControl): void;
    getContent(): HTMLImageElement | HTMLVideoElement | HTMLImageElement[];
    setImage({ image, imageType, isVideo, cubemapConfig }: {
        image: ImageCandidate | VideoCandidate;
        imageType: PanoImageRenderer["_imageType"];
        isVideo: boolean;
        cubemapConfig: Partial<CubemapConfig>;
    }): void;
    isImageLoaded(): boolean;
    bindTexture(): any;
    attachTo(parentElement: any): void;
    forceContextLoss(): void;
    detach(): void;
    destroy(): void;
    hasRenderingContext(): boolean;
    updateFieldOfView(fieldOfView: any): void;
    updateViewportDimensions(width: any, height: any): void;
    keepUpdate(doUpdate: any): void;
    startRender(): void;
    stopRender(): void;
    renderWithQuaternion(quaternion: any, fieldOfView: any): void;
    renderWithYawPitch(yaw: any, pitch: any, fieldOfView: any): void;
    getProjectionRenderer(): Renderer;
    enterVR(options: any): any;
    exitVR: () => void;
    private _setImageType;
    private _initCanvas;
    private _createCanvas;
    private _setDefaultCanvasStyle;
    private _onContentError;
    private _triggerContentLoad;
    private _onContentLoad;
    private _initShaderProgram;
    private _onWebglcontextlost;
    private _onWebglcontextrestored;
    private _updateViewport;
    private _initWebGL;
    private _initRenderingContext;
    private _initBuffers;
    private _bindTexture;
    private _updateTexture;
    private _render;
    private _renderStereo;
    private _bindBuffers;
    private _draw;
    private _requestPresent;
    private _onFirstVRFrame;
    private _setWrapperFullscreen;
    private _restoreStyle;
}
export default PanoImageRenderer;