import { EventEmitter } from '../../stencil-public-runtime';
import { Webcam } from '../../utils/webcam';
import { CamOrientation } from '../../utils/webcam.types';
import { CamMode } from '../camera-component/types';
declare enum ViewMode {
  /** Camera is active */
  camera = 0,
  /** Preview of the picture when it has already been taken */
  preview = 1
}
/**
 * Camera controller component
 */
export declare class CameraController {
  el: HTMLCameraControllerElement;
  /** Event emitted when snap */
  picture: EventEmitter;
  /** Event emitted when cam is stoped */
  webcamStop: EventEmitter;
  /** Event emitted when back button is pushed */
  backButton: EventEmitter<void>;
  /** If true, allows taking picture from gallery */
  allowGallery: boolean;
  /** If true, stops cam when back button is pushed */
  backButtonStopCam: boolean;
  /** If true, shows image preview when snap */
  showPreview: boolean;
  /** Video element width */
  width: number;
  /** Video element height */
  height: number;
  /** Selected camera
   * - user: front camera
   * - environtment: back camera
   */
  orientation: CamOrientation;
  /** Camera mode */
  camMode: CamMode;
  mode: ViewMode;
  webcam: Webcam;
  videoElm: HTMLVideoElement;
  imageInput: HTMLInputElement;
  snapshot: string;
  isCamStarted: boolean;
  componentDidRender(): void;
  startWebcam(): void;
  /**
   * Stop the webcam
   * Emits webcamStop event
   * @returns void
   */
  stopWebcam(): Promise<void>;
  /**
   * Switch between front and back cam
   * @returns void
   */
  flipCam(): Promise<void>;
  /**
   * Captures the picture
   * Emits picture event
   * @returns void
   */
  takePicture(): Promise<void>;
  /**
   * Change the video element size
   * @param width
   * @param height
   * @returns void
   */
  resize(width: number, height: number): Promise<void>;
  loadImage(): void;
  handleAcceptPicture(): void;
  handleRejectPicture(): void;
  handleBackButton(): void;
  handleTransformButton(): void;
  handleOpenGallery(): void;
  renderImage(): any;
  renderGalleryButton(): any;
  renderCamera(): any[];
  renderPreview(): any[];
  render(): any[];
}
export {};