expo-camera
Version:
A React component that renders a preview for the device's either front or back camera. Camera's parameters like zoom, auto focus, white balance and flash mode are adjustable. With expo-camera, one can also take photos and record videos that are saved to t
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TypeScript
import { PictureOptions } from './../Camera.types';
import { CameraType, ImageSize, ImageType } from './CameraModule.types';
interface ConstrainLongRange {
max?: number;
min?: number;
exact?: number;
ideal?: number;
}
export declare function getImageSize(videoWidth: number, videoHeight: number, scale: number): ImageSize;
export declare function toDataURL(canvas: HTMLCanvasElement, imageType: ImageType, quality: number): string;
export declare function hasValidConstraints(preferredCameraType?: CameraType, width?: number | ConstrainLongRange, height?: number | ConstrainLongRange): boolean;
export declare function captureImage(video: HTMLVideoElement, pictureOptions: PictureOptions): string;
export declare function getIdealConstraints(preferredCameraType: CameraType, width?: number | ConstrainLongRange, height?: number | ConstrainLongRange): MediaStreamConstraints;
export declare function getStreamDevice(preferredCameraType: CameraType, preferredWidth?: number | ConstrainLongRange, preferredHeight?: number | ConstrainLongRange): Promise<MediaStream>;
export declare function isWebKit(): boolean;
export {};