feat(camera): add plugin for Android and iOS

plugins/camera/guest-js/index.ts

@@ -0,0 +1,50 @@
+// Copyright 2019-2022 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+import { invoke } from '@tauri-apps/api/tauri'
+
+export enum Source {
+  Prompt = 'PROMPT',
+  Camera = 'CAMERA',
+  Photos = 'PHOTOS'
+}
+
+export enum ResultType {
+  Uri = 'uri',
+  Base64 = 'base64',
+  DataUrl = 'dataUrl'
+}
+
+export enum CameraDirection {
+  Rear = 'REAR',
+  Front = 'FRONT'
+}
+
+export interface ImageOptions {
+  quality?: number
+  allowEditing?: boolean
+  resultType?: ResultType
+  saveToGallery?: boolean
+  width?: number
+  height?: number
+  correctOrientation?: boolean
+  source?: Source
+  direction?: CameraDirection
+  presentationStyle?: 'fullscreen' | 'popover'
+  promptLabelHeader?: string
+  promptLabelCancel?: string
+  promptLabelPhoto?: string
+  promptLabelPicture?: string
+}
+
+export interface Image {
+  data: string
+  assetUrl?: string
+  format: string
+  saved: boolean
+  exif: unknown
+}
+
+export async function getPhoto(options?: ImageOptions): Promise<Image> {
+  return await invoke('plugin:camera|getPhoto', { ...options })
+}