home1.ts

import { Component } from '@angular/core';
// 1
import { Platform } from 'ionic-angular';
// 2
import { DomSanitizer } from '@angular/platform-browser';
// 3
import { Camera, CameraOptions } from '@ionic-native/camera';

@Component({
  selector: 'page-home',
  templateUrl: 'home.html'
})
export class HomePage {
  // 4
  base64Image: string;

  // 5
  constructor(
    public platform: Platform,
    public camera: Camera,
    public domSanitizer: DomSanitizer) {
  }

  // 6
  takePicture() {
    // 7
    this.platform.ready().then(() => {
      // 8
      const options: CameraOptions = {
        destinationType: this.camera.DestinationType.DATA_URL,
        quality: 75
      };

      // 9
      this.camera.getPicture(options).then((imageData) => {
        // 10
        this.base64Image = 'data:image/jpeg;base64,' + imageData;
      }, (error) => {
        // 11
        console.log(error);
      });
    });
  }
}