photoModalOutputResult(item: any) {

    let tempBlob = this.dataURItoBlob(item);
    let file = this.blobToFile(tempBlob, this.croppedFileName + ".png");
    this.modalService.close('user-photo-edit-modal');
    this.uploadPhoto(file);

  }

  public blobToFile(theBlob: Blob, fileName: string): File {
    var b: any = theBlob;
    b.lastModifiedDate = new Date();
    b.name = fileName;

    //Cast to a File() type
    return <File>theBlob;
  }


  protected dataURItoBlob(dataURI): Blob {
    // convert base64 to raw binary data held in a string
    // doesn't handle URLEncoded DataURIs - see SO answer #6850276 for code that does this
    var byteString = atob(dataURI.split(',')[1]);

    // separate out the mime component
    var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0]

    // write the bytes of the string to an ArrayBuffer
    var ab = new ArrayBuffer(byteString.length);
    var ia = new Uint8Array(ab);
    for (var i = 0; i < byteString.length; i++) {
      ia[i] = byteString.charCodeAt(i);
    }

    // write the ArrayBuffer to a blob, and you're done
    var bb = new Blob([ab], { type: 'application/pdf' });
    return bb;
  }