embedFromFile method
Embed a photo from a file using base-64 encoding @param {string} filename
Implementation
embedFromFile(String imageFileUri) async {
this.mediaType = path
.extension(imageFileUri)
.trim()
.toUpperCase()
.replaceFirst(RegExp(r'\./g'), '');
final fs = File(imageFileUri);
this.url = base64.encode(fs.readAsBytesSync());
this.isBase64 = true;
}