align method
Selects the alignment of the text
The alignment can be either "left", "center", or "right"
Returns the corresponding ESC POS command
Implementation
ESCPOS align(String align) {
int num;
switch (align) {
case "center":
num = 1;
break;
case "right":
num = 2;
break;
case "left":
default:
num = 0;
break;
}
_data += Uint8List.fromList([27, 97, num]);
return this;
}