printBitmap method
Implementation
@override
Future<PrintResult> printBitmap(
String filePath, {
required int width,
required int height,
}) async {
final result = await methodChannel.invokeMethod<int>('printBitmap', {
'filePath': filePath,
'width': width,
'height': height,
}) ??
-1;
return convertIntToPrintResult(result);
}