#impresion de imagen

lib/printer.dart

@@ -1,4 +1,3 @@
-import 'dart:io';
 import 'dart:async';
 import 'package:flutter/services.dart';
 
@@ -35,13 +34,13 @@ class Printer {
     return result;
   }
 
-  Future<dynamic> imprimirImagen(File imagen) async {
-    var result = await _channel.invokeMethod('printBitmap', {'bitmap': imagen.readAsBytesSync()});
+  Future<dynamic> imprimirImagen(List<int> imagen) async {
+    var result = await _channel.invokeMethod('printBitmap', {'bitmap': imagen});
     return result;
   }
 
-  Future<dynamic> imprimirImagen2(File imagen) async {
-    var result = await _channel.invokeMethod('printBitmap2', {'bitmap': imagen.readAsBytesSync()});
+  Future<dynamic> imprimirImagen2(List<int> imagen) async {
+    var result = await _channel.invokeMethod('printBitmap2', {'bitmap': imagen});
     return result;
   }
 }