David PHAM-VAN

Add doc-comment

@@ -27,6 +27,7 @@ import 'printer.dart'; @@ -27,6 +27,7 @@ import 'printer.dart';
27 import 'printing_info.dart'; 27 import 'printing_info.dart';
28 import 'raster.dart'; 28 import 'raster.dart';
29 29
  30 +/// Flutter pdf printing library
30 mixin Printing { 31 mixin Printing {
31 /// Prints a Pdf document to a local printer using the platform UI 32 /// Prints a Pdf document to a local printer using the platform UI
32 /// the Pdf document is re-built in a [LayoutCallback] each time the 33 /// the Pdf document is re-built in a [LayoutCallback] each time the