Improve verbose output

@@ -6,6 +6,7 @@
 - Deprecate PdfArrayObject and PdfObjectDict
 - Deprecate PdfArrayObject and PdfObjectDict
 - Improve PdfArray and PdfDict constructors
 - Improve PdfArray and PdfDict constructors
 - Fix underline on spans [RomanIvn]
 - Fix underline on spans [RomanIvn]
+- Improve verbose output
 
 
 ## 3.10.1
 ## 3.10.1
 
 

@@ -28,7 +28,7 @@ abstract class PdfDataType {
 
 
   void output(PdfObjectBase o, PdfStream s, [int? indent]);
   void output(PdfObjectBase o, PdfStream s, [int? indent]);
 
 
-  PdfStream _toStream() {
+  PdfStream _toStream([int? indent]) {
     final s = PdfStream();
     final s = PdfStream();
     output(
     output(
       PdfObjectBase(
       PdfObjectBase(
@@ -36,13 +36,15 @@ abstract class PdfDataType {
         params: this,
         params: this,
         settings: const PdfSettings(),
         settings: const PdfSettings(),
       ),
       ),
-        s);
+      s,
+      indent,
+    );
     return s;
     return s;
   }
   }
 
 
   @override
   @override
-  String toString() {
-    return String.fromCharCodes(_toStream().output());
+  String toString([int? indent]) {
+    return String.fromCharCodes(_toStream(indent).output());
   }
   }
 
 
   @visibleForTesting
   @visibleForTesting

@@ -84,7 +84,7 @@ class PdfXref extends PdfIndirect {
   }
   }
 
 
   @override
   @override
-  String toString() => '$ser $gen obj ${type.name} $offset';
+  String toString([int? indent]) => '$ser $gen obj ${type.name} $offset';
 
 
   @override
   @override
   int get hashCode => offset;
   int get hashCode => offset;

@@ -30,6 +30,7 @@ export 'pdf/format/stream.dart';
 export 'pdf/format/string.dart';
 export 'pdf/format/string.dart';
 export 'pdf/format/xref.dart';
 export 'pdf/format/xref.dart';
 export 'pdf/obj/catalog.dart';
 export 'pdf/obj/catalog.dart';
+export 'pdf/obj/graphic_stream.dart';
 export 'pdf/obj/object.dart';
 export 'pdf/obj/object.dart';
 export 'pdf/obj/object_stream.dart';
 export 'pdf/obj/object_stream.dart';
 export 'pdf/obj/page_list.dart';
 export 'pdf/obj/page_list.dart';