Default compress output if available

@@ -4,6 +4,7 @@
 * Add encryption support
 * Increase PDF version to 1.7
 * Add document signature support
+* Default compress output if available
 
 ## 1.3.13
 

@@ -4,7 +4,7 @@ import 'package:pdf/pdf.dart';
 import 'package:pdf/widgets.dart';
 
 void main() {
-  final Document pdf = Document(deflate: zlib.encode);
+  final Document pdf = Document();
 
   pdf.addPage(MultiPage(
       pageFormat:

@@ -26,6 +26,8 @@ import 'package:meta/meta.dart';
 import 'package:utf/utf.dart';
 import 'package:vector_math/vector_math_64.dart';
 
+import 'src/io.dart' if (dart.library.io) 'src/archive.dart';
+
 part 'src/annotation.dart';
 part 'src/array.dart';
 part 'src/ascii85.dart';

+import 'package:archive/archive.dart';
+
+import 'package:pdf/pdf.dart';
+
+DeflateCallback defaultDeflate =  ZLibEncoder().encode;

@@ -46,7 +46,11 @@ class PdfDocument {
   /// This creates a Pdf document
   /// @param pagemode an int, determines how the document will present itself to
   /// the viewer when it first opens.
-  PdfDocument({PdfPageMode pageMode = PdfPageMode.none, this.deflate}) {
+  PdfDocument({
+    PdfPageMode pageMode = PdfPageMode.none,
+    DeflateCallback deflate,
+    bool compress = true,
+  }) : deflate = compress ? (deflate ?? defaultDeflate) : null {
     _objser = 1;
 
     // Now create some standard objects

+import 'dart:io';
+
+import 'package:pdf/pdf.dart';
+
+DeflateCallback defaultDeflate = zlib.encode;

@@ -20,6 +20,7 @@ class Document {
   Document(
       {PdfPageMode pageMode = PdfPageMode.none,
       DeflateCallback deflate,
+      bool compress = true,
       this.theme,
       String title,
       String author,
@@ -27,7 +28,11 @@ class Document {
       String subject,
       String keywords,
       String producer})
-      : document = PdfDocument(pageMode: pageMode, deflate: deflate) {
+      : document = PdfDocument(
+          pageMode: pageMode,
+          deflate: deflate,
+          compress: compress,
+        ) {
     if (title != null ||
         author != null ||
         creator != null ||

@@ -14,6 +14,7 @@ dependencies:
   vector_math: "^2.0.0"
   utf: "^0.9.0"
   crypto: "^2.0.6"
+  archive: "^2.0.10"
 
 dev_dependencies:
   test: any

@@ -14,7 +14,7 @@ for documentation.
 Example:
 
 ```dart
-final pdf = PdfDoc();
+final pdf = Document();
 
 pdf.addPage(Page(
       pageFormat: PdfPageFormat.a4,

@@ -34,7 +34,7 @@ class MyApp extends StatelessWidget {
   }
 
   List<int> buildPdf(PdfPageFormat format) {
-    final PdfDoc doc = PdfDoc();
+    final Document doc = Document();
 
     doc.addPage(
       pdf.Page(

@@ -107,7 +107,7 @@ class Category extends StatelessWidget {
 }
 
 Future<Document> generateDocument(PdfPageFormat format) async {
-  final PdfDoc pdf = PdfDoc(title: 'My Résumé', author: 'David PHAM-VAN');
+  final Document pdf = Document(title: 'My Résumé', author: 'David PHAM-VAN');
 
   final PdfImage profileImage = await pdfImageFromImageProvider(
       pdf: pdf.document,

@@ -74,7 +74,7 @@ class MyAppState extends State<MyApp> {
     print('Print Screen ${im.width}x${im.height} ...');
 
     Printing.layoutPdf(onLayout: (PdfPageFormat format) {
-      final pdf.Document document = PdfDoc();
+      final pdf.Document document = pdf.Document();
 
       final PdfImage image = PdfImage(document.document,
           image: bytes.buffer.asUint8List(),

@@ -17,7 +17,6 @@
 library printing;
 
 import 'dart:async';
-import 'dart:io';
 import 'dart:typed_data';
 import 'dart:ui' as ui;
 

@@ -16,6 +16,7 @@
 
 part of printing;
 
+@deprecated
 class PdfDoc extends Document {
   /// Wrapper for a [Document] with zlib compression enabled by default
   PdfDoc(
@@ -29,7 +30,7 @@ class PdfDoc extends Document {
       String keywords,
       String producer})
       : super(
-          deflate: compress ? zlib.encode : null,
+          compress: compress,
           pageMode: pageMode,
           theme: theme,
           title: title,