Update Image dependency

@@ -17,7 +17,7 @@ dependencies:
   url_launcher: ^6.0.6
 
 dev_dependencies:
-  flutter_launcher_icons: ^0.10.0
+  # flutter_launcher_icons: ^0.10.0
   flutter_lints: ^1.0.4
   flutter_test:
     sdk: flutter

 # Changelog
 
-## 3.8.5
+## 3.9.0
 
 - Improve TTF Writer compatibility
 - Apply THE BIDIRECTIONAL ALGORITHM using dart_bidi [Milad akarie]
 - Add Inseparable Widget
 - Fix unit tests
+- Update Image dependency
 
 ## 3.8.4
 

@@ -41,4 +41,5 @@ export 'src/pdf/obj/smask.dart';
 export 'src/pdf/obj/ttffont.dart';
 export 'src/pdf/page_format.dart';
 export 'src/pdf/point.dart';
+export 'src/pdf/raster.dart';
 export 'src/pdf/rect.dart';

@@ -21,6 +21,7 @@ import 'package:image/image.dart' as im;
 import '../data_types.dart';
 import '../document.dart';
 import '../exif.dart';
+import '../raster.dart';
 import 'xobject.dart';
 
 /// Represents the position of the first pixel in the data stream
@@ -152,12 +153,13 @@ class PdfImage extends PdfXObject {
     required im.Image image,
     PdfImageOrientation orientation = PdfImageOrientation.topLeft,
   }) {
+    final raster = PdfRasterBase.fromImage(image);
     return PdfImage(
       pdfDocument,
-      image: image.getBytes(format: im.Format.rgba),
-      width: image.width,
-      height: image.height,
-      alpha: image.channels == im.Channels.rgba,
+      image: raster.pixels,
+      width: raster.width,
+      height: raster.height,
+      alpha: raster.alpha,
       orientation: orientation,
     );
   }

+/*
+ * Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import 'dart:async';
+import 'dart:typed_data';
+
+import 'package:image/image.dart' as im;
+
+import 'color.dart';
+
+/// Represents a bitmap image
+class PdfRasterBase {
+  /// Create a bitmap image
+  const PdfRasterBase(
+    this.width,
+    this.height,
+    this.alpha,
+    this.pixels,
+  );
+
+  factory PdfRasterBase.fromImage(im.Image image) {
+    final data = image
+        .convert(format: im.Format.uint8, numChannels: 4, noAnimation: true)
+        .toUint8List();
+    return PdfRasterBase(image.width, image.height, true, data);
+  }
+
+  factory PdfRasterBase.fromPng(Uint8List png) {
+    final img = im.PngDecoder().decode(png)!;
+    return PdfRasterBase.fromImage(img);
+  }
+
+  static im.Image shadowRect(
+    double width,
+    double height,
+    double spreadRadius,
+    double blurRadius,
+    PdfColor color,
+  ) {
+    final shadow = im.Image(
+      width: (width + spreadRadius * 2).round(),
+      height: (height + spreadRadius * 2).round(),
+      format: im.Format.uint8,
+      numChannels: 4,
+    );
+
+    im.fillRect(
+      shadow,
+      x1: spreadRadius.round(),
+      y1: spreadRadius.round(),
+      x2: (spreadRadius + width).round(),
+      y2: (spreadRadius + height).round(),
+      color: im.ColorUint8(4)
+        ..r = color.red * 255
+        ..g = color.green * 255
+        ..b = color.blue * 255
+        ..a = color.alpha * 255,
+    );
+
+    return im.gaussianBlur(shadow, radius: blurRadius.round());
+  }
+
+  static im.Image shadowEllipse(
+    double width,
+    double height,
+    double spreadRadius,
+    double blurRadius,
+    PdfColor color,
+  ) {
+    final shadow = im.Image(
+      width: (width + spreadRadius * 2).round(),
+      height: (height + spreadRadius * 2).round(),
+      format: im.Format.uint8,
+      numChannels: 4,
+    );
+
+    im.fillCircle(
+      shadow,
+      x: (spreadRadius + width / 2).round(),
+      y: (spreadRadius + height / 2).round(),
+      radius: (width / 2).round(),
+      color: im.ColorUint8(4)
+        ..r = color.red * 255
+        ..g = color.green * 255
+        ..b = color.blue * 255
+        ..a = color.alpha * 255,
+    );
+
+    return im.gaussianBlur(shadow, radius: blurRadius.round());
+  }
+
+  /// The width of the image
+  final int width;
+
+  /// The height of the image
+  final int height;
+
+  /// The alpha channel is used
+  final bool alpha;
+
+  /// The raw RGBA pixels of the image
+  final Uint8List pixels;
+
+  @override
+  String toString() => 'Image ${width}x$height ${width * height * 4} bytes';
+
+  /// Convert to a PNG image
+  Future<Uint8List> toPng() async {
+    final img = asImage();
+    return im.PngEncoder().encode(img);
+  }
+
+  /// Returns the image as an [Image] object from the pub:image library
+  im.Image asImage() {
+    return im.Image.fromBytes(
+      width: width,
+      height: height,
+      bytes: pixels.buffer,
+      format: im.Format.uint8,
+      numChannels: 4,
+    );
+  }
+}

@@ -15,6 +15,7 @@
  */
 
 import 'dart:convert';
+import 'dart:typed_data';
 
 import 'package:image/image.dart' as im;
 import 'package:vector_math/vector_math_64.dart';
@@ -74,7 +75,7 @@ class SvgImg extends SvgOperation {
           final img = im.decodeImage(bytes)!;
           image = PdfImage(
             painter.document,
-            image: img.data.buffer.asUint8List(),
+            image: img.data?.buffer.asUint8List() ?? Uint8List(0),
             width: img.width,
             height: img.height,
           );

@@ -16,7 +16,6 @@
 
 import 'dart:math' as math;
 
-import 'package:image/image.dart' as im;
 import 'package:meta/meta.dart';
 import 'package:vector_math/vector_math_64.dart';
 
@@ -251,45 +250,6 @@ class BoxShadow {
   final PdfPoint offset;
   final double blurRadius;
   final double spreadRadius;
-
-  im.Image _rect(double width, double height) {
-    final shadow = im.Image(
-      (width + spreadRadius * 2).round(),
-      (height + spreadRadius * 2).round(),
-    );
-
-    im.fillRect(
-      shadow,
-      spreadRadius.round(),
-      spreadRadius.round(),
-      (spreadRadius + width).round(),
-      (spreadRadius + height).round(),
-      color.toInt(),
-    );
-
-    im.gaussianBlur(shadow, blurRadius.round());
-
-    return shadow;
-  }
-
-  im.Image _ellipse(double width, double height) {
-    final shadow = im.Image(
-      (width + spreadRadius * 2).round(),
-      (height + spreadRadius * 2).round(),
-    );
-
-    im.fillCircle(
-      shadow,
-      (spreadRadius + width / 2).round(),
-      (spreadRadius + height / 2).round(),
-      (width / 2).round(),
-      color.toInt(),
-    );
-
-    im.gaussianBlur(shadow, blurRadius.round());
-
-    return shadow;
-  }
 }
 
 enum BoxShape { circle, rectangle }
@@ -329,7 +289,8 @@ class BoxDecoration {
             if (borderRadius == null) {
               if (boxShadow != null) {
                 for (final s in boxShadow!) {
-                  final i = s._rect(box.width, box.height);
+                  final i = PdfRasterBase.shadowRect(box.width, box.height,
+                      s.spreadRadius, s.blurRadius, s.color);
                   final m = PdfImage.fromImage(context.document, image: i);
                   context.canvas.drawImage(
                     m,
@@ -342,7 +303,8 @@ class BoxDecoration {
             } else {
               if (boxShadow != null) {
                 for (final s in boxShadow!) {
-                  final i = s._rect(box.width, box.height);
+                  final i = PdfRasterBase.shadowRect(box.width, box.height,
+                      s.spreadRadius, s.blurRadius, s.color);
                   final m = PdfImage.fromImage(context.document, image: i);
                   context.canvas.drawImage(
                     m,
@@ -357,7 +319,8 @@ class BoxDecoration {
           case BoxShape.circle:
             if (boxShadow != null && box.width == box.height) {
               for (final s in boxShadow!) {
-                final i = s._ellipse(box.width, box.height);
+                final i = PdfRasterBase.shadowEllipse(box.width, box.height,
+                    s.spreadRadius, s.blurRadius, s.color);
                 final m = PdfImage.fromImage(context.document, image: i);
                 context.canvas.drawImage(
                   m,

@@ -187,6 +187,6 @@ class RawImage extends ImageImage {
     required int height,
     PdfImageOrientation? orientation,
     double? dpi,
-  }) : super(im.Image.fromBytes(width, height, bytes),
+  }) : super(PdfRasterBase(width, height, true, bytes).asImage(),
             orientation: orientation, dpi: dpi);
 }

@@ -3,7 +3,7 @@ description: A pdf producer for Dart. It can create pdf files for both web or fl
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/pdf
 repository: https://github.com/DavBfr/dart_pdf
 issue_tracker: https://github.com/DavBfr/dart_pdf/issues
-version: 3.8.5
+version: 3.9.0
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
@@ -11,9 +11,9 @@ environment:
 dependencies:
   archive: ^3.1.0
   barcode: ">=2.2.3 <3.0.0"
-  bidi:  ^2.0.2
+  bidi: ^2.0.2
   crypto: ^3.0.0
-  image: ">=3.0.1 <4.0.0"
+  image: ^4.0.0
   meta: ">=1.3.0 <2.0.0"
   path_parsing: ">=0.2.0 <2.0.0"
   vector_math: ^2.1.0

@@ -179,7 +179,7 @@ void main() {
     ));
   });
 
-  test('Container Widgets BoxShadow', () {
+  test('Container Widgets BoxShadow Rectangle', () {
     pdf.addPage(Page(
       build: (Context context) => Container(
         margin: const EdgeInsets.all(30),
@@ -200,6 +200,28 @@ void main() {
     ));
   });
 
+  test('Container Widgets BoxShadow Ellipse', () {
+    pdf.addPage(Page(
+      build: (Context context) => Container(
+        margin: const EdgeInsets.all(30),
+        padding: const EdgeInsets.all(20),
+        decoration: const BoxDecoration(
+          shape: BoxShape.circle,
+          boxShadow: <BoxShadow>[
+            BoxShadow(
+              blurRadius: 4,
+              spreadRadius: 10,
+              offset: PdfPoint(2, 2),
+            ),
+          ],
+          color: PdfColors.blue,
+        ),
+        width: 200,
+        height: 200,
+      ),
+    ));
+  });
+
   tearDownAll(() async {
     final file = File('widgets-container.pdf');
     await file.writeAsBytes(await pdf.save());

@@ -4,6 +4,7 @@
 
 - Remove deprecated Android embedding
 - Add custom pages builder to PdfPreview widget [Milad akarie]
+- Update Image dependency
 
 ## 5.9.3
 

@@ -24,7 +24,6 @@ import 'dart:ui';
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter_web_plugins/flutter_web_plugins.dart';
-import 'package:image/image.dart' as im;
 import 'package:pdf/pdf.dart';
 
 import 'src/callback.dart';
@@ -358,11 +357,7 @@ class _WebPdfRaster extends PdfRaster {
 
   @override
   Uint8List get pixels {
-    if (_pixels == null) {
-      final img = im.PngDecoder().decodeImage(png)!;
-      _pixels = img.data.buffer.asUint8List();
-    }
-
+    _pixels ??= PdfRasterBase.fromPng(png).pixels;
     return _pixels!;
   }
 

@@ -19,28 +19,16 @@ import 'dart:typed_data';
 import 'dart:ui' as ui;
 
 import 'package:flutter/painting.dart';
-import 'package:image/image.dart' as im;
+import 'package:pdf/pdf.dart';
 
 /// Represents a bitmap image
-class PdfRaster {
+class PdfRaster extends PdfRasterBase {
   /// Create a bitmap image
-  const PdfRaster(
-    this.width,
-    this.height,
-    this.pixels,
-  );
-
-  /// The width of the image
-  final int width;
-
-  /// The height of the image
-  final int height;
-
-  /// The raw RGBA pixels of the image
-  final Uint8List pixels;
-
-  @override
-  String toString() => 'Image ${width}x$height ${width * height * 4} bytes';
+  PdfRaster(
+    int width,
+    int height,
+    Uint8List pixels,
+  ) : super(width, height, true, pixels);
 
   /// Decode RGBA raw image to dart:ui Image
   Future<ui.Image> toImage() {
@@ -56,16 +44,12 @@ class PdfRaster {
   }
 
   /// Convert to a PNG image
+  @override
   Future<Uint8List> toPng() async {
     final image = await toImage();
     final data = await image.toByteData(format: ui.ImageByteFormat.png);
     return data!.buffer.asUint8List();
   }
-
-  /// Returns the image as an [Image] object from the pub:image library
-  im.Image asImage() {
-    return im.Image.fromBytes(width, height, pixels);
-  }
 }
 
 /// Image provider for a [PdfRaster]

@@ -19,10 +19,10 @@ dependencies:
   flutter_web_plugins:
     sdk: flutter
   http: ^0.13.0
-  image: ">=3.0.1 <4.0.0"
+  image: ^4.0.0
   js: ^0.6.3
   meta: ">=1.3.0 <2.0.0"
-  pdf: ^3.7.2
+  pdf: ^3.9.0
   plugin_platform_interface: ^2.0.0
 
 dev_dependencies: