feat(imageEditorTheme, customWidgets): completely rewrote logic for c…

…ustom widgets and add new "Frosted-Glass" design

BREAKING CHANGES:
- Removed hardcoded WhatsApp design.
- Rewritten entire logic of customWidgets.
- Moved `initialColor` and `initialStrokeWidth` from `paintEditorConfigs` to `imageEditorTheme/paintingEditor`.

Features:
- Added new design Frosted-Glass.
- WhatsApp theme is now fully editable.
- Smaller build size and minimal performance boost due to removal of hardcoded WhatsApp design.
- Simplified usage of customWidgets.
- Editor design is now more customizable.

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## Version 4.0.0
+#### **Breaking Changes:**
+- Remove hardcoded `WhatsApp-Design`.
+- Rewrite the entire logic of `customWidgets`.
+- Move `initialColor` and `initialStrokeWidth` from `paintEditorConfigs` to `imageEditorTheme-paintingEditor`.
+
+#### **feat:**
+- Add new design `Frosted-Glass`.
+- The `WhatsApp` theme is now fully editable.
+- Smaller build size and minimal performance boost because the Whatsapp design is no longer hardcoded.
+- Make it easier to use `customWidget`.
+- Editor design is now more customizable.
+
 ## Version 3.0.15
 - **feat(callbacks)**: Add to the main-editor callbacks `onTap`, `onDoubleTap` and `onLongPress` which was requested in [#104](https://github.com/hm21/pro_image_editor/issues/104).
 

example/lib/main.dart

@@ -1,4 +1,5 @@
 // Flutter imports:
+import 'package:example/pages/design_examples/design_example.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -17,15 +18,13 @@ import 'pages/custom_appbar_bottombar_example.dart';
 import 'pages/default_example.dart';
 import 'pages/generation_configs_example.dart';
 import 'pages/google_font_example.dart';
-import 'pages/highly_configurable_example.dart';
 import 'pages/image_format_convert_example.dart';
 import 'pages/movable_background_image.dart';
 import 'pages/reorder_layer_example.dart';
 import 'pages/round_cropper_example.dart';
 import 'pages/signature_drawing_example.dart';
 import 'pages/standalone_example.dart';
 import 'pages/stickers_example.dart';
-import 'pages/whatsapp_example.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -69,14 +68,13 @@ class _MyHomePageState extends State<MyHomePage> {
 
   final List<Widget> _examples = [
     const DefaultExample(),
-    const WhatsAppExample(),
+    const DesignExample(),
     const StandaloneExample(),
     const SignatureDrawingExample(),
     const StickersExample(),
     const FirebaseSupabaseExample(),
     const ReorderLayerExample(),
     const RoundCropperExample(),
-    const HighlyConfigurableExample(),
     const SelectableLayerExample(),
     const GenerationConfigsExample(),
     const PickImageExample(),