fix: (flutter) pass ThermionFlutterOptions to ThermionWidget, use dpr for resizeTexture, delete unnecessary TransparencyPainter class

thermion_flutter/thermion_flutter/lib/thermion/widgets/thermion_widget.dart

@@ -3,14 +3,18 @@ import 'dart:math';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:thermion_flutter/thermion/widgets/thermion_widget_web.dart';
+import 'package:thermion_flutter/thermion/widgets/transparent_filament_widget.dart';
+import 'package:thermion_flutter_platform_interface/thermion_flutter_platform_interface.dart';
 import 'dart:async';
 
 import 'package:thermion_flutter_platform_interface/thermion_flutter_texture.dart';
 import 'package:thermion_flutter/thermion_flutter.dart';
+import 'package:thermion_flutter_web/thermion_flutter_web_options.dart';
 import 'resize_observer.dart';
 
 class ThermionWidget extends StatefulWidget {
   final ThermionViewer viewer;
+  final ThermionFlutterOptions? options;
 
   ///
   /// The content to render before the texture widget is available.
@@ -18,7 +22,8 @@ class ThermionWidget extends StatefulWidget {
   ///
   final Widget? initial;
 
-  const ThermionWidget({Key? key, this.initial, required this.viewer})
+  const ThermionWidget(
+      {Key? key, this.initial, required this.viewer, this.options})
       : super(key: key);
 
   @override
@@ -43,7 +48,7 @@ class _ThermionWidgetState extends State<ThermionWidget> {
         }
       });
       var dpr = MediaQuery.of(context).devicePixelRatio;
-      
+
       var size = ((context.findRenderObject()) as RenderBox).size;
       _texture = await ThermionFlutterPlugin.createTexture(
           size.width, size.height, 0, 0, dpr);
@@ -60,7 +65,7 @@ class _ThermionWidgetState extends State<ThermionWidget> {
 
   Future _resizeTexture(Size newSize) async {
     _resizeTimer?.cancel();
-    _resizeTimer = Timer(Duration(milliseconds: 500), () async {
+    _resizeTimer = Timer(const Duration(milliseconds: 500), () async {
       if (_resizing || !mounted) {
         return;
       }
@@ -74,8 +79,8 @@ class _ThermionWidgetState extends State<ThermionWidget> {
 
       var dpr = MediaQuery.of(context).devicePixelRatio;
 
-      _texture = await ThermionFlutterPlugin.resizeTexture(oldTexture!,
-          (dpr * newSize.width).ceil(), (dpr * newSize.height).ceil(), 0, 0);
+      _texture = await ThermionFlutterPlugin.resizeTexture(
+          oldTexture!, newSize.width.ceil(), newSize.height.ceil(), 0, 0, dpr);
       setState(() {});
       _resizing = false;
     });
@@ -88,7 +93,9 @@ class _ThermionWidgetState extends State<ThermionWidget> {
         return widget.initial ?? Container(color: Colors.red);
       }
       return ResizeObserver(
-          onResized: _resizeTexture, child: ThermionWidgetWeb());
+          onResized: _resizeTexture,
+          child: ThermionWidgetWeb(
+              options: widget.options! as ThermionFlutterWebOptions));
     }
 
     if (_texture?.usesBackingWindow == true) {
@@ -127,18 +134,3 @@ class _ThermionWidgetState extends State<ThermionWidget> {
         ]));
   }
 }
-
-class TransparencyPainter extends CustomPainter {
-  @override
-  void paint(Canvas canvas, Size size) {
-    canvas.drawRect(
-      Rect.fromLTWH(0, 0, size.width, size.height),
-      Paint()
-        ..blendMode = BlendMode.clear
-        ..color = const Color(0x00000000),
-    );
-  }
-
-  @override
-  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
-}