feat: subtitle stroke

Closes #446

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/video/detail/widgets/header_control.dart

@@ -1042,6 +1042,7 @@ class _HeaderControlState extends State<HeaderControl> {
     int subtitlePaddingH = widget.controller.subtitlePaddingH;
     int subtitlePaddingB = widget.controller.subtitlePaddingB;
     double subtitleBgOpaticy = widget.controller.subtitleBgOpaticy;
+    double subtitleStrokeWidth = widget.controller.subtitleStrokeWidth;
 
     final sliderTheme = SliderThemeData(
       trackShape: MSliderTrackShape(),
@@ -1057,6 +1058,15 @@ class _HeaderControlState extends State<HeaderControl> {
       padding: isFullScreen ? 70 : null,
       child: StatefulBuilder(
         builder: (_, setState) {
+          void updateStrokeWidth(double val) {
+            subtitleStrokeWidth = val;
+            widget.controller
+              ..subtitleStrokeWidth = subtitleStrokeWidth
+              ..updateSubtitleStyle()
+              ..putDanmakuSettings();
+            setState(() {});
+          }
+
           void updateOpacity(double val) {
             subtitleBgOpaticy = val;
             widget.controller
@@ -1178,6 +1188,32 @@ class _HeaderControlState extends State<HeaderControl> {
                         ),
                       ),
                     ),
+                    Row(
+                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                      children: [
+                        Text('描边粗细 $subtitleStrokeWidth'),
+                        resetBtn(1.5, () => updateStrokeWidth(1.5)),
+                      ],
+                    ),
+                    Padding(
+                      padding: const EdgeInsets.only(
+                        top: 0,
+                        bottom: 6,
+                        left: 10,
+                        right: 10,
+                      ),
+                      child: SliderTheme(
+                        data: sliderTheme,
+                        child: Slider(
+                          min: 0,
+                          max: 3,
+                          value: subtitleStrokeWidth,
+                          divisions: 6,
+                          label: '$subtitleStrokeWidth',
+                          onChanged: updateStrokeWidth,
+                        ),
+                      ),
+                    ),
                     Row(
                       mainAxisAlignment: MainAxisAlignment.spaceBetween,
                       children: [

lib/plugin/pl_player/controller.dart

@@ -290,6 +290,7 @@ class PlPlayerController {
   late int subtitlePaddingB = GStorage.subtitlePaddingB;
   late double subtitleBgOpaticy = GStorage.subtitleBgOpaticy;
   late bool showVipDanmaku = GStorage.showVipDanmaku;
+  late double subtitleStrokeWidth = GStorage.subtitleStrokeWidth;
 
   // 播放顺序相关
   PlayRepeat playRepeat = PlayRepeat.pause;
@@ -313,7 +314,8 @@ class PlPlayerController {
           right: subtitlePaddingH.toDouble(),
           bottom: subtitlePaddingB.toDouble(),
         ),
-        textScaleFactor: MediaQuery.textScalerOf(Get.context!).scale(1),
+        textScaleFactor: 1,
+        strokeWidth: subtitleBgOpaticy == 0 ? subtitleStrokeWidth : null,
       );
 
   GlobalKey<VideoState> Function()? getPlayerKey;
@@ -1533,6 +1535,7 @@ class PlPlayerController {
     setting.put(SettingBoxKey.subtitlePaddingH, subtitlePaddingH);
     setting.put(SettingBoxKey.subtitlePaddingB, subtitlePaddingB);
     setting.put(SettingBoxKey.subtitleBgOpaticy, subtitleBgOpaticy);
+    setting.put(SettingBoxKey.subtitleStrokeWidth, subtitleStrokeWidth);
   }
 
   Future<void> dispose({String type = 'single'}) async {

lib/utils/storage.dart

@@ -307,6 +307,9 @@ class GStorage {
   static double get subtitleBgOpaticy =>
       setting.get(SettingBoxKey.subtitleBgOpaticy, defaultValue: 0.67);
 
+  static double get subtitleStrokeWidth =>
+      setting.get(SettingBoxKey.subtitleStrokeWidth, defaultValue: 1.5);
+
   static bool get badCertificateCallback =>
       setting.get(SettingBoxKey.badCertificateCallback, defaultValue: false);
 
@@ -630,6 +633,7 @@ class SettingBoxKey {
       subtitlePaddingH = 'subtitlePaddingH',
       subtitlePaddingB = 'subtitlePaddingB',
       subtitleBgOpaticy = 'subtitleBgOpaticy',
+      subtitleStrokeWidth = 'subtitleStrokeWidth',
       badCertificateCallback = 'badCertificateCallback',
       continuePlayingPart = 'continuePlayingPart',
       cdnSpeedTest = 'cdnSpeedTest',