opt icons

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

lib/pages/setting/models/extra_settings.dart

@@ -1,5 +1,5 @@
 import 'dart:io';
-import 'dart:math' show pi, max;
+import 'dart:math' show max;
 
 import 'package:PiliPlus/common/widgets/custom_icon.dart';
 import 'package:PiliPlus/common/widgets/flutter/refresh_indicator.dart';
@@ -111,12 +111,9 @@ List<SettingsModel> get extraSettings => [
       onTap: _showDynDialog,
     ),
   ),
-  SwitchModel(
+  const SwitchModel(
     title: '显示视频分段信息',
-    leading: Transform.rotate(
-      angle: pi / 2,
-      child: const Icon(MdiIcons.viewHeadline),
-    ),
+    leading: Icon(CustomIcons.view_headline_rotate_90),
     setKey: SettingBoxKey.showViewPoints,
     defaultVal: true,
   ),
@@ -445,10 +442,7 @@ List<SettingsModel> get extraSettings => [
   ),
   SwitchModel(
     title: '侧滑关闭二级页面',
-    leading: Transform.rotate(
-      angle: pi * 1.5,
-      child: const Icon(Icons.touch_app),
-    ),
+    leading: const Icon(CustomIcons.touch_app_rotate_270),
     setKey: SettingBoxKey.slideDismissReplyPage,
     defaultVal: Platform.isIOS,
     onChanged: (value) => CommonSlideMixin.slideDismissReplyPage = value,

lib/pages/setting/pages/fullscreen_sc_size.dart

@@ -1,6 +1,7 @@
 import 'dart:io' show Platform;
 import 'dart:math' as math;
 
+import 'package:PiliPlus/common/widgets/custom_icon.dart';
 import 'package:PiliPlus/common/widgets/extra_hittest_stack.dart';
 import 'package:PiliPlus/models_new/live/live_superchat/item.dart';
 import 'package:PiliPlus/pages/live_room/superchat/superchat_card.dart';
@@ -113,13 +114,10 @@ class _FullScreenScSizeState extends State<FullScreenScSize> {
                       alpha: .8,
                     ),
                   ),
-                  child: Transform.rotate(
-                    angle: math.pi / 4,
-                    child: Icon(
-                      size: 18,
-                      Icons.open_in_full,
-                      color: _colorScheme.onSecondaryContainer,
-                    ),
+                  child: Icon(
+                    size: 18,
+                    CustomIcons.open_in_full_rotate_45,
+                    color: _colorScheme.onSecondaryContainer,
                   ),
                 ),
               ),