Emphasize artworks from following artists

lib/appdata.dart

@@ -37,6 +37,7 @@ class _Appdata {
     ],
     "showOriginalImage": false,
     "checkUpdate": true,
+    "emphasizeArtworksFromFollowingArtists": true,
   };
 
   bool lock = false;

lib/components/illust_widget.dart

@@ -1,4 +1,5 @@
 import 'package:fluent_ui/fluent_ui.dart';
+import 'package:pixes/appdata.dart';
 import 'package:pixes/components/animated_image.dart';
 import 'package:pixes/foundation/app.dart';
 import 'package:pixes/foundation/history.dart';
@@ -70,6 +71,15 @@ class _IllustWidgetState extends State<IllustWidget> {
                 child: Card(
                   padding: EdgeInsets.zero,
                   margin: EdgeInsets.zero,
+                  borderColor: () {
+                    return widget.illust.author.isFollowed &&
+                            appdata.settings[
+                                'emphasizeArtworksFromFollowingArtists']
+                        ? ColorScheme.of(context).primary
+                        : ColorScheme.of(context)
+                            .outlineVariant
+                            .withOpacity(0.64);
+                  }(),
                   child: GestureDetector(
                     onTap: widget.onTap ??
                         () {

lib/pages/settings_page.dart

@@ -273,6 +273,19 @@ class _SettingsPageState extends State<SettingsPage> {
                     });
                     appdata.writeData();
                   })),
+          buildItem(
+              title: "Emphasize artworks from following artists".tl,
+              subtitle: "The border of the artworks will be darker".tl,
+              action: ToggleSwitch(
+                  checked:
+                      appdata.settings['emphasizeArtworksFromFollowingArtists'],
+                  onChanged: (value) {
+                    setState(() {
+                      appdata.settings[
+                          'emphasizeArtworksFromFollowingArtists'] = value;
+                    });
+                    appdata.writeData();
+                  })),
         ],
       ),
     );