✨ Image reader filters

ci/version.info.txt

@@ -1,2 +1,3 @@
 v1.7.3
 - [x] ✨ 可以隐藏发电图标
+- [x] ✨ 可以给阅读器加灰度滤镜(设置项)(墨水屏下或许有用)

lib/basic/config/ImageFilter.dart

@@ -0,0 +1,108 @@
+import 'package:flutter/material.dart';
+
+import '../Common.dart';
+import '../Method.dart';
+
+const _propertyName = "imageFilter";
+late ImageFilter imageFilter;
+
+Widget processImageFilter(Widget child) => imageFilter.process(child);
+
+Future<void> initImageFilter() async {
+  imageFilter = _imageFilterFromString(await method.loadProperty(
+    _propertyName,
+    _filters[0].name,
+  ));
+}
+
+ImageFilter _imageFilterFromString(String string) {
+  for (var value in _filters) {
+    if (string == value.name) {
+      return value;
+    }
+  }
+  return _filters[0];
+}
+
+class ImageFilter {
+  final String name;
+  final Widget Function(Widget widget) process;
+
+  ImageFilter(this.name, this.process);
+}
+
+final List<ImageFilter> _filters = [
+  ImageFilter(
+    "正常",
+    (child) {
+      return child;
+    },
+  ),
+  ImageFilter(
+    "灰度",
+        (child) {
+      return ColorFiltered(
+        colorFilter: const ColorFilter.mode(Colors.grey, BlendMode.color),
+        child: child,
+      );
+    },
+  ),
+  ImageFilter(
+    "棕褐色",
+        (child) {
+      return ColorFiltered(
+        colorFilter: const ColorFilter.matrix(<double>[ 0.393, 0.769, 0.189, 0, 0, 0.349, 0.686, 0.168, 0, 0, 0.272, 0.534, 0.131, 0, 0, 0, 0, 0, 1, 0, ]),
+        child: child,
+      );
+    },
+  ),
+  ImageFilter(
+    "srgbToLinearGamma",
+        (child) {
+      return ColorFiltered(
+        colorFilter: const ColorFilter.srgbToLinearGamma(),
+        child: child,
+      );
+    },
+  ),
+  ImageFilter(
+    "linearToSrgbGamma",
+        (child) {
+      return ColorFiltered(
+        colorFilter: const ColorFilter.linearToSrgbGamma(),
+        child: child,
+      );
+    },
+  ),
+];
+
+Future<void> chooseImageFilter(BuildContext context) async {
+  Map<String, ImageFilter> map = {};
+  for (var element in _filters) {
+    map[element.name] = element;
+  }
+  ImageFilter? result = await chooseMapDialog<ImageFilter>(
+    context,
+    map,
+    "选择全屏UI",
+  );
+  if (result != null) {
+    await method.saveProperty(_propertyName, result.name);
+    imageFilter = result;
+  }
+}
+
+Widget imageFilterSetting() {
+  return StatefulBuilder(
+    builder: (BuildContext context, void Function(void Function()) setState) {
+      return ListTile(
+        title: const Text("阅读器滤镜"),
+        subtitle: Text(imageFilter.name),
+        onTap: () async {
+          await chooseImageFilter(context);
+          setState(() {});
+        },
+      );
+    },
+  );
+}

lib/screens/InitScreen.dart

@@ -16,6 +16,7 @@ import 'package:pikapika/basic/config/DownloadThreadCount.dart';
 import 'package:pikapika/basic/config/FullScreenAction.dart';
 import 'package:pikapika/basic/config/FullScreenUI.dart';
 import 'package:pikapika/basic/config/ImageAddress.dart';
+import 'package:pikapika/basic/config/ImageFilter.dart';
 import 'package:pikapika/basic/config/KeyboardController.dart';
 import 'package:pikapika/basic/config/NoAnimation.dart';
 import 'package:pikapika/basic/config/PagerAction.dart';
@@ -115,6 +116,7 @@ class _InitScreenState extends State<InitScreen> {
     await initDownloadCachePath();
     await initUseApiLoadImage();
     await initWebDav();
+    await initImageFilter();
 
     String? initUrl;
     if (Platform.isAndroid || Platform.isIOS) {

lib/screens/SettingsScreen.dart

@@ -35,6 +35,7 @@ import '../basic/config/Authentication.dart';
 import '../basic/config/CategoriesColumnCount.dart';
 import '../basic/config/DownloadCachePath.dart';
 import '../basic/config/HiddenFdIcon.dart';
+import '../basic/config/ImageFilter.dart';
 import '../basic/config/UsingRightClickPop.dart';
 import '../basic/config/WebDav.dart';
 import '../basic/config/WillPopNotice.dart';
@@ -159,6 +160,8 @@ class _SettingsScreenState extends State<SettingsScreen> {
         volumeControllerSetting(),
         keyboardControllerSetting(),
         const Divider(),
+        imageFilterSetting(),
+        const Divider(),
         const Padding(padding: EdgeInsets.only(top: 15)),
       ]),
       _IconAndWidgets(Icons.download, [

lib/screens/components/ImageReader.dart

@@ -14,6 +14,7 @@ import 'package:pikapika/basic/Method.dart';
 import 'package:pikapika/basic/config/Address.dart';
 import 'package:pikapika/basic/config/FullScreenAction.dart';
 import 'package:pikapika/basic/config/ImageAddress.dart';
+import 'package:pikapika/basic/config/ImageFilter.dart';
 import 'package:pikapika/basic/config/KeyboardController.dart';
 import 'package:pikapika/basic/config/NoAnimation.dart';
 import 'package:pikapika/basic/config/Quality.dart';
@@ -228,6 +229,8 @@ abstract class _ImageReaderContentState extends State<_ImageReaderContent> {
   // 阅读器
   Widget _buildViewer();
 
+  Widget _buildViewerProcess() => processImageFilter(_buildViewer());
+
   // 键盘, 音量键 等事件
   void _needJumpTo(int index, bool animation);
 
@@ -308,35 +311,35 @@ abstract class _ImageReaderContentState extends State<_ImageReaderContent> {
       case FullScreenAction.CONTROLLER:
         return Stack(
           children: [
-            _buildViewer(),
+            _buildViewerProcess(),
             _buildBar(_buildFullScreenControllerStackItem()),
           ],
         );
       case FullScreenAction.TOUCH_ONCE:
         return Stack(
           children: [
-            _buildTouchOnceControllerAction(_buildViewer()),
+            _buildTouchOnceControllerAction(_buildViewerProcess()),
             _buildBar(Container()),
           ],
         );
       case FullScreenAction.TOUCH_DOUBLE:
         return Stack(
           children: [
-            _buildTouchDoubleControllerAction(_buildViewer()),
+            _buildTouchDoubleControllerAction(_buildViewerProcess()),
             _buildBar(Container()),
           ],
         );
       case FullScreenAction.TOUCH_DOUBLE_ONCE_NEXT:
         return Stack(
           children: [
-            _buildTouchDoubleOnceNextControllerAction(_buildViewer()),
+            _buildTouchDoubleOnceNextControllerAction(_buildViewerProcess()),
             _buildBar(Container()),
           ],
         );
       case FullScreenAction.THREE_AREA:
         return Stack(
           children: [
-            _buildViewer(),
+            _buildViewerProcess(),
             _buildBar(_buildThreeAreaControllerAction()),
           ],
         );
@@ -934,13 +937,15 @@ class _SettingPanelState extends State<_SettingPanel> {
                 widget.onReloadEp();
               },
             ),
-            // _bottomIcon(
-            //   icon: Icons.file_download,
-            //   title: "下载本作",
-            //   onPressed: widget.onDownload,
-            // ),
           ],
         ),
+        // Row(children: [
+        //   _bottomIcon(
+        //     icon: Icons.file_download,
+        //     title: "下载本作",
+        //     onPressed: widget.onDownload,
+        //   ),
+        // ]),
       ],
     );
   }

pubspec.lock

@@ -133,10 +133,10 @@ packages:
     dependency: "direct main"
     description:
       name: file_picker
-      sha256: "0d923fb610d0abf67f2149c3a50ef85f78bebecfc4d645719ca70bcf4abc788f"
+      sha256: dd328189f2f4ccea042bb5b382d5e981691cc74b5a3429b9317bff2b19704489
       url: "https://pub.dev"
     source: hosted
-    version: "5.2.7"
+    version: "5.2.8"
   filesystem_picker:
     dependency: "direct main"
     description:
@@ -249,10 +249,10 @@ packages:
     dependency: "direct main"
     description:
       name: image_picker
-      sha256: cb25f04595a88450970dbe727243ba8cd21b6f7e0d7d1fc5b789fc6f52e95494
+      sha256: "8b0efbf350ba4f2be1531d629396a994983d0c02f4a82a128aed84d954b90cfa"
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.7+1"
+    version: "0.8.7+2"
   image_picker_android:
     dependency: transitive
     description:
@@ -590,10 +590,10 @@ packages:
     dependency: transitive
     description:
       name: url_launcher_macos
-      sha256: "0ef2b4f97942a16523e51256b799e9aa1843da6c60c55eefbfa9dbc2dcb8331a"
+      sha256: "91ee3e75ea9dadf38036200c5d3743518f4a5eb77a8d13fda1ee5764373f185e"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.4"
+    version: "3.0.5"
   url_launcher_platform_interface:
     dependency: transitive
     description: