Merge pull request #509 from ericszimmermann/ez_maps_high_contrast_PR

add High Contrast filter for maps

lib/models/app_settings.dart

@@ -76,8 +76,7 @@ class Cyr2LatProfile {
 
 class AppSettings {
   static const Object _unset = Object();
-  static const String stadiaDemo =
-      '51bd0381-4685-4666-bae8-48940f6d77c0';
+  static const String stadiaDemo = '51bd0381-4685-4666-bae8-48940f6d77c0';
 
   final bool clearPathOnMaxRetry;
   final bool mapShowRepeaters;
@@ -137,8 +136,7 @@ class AppSettings {
     return apiKey;
   }
 
-  bool get usesstadiaDemo =>
-      effectiveMapTileApiKey == stadiaDemo;
+  bool get usesstadiaDemo => effectiveMapTileApiKey == stadiaDemo;
 
   Map<String, String> get cyr2latCharMap {
     final profile = cyr2latProfiles.firstWhere(

lib/screens/channel_chat_screen.dart

@@ -1214,25 +1214,19 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
                           decoration: InputDecoration(
                             hintText: context.l10n.chat_typeMessage,
                             border: OutlineInputBorder(
-                              borderRadius: BorderRadius.circular(
-                                MeshRadii.md,
-                              ),
+                              borderRadius: BorderRadius.circular(MeshRadii.md),
                               borderSide: BorderSide(
                                 color: scheme.outlineVariant,
                               ),
                             ),
                             enabledBorder: OutlineInputBorder(
-                              borderRadius: BorderRadius.circular(
-                                MeshRadii.md,
-                              ),
+                              borderRadius: BorderRadius.circular(MeshRadii.md),
                               borderSide: BorderSide(
                                 color: scheme.outlineVariant,
                               ),
                             ),
                             focusedBorder: OutlineInputBorder(
-                              borderRadius: BorderRadius.circular(
-                                MeshRadii.md,
-                              ),
+                              borderRadius: BorderRadius.circular(MeshRadii.md),
                               borderSide: BorderSide(
                                 color: scheme.primary,
                                 width: 1.5,

lib/screens/channels_screen.dart

@@ -412,7 +412,8 @@ class _ChannelsScreenState extends State<ChannelsScreen>
     final messages = connector.getChannelMessages(channel);
     final lastMessage = messages.isNotEmpty ? messages.last : null;
     final lastMessageText = lastMessage?.text ?? '';
-    final lastPreview = lastMessageText.isNotEmpty &&
+    final lastPreview =
+        lastMessageText.isNotEmpty &&
             GifHelper.parseGif(lastMessageText) != null
         ? context.l10n.chat_receivedGif
         : lastMessageText;

lib/services/map_tile_cache_service.dart

@@ -12,12 +12,15 @@ enum MapRasterSourcePreset {
   osmAuto('osm_auto'),
   osmStandard('osm_standard'),
   osmDark('osm_dark'),
+  osmDarkHC('osm_darkHC'),
   stamenTerrain('stamen_terrain'),
   alidadeSmoothDark('alidade_smooth_dark'),
   outdoors('outdoors'),
   osmBright('osm_bright'),
   outdoorsDark('outdoors_dark'),
-  osmBrightDark('osm_bright_dark');
+  outdoorsDarkHC('outdoors_darkHC'),
+  osmBrightDark('osm_bright_dark'),
+  osmBrightDarkHC('osm_bright_darkHC');
 
   const MapRasterSourcePreset(this.id);
 
@@ -101,6 +104,12 @@ class MapRasterSourceCatalog {
     label: 'OpenStreetMap Dark',
     description: 'Standard OpenStreetMap tiles with an inverted dark filter',
   );
+  static const MapRasterSourceDefinition osmDarkHC = MapRasterSourceDefinition(
+    id: 'osm_darkHC',
+    label: 'OpenStreetMap Dark High Contrast',
+    description:
+        'Standard OpenStreetMap tiles with an inverted high contrast dark filter',
+  );
   static const MapRasterSourceDefinition stamenTerrain =
       MapRasterSourceDefinition(
         id: 'stamen_terrain',
@@ -139,6 +148,14 @@ class MapRasterSourceCatalog {
         isStadia: true,
         allowsBulkDownload: true,
       );
+  static const MapRasterSourceDefinition outdoorsDarkHC =
+      MapRasterSourceDefinition(
+        id: 'outdoors',
+        label: 'Outdoors Dark High Contrast',
+        description: 'High contrast dark version of the Outdoors map style',
+        isStadia: true,
+        allowsBulkDownload: true,
+      );
   static const MapRasterSourceDefinition osmBrightDark =
       MapRasterSourceDefinition(
         id: 'osm_bright',
@@ -147,6 +164,14 @@ class MapRasterSourceCatalog {
         isStadia: true,
         allowsBulkDownload: true,
       );
+  static const MapRasterSourceDefinition osmBrightDarkHC =
+      MapRasterSourceDefinition(
+        id: 'osm_bright',
+        label: 'OSM Bright Dark High Contrast',
+        description: 'High contrast dark version of the OSM Bright map style',
+        isStadia: true,
+        allowsBulkDownload: true,
+      );
 
   static MapRasterSourceDefinition fromPreset(MapRasterSourcePreset preset) {
     switch (preset) {
@@ -156,16 +181,22 @@ class MapRasterSourceCatalog {
         return osmStandard;
       case MapRasterSourcePreset.osmDark:
         return osmDark;
+      case MapRasterSourcePreset.osmDarkHC:
+        return osmDarkHC;
       case MapRasterSourcePreset.alidadeSmoothDark:
         return alidadeSmoothDark;
       case MapRasterSourcePreset.outdoors:
         return outdoors;
       case MapRasterSourcePreset.outdoorsDark:
         return outdoorsDark;
+      case MapRasterSourcePreset.outdoorsDarkHC:
+        return outdoorsDarkHC;
       case MapRasterSourcePreset.osmBright:
         return osmBright;
       case MapRasterSourcePreset.osmBrightDark:
         return osmBrightDark;
+      case MapRasterSourcePreset.osmBrightDarkHC:
+        return osmBrightDarkHC;
       case MapRasterSourcePreset.stamenTerrain:
         return stamenTerrain;
     }
@@ -335,8 +366,11 @@ class MapTileCacheService extends ChangeNotifier {
   ) {
     switch (MapRasterSourcePreset.fromId(settings.mapRasterSourceId)) {
       case MapRasterSourcePreset.osmDark:
+      case MapRasterSourcePreset.osmDarkHC:
       case MapRasterSourcePreset.outdoorsDark:
+      case MapRasterSourcePreset.outdoorsDarkHC:
       case MapRasterSourcePreset.osmBrightDark:
+      case MapRasterSourcePreset.osmBrightDarkHC:
         return true;
       case MapRasterSourcePreset.osmAuto:
         return brightness == Brightness.dark;
@@ -349,6 +383,25 @@ class MapTileCacheService extends ChangeNotifier {
     }
   }
 
+  static bool _isHighContrastDarkPreset(MapRasterSourcePreset preset) {
+    switch (preset) {
+      case MapRasterSourcePreset.osmDarkHC:
+      case MapRasterSourcePreset.outdoorsDarkHC:
+      case MapRasterSourcePreset.osmBrightDarkHC:
+        return true;
+      case MapRasterSourcePreset.osmAuto:
+      case MapRasterSourcePreset.osmStandard:
+      case MapRasterSourcePreset.osmDark:
+      case MapRasterSourcePreset.stamenTerrain:
+      case MapRasterSourcePreset.alidadeSmoothDark:
+      case MapRasterSourcePreset.outdoors:
+      case MapRasterSourcePreset.outdoorsDark:
+      case MapRasterSourcePreset.osmBright:
+      case MapRasterSourcePreset.osmBrightDark:
+        return false;
+    }
+  }
+
   static const ColorFilter _darkMapFilter = ColorFilter.matrix([
     -0.0850,
     -0.2861,
@@ -371,6 +424,28 @@ class MapTileCacheService extends ChangeNotifier {
     1,
     0,
   ]);
+  static const ColorFilter _darkHCMapFilter = ColorFilter.matrix([
+    0.7634200013,
+    -1.9008999332,
+    -0.1915199924,
+    0,
+    338.15,
+    -0.5665799987,
+    -0.5720999709,
+    -0.1915199924,
+    0,
+    338.15,
+    -0.5665799987,
+    -1.9008999332,
+    1.1384799335,
+    0,
+    338.15,
+    0,
+    0,
+    0,
+    1,
+    0,
+  ]);
 
   CacheManager get _concreteCacheManager => cacheManager as CacheManager;
 
@@ -393,7 +468,13 @@ class MapTileCacheService extends ChangeNotifier {
     );
 
     if (shouldApplyDarkFilter) {
-      layer = ColorFiltered(colorFilter: _darkMapFilter, child: layer);
+      final activePreset = MapRasterSourcePreset.fromId(
+        appSettingsService.settings.mapRasterSourceId,
+      );
+      final filter = _isHighContrastDarkPreset(activePreset)
+          ? _darkHCMapFilter
+          : _darkMapFilter;
+      layer = ColorFiltered(colorFilter: filter, child: layer);
     }
 
     if (opacity < 1) {

test/models/model_changes_test.dart

@@ -643,7 +643,6 @@ void main() {
         expect(contacts.first.path, equals(Uint8List.fromList([0x11, 0x22])));
       },
     );
-
   });
 
   group('AppSettingsService — gps interval fallback', () {

test/screens/path_trace_test.dart

@@ -22,7 +22,8 @@ class _FakeStorageService extends StorageService {
     ContactPathHistory history,
   ) async {}
   @override
-  Future<ContactPathHistory?> loadPathHistory(String contactPubKeyHex) async => null;
+  Future<ContactPathHistory?> loadPathHistory(String contactPubKeyHex) async =>
+      null;
   @override
   Future<void> clearPathHistory(String contactPubKeyHex) async {}
 }
@@ -71,13 +72,18 @@ Widget _buildTestApp({
   required MeshCoreConnector connector,
   required Widget child,
 }) {
+  final appSettingsService = AppSettingsService();
+
   return MultiProvider(
     providers: [
       ChangeNotifierProvider<MeshCoreConnector>.value(value: connector),
-      ChangeNotifierProvider<AppSettingsService>(
-        create: (_) => AppSettingsService(),
+      ChangeNotifierProvider<AppSettingsService>.value(
+        value: appSettingsService,
+      ),
+      ChangeNotifierProvider<MapTileCacheService>(
+        create: (_) =>
+            MapTileCacheService(appSettingsService: appSettingsService),
       ),
-      Provider<MapTileCacheService>(create: (_) => MapTileCacheService()),
       ChangeNotifierProvider<PathHistoryService>(
         create: (_) => PathHistoryService(_FakeStorageService()),
       ),