From d8d9d44db6c08c8fa1cbfd4f7aed67741d8bf6ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Szymon=20Kowali=C5=84ski?= <szymon@kowalinski.dev>
Date: Sat, 3 Aug 2024 17:10:37 +0200
Subject: [PATCH] fix(map): normalize markers size

---
 lib/config/map_view_config.dart               |  6 +-
 .../map_view/utils/map_marker_utils.dart      | 60 ++++++++-----------
 2 files changed, 30 insertions(+), 36 deletions(-)

diff --git a/lib/config/map_view_config.dart b/lib/config/map_view_config.dart
index ab6d24b7..573e8959 100644
--- a/lib/config/map_view_config.dart
+++ b/lib/config/map_view_config.dart
@@ -36,8 +36,10 @@ abstract class MapWidgetConfig {
   );
   static const mapType = MapType.normal;
 
-  static const mapMarkerOriginWidth = 28;
-  static const activeMapMarkerOriginWidth = 40;
+  static const mapMarkerWidth = 22.0;
+  static const mapMarkerHeight = 34.0;
+  static const activeMapMarkerWidth = 38.0;
+  static const activeMapMarkerHeight = 58.0;
 }
 
 abstract class BuildingSearchConfig {
diff --git a/lib/features/map_view/utils/map_marker_utils.dart b/lib/features/map_view/utils/map_marker_utils.dart
index 1c546f86..e15e1914 100644
--- a/lib/features/map_view/utils/map_marker_utils.dart
+++ b/lib/features/map_view/utils/map_marker_utils.dart
@@ -1,7 +1,4 @@
-import "dart:ui" as ui;
-
 import "package:flutter/foundation.dart";
-import "package:flutter/services.dart";
 import "package:flutter/widgets.dart";
 import "package:google_maps_flutter/google_maps_flutter.dart";
 
@@ -15,47 +12,42 @@ class MapMarkerUtils {
   static late final BitmapDescriptor activeParkingMapMarker;
 
   static Future<void> loadMapMarkerAssets(BuildContext context) async {
-    final pixelRatio =
-        kIsWeb ? 1 : MediaQuery.devicePixelRatioOf(context).toInt();
-
-    buildingMapMarker = await _AssetScaledLoader.loadScaledBitmapDescriptor(
+    final configuration = context.mapMarkerConfiguration;
+    final activeMarkerConfig = context.activeMapMarkerConfiguration;
+    buildingMapMarker = await BitmapDescriptor.asset(
+      configuration,
       Assets.mapMarkers.mapMarker.path,
-      width: MapWidgetConfig.mapMarkerOriginWidth * pixelRatio,
     );
-
-    activeBuildingMapMarker =
-        await _AssetScaledLoader.loadScaledBitmapDescriptor(
+    activeBuildingMapMarker = await BitmapDescriptor.asset(
+      activeMarkerConfig,
       Assets.mapMarkers.activeMapMarker.path,
-      width: MapWidgetConfig.activeMapMarkerOriginWidth * pixelRatio,
     );
-    parkingMapMarker = await _AssetScaledLoader.loadScaledBitmapDescriptor(
+    parkingMapMarker = await BitmapDescriptor.asset(
+      configuration,
       Assets.mapMarkers.parkingMapMarker.path,
-      width: MapWidgetConfig.mapMarkerOriginWidth * pixelRatio,
     );
-    activeParkingMapMarker =
-        await _AssetScaledLoader.loadScaledBitmapDescriptor(
+    activeParkingMapMarker = await BitmapDescriptor.asset(
+      activeMarkerConfig,
       Assets.mapMarkers.activeParkingMapMarker.path,
-      width: MapWidgetConfig.activeMapMarkerOriginWidth * pixelRatio,
     );
   }
 }
 
-class _AssetScaledLoader {
-  static Future<BitmapDescriptor> loadScaledBitmapDescriptor(
-    String assetName, {
-    required int width,
-  }) async {
-    try {
-      final data = await rootBundle.load(assetName);
-      final codec = await ui.instantiateImageCodec(
-        data.buffer.asUint8List(),
-        targetWidth: width,
+extension _ImageConfigurationX on BuildContext {
+  double get pixelRatio => kIsWeb ? 1.0 : MediaQuery.devicePixelRatioOf(this);
+
+  ImageConfiguration get mapMarkerConfiguration => ImageConfiguration(
+        devicePixelRatio: pixelRatio,
+        size: const Size(
+          MapWidgetConfig.mapMarkerWidth,
+          MapWidgetConfig.mapMarkerHeight,
+        ),
+      );
+  ImageConfiguration get activeMapMarkerConfiguration => ImageConfiguration(
+        devicePixelRatio: pixelRatio,
+        size: const Size(
+          MapWidgetConfig.activeMapMarkerWidth,
+          MapWidgetConfig.activeMapMarkerHeight,
+        ),
       );
-      final fi = await codec.getNextFrame();
-      final decode = await fi.image.toByteData(format: ui.ImageByteFormat.png);
-      return BitmapDescriptor.bytes(decode!.buffer.asUint8List());
-    } on Exception {
-      return BitmapDescriptor.defaultMarker; // fallback
-    }
-  }
 }