support ios background color when removing alpha

phellowseven · Jan 18, 2023 · 397ca81 · 397ca81
1 parent 9a48d68
commit 397ca81
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Showing 6 changed files with 35 additions and 0 deletions.
diff --git a/lib/flutter_launcher_icons_config.dart b/lib/flutter_launcher_icons_config.dart
@@ -50,6 +50,10 @@ class FlutterLauncherIconsConfig {
   @JsonKey(name: 'remove_alpha_ios')
   final bool removeAlphaIOS;
 
+  /// IOS background_color_ios
+  @JsonKey(name: 'background_color_ios')
+  final String backgroundColorIOS;
+
   /// Web platform config
   @JsonKey(name: 'web')
   final WebConfig? webConfig;
@@ -73,6 +77,7 @@ class FlutterLauncherIconsConfig {
     this.adaptiveIconBackground,
     this.minSdkAndroid = constants.androidDefaultAndroidMinSDK,
     this.removeAlphaIOS = false,
+    this.backgroundColorIOS = '#ffffff',
     this.webConfig,
     this.windowsConfig,
     this.macOSConfig,

diff --git a/lib/flutter_launcher_icons_config.g.dart b/lib/flutter_launcher_icons_config.g.dart
diff --git a/lib/ios.dart b/lib/ios.dart
@@ -52,7 +52,17 @@ void createIcons(FlutterLauncherIconsConfig config, String? flavor) {
     return;
   }
   if (config.removeAlphaIOS) {
+    final backgroundColorHex = config.backgroundColorIOS.startsWith('#') ? config.backgroundColorIOS.substring(1) : config.backgroundColorIOS;
+    if (backgroundColorHex.length != 6) {
+      throw Exception('background_color_ios hex should be 6 characters long');
+    }
+    final backgroundByte = int.parse(backgroundColorHex, radix: 16);
+    final data = image.data;
+    for (var i = 0; i < data.length; i++) {
+      data[i] = alphaBlendColors(backgroundByte, data[i]);
+    }
     image.channels = Channels.rgb;
+
   }
   if (image.channels == Channels.rgba) {
     print(

diff --git a/test/abs/icon_generator_test.mocks.dart b/test/abs/icon_generator_test.mocks.dart
@@ -50,6 +50,11 @@ class MockFlutterLauncherIconsConfig extends _i1.Mock
         returnValue: false,
       ) as bool);
   @override
+  String get backgroundColorIOS => (super.noSuchMethod(
+        Invocation.getter(#backgroundColorIOS),
+        returnValue: '',
+      ) as String);
+  @override
   bool get hasAndroidAdaptiveConfig => (super.noSuchMethod(
         Invocation.getter(#hasAndroidAdaptiveConfig),
         returnValue: false,

diff --git a/test/macos/macos_icon_generator_test.mocks.dart b/test/macos/macos_icon_generator_test.mocks.dart
@@ -58,6 +58,12 @@ class MockFlutterLauncherIconsConfig extends _i1.Mock
         returnValueForMissingStub: false,
       ) as bool);
   @override
+  String get backgroundColorIOS => (super.noSuchMethod(
+        Invocation.getter(#backgroundColorIOS),
+        returnValue: '',
+        returnValueForMissingStub: '',
+      ) as String);
+  @override
   bool get hasAndroidAdaptiveConfig => (super.noSuchMethod(
         Invocation.getter(#hasAndroidAdaptiveConfig),
         returnValue: false,

diff --git a/test/windows/windows_icon_generator_test.mocks.dart b/test/windows/windows_icon_generator_test.mocks.dart
@@ -60,6 +60,11 @@ class MockFlutterLauncherIconsConfig extends _i1.Mock
         returnValue: false,
       ) as bool);
   @override
+  String get backgroundColorIOS => (super.noSuchMethod(
+        Invocation.getter(#backgroundColorIOS),
+        returnValue: '',
+      ) as String);
+  @override
   bool get hasAndroidAdaptiveConfig => (super.noSuchMethod(
         Invocation.getter(#hasAndroidAdaptiveConfig),
         returnValue: false,