removed need for flutter sdk (dart:ui)

--> replaced dart:ui Color with color_model package
--> custom Rect instead of dart:ui
--> replaced flutter_test with test package

Author: benni-tec

packages/tiled/lib/src/common/color.dart

@@ -0,0 +1,9 @@
+import 'package:color_models/color_models.dart';
+
+const _mask = 0xff;
+int _sub(int hex, int index) => (hex & (_mask << index * 8)) >> index * 8;
+
+class Color extends RgbColor {
+  /// Format: aarrggbb
+  Color(int hex) : super(_sub(hex, 2), _sub(hex, 1), _sub(hex, 0), _sub(hex, 3));
+}

packages/tiled/lib/src/common/property.dart

@@ -37,7 +37,7 @@ class Property<T> {
       case PropertyType.color:
         return ColorProperty(
           name: name,
-          value: parser.getColor('value', defaults: const Color(0x00000000)),
+          value: parser.getColor('value', defaults: Color(0x00000000)),
           hexValue: parser.getString('value', defaults: '#00000000'),
         );
 
@@ -156,7 +156,7 @@ class ObjectProperty extends Property<int> {
 }
 
 /// [value] is the color
-class ColorProperty extends Property<Color> {
+class ColorProperty extends Property<ColorModel> {
   final String hexValue;
 
   ColorProperty({

packages/tiled/lib/src/common/rect.dart

@@ -0,0 +1,17 @@
+class Rect {
+  final double x;
+  final double y;
+  final double width;
+  final double height;
+
+  Rect.fromLTWH(this.x, this.y, this.width, this.height);
+
+  @override
+  bool operator ==(Object other) {
+    if (other is! Rect) return false;
+    return x == other.x && y == other.y && width == other.width && height == other.height;
+  }
+
+  @override
+  int get hashCode => Object.hash(x, y, width, height);
+}

packages/tiled/lib/src/layer.dart

@@ -81,7 +81,7 @@ abstract class Layer {
   /// child layers (optional).
   ///
   /// Parsed from [tintColorHex], will be null if parsing fails for any reason.
-  Color? tintColor;
+  ColorModel? tintColor;
 
   /// The opacity of the layer as a value from 0 to 1. Defaults to 1.
   double opacity;
@@ -420,7 +420,7 @@ class TileLayer extends Layer {
 }
 
 class ObjectGroup extends Layer {
-  static const defaultColor = Color.fromARGB(255, 160, 160, 164);
+  static const defaultColor = RgbColor(160, 160, 164, 255);
   static const defaultColorHex = '%a0a0a4';
 
   /// topdown (default) or index (indexOrder).
@@ -438,7 +438,7 @@ class ObjectGroup extends Layer {
   ///
   /// Parsed from [colorHex], will be fallback to [defaultColor] if parsing
   /// fails for any reason.
-  Color color;
+  ColorModel color;
 
   ObjectGroup({
     super.id,
@@ -478,7 +478,7 @@ class ImageLayer extends Layer {
   ///
   /// Parsed from [transparentColorHex], will be null if parsing fails for any
   /// reason.
-  Color? transparentColor;
+  ColorModel? transparentColor;
 
   /// Whether or not to repeat the image on the X-axis
   bool repeatX;

packages/tiled/lib/src/parser.dart

@@ -197,7 +197,7 @@ abstract class Parser {
     return result;
   }
 
-  Color? getColorOrNull(String name, {Color? defaults}) {
+  ColorModel? getColorOrNull(String name, {ColorModel? defaults}) {
     final tiledColor = getStringOrNull(name);
 
     // Tiled colors are stored as either ARGB or RGB hex values, so we can
@@ -218,7 +218,7 @@ abstract class Parser {
     }
   }
 
-  Color getColor(String name, {Color? defaults}) {
+  ColorModel getColor(String name, {ColorModel? defaults}) {
     final result = getColorOrNull(name, defaults: defaults);
     if (result == null) {
       throw ParsingException(name, null, 'Missing required color field');

packages/tiled/lib/src/tiled_map.dart

@@ -79,7 +79,7 @@ class TiledMap {
   ///
   /// Parsed from [backgroundColorHex], will be null if parsing fails for any
   /// reason.
-  Color? backgroundColor;
+  ColorModel? backgroundColor;
 
   int compressionLevel;
 

packages/tiled/lib/tiled.dart

@@ -4,11 +4,13 @@ import 'dart:collection';
 import 'dart:convert';
 import 'dart:math' show Rectangle;
 import 'dart:typed_data';
-import 'dart:ui';
 
 import 'package:archive/archive.dart';
 import 'package:collection/collection.dart';
+import 'package:color_models/color_models.dart';
 import 'package:meta/meta.dart';
+import 'package:tiled/src/common/color.dart';
+import 'package:tiled/src/common/rect.dart';
 import 'package:xml/xml.dart';
 
 part 'src/chunk.dart';

packages/tiled/pubspec.yaml

@@ -8,13 +8,10 @@ environment:
 dependencies:
   archive: ^3.3.0
   collection: ^1.16.0
-  flutter:
-    sdk: flutter
   meta: ^1.7.0
   xml: ^6.1.0
+  color_models: ^1.3.3
 
 dev_dependencies:
   dartdoc: ^6.0.1
-  flame_lint: ^0.2.0
-  flutter_test:
-    sdk: flutter
+  test: ^1.24.8

packages/tiled/test/complexmap_infinite_test.dart

@@ -1,6 +1,6 @@
 import 'dart:io';
 
-import 'package:flutter_test/flutter_test.dart';
+import 'package:test/test.dart';
 import 'package:tiled/tiled.dart';
 
 void main() {

packages/tiled/test/image_layer_test.dart

@@ -1,7 +1,7 @@
 import 'dart:io';
 
-import 'package:flutter_test/flutter_test.dart';
 import 'package:tiled/tiled.dart';
+import 'package:test/test.dart';
 
 void main() {
   late TiledMap map;