rebase onto flame-engine#69-dart-sdk

Author: benni-tec

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

@@ -2,7 +2,7 @@ part of tiled;
 
 /// Basic data class holding a Color in ARGB format.
 /// This can be converted to dart:ui's Color using the flame_tiled package
-class ColorData {
+class ColorData extends ExportValue<String> {
   static int _sub(int hex, int index) => (hex >> index * 8) & 0x000000ff;
 
   final int red;
@@ -22,4 +22,16 @@ class ColorData {
         assert(green >= 0 && green <= 255),
         assert(blue >= 0 && blue <= 255),
         assert(alpha >= 0 && alpha <= 255);
+
+  static String _hex(int value) {
+    return value.toRadixString(16).padLeft(2, '0');
+  }
+
+  String get export => '#${_hex(alpha)}${_hex(red)}${_hex(green)}${_hex(blue)}';
+
+  @override
+  String get json => export;
+
+  @override
+  String get xml => export;
 }

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

@@ -174,7 +174,7 @@ class ColorProperty extends Property<ColorData> {
   }) : super(type: PropertyType.color);
 
   @override
-  ExportValue get exportValue => value.toExport();
+  ExportValue get exportValue => value;
 }
 
 /// [value] is the string text

packages/tiled/lib/src/exporter/export_value.dart

@@ -49,29 +49,6 @@ extension ExportableBool on bool {
   ExportValue toExport() => _ExportableBool(this);
 }
 
-class _ExportableColor extends ExportValue<String> {
-  final Color color;
-
-  const _ExportableColor(this.color);
-
-  static String _hex(int value) {
-    return value.toRadixString(16).padLeft(2, '0');
-  }
-
-  String get export =>
-      '#${_hex(color.alpha)}${_hex(color.red)}${_hex(color.green)}${_hex(color.blue)}';
-
-  @override
-  String get json => export;
-
-  @override
-  String get xml => export;
-}
-
-extension ExportableColor on Color {
-  ExportValue toExport() => _ExportableColor(this);
-}
-
 class _ExportablePointList extends ExportValue<List<Map<String, double>>> {
   final List<Point> points;
 

packages/tiled/lib/src/layer.dart

@@ -502,8 +502,8 @@ class ObjectGroup extends Layer {
           'type': type.name.toExport(),
           'x': x.toExport(),
           'y': y.toExport(),
-          'color': color.toExport(),
-          'tintcolor': tintColor?.toExport(),
+          'color': color,
+          'tintcolor': tintColor,
           'opacity': opacity.toExport(),
           'visible': (visible ? 1 : 0).toExport(),
           'offsetx': offsetX.toExport(),
@@ -574,7 +574,7 @@ class ImageLayer extends Layer {
             'type': type.name.toExport(),
             'x': x.toExport(),
             'y': y.toExport(),
-            'tintcolor': tintColor?.toExport(),
+            'tintcolor': tintColor,
             'opacity': opacity.toExport(),
             'visible': (visible ? 1 : 0).toExport(),
             'offsetx': offsetX.toExport(),
@@ -623,7 +623,7 @@ class Group extends Layer {
           'name': name.toExport(),
           'class': class_?.toExport(),
           'type': type.name.toExport(),
-          'tintcolor': tintColor?.toExport(),
+          'tintcolor': tintColor,
           'opacity': opacity.toExport(),
           'visible': (visible ? 1 : 0).toExport(),
           'offsetx': offsetX.toExport(),

packages/tiled/lib/src/tiled_map.dart

@@ -380,7 +380,7 @@ class TiledMap with Exportable {
           'staggerindex': staggerIndex?.name.toExport(),
           // 'parallaxoriginx': , 'parallaxoriginy': , Not supplied by this class
 
-          'backgroundcolor': backgroundColor?.toExport(),
+          'backgroundcolor': backgroundColor,
           'nextlayerid': nextLayerId?.toExport(),
           'nextobjectid': nextObjectId?.toExport(),
           'infinite': infinite.toExport(),

packages/tiled/test/exporter/map.dart

@@ -1,6 +1,4 @@
-import 'dart:ui';
-
-import 'package:flutter_test/flutter_test.dart';
+import 'package:test/test.dart';
 import 'package:tiled/tiled.dart';
 import 'package:xml/xml.dart';
 
@@ -16,7 +14,7 @@ void main() {
         hexSideLength: 24,
         staggerAxis: StaggerAxis.y,
         staggerIndex: StaggerIndex.even,
-        backgroundColor: const Color(0xaa252627),
+        backgroundColor: Color.hex(0xaa252627),
         nextLayerId: 24,
         nextObjectId: 56,
         infinite: false,

packages/tiled/test/exporter/properties.dart

@@ -1,5 +1,5 @@
 import 'package:collection/collection.dart';
-import 'package:flutter_test/flutter_test.dart';
+import 'package:test/test.dart';
 import 'package:tiled/tiled.dart';
 import 'package:xml/xml.dart';
 

packages/tiled/test/exporter/xml.dart

@@ -1,4 +1,4 @@
-import 'package:flutter_test/flutter_test.dart';
+import 'package:test/test.dart';
 import 'package:xml/xml.dart';
 
 class XmlDeepMatcher extends Matcher {