From 659570396c683a39bd6d9aa8cdd5636667bd7494 Mon Sep 17 00:00:00 2001
From: Adam Barth <abarth@chromium.org>
Date: Mon, 20 Jun 2016 20:20:02 -0700
Subject: [PATCH] Add operator== to ColorFilter

Fixes #69
---
 flutter/lib/ui/painting.dart | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/flutter/lib/ui/painting.dart b/flutter/lib/ui/painting.dart
index daf524b6faf30..22c335a1185df 100644
--- a/flutter/lib/ui/painting.dart
+++ b/flutter/lib/ui/painting.dart
@@ -846,6 +846,21 @@ class ColorFilter {
 
   final Color _color;
   final TransferMode _transferMode;
+
+  @override
+  bool operator ==(dynamic other) {
+    if (other is! ColorFilter)
+      return false;
+    final ColorFilter typedOther = other;
+    return _color == typedOther._color &&
+           _transferMode == typedOther._transferMode;
+  }
+
+  @override
+  int get hashCode => hashValues(_color, _transferMode);
+
+  @override
+  String toString() => "ColorFilter($_color, $TransferMode)";
 }
 
 /// A filter operation to apply to a raster image.