From 7d72fbe1c55051a83dabb72244ce140ca206cec2 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Wed, 19 Jul 2017 17:30:31 -0700
Subject: [PATCH] Add an RRect.isRect property (flutter/engine#3908)

---
 engine/src/flutter/lib/ui/geometry.dart | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/engine/src/flutter/lib/ui/geometry.dart b/engine/src/flutter/lib/ui/geometry.dart
index b0b5efee2d..506bad18e6 100644
--- a/engine/src/flutter/lib/ui/geometry.dart
+++ b/engine/src/flutter/lib/ui/geometry.dart
@@ -1149,6 +1149,15 @@ class RRect {
   /// Negative areas are considered empty.
   bool get isEmpty => left >= right || top >= bottom;
 
+  /// Whether this rounded rectangle is a simple rectangle with zero
+  /// corner radii.
+  bool get isRect {
+    return (tlRadiusX == 0.0 || tlRadiusY == 0.0) &&
+           (trRadiusX == 0.0 || trRadiusY == 0.0) &&
+           (blRadiusX == 0.0 || blRadiusY == 0.0) &&
+           (brRadiusX == 0.0 || brRadiusY == 0.0);
+  }
+
   /// Whether this rounded rectangle has a side with no straight section.
   bool get isStadium {
     return (