From 364bf189e8bdbd003d719778e7eec8d4ffe650e9 Mon Sep 17 00:00:00 2001
From: Nader Jawad <njawad@google.com>
Date: Wed, 29 May 2019 18:53:11 -0700
Subject: [PATCH] Fixed issue where negative angles were not parsed properly

Added logic to wrap negative angle measures provided
for linear gradients to be between 0 and 360

Test: Added cts test to GradientDrawableTest
Bug: 132650579
Change-Id: Iefde8bfc4b043dbe9dc57247f48077587fb03f6e
---
 graphics/java/android/graphics/drawable/GradientDrawable.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/graphics/java/android/graphics/drawable/GradientDrawable.java b/graphics/java/android/graphics/drawable/GradientDrawable.java
index 32f2fc22acadd..b9945cc735d8c 100644
--- a/graphics/java/android/graphics/drawable/GradientDrawable.java
+++ b/graphics/java/android/graphics/drawable/GradientDrawable.java
@@ -1757,7 +1757,7 @@ public class GradientDrawable extends Drawable {
         }
 
         int angle = (int) a.getFloat(R.styleable.GradientDrawableGradient_angle, st.mAngle);
-        st.mAngle = angle % 360;
+        st.mAngle = ((angle % 360) + 360) % 360; // offset negative angle measures
 
         final TypedValue tv = a.peekValue(R.styleable.GradientDrawableGradient_gradientRadius);
         if (tv != null) {