From df64dd3a73115ea3f633927172d79ae8c28908ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Wies=C5=82aw=20=C5=A0olt=C3=A9s?= <wieslaw.soltes@gmail.com>
Date: Mon, 10 Feb 2020 21:34:44 +0100
Subject: [PATCH] Enable checking if PatternUnits or PatternContentUnits was
 actually set

---
 Source/Painting/SvgPatternServer.cs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Source/Painting/SvgPatternServer.cs b/Source/Painting/SvgPatternServer.cs
index da9629845..4b9a6da40 100644
--- a/Source/Painting/SvgPatternServer.cs
+++ b/Source/Painting/SvgPatternServer.cs
@@ -140,6 +140,24 @@ private Matrix EffectivePatternTransform
             }
         }
 
+        /// <summary>
+        /// Check if <see cref="PatternUnits"/> property value was set.
+        /// </summary>
+        /// <returns>True if <see cref="PatternUnits"/> has value.</returns>
+        public bool HasPatternUnits()
+        {
+            return _patternUnits.HasValue;
+        }
+
+        /// <summary>
+        /// Check if <see cref="PatternContentUnits"/> property value was set.
+        /// </summary>
+        /// <returns>True if <see cref="PatternContentUnits"/> has value.</returns>
+        public bool HasPatternContentUnits()
+        {
+            return _patternContentUnits.HasValue;
+        }
+
         /// <summary>
         /// Gets a <see cref="Brush"/> representing the current paint server.
         /// </summary>