From 2db388f75becdc80a06ea4b6230fdebafed87b91 Mon Sep 17 00:00:00 2001
From: cxl <cxl@f0d560ea-af0d-0410-9eb7-867de7ffcac7>
Date: Thu, 30 Nov 2017 14:52:40 +0000
Subject: [PATCH] Core: HtmlColor now empty String if Color is Null

git-svn-id: svn://ultimatepp.org/upp/trunk@11507 f0d560ea-af0d-0410-9eb7-867de7ffcac7
---
 uppsrc/Core/Color.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/uppsrc/Core/Color.cpp b/uppsrc/Core/Color.cpp
index bac71fd4a..349aaa0ae 100644
--- a/uppsrc/Core/Color.cpp
+++ b/uppsrc/Core/Color.cpp
@@ -156,7 +156,7 @@ String AsString(const Color& c) {
 
 String ColorToHtml(Color color)
 {
-	return Format("#%02X%02X%02X",  color.GetR(), color.GetG(), color.GetB());
+	return IsNull(color) ? Null : Format("#%02X%02X%02X",  color.GetR(), color.GetG(), color.GetB());
 }
 
 static int sCharFilterNoDigit(int c)