From 8a72060fadd7474039af0af357109d3f1a3b2895 Mon Sep 17 00:00:00 2001
From: Artem Pavlenko <artem@mapnik.org>
Date: Fri, 15 Sep 2006 08:19:03 +0000
Subject: [PATCH] added alpha to to_string method.  rgb ( R, B, G, A)

TODO: modify CSS color parser to accept alpha channel e.g
rgb (R,G,B,A)
#RRGGBBAA
#RGBA
---
 include/color.hpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/color.hpp b/include/color.hpp
index dda56cb69..b9f75b600 100644
--- a/include/color.hpp
+++ b/include/color.hpp
@@ -100,13 +100,18 @@ namespace mapnik {
         {
             return abgr_ == other.abgr_;
         }
-
+        
         inline std::string to_string() const
         {
             std::stringstream ss;
-            ss << "rgb (" << red() << ","  << green() << ","  << blue() <<")";
+            ss << "rgb (" 
+               << red()   << ","  
+               << green() << ","  
+               << blue()  << ","
+               << alpha() << ")";
             return ss.str();
         }
+        
         inline std::string to_hex_string() const
         {
             std::stringstream ss;