+ add missing *.cpp file

src/gamma_method.cpp

@@ -0,0 +1,42 @@
+/*****************************************************************************
+ * 
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2011 Artem Pavlenko
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *****************************************************************************/
+
+//$Id$
+
+// mapnik
+#include <mapnik/gamma_method.hpp>
+
+namespace mapnik
+{
+
+static const char * gamma_method_strings[] = {
+    "power", //agg::gamma_power
+    "linear", //agg::gamma_linear
+    "none", //agg::gamma_none
+    "threshold", //agg::gamma_threshold
+    "multiply", //agg::gamma_multiply",
+    ""
+};
+
+IMPLEMENT_ENUM( gamma_method_e, gamma_method_strings )
+
+}