added converter from/to qtcolor to/from vcg::color4b

wrap/qt/col_qt_convert.h

@@ -0,0 +1,26 @@
+#ifndef COL_QT_CONVERT_H_
+#define COL_QT_CONVERT_H_
+
+#include <QColor>
+#include "../../vcg/space/color4.h"
+
+namespace vcg
+{
+	class ColorConverter
+	{
+	public:
+		template<typename T>
+		static vcg::Color4<T> convertQColorToColor4(const QColor& col)
+		{
+			return vcg::Color4<T>(T(col.red()),T(col.green()),T(col.blue()),T(col.alpha()));
+		}
+
+		template<typename T>
+		static QColor convertColor4ToQColor(const vcg::Color4<T>& col)
+		{
+			return QColor(int(col.X()),int(col.Y()),int(col.Z()),int(col.W()));
+		}
+	};
+}
+
+#endif