ColorMap uses the right types

include/gepetto/gui/color-map.hh

@@ -4,6 +4,8 @@
 #include <QColor>
 #include <QDebug>
 
+#include <gepetto/viewer/config-osg.h>
+
 namespace gepetto {
   namespace gui {
     class ColorMap {
@@ -29,7 +31,7 @@ namespace gepetto {
           return ColorMap::interpolate(mask_, remap (index));
         }
 
-        void getColor (std::size_t index, float color[4]) const {
+        void getColor (std::size_t index, osgVector4 color) const {
           QColor c = getColor(index);
           color[0] = (float)c.redF();
           color[1] = (float)c.greenF();