Restore layer names.

src/fmri/LayerVisualisation.hpp

@@ -3,6 +3,7 @@
 #include <vector>
 #include "utils.hpp"
 #include "Drawable.hpp"
+#include "LayerInfo.hpp"
 
 namespace fmri
 {
@@ -20,14 +21,15 @@ namespace fmri
         virtual ~LayerVisualisation() = default;
 
         virtual const std::vector<float>& nodePositions() const;
-
-    protected:
-        float getAlpha() override;
+        void drawLayerName() const;
+        void setupLayerName(std::string_view name, LayerInfo::Type type);
 
     protected:
         std::vector<float> nodePositions_;
+        std::string displayName;
 
         template<Ordering Order>
         void initNodePositions(size_t n, float spacing);
+        float getAlpha() override;
     };
 }