Support spectrum analyzer visualization (need span-plugin)0.0.6

1 files changed, 3 insertions, 0 deletions

diff --git a/vfd.h b/vfd.h
index c572b89..a8ce8e7 100644
--- a/vfd.h
+++ b/vfd.h
@@ -90,6 +90,9 @@ public:
 
   void clear ();
   int DrawText(int x, int y, const char* string);
+  int Height() const;
+  int Width() const;
+  bool Rectangle(int x1, int y1, int x2, int y2, bool filled);
   bool flush (bool refreshAll = true);
 
   void icons(unsigned int state);