lamp: draw-happy: blank the framebuffer first

diff --git a/draw-happy.lua b/draw-happy.lua
index bbadccef4627cfb04eaa3b724dabc41c201d35e7..8e4178704504142a2be97799d5b8c02a72fd83ca 100644 (file)
--- a/draw-happy.lua
+++ b/draw-happy.lua
@@ -8,5 +8,6 @@
 return function(t,fb,g,r,b)
   local c = string.char(g,r,b)
   local i,v
+  fb:fill(0,0,0)
   for i,v in ipairs({2,7,9,11,14,16,28,29}) do fb:set(v,c) end
 end