From 52013da098633eaed1c6c15b56adff0ae5ba5ff6 Mon Sep 17 00:00:00 2001
From: Peter Feerick <peter.feerick@gmail.com>
Date: Mon, 15 Nov 2021 22:45:01 +1000
Subject: [PATCH] Clear buffer before drawing background image Fixes #1058 ,
 prevents alternating garbage drawn every cycle

---
 radio/src/gui/colorlcd/themes/480_default.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/radio/src/gui/colorlcd/themes/480_default.cpp b/radio/src/gui/colorlcd/themes/480_default.cpp
index cf29f0c44..af28673d4 100644
--- a/radio/src/gui/colorlcd/themes/480_default.cpp
+++ b/radio/src/gui/colorlcd/themes/480_default.cpp
@@ -301,6 +301,7 @@ class Theme480: public OpenTxTheme
     void drawBackground(BitmapBuffer * dc) const override
     {
       if (backgroundBitmap) {
+        dc->clear(COLOR_THEME_SECONDARY3);
         dc->drawBitmap(0 - dc->getOffsetX(), 0 - dc->getOffsetY(), backgroundBitmap);
       }
       else {