From 911c12c6f152a968d2cd434d9b036e5c6bd10f13 Mon Sep 17 00:00:00 2001
From: Martin Boonk <martin@boonk.info>
Date: Sun, 11 Jun 2023 19:50:15 +0200
Subject: [PATCH] gpstrek - Move refresh code out of drawing method for compass

---
 apps/gpstrek/app.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/apps/gpstrek/app.js b/apps/gpstrek/app.js
index 0d62b5777..aeeb988b3 100644
--- a/apps/gpstrek/app.js
+++ b/apps/gpstrek/app.js
@@ -672,6 +672,9 @@ let getCompassSlice = function(){
   const buffers = 4;
   let buf = [];
   return {
+    refresh: function(){
+      return Math.abs(lastDrawnValue - compassDataSource.getCourse()) > SETTINGS.minCourseChange;
+    },
     draw: function (graphics, x,y,height,width){
       const max = 180;
       const increment=width/max;
@@ -680,7 +683,6 @@ let getCompassSlice = function(){
 
       let course = isGpsCourse() ? s.currentPos.course : getAveragedCompass();
 
-      if (Math.abs(lastDrawnValue - compassDataSource.getCourse()) < SETTINGS.minCourseChange) return;
       lastDrawnValue = course;
 
       graphics.clearRect(x,y,x+width,y+height);