From 0724e6842325e5436889baa56472d4d15c8adaf0 Mon Sep 17 00:00:00 2001
From: Matt Walsh <github@netbymatt.com>
Date: Mon, 14 Nov 2022 14:32:51 -0600
Subject: [PATCH] add willReadFrequently attribute to radar context

---
 server/scripts/modules/radar.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/scripts/modules/radar.js b/server/scripts/modules/radar.js
index 52b120f..a7700aa 100644
--- a/server/scripts/modules/radar.js
+++ b/server/scripts/modules/radar.js
@@ -170,7 +170,7 @@ class Radar extends WeatherDisplay {
 			const cropCanvas = document.createElement('canvas');
 			cropCanvas.width = 640;
 			cropCanvas.height = 367;
-			const cropContext = cropCanvas.getContext('2d');
+			const cropContext = cropCanvas.getContext('2d', { willReadFrequently: true });
 			cropContext.imageSmoothingEnabled = false;
 			cropContext.drawImage(workingCanvas, radarSourceX, radarSourceY, (radarOffsetX * 2), (radarOffsetY * 2.33), 0, 0, 640, 367);
 			// clean the image