add willReadFrequently attribute to radar context

This commit is contained in:
Matt Walsh 2022-11-14 14:32:51 -06:00
parent 20e0b1f1ac
commit 0724e68423

View file

@ -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