add willReadFrequently attribute to radar context
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@ -170,7 +170,7 @@ class Radar extends WeatherDisplay {
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const cropCanvas = document.createElement('canvas');
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cropCanvas.width = 640;
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cropCanvas.height = 367;
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const cropContext = cropCanvas.getContext('2d');
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const cropContext = cropCanvas.getContext('2d', { willReadFrequently: true });
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cropContext.imageSmoothingEnabled = false;
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cropContext.drawImage(workingCanvas, radarSourceX, radarSourceY, (radarOffsetX * 2), (radarOffsetY * 2.33), 0, 0, 640, 367);
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// clean the image
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