Function getCachedOledImage

app.js:3452–3464

(src)

const _oledTextCtx = _oledTextCanvas.getContext("2d", { willReadFrequently: true });

function getCachedOledImage(src) {
  const key = String(src || "");
  if (!key) return null;
  if (_oledImageCache.has(key)) return _oledImageCache.get(key);
  const img = new Image();
  img.crossOrigin = "anonymous";
  img.onload = () => {
    try { renderElements(); } catch (_) {}
  };
  img.src = key;
  _oledImageCache.set(key, img);
  return img;
}

function drawOledIconAlphaMask(ctx, src, x, y, w, h, color) {
  const img = getCachedOledImage(src);