message: Update src/gui/canvas-utils.ts
diff: @@ -25,6 +25,9 @@ export function getCanvasDevicePixelRatio(canvas: HTMLCanvasElement): number {
  export function getContext2D(canvas: HTMLCanvasElement): CanvasRenderingContext2D {
  const ctx = ensureNotNull(canvas.getContext('2d'));
  + // sometimes (very often) ctx getContext returns the same context every time
  + // and there might be previous transformation
  + // so let's reset it to be sure that everything is ok
  ctx.resetTransform();
  return ctx;
  }
  