API Reference QRCodeReader_FMX ZXing.PlanarYUVLuminanceSource TPlanarYUVLuminanceSource TPlanarYUVLuminanceSource.renderThumbnail Method On this page Definition Definition Unit: ZXing.PlanarYUVLuminanceSource Package: QRCodeReader_FMX Delphi Copy function renderThumbnail: TArray<Integer> Returns TArray<Integer>