static void signalImage(BufferedImage image) { if (image != null) { SaneScanner scanner = getScanner(); if (scanner != null) { scanner.setImage(image); } } }
static void signalException(Exception e) { SaneScanner scanner = getScanner(); if (scanner != null) { scanner.signalException(e); } }
static void signalStateChange(SaneDevice device) { SaneScanner scanner = getScanner(); if (scanner != null) { scanner.setState(device); } }
static void negotiateOptions(SaneDevice source) { SaneScanner scanner = getScanner(); if (scanner != null) { scanner.negotiateOptions(source); } }