void lineWidth() { int width = (int) IJ.getNumber("Line Width:", Line.getWidth()); if (width == IJ.CANCELED) return; Line.setWidth(width); LineWidthAdjuster.update(); ImagePlus imp = WindowManager.getCurrentImage(); if (imp != null && imp.isProcessor()) { ImageProcessor ip = imp.getProcessor(); ip.setLineWidth(Line.getWidth()); Roi roi = imp.getRoi(); if (roi != null && roi.isLine()) imp.draw(); } }