switch (bs.getLineJoin()) {
                case BasicStroke.JOIN_BEVEL :
                    this.gc.setLineJoin(SWT.JOIN_BEVEL);
                    break;
                case BasicStroke.JOIN_MITER :
                    this.gc.setLineJoin(SWT.JOIN_MITER);
                    break;
                case BasicStroke.JOIN_ROUND :
                    this.gc.setLineJoin(SWT.JOIN_ROUND);
                    break;