void drawBand(int x, int y, int width, int height) {
if ((style & SWT.SMOOTH) != 0) return;
int display = OS.XtDisplay(parent.handle);
if (display == 0) return;
int window = OS.XtWindow(parent.handle);
if (window == 0) return;
int foreground = parent.getForegroundPixel();
Control control = parent.findBackgroundControl();
if (control == null) control = parent;
int background = control.getBackgroundPixel();
int color = foreground ^ background;
byte[] bits = {-86, 85, -86, 85, -86, 85, -86, 85};
int stipplePixmap = OS.XCreateBitmapFromData(display, window, bits, 8, 8);
int gc = OS.XCreateGC(display, window, 0, null);
OS.XSetForeground(display, gc, color);
OS.XSetStipple(display, gc, stipplePixmap);
OS.XSetSubwindowMode(display, gc, OS.IncludeInferiors);
OS.XSetFillStyle(display, gc, OS.FillStippled);
OS.XSetFunction(display, gc, OS.GXxor);
OS.XFillRectangle(display, window, gc, x, y, width, height);
OS.XFreePixmap(display, stipplePixmap);
OS.XFreeGC(display, gc);
}
