void drawRectangles(Rectangle[] rects, boolean stippled) {
int xDisplay = display.xDisplay;
int color = OS.XWhitePixel(xDisplay, 0);
int xWindow = OS.XDefaultRootWindow(xDisplay);
if (parent != null) {
xWindow = OS.XtWindow(parent.handle);
if (xWindow == 0) return;
int foreground = parent.getForegroundPixel();
Control control = parent.findBackgroundControl();
if (control == null) control = parent;
int background = control.getBackgroundPixel();
color = foreground ^ background;
}
int gc = OS.XCreateGC(xDisplay, xWindow, 0, null);
OS.XSetForeground(xDisplay, gc, color);
OS.XSetSubwindowMode(xDisplay, gc, OS.IncludeInferiors);
OS.XSetFunction(xDisplay, gc, OS.GXxor);
int stipplePixmap = 0;
if (stippled) {
byte[] bits = {-86, 0, 85, 0, -86, 0, 85, 0, -86, 0, 85, 0, -86, 0, 85, 0};
stipplePixmap = OS.XCreateBitmapFromData(xDisplay, xWindow, bits, 8, 8);
OS.XSetStipple(xDisplay, gc, stipplePixmap);
OS.XSetFillStyle(xDisplay, gc, OS.FillStippled);
OS.XSetLineAttributes(xDisplay, gc, 3, OS.LineSolid, OS.CapButt, OS.JoinMiter);
}
for (int i = 0; i < rects.length; i++) {
Rectangle rect = rects[i];
OS.XDrawRectangle(xDisplay, xWindow, gc, rect.x, rect.y, rect.width, rect.height);
}
if (stippled) {
OS.XFreePixmap(xDisplay, stipplePixmap);
}
OS.XFreeGC(xDisplay, gc);
}
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);
}