XBlackPixel      1436 magick/widget.c         XBlackPixel(display,window_info->screen));
XBlackPixel      1495 magick/widget.c           XBlackPixel(display,window_info->screen));
XBlackPixel      1548 magick/widget.c           XBlackPixel(display,window_info->screen));
XBlackPixel      9163 magick/xwindow.c   context_values.background=XBlackPixel(display,XDefaultScreen(display));