- m->data = g_memdup(src->data, (src->w * src->h + 7) / 8);
- m->mask = XCreateBitmapFromData(ob_display, ob_root, m->data, m->w, m->h);
+ m->data = g_memdup(src->data, (src->width + 7) / 8 * src->height);
+ m->mask = XCreateBitmapFromData(RrDisplay(m->inst), RrRootWindow(m->inst),
+ m->data, m->width, m->height);