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ftp://ftp.krokus.ru/pub/OpenBSD/distfiles/xscreensaver-5.01.tar.gz
[xscreensaver]
/
hacks
/
rotzoomer.c
diff --git
a/hacks/rotzoomer.c
b/hacks/rotzoomer.c
index 52b382f629d7298d5f0f9e64d936660876150581..29a566275445ae07a6e70bacd5698a057e9bae53 100644
(file)
--- a/
hacks/rotzoomer.c
+++ b/
hacks/rotzoomer.c
@@
-176,8
+176,8
@@
reset_zoom (struct state *st, struct zoom_area *za)
za->ww = st->width - za->w;
za->hh = st->height - za->h;
za->ww = st->width - za->w;
za->hh = st->height - za->h;
- za->x = (
random() % za->ww
);
- za->y = (
random() % za->hh
);
+ za->x = (
za->ww ? random() % za->ww : 0
);
+ za->y = (
za->hh ? random() % za->hh : 0
);
za->dx = ((2 * (random() & 1)) - 1) * (100 + random() % 300);
za->dy = ((2 * (random() & 1)) - 1) * (100 + random() % 300);
za->dx = ((2 * (random() & 1)) - 1) * (100 + random() % 300);
za->dy = ((2 * (random() & 1)) - 1) * (100 + random() % 300);
@@
-269,8
+269,9
@@
init_hack (struct state *st)
st->zoom_box[i] = create_zoom (st);
}
st->zoom_box[i] = create_zoom (st);
}
- memcpy (st->buffer_map->data, st->orig_map->data,
- st->height * st->buffer_map->bytes_per_line);
+ if (st->height && st->orig_map->data)
+ memcpy (st->buffer_map->data, st->orig_map->data,
+ st->height * st->buffer_map->bytes_per_line);
DisplayImage(st, 0, 0, st->width, st->height);
}
DisplayImage(st, 0, 0, st->width, st->height);
}