diff options
| -rw-r--r-- | tksao/panner/panner.C | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tksao/panner/panner.C b/tksao/panner/panner.C index 4e0251b..f009990 100644 --- a/tksao/panner/panner.C +++ b/tksao/panner/panner.C @@ -230,6 +230,10 @@ void Panner::updateCmd(void* p) void Panner::updateBBoxCmd(const Vector& ll, const Vector& lr, const Vector& ur, const Vector& ul) { + Vector ss = ur - ll; + if (ss[0] < 3 || ss[1] < 3) + return; + bbox[0] = ll; bbox[1] = lr; bbox[2] = ur; |