diff options
Diffstat (limited to 'libs')
| -rw-r--r-- | libs/canvas/wave_view.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/libs/canvas/wave_view.cc b/libs/canvas/wave_view.cc index f39dca7594..ac45c2bc7c 100644 --- a/libs/canvas/wave_view.cc +++ b/libs/canvas/wave_view.cc @@ -421,8 +421,17 @@ WaveView::region_resized () _pre_change_bounding_box = _bounding_box; - _region_start = _region->start(); - invalidate_whole_cache (); + frameoffset_t s = _region->start(); + + if (s != _region_start) { + /* if the region start changes, the information we have + in the image cache is out of date and not useful + since it will fragmented into little pieces. invalidate + the cache. + */ + _region_start = _region->start(); + invalidate_whole_cache (); + } _bounding_box_dirty = true; compute_bounding_box (); |