diff options
Diffstat (limited to 'libs/ardour/region.cc')
| -rw-r--r-- | libs/ardour/region.cc | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libs/ardour/region.cc b/libs/ardour/region.cc index 6a40a56127..cec56e2150 100644 --- a/libs/ardour/region.cc +++ b/libs/ardour/region.cc @@ -638,6 +638,45 @@ Region::trim_front (nframes_t new_position, void *src) } void +Region::cut_front (nframes_t new_position, void *src) +{ + if (_flags & Locked) { + return; + } + + nframes_t end = last_frame(); + nframes_t source_zero; + + if (_position > _start) { + source_zero = _position - _start; + } else { + source_zero = 0; // its actually negative, but this will work for us + } + + if (new_position < end) { /* can't trim it zero or negative length */ + + nframes_t newlen; + + /* can't trim it back passed where source position zero is located */ + + new_position = max (new_position, source_zero); + + + if (new_position > _position) { + newlen = _length - (new_position - _position); + } else { + newlen = _length + (_position - new_position); + } + + trim_to_internal (new_position, newlen, src); + _flags = Flag (_flags | RightOfSplit); /* force reset of fade in */ + if (!_frozen) { + recompute_at_start (); + } + } +} + +void Region::trim_end (nframes_t new_endpoint, void *src) { if (_flags & Locked) { @@ -653,6 +692,22 @@ Region::trim_end (nframes_t new_endpoint, void *src) } void +Region::cut_end (nframes_t new_endpoint, void *src) +{ + if (_flags & Locked) { + return; + } + + if (new_endpoint > _position) { + trim_to_internal (_position, new_endpoint - _position +1, this); + _flags = Flag (_flags | LeftOfSplit); /* force reset of fade out */ + if (!_frozen) { + recompute_at_end (); + } + } +} + +void Region::trim_to (nframes_t position, nframes_t length, void *src) { if (_flags & Locked) { |