diff options
author | Taybin Rutkin <taybin@taybin.com> | 2005-09-25 18:42:24 +0000 |
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committer | Taybin Rutkin <taybin@taybin.com> | 2005-09-25 18:42:24 +0000 |
commit | 209d967b1bb80a9735d690d8f4f0455ecb9970ca (patch) | |
tree | 9d76ddcd7c1ac9d91bb2b1a33d31b66ce4ded5de /gtk2_ardour/time_selection.cc | |
parent | e4b9aed743fc765219ac775905a221c017c88fba (diff) |
Initial import of gtk2_ardour.
git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/time_selection.cc')
-rw-r--r-- | gtk2_ardour/time_selection.cc | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/gtk2_ardour/time_selection.cc b/gtk2_ardour/time_selection.cc new file mode 100644 index 0000000000..551e861176 --- /dev/null +++ b/gtk2_ardour/time_selection.cc @@ -0,0 +1,108 @@ +/* + Copyright (C) 2003-2004 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id$ +*/ + +#include <algorithm> + +#include <pbd/error.h> +#include <ardour/ardour.h> + +#include "time_selection.h" + +#include "i18n.h" + +using namespace ARDOUR; + +AudioRange& +TimeSelection::operator[] (uint32_t which) +{ + for (std::list<AudioRange>::iterator i = begin(); i != end(); ++i) { + if ((*i).id == which) { + return *i; + } + } + fatal << compose (_("programming error: request for non-existent audio range (%1)!"), which) << endmsg; + /*NOTREACHED*/ + return *(new AudioRange(0,0,0)); /* keep the compiler happy; never called */ +} + +bool +TimeSelection::consolidate () +{ + bool changed = false; + + restart: + for (std::list<AudioRange>::iterator a = begin(); a != end(); ++a) { + for (std::list<AudioRange>::iterator b = begin(); b != end(); ++b) { + + if (&(*a) == &(*b)) { + continue; + } + + if ((*a).coverage ((*b).start, (*b).end) != OverlapNone) { + (*a).start = std::min ((*a).start, (*b).start); + (*a).end = std::max ((*a).end, (*b).end); + erase (b); + changed = true; + goto restart; + } + } + } + + return changed; +} + +jack_nframes_t +TimeSelection::start () +{ + if (empty()) { + return 0; + } + + jack_nframes_t first = max_frames; + + for (std::list<AudioRange>::iterator i = begin(); i != end(); ++i) { + if ((*i).start < first) { + first = (*i).start; + } + } + return first; +} + +jack_nframes_t +TimeSelection::end_frame () +{ + jack_nframes_t last = 0; + + /* XXX make this work like RegionSelection: no linear search needed */ + + for (std::list<AudioRange>::iterator i = begin(); i != end(); ++i) { + if ((*i).end > last) { + last = (*i).end; + } + } + return last; +} + +jack_nframes_t +TimeSelection::length() +{ + return end_frame() - start() + 1; +} + |