David Robillard
99904735e0
git-svn-id: svn://localhost/ardour2/branches/midi@1614 d708f5d6-7413-0410-9779-e7cbd77b26cf
109 lines
2.4 KiB
C++
109 lines
2.4 KiB
C++
/*
|
|
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.
|
|
|
|
*/
|
|
|
|
#include <algorithm>
|
|
|
|
#include <pbd/error.h>
|
|
#include <ardour/ardour.h>
|
|
|
|
#include "time_selection.h"
|
|
|
|
#include "i18n.h"
|
|
|
|
using namespace ARDOUR;
|
|
using namespace PBD;
|
|
|
|
AudioRange&
|
|
TimeSelection::operator[] (uint32_t which)
|
|
{
|
|
for (std::list<AudioRange>::iterator i = begin(); i != end(); ++i) {
|
|
if ((*i).id == which) {
|
|
return *i;
|
|
}
|
|
}
|
|
fatal << string_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;
|
|
}
|
|
|
|
nframes_t
|
|
TimeSelection::start ()
|
|
{
|
|
if (empty()) {
|
|
return 0;
|
|
}
|
|
|
|
nframes_t first = max_frames;
|
|
|
|
for (std::list<AudioRange>::iterator i = begin(); i != end(); ++i) {
|
|
if ((*i).start < first) {
|
|
first = (*i).start;
|
|
}
|
|
}
|
|
return first;
|
|
}
|
|
|
|
nframes_t
|
|
TimeSelection::end_frame ()
|
|
{
|
|
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;
|
|
}
|
|
|
|
nframes_t
|
|
TimeSelection::length()
|
|
{
|
|
return end_frame() - start() + 1;
|
|
}
|
|
|