ardour/libs/ardour/transpose.cc

50 lines
1.4 KiB
C++

/*
Copyright (C) 2015 Paul Davis
Author: André Nusser
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 "ardour/transpose.h"
namespace ARDOUR {
Transpose::Transpose(int semitones)
: _semitones(semitones)
{}
Command*
Transpose::operator()(boost::shared_ptr<MidiModel> model,
Temporal::Beats position,
std::vector<Notes>& seqs)
{
typedef MidiModel::NoteDiffCommand Command;
Command* cmd = new Command(model, name());
for (std::vector<Notes>::iterator s = seqs.begin(); s != seqs.end(); ++s) {
for (Notes::const_iterator i = (*s).begin(); i != (*s).end(); ++i) {
const NotePtr note = *i;
model->transpose (cmd, *i, _semitones);
}
}
return cmd;
}
} // namespace ARDOUR