diff options
Diffstat (limited to 'attic/muse_qt4_evolution/muse/midiedit/velocity.cpp')
-rw-r--r-- | attic/muse_qt4_evolution/muse/midiedit/velocity.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/muse/midiedit/velocity.cpp b/attic/muse_qt4_evolution/muse/midiedit/velocity.cpp new file mode 100644 index 00000000..f0abd845 --- /dev/null +++ b/attic/muse_qt4_evolution/muse/midiedit/velocity.cpp @@ -0,0 +1,108 @@ +//============================================================================= +// MusE +// Linux Music Editor +// $Id:$ +// +// Copyright (C) 2002-2006 by Werner Schweer and others +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License version 2. +// +// 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 "velocity.h" +#include "song.h" +#include "tb1.h" +#include "audio.h" + +//--------------------------------------------------------- +// Velocity +//--------------------------------------------------------- + +Velocity::Velocity(QWidget*) + : MidiCmdDialog() + { + setWindowTitle(tr("MusE: Modify Velocity")); + QWidget* velocityWidget = new QWidget; + velo.setupUi(velocityWidget); + layout->addWidget(velocityWidget); + layout->addStretch(10); + _rateVal = 0; + _offsetVal = 0; + velo.rate->setValue(_rateVal); + velo.offset->setValue(_offsetVal); + } + +//--------------------------------------------------------- +// accept +//--------------------------------------------------------- + +void Velocity::accept() + { + _rateVal = velo.rate->value(); + _offsetVal = velo.offset->value(); + MidiCmdDialog::accept(); + } + +//--------------------------------------------------------- +// ModifyVelocityCmd +//--------------------------------------------------------- + +ModifyVelocityCmd::ModifyVelocityCmd(MidiEditor* e) + : MidiCmd(e) + { + dialog = 0; + } + +//--------------------------------------------------------- +// guiDialog +//--------------------------------------------------------- + +MidiCmdDialog* ModifyVelocityCmd::guiDialog() + { + if (dialog == 0) + dialog = new Velocity(0); + return dialog; + } + +//--------------------------------------------------------- +// process +//--------------------------------------------------------- + +void ModifyVelocityCmd::process(CItemList* items) + { + int rate = dialog->rateVal(); + int offset = dialog->offsetVal(); + + for (iCItem k = items->begin(); k != items->end(); ++k) { + CItem* item = k->second; + Event event = item->event; + if (event.type() != Note) + continue; + if (itemInRange(item)) { + int velo = event.velo(); + velo = (velo * rate) / 100; + velo += offset; + + if (velo <= 0) + velo = 1; + if (velo > 127) + velo = 127; + if (event.velo() != velo) { + Event newEvent = event.clone(); + newEvent.setVelo(velo); + audio->msgChangeEvent(event, newEvent, item->part, false); + } + } + } + } + + |