diff options
Diffstat (limited to 'attic/muse_qt4_evolution/midiplugins/splitlayer/splitlayer.cpp')
| -rw-r--r-- | attic/muse_qt4_evolution/midiplugins/splitlayer/splitlayer.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/midiplugins/splitlayer/splitlayer.cpp b/attic/muse_qt4_evolution/midiplugins/splitlayer/splitlayer.cpp new file mode 100644 index 00000000..7ea4ba3e --- /dev/null +++ b/attic/muse_qt4_evolution/midiplugins/splitlayer/splitlayer.cpp @@ -0,0 +1,209 @@ +//============================================================================= +// MusE +// Linux Music Editor +// $Id:$ +// +// Copyright (C) 2006 by Werner Schweer +// +// 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 "splitlayergui.h" +#include "splitlayer.h" +#include "midi.h" +#include "midievent.h" + +//--------------------------------------------------------- +// SplitLayer +//--------------------------------------------------------- + +SplitLayer::SplitLayer(const char* name, const MempiHost* h) + : Mempi(name, h) + { + gui = 0; + } + +//--------------------------------------------------------- +// SplitLayer +//--------------------------------------------------------- + +SplitLayer::~SplitLayer() + { + if (gui) + delete gui; + } + +//--------------------------------------------------------- +// init +//--------------------------------------------------------- + +bool SplitLayer::init() + { + data.startVelo[0] = 0; + data.endVelo[0] = 128; + data.startPitch[0] = 0; + data.endPitch[0] = 128; + data.pitchOffset[0] = 0; + data.veloOffset[0] = 0; + for (int i = 1; i < MIDI_CHANNELS; ++i) { + data.startVelo[i] = 0; + data.endVelo[i] = 0; + data.startPitch[i] = 0; + data.endPitch[i] = 0; + data.pitchOffset[i] = 0; + data.veloOffset[i] = 0; + } + memset(notes, 0, 128 * sizeof(int)); + learnMode = false; + gui = new SplitLayerGui(this, 0); + gui->hide(); + gui->setWindowTitle(QString(name())); + gui->init(); + return false; + } + +//--------------------------------------------------------- +// getGeometry +//--------------------------------------------------------- + +void SplitLayer::getGeometry(int* x, int* y, int* w, int* h) const + { + QPoint pos(gui->pos()); + QSize size(gui->size()); + *x = pos.x(); + *y = pos.y(); + *w = size.width(); + *h = size.height(); + } + +//--------------------------------------------------------- +// setGeometry +//--------------------------------------------------------- + +void SplitLayer::setGeometry(int x, int y, int w, int h) + { + gui->resize(QSize(w, h)); + gui->move(QPoint(x, y)); + } + +//--------------------------------------------------------- +// process +//--------------------------------------------------------- + +void SplitLayer::process(unsigned, unsigned, MidiEventList* il, MidiEventList* ol) + { + for (iMidiEvent i = il->begin(); i != il->end(); ++i) { + if (i->type() != ME_NOTEON && i->type() != ME_NOTEOFF) { + ol->insert(*i); + continue; + } + int pitch = i->dataA(); + int velo = i->dataB(); + if (learnMode) { + if (learnStartPitch) + data.startPitch[learnChannel] = pitch; + else + data.endPitch[learnChannel] = pitch; + learnMode = false; + gui->sendResetLearnMode(); + return; + } + if (i->type() == ME_NOTEON && velo) { + for (int ch = 0; ch < MIDI_CHANNELS; ++ch) { + MidiEvent event(*i); + if (pitch >= data.startPitch[ch] + && pitch <= data.endPitch[ch] + && velo >= data.startVelo[ch] + && velo <= data.endVelo[ch]) { + notes[pitch] |= (1 << ch); + event.setChannel(ch); + int p = pitch; + int v = velo; + p += data.pitchOffset[ch]; + if (p > 127) + p = 127; + else if (p < 0) + p = 0; + v += data.veloOffset[ch]; + if (v > 127) + v = 127; + else if (v < 0) + v = 0; + event.setA(p); + event.setB(v); + ol->insert(event); + } + } + } + else { + for (int ch = 0; ch < MIDI_CHANNELS; ++ch) { + if (notes[pitch] & (1 << ch)) { + MidiEvent event(*i); + event.setChannel(ch); + int p = pitch + data.pitchOffset[ch]; + if (p < 0) + p = 0; + else if (p > 127) + p = 127; + event.setA(p); + ol->insert(event); + } + } + notes[pitch] = 0; + } + } + } + +//--------------------------------------------------------- +// getInitData +//--------------------------------------------------------- + +void SplitLayer::getInitData(int* n, const unsigned char** p) const + { + *n = sizeof(data); + *p = (unsigned char*)&data; + } + +//--------------------------------------------------------- +// setInitData +//--------------------------------------------------------- + +void SplitLayer::setInitData(int n, const unsigned char* p) + { + memcpy((void*)&data, p, n); + if (gui) + gui->init(); + } + +//--------------------------------------------------------- +// inst +//--------------------------------------------------------- + +static Mempi* instantiate(const char* name, const MempiHost* h) + { + return new SplitLayer(name, h); + } + +extern "C" { + static MEMPI descriptor = { + "SplitLayer", + "MusE Midi Splits and Layers", + "0.1", // version string + MEMPI_FILTER, + MEMPI_MAJOR_VERSION, MEMPI_MINOR_VERSION, + instantiate + }; + + const MEMPI* mempi_descriptor() { return &descriptor; } + } + |