Chris@147: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@147:
Chris@147: /*
Chris@147: Sonic Visualiser
Chris@147: An audio file viewer and annotation editor.
Chris@147: Centre for Digital Music, Queen Mary, University of London.
Chris@147: This file copyright 2006 Chris Cannam.
Chris@147:
Chris@147: This program is free software; you can redistribute it and/or
Chris@147: modify it under the terms of the GNU General Public License as
Chris@147: published by the Free Software Foundation; either version 2 of the
Chris@147: License, or (at your option) any later version. See the file
Chris@147: COPYING included with this distribution for more information.
Chris@147: */
Chris@147:
Chris@147: #ifndef _NOTE_MODEL_H_
Chris@147: #define _NOTE_MODEL_H_
Chris@147:
Chris@437: #include "IntervalModel.h"
Chris@391: #include "base/RealTime.h"
Chris@150: #include "base/PlayParameterRepository.h"
Chris@147:
Chris@147: /**
Chris@441: * NoteModel -- a concrete IntervalModel for notes.
Chris@441: */
Chris@441:
Chris@441: /**
Chris@441: * Note type for use in a sparse model. All we mean by a "note" is
Chris@441: * something that has an onset time, a single value, a duration, and a
Chris@441: * level. Like other points, it can also have a label. With this
Chris@441: * point type, the model can be thought of as representing a simple
Chris@441: * MIDI-type piano roll, except that the y coordinates (values) do not
Chris@441: * have to be discrete integers.
Chris@147: */
Chris@147:
Chris@147: struct Note
Chris@147: {
Chris@147: public:
Chris@340: Note(long _frame) : frame(_frame), value(0.0f), duration(0), level(1.f) { }
Chris@340: Note(long _frame, float _value, size_t _duration, float _level, QString _label) :
Chris@340: frame(_frame), value(_value), duration(_duration), level(_level), label(_label) { }
Chris@147:
Chris@147: int getDimensions() const { return 3; }
Chris@147:
Chris@147: long frame;
Chris@147: float value;
Chris@147: size_t duration;
Chris@340: float level;
Chris@147: QString label;
Chris@147:
Chris@338: QString getLabel() const { return label; }
Chris@338:
Chris@314: void toXml(QTextStream &stream,
Chris@314: QString indent = "",
Chris@314: QString extraAttributes = "") const
Chris@147: {
Chris@314: stream <<
Chris@340: QString("%1<point frame=\"%2\" value=\"%3\" duration=\"%4\" level=\"%5\" label=\"%6\" %7/>\n")
Chris@340: .arg(indent).arg(frame).arg(value).arg(duration).arg(level).arg(label).arg(extraAttributes);
Chris@147: }
Chris@147:
Chris@147: QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147: {
Chris@147: QStringList list;
Chris@147: list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@147: list << QString("%1").arg(value);
Chris@340: list << RealTime::frame2RealTime(duration, sampleRate).toString().c_str();
Chris@340: list << QString("%1").arg(level);
Chris@318: if (label != "") list << label;
Chris@147: return list.join(delimiter);
Chris@147: }
Chris@147:
Chris@147: struct Comparator {
Chris@147: bool operator()(const Note &p1,
Chris@147: const Note &p2) const {
Chris@147: if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147: if (p1.value != p2.value) return p1.value < p2.value;
Chris@147: if (p1.duration != p2.duration) return p1.duration < p2.duration;
Chris@340: if (p1.level != p2.level) return p1.level < p2.level;
Chris@147: return p1.label < p2.label;
Chris@147: }
Chris@147: };
Chris@147:
Chris@147: struct OrderComparator {
Chris@147: bool operator()(const Note &p1,
Chris@147: const Note &p2) const {
Chris@147: return p1.frame < p2.frame;
Chris@147: }
Chris@147: };
Chris@147: };
Chris@147:
Chris@147:
Chris@437: class NoteModel : public IntervalModel<Note>
Chris@147: {
Chris@423: Q_OBJECT
Chris@423:
Chris@147: public:
Chris@147: NoteModel(size_t sampleRate, size_t resolution,
Chris@256: bool notifyOnAdd = true) :
Chris@437: IntervalModel<Note>(sampleRate, resolution, notifyOnAdd),
Chris@256: m_valueQuantization(0)
Chris@256: {
Chris@391: PlayParameterRepository::getInstance()->addPlayable(this);
Chris@256: }
Chris@256:
Chris@256: NoteModel(size_t sampleRate, size_t resolution,
Chris@147: float valueMinimum, float valueMaximum,
Chris@147: bool notifyOnAdd = true) :
Chris@437: IntervalModel<Note>(sampleRate, resolution,
Chris@437: valueMinimum, valueMaximum,
Chris@437: notifyOnAdd),
Chris@147: m_valueQuantization(0)
Chris@147: {
Chris@391: PlayParameterRepository::getInstance()->addPlayable(this);
Chris@391: }
Chris@391:
Chris@391: virtual ~NoteModel()
Chris@391: {
Chris@391: PlayParameterRepository::getInstance()->removePlayable(this);
Chris@147: }
Chris@147:
Chris@147: float getValueQuantization() const { return m_valueQuantization; }
Chris@147: void setValueQuantization(float q) { m_valueQuantization = q; }
Chris@147:
Chris@345: QString getTypeName() const { return tr("Note"); }
Chris@345:
Chris@391: virtual bool canPlay() const { return true; }
Chris@391:
Chris@391: virtual QString getDefaultPlayPluginId() const
Chris@391: {
Chris@391: return "dssi:_builtin:sample_player";
Chris@391: }
Chris@391:
Chris@391: virtual QString getDefaultPlayPluginConfiguration() const
Chris@391: {
Chris@391: return "<plugin program=\"piano\"/>";
Chris@391: }
Chris@391:
Chris@288: virtual void toXml(QTextStream &out,
Chris@288: QString indent = "",
Chris@288: QString extraAttributes = "") const
Chris@147: {
Chris@318: std::cerr << "NoteModel::toXml: extraAttributes = \""
Chris@318: << extraAttributes.toStdString() << std::endl;
Chris@318:
Chris@437: IntervalModel<Note>::toXml
Chris@288: (out,
Chris@288: indent,
Chris@452: QString("%1 subtype=\"note\" valueQuantization=\"%2\"")
Chris@147: .arg(extraAttributes).arg(m_valueQuantization));
Chris@147: }
Chris@147:
Chris@424: /**
Chris@424: * TabularModel methods.
Chris@424: */
Chris@424:
Chris@424: virtual int getColumnCount() const
Chris@424: {
Chris@424: return 6;
Chris@424: }
Chris@424:
Chris@424: virtual QString getHeading(int column) const
Chris@424: {
Chris@424: switch (column) {
Chris@424: case 0: return tr("Time");
Chris@424: case 1: return tr("Frame");
Chris@424: case 2: return tr("Pitch");
Chris@424: case 3: return tr("Duration");
Chris@424: case 4: return tr("Level");
Chris@424: case 5: return tr("Label");
Chris@424: default: return tr("Unknown");
Chris@424: }
Chris@424: }
Chris@424:
Chris@424: virtual QVariant getData(int row, int column, int role) const
Chris@424: {
Chris@437: if (column < 4) {
Chris@437: return IntervalModel<Note>::getData(row, column, role);
Chris@425: }
Chris@425:
Chris@424: PointListIterator i = getPointListIteratorForRow(row);
Chris@424: if (i == m_points.end()) return QVariant();
Chris@424:
Chris@424: switch (column) {
Chris@424: case 4: return i->level;
Chris@424: case 5: return i->label;
Chris@424: default: return QVariant();
Chris@424: }
Chris@424: }
Chris@424:
Chris@424: virtual Command *getSetDataCommand(int row, int column, const QVariant &value, int role)
Chris@424: {
Chris@437: if (column < 4) {
Chris@437: return IntervalModel<Note>::getSetDataCommand
Chris@425: (row, column, value, role);
Chris@425: }
Chris@425:
Chris@424: if (role != Qt::EditRole) return false;
Chris@424: PointListIterator i = getPointListIteratorForRow(row);
Chris@424: if (i == m_points.end()) return false;
Chris@424: EditCommand *command = new EditCommand(this, tr("Edit Data"));
Chris@424:
Chris@424: Point point(*i);
Chris@424: command->deletePoint(point);
Chris@424:
Chris@424: switch (column) {
Chris@424: case 4: point.level = value.toDouble(); break;
Chris@424: case 5: point.label = value.toString(); break;
Chris@424: }
Chris@424:
Chris@424: command->addPoint(point);
Chris@424: return command->finish();
Chris@424: }
Chris@424:
Chris@424: virtual SortType getSortType(int column) const
Chris@424: {
Chris@424: if (column == 5) return SortAlphabetical;
Chris@424: return SortNumeric;
Chris@424: }
Chris@424:
Chris@147: protected:
Chris@147: float m_valueQuantization;
Chris@147: };
Chris@147:
Chris@147: #endif