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Diffstat (limited to 'src/document/io/CsoundExporter.cpp')
| -rw-r--r-- | src/document/io/CsoundExporter.cpp | 154 | 
1 files changed, 154 insertions, 0 deletions
| diff --git a/src/document/io/CsoundExporter.cpp b/src/document/io/CsoundExporter.cpp new file mode 100644 index 0000000..9b61372 --- /dev/null +++ b/src/document/io/CsoundExporter.cpp @@ -0,0 +1,154 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* +    Rosegarden +    A MIDI and audio sequencer and musical notation editor. +  +    This program is Copyright 2000-2008 +        Guillaume Laurent   <glaurent@telegraph-road.org>, +        Chris Cannam        <cannam@all-day-breakfast.com>, +        Richard Bown        <richard.bown@ferventsoftware.com> +  +    The moral rights of Guillaume Laurent, Chris Cannam, and Richard +    Bown to claim authorship of this work have been asserted. +  +    Other copyrights also apply to some parts of this work.  Please +    see the AUTHORS file and individual file headers for details. +  +    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.  See the file +    COPYING included with this distribution for more information. +*/ + + +#include "CsoundExporter.h" + +#include "base/Event.h" +#include "base/BaseProperties.h" +#include "base/Composition.h" +#include "base/NotationTypes.h" +#include "base/Segment.h" +#include "base/Track.h" +#include "gui/general/ProgressReporter.h" +#include <qobject.h> +#include <fstream> +#include "gui/application/RosegardenApplication.h" + + +namespace Rosegarden +{ + +CsoundExporter::CsoundExporter(QObject *parent, +                               Composition *composition, +                               std::string fileName) : +        ProgressReporter(parent, "csoundExporter"), +        m_composition(composition), +        m_fileName(fileName) +{ +    // nothing else +} + +CsoundExporter::~CsoundExporter() +{ +    // nothing +} + +static double +convertTime(Rosegarden::timeT t) +{ +    return double(t) / double(Note(Note::Crotchet).getDuration()); +} + +bool +CsoundExporter::write() +{ +    std::ofstream str(m_fileName.c_str(), std::ios::out); +    if (!str) { +        //std::cerr << "CsoundExporter::write() - can't write file" << std::endl; +        return false; +    } + +    str << ";; Csound score file written by Rosegarden\n\n"; +    if (m_composition->getCopyrightNote() != "") { +        str << ";; Copyright note:\n;; " +        //!!! really need to remove newlines from copyright note +        << m_composition->getCopyrightNote() << "\n"; +    } + +    int trackNo = 0; +    for (Composition::iterator i = m_composition->begin(); +            i != m_composition->end(); ++i) { + +        emit setProgress(int(double(trackNo++) / double(m_composition->getNbTracks()) * 100.0)); +        rgapp->refreshGUI(50); + +        str << "\n;; Segment: \"" << (*i)->getLabel() << "\"\n"; +        str << ";; on Track: \"" +        << m_composition->getTrackById((*i)->getTrack())->getLabel() +        << "\"\n"; +        str << ";;\n;; Inst\tTime\tDur\tPitch\tVely\n" +        << ";; ----\t----\t---\t-----\t----\n"; + +        for (Segment::iterator j = (*i)->begin(); j != (*i)->end(); ++j) { + +            if ((*j)->isa(Note::EventType)) { + +                long pitch = 0; +                (*j)->get +                <Int>(BaseProperties::PITCH, pitch); + +                long velocity = 127; +                (*j)->get +                <Int>(BaseProperties::VELOCITY, velocity); + +                str << "   i" +                << (*i)->getTrack() << "\t" +                << convertTime((*j)->getAbsoluteTime()) << "\t" +                << convertTime((*j)->getDuration()) << "\t" +                << 3 + (pitch / 12) << ((pitch % 12) < 10 ? ".0" : ".") +                << pitch % 12 << "\t" +                << velocity << "\t\n"; + +            } else { +                str << ";; Event type: " << (*j)->getType() << std::endl; +            } +        } +    } + +    int tempoCount = m_composition->getTempoChangeCount(); + +    if (tempoCount > 0) { + +        str << "\nt "; + +        for (int i = 0; i < tempoCount - 1; ++i) { + +            std::pair<timeT, tempoT> tempoChange = +                m_composition->getTempoChange(i); + +            timeT myTime = tempoChange.first; +            timeT nextTime = myTime; +            if (i < m_composition->getTempoChangeCount() - 1) { +                nextTime = m_composition->getTempoChange(i + 1).first; +            } + +            int tempo = int(Composition::getTempoQpm(tempoChange.second)); + +            str << convertTime( myTime) << " " << tempo << " " +            << convertTime(nextTime) << " " << tempo << " "; +        } + +        str << convertTime(m_composition->getTempoChange(tempoCount - 1).first) +        << " " +        << int(Composition::getTempoQpm(m_composition->getTempoChange(tempoCount - 1).second)) +        << std::endl; +    } + +    str << "\ne" << std::endl; +    str.close(); +    return true; +} + +} | 
