MuseScore/libmscore/synthesizerstate.cpp

161 lines
4.6 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2012 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
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#include "synthesizerstate.h"
#include "xml.h"
namespace Ms {
//---------------------------------------------------------
// write
//---------------------------------------------------------
void SynthesizerState::write(XmlWriter& xml, bool force /* = false */) const
{
if (isDefault() && !force)
return;
xml.stag("Synthesizer");
for (const SynthesizerGroup& g : *this) {
if (!g.name().isEmpty()) {
xml.stag(g.name());
for (const IdValue& v : g)
xml.tag(QString("val id=\"%1\"").arg(v.id), v.data);
xml.etag();
}
}
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void SynthesizerState::read(XmlReader& e)
{
std::list<SynthesizerGroup> tempGroups;
while (e.readNextStartElement()) {
SynthesizerGroup group;
group.setName(e.name().toString());
while (e.readNextStartElement()) {
if (e.name() == "val") {
int id = e.intAttribute("id");
group.push_back(IdValue(id, e.readElementText()));
}
else
e.unknown();
}
tempGroups.push_back(group);
}
if (!tempGroups.empty()) {
// Replace any previously set state if we have read a new state
swap(tempGroups);
setIsDefault(false);
}
}
//---------------------------------------------------------
// group
/// Get SynthesizerGroup by name
//---------------------------------------------------------
SynthesizerGroup SynthesizerState::group(const QString& name) const
{
for (const SynthesizerGroup& g : *this) {
if (g.name() == name)
return g;
}
SynthesizerGroup sg;
return sg;
}
//---------------------------------------------------------
// isDefaultSynthSoundfont
/// check if synthesizer state uses default synth and
/// default font only
//---------------------------------------------------------
bool SynthesizerState::isDefaultSynthSoundfont()
{
SynthesizerGroup fluid = group("Fluid");
SynthesizerGroup zerberus = group("Zerberus");
if (zerberus.size() == 0 && fluid.size() == 1) {
if (fluid.front().data == "MuseScore_General.sf3")
return true;
}
return false;
}
//---------------------------------------------------------
// ccToUse
//---------------------------------------------------------
int SynthesizerState::ccToUse() const
{
SynthesizerGroup g = group("master");
int method = 1;
int cc = -1;
for (IdValue idVal : g) {
if (idVal.id == 4)
method = idVal.data.toInt();
else if (idVal.id == 5) {
switch (idVal.data.toInt()) {
case 0:
cc = 1;
break;
case 1:
cc = 2;
break;
case 2:
cc = 4;
break;
case 3:
cc = 11;
break;
default:
qWarning("Unrecognised CCToUse index from synthesizer: %d", idVal.data.toInt());
}
}
}
if (method == 0) // velocity only
return -1;
return cc;
}
//---------------------------------------------------------
// method
//---------------------------------------------------------
int SynthesizerState::method() const
{
SynthesizerGroup g = group("master");
int method = -1;
for (IdValue idVal : g) {
if (idVal.id == 4) {
method = idVal.data.toInt();
break;
}
}
return method;
}
}