void alterDivisions( DOMElement *measure, int ratio, int staffNo ){
cout << "Altering notes\n";
DOMNodeList *notes = measure->getElementsByTagName(XS("note"));
for( int i=0; i<notes->getLength(); i++ ){
DOMElement *note = (DOMElement*)notes->item(i);
//cout << "note " << i << endl;
DOMElement *durEl = getSingleElement(note,"duration");
if( durEl != NULL ){ // grace notes have no duration
int dur = atoi(getText(durEl).c_str());
cout << " dur " << dur << endl;
setText( durEl, itoa(dur*ratio) );
}
//set staff no
DOMElement *staff = getSingleElement(note,"staff");
if( staff == NULL ){
staff = m_doc->createElement(XS("staff"));
DOMElement *before = getSingleElement( note, "beam" );
if( !before )
before = getSingleElement( note, "notations" );
if( before )
note->insertBefore( staff, before );
else
note->appendChild(staff);
}
setText(staff,itoa(staffNo));
}
cout << "Notes & rests altered\n";
DOMNodeList *backups = measure->getElementsByTagName(XS("backup"));
for( int i=0; i<backups->getLength(); i++ ){
DOMElement *durEl = getSingleElement( (DOMElement*)backups->item(i), "duration" );
int dur = atoi(getText(durEl).c_str());
setText( durEl, itoa(dur*ratio) );
}
cout << "Backups altered\n";
DOMNodeList *forwards = measure->getElementsByTagName(XS("forward"));
for( int i=0; i<forwards->getLength(); i++ ){
DOMElement *durEl = getSingleElement( (DOMElement*)forwards->item(i), "duration" );
int dur = atoi(getText(durEl).c_str());
setText( durEl, itoa(dur*ratio) );
}
cout << "Forwards altered\n";
}
