NEPointerList* NEPointerList::getElementsWithShortestDurationNotNull()
{
assert(!empty());
NEPointerList* list=new NEPointerList;
GRNotationElement * e = NULL;
GuidoPos pos=GetHeadPosition();
TYPE_DURATION dur(INT_MAX,1);
while (pos)
{
e = GetNext(pos);
if (e->getDuration() < dur
&& e->getDuration() > DURATION_0)
dur = e->getDuration();
}
pos = GetHeadPosition();
while (pos)
{
e = GetNext(pos);
if (e->getDuration() == dur)
{
list->push_back(e);
}
}
return list;
}
/** \brief returns new Constant
*/
float GRSpring::change_dur(const TYPE_DURATION & ndur)
{
if (ndur != dur && ndur >= DURATION_0)
{
dur = ndur;
hasDurElement = false;
// we have to check the hasDurElement-flag
GuidoPos pos = grolst.GetHeadPosition();
while (pos)
{
GRNotationElement * el = grolst.GetNext(pos);
if (el->getDuration() == dur)
{
hasDurElement = true;
break;
}
}
return calcconst( 0 );
}
// if the duration didn't change, we just have
// the same hasDurElement value
return sconst;
}
/** \brief Recalculates the bounding box of the page.
*/
void GRPage::updateBoundingBox()
{
// - Start from a null rectangle
mBoundingBox.Set( 0, 0, 0, 0 );
GRNotationElement * el;
// - Add systems boxes
SystemPointerList::iterator ptr;
TYPE_DURATION duration;
for( ptr = mSystems.begin(); ptr != mSystems.end(); ++ ptr ) {
el = *ptr;
NVRect eltBox ( el->getBoundingBox());
eltBox += el->getPosition();
mBoundingBox.Merge( eltBox );
duration += el->getDuration();
//addToBoundingBox( el );
}
setDuration (duration);
// - Add page and system-tags boxes
GuidoPos mypos = First();
if (mypos) {
GRNotationElement * el = GetNext( mypos );
NVRect eltBox ( el->getBoundingBox());
eltBox += el->getPosition();
mBoundingBox.Merge( eltBox );
// todo: addToBoundingBox( el );
}
mMapping = mBoundingBox;
// - Add the page margins
/*
mBoundingBox.left -= getMarginLeft();
mBoundingBox.top -= getMarginTop();
mBoundingBox.right += getMarginRight();
mBoundingBox.bottom += getMarginBottom();
*/
// This adds some space to the right and at the bottom.
// The NoteServer can display a nicer picture using this ....
// maybe this needs to be changed later!?
//mBoundingBox.right += 5* LSPACE;
//mBoundingBox.bottom += 5* LSPACE;
}
/** \brief Called just as createNewRods is called
It updates the QP-Matrix for minimizing the Spring-
energy. This is a first prototype.
*/
int GRVoice::updateMSCMatrix(GRSpaceForceFunction2 * sff,
GRSpacingMatrix * spm,
GRStaffManager * stfmgr,
ISpringVector * sprvect,
int startspr, int endspr )
{
double * mat = spm->getMSCMatrix();
int n = spm->getMSCMatrixMemSize();
// now even newer stuff; we distinguish between different
// phases:
// first voice just sets the maximum value for each spring
// (this is the regular gourlay model)
// we also take care of "neighbourhoods", telling the
// SpacingMatrix, where same-notedurations occur.
// this setting just remembers if it is the first run ....
// for the first run, there must be a special handling (remembering
// the first rod)
// int beginsAtHead = 0;
GuidoPos pos;
if (lastsprpos == NULL)
{
// there has been no previous rod, that
// is there has been no element in this
// voice yet, that is attached to a
// string.
if (mIsNewLine)
{
// then, there has been no element
// added yet!
return -1;
}
pos = firstPositionInLine;
// beginsAtHead = 1;
}
else
{
// iterate to the next element....
pos = lastsprpos;
GetNext(pos);
}
GRNotationElement * el = NULL;
double prevvalue = 0;
int prevstartid = -1;
// int numneighbours = 0;
KF_List<int> * neighbourlist = 0;
while (pos)
{
el = GetNext(pos);
// does this element have a spring;
// if not, than there can't be a rod attached to it.
if (!el->getNeedsSpring())
continue;
int start; // the spring where the current element starts
int end; // the spring where the current element ends
// this is done, as long as the NEXT element needs a spring ...
while (pos)
{
GRNotationElement * next = GetCompositeElements().GetAt( pos );
if (!next->getNeedsSpring())
{
GetNext(pos);
continue;
}
start = el->getSpringID();
end = next->getSpringID();
// now we just determine the necessary value, depending
// on duration alone ...
float value = 0;
const TYPE_DURATION durel (el->getDuration());
// const TYPE_DURATION &durnext = next->getDuration();
if (durel > DURATION_0)
{
value = 1.0f / (float) durel;
// now we fill the second entry in the msc-matrix
// this is needed, so that we can make sure, that
// spacing is somewhat controlled, when NO groups
// have been found.
// this is equivalent to the stuff that was calculated
// before (see below)
int cnt;
for (cnt=start; cnt<end; cnt++)
{
if (value > *(mat + cnt + n*3))
{
*(mat + cnt + n*3) = value;
}
}
if (prevvalue == value)
{
if (!neighbourlist)
{
neighbourlist = new KF_List<int>();
neighbourlist->AddTail(prevstartid);
}
// then we have a neighboor
neighbourlist->AddTail(start);
}
else
{
if (neighbourlist)
{
neighbourlist->AddTail(start);
spm->AddNeighbourList(neighbourlist);
neighbourlist = NULL;
}
// then we just start a new group ...
}
}
else
{
if (neighbourlist)
{
neighbourlist->AddTail(start);
spm->AddNeighbourList(neighbourlist);
neighbourlist = NULL;
}
}
// this means we are finished with finding the next event
el = NULL;
if (durel <= DURATION_4)
prevvalue = value;
else
prevvalue = -1.0f;
prevstartid = start;
break;
}
}
if (el && el->getNeedsSpring())
{
int start;
int end;
start = el->getSpringID();
end = endspr;
//float mysconst = GRSpring::onlycalcconst(el);
float value = 0; // mysconst;
const TYPE_DURATION durel (el->getDuration());
if (durel > DURATION_0)
{
value = 1.0f / (float) durel;
int i;
for (i=start; i<end; i++)
{
if (value > *(mat + i + n*3))
{
*(mat + i + n*3) = value;
}
}
// check for neighbours ....
// maybe this is a hack, but one that makes sense:
// neighbourhood is only important for durations of up to
// a quarter note.
if (prevvalue == value)
{
if (!neighbourlist)
{
neighbourlist = new KF_List<int>();
neighbourlist->AddTail(prevstartid);
}
// then we have a neighboor
neighbourlist->AddTail(start);
neighbourlist->AddTail(endspr);
spm->AddNeighbourList(neighbourlist);
neighbourlist = NULL;
}
}
if (neighbourlist)
{
// the last element was not a neighbour
neighbourlist->AddTail(start);
spm->AddNeighbourList(neighbourlist);
neighbourlist = NULL;
}
}
// if i have a neighbourlist that is still open, something
// went a little wrong?
if (neighbourlist)
{
assert(false);
neighbourlist->AddTail(endspr-1);
spm->AddNeighbourList(neighbourlist);
neighbourlist = NULL;
}
return 0;
}
/** \brief Called just as createNewRods is called.
It updates the QP-Matrix for minimizing the Spring-
energy. This is a first prototype.
*/
int GRVoice::updateMSCMatrix( GRSpaceForceFunction * spf,
int startspr,int endspr)
{
double * mat = spf->getMSCMatrix();
int n = spf->getMSCMatrixMemSize();
// this setting just remembers,
// if it is the first run ....
// for the first run, there must
// be a special handling (remembering
// the first rod)
// int beginsAtHead = 0;
GuidoPos pos;
if (lastsprpos == NULL)
{
// there has been no previous rod, that
// is there has been no element in this
// voice yet, that is attached to a
// string.
if (mIsNewLine)
{
// then, there has been no element
// added yet!
return -1;
}
pos = firstPositionInLine;
// beginsAtHead = 1;
}
else
{
// iterate to the next element....
pos = lastsprpos;
elements->GetNext(pos);
}
GRNotationElement * el = NULL;
while (pos)
{
el = elements->GetNext(pos);
// does this element have a spring;
// if not, than there can't be a rod attached to it.
if (!el->getNeedsSpring())
{
continue;
}
// if (beginsAtHead)
// {
int start; // the spring where the current element starts
int end; // the spring where the current element ends
// this is done, as long as the NEXT element needs a spring ...
while (pos)
{
GRNotationElement * next = elements->GetAt(pos);
if (!next->getNeedsSpring())
{
elements->GetNext(pos);
continue;
}
start = el->getSpringID();
end = next->getSpringID();
// then we need the "real" constant:
//float mysconst = GRSpring::onlycalcconst(el);
double value = 0; // mysconst;
const TYPE_DURATION & durel (el->getDuration());
if (durel > DURATION_0)
{
value = 1.0 / (float) durel;
}
int i;
for (i=start; i<end; i++)
{
if (value > *(mat + i + n*0))
{
*(mat + i + n*0) = value;
*(mat + i + n*1) = durel.getNumerator();
*(mat + i + n*2) = durel.getDenominator();
}
}
// finish the inner cycle
break;
} // while (pos);
// if we are moved out
} // while (pos);
// there is an element ...
// then we need to add a Rod from this
// to the end. This rod is going to
// be the lastrod ...
if (el && el->getNeedsSpring())
{
int start;
int end;
start = el->getSpringID();
end = endspr;
float mysconst = GRSpring::onlycalcconst(el);
double value = mysconst;
const TYPE_DURATION & durel (el->getDuration());
if (durel > DURATION_0)
{
value = (1.0 / value) / durel;
}
int i;
for (i=start; i<end; i++)
{
if (value > *(mat + i + n*0))
{
*(mat + i + n*0) = value;
*(mat + i + n*1) = durel.getNumerator();
*(mat + i + n*2) = durel.getDenominator();
}
}
}
return 0;
}
