private void JustifyVertically(float pageWidth, float gap)
{
int barnumberStaffIndex = BarnumberStaffIndex();
float stafflinesTop = Staves[barnumberStaffIndex].Metrics.StafflinesTop;
if(stafflinesTop != 0)
{
for(int i = barnumberStaffIndex; i < Staves.Count; ++i)
{
Staff staff = Staves[i];
if(staff.Metrics != null)
{
staff.Metrics.Move(0, stafflinesTop * -1);
}
}
}
Debug.Assert(Staves[barnumberStaffIndex].Metrics.StafflinesTop == 0);
if((barnumberStaffIndex + 1) < Staves.Count)// There must be at least one visible staff (an InputStaff).
{
for(int i = (barnumberStaffIndex + 1); i < Staves.Count; ++i)
{
if(Staves[i].Metrics != null)
{
//BottomEdge bottomEdge = new BottomEdge(Staves[i - 1], 0F, pageWidth, gap);
BottomEdge bottomEdge = GetBottomEdge(i - 1, barnumberStaffIndex, pageWidth, gap);
if(bottomEdge != null)
{
TopEdge topEdge = new TopEdge(Staves[i], 0F, pageWidth);
float separation = topEdge.DistanceToEdgeAbove(bottomEdge);
float dy = gap - separation;
// limit stafflineHeight to multiples of pageFormat.Gap so that stafflines
// are not displayed as thick grey lines.
dy = dy - (dy % gap) + gap; // the minimum space bewteen stafflines is gap pixels.
if(dy > 0F)
{
for(int j = i; j < Staves.Count; ++j)
{
if(Staves[j].Metrics != null)
{
Staves[j].Metrics.Move(0F, dy);
}
}
this.Metrics.StafflinesBottom += dy;
}
}
}
}
}
this.Metrics = new SystemMetrics();
foreach(Staff staff in Staves)
{
if(!(staff is HiddenOutputStaff) && staff.Metrics != null)
{
this.Metrics.Add(staff.Metrics);
}
}
Debug.Assert(this.Metrics.StafflinesTop == 0);
}
