protected void AlignBarnumberX()
{
if (BarnumberMetrics != null)
{
BarnumberMetrics.Move(Metrics.OriginX - BarnumberMetrics.OriginX, 0);
}
}
protected void MoveBarnumberAboveRegionBox(BarnumberMetrics barnumberMetrics, FramedRegionInfoMetrics regionInfoMetrics)
{
if (barnumberMetrics != null && regionInfoMetrics != null)
{
double padding = Gap * 1.5;
double shift = barnumberMetrics.Bottom - regionInfoMetrics.Top + padding;
barnumberMetrics.Move(0, -shift);
}
}
/// <summary>
/// This virtual function writes the staff name and barnumber to the SVG file (if they are present).
/// Overrides write the region info (if present).
/// The barline itself is drawn when the system (and staff edges) is complete.
/// </summary>
public virtual void WriteDrawObjectsSVG(SvgWriter w)
{
if (StaffNameMetrics != null)
{
StaffNameMetrics.WriteSVG(w);
}
if (BarnumberMetrics != null)
{
BarnumberMetrics.WriteSVG(w);
}
}
public BarlineMetrics(Graphics graphics, Barline barline, float gap)
: base()
{
_objectType = "barline";
if (barline.BarlineType == BarlineType.end)
{
_left = -gap * 1.7F;
}
else
{
_left = -gap * 0.5F;
}
_originX = 0F;
_right = gap / 2F;
if (graphics != null && barline != null)
{
foreach (DrawObject drawObject in barline.DrawObjects)
{
Text text = drawObject as Text;
if (text != null)
{
Debug.Assert(text.TextInfo != null &&
(text is StaffNameText || text is FramedBarNumberText));
if (text is StaffNameText)
{
_staffNameMetrics = new TextMetrics(graphics, null, text.TextInfo);
// move the staffname vertically to the middle of this staff
Staff staff = barline.Voice.Staff;
float staffheight = staff.Gap * (staff.NumberOfStafflines - 1);
float dy = (staffheight * 0.5F) + (gap * 0.8F);
_staffNameMetrics.Move(0F, dy);
}
else if (text is FramedBarNumberText)
{
_barnumberMetrics = new BarnumberMetrics(graphics, null, text.TextInfo, text.FrameInfo);
//_barnumberMetrics = new TextMetrics(graphics, null, text.TextInfo);
// move the bar number above this barline
float deltaY = (gap * 6F);
_barnumberMetrics.Move(0F, -deltaY);
}
}
}
}
}
protected void SetCommonMetrics(Graphics graphics, List <DrawObject> drawObjects)
{
StaffMetrics staffMetrics = Voice.Staff.Metrics;
foreach (DrawObject drawObject in DrawObjects)
{
if (drawObject is StaffNameText staffNameText)
{
CSSObjectClass staffClass = CSSObjectClass.staffName;
StaffNameMetrics = new StaffNameMetrics(staffClass, graphics, staffNameText.TextInfo);
// move the staffname vertically to the middle of this staff
double staffheight = staffMetrics.StafflinesBottom - staffMetrics.StafflinesTop;
double dy = (staffheight * 0.5F) + (Gap * 0.8F);
StaffNameMetrics.Move(0, dy);
}
if (drawObject is FramedBarNumberText framedBarNumberText)
{
BarnumberMetrics = new BarnumberMetrics(graphics, framedBarNumberText.TextInfo, framedBarNumberText.FrameInfo);
// move the bar number to its default (=lowest) position above this staff.
BarnumberMetrics.Move(0, staffMetrics.StafflinesTop - BarnumberMetrics.Bottom - (Gap * 3));
}
}
}
public BarlineMetrics(Graphics graphics, Barline barline, float gap)
: base()
{
_objectType = "barline";
if(barline.BarlineType == BarlineType.end)
_left = -gap * 1.7F;
else
_left = -gap * 0.5F;
_originX = 0F;
_right = gap / 2F;
if(graphics != null && barline != null)
{
foreach(DrawObject drawObject in barline.DrawObjects)
{
Text text = drawObject as Text;
if(text != null)
{
Debug.Assert(text.TextInfo != null
&& (text is StaffNameText || text is FramedBarNumberText));
if(text is StaffNameText)
{
_staffNameMetrics = new TextMetrics(graphics, null, text.TextInfo);
// move the staffname vertically to the middle of this staff
Staff staff = barline.Voice.Staff;
float staffheight = staff.Gap * (staff.NumberOfStafflines - 1);
float dy = (staffheight * 0.5F) + (gap * 0.8F);
_staffNameMetrics.Move(0F, dy);
}
else if(text is FramedBarNumberText)
{
_barnumberMetrics = new BarnumberMetrics(graphics, null, text.TextInfo, text.FrameInfo);
//_barnumberMetrics = new TextMetrics(graphics, null, text.TextInfo);
// move the bar number above this barline
float deltaY = (gap * 6F);
_barnumberMetrics.Move(0F, -deltaY);
}
}
}
}
}
/// <summary>
/// If there is a collision between them, move the barnumber above the first duration symbol in the voice.
/// </summary>
/// <param name="barnumberMetrics"></param>
/// <param name="durationSymbolMetrics"></param>
/// <param name="gap"></param>
private void RemoveCollision(BarnumberMetrics barnumberMetrics, DurationSymbol durationSymbol, float gap)
{
ChordMetrics chordMetrics = durationSymbol.Metrics as ChordMetrics;
float verticalOverlap = 0F;
if(chordMetrics != null)
{
verticalOverlap = chordMetrics.OverlapHeight(barnumberMetrics, gap);
}
RestMetrics restMetrics = durationSymbol.Metrics as RestMetrics;
if(restMetrics != null)
{
verticalOverlap = restMetrics.OverlapHeight(barnumberMetrics, gap);
if(verticalOverlap > 0)
{
// fine tuning
// compare with the extra padding given to these symbols in the RestMetrics constructor.
switch(durationSymbol.DurationClass)
{
case DurationClass.breve:
case DurationClass.semibreve:
case DurationClass.minim:
case DurationClass.crotchet:
case DurationClass.quaver:
case DurationClass.semiquaver:
break;
case DurationClass.threeFlags:
verticalOverlap -= gap;
break;
case DurationClass.fourFlags:
verticalOverlap -= gap * 2F;
break;
case DurationClass.fiveFlags:
verticalOverlap -= gap * 2.5F;
break;
}
}
}
if(verticalOverlap > 0)
barnumberMetrics.Move(0F, -(verticalOverlap + gap));
}
