/** Get the hotspot for this object in screen coordinates.
*/
public override FinalPoint getScreenHotspot()
{
if (_screenHotspot != null)
{
return(_screenHotspot);
}
int deltaY = 0;
Anchored anchor = getAnchor();
AugmentationDot previousDot = getPreviousDot();
if (anchor is Notehead)
{
// Debug: should ensure that anchor is always a Notehead
if (previousDot == null && ((Notehead)anchor).getStaffStep() % 2 == 0)
{
// Notehead is on a line and this is the first dot, so shift up the dot
deltaY = -3;
}
}
if (previousDot == null)
{
// This is the first dot
_screenHotspot = new FinalPoint(anchor.getScreenHotspot(), 5, deltaY);
}
else
{
// Shift to the right from the previous dot
_screenHotspot = new FinalPoint(previousDot.getScreenHotspot(), 3, deltaY);
}
return(_screenHotspot);
}
/** This is automatically called after the object is modified to force
* this to recompute all its values when the "get"
* method is called for the value.
*/
public override void invalidate()
{
_previousDot = null;
_anchor = null;
_screenHotspot = null;
}
/** Return the previous dot for this Notehead, or null if this is the first one.
* Don't set the anchor to the previous dot, because the anchor should
* always be the Notehead.
*/
private AugmentationDot getPreviousDot()
{
if (_gotPreviousDot)
return _previousDot;
// Search for the previous AugmentationDot before a Notehead
_previousDot = null;
for (int i = getIndex() - 1; i >= 0; --i) {
MusicSymbol symbol = getParentTimeSlice().getMusicSymbol(i);
if (symbol is Notehead)
break;
if (symbol is AugmentationDot) {
_previousDot = (AugmentationDot)symbol;
break;
}
}
_gotPreviousDot = true;
return _previousDot;
}
