// ~ Methods ------------------------------------------------------------
// Retrieve the distance with proper staff border
@Override
protected double getValue(GlyphContext context) {
Glyph stick = context.stick;
Point2D start = stick.getStartPoint(VERTICAL);
// Which staff area contains the top of the stick?
StaffInfo staff = staffManager.getStaffAt(start);
// How far are we from the start of the staff?
double staffTop = staff.getFirstLine().yAt(start.getX());
double dy = sheet.getScale().pixelsToFrac(Math.abs(staffTop - start.getY()));
// Change limits according to rough & partDefining
if (rough && context.isPartDefining) {
setLowHigh(constants.maxStaffShiftDyLowRough, constants.maxStaffShiftDyHighRough);
} else {
setLowHigh(constants.maxStaffShiftDyLow, constants.maxStaffShiftDyHigh);
}
// Side-effect
if (dy <= getLow()) {
context.topStaff = context.topArea;
}
return dy;
}
/**
* Check that each staff begins with a clef.
*
* @return the number of clefs rebuilt
*/
@Override
public int runPattern() {
int successNb = 0;
int staffId = 0;
for (StaffInfo staff : system.getStaves()) {
staffId++;
// Define the inner box to intersect clef glyph(s)
int left = (int) Math.rint(staff.getAbscissa(HorizontalSide.LEFT));
Rectangle inner =
new Rectangle(
left + (2 * xOffset) + (clefWidth / 2),
staff.getFirstLine().yAt(left) + (staff.getHeight() / 2),
0,
0);
inner.grow((clefWidth / 2) - xOffset, (staff.getHeight() / 2) - yOffset);
// Remember the box, for visual debug
staff.addAttachment(" ci", inner);
// We must find a clef out of these glyphs
Collection<Glyph> glyphs = system.lookupIntersectedGlyphs(inner);
logger.debug("{}{}", staffId, Glyphs.toString(" int", glyphs));
// We assume than there can't be any alien among them, so we should
// rebuild the larger glyph which the alien had wrongly segmented
Set<Glyph> impacted = new HashSet<>();
for (Glyph glyph : glyphs) {
if (glyph.getShape() == Shape.STEM) {
logger.debug("Clef: Removed stem#{}", glyph.getId());
impacted.addAll(glyph.getConnectedNeighbors());
impacted.add(glyph);
}
}
if (!impacted.isEmpty()) {
// Rebuild the larger glyph
Glyph larger = system.buildCompound(impacted);
if (larger != null) {
logger.debug("Rebuilt stem-segmented {}", larger.idString());
}
// Recompute the set of intersected glyphs
glyphs = system.lookupIntersectedGlyphs(inner);
}
if (checkClef(glyphs, staff)) {
successNb++;
}
}
return successNb;
}
// ~ Methods ------------------------------------------------------------
// Retrieve the distance with proper staff line
@Override
protected double getValue(GlyphContext context) {
Glyph stick = context.stick;
Point2D start = stick.getStartPoint(VERTICAL);
// Which staff area contains the top of the stick?
StaffInfo staff = staffManager.getStaffAt(start);
// How far are we from the start of the staff?
double staffTop = staff.getFirstLine().yAt(start.getX());
double dy = sheet.getScale().pixelsToFrac(Math.abs(staffTop - start.getY()));
return dy;
}
// ~ Methods ------------------------------------------------------------
// Retrieve the stick abscissa
@Override
protected double getValue(GlyphContext context) {
Glyph stick = context.stick;
double dist = Double.MAX_VALUE;
// Check wrt every staff in the stick range
for (int i = context.topArea; i <= context.bottomArea; i++) {
StaffInfo staff = staffManager.getStaff(i);
Point2D top = staff.getFirstLine().getEndPoint(LEFT);
Point2D bot = staff.getLastLine().getEndPoint(LEFT);
double y = (top.getY() + bot.getY()) / 2;
double x = stick.getPositionAt(y, Orientation.VERTICAL);
double dx = x - staff.getAbscissa(LEFT);
dist = Math.min(dist, dx);
}
return sheet.getScale().pixelsToFrac(dist);
}