0.0);
yext.widen (slur_padding);
- const Real EPS = 1e-3;
- Interval bezext (curve.control_[0][X_AXIS], curve.control_[3][X_AXIS]);
- bool consider[] = {false, false, false};
- Real ys[] = {0, 0, 0};
+ Interval exts[] = {xext, yext};
bool do_shift = false;
-
- for (int d = LEFT, k = 0; d <= RIGHT; d++, k++)
+ Real EPS = 1.0e-5;
+ if (avoid == ly_symbol2scm ("outside"))
{
- Real x = xext.linear_combination ((Direction) d);
- consider[k] = bezext.contains (x);
-
- if (consider[k])
+ Direction d = LEFT;
+ do
{
- ys[k]
- = (fabs (bezext[LEFT] - x) < EPS)
- ? curve.control_[0][Y_AXIS]
- : ((fabs (bezext[RIGHT] - x) < EPS)
- ? curve.control_[3][Y_AXIS]
- : curve.get_other_coordinate (X_AXIS, x));
-
- /* Request shift if slur is contained script's Y, or if
- script is inside slur and avoid == outside. */
- if (yext.contains (ys[k])
- || (dir * ys[k] > dir * yext[-dir] && avoid == ly_symbol2scm ("outside")))
- do_shift = true;
+ Real x = minmax (-d, xext[d], curve.control_[d == LEFT ? 0 : 3][X_AXIS] + -d * EPS);
+ Real y = curve.get_other_coordinate (X_AXIS, x);
+ do_shift = y == minmax (dir, yext[-dir], y);
+ if (do_shift)
+ break;
}
+ while (flip (&d) != LEFT);
}
-
- Real avoidance_offset = 0.0;
- if (do_shift)
+ else
{
- for (int d = LEFT, k = 0; d <= RIGHT; d++, k++)
- if (consider[k])
- avoidance_offset = dir * (max (dir * avoidance_offset,
- dir * (ys[k] - yext[-dir] + dir * slur_padding)));
+ for (int a = X_AXIS; a < NO_AXES; a++)
+ {
+ Direction d = LEFT;
+ do
+ {
+ vector<Real> coords = curve.get_other_coordinates (Axis (a), exts[a][d]);
+ for (vsize i = 0; i < coords.size (); i++)
+ {
+ do_shift = exts[(a + 1) % NO_AXES].contains (coords[i]);
+ if (do_shift)
+ break;
+ }
+ if (do_shift)
+ break;
+ }
+ while (flip (&d) != LEFT);
+ if (do_shift)
+ break;
+ }
}
+
+ Real avoidance_offset = do_shift ? curve.minmax (X_AXIS, max (xext[LEFT], curve.control_[0][X_AXIS] + EPS), min (xext[RIGHT], curve.control_[3][X_AXIS] - EPS), dir) - yext[-dir] : 0.0;
+
return scm_from_double (offset + avoidance_offset);
}