source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "tie.hh"
#include "tie-column.hh"
#include "grob-array.hh"
#include "tie-formatting-problem.hh"
+#include "tie-configuration.hh"
int
return SCM_UNSPECIFIED;
}
-Interval
-Tie::get_default_attachments (Spanner *me, Grob *common, Real gap,
- int *staff_position,
- bool *in_between,
- Tie_details const &details
- )
-{
- Real staff_space = Staff_symbol_referencer::staff_space (me);
- Direction dir = get_grob_direction (me);
- Interval attachments;
- Direction d = LEFT;
- do
- {
- attachments[d]
- = robust_relative_extent (me->get_bound (d),
- common,
- X_AXIS)[-d]
- - gap * d;
- }
- while (flip (&d) != LEFT);
-
- if (attachments.length () < details.between_length_limit_ * staff_space)
- {
- /*
- Let short ties start over note heads, instead of between.
- */
- Drul_array<bool> allow (true, true);
-
- Direction d = LEFT;
- do {
- if (Note_head::has_interface (me->get_bound (d)))
- {
- Grob *stem = unsmob_grob (me->get_bound (d)->get_object ("stem"));
- if (get_grob_direction (stem) == dir
- && -d == dir)
- allow[d] = false;
- }
- } while (flip (&d) != LEFT);
-
- if (allow[LEFT] && allow[RIGHT])
- {
- *staff_position += dir;
- do
- {
- if (Note_head::has_interface (me->get_bound (d)))
- {
- Interval extent
- = robust_relative_extent (me->get_bound (d),
- common, X_AXIS);
-
- attachments[d] = extent.linear_combination (- 0.5 * d);
- *in_between = false;
- }
- }
- while (flip (&d) != LEFT);
- }
- }
-
- return attachments;
-}
-
-void
-Tie::get_configuration (Grob *me_grob,
- Tie_configuration *conf,
- Tie_formatting_problem const &problem)
-{
- Spanner *me = dynamic_cast<Spanner*> (me_grob);
- if (!head (me, LEFT) && !head (me, RIGHT))
- {
- programming_error ("tie without heads");
- me->suicide ();
- return ;
- }
-
- /*
- UGH. Don't mirror Tie_configuration.
- */
- conf->head_position_ = (int) Tie::get_position (me);
- if (!conf->dir_)
- conf->dir_ = get_grob_direction (me);
- if (!conf->dir_)
- conf->dir_ = get_default_dir (me);
-
- Real staff_space = problem.details_.staff_space_;
- bool in_between = true;
- Real gap = robust_scm2double (me->get_property ("x-gap"), 0.2);
-
- if (conf->attachment_x_.is_empty())
- {
-#if 0
- if (!skylines)
- conf->attachment_x_ = get_default_attachments (me, common, gap,
- &conf->position_,
- &in_between, problem.details_);
-#endif
- Real y = staff_space * 0.5 * conf->position_;
- conf->attachment_x_ = problem.get_attachment (y);
- conf->attachment_x_.widen (-gap);
- }
-
- Bezier b = slur_shape (conf->attachment_x_.length(),
- problem.details_.height_limit_,
- problem.details_.ratio_);
- b.scale (1, conf->dir_);
-
- Offset middle = b.curve_point (0.5);
- Offset edge = b.curve_point (0.0);
-
- conf->position_ = int (rint (conf->position_));
-
- Real dy = fabs (middle[Y_AXIS] - edge[Y_AXIS]);
- bool in_space = !(Staff_symbol_referencer::on_staffline (me, (int) conf->position_));
- bool fits_in_space =
- (dy < 0.6 * staff_space);
-
- /*
- Avoid dot
- */
- Grob *left_dot = unsmob_grob (me->get_bound (LEFT)->get_object ("dot"));
- int dot_pos = left_dot
- ? int (Staff_symbol_referencer::get_position (left_dot))
- : 0;
- if (left_dot
- && (conf->position_ == dot_pos
- || conf->position_ + conf->dir_ == dot_pos))
- {
- conf->position_ += conf->dir_;
- in_space = !in_space;
-
- if (conf->position_ == dot_pos)
- {
- conf->position_ += conf->dir_;
- in_space = !in_space;
- }
-
- Real y = staff_space * 0.5 * conf->position_;
- conf->attachment_x_ = problem.get_attachment (y);
- conf->attachment_x_.widen (-gap);
- Bezier b = slur_shape (conf->attachment_x_.length(),
- problem.details_.height_limit_,
- problem.details_.ratio_);
- Offset middle = b.curve_point (0.5);
- Offset edge = b.curve_point (0.0);
- dy = fabs (middle[Y_AXIS] - edge[Y_AXIS]);
- fits_in_space =
- (dy < 0.6 * staff_space);
- }
-
- /*
- Avoid flag.
- */
- Grob *left_stem = unsmob_grob (me->get_bound (LEFT)->get_object ("stem"));
- if (left_stem)
- {
- Stencil flag = Stem::get_translated_flag (left_stem);
- Real y = conf->position_ * staff_space * 0.5;
- if (flag.extent (Y_AXIS).contains (y))
- {
- conf->position_ += conf->dir_;
- in_space = !in_space;
- }
- }
-
- if (in_space != fits_in_space)
- {
- if (in_space)
- {
- conf->position_ += conf->dir_;
- }
- else
- {
- in_space = true;
- conf->position_ += conf->dir_;
- }
-
- /*
- ugh: code dup.
- */
- Real y = staff_space * 0.5 * conf->position_;
- conf->attachment_x_ = problem.get_attachment (y);
- conf->attachment_x_.widen (-gap);
-
- Bezier b = slur_shape (conf->attachment_x_.length(),
- problem.details_.height_limit_,
- problem.details_.ratio_);
- Offset middle = b.curve_point (0.5);
- Offset edge = b.curve_point (0.0);
- dy = fabs (middle[Y_AXIS] - edge[Y_AXIS]);
- fits_in_space =
- (dy < 0.6 * staff_space);
- }
-
-
- /*
- Putting larger in-space ties next to the notes forces
- the edges to be opposite (Y-wise) to the tie direction.
- */
- if (conf->position_ == conf->head_position_
- && in_space
- && Staff_symbol_referencer::staff_radius (me) > abs (conf->position_) / 2
- && dy > 0.3 * staff_space
- )
- {
- conf->position_ += 2 * conf->dir_;
- }
-
- if (!in_between
- && in_space
- && abs (conf->position_ - conf->head_position_) <= 1)
- {
- int amount = conf->dir_;
- if (sign (conf->position_) != conf->dir_
- || conf->position_ < Staff_symbol_referencer::staff_radius (me) * 2)
- amount *= 2;
-
- conf->position_ += amount;
- }
-
- if (in_space)
- {
- if ((sign (conf->position_) != conf->dir_
- || conf->position_ < Staff_symbol_referencer::staff_radius (me) * 2)
- &&
- ((abs (conf->position_ - conf->head_position_) <= 1
- && fabs (dy) < 0.45 * staff_space)
- || fabs (dy) < 0.6 * staff_space))
- {
- /*
- vertically center in space.
- */
- conf->center_tie_vertically (problem.details_);
- }
- else
- {
- conf->delta_y_ =
- conf->dir_ * staff_space * (- 0.3);
- }
- }
- else
- {
- Real where = 0.5 * conf->dir_;
-
- Real rounding_dy = (where - middle[Y_AXIS]);
- conf->delta_y_ = rounding_dy;
-
- if (conf->dir_ * (b.curve_point (0.0)[Y_AXIS]
- + conf->position_ * staff_space * 0.5
- + conf->delta_y_) <
- conf->dir_ * conf->head_position_ * 0.5 * staff_space)
- {
- if (Staff_symbol_referencer::staff_radius (me) > abs (conf->head_position_) / 2)
- conf->position_ += 2 * conf->dir_;
- else
- conf->position_ += conf->dir_;
- }
- }
-
-
- Real half_space = 0.5 * staff_space;
- Real y = conf->position_ * half_space;
-
- conf->attachment_x_ = problem.get_attachment (y);
- conf->attachment_x_.widen (-gap);
-}
-
void
Tie::set_default_control_points (Grob *me_grob)
Tie_details const &details
)
{
- Bezier b = conf.get_bezier (details);
- b.scale (1, conf.dir_);
- b.translate (Offset (conf.attachment_x_[LEFT]
- - me->relative_coordinate (common, X_AXIS),
- 0.5 * conf.position_ * details.staff_space_
- + conf.delta_y_
- ));
-
+ Bezier b = conf.get_transformed_bezier (details);
+ b.translate (Offset (- me->relative_coordinate (common, X_AXIS), 0));
+
SCM controls = SCM_EOL;
for (int i = 4; i--;)
{
/* properties */
+ "avoid-slur " // UGH.
"control-points "
"dash-fraction "
"dash-period "
+
projects / lilypond.git / blobdiff