#include "dimensions.hh"
#include "dimension-cache.hh"
#include "staff-symbol-referencer.hh"
+#include "group-interface.hh"
Side_position_interface::Side_position_interface (Score_element const *e)
{
elt_l_ = (Score_element*)e;
}
-
void
Side_position_interface::add_support (Score_element*e)
{
- SCM sup = elt_l_->get_elt_property ("side-support");
- elt_l_->set_elt_property ("side-support",
- gh_cons (e->self_scm_,sup));
+ Pointer_group_interface (elt_l_, "side-support-elements").add_element (e);
}
relative_dir = to_dir (reldir);
}
- SCM other_elt = elt_l_->get_elt_property ("direction-source");
+ SCM other_elt = elt_l_->get_elt_pointer ("direction-source");
Score_element * e = unsmob_element(other_elt);
if (e)
{
*/
Real
-Side_position_interface::side_position (Dimension_cache const * c)
+Side_position_interface::side_position (Score_element const *cme, Axis axis)
{
- Score_element * me = (c->element_l ());
-
- Interval dim;
- Axis axis = c->axis ();
+ Score_element* me = (Score_element*)cme;
Score_element *common = me->parent_l (axis);
- SCM support = me->get_elt_property ("side-support");
+ SCM support = me->get_elt_pointer ("side-support-elements");
for (SCM s = support; s != SCM_EOL; s = gh_cdr (s))
{
- Score_element * e = unsmob_element ( gh_car (s));
+ Score_element * e = unsmob_element (gh_car (s));
if (e)
common = common->common_refpoint (e, axis);
}
+ Interval dim;
for (SCM s = support; s != SCM_EOL; s = gh_cdr (s))
{
dim = Interval(0,0);
}
- Real off = me->parent_l (axis)->relative_coordinate (common, axis);
-
-
Direction dir = Side_position_interface (me).get_direction ();
- SCM pad = me->remove_elt_property ("padding");
- if (gh_number_p (pad))
+ Real off = me->parent_l (axis)->relative_coordinate (common, axis);
+ SCM minimum = me->remove_elt_property ("minimum-space");
+
+ Real total_off = dim[dir] + off;
+ SCM padding = me->remove_elt_property ("padding");
+ if (gh_number_p (padding))
{
- off += gh_scm2double (pad) * dir;
+ total_off += gh_scm2double (padding) * dir;
+ }
+ if (gh_number_p (minimum) && total_off * dir < gh_scm2double (minimum))
+ {
+ total_off = gh_scm2double (minimum) * dir;
}
- Real total_off = dim[dir] + off;
-
if (fabs (total_off) > 100 CM)
programming_error ("Huh ? Improbable staff side dim.");
callback that centers the element on itself
*/
Real
-Side_position_interface::aligned_on_self (Dimension_cache const *c)
+Side_position_interface::aligned_on_self (Score_element const*elm, Axis ax)
{
String s ("self-alignment-");
- Axis ax = c->axis ();
+
s += (ax == X_AXIS) ? "X" : "Y";
- Score_element *elm = c->element_l ();
+
SCM align (elm->get_elt_property (s));
if (isdir_b (align))
{
Direction d = to_dir (align);
Interval ext(elm->extent (ax));
- if (d)
+
+ if (ext.empty_b ())
+ {
+ programming_error ("I'm empty. Can't align on self");
+ return 0.0;
+ }
+ else if (d)
{
return - ext[d];
}
return 0.0;
}
+
+
Real
directed_round (Real f, Direction d)
{
Callback that quantises in staff-spaces, rounding in the direction
of the elements "direction" elt property. */
Real
-Side_position_interface::quantised_position (Dimension_cache const *c)
+Side_position_interface::quantised_position (Score_element const *me, Axis a)
{
- Score_element * me = (c->element_l ());
Side_position_interface s(me);
Direction d = s.get_direction ();
Staff_symbol_referencer_interface si (me);
Position next to support, taking into account my own dimensions and padding.
*/
Real
-Side_position_interface::aligned_side (Dimension_cache const *c)
+Side_position_interface::aligned_side (Score_element const*me, Axis ax)
{
- Score_element * me = (c->element_l ());
Side_position_interface s(me);
Direction d = s.get_direction ();
- Axis ax = c->axis ();
- Real o = side_position (c);
+ Real o = side_position (me,ax);
Interval iv = me->extent (ax);
Position centered on parent.
*/
Real
-Side_position_interface::centered_on_parent (Dimension_cache const *c)
+Side_position_interface::centered_on_parent (Score_element const* me, Axis a)
{
-
- Score_element *me = c->element_l ();
- Axis a = c->axis ();
Score_element *him = me->parent_l (a);
return him->extent (a).center ();
Side_position_interface::set_axis (Axis a)
{
// prop transparent ?
- if (elt_l_->get_elt_property ("side-support") == SCM_UNDEFINED)
- elt_l_->set_elt_property ("side-support" ,SCM_EOL);
+ if (elt_l_->get_elt_pointer ("side-support-elements") == SCM_UNDEFINED)
+ elt_l_->set_elt_pointer ("side-support-elements" ,SCM_EOL);
- elt_l_->add_offset_callback (aligned_side, a);
+ if (!elt_l_->has_offset_callback_b (aligned_side, a))
+ elt_l_->add_offset_callback (aligned_side, a);
}
elt_l_->set_elt_property ("direction", gh_int2scm (d));
}
+void
+Side_position_interface::set_minimum_space (Real m)
+{
+ elt_l_->set_elt_property ("minimum-space", gh_double2scm (m));
+}
+
+void
+Side_position_interface::set_padding (Real p)
+{
+ elt_l_->set_elt_property ("padding", gh_double2scm (p));
+}
+
bool
Side_position_interface::has_interface_b () const
{
- return elt_l_->get_elt_property ("side-support") != SCM_UNDEFINED;
+ return elt_l_->get_elt_pointer ("side-support-elements") != SCM_UNDEFINED;
}
bool
Side_position_interface::supported_b () const
{
- SCM s =elt_l_->get_elt_property ("side-support");
+ SCM s =elt_l_->get_elt_pointer ("side-support-elements");
return s != SCM_UNDEFINED && s != SCM_EOL;
}
-Side_position_interface
-side_position (Score_element* e)
-{
- Side_position_interface si (e);
- return si;
-}
projects / lilypond.git / blobdiff