source file of the GNU LilyPond music typesetter
- (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+
+#include "side-position-interface.hh"
+
#include <math.h> // ceil.
#include "note-head.hh"
-#include "side-position-interface.hh"
#include "warn.hh"
#include "warn.hh"
#include "dimensions.hh"
#include "group-interface.hh"
#include "directional-element-interface.hh"
#include "staff-symbol-referencer.hh"
+#include "string-convert.hh"
void
Side_position_interface::add_support (Grob*me, Grob*e)
Side_position_interface::aligned_on_support_extents (SCM element_smob, SCM axis)
{
Grob *me = unsmob_grob (element_smob);
- Axis a = (Axis) gh_scm2int (axis);
+ Axis a = (Axis) scm_to_int (axis);
return general_side_position (me, a, true);
}
-/*
- Puts the element next to the support, optionally taking in
- account the extent of the support.
-*/
+/* Put the element next to the support, optionally taking in
+ account the extent of the support. */
SCM
-Side_position_interface::general_side_position (Grob * me, Axis a, bool use_extents)
+Side_position_interface::general_side_position (Grob *me, Axis a, bool use_extents)
{
Real ss = Staff_symbol_referencer::staff_space (me);
SCM support = me->get_property ("side-support-elements");
Grob * st = Staff_symbol_referencer::get_staff_symbol (me);
bool include_staff = (st
&& a == Y_AXIS
- && gh_number_p (me->get_property ("staff-padding")));
+ && scm_is_number (me->get_property ("staff-padding")));
Interval dim;
if (include_staff)
dim = st->extent (common, Y_AXIS);
}
- for (SCM s = support; s != SCM_EOL; s = ly_cdr (s))
+ for (SCM s = support; s != SCM_EOL; s = scm_cdr (s))
{
- Grob * e = unsmob_grob (ly_car (s));
+ Grob *e = unsmob_grob (scm_car (s));
if (e)
if (use_extents)
dim.unite (e->extent (common, a));
}
if (dim.is_empty ())
- {
- dim = Interval (0,0);
- }
+ dim = Interval (0, 0);
Direction dir = Side_position_interface::get_direction (me);
- Real off = me->get_parent (a)->relative_coordinate (common, a);
- Real minimum_space = ss * robust_scm2double (me->get_property ("minimum-space"), -1);
+ Real off = me->get_parent (a)->relative_coordinate (common, a);
+ Real minimum_space = ss * robust_scm2double (me->get_property ("minimum-space"), -1);
Real total_off = dim.linear_combination (dir) - off;
total_off += dir * ss * robust_scm2double (me->get_property ("padding"), 0);
if (minimum_space >= 0
&& dir
&& total_off * dir < minimum_space)
- {
- total_off = minimum_space * dir;
- }
+ total_off = minimum_space * dir;
+ /* FIXME: 100CM should relate to paper size. */
if (fabs (total_off) > 100 CM)
- programming_error ("Huh ? Improbable staff side dim.");
-
-
-
-
- return gh_double2scm (total_off);
+ {
+ String msg
+ = String_convert::form_string ("Improbable offset for grob %s: %f%s",
+ me->name ().to_str0 (), total_off,
+ INTERNAL_UNIT);
+
+ programming_error (msg);
+ }
+ return scm_make_real (total_off);
}
/*
Side_position_interface::aligned_on_support_refpoints (SCM smob, SCM axis)
{
Grob *me = unsmob_grob (smob);
- Axis a = (Axis) gh_scm2int (axis);
+ Axis a = (Axis) scm_to_int (axis);
return general_side_position (me, a, false);
}
rp += d;
}
- return gh_double2scm ((rp - p) * Staff_symbol_referencer::staff_space (me) / 2.0);
+ return scm_make_real ((rp - p) * Staff_symbol_referencer::staff_space (me) / 2.0);
}
- return gh_double2scm (0.0);
+ return scm_make_real (0.0);
}
/*
Side_position_interface::aligned_side (SCM element_smob, SCM axis)
{
Grob *me = unsmob_grob (element_smob);
- Axis a = (Axis) gh_scm2int (axis);
+ Axis a = (Axis) scm_to_int (axis);
Direction d = Side_position_interface::get_direction (me);
- Real o = gh_scm2double (aligned_on_support_extents (element_smob,axis));
+ Real o = scm_to_double (aligned_on_support_extents (element_smob,axis));
Interval iv = me->extent (me, a);
*/
Grob * st = Staff_symbol_referencer::get_staff_symbol (me);
if (st && a == Y_AXIS
- && gh_number_p (me->get_property ("staff-padding")))
+ && scm_is_number (me->get_property ("staff-padding")))
{
- Real padding=
+ Real padding =
Staff_symbol_referencer::staff_space (me)
- * gh_scm2double (me->get_property ("staff-padding"));
+ * scm_to_double (me->get_property ("staff-padding"));
Grob *common = me->common_refpoint (st, Y_AXIS);
Interval staff_size = st->extent (common, Y_AXIS);
- Interval me_ext = me->extent (common, a);
Real diff = d*staff_size[d] + padding - d*(o + iv[-d]);
o += (d* (diff >? 0));
}
- return gh_double2scm (o);
+ return scm_make_real (o);
}
me->add_offset_callback (Side_position_interface::aligned_side_proc, a);
}
-
-
// ugh. doesn't catch all variants.
Axis
Side_position_interface::get_axis (Grob*me)
if (me->has_offset_callback (Side_position_interface::aligned_side_proc, X_AXIS)
|| me->has_offset_callback (Side_position_interface::aligned_side_proc , X_AXIS))
return X_AXIS;
-
return Y_AXIS;
}
-
-
ADD_INTERFACE (Side_position_interface,"side-position-interface",
"Position a victim object (this one) next to other objects (the "
- "support). In this case, the property @code{direction} signifies where to put the "
+ "support). The property @code{direction} signifies where to put the "
"victim object relative to the support (left or right, up or down?)\n\n "
"The routine also takes the size the staff into account if "
"@code{staff-padding} is set. If undefined, the staff symbol is ignored."
projects / lilypond.git / blobdiff