source file of the GNU LilyPond music typesetter
- (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2004--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "self-alignment-interface.hh"
+
#include "warn.hh"
+#include "paper-column.hh"
+#include "grob.hh"
MAKE_SCHEME_CALLBACK (Self_alignment_interface, y_aligned_on_self, 1);
SCM
{
Interval ext (me->extent (me, a));
if (ext.is_empty ())
- programming_error ("can't align on self: empty element");
+ programming_error ("cannot align on self: empty element");
else
return scm_from_double (- ext.linear_combination (scm_to_double (align)));
}
Self_alignment_interface::aligned_on_parent (Grob *me, Axis a)
{
Grob *him = me->get_parent (a);
+ if (Paper_column::has_interface (him))
+ return scm_from_double (0.0);
+
Interval he = him->extent (him, a);
SCM sym = (a == X_AXIS) ? ly_symbol2scm ("self-alignment-X")
Interval ext (me->extent (me, a));
if (ext.is_empty ())
- programming_error ("can't align on self: empty element");
+ programming_error ("cannot align on self: empty element");
else
x -= ext.linear_combination (align);
a);
}
-ADD_INTERFACE (Self_alignment_interface, "self-alignment-interface",
- "Position this object on itself and/or on its parent. To this end, the following functions "
- " are provided: \n"
- "@table @code \n"
+ADD_INTERFACE (Self_alignment_interface,
+ "Position this object on itself and/or on its parent. To this"
+ " end, the following functions are provided:\n"
+ "\n"
+ "@table @code\n"
"@item Self_alignment_interface::[xy]_aligned_on_self\n"
- " Align self on reference point, using @code{self-alignment-X} and "
- "@code{self-alignment-Y}."
+ "Align self on reference point, using"
+ " @code{self-alignment-X} and @code{self-alignment-Y}."
"@item Self_alignment_interface::aligned_on_[xy]_parent\n"
"@item Self_alignment_interface::centered_on_[xy]_parent\n"
- " Shift the object so its own reference point is centered on the "
- " extent of the parent \n"
+ "Shift the object so its own reference point is centered on"
+ " the extent of the parent\n"
"@end table\n",
-
- /* porperties */
+ /* properties */
"self-alignment-X "
- "self-X-offset "
- "self-Y-offset "
- "self-alignment-Y ");
+ "self-alignment-Y "
+ );