Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "grob.hh"
-
-#include "warn.hh"
+#include "warn.hh" // error()
#include "item.hh"
#include "output-def.hh"
#include "system.hh"
#include "font-interface.hh"
-
-
+#include "paper-score.hh"
+#include "grob-array.hh"
LY_DEFINE (ly_grob_property_data, "ly:grob-property-data",
2, 0, 0, (SCM grob, SCM sym),
- //, SCM dfault),
"Retrieve @var{sym} for @var{grob} but don't process callbacks.")
{
Grob *sc = unsmob_grob (grob);
SCM_ASSERT_TYPE (sc, grob, SCM_ARG1, __FUNCTION__, "grob");
SCM_ASSERT_TYPE (scm_is_symbol (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
- // SCM_ASSERT_TYPE (ly_is_procedure (proc), proc, SCM_ARG3, __FUNCTION__, "procedure");
return sc->get_property_data (sym);
}
&& !type_check_assignment (sym, val, ly_symbol2scm ("backend-type?")))
error ("typecheck failed");
- sc->internal_set_property (sym, val);
+ sc->set_property (sym, val);
return SCM_UNSPECIFIED;
}
LY_DEFINE (ly_grob_property, "ly:grob-property",
- 2, 0, 0, (SCM grob, SCM sym),
+ 2, 1, 0, (SCM grob, SCM sym, SCM deflt),
"Return the value of a value in grob @var{g} of property @var{sym}. "
- "It will return @code{'()} (end-of-list) "
+ "It will return @code{'()} or @var{deflt} (if specified) "
"if @var{sym} is undefined in @var{g}."
"\n\n")
{
Grob *sc = unsmob_grob (grob);
SCM_ASSERT_TYPE (sc, grob, SCM_ARG1, __FUNCTION__, "grob");
SCM_ASSERT_TYPE (scm_is_symbol (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
-
- return sc->internal_get_property (sym);
+ if (deflt == SCM_UNDEFINED)
+ deflt = SCM_EOL;
+
+ SCM retval = sc->internal_get_property (sym);
+ if (retval == SCM_EOL)
+ retval = deflt;
+
+ return retval;
}
LY_DEFINE (ly_grob_interfaces, "ly:grob-interfaces",
1, 0, 0, (SCM grob),
- "Return the interfaces list of grob @var{grob}.")
+ "Return the interfaces list of grob @var{grob}.")
{
Grob *sc = unsmob_grob (grob);
SCM_ASSERT_TYPE (sc, grob, SCM_ARG1, __FUNCTION__, "grob");
{
Grob *sc = unsmob_grob (grob);
Grob *ref = unsmob_grob (refp);
+
SCM_ASSERT_TYPE (sc, grob, SCM_ARG1, __FUNCTION__, "grob");
SCM_ASSERT_TYPE (ref, refp, SCM_ARG2, __FUNCTION__, "grob");
SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
- return ly_interval2scm (sc->extent (ref, Axis (scm_to_int (axis))));
+ Axis a = Axis (scm_to_int (axis));
+
+
+ if (ref->common_refpoint (sc, a) != ref)
+ {
+ // ugh. should use other error message
+ SCM_ASSERT_TYPE (false, refp, SCM_ARG2, __FUNCTION__, "common refpoint");
+ }
+ return ly_interval2scm (sc->extent (ref, a));
}
+LY_DEFINE (ly_grob_robust_relative_extent, "ly:grob-robust-relative-extent",
+ 3, 0, 0, (SCM grob, SCM refp, SCM axis),
+ "Get the extent in @var{axis} direction of @var{grob} relative to "
+ "the grob @var{refp}, or (0,0) if empty")
+{
+ Grob *sc = unsmob_grob (grob);
+ Grob *ref = unsmob_grob (refp);
+
+ SCM_ASSERT_TYPE (sc, grob, SCM_ARG1, __FUNCTION__, "grob");
+ SCM_ASSERT_TYPE (ref, refp, SCM_ARG2, __FUNCTION__, "grob");
+ SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
+
+ Axis a = Axis (scm_to_int (axis));
+
+ if (ref->common_refpoint (sc, a) != ref)
+ {
+ // ugh. should use other error message
+ SCM_ASSERT_TYPE (false, refp, SCM_ARG2, __FUNCTION__, "common refpoint");
+ }
+
+ return ly_interval2scm (robust_relative_extent (sc, ref, a));
+}
+
+LY_DEFINE (ly_grob_relative_coordinate, "ly:grob-relative-coordinate",
+ 3, 0, 0, (SCM grob, SCM refp, SCM axis),
+ "Get the coordinate in @var{axis} direction of @var{grob} relative to "
+ "the grob @var{refp}")
+{
+ Grob *sc = unsmob_grob (grob);
+ Grob *ref = unsmob_grob (refp);
+
+ SCM_ASSERT_TYPE (sc, grob, SCM_ARG1, __FUNCTION__, "grob");
+ SCM_ASSERT_TYPE (ref, refp, SCM_ARG2, __FUNCTION__, "grob");
+ SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
+
+ Axis a = Axis (scm_to_int (axis));
+
+
+ if (ref->common_refpoint (sc, a) != ref)
+ {
+ // ugh. should use other error message
+ SCM_ASSERT_TYPE (false, refp, SCM_ARG2, __FUNCTION__, "common refpoint");
+ }
+
+ return scm_from_double (sc->relative_coordinate (ref,a));
+}
+
+
LY_DEFINE (ly_grob_parent, "ly:grob-parent",
2, 0, 0, (SCM grob, SCM axis),
"Get the parent of @var{grob}. @var{axis} is 0 for the X-axis, "
SCM_ASSERT_TYPE (me, spanner, SCM_ARG1, __FUNCTION__, "spanner");
SCM s = SCM_EOL;
- for (int i = me->broken_intos_.size (); i--;)
+ for (vsize i = me->broken_intos_.size (); i--;)
s = scm_cons (me->broken_intos_[i]->self_scm (), s);
return s;
}
{
Grob *me = unsmob_grob (grob);
SCM_ASSERT_TYPE (me, grob, SCM_ARG1, __FUNCTION__, "Grob");
- return me->key ()->self_scm ();
+
+ return me->key () ? me->key ()->self_scm () : SCM_EOL;
}
LY_DEFINE (ly_grob_default_font, "ly:grob-default-font",
return Font_interface::get_default_font (gr)->self_scm ();
}
+
+
+/*
+ TODO: consider swapping order, so we can do
+
+ (grob-common-refpoint a b c d e)
+ */
+LY_DEFINE (ly_grob_common_refpoint, "ly:grob-common-refpoint",
+ 3, 0, 0, (SCM grob, SCM other, SCM axis),
+ "Find the common refpoint of @var{grob} and @var{other} for @var{axis}."
+ )
+{
+
+ Grob *gr = unsmob_grob (grob);
+ SCM_ASSERT_TYPE (gr, grob, SCM_ARG1, __FUNCTION__, "grob");
+
+ Grob *o = unsmob_grob (other);
+ SCM_ASSERT_TYPE (o, other, SCM_ARG2, __FUNCTION__, "grob");
+
+ SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
+
+ Grob *refp = gr->common_refpoint (o, Axis (scm_to_int (axis)));
+ return refp ? refp->self_scm () : SCM_BOOL_F;
+}
+
+LY_DEFINE (ly_grob_common_refpoint_of_array, "ly:grob-common-refpoint-of-array",
+ 3, 0, 0, (SCM grob, SCM others, SCM axis),
+ "Find the common refpoint of @var{grob} and @var{others} "
+ "(a grob-array) for @var{axis}."
+ )
+{
+ Grob *gr = unsmob_grob (grob);
+ SCM_ASSERT_TYPE (gr, grob, SCM_ARG1, __FUNCTION__, "grob");
+
+ Grob_array *ga = unsmob_grob_array (others);
+ SCM_ASSERT_TYPE (ga, others, SCM_ARG2, __FUNCTION__, "grob array");
+ SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
+
+ Grob *refp = common_refpoint_of_array (ga->array (), gr, Axis (scm_to_int (axis)));
+ return refp ? refp->self_scm () : SCM_BOOL_F;
+}