CVSROOT: /cvsroot/lilypond
Module name: lilypond
Branch:
Changes by: Han-Wen Nienhuys <[EMAIL PROTECTED]> 05/10/03 11:15:56
Modified files:
lily : align-interface.cc lily-guile.cc
lily/include : align-interface.hh lily-guile.hh
Log message:
* lily/align-interface.cc (stretch_after_break): new
function. Read fixed-alignment-extra-space property.
(align_elements_to_extents): read alignment-extra-space property.
* lily/lily-guile.cc (robust_scm2dir): new function.
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/lilypond/lilypond/lily/align-interface.cc.diff?tr1=1.82&tr2=1.83&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/lilypond/lilypond/lily/lily-guile.cc.diff?tr1=1.224&tr2=1.225&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/lilypond/lilypond/lily/include/align-interface.hh.diff?tr1=1.23&tr2=1.24&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/lilypond/lilypond/lily/include/lily-guile.hh.diff?tr1=1.165&tr2=1.166&r1=text&r2=text
Patches:
Index: lilypond/lily/align-interface.cc
diff -u lilypond/lily/align-interface.cc:1.82
lilypond/lily/align-interface.cc:1.83
--- lilypond/lily/align-interface.cc:1.82 Mon Sep 12 12:46:48 2005
+++ lilypond/lily/align-interface.cc Mon Oct 3 11:15:55 2005
@@ -42,6 +42,44 @@
/*
merge with align-to-extents?
*/
+MAKE_SCHEME_CALLBACK(Align_interface, stretch_after_break, 1)
+SCM
+Align_interface::stretch_after_break (SCM grob)
+{
+ Grob *me = unsmob_grob (grob);
+
+ Spanner *me_spanner = dynamic_cast<Spanner *> (me);
+ extract_grob_set (me, "elements", elems);
+ if (me_spanner && elems.size ())
+ {
+ Grob *common = common_refpoint_of_array (elems, me, Y_AXIS);
+
+ /* force position callbacks */
+ for (int i = 0; i < elems.size (); i++)
+ elems[i]->relative_coordinate (common, Y_AXIS);
+
+ SCM details = me_spanner->get_bound (LEFT)->get_property
("line-break-system-details");
+ SCM extra_space_handle = scm_assoc (ly_symbol2scm
("fixed-alignment-extra-space"), details);
+
+ Real extra_space = robust_scm2double (scm_is_pair (extra_space_handle)
+ ? scm_cdr (extra_space_handle)
+ : SCM_EOL,
+ 0.0);
+
+ Direction stacking_dir = robust_scm2dir (me->get_property
("stacking-dir"),
+ DOWN);
+
+ Real delta = extra_space / elems.size();
+ for (int i = 0; i < elems.size (); i++)
+ elems[i]->translate_axis (i * delta, Y_AXIS);
+ }
+
+ return SCM_UNSPECIFIED;
+}
+
+/*
+ merge with align-to-extents?
+*/
void
Align_interface::align_to_fixed_distance (Grob *me, Axis a)
{
@@ -73,8 +111,6 @@
force_hara_kiri_callback () (extent and offset callback) is
such that we might get into a loop if we call extent () or
offset () the elements.
-
-
*/
if (a == Y_AXIS
&& Hara_kiri_group_spanner::has_interface (elems[j]))
@@ -116,14 +152,26 @@
void
Align_interface::align_elements_to_extents (Grob *me, Axis a)
{
+ Real extra_space = 0.0;
Spanner *me_spanner = dynamic_cast<Spanner *> (me);
if (a == Y_AXIS
- && me_spanner
- && me_spanner->get_bound (LEFT)->break_status_dir () == CENTER)
- me_spanner->warning (_ ("vertical alignment called before line-breaking.
Only do cross-staff spanners with PianoStaff."));
-
+ && me_spanner)
+ {
+ if (me_spanner->get_bound (LEFT)->break_status_dir () == CENTER)
+ me->warning (_ ("vertical alignment called before line-breaking. "
+ "Only do cross-staff spanners with PianoStaff."));
+
+ SCM details = me_spanner->get_bound (LEFT)->get_property
("line-break-system-details");
+ SCM extra_space_handle = scm_assoc (ly_symbol2scm
("alignment-extra-space"), details);
+
+ extra_space = robust_scm2double (scm_is_pair (extra_space_handle)
+ ? scm_cdr (extra_space_handle)
+ : SCM_EOL,
+ extra_space);
+ }
+
me->set_property ("positioning-done", SCM_BOOL_T);
-
+
SCM d = me->get_property ("stacking-dir");
Direction stacking_dir = scm_is_number (d) ? to_dir (d) : CENTER;
@@ -156,19 +204,13 @@
prevent ugly cyclic dependencies that arise when you combine
self-alignment on a child with alignment of children.
*/
- static SCM prop_syms[2];
-
- if (!prop_syms[0])
- {
- prop_syms[X_AXIS] = ly_symbol2scm ("self-alignment-X");
- prop_syms[Y_AXIS] = ly_symbol2scm ("self-alignment-Y");
- }
-
- SCM align (me->internal_get_property (prop_syms[a]));
+ SCM align ((a == X_AXIS)
+ ? me->get_property ("self-alignment-X")
+ : me->get_property ("self-alignment-Y"));
Array<Real> translates;
Interval total;
- Real where_f = 0;
+ Real where = 0;
for (int j = 0; j < elems.size (); j++)
{
@@ -183,12 +225,13 @@
if (j)
dy = min (max (dy, threshold[SMALLER]), threshold[BIGGER]);
- where_f += stacking_dir * dy;
- total.unite (dims[j] + where_f);
- translates.push (where_f);
+ where += stacking_dir * (dy + extra_space / elems.size ());
+ total.unite (dims[j] + where);
+ translates.push (where);
}
Real center_offset = 0.0;
+
/*
also move the grobs that were empty, to maintain spatial order.
*/
@@ -266,9 +309,17 @@
}
ADD_INTERFACE (Align_interface, "align-interface",
- "Order grobs from top to bottom, left to right, right to left or
bottom"
+ "Order grobs from top to bottom, left to right, right to left or
bottom "
"to top.",
- "forced-distance stacking-dir align-dir threshold
positioning-done "
+
+ /*
+ properties
+ */
+ "forced-distance "
+ "stacking-dir "
+ "align-dir "
+ "threshold "
+ "positioning-done "
"elements axes");
struct Foobar
Index: lilypond/lily/include/align-interface.hh
diff -u lilypond/lily/include/align-interface.hh:1.23
lilypond/lily/include/align-interface.hh:1.24
--- lilypond/lily/include/align-interface.hh:1.23 Thu Mar 10 14:36:12 2005
+++ lilypond/lily/include/align-interface.hh Mon Oct 3 11:15:56 2005
@@ -16,6 +16,7 @@
{
DECLARE_SCHEME_CALLBACK (alignment_callback, (SCM element, SCM axis));
DECLARE_SCHEME_CALLBACK (fixed_distance_alignment_callback, (SCM element,
SCM axis));
+ DECLARE_SCHEME_CALLBACK (stretch_after_break, (SCM element));
static void align_to_fixed_distance (Grob *, Axis a);
static void align_elements_to_extents (Grob *, Axis a);
static void set_axis (Grob *, Axis);
Index: lilypond/lily/include/lily-guile.hh
diff -u lilypond/lily/include/lily-guile.hh:1.165
lilypond/lily/include/lily-guile.hh:1.166
--- lilypond/lily/include/lily-guile.hh:1.165 Mon Aug 22 15:50:37 2005
+++ lilypond/lily/include/lily-guile.hh Mon Oct 3 11:15:56 2005
@@ -51,6 +51,7 @@
Real robust_scm2double (SCM, double);
int robust_scm2int (SCM, int);
+Direction robust_scm2dir (SCM, Direction);
Drul_array<Real> robust_scm2drul (SCM, Drul_array<Real>);
Interval robust_scm2interval (SCM, Drul_array<Real>);
Offset robust_scm2offset (SCM, Offset);
Index: lilypond/lily/lily-guile.cc
diff -u lilypond/lily/lily-guile.cc:1.224 lilypond/lily/lily-guile.cc:1.225
--- lilypond/lily/lily-guile.cc:1.224 Mon Sep 12 23:33:24 2005
+++ lilypond/lily/lily-guile.cc Mon Oct 3 11:15:55 2005
@@ -613,6 +613,14 @@
return x;
}
+Direction
+robust_scm2dir (SCM d, Direction def)
+{
+ if (is_direction (d))
+ def = to_dir (d);
+ return def;
+}
+
Interval
robust_scm2interval (SCM k, Drul_array<Real> v)
{
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