source file of the GNU LilyPond music typesetter
- (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2007 Jan Nieuwenhuizen <janneke@gnu.org>
- Revised over good by Han-Wen.
+ Revised over good by Han-Wen.
*/
-#include "stencil.hh"
-#include "text-item.hh"
#include "text-spanner.hh"
+
+#include "text-interface.hh"
#include "line-spanner.hh"
#include "spanner.hh"
#include "font-interface.hh"
TODO: this function is too long
*/
SCM
-Text_spanner::print (SCM smob)
+Text_spanner::print (SCM smob)
{
- Grob *me= unsmob_grob (smob);
- Spanner *spanner = dynamic_cast<Spanner*> (me);
-
+ Grob *me = unsmob_grob (smob);
+ Spanner *spanner = dynamic_cast<Spanner *> (me);
+
/* Ugh, must be same as Hairpin::print. */
Grob *common = spanner->get_bound (LEFT)->common_refpoint (spanner->get_bound (RIGHT), X_AXIS);
- Output_def * paper = me->get_paper ();
+ Output_def *layout = me->layout ();
SCM flare = me->get_property ("bracket-flare");
SCM shorten = me->get_property ("shorten-pair");
span_points[d] = b->relative_coordinate (common, X_AXIS);
}
else
- {
- Real encl = robust_scm2double (me->get_property ("enclose-bounds"), 0.0);
- span_points[d] = b->extent (common, X_AXIS).linear_combination (d * encl);
-
- if (is_number_pair (shorten))
- span_points -= d * ly_scm2double (index_get_cell (shorten, d));
- }
-
+ {
+ Real encl = robust_scm2double (me->get_property ("enclose-bounds"), 0.0);
+ Interval ext = b->extent (common, X_AXIS);
+
+ span_points[d]
+ = robust_relative_extent (b, common, X_AXIS).linear_combination (d * encl);
+
+ if (is_number_pair (shorten))
+ span_points -= d * scm_to_double (index_get_cell (shorten, d));
+ }
+
if (is_number_pair (flare))
- span_points -= d * ly_scm2double (index_get_cell (flare, d));
+ span_points -= d * scm_to_double (index_get_cell (flare, d));
}
while (flip (&d) != LEFT);
-
SCM properties = Font_interface::text_font_alist_chain (me);
SCM edge_text = me->get_property ("edge-text");
Drul_array<Stencil> edge;
- if (ly_c_pair_p (edge_text))
+ if (scm_is_pair (edge_text))
{
Direction d = LEFT;
do
{
if (broken[d])
continue;
-
+
SCM text = index_get_cell (edge_text, d);
- if (Text_item::markup_p (text))
- edge[d] = *unsmob_stencil (Text_item::interpret_markup (paper->self_scm (), properties, text));
-
+ if (Text_interface::is_markup (text))
+ edge[d] = *unsmob_stencil (Text_interface::interpret_markup (layout->self_scm (), properties, text));
+
if (!edge[d].is_empty ())
edge[d].align_to (Y_AXIS, CENTER);
}
while (flip (&d) != LEFT);
}
-
+
Drul_array<Real> edge_height = robust_scm2interval (me->get_property ("edge-height"),
Interval (0.0, 0.0));
Drul_array<Stencil> edge_line;
- {
- Direction d = LEFT;
- int dir = to_dir (me->get_property ("direction"));
- do
- {
- if (broken[d])
- continue;
-
- Real dx = 0.0;
- if (is_number_pair (flare))
- dx = ly_scm2double (index_get_cell (flare, d)) * d;
-
- Real dy = - dir * edge_height[d] ;
- if (dy)
- edge_line[d] = Line_spanner::line_stencil (me, Offset (0,0), Offset (dx, dy));
- }
- while (flip (&d) != LEFT);
- }
-
+ {
+ Direction d = LEFT;
+ int dir = to_dir (me->get_property ("direction"));
+ do
+ {
+ if (broken[d])
+ continue;
+
+ Real dx = 0.0;
+ if (is_number_pair (flare))
+ dx = scm_to_double (index_get_cell (flare, d)) * d;
+
+ Real dy = -dir * edge_height[d];
+ if (dy)
+ edge_line[d] = Line_spanner::line_stencil (me, Offset (0, 0), Offset (dx, dy));
+ }
+ while (flip (&d) != LEFT);
+ }
+
Stencil m;
do
{
Interval ext = edge[d].extent (X_AXIS);
if (!ext.is_empty ())
{
+ Real pad = robust_scm2double (me->get_property ("bound-padding"), 0.0);
edge[d].translate_axis (span_points[d], X_AXIS);
m.add_stencil (edge[d]);
- span_points[d] += -d * ext[-d];
+ span_points[d] += -d * (ext[-d] + pad);
}
}
while (flip (&d) != LEFT);
+
do
{
- if (d* span_points[d] > d * edge[-d].extent (X_AXIS)[d])
+ if (d * span_points[d] > d * edge[-d].extent (X_AXIS)[d])
{
edge_line[d].translate_axis (span_points[d], X_AXIS);
m.add_stencil (edge_line[d]);
}
while (flip (&d) != LEFT);
- if (!span_points.is_empty ())
+
+ if (!span_points.is_empty ()
+ && span_points.length () > robust_scm2double (me->get_property ("dash-period"), 0.0))
{
- Stencil l =Line_spanner::line_stencil (me, Offset (span_points[LEFT], 0),
- Offset (span_points[RIGHT], 0));
+ Stencil l = Line_spanner::line_stencil (me,
+ Offset (span_points[LEFT], 0),
+ Offset (span_points[RIGHT], 0));
m.add_stencil (l);
}
m.translate_axis (- me->relative_coordinate (common, X_AXIS), X_AXIS);
return m.smobbed_copy ();
}
-ADD_INTERFACE (Text_spanner,"text-spanner-interface",
+ADD_INTERFACE (Text_spanner,
+
"generic text spanner",
- "dash-period if-text-padding dash-fraction edge-height bracket-flare edge-text shorten-pair style thickness enclose-bounds");
+
+ "bound-padding "
+ "bracket-flare "
+ "dash-fraction "
+ "dash-period "
+ "edge-height "
+ "edge-text "
+ "enclose-bounds "
+ "shorten-pair "
+ "style "
+ "thickness "
+ );