-/*
- system-start-delimiter.cc -- implement System_start_delimiter
-
+/*
+ system-start-delimiter.cc -- implement System_start_delimiter
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+
+#include "system-start-delimiter.hh"
+
#include <math.h>
+#include "spanner.hh"
#include "axis-group-interface.hh"
-#include "system-start-delimiter.hh"
-#include "paper-def.hh"
-#include "stencil.hh"
+#include "output-def.hh"
#include "font-interface.hh"
#include "all-font-metrics.hh"
-#include "grob.hh"
#include "staff-symbol-referencer.hh"
#include "lookup.hh"
Stencil
-System_start_delimiter::staff_bracket (Grob*me,Real height)
+System_start_delimiter::staff_bracket (Grob *me, Real height)
{
- Real arc_height = ly_scm2double (me->get_property ("arch-height")) ;
-
+ Real arc_height = scm_to_double (me->get_property ("arch-height"));
+
SCM at = scm_list_n (ly_symbol2scm ("bracket"),
- me->get_property ("arch-angle"),
- me->get_property ("arch-width"),
- scm_make_real (arc_height),
- scm_make_real (height),
- me->get_property ("arch-thick"),
- me->get_property ("thickness"),
- SCM_UNDEFINED);
+ me->get_property ("arch-angle"),
+ me->get_property ("arch-width"),
+ scm_make_real (arc_height),
+ scm_make_real (height),
+ me->get_property ("arch-thick"),
+ me->get_property ("thickness"),
+ SCM_UNDEFINED);
-/*
-TODO: sort this out.
-
-Another thing:
-In system-start-delimiter.cc I see the line
+ /*
+ TODO: sort this out.
- Real h = height + 2 * arc_height;
+ Another thing:
+ In system-start-delimiter.cc I see the line
+
+ Real h = height + 2 * arc_height;
-But I really think that you mean
+ But I really think that you mean
- Real h = height + 2 * arc_width;
+ Real h = height + 2 * arc_width;
-(arc_height changes the x-axis-size of arc ; arc_width changes the
-y-axis-size)
-Will not fix it since I'm not sure.
-
- */
+ (arc_height changes the x-axis-size of arc ; arc_width changes the
+ y-axis-size)
+ Will not fix it since I'm not sure.
+
+ */
Real h = height + 2 * arc_height;
- Box b (Interval (0, 1.5), Interval (-h/2, h/2));
+ Box b (Interval (0, 1.5), Interval (-h / 2, h / 2));
Stencil mol (b, at);
mol.align_to (X_AXIS, CENTER);
return mol;
}
-
-
Stencil
-System_start_delimiter::simple_bar (Grob*me,Real h)
+System_start_delimiter::simple_bar (Grob *me, Real h)
{
- Real lt =me->get_paper ()->get_dimension (ly_symbol2scm ("linethickness")) ;
+ Real lt = me->get_layout ()->get_dimension (ly_symbol2scm ("linethickness"));
Real w = lt * robust_scm2double (me->get_property ("thickness"), 1);
- return Lookup::round_filled_box (Box (Interval (0,w), Interval (-h/2, h/2)),
+ return Lookup::round_filled_box (Box (Interval (0, w), Interval (-h / 2, h / 2)),
lt);
}
-MAKE_SCHEME_CALLBACK (System_start_delimiter,after_line_breaking,1);
+MAKE_SCHEME_CALLBACK (System_start_delimiter, after_line_breaking, 1);
SCM
System_start_delimiter::after_line_breaking (SCM smob)
{
- Grob * me = unsmob_grob (smob);
- SCM gl = me->get_property ("glyph");
- if (is_equal (gl,scm_makfrom0str ("bar-line")))
+ Grob *me = unsmob_grob (smob);
+ SCM gl = me->get_property ("glyph");
+ if (ly_c_equal_p (gl, scm_makfrom0str ("bar-line")))
{
int count = 0;
/*
- Get all coordinates, to trigger Hara kiri.
+ Get all coordinates, to trigger Hara kiri.
*/
SCM elts = me->get_property ("elements");
Grob *common = common_refpoint_of_list (elts, me, Y_AXIS);
- for (SCM s = elts; ly_c_pair_p (s); s = ly_cdr (s))
+ for (SCM s = elts; scm_is_pair (s); s = scm_cdr (s))
{
- Interval v = unsmob_grob (ly_car (s))->extent (common, Y_AXIS);
+ Interval v = unsmob_grob (scm_car (s))->extent (common, Y_AXIS);
if (!v.is_empty ())
- count ++;
+ count++;
}
-
-
- if (count <= 1)
+
+ if (count <= 1)
{
me->suicide ();
}
return SCM_UNSPECIFIED;
}
-
-MAKE_SCHEME_CALLBACK (System_start_delimiter,print,1);
+MAKE_SCHEME_CALLBACK (System_start_delimiter, print, 1);
SCM
System_start_delimiter::print (SCM smob)
{
- Grob * me = unsmob_grob (smob);
+ Spanner *me = unsmob_spanner (smob);
+ if (!me)
+ return SCM_EOL;
SCM s = me->get_property ("glyph");
- if (!ly_c_string_p (s))
+ if (!scm_is_string (s))
return SCM_EOL;
- SCM gsym = scm_string_to_symbol (s) ;
-
+ SCM gsym = scm_string_to_symbol (s);
+
Real staff_space = Staff_symbol_referencer::staff_space (me);
- Interval ext = ly_scm2interval (Axis_group_interface::group_extent_callback
- (me->self_scm (), scm_int2num (Y_AXIS)));
- Real l = ext.length () / staff_space;
-
+
+ SCM elts = me->get_property ("elements");
+ Grob *common = common_refpoint_of_list (elts, me, Y_AXIS);
+
+ Interval ext;
+ for (SCM s = elts; scm_is_pair (s); s = scm_cdr (s))
+ {
+ Spanner *sp = unsmob_spanner (scm_car (s));
+ if (sp
+ && sp->get_bound (LEFT) == me->get_bound (LEFT))
+ {
+ Interval dims = sp->extent (common, Y_AXIS);
+ if (!dims.is_empty ())
+ ext.unite (dims);
+ }
+ }
+
+ ext -= me->relative_coordinate (common, Y_AXIS);
+
+ Real len = ext.length () / staff_space;
+
if (ext.is_empty ()
- || (robust_scm2double (me->get_property ("collapse-height"), 0.0) >= l))
+ || (robust_scm2double (me->get_property ("collapse-height"), 0.0) >= len))
{
me->suicide ();
return SCM_EOL;
Stencil m;
- if (gsym== ly_symbol2scm ("bracket"))
- m = staff_bracket (me,l);
+ if (gsym == ly_symbol2scm ("bracket"))
+ m = staff_bracket (me, len);
else if (gsym == ly_symbol2scm ("brace"))
- m = staff_brace (me,l);
+ m = staff_brace (me, len);
else if (gsym == ly_symbol2scm ("bar-line"))
- m = simple_bar (me,l);
-
+ m = simple_bar (me, len);
+
m.translate_axis (ext.center (), Y_AXIS);
return m.smobbed_copy ();
}
Stencil
-System_start_delimiter::staff_brace (Grob*me, Real y)
+System_start_delimiter::staff_brace (Grob *me, Real y)
{
Font_metric *fm = 0;
-
/* We go through the style sheet to lookup the font file
name. This is better than using find_font directly,
esp. because that triggers mktextfm for non-existent
fonts. */
- SCM fam = scm_cons (ly_symbol2scm ("font-encoding"), ly_symbol2scm ("fetaBraces"));
-
+ SCM fam = scm_cons (ly_symbol2scm ("font-encoding"),
+ ly_symbol2scm ("fetaBraces"));
+
SCM alist = scm_list_n (fam, SCM_UNDEFINED);
- fm = select_font (me->get_paper (), scm_list_n (alist, SCM_UNDEFINED));
-
+ fm = select_font (me->get_layout (), scm_list_n (alist, SCM_UNDEFINED));
int lo = 0;
-
int hi = (fm->count () - 1) >? 2;
Box b;
lo = cmp;
}
while (hi - lo > 1);
-
- Stencil m (fm->get_indexed_char_stencil (lo)); // ugh. ascii?
- b=m.extent_box ();
- b[X_AXIS] = Interval (0,0);
-
- return Stencil (b, m.get_expr ());
-}
-
+ Stencil stil (fm->find_by_name ("brace" + to_string (lo)));
+ b = stil.extent_box ();
+ b[X_AXIS] = Interval (0, 0);
+ return Stencil (b, stil.expr ());
+}
-ADD_INTERFACE (System_start_delimiter,"system-start-delimiter-interface",
+ADD_INTERFACE (System_start_delimiter, "system-start-delimiter-interface",
"The brace, bracket or bar in front of the system. "
- "It is implemented as a spanner."
- ,
+ "It is implemented as a spanner.",
"collapse-height thickness "
"arch-height arch-angle arch-thick arch-width bracket-thick glyph");