-#include "staff-symbol-referencer.hh"
-#include "line-interface.hh"
-
-MAKE_SCHEME_CALLBACK (Bar_line, calc_bar_extent, 1)
-SCM
-Bar_line::calc_bar_extent (SCM smob)
-{
- Grob *me = unsmob_grob (smob);
-
- SCM size = me->get_property ("bar-size");
-
- if (!scm_is_number (size)
- || !Staff_symbol_referencer::get_staff_symbol (me))
- return ly_interval2scm (Interval ());
-
- Real h = scm_to_double (size);
- return ly_interval2scm (Interval (-h/2, h/2));
-}
-
-Interval
-Bar_line::bar_y_extent (Grob *me, Grob *refpoint)
-{
- Interval iv = robust_scm2interval (me->get_property ("bar-extent"), Interval ());
-
- iv.translate (me->relative_coordinate (refpoint, Y_AXIS));
- return iv;
-}
-
-MAKE_SCHEME_CALLBACK (Bar_line, print, 1);
-SCM
-Bar_line::print (SCM smob)
-{
- Grob *me = unsmob_grob (smob);
-
- SCM s = me->get_property ("glyph-name");
- SCM barsize = me->get_property ("bar-size");
-
- if (scm_is_string (s) && scm_is_number (barsize))
- {
- string str = ly_scm2string (s);
- Real sz = robust_scm2double (barsize, 0);
- if (sz <= 0)
- return SCM_EOL;
-
- return compound_barline (me, str, sz, false).smobbed_copy ();
- }
- return SCM_EOL;
-}
-
-Stencil
-Bar_line::compound_barline (Grob *me, string str, Real h,
- bool rounded)
-{
- Real kern = robust_scm2double (me->get_property ("kern"), 1);
- Real thinkern = robust_scm2double (me->get_property ("thin-kern"), 1);
- Real hair = robust_scm2double (me->get_property ("hair-thickness"), 1);
- Real fatline = robust_scm2double (me->get_property ("thick-thickness"), 1);
-
- Real staffline = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"));
- Real staff_space = Staff_symbol_referencer::staff_space (me);
-
- kern *= staffline;
- thinkern *= staffline;
- hair *= staffline;
- fatline *= staffline;
-
- Stencil thin = simple_barline (me, hair, h, rounded);
- Stencil thick = simple_barline (me, fatline, h, rounded);
- Stencil dot = Font_interface::get_default_font (me)->find_by_name ("dots.dot");
-
- int lines = Staff_symbol_referencer::line_count (me);
- Real dist
- = ((lines & 1 || lines == 0)
- ? 1
- : (staff_space < 2 ? 2 : .5)) * staff_space;
- Stencil colon (dot);
- colon.translate_axis (dist, Y_AXIS);
- colon.add_stencil (dot);
- colon.translate_axis (-dist / 2, Y_AXIS);
-
- Stencil m;
- if (str == "||:")
- str = "|:";
-
- if (str == "")
- return Lookup::blank (Box (Interval (0, 0), Interval (-h / 2, h / 2)));
- else if (str == "|")
- return thin;
- else if (str == "|." || (h == 0 && str == ":|"))
- {
- m.add_at_edge (X_AXIS, LEFT, thick, 0);
- m.add_at_edge (X_AXIS, LEFT, thin, kern);
- }
- else if (str == ".|" || (h == 0 && str == "|:"))
- {
- m.add_at_edge (X_AXIS, RIGHT, thick, 0);
- m.add_at_edge (X_AXIS, RIGHT, thin, kern);
- }
- else if (str == ":|")
- {
- m.add_at_edge (X_AXIS, LEFT, thick, 0);
- m.add_at_edge (X_AXIS, LEFT, thin, kern);
- m.add_at_edge (X_AXIS, LEFT, colon, kern);
- }
- else if (str == "|:")
- {
- m.add_at_edge (X_AXIS, RIGHT, thick, 0);
- m.add_at_edge (X_AXIS, RIGHT, thin, kern);
- m.add_at_edge (X_AXIS, RIGHT, colon, kern);
- }
- else if (str == ":|:")
- {
- m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
- m.add_at_edge (X_AXIS, LEFT, colon, kern);
- m.add_at_edge (X_AXIS, RIGHT, thick, kern);
- m.add_at_edge (X_AXIS, RIGHT, colon, kern);
- }
- else if (str == ".|.")
- {
- m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
- m.add_at_edge (X_AXIS, RIGHT, thick, kern);
- }
- else if (str == "||")
- {
- /*
- should align to other side? this never appears
- on the system-start?
- */
- m.add_at_edge (X_AXIS, RIGHT, thin, 0);
- m.add_at_edge (X_AXIS, RIGHT, thin, thinkern);
- }
- else if (str == ":")
- {
- int c = (Staff_symbol_referencer::line_count (me));
-
- for (int i = 0; i < c - 1; i++)
- {
- Real y = (- (c - 1.0) / 2 + 0.5 + i) * staff_space;
- Stencil d (dot);
-
- d.translate_axis (y, Y_AXIS);
- m.add_stencil (d);
- }
- }
- else if (str == "dashed")
- {
- m = dashed_bar_line (me, h, hair);
- }
- else if (str == ".")
- {
- m = dot;
- }
- return m;
-}
-
-Stencil
-Bar_line::simple_barline (Grob *me,
- Real w,
- Real h,
- bool rounded)
-{
- Real blot
- = rounded
- ? me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"))
- : 0.0;
-
- return Lookup::round_filled_box (Box (Interval (0, w),
- Interval (-h / 2, h / 2)), blot);
-}
-
-MAKE_SCHEME_CALLBACK (Bar_line, calc_bar_size, 1);
-SCM
-Bar_line::calc_bar_size (SCM smob)
-{
- Grob *me = unsmob_grob (smob);
- if (Grob *staff = Staff_symbol_referencer::get_staff_symbol (me))
- {
- Interval staff_y = staff->extent (staff, Y_AXIS);
- return scm_from_double (staff_y.is_empty () ? 0.0 : staff_y.length ());
- }
- return scm_from_int (0);
-}
-
-
-Stencil
-Bar_line::dashed_bar_line (Grob *me, Real h, Real thick)
-{
- Real dash_size
- = 1.0 - robust_scm2double (me->get_property ("gap"), 0.3);
- /*
- this is a tad complex for what we want to achieve, but with a
- simple line, the round blotting interferes with staff line
- connections.
- */
- Real ss = Staff_symbol_referencer::staff_space (me);
- int count = Staff_symbol_referencer::line_count (me);
- Real line_thick = Staff_symbol_referencer::line_thickness (me);
-
- if (fabs (line_thick + (count -1) * ss - h) < 0.1) // ugh.
- {
- Real blot =
- me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
-
- Real half_space = ss/2;
- Stencil bar;
-
- for (int i = (count-1); i >= -(count-1); i -= 2)
- {
- Real top_y = min ((i + dash_size) * half_space,
- (count-1) * half_space + line_thick / 2);
- Real bot_y = max ((i - dash_size) * half_space,
- -(count-1) * half_space - line_thick/2);
-
- bar.add_stencil (Lookup::round_filled_box (Box (Interval (0, thick),
- Interval (bot_y, top_y)),
- blot));
- }
- return bar;
- }
- else
- {
- /*
- We have to scale the dashing so it starts and ends with half a
- dash exactly.
- */
- int dashes = int (rint (h / ss));
- Real total_dash_size = h / dashes;
- Real factor = (dash_size - thick) / ss;
-
- SCM at = scm_list_n (ly_symbol2scm ("dashed-line"),
- scm_from_double (thick),
- scm_from_double (factor * total_dash_size),
- scm_from_double ((1-factor) * total_dash_size),
- scm_from_double (0),
- scm_from_double (h),
- scm_from_double (factor * total_dash_size * 0.5),
- SCM_UNDEFINED);