lily/dots.cc

   1 /*
   2   dots.cc -- implement Dots
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "dots.hh"
  10 #include "item.hh"
  11 #include "stencil.hh"
  12 #include "output-def.hh"
  13 #include "font-interface.hh"
  14 #include "lookup.hh"
  15 #include "staff-symbol-referencer.hh"
  16 #include "directional-element-interface.hh"
  17
  18 MAKE_SCHEME_CALLBACK (Dots,print,1);
  19 SCM
  20 Dots::print (SCM d)
  21 {
  22   Grob *sc = unsmob_grob (d);
  23   Stencil mol;
  24
  25   SCM c = sc->get_property ("dot-count");
  26
  27   if (ly_c_number_p (c))
  28     {
  29       Stencil d = Font_interface::get_default_font (sc)->find_by_name (String ("dots-dot"));
  30       Real dw = d.extent (X_AXIS).length ();
  31
  32
  33       /*
  34         we need to add a real blank box, to assure that
  35         side-positioning doth not cancel the left-most padding.  */
  36
  37       /*
  38         TODO: this should  be handled by side-position padding.
  39        */
  40       mol = Lookup::blank (Box (Interval (0,0),
  41                                 Interval (0,0)));
  42
  43       for (int i = ly_scm2int (c); i--;)
  44         {
  45           d.translate_axis (2*dw,X_AXIS);
  46           mol.add_at_edge (X_AXIS, RIGHT, d, dw, 0);
  47         }
  48     }
  49   return mol.smobbed_copy ();
  50 }
  51
  52
  53
  54
  55 ADD_INTERFACE (Dots, "dots-interface",
  56                "The dots to go with a notehead or rest."
  57                "@code{direction} sets the preferred direction to move in case of staff "
  58                "line collisions.",
  59                "direction dot-count");
  60
  61