+++ /dev/null
-/*
- easy-notation.cc -- implement easy notation heads
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2005--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
-*/
-
-#include "note-head.hh"
-
-#include <cctype>
-using namespace std;
-
-#include "font-interface.hh"
-#include "grob.hh"
-#include "music.hh"
-#include "output-def.hh"
-#include "staff-symbol-referencer.hh"
-#include "stem.hh"
-#include "stream-event.hh"
-#include "text-interface.hh"
-#include "rhythmic-head.hh"
-
-/*
-
-TODO: move to scheme
-
-*/
-MAKE_SCHEME_CALLBACK (Note_head, brew_ez_stencil, 1);
-SCM
-Note_head::brew_ez_stencil (SCM smob)
-{
- Grob *me = unsmob_grob (smob);
- int log = Rhythmic_head::duration_log (me);
-
- SCM cause = me->get_property ("cause");
- SCM spitch = unsmob_stream_event (cause)->get_property ("pitch");
- Pitch *pit = unsmob_pitch (spitch);
-
- SCM idx = scm_from_int (pit->get_notename ());
- SCM names = me->get_property ("note-names");
- SCM charstr = SCM_EOL;
- if (scm_is_vector (names))
- charstr = scm_vector_ref (names, idx);
- else
- {
- char s[2] = "a";
- s[0] = char ((pit->get_notename () + 2) % 7 + 'a');
- s[0] = char (toupper (s[0]));
- charstr = scm_from_locale_string (s);
- }
-
- SCM letter
- = Text_interface::interpret_string (me->layout ()->self_scm (),
- Font_interface::text_font_alist_chain (me),
- charstr);
-
- Stencil l (*unsmob_stencil (letter));
- l.align_to (X_AXIS, CENTER);
- l.align_to (Y_AXIS, CENTER);
-
- l = Stencil (Box (), l.expr ());
- Real ss = Staff_symbol_referencer::staff_space (me);
- Real lt = Staff_symbol_referencer::line_thickness (me);
-
- Real radius = (ss + lt) / 2.0;
- Real stem_thick = 1.3 * lt;
- if (Grob *stem = unsmob_grob (me->get_object ("stem")))
- stem_thick = Stem::thickness (stem);
-
- int black = (log >= 2);
-
- Stencil head;
- Box extent (Interval (-radius, radius),
- Interval (-radius, radius));
-
- Stencil black_head (extent,
- scm_list_4 (ly_symbol2scm ("circle"),
- scm_from_double (radius),
- scm_from_double (0.0),
- SCM_BOOL_T));
- Stencil white_head;
- if (black)
- l = l.in_color (1, 1, 1);
- else
- {
- white_head = Stencil (extent,
- scm_list_4 (ly_symbol2scm ("circle"),
- scm_from_double (radius - stem_thick),
- scm_from_double (0.0),
- SCM_BOOL_T));
-
- white_head = white_head.in_color (1, 1, 1);
- }
-
- Stencil total;
- total.add_stencil (l);
- total.add_stencil (white_head);
- total.add_stencil (black_head);
- total.translate_axis (radius, X_AXIS);
-
- return total.smobbed_copy ();
-}
-