X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Fclef-engraver.cc;h=00c345771728f4e46a06ed75ce08c023b0740f1c;hb=53da8b7d3773da804e79fd455d168efd9475d2f9;hp=6f527fc75e7aa0089f138687ad36e1dc23c40a36;hpb=fc3e875d6bf06f0680e897faffdcab36ad975a03;p=lilypond.git diff --git a/lily/clef-engraver.cc b/lily/clef-engraver.cc index 6f527fc75e..00c3457717 100644 --- a/lily/clef-engraver.cc +++ b/lily/clef-engraver.cc @@ -1,205 +1,183 @@ /* - clef-engraver.cc -- implement Clef_engraver + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2012 Han-Wen Nienhuys + Mats Bengtsson - (c) 1997--2001 Han-Wen Nienhuys , + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. - Mats Bengtsson + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ -#include +#include +using namespace std; -#include "translator-group.hh" -#include "key-item.hh" -#include "local-key-item.hh" -#include "bar.hh" -#include "note-head.hh" +#include "item.hh" +#include "context.hh" #include "staff-symbol-referencer.hh" -#include "debug.hh" #include "engraver.hh" #include "direction.hh" #include "side-position-interface.hh" -#include "item.hh" -#include "custos.hh" -/// where is c-0 in the staff? -class Clef_engraver : public Engraver +#include "translator.icc" + +class Clef_engraver : public Engraver { public: - VIRTUAL_COPY_CONS (Translator); - Clef_engraver (); - - Direction octave_dir_; + TRANSLATOR_DECLARATIONS (Clef_engraver); protected: - virtual void stop_translation_timestep (); - virtual void start_translation_timestep (); - virtual void create_grobs (); - virtual void acknowledge_grob (Grob_info); + void stop_translation_timestep (); + void process_music (); + DECLARE_ACKNOWLEDGER (bar_line); + virtual void derived_mark () const; private: - Item * clef_p_; - Item * octavate_p_; + Item *clef_; + Item *octavate_; SCM prev_glyph_; SCM prev_cpos_; SCM prev_octavation_; void create_clef (); - void set_central_c (SCM, SCM, SCM); void set_glyph (); + void inspect_clef_properties (); }; -Clef_engraver::Clef_engraver () +void +Clef_engraver::derived_mark () const { - clef_p_ = 0; - octave_dir_ = CENTER; - octavate_p_ = 0; - - /* - will trigger a clef at the start since #f != ' () - */ - prev_cpos_ = prev_glyph_ = SCM_BOOL_F; + scm_gc_mark (prev_octavation_); + scm_gc_mark (prev_cpos_); + scm_gc_mark (prev_glyph_); } -void -Clef_engraver::set_central_c (SCM glyph,SCM clefpos, SCM octavation) +Clef_engraver::Clef_engraver () { - prev_cpos_ = clefpos; - prev_glyph_ = glyph; - prev_octavation_ = octavation; + clef_ = 0; + octavate_ = 0; - SCM p = get_property ("clefPitches"); - int c0_position = 0; - if (gh_list_p (p)) - { - SCM found = scm_assoc (glyph, p); - if (found == SCM_BOOL_F) - { - c0_position =0; - } - else - { - c0_position = gh_scm2int (gh_cdr (found)); - - if (gh_number_p (octavation)) - c0_position -= gh_scm2int (octavation); - - if (gh_number_p (clefpos)) - c0_position += gh_scm2int (clefpos); - } - - } - daddy_trans_l_->set_property ("centralCPosition", gh_int2scm (c0_position)); + /* + will trigger a clef at the start since #f != ' () + */ + prev_octavation_ = prev_cpos_ = prev_glyph_ = SCM_BOOL_F; } void Clef_engraver::set_glyph () { - SCM glyph_sym = ly_symbol2scm ("glyph-name"); - SCM glyph = get_property ("clefGlyph"); - + SCM glyph_sym = ly_symbol2scm ("glyph"); SCM basic = ly_symbol2scm ("Clef"); - - daddy_trans_l_->execute_single_pushpop_property (basic, glyph_sym, SCM_UNDEFINED); - daddy_trans_l_->execute_single_pushpop_property (basic, glyph_sym, glyph); + + execute_pushpop_property (context (), basic, glyph_sym, SCM_UNDEFINED); + execute_pushpop_property (context (), basic, glyph_sym, get_property ("clefGlyph")); } -/** - Generate a clef at the start of a measure. (when you see a Bar, - ie. a breakpoint) - */ +/** + Generate a clef at the start of a measure. (when you see a Bar, + ie. a breakpoint) +*/ void -Clef_engraver::acknowledge_grob (Grob_info info) +Clef_engraver::acknowledge_bar_line (Grob_info info) { - create_grobs (); - Item * item =dynamic_cast (info.elem_l_); - if (item) - { - if (Bar::has_interface (info.elem_l_) - && gh_string_p (get_property ("clefGlyph"))) - create_clef (); - - - if (Note_head::has_interface (item) - || Local_key_item::has_interface (item) - || Custos::has_interface (item) - ) - { - int p = int (Staff_symbol_referencer::position_f (item)) - + gh_scm2int (get_property ("centralCPosition")); - Staff_symbol_referencer::set_position (item, p); - } - else if (Key_item::has_interface (item)) - { - /* - Key_item adapts its formatting to make sure that the - accidentals stay in the upper half of the staff. It needs - to know c0-pos for this. (?) - */ - - item->set_grob_property ("c0-position", get_property ("centralCPosition")); - } - } + Item *item = info.item (); + if (item && scm_is_string (get_property ("clefGlyph"))) + create_clef (); } void Clef_engraver::create_clef () { - if (!clef_p_) + if (!clef_) { - Item *c= new Item (get_property ("Clef")); - announce_grob (c, 0); + Item *c = make_item ("Clef", SCM_EOL); - Staff_symbol_referencer::set_interface (c); - - clef_p_ = c; - } - Staff_symbol_referencer::set_position (clef_p_, - gh_scm2int (get_property ("clefPosition"))); + clef_ = c; + SCM cpos = get_property ("clefPosition"); - SCM oct = get_property ("clefOctavation"); - if (gh_number_p (oct) && gh_scm2int (oct)) - { - Item * g = new Item (get_property ("OctavateEight")); + if (scm_is_number (cpos)) + clef_->set_property ("staff-position", cpos); + + SCM oct = get_property ("clefOctavation"); + if (scm_is_number (oct) && scm_to_int (oct)) + { + Item *g = make_item ("OctavateEight", SCM_EOL); + + int abs_oct = scm_to_int (oct); + int dir = sign (abs_oct); + abs_oct = abs (abs_oct) + 1; - Side_position_interface::add_support (g,clef_p_); + SCM txt = scm_number_to_string (scm_from_int (abs_oct), + scm_from_int (10)); - g->set_parent (clef_p_, Y_AXIS); - g->set_parent (clef_p_, X_AXIS); + g->set_property ("text", + scm_list_n (ly_lily_module_constant ("vcenter-markup"), + txt, SCM_UNDEFINED)); + Side_position_interface::add_support (g, clef_); - g->set_grob_property ("direction", gh_int2scm (sign (gh_scm2int (oct)))); - octavate_p_ = g; - announce_grob (octavate_p_, 0); + g->set_parent (clef_, Y_AXIS); + g->set_parent (clef_, X_AXIS); + g->set_property ("direction", scm_from_int (dir)); + octavate_ = g; + } } } +void +Clef_engraver::process_music () +{ + inspect_clef_properties (); +} + +static void apply_on_children (Context *context, SCM fun) +{ + scm_call_1 (fun, context->self_scm ()); + for (SCM s = context->children_contexts (); + scm_is_pair (s); s = scm_cdr (s)) + apply_on_children (unsmob_context (scm_car (s)), fun); +} void -Clef_engraver::create_grobs () +Clef_engraver::inspect_clef_properties () { SCM glyph = get_property ("clefGlyph"); SCM clefpos = get_property ("clefPosition"); SCM octavation = get_property ("clefOctavation"); SCM force_clef = get_property ("forceClef"); - + if (clefpos == SCM_EOL || scm_equal_p (glyph, prev_glyph_) == SCM_BOOL_F || scm_equal_p (clefpos, prev_cpos_) == SCM_BOOL_F || scm_equal_p (octavation, prev_octavation_) == SCM_BOOL_F - || to_boolean (force_clef) -) + || to_boolean (force_clef)) { + apply_on_children (context (), + ly_lily_module_constant ("invalidate-alterations")); + set_glyph (); - set_central_c (glyph, clefpos, octavation); - - create_clef (); + if (prev_cpos_ != SCM_BOOL_F || to_boolean (get_property ("firstClef"))) + create_clef (); - clef_p_->set_grob_property ("non-default", SCM_BOOL_T); + if (clef_) + clef_->set_property ("non-default", SCM_BOOL_T); + + prev_cpos_ = clefpos; + prev_glyph_ = glyph; + prev_octavation_ = octavation; } if (to_boolean (force_clef)) { - Translator_group * w = daddy_trans_l_->where_defined (ly_symbol2scm ("forceClef")); + SCM prev; + Context *w = context ()->where_defined (ly_symbol2scm ("forceClef"), &prev); w->set_property ("forceClef", SCM_EOL); } } @@ -207,35 +185,37 @@ Clef_engraver::create_grobs () void Clef_engraver::stop_translation_timestep () { - if (clef_p_) + if (clef_) { - SCM vis = 0; - if (to_boolean (clef_p_->get_grob_property ("non-default"))) - { - vis = get_property ("explicitClefVisibility"); - } + SCM vis = 0; + if (to_boolean (clef_->get_property ("non-default"))) + vis = get_property ("explicitClefVisibility"); if (vis) - { - clef_p_->set_grob_property ("visibility-lambda", vis); - if (octavate_p_) - octavate_p_->set_grob_property ("visibility-lambda", vis); - } - - typeset_grob (clef_p_); - clef_p_ =0; - - if (octavate_p_) - typeset_grob (octavate_p_); - - octavate_p_ = 0; - } -} + clef_->set_property ("break-visibility", vis); -void -Clef_engraver::start_translation_timestep () -{ -} + clef_ = 0; -ADD_THIS_TRANSLATOR (Clef_engraver); + octavate_ = 0; + } +} +ADD_ACKNOWLEDGER (Clef_engraver, bar_line); +ADD_TRANSLATOR (Clef_engraver, + /* doc */ + "Determine and set reference point for pitches.", + + /* create */ + "Clef " + "OctavateEight ", + + /* read */ + "clefGlyph " + "clefOctavation " + "clefPosition " + "explicitClefVisibility " + "forceClef ", + + /* write */ + "" + );