X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpaper-column.cc;h=0eb40d1b97a48c8297ff378de172d65de6cd5072;hb=455b90148f571c9f9a965b8d250c2dfdc115a7f6;hp=26e7f5d0b67ad832a2ba3dd97152ab09905a5d78;hpb=26380ed75fbd7b32781715c043dfa5dd96dfbe4a;p=lilypond.git diff --git a/lily/paper-column.cc b/lily/paper-column.cc index 26e7f5d0b6..0eb40d1b97 100644 --- a/lily/paper-column.cc +++ b/lily/paper-column.cc @@ -3,54 +3,46 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2005 Han-Wen Nienhuys + (c) 1997--2007 Han-Wen Nienhuys */ #include "paper-column.hh" +#include "axis-group-interface.hh" +#include "break-align-interface.hh" +#include "font-interface.hh" +#include "grob-array.hh" +#include "lookup.hh" +#include "lookup.hh" #include "moment.hh" +#include "output-def.hh" #include "paper-score.hh" -#include "warn.hh" -#include "axis-group-interface.hh" +#include "pointer-group-interface.hh" +#include "separation-item.hh" +#include "skyline-pair.hh" #include "spaceable-grob.hh" +#include "spring.hh" +#include "string-convert.hh" +#include "system.hh" #include "text-interface.hh" -#include "lookup.hh" -#include "font-interface.hh" -#include "output-def.hh" +#include "warn.hh" Grob * -Paper_column::clone (int count) const -{ - return new Paper_column (*this, count); -} - -ADD_INTERFACE (Paper_column, "paper-column-interface", - "@code{Paper_column} objects form the top-most X-parents for items. " - " The are two types of columns: musical columns, where are attached to, and " - " non-musical columns, where bar-lines, clefs etc. are attached to. " - " The spacing engine determines the X-positions of these objects." - "\n\n" - "They are\n" - " numbered, the first (leftmost) is column 0. Numbering happens before\n" - " line-breaking, and columns are not renumbered after line breaking.\n" - " Since many columns go unused, you should only use the rank field to\n" - " get ordering information. Two adjacent columns may have\n" - " non-adjacent numbers.\n" - "\n", - "between-cols when bounded-by-me " - "page-penalty shortest-playing-duration shortest-starter-duration"); +Paper_column::clone () const +{ + return new Paper_column (*this); +} void Paper_column::do_break_processing () { - Spaceable_grob::remove_interface (this); Item::do_break_processing (); } int -Paper_column::get_rank (Grob *me) +Paper_column::get_rank (Grob const *me) { - return dynamic_cast (me)->rank_; + return dynamic_cast (me)->rank_; } System * @@ -59,26 +51,50 @@ Paper_column::get_system () const return system_; } +void +Paper_column::set_system (System *s) +{ + system_ = s; +} + Paper_column * Paper_column::get_column () const { return (Paper_column *) (this); } -Paper_column::Paper_column (SCM l, Object_key const *key) - : Item (l, key) // guh.? +Paper_column::Paper_column (SCM l) + : Item (l) { system_ = 0; rank_ = -1; } -Paper_column::Paper_column (Paper_column const &src, int count) - : Item (src, count) +Paper_column::Paper_column (Paper_column const &src) + : Item (src) { system_ = 0; rank_ = src.rank_; } +int +Paper_column::compare (Grob * const &a, + Grob * const &b) +{ + return sign (dynamic_cast (a)->rank_ + - dynamic_cast (b)->rank_); +} + +bool +Paper_column::less_than (Grob *const &a, + Grob *const &b) +{ + Paper_column *pa = dynamic_cast (a); + Paper_column *pb = dynamic_cast (b); + + return pa->rank_ < pb->rank_; +} + Moment Paper_column::when_mom (Grob *me) { @@ -94,42 +110,172 @@ Paper_column::is_musical (Grob *me) SCM m = me->get_property ("shortest-starter-duration"); Moment s (0); if (unsmob_moment (m)) - { - s = *unsmob_moment (m); - } + s = *unsmob_moment (m); return s != Moment (0); } bool Paper_column::is_used (Grob *me) { - return scm_is_pair (me->get_property ("elements")) || Item::is_breakable (me) - || scm_is_pair (me->get_property ("bounded-by-me")); + extract_grob_set (me, "elements", elts); + if (elts.size ()) + return true; + + extract_grob_set (me, "bounded-by-me", bbm); + if (bbm.size ()) + return true; + + if (Paper_column::is_breakable (me)) + return true; + + if (to_boolean (me->get_property ("used"))) + return true; + return false; +} + +bool +Paper_column::is_breakable (Grob *me) +{ + return scm_is_symbol (me->get_property ("line-break-permission")); +} + +Real +Paper_column::minimum_distance (Grob *left, Grob *right) +{ + Drul_array cols (left, right); + Drul_array skys = Drul_array (Skyline (RIGHT), Skyline (LEFT)); + + Direction d = LEFT; + do + { + Skyline_pair *sp = Skyline_pair::unsmob (cols[d]->get_property ("horizontal-skylines")); + if (sp) + skys[d] = (*sp)[-d]; + } + while (flip (&d) != LEFT); + + skys[RIGHT].merge (Separation_item::conditional_skyline (right, left)); + + return max (0.0, skys[LEFT].distance (skys[RIGHT])); +} + +Interval +Paper_column::break_align_width (Grob *me) +{ + Grob *p = me->get_parent (X_AXIS); + + if (is_musical (me)) + { + me->programming_error ("tried to get break-align-width of a non-musical column"); + return Interval (0, 0) + me->relative_coordinate (p, X_AXIS); + } + + Grob *align = Pointer_group_interface::find_grob (me, ly_symbol2scm ("elements"), + Break_alignment_interface::has_interface); + if (!align) + return Interval (0, 0) + me->relative_coordinate (p, X_AXIS); + + return align->extent (p, X_AXIS); } /* Print a vertical line and the rank number, to aid debugging. */ - MAKE_SCHEME_CALLBACK (Paper_column, print, 1); SCM Paper_column::print (SCM p) { - Grob *me = unsmob_grob (p); + Paper_column *me = dynamic_cast (unsmob_grob (p)); - String r = to_string (Paper_column::get_rank (me)); + string r = to_string (Paper_column::get_rank (me)); + + Moment *mom = unsmob_moment (me->get_property ("when")); + string when = mom ? mom->to_string () : "?/?"; + + Font_metric *musfont = Font_interface::get_default_font (me); SCM properties = Font_interface::text_font_alist_chain (me); - SCM scm_mol = Text_interface::interpret_markup (me->get_layout ()->self_scm (), + SCM scm_mol = Text_interface::interpret_markup (me->layout ()->self_scm (), properties, - scm_makfrom0str (r.to_str0 ())); + ly_string2scm (r)); + SCM when_mol = Text_interface::interpret_markup (me->layout ()->self_scm (), + properties, + ly_string2scm (when)); Stencil t = *unsmob_stencil (scm_mol); + t.add_at_edge (Y_AXIS, DOWN, *unsmob_stencil (when_mol), 0.1); t.align_to (X_AXIS, CENTER); t.align_to (Y_AXIS, DOWN); Stencil l = Lookup::filled_box (Box (Interval (-0.01, 0.01), Interval (-2, -1))); + + SCM small_letters = scm_cons (scm_acons (ly_symbol2scm ("font-size"), + scm_from_int (-6), SCM_EOL), + properties); + + int j = 0; + for (SCM s = me->get_object ("ideal-distances"); + scm_is_pair (s); s = scm_cdr (s)) + { + Spring *sp = unsmob_spring (scm_caar (s)); + if (!unsmob_grob (scm_cdar (s)) + || !unsmob_grob (scm_cdar (s))->get_system ()) + continue; + + j++; + Real y = -j * 1 -3; + vector pts; + pts.push_back (Offset (0, y)); + + Offset p2 (sp->distance (), y); + pts.push_back (p2); + + Stencil id_stencil = Lookup::points_to_line_stencil (0.1, pts); + Stencil head (musfont->find_by_name ("arrowheads.open.01")); + + SCM distance_stc = Text_interface::interpret_markup (me->layout ()->self_scm (), + small_letters, + ly_string2scm (String_convert::form_string ("%5.2lf", sp->distance ()))); + + id_stencil.add_stencil (unsmob_stencil (distance_stc)->translated (Offset (sp->distance ()/3, y+1))); + id_stencil.add_stencil (head.translated (p2)); + id_stencil = id_stencil.in_color (0,0,1); + l.add_stencil (id_stencil); + } + + for (SCM s = me->get_object ("minimum-distances"); + scm_is_pair (s); s = scm_cdr (s)) + { + Real dist = scm_to_double (scm_cdar (s)); + Grob *other = unsmob_grob (scm_caar (s)); + if (!other || other->get_system () != me->get_system ()) + continue; + + j++; + + Real y = -j * 1.0 -3.5; + vector pts; + pts.push_back (Offset (0, y)); + Offset p2 (dist, y); + pts.push_back (p2); + + Stencil id_stencil = Lookup::points_to_line_stencil (0.1, pts); + Stencil head (musfont->find_by_name ("arrowheads.open.0M1")); + head.translate_axis (y, Y_AXIS); + id_stencil.add_stencil (head); + + SCM distance_stc = Text_interface::interpret_markup (me->layout ()->self_scm (), + small_letters, + ly_string2scm (String_convert::form_string ("%5.2lf", + dist))); + + id_stencil.add_stencil (unsmob_stencil (distance_stc)->translated (Offset (dist/3, y-1))); + + + id_stencil = id_stencil.in_color (1,0,0); + l.add_stencil (id_stencil); + } t.add_stencil (l); return t.smobbed_copy (); } @@ -137,7 +283,8 @@ Paper_column::print (SCM p) /* This is all too hairy. We use bounded-by-me to make sure that some columns are kept "alive". Unfortunately, when spanners are suicided, - this falls apart again. (sigh.) + this falls apart again, because suicided spanners are still in + bounded-by-me THIS IS BROKEN KLUDGE. WE SHOULD INVENT SOMETHING BETTER. */ @@ -147,23 +294,57 @@ Paper_column::before_line_breaking (SCM grob) { Grob *me = unsmob_grob (grob); - SCM c = me->get_property ("bounded-by-me"); - SCM *ptrptr = &c; + SCM bbm = me->get_object ("bounded-by-me"); + Grob_array *ga = unsmob_grob_array (bbm); + if (!ga) + return SCM_UNSPECIFIED; + + vector &array (ga->array_reference ()); - while (scm_is_pair (*ptrptr)) + for (vsize i = array.size (); i--;) { - Grob *g = unsmob_grob (scm_car (*ptrptr)); + Grob *g = array[i]; if (!g || !g->is_live ()) - { - *ptrptr = scm_cdr (*ptrptr); - } - else - { - ptrptr = SCM_CDRLOC (*ptrptr); - } + /* UGH . potentially quadratic. */ + array.erase (array.begin () + i); } - me->set_property ("bounded-by-me", c); return SCM_UNSPECIFIED; } + + +ADD_INTERFACE (Paper_column, + "@code{Paper_column} objects form the top-most X@tie{}parents" + " for items. There are two types of columns: musical columns," + " where are attached to, and non-musical columns, where" + " bar-lines, clefs, etc., are attached to. The spacing engine" + " determines the X@tie{}positions of these objects.\n" + "\n" + "They are numbered, the first (leftmost) is column@tie{}0." + " Numbering happens before line breaking, and columns are not" + " renumbered after line breaking. Since many columns go" + " unused, you should only use the rank field to get ordering" + " information. Two adjacent columns may have non-adjacent" + " numbers.", + + /* properties */ + "between-cols " + "bounded-by-me " + "grace-spacing " + "labels " + "line-break-system-details " + "line-break-penalty " + "line-break-permission " + "page-break-penalty " + "page-break-permission " + "page-turn-penalty " + "page-turn-permission " + "rhythmic-location " + "shortest-playing-duration " + "shortest-starter-duration " + "spacing " + "used " + "when " + ); +