ly/engraver-init.ly

   1 \version "2.10.0"
   2
   3 \context {
   4   \name "Global"
   5
   6   \accepts "Score"
   7
   8   \defaultchild "Score"
   9   \description "Hard coded entry point for LilyPond.  Cannot be tuned."
  10   \grobdescriptions #all-grob-descriptions
  11 }
  12
  13
  14 \context {
  15   \type "Engraver_group"
  16   \name "FretBoards"
  17
  18   \consists "Output_property_engraver"
  19
  20   \consists "Axis_group_engraver"
  21   \consists "Fretboard_engraver"
  22   \consists "Separating_line_group_engraver"
  23   \consists "Font_size_engraver"
  24   \consists "Instrument_name_engraver"
  25 }
  26
  27 \context {
  28   \type "Engraver_group"
  29   \name "Staff"
  30
  31   \consists "Output_property_engraver"
  32   \consists "Bar_engraver"
  33   %% Bar_engraver must be first so default bars aren't overwritten
  34   %% with empty ones.
  35
  36   \consists "Font_size_engraver"
  37   \consists "Separating_line_group_engraver"
  38   \consists "Dot_column_engraver"
  39   \consists "Staff_collecting_engraver"
  40
  41  %% perhaps move to Voice context?
  42   \consists "Ottava_spanner_engraver"
  43   \consists "Clef_engraver"
  44   \consists "Key_engraver"
  45   \consists "Time_signature_engraver"
  46   \consists "Ledger_line_engraver"
  47   \consists "Staff_symbol_engraver"
  48   \consists "Collision_engraver"
  49   \consists "Rest_collision_engraver"
  50   \consists "Accidental_engraver"
  51   \consists "Piano_pedal_engraver"
  52   \consists "Piano_pedal_align_engraver"
  53   \consists "Instrument_name_engraver"
  54   \consists "String_number_engraver"
  55   \consists "Axis_group_engraver"
  56   \consists "Figured_bass_engraver"
  57   \consists "Figured_bass_position_engraver"
  58   \consists "Script_row_engraver"
  59
  60   localKeySignature = #'()
  61   createSpacing = ##t
  62   ignoreFiguredBassRest = ##t
  63   \override VerticalAxisGroup #'minimum-Y-extent = #'(-4 . 4)
  64
  65   %% explicitly set instrument, so we don't get
  66   %% weird effects when doing instrument names for
  67   %% piano staves
  68
  69   instrumentName = #'()
  70   shortInstrumentName = #'()
  71
  72   \defaultchild "Voice"
  73   \accepts "Voice"
  74   \accepts "CueVoice"
  75
  76   \description "Handles clefs, bar lines, keys, accidentals.  It can contain
  77 @code{Voice} contexts."
  78
  79 }
  80
  81 \context {
  82   \Staff
  83   \type "Engraver_group"
  84   \name "DrumStaff"
  85   \alias "Staff"
  86
  87   \remove "Accidental_engraver"
  88   \remove "Ottava_spanner_engraver"
  89   \remove "Key_engraver"
  90   \remove "Piano_pedal_engraver"
  91   \remove "String_number_engraver"
  92
  93   \description "Handles typesetting for percussion."
  94
  95   \denies "Voice"
  96   \accepts "DrumVoice"
  97   \defaultchild "DrumVoice"
  98
  99   clefGlyph = #"clefs.percussion"
 100   clefPosition = #0
 101   \override Script #'staff-padding = #0.75
 102 }
 103
 104
 105 \context {
 106   \type "Engraver_group"
 107   \name "InnerChoirStaff"
 108   \consists "System_start_delimiter_engraver"
 109   systemStartDelimiter = #'SystemStartBracket
 110   vocalName = #'()
 111   shortVocalName = #'()
 112
 113   \accepts "Staff"
 114   \accepts "DrumStaff"
 115   \accepts "RhythmicStaff"
 116   \accepts "GrandStaff"
 117   \accepts "PianoStaff"
 118   \accepts "Lyrics"
 119   \accepts "ChordNames"
 120   \defaultchild "Staff"
 121 }
 122
 123 \context {
 124   \InnerChoirStaff
 125   \name ChoirStaff
 126
 127   \defaultchild "Staff"
 128   \accepts "InnerChoirStaff"
 129   \accepts "InnerStaffGroup"
 130   \description "Identical to @code{StaffGroup} except that the
 131 contained staves are not connected vertically."
 132
 133 }
 134
 135 \context{
 136   \type "Engraver_group"
 137
 138   \override VerticalAxisGroup #'minimum-Y-extent = ##f
 139   localKeySignature = #'()
 140   createSpacing = ##t
 141
 142   squashedPosition = #0
 143   \name RhythmicStaff
 144   \alias "Staff"
 145
 146   \override BarLine #'bar-size = #4
 147   \override VoltaBracket #'staff-padding = #3
 148   \override StaffSymbol #'line-count = #1
 149
 150   \override Stem  #'neutral-direction = #UP
 151   \override Beam  #'neutral-direction = #UP
 152
 153   \consists "Output_property_engraver"
 154   \consists "Font_size_engraver"
 155   \consists "Separating_line_group_engraver"
 156   \consists "Dot_column_engraver"
 157   \consists "Bar_engraver"
 158   \consists "Staff_symbol_engraver"
 159   \consists "Pitch_squash_engraver"
 160   \consists "Time_signature_engraver"
 161   \consists "Instrument_name_engraver"
 162   \consists "Axis_group_engraver"
 163   \consists "Ledger_line_engraver"
 164
 165   \accepts "Voice"
 166   \accepts "CueVoice"
 167   \defaultchild "Voice"
 168
 169   \description "A context like @code{Staff} but for printing rhythms.
 170 Pitches are ignored; the notes are printed on one line."
 171 }
 172
 173
 174 \context {
 175   \type "Engraver_group"
 176   \name "Voice"
 177
 178   \description "Corresponds to a voice on a staff.  This context
 179 handles the conversion of dynamic signs, stems, beams, super- and
 180 subscripts, slurs, ties, and rests.
 181
 182 You have to instantiate this explicitly if you want to have
 183 multiple voices on the same staff."
 184
 185   localKeySignature = #'()
 186   \consists "Font_size_engraver"
 187
 188   \consists "Pitched_trill_engraver"
 189   \consists "Output_property_engraver"
 190   \consists "Arpeggio_engraver"
 191   \consists "Multi_measure_rest_engraver"
 192   \consists "Text_spanner_engraver"
 193   \consists "Trill_spanner_engraver"
 194   \consists "Grob_pq_engraver"
 195   \consists "Forbid_line_break_engraver"
 196   \consists "Laissez_vibrer_engraver"
 197   \consists "Repeat_tie_engraver"
 198   \consists "Note_head_line_engraver"
 199   \consists "Glissando_engraver"
 200   \consists "Ligature_bracket_engraver"
 201   \consists "Breathing_sign_engraver"
 202   \consists "Note_heads_engraver"
 203   \consists "Dots_engraver"
 204   \consists "Rest_engraver"
 205   \consists "Tweak_engraver"
 206
 207   %% switch on to make stem directions interpolate for the
 208   %% center line.
 209   %  \consists "Melody_engraver"
 210
 211   \consists "Stem_engraver"
 212   \consists "Beam_engraver"
 213   \consists "Grace_beam_engraver"
 214   \consists "Auto_beam_engraver"
 215
 216   %% must come before Script_column_engraver.
 217   \consists "New_fingering_engraver"
 218
 219   \consists "Chord_tremolo_engraver"
 220   \consists "Percent_repeat_engraver"
 221   \consists "Slash_repeat_engraver"
 222   \consists "Part_combine_engraver"
 223
 224   \consists "Text_engraver"
 225   \consists "New_dynamic_engraver"
 226   \consists "Dynamic_align_engraver"
 227 %  \consists "Dynamic_engraver"
 228   \consists "Fingering_engraver"
 229   \consists "Bend_engraver"
 230
 231   \consists "Script_engraver"
 232   \consists "Script_column_engraver"
 233   \consists "Rhythmic_column_engraver"
 234   \consists "Note_spacing_engraver"
 235   \consists "Spanner_break_forbid_engraver"
 236   \consists "Phrasing_slur_engraver"
 237   \consists "Cluster_spanner_engraver"
 238   \consists "Slur_engraver"
 239   \consists "Tie_engraver"
 240   \consists "Tuplet_engraver"
 241   \consists "Grace_engraver"
 242   \consists "Instrument_switch_engraver"
 243   \consists "Skip_event_swallow_translator"
 244 }
 245
 246 \context{
 247   \Voice
 248
 249   \name CueVoice
 250   \alias Voice
 251   fontSize = #-4
 252   \override Stem #'length-fraction = #(magstep -4)
 253   \override Beam #'length-fraction = #(magstep -4)
 254 }
 255
 256 \context {
 257   \Voice
 258   \name DrumVoice
 259   \alias Voice
 260
 261   \description "A voice on a percussion staff."
 262   \remove "Arpeggio_engraver"
 263   \consists "Grob_pq_engraver"
 264
 265   \remove "Note_head_line_engraver"
 266   \remove "Glissando_engraver"
 267   \remove "Ligature_bracket_engraver"
 268   \remove "Note_heads_engraver"
 269   \consists "Drum_notes_engraver"
 270   \remove "New_fingering_engraver"
 271
 272   \remove "Fingering_engraver"
 273
 274   \remove "Cluster_spanner_engraver"
 275
 276   \consists "Skip_event_swallow_translator"
 277 }
 278
 279 \context{
 280   \type "Engraver_group"
 281   \name GrandStaff
 282   localKeySignature = #'()
 283
 284   \description "A group of staves, with a brace on the left
 285 side, grouping the staves together.  The bar lines of the
 286 contained staves are connected vertically."
 287
 288   \consists "Span_bar_engraver"
 289   \consists "Span_arpeggio_engraver"
 290   \consists "System_start_delimiter_engraver"
 291   systemStartDelimiter = #'SystemStartBrace
 292
 293   \defaultchild "Staff"
 294   \accepts "Staff"
 295   \accepts "FiguredBass"
 296 }
 297
 298 \context{
 299   \GrandStaff
 300   \name "PianoStaff"
 301   \alias "GrandStaff"
 302
 303   \description "Just like @code{GrandStaff} but with support for
 304 instrument names at the start of each system."
 305
 306   \consists "Instrument_name_engraver"
 307
 308   instrumentName = #'()
 309   shortInstrumentName = #'()
 310 }
 311
 312 \context {
 313   \type "Engraver_group"
 314   \name InnerStaffGroup
 315
 316   \consists "Span_bar_engraver"
 317   \consists "Span_arpeggio_engraver"
 318   \consists "Output_property_engraver"
 319   systemStartDelimiter = #'SystemStartBracket
 320
 321   \consists "System_start_delimiter_engraver"
 322
 323   \defaultchild "Staff"
 324   \accepts "Staff"
 325   \accepts "RhythmicStaff"
 326   \accepts "DrumStaff"
 327   \accepts "GrandStaff"
 328   \accepts "PianoStaff"
 329   \accepts "TabStaff"
 330   \accepts "Lyrics"
 331   \accepts "ChordNames"
 332 }
 333
 334 \context {
 335   \InnerStaffGroup
 336   \name StaffGroup
 337
 338   \description "Groups staves while adding a bracket on the left
 339 side, grouping the staves together.  The bar lines of the contained
 340 staves are connected vertically.  @code{StaffGroup} only consists of
 341 a collection of staves, with a bracket in front and spanning bar lines."
 342
 343   \accepts "InnerChoirStaff"
 344   \accepts "ChoirStaff"
 345   \accepts "InnerStaffGroup"
 346   \accepts "FiguredBass"
 347 }
 348
 349
 350 \context{
 351   \type "Engraver_group"
 352   \override VerticalAxisGroup #'minimum-Y-extent = #'(-0.75 . 2.0)
 353
 354   \description "Corresponds to a voice with lyrics.  Handles the
 355 printing of a single line of lyrics."
 356
 357   \name "Lyrics"
 358   instrumentName = #'()
 359   shortInstrumentName = #'()
 360
 361   \consists "Lyric_engraver"
 362   \consists "Extender_engraver"
 363   \consists "Hyphen_engraver"
 364   \consists "Stanza_number_engraver"
 365   \consists "Instrument_name_engraver"
 366   \consists "Skip_event_swallow_translator"
 367   \consists "Font_size_engraver"
 368   \consists "Hara_kiri_engraver"
 369
 370   \override VerticalAxisGroup #'remove-first = ##t
 371   \override VerticalAxisGroup #'remove-empty = ##t
 372   \override VerticalAxisGroup #'keep-fixed-while-stretching = ##t
 373   \override SeparationItem #'padding = #0.2
 374   \override InstrumentName #'self-alignment-Y = ##f
 375
 376   %% sync with define-grobs.scm ;
 377   \override InstrumentName #'font-size = #1.0
 378
 379   %% make sure that barlines aren't collapsed, when
 380   %% Bar_engraver is there.
 381   \override BarLine #'bar-size = #0.1
 382
 383 }
 384
 385 \context {
 386   \type "Engraver_group"
 387   \name NoteNames
 388   \consists "Axis_group_engraver"
 389
 390   \override VerticalAxisGroup #'minimum-Y-extent = ##f
 391
 392
 393   \consists "Rest_swallow_translator"
 394   \consists "Skip_event_swallow_translator"
 395   \consists "Tie_engraver"
 396   \consists "Note_name_engraver"
 397   \consists "Separating_line_group_engraver"
 398 }
 399
 400 \context {
 401   \type "Engraver_group"
 402   \name ChordNames
 403   \description "Typesets chord names."
 404
 405   \consists "Rest_swallow_translator"
 406   \consists "Output_property_engraver"
 407   \consists "Separating_line_group_engraver"
 408   \consists "Chord_name_engraver"
 409   \consists "Skip_event_swallow_translator"
 410   \consists "Hara_kiri_engraver"
 411 %  \consists "Note_spacing_engraver"
 412   \override VerticalAxisGroup #'minimum-Y-extent = #'(0 . 2)
 413   \override VerticalAxisGroup #'remove-first = ##t
 414   \override VerticalAxisGroup #'remove-empty = ##t
 415 }
 416
 417
 418 RemoveEmptyStaffContext= \context {
 419   \Staff
 420   \remove "Axis_group_engraver"
 421   \consists "Hara_kiri_engraver"
 422   \override Beam #'auto-knee-gap = #'()
 423   \override VerticalAxisGroup #'remove-empty = ##t
 424 }
 425
 426 AncientRemoveEmptyStaffContext = \context {
 427 %% why not add by default?
 428
 429   \RemoveEmptyStaffContext
 430   \accepts "VaticanaVoice"
 431   \accepts "GregorianTranscriptionVoice"
 432   \accepts "MensuralVoice"
 433 }
 434
 435 \context {
 436   \type "Score_engraver"
 437   \name "Score"
 438
 439   \description "This is the top level notation context.  No
 440 other context can contain a @code{Score} context.  This context
 441 handles the administration of time signatures.  It also makes sure
 442 that items such as clefs, time signatures, and key-signatures are
 443 aligned across staves.
 444
 445 You cannot explicitly instantiate a @code{Score} context (since it
 446 is not contained in any other context).  It is instantiated
 447 automatically when an output definition (a @code{\score} or
 448 @code{\layout} block) is processed."
 449
 450   \consists "Paper_column_engraver"
 451   \consists "Vertically_spaced_contexts_engraver"
 452   \consists "Repeat_acknowledge_engraver"
 453   \consists "Staff_collecting_engraver"
 454
 455   %% move the alias along with the engraver.
 456
 457   \consists "Timing_translator"
 458   \consists "Default_bar_line_engraver"
 459   \consists "Output_property_engraver"
 460   \consists "System_start_delimiter_engraver"
 461   \consists "Mark_engraver"
 462   \consists "Volta_engraver"
 463   \consists "Metronome_mark_engraver"
 464   \consists "Break_align_engraver"
 465   \consists "Spacing_engraver"
 466   \consists "Grace_spacing_engraver"
 467   \consists "Vertical_align_engraver"
 468   \consists "Stanza_number_align_engraver"
 469   \consists "Bar_number_engraver"
 470   \consists "Parenthesis_engraver"
 471
 472   \defaultchild "Staff"
 473
 474   \accepts "FretBoards"
 475   \accepts "Staff"
 476   \accepts "RhythmicStaff"
 477   \accepts "TabStaff"
 478   \accepts "VaticanaStaff"
 479   \accepts "GregorianTranscriptionStaff"
 480   \accepts "MensuralStaff"
 481   \accepts "StaffGroup"
 482   \accepts "DrumStaff"
 483   \accepts "Lyrics"
 484   \accepts "ChordNames"
 485   \accepts "GrandStaff"
 486   \accepts "ChoirStaff"
 487   \accepts "PianoStaff"
 488   \accepts "Devnull"
 489   \accepts "NoteNames"
 490   \accepts "FiguredBass"
 491
 492
 493   noteToFretFunction = #determine-frets
 494   soloText = #"Solo"
 495   soloIIText = #"Solo II"
 496   aDueText = #"a2"
 497   printPartCombineTexts = ##t
 498   systemStartDelimiter =#'SystemStartBar
 499
 500   drumStyleTable = #drums-style
 501
 502   melismaBusyProperties = #default-melisma-properties
 503   tieWaitForNote = ##f
 504   clefGlyph = #"clefs.G"
 505   clefPosition = #-2
 506   middleCClefPosition = #-6
 507   middleCPosition = #-6
 508   firstClef = ##t
 509
 510   crescendoSpanner = #'hairpin
 511   decrescendoSpanner = #'hairpin
 512
 513   defaultBarType = #"|"
 514   barNumberVisibility = #first-bar-number-invisible
 515   automaticBars = ##t
 516
 517   explicitClefVisibility = #all-visible
 518   explicitKeySignatureVisibility = #all-visible
 519   implicitTimeSignatureVisibility = #end-of-line-invisible
 520
 521   autoBeamSettings = #default-auto-beam-settings
 522   autoBeaming = ##t
 523   autoBeamCheck = #default-auto-beam-check
 524   scriptDefinitions = #default-script-alist
 525
 526   pedalSustainStrings = #'("Ped." "*Ped." "*")
 527   pedalSustainStyle = #'text
 528   pedalUnaCordaStrings = #'("una corda" "" "tre corde")
 529   pedalUnaCordaStyle = #'text
 530
 531 %% These are in ordinary italic font, including the *,
 532 %% but they are unlikely to be used,
 533 %% as the default pedal-style for SostenutoPedal is 'mixed':
 534 %% i.e.  Sost. Ped_____________________
 535   pedalSostenutoStrings = #'("Sost. Ped." "*Sost. Ped." "*")
 536   pedalSostenutoStyle = #'mixed
 537
 538   harmonicAccidentals = ##t
 539   fingeringOrientations = #'(up down)
 540   stringNumberOrientations = #'(up down)
 541   strokeFingerOrientations = #'(right)
 542
 543   lyricMelismaAlignment = #LEFT
 544   markFormatter = #format-mark-letters
 545   rehearsalMark = #1
 546   subdivideBeams = ##f
 547   allowBeamBreak = ##f
 548   extraNatural = ##t
 549   autoAccidentals = #'(Staff (same-octave . 0))
 550   autoCautionaries = #'()
 551
 552   printKeyCancellation = ##t
 553   keyAlterationOrder = #`(
 554     (6 . ,FLAT) (2  . ,FLAT) (5 . ,FLAT ) (1  . ,FLAT) (4  . ,FLAT) (0  . ,FLAT) (3  . ,FLAT)
 555     (3 . ,SHARP) (0 . ,SHARP) (4 . ,SHARP) (1 . ,SHARP) (5 . ,SHARP) (2 . ,SHARP) (6 . ,SHARP)
 556     (6 . ,DOUBLE-FLAT) (2 . ,DOUBLE-FLAT) (5 . ,DOUBLE-FLAT ) (1 . ,DOUBLE-FLAT) (4 . ,DOUBLE-FLAT) (0 . ,DOUBLE-FLAT) (3 . ,DOUBLE-FLAT)
 557     (3  . ,DOUBLE-SHARP) (0 . ,DOUBLE-SHARP) (4 . ,DOUBLE-SHARP) (2 . ,DOUBLE-SHARP) (5 . ,DOUBLE-SHARP) (2 . ,DOUBLE-SHARP) (6 . ,DOUBLE-SHARP)
 558   )
 559
 560   barCheckSynchronize = ##f
 561
 562 %% chord names:
 563   chordNameFunction = #ignatzek-chord-names
 564   majorSevenSymbol = #whiteTriangleMarkup
 565   chordNameSeparator = #(make-simple-markup  "/")
 566   chordNameExceptions = #ignatzekExceptions
 567   chordNoteNamer = #'()
 568   chordRootNamer = #note-name->markup
 569   chordPrefixSpacer = #0
 570   chordNameExceptionsFull = #fullJazzExceptions
 571   chordNameExceptionsPartial = #partialJazzExceptions
 572
 573
 574   bassStaffProperties = #'((assign clefGlyph "clefs.F")
 575   (assign clefPosition 2)
 576   (assign middleCPosition 6)
 577   (assign middleCClefPosition 6))
 578 %% tablature:
 579   stringOneTopmost = ##t
 580   highStringOne = ##t
 581
 582 %% One may change the strings tuning as following :
 583 %% The lenght of the list must be equal to the number of string
 584   stringTunings = #guitar-tuning
 585   tablatureFormat = #fret-number-tablature-format
 586
 587 %%
 588   figuredBassFormatter = #format-bass-figure
 589   metronomeMarkFormatter = #format-metronome-markup
 590
 591
 592   %% See also make-voice-props-set
 593   graceSettings = #`(
 594     (Voice Stem direction ,UP)
 595     (Voice Stem font-size -3)
 596     (Voice NoteHead font-size -3)
 597     (Voice Dots font-size -3)
 598     (Voice Stem length-fraction 0.8)
 599     (Voice Stem no-stem-extend #t)
 600     (Voice Beam thickness 0.384)
 601     (Voice Beam length-fraction 0.8)
 602     (Voice Accidental font-size -4)
 603     (Voice AccidentalCautionary font-size -4)
 604     (Voice Slur direction ,DOWN)
 605     (Voice Script font-size -3)
 606   )
 607
 608   keepAliveInterfaces = #'(
 609     rhythmic-grob-interface
 610     lyric-interface
 611     percent-repeat-item-interface
 612     percent-repeat-interface
 613
 614     ;; need this, as stanza numbers are items, and appear only once.
 615     stanza-number-interface
 616   )
 617   quotedEventTypes = #'(
 618     note-event
 619     rest-event
 620     tie-event
 621     beam-event
 622     tuplet-span-event)
 623   instrumentTransposition = #(ly:make-pitch 0 0 0)
 624
 625   verticallySpacedContexts = #'(Staff)
 626
 627   timing = ##t
 628 }
 629
 630
 631
 632
 633 \context {
 634   \type "Engraver_group"
 635   \name "FiguredBass"
 636
 637   \consists "Figured_bass_engraver"
 638   \consists "Note_swallow_translator"
 639   \consists "Skip_event_swallow_translator"
 640   \consists "Separating_line_group_engraver"
 641   \consists "Hara_kiri_engraver"
 642
 643   \override VerticalAxisGroup #'remove-empty = ##t
 644   \override VerticalAxisGroup #'remove-first = ##t
 645   \override VerticalAxisGroup #'minimum-Y-extent = #'(0 . 2)
 646 }
 647
 648 \context {
 649   \name "Devnull"
 650   \type "Engraver_group"
 651
 652 %% don't want to route anything out of here:
 653   \alias "Staff"
 654   \alias "Voice"
 655   \consists "Swallow_engraver"
 656   \description "Silently discards all musical information given to this
 657 context."
 658 }
 659
 660 \context {
 661   \Voice
 662   \name "TabVoice"
 663   \alias "Voice"
 664   \consists "Tab_note_heads_engraver"
 665   \consists "Tab_harmonic_engraver"
 666
 667   \remove "Note_heads_engraver"
 668   \remove "Fingering_engraver"
 669   \remove "New_fingering_engraver"
 670
 671   \description "Context for drawing notes in a Tab staff."
 672
 673   %% TabStaff increase the staff-space, which in turn
 674   %% increases beam thickness and spacing; beams are
 675   %% too big. We have to adjust the beam settings:
 676   \override Beam #'thickness = #0.32
 677   \override Beam #'length-fraction = #0.62
 678
 679   %% No accidental in tablature !
 680   \remove Accidental_engraver
 681
 682   \override Glissando #'extra-dy = #0.75
 683   \override Glissando #'bound-details #'right = #`((attach-dir . ,LEFT)
 684                                                    (padding . 0.3))
 685   \override Glissando #'bound-details #'left = #`((attach-dir . ,RIGHT)
 686                                                    (padding . 0.3))
 687   \override Glissando #'extra-dy = #0.75
 688   \override Glissando #'gap = #0.2
 689 }
 690
 691 \context {
 692   \Staff
 693   \alias "Staff"
 694   \name "TabStaff"
 695   \denies "Voice"
 696   \consists "Tab_staff_symbol_engraver"
 697
 698   \description "Context for generating tablature. [DOCME]"
 699
 700   \accepts "TabVoice"
 701   \defaultchild "TabVoice"
 702
 703   %% 6 strings
 704   \override StaffSymbol #'staff-space = #1.5
 705
 706   %% Don't draw stems over the tablature figures !
 707   \override Stem #'avoid-note-head = ##t
 708
 709   %% No accidental in tablature !
 710   \remove "Accidental_engraver"
 711   \remove "Key_engraver"
 712   \remove "String_number_engraver"
 713   %% Special "TAB" clef
 714   clefGlyph = #"clefs.tab"
 715   clefPosition = #0
 716 }
 717
 718 %% TODO: Gregorian Chant contexts should be moved to gregorian-init.ly,
 719 %% but this does not work (is this a bug or intended behaviour?):
 720 %%
 721 %% If I try to do so, I get "error: unknown escaped string:
 722 %% `\VaticanaStaff'" in params-init.ly.  If I also move
 723 %% "\context { \Vaticana*Context }" from params-init.ly to the end
 724 %% of gregorian-init.ly, then I get "error: parse error, unexpected
 725 %% TRANSLATOR: \context { \VaticanaStaff }" in
 726 %% gregorian-init.ly. --jr
 727
 728 \context {
 729   \Voice
 730   \name "VaticanaVoice"
 731   \alias "Voice"
 732   \description "Same as @code{Voice} context, except that it is
 733 accommodated for typesetting Gregorian Chant in the notational style
 734 of Editio Vaticana."
 735
 736   \remove "Slur_engraver"
 737   \remove "Stem_engraver"
 738   \remove "Ligature_bracket_engraver"
 739   \consists "Vaticana_ligature_engraver"
 740
 741   %% Set default head for notes outside of \[ \].
 742   \override NoteHead #'style = #'vaticana.punctum
 743
 744   %% Put some space before and after divisiones.
 745   %% FIXME: This does not seem to show any effect.
 746   \override Script #'padding = #0.5
 747
 748   %% There are no beams in Gregorian Chant notation.
 749   autoBeaming = ##f
 750
 751   %% Prepare TextSpanner for \episem{Initium|Finis} use.
 752   %%
 753   %% FIXME: The line @code{\override TextSpanner #'padding = #-0.1} is
 754   %% required to force the articulation signs being placed vertically
 755   %% tightly to the correpsonding note heads.
 756   %%
 757   \override TextSpanner #'style = #'line
 758   \override TextSpanner #'padding = #-0.1
 759 }
 760
 761 \context {
 762   \Staff
 763   \name "VaticanaStaff"
 764   \alias "Staff"
 765   \denies "Voice"
 766   \accepts "VaticanaVoice"
 767   \defaultchild "VaticanaVoice"
 768
 769   \description "Same as @code{Staff} context, except that it is
 770 accommodated for typesetting Gregorian Chant in the notational style
 771 of Editio Vaticana."
 772
 773   \remove "Time_signature_engraver"
 774   \consists "Custos_engraver"
 775
 776   %% We can not remove Bar_engraver; otherwise clefs and custodes will
 777   %% not show up any more among other line breaking issues.
 778   %% Instead, we make the grob transparent.
 779   \override BarLine #'transparent = ##t
 780
 781   \override StaffSymbol #'line-count = #4
 782   \override StaffSymbol #'thickness = #0.6
 783
 784   %% FIXME: unit on StaffSymbol's width should be \linewidth.
 785   %% \override StaffSymbol #'width = #60.0
 786
 787   %% Choose vaticana do clef on 3rd line as default.
 788   clefGlyph = #"clefs.vaticana.do"
 789   middleCPosition = #1
 790   middleCClefPosition = #1
 791   clefPosition = #1
 792   clefOctavation = #0
 793
 794   %% Select vaticana style font.
 795   \override KeySignature #'style = #'vaticana
 796   \override Accidental #'glyph-name-alist = #alteration-vaticana-glyph-name-alist
 797   \override Custos #'style = #'vaticana
 798   \override Custos #'neutral-position = #3
 799   \override Custos #'neutral-direction = #DOWN
 800   \override Dots #'style = #'vaticana
 801 }
 802
 803 \context {
 804   \Voice
 805   \name "GregorianTranscriptionVoice"
 806   \alias "Voice"
 807
 808   %% Removing ligature bracket engraver without replacing it by some
 809   %% other ligature engraver would cause a "Junking event: `LigatureEvent'"
 810   %% warning for every "\[" and "\]".  Therefore, we make the grob
 811   %% transparent instead.
 812   \override LigatureBracket #'transparent = ##t
 813
 814   %% Put some space before and after divisiones.
 815   %% FIXME: This does not seem to show any effect.
 816   \override Script #'padding = #0.5
 817
 818   %% There are no beams in Gregorian Chant notation.
 819   autoBeaming = ##f
 820
 821   %% Prepare TextSpanner for \episem{Initium|Finis} use.
 822   %%
 823   %% N.B.: dash-fraction MUST be unset; otherwise, TextSpanner will
 824   %% always produce dashed lines, regardless of the style property.
 825   %%
 826   %% FIXME: The line @code{\override TextSpanner #'padding = #-0.1} is
 827   %% required to force the articulation signs being placed vertically
 828   %% tightly to the correpsonding note heads.
 829   %%
 830   \override TextSpanner #'dash-fraction = #'()
 831   \override TextSpanner #'style = #'line
 832   \override TextSpanner #'padding = #-0.1
 833 }
 834
 835 \context {
 836   \Staff
 837   \name "GregorianTranscriptionStaff"
 838   \alias "Staff"
 839   \denies "Voice"
 840   \accepts "GregorianTranscriptionVoice"
 841   \defaultchild "GregorianTranscriptionVoice"
 842
 843   %% We can not remove Bar_engraver; otherwise clefs and custodes will
 844   %% not show up any more among other line breaking issues.
 845   %% Instead, we make the grob transparent.
 846   \override BarLine #'transparent = ##t
 847 }
 848
 849 \context {
 850   \Voice
 851   \name "MensuralVoice"
 852   \alias "Voice"
 853   \description "Same as @code{Voice} context, except that it is
 854 accommodated for typesetting a piece in mensural style."
 855
 856   \remove "Slur_engraver"
 857   \remove "Ligature_bracket_engraver"
 858   \consists "Mensural_ligature_engraver"
 859
 860   %% Set default head for notes outside of \[ \].
 861   \override NoteHead #'style = #'petrucci
 862
 863   %% There are no beams in mensural notation.
 864   autoBeaming = ##f
 865 }
 866
 867 \context {
 868   \Staff
 869   \name "MensuralStaff"
 870   \alias "Staff"
 871   \denies "Voice"
 872   \defaultchild "MensuralVoice"
 873   \accepts "MensuralVoice"
 874   \description "Same as @code{Staff} context, except that it is
 875 accommodated for typesetting a piece in mensural style."
 876
 877   \consists "Custos_engraver"
 878
 879   %% We can not remove Bar_engraver; otherwise clefs and custodes will
 880   %% not show up any more among other line breaking issues.
 881   %% Instead, we make the grob transparent.
 882   \override BarLine #'transparent = ##t
 883
 884   \override StaffSymbol #'thickness = #0.6
 885
 886   %% FIXME: unit on StaffSymbol's width should be \linewidth.
 887   %% \override StaffSymbol #'width = #60.0
 888
 889   %% Choose petrucci g clef on 2nd line as default.
 890   clefGlyph = #"clefs.petrucci.g"
 891   middleCClefPosition = #-6
 892   middleCPosition = #-6
 893   clefPosition = #-2
 894   clefOctavation = #0
 895
 896   %% Select mensural style font.
 897   \override TimeSignature #'style = #'mensural
 898   \override KeySignature #'style = #'mensural
 899   \override Accidental #'glyph-name-alist = #alteration-mensural-glyph-name-alist
 900   \override Custos #'style = #'mensural
 901   \override Custos #'neutral-position = #3
 902   \override Custos #'neutral-direction = #DOWN
 903
 904   %% Accidentals are valid only once (same as
 905   %% #(set-accidental-style 'forget))
 906   extraNatural = ##f
 907   autoAccidentals = #'(Staff (same-octave . -1))
 908   autoCautionaries = #'()
 909   printKeyCancellation = ##f
 910 }
 911
 912
 913 RemoveEmptyRhythmicStaffContext= \context {
 914   \RhythmicStaff
 915   \remove "Axis_group_engraver"
 916   \override VerticalAxisGroup #'remove-empty = ##t
 917   \consists "Hara_kiri_engraver"
 918 }