def make_desordre_lilypond_file(score):
"""
Makes Désordre LilyPond file.
"""
lilypond_file = abjad.LilyPondFile.new(music=score,
default_paper_size=("a4", "letter"),
global_staff_size=14)
lilypond_file.layout_block.indent = 0
lilypond_file.layout_block.ragged_right = True
lilypond_file.layout_block.merge_differently_dotted = True
lilypond_file.layout_block.merge_differently_headed = True
context_block = abjad.ContextBlock(source_lilypond_type="Score")
lilypond_file.layout_block.items.append(context_block)
context_block.remove_commands.append("Bar_number_engraver")
context_block.remove_commands.append("Default_bar_line_engraver")
context_block.remove_commands.append("Timing_translator")
abjad.override(context_block).beam.breakable = True
abjad.override(context_block).glissando.breakable = True
abjad.override(context_block).note_column.ignore_collision = True
abjad.override(context_block).spacing_spanner.uniform_stretching = True
abjad.override(context_block).text_script.staff_padding = 4
abjad.override(context_block).text_spanner.breakable = True
abjad.override(context_block).tuplet_bracket.bracket_visibility = True
abjad.override(context_block).tuplet_bracket.minimum_length = 3
abjad.override(context_block).tuplet_bracket.padding = 2
scheme = abjad.Scheme("ly:spanner::set-spacing-rods")
abjad.override(context_block).tuplet_bracket.springs_and_rods = scheme
scheme = abjad.Scheme("tuplet-number::calc-fraction-text")
abjad.override(context_block).tuplet_number.text = scheme
abjad.setting(context_block).autoBeaming = False
moment = abjad.SchemeMoment((1, 12))
abjad.setting(context_block).proportionalNotationDuration = moment
abjad.setting(context_block).tupletFullLength = True
context_block = abjad.ContextBlock(source_lilypond_type="Staff")
lilypond_file.layout_block.items.append(context_block)
# LilyPond CAUTION: Timing_translator must appear
# before Default_bar_line_engraver!
context_block.consists_commands.append("Timing_translator")
context_block.consists_commands.append("Default_bar_line_engraver")
scheme = abjad.Scheme("'numbered")
abjad.override(context_block).time_signature.style = scheme
context_block = abjad.ContextBlock(source_lilypond_type="RhythmicStaff")
lilypond_file.layout_block.items.append(context_block)
# LilyPond CAUTION: Timing_translator must appear
# before Default_bar_line_engraver!
context_block.consists_commands.append("Timing_translator")
context_block.consists_commands.append("Default_bar_line_engraver")
scheme = abjad.Scheme("'numbered")
abjad.override(context_block).time_signature.style = scheme
pair = (-2, 4)
abjad.override(context_block).vertical_axis_group.minimum_Y_extent = pair
context_block = abjad.ContextBlock(source_lilypond_type="Voice")
lilypond_file.layout_block.items.append(context_block)
context_block.remove_commands.append("Forbid_line_break_engraver")
return lilypond_file
def render_score(score, beats, jigs):
# adapted from https://github.com/Abjad/abjad/blob/5c7f5f7abd8013f99b60c9ceb3a91c771abbca7c/abjad/demos/ligeti/make_desordre_lilypond_file.py
file = abjad.LilyPondFile.new(score, global_staff_size=18)
context_block = abjad.ContextBlock(source_context_name='Score')
file.layout_block.items.append(context_block)
# for future reference: http://lilypond.org/doc/v2.18/Documentation/learning/engravers-explained.en.html
context_block.remove_commands.append('Bar_number_engraver')
context_block.remove_commands.append('Default_bar_line_engraver')
abjad.override(context_block).clef.transparent = True
abjad.override(context_block).spacing_spanner.strict_grace_spacing = True
abjad.override(context_block).spacing_spanner.strict_note_spacing = True
abjad.override(context_block).spacing_spanner.uniform_stretching = True
abjad.override(context_block).text_script.staff_padding = 0
abjad.override(context_block).time_signature.transparent = True
abjad.override(context_block).rest.transparent = True
abjad.override(context_block).dots.transparent = True
file.header_block.tagline = ' '
file.paper_block.paper_width = beats * 15
file.paper_block.paper_height = jigs * 20
file.paper_block.bottom_margin = 0
file.paper_block.left_margin = 0
vector = abjad.SpacingVector(0, 0, 15, 0)
#file.paper_block.system_system_spacing = vector
abjad.show(file)
def configure_lilypond_file(lilypond_file):
"""
Configures LilyPond file.
"""
lilypond_file._global_staff_size = 8
context_block = abjad.ContextBlock(
source_lilypond_type=r'Staff \RemoveEmptyStaves', )
abjad.override(context_block).vertical_axis_group.remove_first = True
lilypond_file.layout_block.items.append(context_block)
lilypond_file.paper_block.system_separator_markup = 'slashSeparator'
bottom_margin = abjad.LilyPondDimension(0.5, 'in')
lilypond_file.paper_block.bottom_margin = bottom_margin
top_margin = abjad.LilyPondDimension(0.5, 'in')
lilypond_file.paper_block.top_margin = top_margin
left_margin = abjad.LilyPondDimension(0.75, 'in')
lilypond_file.paper_block.left_margin = left_margin
right_margin = abjad.LilyPondDimension(0.5, 'in')
lilypond_file.paper_block.right_margin = right_margin
paper_width = abjad.LilyPondDimension(5.25, 'in')
lilypond_file.paper_block.paper_width = paper_width
paper_height = abjad.LilyPondDimension(7.25, 'in')
lilypond_file.paper_block.paper_height = paper_height
lilypond_file.header_block.composer = abjad.Markup('Arvo Pärt')
title = 'Cantus in Memory of Benjamin Britten (1980)'
lilypond_file.header_block.title = abjad.Markup(title)
def test_custom_score_template_class_02():
"""
Score template with custom (voice and staff) contexts.
CAUTION: always use built-in LilyPond score context; do not rename.
"""
class CustomContextScoreTemplate(abjad.ScoreTemplate):
### INITIALIZER ###
def __init__(self):
pass
### SPECIAL METHODS ###
def __call__(self):
custom_voice = abjad.Voice(lilypond_type="CustomVoice")
custom_staff = abjad.Staff(lilypond_type="CustomStaff")
score = abjad.Score()
custom_staff.append(custom_voice)
score.append(custom_staff)
return score
custom_context_score_template = CustomContextScoreTemplate()
score = custom_context_score_template()
assert format(score) == abjad.String.normalize(
r"""
\new Score
<<
\new CustomStaff
{
\new CustomVoice
{
}
}
>>
"""
)
# here's how to properly override with externalized layout
score = custom_context_score_template()
score[0][0].extend("c'4 ( d'4 e'4 f'4 )")
lilypond_file = abjad.LilyPondFile.new(score)
context_block = abjad.ContextBlock(
source_lilypond_type="Voice",
type_="Engraver_group",
name="CustomVoice",
alias="Voice",
)
lilypond_file.layout_block.items.append(context_block)
abjad.override(context_block).note_head.color = "green"
abjad.override(context_block).stem.color = "green"
context_block = abjad.ContextBlock(
source_lilypond_type="Staff",
type_="Engraver_group",
name="CustomStaff",
alias="Staff",
)
lilypond_file.layout_block.items.append(context_block)
context_block.accepts_commands.append("CustomVoice")
abjad.override(context_block).staff_symbol.color = "red"
context_block = abjad.ContextBlock(source_lilypond_type="Score")
lilypond_file.layout_block.items.append(context_block)
context_block.accepts_commands.append("CustomStaff")
assert format(lilypond_file.layout_block) == abjad.String.normalize(
r"""
\layout {
\context {
\Voice
\name CustomVoice
\type Engraver_group
\alias Voice
\override NoteHead.color = #green
\override Stem.color = #green
}
\context {
\Staff
\name CustomStaff
\type Engraver_group
\alias Staff
\accepts CustomVoice
\override StaffSymbol.color = #red
}
\context {
\Score
\accepts CustomStaff
}
}
"""
)
assert format(lilypond_file.score_block) == abjad.String.normalize(
r"""
\score {
\new Score
<<
\new CustomStaff
{
\new CustomVoice
{
c'4
(
d'4
e'4
f'4
)
}
}
>>
}
"""
)
