def test_CrossFader_02():
fade_out_container = abjad.Container(r"c'4 d'4 ~ d'4 r4")
fade_in_container = abjad.Container(r"r2 c''2")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
assert len(fader) == 3
fade_out_container = abjad.Container(r"fs'4 g'2 bf'4")
fade_in_container = abjad.Container(r"\times 4/5 {cs''4 d''1}")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
assert len(fader) == 5
fade_out_container = abjad.Container(r"c'4 d'4 ~ d'4 r4")
fade_in_container = abjad.Container(r"r2 <c'' e'' g''>2")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
assert len(fader) == 5
def test_CrossFader_11():
random.seed(41379)
fade_out_container = abjad.Container(r"a'4 bf'2 r4")
fade_in_container = abjad.Container(r"c''2 d''2")
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
initial_repetitions=2,
final_repetitions=3,
)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
a'4
bf'2
r4
a'4
bf'2
r4
r4
bf'2
r4
r4
bf'2
r4
r4
bf'2
r4
R1
R1
R1
}
\new Staff
{
\time 4/4
R1
R1
R1
r2
d''2
c''2
d''2
c''2
d''2
c''2
d''2
c''2
d''2
}
>>
"""
)
def test_CrossFader_13():
random.seed(81943)
fade_out_container = abjad.Container(
r"\time 3/4 a'4 bf'2 ~ \time 2/4 bf'4 f'4")
fade_in_container = abjad.Container(
r"\time 3/4 r16 cs''4.. e''4 \time 2/4 d''2")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
selection_a, selection_b = fader.output_n(3)
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert format(score) == abjad.String.normalize(r"""
\new Score
<<
\new Staff
{
\time 3/4
a'4
bf'2
~
\time 2/4
bf'4
f'4
\time 3/4
a'4
bf'2
~
\time 2/4
bf'4
f'4
\time 3/4
a'4
bf'2
~
\time 2/4
bf'4
r4
}
\new Staff
{
\time 3/4
R1 * 3/4
\time 2/4
R1 * 1/2
\time 3/4
r16
cs''4..
r4
\time 2/4
R1 * 1/2
\time 3/4
r16
cs''4..
r4
\time 2/4
R1 * 1/2
}
>>
""")
def test_CrossFader_06():
random.seed(10711)
fade_out_container = abjad.Container(r"e'8 fs'4. r2")
fade_in_container = abjad.Container(r"c''2 ~ c''8 d''4.")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
staff_a = abjad.Staff()
staff_b = abjad.Staff()
score = abjad.Score([staff_a, staff_b])
for selection_a, selection_b in fader:
staff_a.extend(selection_a)
staff_b.extend(selection_b)
assert format(score) == abjad.String.normalize(r"""
\new Score
<<
\new Staff
{
\time 4/4
e'8
fs'4.
r2
\time 4/4
e'8
fs'4.
r2
\time 4/4
e'8
r2..
\time 4/4
e'8
r2..
\time 4/4
R1
}
\new Staff
{
\time 4/4
R1
\time 4/4
c''2
~
c''8
r4.
\time 4/4
c''2
~
c''8
r4.
\time 4/4
c''2
~
c''8
d''4.
\time 4/4
c''2
~
c''8
d''4.
}
>>
""")
def test_CrossFader_04():
random.seed(44811)
fade_out_container = abjad.Container(r"fs'4 g'2 bf'4")
fade_in_container = abjad.Container(r"\times 4/5 {cs''4 d'1}")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert format(score) == abjad.String.normalize(r"""
\new Score
<<
\new Staff
{
\time 4/4
fs'4
g'2
bf'4
fs'4
g'2
bf'4
fs'4
r2
bf'4
fs'4
r2
bf'4
r2.
bf'4
R1
}
\new Staff
{
\time 4/4
R1
\times 4/5 {
cs''4
r1
}
\times 4/5 {
cs''4
r1
}
\times 4/5 {
cs''4
d'1
}
\times 4/5 {
cs''4
d'1
}
\times 4/5 {
cs''4
d'1
}
}
>>
""")
def test_CrossFader_03():
random.seed(44811)
fade_out_container = abjad.Container(r"fs'4 g'2 bf'4")
fade_in_container = abjad.Container(r"\times 4/5 {cs''4 d'1}")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
staff_a = abjad.Staff()
staff_b = abjad.Staff()
score = abjad.Score([staff_a, staff_b])
for _ in range(3):
selection_a, selection_b = fader()
staff_a.extend(selection_a)
staff_b.extend(selection_b)
fader.reset()
selection_a, selection_b = fader()
staff_a.extend(selection_a)
staff_b.extend(selection_b)
assert format(score) == abjad.String.normalize(r"""
\new Score
<<
\new Staff
{
\time 4/4
fs'4
g'2
bf'4
\time 4/4
fs'4
g'2
bf'4
\time 4/4
fs'4
r2
bf'4
\time 4/4
fs'4
g'2
bf'4
}
\new Staff
{
\time 4/4
R1
\times 4/5 {
\time 4/4
cs''4
r1
}
\times 4/5 {
\time 4/4
cs''4
r1
}
\time 4/4
R1
}
>>
""")
def test_CrossFader_16():
random.seed(81662)
fade_out_container = abjad.Container(r"\time 3/4 c'4 d'4 e'4")
fade_in_container = abjad.Container(r"\time 4/4 g'2 a'2")
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
fade_in_first=True,
fade_out_last=True,
weighted_duration=True,
)
selection_a, selection_b = fader.output_all()
staff_a = abjad.Staff(selection_a)
staff_b = abjad.Staff(selection_b)
auxjad.mutate.sync_containers([staff_a, staff_b])
score = abjad.Score([staff_a, staff_b])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 3/4
c'4
d'4
e'4
c'4
d'4
e'4
c'4
r4
e'4
c'4
r2
c'4
r2
R1 * 3/4
R1 * 3/4
R1 * 3/4
}
\new Staff
{
\time 4/4
R1
r2
a'2
r2
a'2
r2
a'2
g'2
a'2
g'2
a'2
}
>>
"""
)
def test_CrossFader_17():
fade_out_container = abjad.Container(r"fs'4 g'2 bf'4")
fade_in_container = abjad.Container(r"\times 4/5 {cs''4 d''1}")
fader = auxjad.CrossFader(
fade_out_container,
fade_in_container,
fade_in_first=True,
fade_out_last=True,
initial_repetitions=3,
final_repetitions=3,
repetition_chance=0.7,
weighted_duration=True,
disable_rewrite_meter=True,
omit_time_signatures=True,
use_multimeasure_rests=True,
boundary_depth=True,
maximum_dot_count=True,
rewrite_tuplets=True,
)
assert fader.fade_in_first
assert fader.fade_out_last
assert fader.initial_repetitions == 3
assert fader.final_repetitions == 3
assert fader.repetition_chance == 0.7
assert fader.weighted_duration
assert fader.disable_rewrite_meter
assert fader.omit_time_signatures
assert fader.use_multimeasure_rests
assert fader.boundary_depth
assert fader.maximum_dot_count
assert fader.rewrite_tuplets
fader.fade_in_first = False
fader.fade_out_last = False
fader.initial_repetitions = 4
fader.final_repetitions = 7
fader.repetition_chance = 0.23
fader.weighted_duration = False
fader.disable_rewrite_meter = False
fader.omit_time_signatures = False
fader.use_multimeasure_rests = False
fader.boundary_depth = False
fader.maximum_dot_count = False
fader.rewrite_tuplets = False
assert not fader.fade_in_first
assert not fader.fade_out_last
assert fader.initial_repetitions == 4
assert fader.final_repetitions == 7
assert fader.repetition_chance == 0.23
assert not fader.weighted_duration
assert not fader.disable_rewrite_meter
assert not fader.omit_time_signatures
assert not fader.use_multimeasure_rests
assert not fader.boundary_depth
assert not fader.maximum_dot_count
assert not fader.rewrite_tuplets
def test_CrossFader_15():
random.seed(33163)
fade_out_container = abjad.Container(r"c'8 d'4 e'8 ~ e'2")
fade_in_container = abjad.Container(r"c'2 d'2")
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
disable_rewrite_meter=True,
)
selection_a, selection_b = fader.output_n(3)
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
c'8
d'4
e'8
~
e'2
r8
d'4
e'8
~
e'2
r8
d'4
e'8
~
e'2
}
\new Staff
{
\time 4/4
R1
R1
r2
d'2
}
>>
"""
)
def test_CrossFader_12():
random.seed(91766)
fade_out_container = abjad.Container(r"a'4 bf'2 r4")
fade_in_container = abjad.Container(r"c''2 d''2")
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
repetition_chance=0.8,
)
selection_a, selection_b = fader.output_n(4)
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
a'4
bf'2
r4
a'4
bf'2
r4
a'4
bf'2
r4
a'4
bf'2
r4
}
\new Staff
{
\time 4/4
R1
r2
d''2
r2
d''2
r2
d''2
}
>>
"""
)
def test_CrossFader_07():
random.seed(87114)
fade_out_container = abjad.Container(r"e'8 fs'4. r2")
fade_in_container = abjad.Container(r"c''2 ~ c''8 d''4.")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
staff_a = abjad.Staff()
staff_b = abjad.Staff()
score = abjad.Score([staff_a, staff_b])
for _ in range(3):
selection_a, selection_b = next(fader)
staff_a.extend(selection_a)
staff_b.extend(selection_b)
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
e'8
fs'4.
r2
\time 4/4
e'8
r2..
\time 4/4
e'8
r2..
}
\new Staff
{
\time 4/4
R1
\time 4/4
R1
\time 4/4
c''2
~
c''8
r4.
}
>>
"""
)
def test_CrossFader_05():
random.seed(10711)
fade_out_container = abjad.Container(r"e'8 fs'4. r2")
fade_in_container = abjad.Container(r"c''2 ~ c''8 d''4.")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
selection_a, selection_b = fader.output_n(3)
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
e'8
fs'4.
r2
e'8
fs'4.
r2
e'8
r2..
}
\new Staff
{
\time 4/4
R1
c''2
~
c''8
r4.
c''2
~
c''8
r4.
}
>>
"""
)
def test_CrossFader_14():
random.seed(75991)
fade_out_container = abjad.Container(r"fs'4 g'2 bf'4")
fade_in_container = abjad.Container(r"\times 4/5 {cs''4 d''1}")
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
omit_time_signatures=True,
)
selection_a, selection_b = fader.output_n(3)
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
fs'4
g'2
bf'4
fs'4
g'2
r4
fs'4
g'2
r4
}
\new Staff
{
R1
R1
\times 4/5
{
cs''4
r1
}
}
>>
"""
)
def test_CrossFader_10():
fade_out_container = abjad.Container(r"\time 3/4 e2 \times 2/3 {fs8 gs4}")
fade_in_container = abjad.Container(r"\time 3/4 c'8 d' e' f' g' a'")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
fader.fade_out_contents = abjad.Container(r"\time 3/4 a4. bf4.")
assert format(fader) == abjad.String.normalize(r"""
{
%%% \time 3/4 %%%
a4.
bf4.
}
{
%%% \time 3/4 %%%
c'8
d'8
e'8
f'8
g'8
a'8
}
""")
def test_CrossFader_19():
random.seed(25519)
fade_out_container = abjad.Container(r"\times 2/3 {<c' e'>2 g'1}")
fade_in_container = abjad.Container(r"<d' ef'>2. <bf a'>4")
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
fade_in_first=True,
fade_out_last=True,
)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\times 2/3
{
\time 4/4
<c' e'>2
g'1
}
\times 2/3
{
<c' e'>2
g'1
}
\times 2/3
{
<c' e'>2
g'1
}
\times 2/3
{
<c' e'>2
g'1
}
\times 2/3
{
c'2
g'1
}
\times 2/3
{
c'2
g'1
}
\times 2/3
{
c'2
r1
}
R1
}
\new Staff
{
\time 4/4
R1
ef'2.
r4
<d' ef'>2.
r4
<d' ef'>2.
bf4
<d' ef'>2.
bf4
<d' ef'>2.
<bf a'>4
<d' ef'>2.
<bf a'>4
<d' ef'>2.
<bf a'>4
}
>>
"""
)
def test_CrossFader_18():
random.seed(97142)
fade_out_container = abjad.Container(r"c'4.\p e'8--\f ~ e'2")
fade_in_container = abjad.Container(
r"\times 2/3 {f'4-.\pp r4 d'4->\f ~ } d'2"
)
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
fade_in_first=True,
fade_out_last=True,
)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
c'4.
\p
e'8
\f
- \tenuto
~
e'2
c'4.
\p
e'8
\f
- \tenuto
~
e'2
r4.
e'8
- \tenuto
~
e'2
r4.
e'8
- \tenuto
~
e'2
R1
}
\new Staff
{
\time 4/4
R1
\times 2/3
{
f'4
\pp
- \staccato
r2
}
r2
\times 2/3
{
f'4
- \staccato
r2
}
r2
\times 2/3
{
f'4
- \staccato
r4
d'4
\f
- \accent
~
}
d'2
\times 2/3
{
f'4
\pp
- \staccato
r4
d'4
\f
- \accent
~
}
d'2
}
>>
"""
)
def test_CrossFader_01():
random.seed(17737)
fade_out_container = abjad.Staff(r"fs'4 g'2 bf'4")
fade_in_container = abjad.Staff(r"\times 4/5 {cs''4 d''1}")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
assert abjad.lilypond(fader) == abjad.String.normalize(
r"""
\new Staff
{
\time 4/4
fs'4
g'2
bf'4
}
\new Staff
{
\times 4/5
{
\time 4/4
cs''4
d''1
}
}
"""
)
selection_a, selection_b = fader()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
fs'4
g'2
bf'4
}
\new Staff
{
\time 4/4
R1
}
>>
"""
)
selection_a, selection_b = fader()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
fs'4
g'2
bf'4
}
\new Staff
{
\times 4/5
{
\time 4/4
r4
d''1
}
}
>>
"""
)
selection_a, selection_b = fader.current_window
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
fs'4
g'2
bf'4
}
\new Staff
{
\times 4/5
{
\time 4/4
r4
d''1
}
}
>>
"""
)
def test_CrossFader_09():
random.seed(50137)
fade_out_container = abjad.Container(r"e'2 c'2")
fade_in_container = abjad.Container(
r"c''8 d''8 e''8 f''8 g''8 a''8 b''8 c'''8"
)
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
e'2
c'2
e'2
c'2
r2
c'2
r2
c'2
r2
c'2
R1
R1
R1
R1
R1
R1
}
\new Staff
{
\time 4/4
R1
r4.
f''8
r2
r4.
f''8
r2
r4.
f''8
r8
a''8
r4
r4.
f''8
r8
a''8
b''8
r8
r4.
f''8
r8
a''8
b''8
r8
r4.
f''8
r8
a''8
b''8
c'''8
r4
e''8
f''8
r8
a''8
b''8
c'''8
r8
d''8
e''8
f''8
r8
a''8
b''8
c'''8
c''8
d''8
e''8
f''8
r8
a''8
b''8
c'''8
c''8
d''8
e''8
f''8
g''8
a''8
b''8
c'''8
}
>>
"""
)
random.seed(50137)
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
weighted_duration=True,
)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 4/4
e'2
c'2
e'2
c'2
r2
c'2
r2
c'2
r2
c'2
r2
c'2
r2
c'2
r2
c'2
r2
c'2
r2
c'2
R1
}
\new Staff
{
\time 4/4
R1
r4.
f''8
r2
r4.
f''8
r2
r4.
f''8
r8
a''8
r4
r4.
f''8
r8
a''8
b''8
r8
r4
e''8
f''8
r8
a''8
b''8
r8
r4
e''8
f''8
g''8
a''8
b''8
r8
c''8
r8
e''8
f''8
g''8
a''8
b''8
r8
c''8
r8
e''8
f''8
g''8
a''8
b''8
c'''8
c''8
d''8
e''8
f''8
g''8
a''8
b''8
c'''8
c''8
d''8
e''8
f''8
g''8
a''8
b''8
c'''8
}
>>
"""
)
def test_CrossFader_08():
random.seed(62190)
fade_out_container = abjad.Container(r"\time 3/4 r4 c'4 d'4")
fade_in_container = abjad.Container(r"\time 3/4 a''4 g''2")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 3/4
r4
c'4
d'4
r2
d'4
r2
d'4
R1 * 3/4
R1 * 3/4
}
\new Staff
{
\time 3/4
R1 * 3/4
R1 * 3/4
a''4
r2
a''4
r2
a''4
g''2
}
>>
"""
)
random.seed(62190)
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
fade_out_last=True,
)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 3/4
r4
c'4
d'4
r2
d'4
r2
d'4
r2
d'4
R1 * 3/4
}
\new Staff
{
\time 3/4
R1 * 3/4
R1 * 3/4
a''4
r2
a''4
g''2
a''4
g''2
}
>>
"""
)
random.seed(62190)
fader = auxjad.CrossFader(fade_out_container,
fade_in_container,
fade_in_first=True,
fade_out_last=True,
)
selection_a, selection_b = fader.output_all()
score = abjad.Score([
abjad.Staff(selection_a),
abjad.Staff(selection_b),
])
assert abjad.lilypond(score) == abjad.String.normalize(
r"""
\new Score
<<
\new Staff
{
\time 3/4
r4
c'4
d'4
r4
c'4
d'4
r4
c'4
d'4
r2
d'4
R1 * 3/4
}
\new Staff
{
\time 3/4
R1 * 3/4
a''4
r2
a''4
g''2
a''4
g''2
a''4
g''2
}
>>
"""
)
def test_CrossFader_20():
random.seed(87144)
fade_out_container = abjad.Container(r"b'8 c''8 e''2 g''4")
fade_in_container = abjad.Container(r"\times 2/3 {e'2 d'2 c'2}")
fader = auxjad.CrossFader(fade_out_container, fade_in_container)
selection_a, selection_b = fader.output_all()
literal_voice_one = abjad.LilyPondLiteral(r'\voiceOne')
literal_voice_two = abjad.LilyPondLiteral(r'\voiceTwo')
abjad.attach(literal_voice_one, selection_a[0])
abjad.attach(literal_voice_two, selection_b[0])
staff = abjad.Staff(
[abjad.Voice(selection_a), abjad.Voice(selection_b)],
simultaneous=True,
)
assert abjad.lilypond(staff) == abjad.String.normalize(
r"""
\new Staff
<<
\new Voice
{
\time 4/4
\voiceOne
b'8
c''8
e''2
g''4
b'8
c''8
e''2
r4
b'8
c''8
e''2
r4
b'8
c''8
e''2
r4
b'8
c''8
e''2
r4
b'8
c''8
r2.
b'8
r2..
R1
}
\new Voice
{
\time 4/4
\voiceTwo
R1
R1
\times 2/3
{
r1
c'2
}
\times 2/3
{
e'2
r2
c'2
}
\times 2/3
{
e'2
d'2
c'2
}
\times 2/3
{
e'2
d'2
c'2
}
\times 2/3
{
e'2
d'2
c'2
}
\times 2/3
{
e'2
d'2
c'2
}
}
>>
"""
)
