def test_buildCPAL_invalid_color():
with pytest.raises(
ColorLibError,
match=
r"In palette\[0\]\[1\]: expected \(R, G, B, A\) tuple, got \(1, 1, 1\)",
):
builder.buildCPAL([[(1, 1, 1, 1), (1, 1, 1)]])
with pytest.raises(
ColorLibError,
match=(r"palette\[1\]\[0\] has invalid out-of-range "
r"\[0..1\] color: \(1, 1, -1, 2\)"),
):
builder.buildCPAL([[(0, 0, 0, 0)], [(1, 1, -1, 2)]])
def test_buildCPAL_v0():
palettes = [
[(0.68, 0.20, 0.32, 1.0), (0.45, 0.68, 0.21, 1.0)],
[(0.68, 0.20, 0.32, 0.6), (0.45, 0.68, 0.21, 0.6)],
[(0.68, 0.20, 0.32, 0.3), (0.45, 0.68, 0.21, 0.3)],
]
cpal = builder.buildCPAL(palettes)
assert cpal.tableTag == "CPAL"
assert cpal.version == 0
assert cpal.numPaletteEntries == 2
assert len(cpal.palettes) == 3
assert [tuple(c) for c in cpal.palettes[0]] == [
(82, 51, 173, 255),
(54, 173, 115, 255),
]
assert [tuple(c) for c in cpal.palettes[1]] == [
(82, 51, 173, 153),
(54, 173, 115, 153),
]
assert [tuple(c) for c in cpal.palettes[2]] == [
(82, 51, 173, 76),
(54, 173, 115, 76),
]
def test_buildCPAL_v1_invalid_args_length():
with pytest.raises(ColorLibError, match="Expected 2 paletteTypes, got 1"):
builder.buildCPAL([[(0, 0, 0, 0)], [(1, 1, 1, 1)]], paletteTypes=[1])
with pytest.raises(ColorLibError, match="Expected 2 paletteLabels, got 1"):
builder.buildCPAL(
[[(0, 0, 0, 0)], [(1, 1, 1, 1)]],
paletteLabels=["foo"],
nameTable=newTable("name"),
)
with pytest.raises(ColorLibError, match="Expected 1 paletteEntryLabels, got 0"):
cpal = builder.buildCPAL(
[[(0, 0, 0, 0)], [(1, 1, 1, 1)]],
paletteEntryLabels=[],
nameTable=newTable("name"),
)
def test_build_CPAL_v1_labels():
palettes = [
[(0.1, 0.2, 0.3, 1.0), (0.4, 0.5, 0.6, 1.0)],
[(0.1, 0.2, 0.3, 0.6), (0.4, 0.5, 0.6, 0.6)],
[(0.1, 0.2, 0.3, 0.3), (0.4, 0.5, 0.6, 0.3)],
]
paletteLabels = ["First", {"en": "Second", "it": "Seconda"}, None]
paletteEntryLabels = ["Foo", "Bar"]
with pytest.raises(TypeError, match="nameTable is required"):
builder.buildCPAL(palettes, paletteLabels=paletteLabels)
with pytest.raises(TypeError, match="nameTable is required"):
builder.buildCPAL(palettes, paletteEntryLabels=paletteEntryLabels)
name_table = newTable("name")
name_table.names = []
cpal = builder.buildCPAL(
palettes,
paletteLabels=paletteLabels,
paletteEntryLabels=paletteEntryLabels,
nameTable=name_table,
)
assert cpal.tableTag == "CPAL"
assert cpal.version == 1
assert cpal.numPaletteEntries == 2
assert len(cpal.palettes) == 3
assert cpal.paletteTypes == [cpal.DEFAULT_PALETTE_TYPE] * len(palettes)
assert cpal.paletteLabels == [256, 257, cpal.NO_NAME_ID]
assert cpal.paletteEntryLabels == [258, 259]
assert name_table.getDebugName(256) == "First"
assert name_table.getDebugName(257) == "Second"
assert name_table.getDebugName(258) == "Foo"
assert name_table.getDebugName(259) == "Bar"
def setupCPAL(
self,
palettes,
paletteTypes=None,
paletteLabels=None,
paletteEntryLabels=None,
):
"""Build new CPAL table using list of palettes.
Optionally build CPAL v1 table using paletteTypes, paletteLabels and
paletteEntryLabels.
Cf. `fontTools.colorLib.builder.buildCPAL`.
"""
from fontTools.colorLib.builder import buildCPAL
self.font["CPAL"] = buildCPAL(palettes,
paletteTypes=paletteTypes,
paletteLabels=paletteLabels,
paletteEntryLabels=paletteEntryLabels,
nameTable=self.font.get("name"))
def test_build_CPAL_v1_types_no_labels():
palettes = [
[(0.1, 0.2, 0.3, 1.0), (0.4, 0.5, 0.6, 1.0)],
[(0.1, 0.2, 0.3, 0.6), (0.4, 0.5, 0.6, 0.6)],
[(0.1, 0.2, 0.3, 0.3), (0.4, 0.5, 0.6, 0.3)],
]
paletteTypes = [
builder.ColorPaletteType.USABLE_WITH_LIGHT_BACKGROUND,
builder.ColorPaletteType.USABLE_WITH_DARK_BACKGROUND,
builder.ColorPaletteType.USABLE_WITH_LIGHT_BACKGROUND
| builder.ColorPaletteType.USABLE_WITH_DARK_BACKGROUND,
]
cpal = builder.buildCPAL(palettes, paletteTypes=paletteTypes)
assert cpal.tableTag == "CPAL"
assert cpal.version == 1
assert cpal.numPaletteEntries == 2
assert len(cpal.palettes) == 3
assert cpal.paletteTypes == paletteTypes
assert cpal.paletteLabels == [cpal.NO_NAME_ID] * len(palettes)
assert cpal.paletteEntryLabels == [cpal.NO_NAME_ID] * cpal.numPaletteEntries
def test_buildCPAL_palettes_different_lengths():
with pytest.raises(ColorLibError, match="have different lengths"):
builder.buildCPAL([[(1, 1, 1, 1)], [(0, 0, 0, 1), (0.5, 0.5, 0.5, 1)]])
