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[Experimental] Fix image test #4618

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[Experimental] Fix image test #4618

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cc6aa24
Fix test_image.py
fmuenkel Feb 28, 2026
183191c
Make test_invert_image use the full range of possible RGB values
fmuenkel Mar 1, 2026
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8 changes: 4 additions & 4 deletions manim/mobject/types/image_mobject.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,17 +26,13 @@
)
from ...utils.images import change_to_rgba_array, get_full_raster_image_path

__all__ = ["ImageMobject", "ImageMobjectFromCamera"]

if TYPE_CHECKING:
from typing import Self

import numpy.typing as npt

from manim.typing import PixelArray, StrPath

from ...camera.moving_camera import MovingCamera


class AbstractImageMobject(Mobject):
"""
Expand Down Expand Up @@ -216,6 +212,10 @@ def get_pixel_array(self) -> PixelArray:
"""A simple getter method."""
return self.pixel_array

def init_colors(self) -> None:
"""Override base init_colors to avoid overwriting image pixels during init."""
return None

def set_color( # type: ignore[override]
self,
color: ParsableManimColor = YELLOW_C,
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2 changes: 1 addition & 1 deletion tests/module/mobject/test_image.py
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Expand Up @@ -7,7 +7,7 @@
@pytest.mark.parametrize("dtype", [np.uint8, np.uint16])
def test_invert_image(dtype):
rng = np.random.default_rng()
array = (255 * rng.random((10, 10, 4))).astype(dtype)
array = (np.iinfo(dtype).max * rng.random((10, 10, 4))).astype(dtype)
image = ImageMobject(array, pixel_array_dtype=dtype, invert=True)
assert image.pixel_array.dtype == dtype

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