nan
489003c2cc
- Introduced color_image.py for preparing standalone color images for tests. - Added hdr_image.py to create HDR textures for testing. - Implemented test_image_depth_panorama.py to evaluate panorama topology, UVs, and depth discontinuities. - Created test_shadeless.py to validate the opacity and HDR color endpoints of the Shadeless group. - Developed moge3_export.py for exporting dynamic MoGe-3 backbone and ONNX graphs. - Added material.py to inherit material slots onto generated geometry. - Built image_depth_panorama.py to construct a quad panorama with depth separation and sampling.
226 lines
11 KiB
Python
226 lines
11 KiB
Python
from types import SimpleNamespace
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from unittest.mock import patch
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import bpy
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import numpy as np
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import pytest
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from PIL import Image
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from anyimage import preferences
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from anyimage.common import image as images
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from anyimage.common import material
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from anyimage.operators.clipboard_image import actions as clipboard
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from tests.support.color_image import color_image
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@pytest.fixture
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def color_data():
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original_images = set(bpy.data.images)
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original_materials = set(bpy.data.materials)
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original_objects = set(bpy.data.objects)
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yield
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for obj in set(bpy.data.objects) - original_objects:
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bpy.data.objects.remove(obj, do_unlink=True)
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for item in set(bpy.data.materials) - original_materials:
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bpy.data.materials.remove(item, do_unlink=True)
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for item in set(bpy.data.images) - original_images:
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bpy.data.images.remove(item, do_unlink=True)
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def view_scene(view):
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return SimpleNamespace(view_settings=SimpleNamespace(view_transform=view))
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def color_texture(result):
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return next(node.image for node in result.node_tree.nodes if node.type == "TEX_IMAGE")
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def test_adaptation_preference_defaults_and_reads_current_value():
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with patch.object(preferences, "addon_preferences", return_value=None):
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assert preferences.configured_material_view_adaptation()
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with patch.object(preferences, "addon_preferences", return_value=SimpleNamespace()):
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assert preferences.configured_material_view_adaptation()
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settings = SimpleNamespace(adapt_material_to_view_transform=False)
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with patch.object(preferences, "addon_preferences", return_value=settings):
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assert not preferences.configured_material_view_adaptation()
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settings.adapt_material_to_view_transform = True
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assert preferences.configured_material_view_adaptation()
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@pytest.mark.parametrize("enabled", [False, True])
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@pytest.mark.parametrize("view,space", [*material.VIEW_TRANSFORM_COLOR_SPACES, ("Standard", "sRGB"), ("Unknown", "sRGB")])
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def test_color_space_and_alpha_follow_preference(color_data, enabled, view, space):
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image = bpy.data.images.new("Material policy", width=2, height=1, alpha=True)
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expected = np.array([0.2, 0.4, 0.8, 0.25, 0.6, 0.3, 0.1, 0], dtype=np.float32)
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image.pixels.foreach_set(expected)
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settings = SimpleNamespace(adapt_material_to_view_transform=enabled)
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# The installed bpy may not include newer view transforms such as ACES 2.0.
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try:
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image.colorspace_settings.name = space
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except TypeError:
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space = "sRGB"
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image.colorspace_settings.name = "sRGB"
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image.pixels.foreach_set(expected)
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with patch.object(preferences, "addon_preferences", return_value=settings):
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result = material.configure_material_color_image(image, view_scene(view))
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selected = space if enabled else "sRGB"
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assert result.colorspace_settings.name == selected
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assert result.alpha_mode == ("PREMUL" if selected == "sRGB" else "STRAIGHT")
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assert settings.adapt_material_to_view_transform == enabled
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np.testing.assert_allclose(images.image_pixels(result), expected, atol=1 / 255)
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@pytest.mark.parametrize("enabled", [False, True])
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@pytest.mark.parametrize("kind", [
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"byte", "packed", "file", "dirty",
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"float",
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])
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def test_material_pixels_survive_pack_and_library_reload(color_data, tmp_path, enabled, kind):
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expected = np.array([[[51, 102, 204, 64], [153, 76, 25, 0]]], dtype=np.uint8)
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if kind in {"file", "dirty"}:
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path = tmp_path / "source.png"
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Image.fromarray(expected).save(path)
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source = bpy.data.images.load(str(path), check_existing=False)
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if kind == "dirty":
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source.pixels.foreach_set((expected.astype(np.float32) / 255).ravel())
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else:
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source = bpy.data.images.new("Material pixels", width=2, height=1, alpha=True, float_buffer=kind == "float")
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source.pixels.foreach_set((expected.astype(np.float32) / 255).ravel())
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if kind == "packed":
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source.pack()
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source.reload()
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images.configure_color_alpha(source)
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before = images.image_pixels(source)
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owner = bpy.data.objects.new("Color source owner", None)
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owner.empty_display_type = "IMAGE"
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owner.data = source
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with patch.object(material, "configured_material_view_adaptation", return_value=enabled):
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result = material.configure_material_color_image(source, view_scene("AgX"))
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assert result == source
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np.testing.assert_allclose(images.image_pixels(source), before, atol=1 / 255)
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np.testing.assert_allclose(images.image_pixels(result), before, atol=1 / 255)
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if result.packed_file is None or result.is_dirty:
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result.pack()
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selected = (result.colorspace_settings.name, result.alpha_mode)
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path = tmp_path / "material.blend"
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bpy.data.libraries.write(str(path), {result})
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with bpy.data.libraries.load(str(path)) as (available, loaded):
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loaded.images = available.images
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restored = loaded.images[0]
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assert (restored.colorspace_settings.name, restored.alpha_mode) == selected
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np.testing.assert_allclose(images.image_pixels(restored), before, atol=1 / 255)
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edited = images.create_image_edit_result(restored, images.image_pixels(restored), (2, 1))
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assert edited.alpha_mode == selected[1]
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np.testing.assert_allclose(images.image_pixels(edited), before, atol=1 / 255)
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@pytest.mark.parametrize("shadeless", [False, True])
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@pytest.mark.parametrize("entry", ["plane", "cutout", "depth", "clipboard"])
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def test_material_configures_the_image_selected_by_its_caller(color_data, entry, shadeless):
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source = bpy.data.images.new("Shared source", width=2, height=2, alpha=True)
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source.pixels.foreach_set(np.tile(np.array([0.2, 0.4, 0.8, 0.25], dtype=np.float32), 4))
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owner = bpy.data.objects.new("Shared Empty", None)
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owner.empty_display_type = "IMAGE"
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owner.data = source
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before = images.image_pixels(source)
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scene = view_scene("AgX")
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settings = SimpleNamespace(adapt_material_to_view_transform=True)
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data_textures = {}
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if entry == "depth":
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for key in ("displacement_image", "normal_image"):
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image = bpy.data.images.new(key, width=2, height=2, float_buffer=True)
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image.colorspace_settings.name = "Non-Color"
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data_textures[key] = image
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data_states = {
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key: (image.colorspace_settings.name, image.alpha_mode, images.image_pixels(image))
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for key, image in data_textures.items()
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}
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with patch.object(preferences, "addon_preferences", return_value=settings):
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if entry == "clipboard":
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first = clipboard.create_image_material(source, source, shadeless=shadeless, scene=scene)
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else:
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if entry == "cutout":
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color = color_image(owner.data, (0, 0, 2, 2), images.image_rgba(source))
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else:
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color = source
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first = material.create_image_material(owner.data, color, 0, shadeless=shadeless, scene=scene, **data_textures)
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original_color = color_texture(first)
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assert original_color.colorspace_settings.name == "AgX Base sRGB"
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assert original_color.alpha_mode == "STRAIGHT"
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settings.adapt_material_to_view_transform = False
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assert original_color.alpha_mode == "STRAIGHT"
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if entry == "clipboard":
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second = clipboard.create_image_material(original_color, original_color, shadeless=shadeless, scene=scene)
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else:
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second = material.create_image_material(owner.data, original_color, 0, shadeless=shadeless, scene=scene)
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new_color = color_texture(second)
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assert new_color == original_color
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assert new_color.colorspace_settings.name == "sRGB"
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assert new_color.alpha_mode == "PREMUL"
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assert original_color.colorspace_settings.name == "sRGB"
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assert original_color.alpha_mode == "PREMUL"
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assert not settings.adapt_material_to_view_transform
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assert owner.data == source
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assert source.colorspace_settings.name == "sRGB"
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assert source.alpha_mode == ("STRAIGHT" if entry == "cutout" else "PREMUL")
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for image in (source, original_color, new_color):
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np.testing.assert_allclose(images.image_pixels(image), before, atol=1 / 255)
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for key, image in data_textures.items():
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space, alpha, pixels = data_states[key]
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assert image.colorspace_settings.name == space
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assert image.alpha_mode == alpha
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np.testing.assert_array_equal(images.image_pixels(image), pixels)
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def test_edit_results_preserve_source_alpha_with_adaptation_enabled(color_data, tmp_path):
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source = bpy.data.images.new("Editing source", width=1, height=1, alpha=True)
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rgba = np.array([0.2, 0.4, 0.8, 0.25], dtype=np.float32)
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Image.fromarray(np.array([[[51, 102, 204, 64]]], dtype=np.uint8)).save(tmp_path / "image.0001.png")
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with patch.object(preferences, "addon_preferences", return_value=SimpleNamespace(adapt_material_to_view_transform=True)):
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edited = images.create_image_edit_result(source, rgba, (1, 1))
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loaded = images.load_image_edit_result(source, tmp_path)
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for result in (edited, loaded):
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assert result.colorspace_settings.name == "sRGB"
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assert result.alpha_mode == source.alpha_mode
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np.testing.assert_allclose(images.image_pixels(result), rgba, atol=1 / 255)
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assert source.colorspace_settings.name == "sRGB"
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assert source.alpha_mode == "STRAIGHT"
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@pytest.mark.parametrize("supported", [{"sRGB", "Non-Color"}, {"Non-Color"}])
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def test_unavailable_color_space_falls_back_or_preserves_original(supported):
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class ColorSpace:
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value = "Non-Color"
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@property
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def name(self):
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return self.value
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@name.setter
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def name(self, value):
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if value not in supported:
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raise TypeError("Unsupported color space")
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self.value = value
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image = SimpleNamespace(colorspace_settings=ColorSpace(), users=0, use_fake_user=False, alpha_mode="STRAIGHT")
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with patch.object(material, "configured_material_view_adaptation", return_value=True):
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if "sRGB" in supported:
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result = material.configure_material_color_image(image, view_scene("AgX"))
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assert result.colorspace_settings.name == "sRGB"
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assert result.alpha_mode == "PREMUL"
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else:
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with pytest.raises(RuntimeError, match="material color space"):
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material.configure_material_color_image(image, view_scene("AgX"))
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assert image.colorspace_settings.name == "Non-Color"
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assert image.alpha_mode == "STRAIGHT"
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def test_missing_scene_uses_srgb(color_data):
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image = bpy.data.images.new("Missing scene", width=1, height=1)
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with patch.object(material, "bpy", SimpleNamespace(context=SimpleNamespace(scene=None))), patch.object(
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material, "configured_material_view_adaptation", return_value=True
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):
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result = material.configure_material_color_image(image)
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assert result.colorspace_settings.name == "sRGB"
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assert result.alpha_mode == "PREMUL"
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