Files
AnyImage/tests/anyimage/common/test_material_view_adaptation.py
nan 938d95db0f Add new functionality for image rectification and depth metadata handling
- Implemented a preview tool for rectifying images with interactive aspect controls in `preview.py`.
- Added tests for depth metadata loading to ensure consistent schema usage in `test_depth_metadata.py`.
- Developed comprehensive tests for cutout calibration processes in `test_cutout_calibration.py`, including stability checks and depth calibration.
- Created tests for frame compositing operations in `test_frame_compositing.py`, ensuring correct handling of depth and transparency.
- Introduced material slot inheritance functionality in `material_slots.py` to manage geometry material assignments.
- Built shared shader nodes for material processing in `shader.py`, including roughness and bump mapping setups.
2026-09-12 19:20:06 +08:00

176 lines
8.5 KiB
Python

from types import SimpleNamespace
from unittest.mock import patch
import bpy
import numpy as np
import pytest
from PIL import Image
from anyimage import preferences
from anyimage.common import image as images
from anyimage.common import material
from anyimage.operators.clipboard_image import actions as clipboard
from tests.support.color_image import color_image
@pytest.fixture
def color_data():
original_images = set(bpy.data.images)
original_materials = set(bpy.data.materials)
original_objects = set(bpy.data.objects)
yield
for obj in set(bpy.data.objects) - original_objects:
bpy.data.objects.remove(obj, do_unlink=True)
for item in set(bpy.data.materials) - original_materials:
bpy.data.materials.remove(item, do_unlink=True)
for item in set(bpy.data.images) - original_images:
bpy.data.images.remove(item, do_unlink=True)
def view_scene(view):
return SimpleNamespace(view_settings=SimpleNamespace(view_transform=view))
def color_texture(result):
return next(node.image for node in result.node_tree.nodes if node.type == "TEX_IMAGE")
@pytest.mark.parametrize("enabled", [False, True])
@pytest.mark.parametrize("view,space", [*material.VIEW_TRANSFORM_COLOR_SPACES, ("Standard", "sRGB"), ("Unknown", "sRGB")])
def test_color_space_and_alpha_follow_preference(color_data, enabled, view, space):
image = bpy.data.images.new("Material policy", width=2, height=1, alpha=True)
expected = np.array([0.2, 0.4, 0.8, 0.25, 0.6, 0.3, 0.1, 0], dtype=np.float32)
image.pixels.foreach_set(expected)
settings = SimpleNamespace(adapt_material_to_view_transform=enabled)
# The installed bpy may not include newer view transforms such as ACES 2.0.
try:
image.colorspace_settings.name = space
except TypeError:
space = "sRGB"
image.colorspace_settings.name = "sRGB"
image.pixels.foreach_set(expected)
with patch.object(preferences, "addon_preferences", return_value=settings):
result = material.configure_material_color_image(image, view_scene(view))
selected = space if enabled else "sRGB"
assert result.colorspace_settings.name == selected
assert result.alpha_mode == ("PREMUL" if selected == "sRGB" else "STRAIGHT")
assert settings.adapt_material_to_view_transform == enabled
np.testing.assert_allclose(images.image_pixels(result), expected, atol=1 / 255)
@pytest.mark.parametrize("enabled", [False, True])
@pytest.mark.parametrize("kind", [
"byte", "packed", "file", "dirty",
"float",
])
def test_material_pixels_survive_pack_and_library_reload(color_data, tmp_path, enabled, kind):
expected = np.array([[[51, 102, 204, 64], [153, 76, 25, 0]]], dtype=np.uint8)
if kind in {"file", "dirty"}:
path = tmp_path / "source.png"
Image.fromarray(expected).save(path)
source = bpy.data.images.load(str(path), check_existing=False)
if kind == "dirty":
source.pixels.foreach_set((expected.astype(np.float32) / 255).ravel())
else:
source = bpy.data.images.new("Material pixels", width=2, height=1, alpha=True, float_buffer=kind == "float")
source.alpha_mode = "PREMUL"
source.pixels.foreach_set((expected.astype(np.float32) / 255).ravel())
if kind == "packed":
source.pack()
source.reload()
before = images.image_pixels(source)
owner = bpy.data.objects.new("Color source owner", None)
owner.empty_display_type = "IMAGE"
owner.data = source
with patch.object(material, "configured_material_view_adaptation", return_value=enabled):
result = material.configure_material_color_image(source, view_scene("AgX"))
assert result == source
np.testing.assert_allclose(images.image_pixels(source), before, atol=1 / 255)
np.testing.assert_allclose(images.image_pixels(result), before, atol=1 / 255)
if result.packed_file is None or result.is_dirty:
result.pack()
selected = (result.colorspace_settings.name, result.alpha_mode)
path = tmp_path / "material.blend"
bpy.data.libraries.write(str(path), {result})
with bpy.data.libraries.load(str(path)) as (available, loaded):
loaded.images = available.images
restored = loaded.images[0]
assert (restored.colorspace_settings.name, restored.alpha_mode) == selected
np.testing.assert_allclose(images.image_pixels(restored), before, atol=1 / 255)
edited = images.create_image_edit_result(restored, images.image_pixels(restored), (2, 1))
assert edited.alpha_mode == selected[1]
np.testing.assert_allclose(images.image_pixels(edited), before, atol=1 / 255)
@pytest.mark.parametrize("shadeless", [False, True])
@pytest.mark.parametrize("entry", ["plane", "cutout", "depth", "clipboard"])
def test_material_configures_the_image_selected_by_its_caller(color_data, entry, shadeless):
source = bpy.data.images.new("Shared source", width=2, height=2, alpha=True)
source.pixels.foreach_set(np.tile(np.array([0.2, 0.4, 0.8, 0.25], dtype=np.float32), 4))
owner = bpy.data.objects.new("Shared Empty", None)
owner.empty_display_type = "IMAGE"
owner.data = source
before = images.image_pixels(source)
scene = view_scene("AgX")
settings = SimpleNamespace(adapt_material_to_view_transform=True)
data_textures = {}
if entry == "depth":
for key in ("displacement_image", "normal_image"):
image = bpy.data.images.new(key, width=2, height=2, float_buffer=True)
image.colorspace_settings.name = "Non-Color"
data_textures[key] = image
data_states = {
key: (image.colorspace_settings.name, image.alpha_mode, images.image_pixels(image))
for key, image in data_textures.items()
}
with patch.object(preferences, "addon_preferences", return_value=settings):
if entry == "clipboard":
first = clipboard.create_image_material(source, source, shadeless=shadeless, scene=scene)
else:
if entry == "cutout":
color = color_image(owner.data, (0, 0, 2, 2), images.image_rgba(source))
else:
color = source
first = material.create_image_material(owner.data, color, 0, shadeless=shadeless, scene=scene, **data_textures)
original_color = color_texture(first)
assert original_color.colorspace_settings.name == "AgX Base sRGB"
assert original_color.alpha_mode == "STRAIGHT"
settings.adapt_material_to_view_transform = False
assert original_color.alpha_mode == "STRAIGHT"
if entry == "clipboard":
second = clipboard.create_image_material(original_color, original_color, shadeless=shadeless, scene=scene)
else:
second = material.create_image_material(owner.data, original_color, 0, shadeless=shadeless, scene=scene)
new_color = color_texture(second)
assert new_color == original_color
assert new_color.colorspace_settings.name == "sRGB"
assert new_color.alpha_mode == "PREMUL"
assert original_color.colorspace_settings.name == "sRGB"
assert original_color.alpha_mode == "PREMUL"
assert not settings.adapt_material_to_view_transform
assert owner.data == source
assert source.colorspace_settings.name == "sRGB"
assert source.alpha_mode == ("STRAIGHT" if entry == "cutout" else "PREMUL")
for image in (source, original_color, new_color):
np.testing.assert_allclose(images.image_pixels(image), before, atol=1 / 255)
for key, image in data_textures.items():
space, alpha, pixels = data_states[key]
assert image.colorspace_settings.name == space
assert image.alpha_mode == alpha
np.testing.assert_array_equal(images.image_pixels(image), pixels)
def test_edit_results_preserve_source_alpha_with_adaptation_enabled(color_data, tmp_path):
source = bpy.data.images.new("Editing source", width=1, height=1, alpha=True)
rgba = np.array([0.2, 0.4, 0.8, 0.25], dtype=np.float32)
Image.fromarray(np.array([[[51, 102, 204, 64]]], dtype=np.uint8)).save(tmp_path / "foreground.png")
with patch.object(preferences, "addon_preferences", return_value=SimpleNamespace(adapt_material_to_view_transform=True)):
edited = images.create_image_edit_result(source, rgba, (1, 1))
loaded = images.load_image_edit_result(source, tmp_path / "foreground.png")
for result in (edited, loaded):
assert result.colorspace_settings.name == "sRGB"
assert result.alpha_mode == source.alpha_mode
np.testing.assert_allclose(images.image_pixels(result), rgba, atol=1 / 255)
assert source.colorspace_settings.name == "sRGB"
assert source.alpha_mode == "STRAIGHT"