Files
AnyImage/tests/anyimage/common/test_image_materials.py
nan 18799e8828 Refactor Cutout Tool to Use World Space Edge Length
- Replaced the Mesh Detail parameter with a new Edge Length property to define cutout sampling in physical units.
- Introduced Minimum Relative Edge Length preference to control effective spacing based on the bounding box of the cutout content.
- Updated tests to validate the new edge length functionality and ensure consistent behavior across different resolutions and canvas sizes.
- Removed deprecated parameters and adjusted related properties to align with the new edge length implementation.
- Enhanced geometry sampling logic to utilize effective world spacing for both standard and fine outline modes.
2026-09-12 23:03:24 +08:00

229 lines
7.9 KiB
Python

from types import SimpleNamespace
import bpy
import numpy as np
from anyimage.common import image as image_data
from anyimage.common import material as material_data
from anyimage.operators.cutout_tool import object as cutout_object
from anyimage.operators.cutout_tool import shape as cutout_shape
from tests.support.image_objects import _create_cutout_shape, _group_node, _inputs
def test_image_layer_switches_between_tangent_and_object_space_normal():
bpy.ops.wm.read_factory_settings(use_empty=True)
assert material_data.IMAGE_MATERIAL_NODE_GROUP_NAME == "O Image Layer"
group = material_data.material_node_group()
normal = next(
item
for item in group.interface.items_tree
if item.item_type == "SOCKET"
and item.in_out == "INPUT"
and item.name == "Normal"
)
assert tuple(normal.default_value) == (0.5, 0.5, 1.0, 1.0)
bump_scale = next(
item
for item in group.interface.items_tree
if item.item_type == "SOCKET"
and item.in_out == "INPUT"
and item.name == "Bump Scale"
)
assert bump_scale.default_value == 0.0
normal_scale = next(
item
for item in group.interface.items_tree
if item.item_type == "SOCKET"
and item.in_out == "INPUT"
and item.name == "Normal Scale"
)
assert normal_scale.default_value == 1.0
object_space = next(
item
for item in group.interface.items_tree
if item.item_type == "SOCKET"
and item.in_out == "INPUT"
and item.name == "Object Space"
)
assert object_space.default_value is False
normal_maps = {
node.space for node in group.nodes if node.bl_idname == "ShaderNodeNormalMap"
}
assert normal_maps == {"TANGENT", "OBJECT"}
assert all(
not node.label
for node in group.nodes
if node.bl_idname in {"ShaderNodeNormalMap", "ShaderNodeMix"}
)
color = bpy.data.images.new("Color", width=2, height=2)
normal_image = bpy.data.images.new("Normal", width=2, height=2)
object_material = material_data.create_image_material(
SimpleNamespace(name="Object Normal"),
color,
1.0,
normal_image=normal_image,
normal_space="OBJECT",
)
layer = _group_node(group, object_material.node_tree)
assert layer.inputs["Object Space"].default_value is True
tangent_material = material_data.create_image_material(
SimpleNamespace(name="Tangent Normal"),
color,
1.0,
normal_image=normal_image,
)
layer = _group_node(group, tangent_material.node_tree)
assert layer.inputs["Object Space"].default_value is False
reused = material_data.material_node_group()
assert {
node.space for node in reused.nodes if node.bl_idname == "ShaderNodeNormalMap"
} == {"TANGENT", "OBJECT"}
def test_cutout_material_uses_ior_1_2():
bpy.ops.wm.read_factory_settings(use_empty=True)
image = bpy.data.images.new("Cutout", width=16, height=16, alpha=True)
source = bpy.data.objects.new("Cutout", None)
source.empty_display_type = "IMAGE"
source.data = image
source.empty_display_size = 2.0
bpy.context.collection.objects.link(source)
result = _create_cutout_shape(source, "FLAT", 0.1)
shader = next(
node
for node in result.data.materials[0].node_tree.nodes
if node.bl_idname == "ShaderNodeBsdfPrincipled"
)
assert np.isclose(shader.inputs["IOR"].default_value, 1.2)
image_layer = _group_node(
material_data.material_node_group(),
result.data.materials[0].node_tree,
)
ior_level_link = next(
link
for link in result.data.materials[0].node_tree.links
if link.to_node == shader
and link.to_socket == shader.inputs["Specular IOR Level"]
)
assert ior_level_link.from_node == image_layer
assert ior_level_link.from_socket == image_layer.outputs["Color"]
def test_plane_material_color_drives_ior_level_but_shadeless_does_not():
bpy.ops.wm.read_factory_settings(use_empty=True)
image = bpy.data.images.new("Plane", width=2, height=2, alpha=True)
source = SimpleNamespace(data=SimpleNamespace(name="Plane"))
material = material_data.create_image_material(source.data, image)
shader = next(
node
for node in material.node_tree.nodes
if node.bl_idname == "ShaderNodeBsdfPrincipled"
)
assert np.isclose(shader.inputs["IOR"].default_value, 1.2)
image_layer = _group_node(material_data.material_node_group(), material.node_tree)
assert image_layer.inputs["Bump Scale"].default_value == 0.0
assert any(
link.from_node == image_layer
and link.from_socket == image_layer.outputs["Color"]
and link.to_node == shader
and link.to_socket == shader.inputs["Specular IOR Level"]
for link in material.node_tree.links
)
shadeless = material_data.create_image_material(
source.data,
image,
0.0,
shadeless=True,
)
assert not any(
node.bl_idname == "ShaderNodeBsdfPrincipled"
for node in shadeless.node_tree.nodes
)
def test_cutout_material_uses_flat_tangent_normal():
bpy.ops.wm.read_factory_settings(use_empty=True)
source = bpy.data.objects.new("Source", None)
source.empty_display_type = "IMAGE"
source.data = bpy.data.images.new("Source", width=2, height=2)
color = bpy.data.images.new("Color", width=2, height=2)
normal = bpy.data.images.new("Normal", width=1, height=1)
result = material_data.create_image_material(
source.data,
color,
0.0,
normal_image=normal,
scene=bpy.context.scene,
)
layer = _group_node(material_data.material_node_group(), result.node_tree)
assert layer.inputs["Object Space"].default_value is False
def test_loaded_normal_image_uses_normal_texture_name(tmp_path):
from PIL import Image
path = tmp_path / "normal.png"
Image.new("RGB", (1, 1), (128, 128, 255)).save(path)
source = SimpleNamespace(data=SimpleNamespace(name="Poster.png"))
image = image_data.load_normal_result_image(path, source)
assert image.name == "Poster_normal.png"
assert image.colorspace_settings.name == "Non-Color"
assert image.packed_file is not None
def test_shared_conversion_images_use_blender_duplicate_suffix():
bpy.ops.wm.read_factory_settings(use_empty=True)
image = bpy.data.images.new("Poster", width=16, height=16)
source = bpy.data.objects.new("Poster", None)
source.empty_display_type = "IMAGE"
source.data = image
bpy.context.collection.objects.link(source)
other = source.copy()
bpy.context.collection.objects.link(other)
from tests.support.color_image import color_image
first = color_image(source.data)
second = color_image(source.data)
assert first is not image
assert second is not image
assert first is not second
assert first.name == "Poster_color.png"
assert second.name == "Poster_color.png.001"
def test_balloon_normal_scale_uses_existing_image_layer_input():
bpy.ops.wm.read_factory_settings(use_empty=True)
group = material_data.material_node_group()
original_inputs = _inputs(group)
image_material = bpy.data.materials.new("Balloon")
image_material.use_nodes = True
image_material.node_tree.nodes.clear()
image_layer = image_material.node_tree.nodes.new("ShaderNodeGroup")
image_layer.node_tree = group
cutout_object._connect_cutout_normal_scale(image_material)
assert _inputs(group) == original_inputs
attribute = next(
node
for node in image_material.node_tree.nodes
if node != image_layer
)
assert attribute.bl_idname == "ShaderNodeAttribute"
assert attribute.attribute_name == cutout_shape.NORMAL_SCALE_ATTRIBUTE_NAME
link = next(iter(image_material.node_tree.links))
assert link.from_socket == attribute.outputs["Fac"]
assert link.to_socket == image_layer.inputs["Normal Scale"]