assign_representation_styles to reuse existing styled item + tests

2026-08-10 09:48:32 +00:00 · 2024-02-21 10:55:54 +05:00
parent bdc991856c
commit 863a8248af
2 changed files with 122 additions and 3 deletions
@@ -0,0 +1,89 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2022 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import pytest
+import test.bootstrap
+import ifcopenshell
+import ifcopenshell.api
+
+
+class TestAssignRepresentationStyles(test.bootstrap.IFC4):
+    def test_run(self):
+        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
+        product_shape = self.file.createIfcProductDefinitionShape()
+        element.Representation = product_shape
+
+        representation = self.file.createIfcShapeRepresentation()
+        item = self.file.createIfcExtrudedAreaSolid()
+        representation.Items = [item]
+
+        style = self.file.createIfcSurfaceStyle()
+        ifcopenshell.api.run(
+            "style.assign_representation_styles", self.file, styles=[style], shape_representation=representation
+        )
+        assert item.StyledByItem[0].Styles == (style,)
+
+        # reusing existing styled item
+        style2 = self.file.createIfcSurfaceStyle()
+        ifcopenshell.api.run(
+            "style.assign_representation_styles", self.file, styles=[style2], shape_representation=representation
+        )
+        assert item.StyledByItem[0].Styles == (style, style2)
+        assert len(self.file.by_type("IfcStyledItem")) == 1
+
+    def test_assign_using_style_assignment(self):
+        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
+        product_shape = self.file.createIfcProductDefinitionShape()
+        element.Representation = product_shape
+
+        representation = self.file.createIfcShapeRepresentation()
+        item = self.file.createIfcExtrudedAreaSolid()
+        representation.Items = [item]
+
+        style = self.file.createIfcSurfaceStyle()
+        ifcopenshell.api.run(
+            "style.assign_representation_styles",
+            self.file,
+            styles=[style],
+            shape_representation=representation,
+            should_use_presentation_style_assignment=True,
+        )
+        assert len(self.file.by_type("IfcPresentationStyleAssignment")) == 1
+        style_assignment = self.file.by_type("IfcPresentationStyleAssignment")[0]
+        assert style_assignment.Styles == (style,)
+        assert item.StyledByItem[0].Styles == (style_assignment,)
+
+        # reusing existing styled item and style assignment
+        style2 = self.file.createIfcSurfaceStyle()
+        ifcopenshell.api.run(
+            "style.assign_representation_styles",
+            self.file,
+            styles=[style2],
+            shape_representation=representation,
+            should_use_presentation_style_assignment=True,
+        )
+
+        assert len(self.file.by_type("IfcPresentationStyleAssignment")) == 1
+        assert item.StyledByItem[0].Styles == (style_assignment,)
+        assert item.StyledByItem[0].Styles[0].Styles == (style, style2)
+        assert len(self.file.by_type("IfcStyledItem")) == 1
+
+
+class TestAssignRepresentationStylesIFC2X3(test.bootstrap.IFC2X3):
+    def test_run(self):
+        TestAssignRepresentationStyles.test_assign_using_style_assignment(self)