style.add_surface_texture to work without blender material provided

2026-08-10 17:58:20 +00:00 · 2023-12-12 17:32:49 +05:00
parent a8078e38d2
commit c4080626df
3 changed files with 132 additions and 10 deletions
@@ -0,0 +1,80 @@
+# 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.api
+
+
+class TestAddSurfaceTexture(test.bootstrap.IFC4):
+    def get_default_texture_data(self):
+        return [
+            {"Mode": "DIFFUSE", "RepeatS": True, "RepeatT": True, "URLReference": "diffuse.jpg"},
+            {"Mode": "NORMAL", "RepeatS": False, "RepeatT": False, "URLReference": "normal.jpg"},
+            {"Mode": "METALLICROUGHNESS", "RepeatS": True, "RepeatT": True, "URLReference": "metallic_roughness.jpg"},
+            {"Mode": "OCCLUSION", "RepeatS": True, "RepeatT": True, "URLReference": "ambient_occlusion.jpg"},
+        ]
+
+    def compare_texture_to_data(self, texture, data, uv_maps=[]):
+        texture_data = texture.get_info()
+        for attribute in ("Mode", "RepeatS", "RepeatT", "URLReference"):
+            assert texture_data[attribute] == data.get(attribute, None)
+
+        uv_mode = data.get("uv_mode", None)
+        if uv_mode is None:
+            assert texture.IsMappedBy == ()
+        elif uv_mode == "Generated":
+            assert len(texture.IsMappedBy) == 1
+            assert texture.IsMappedBy[0].Mode == "COORD"
+        elif uv_mode == "Camera":
+            assert len(texture.IsMappedBy) == 1
+            assert texture.IsMappedBy[0].Mode == "COORD-EYE"
+        elif uv_mode == "UV":
+            assert set(texture.IsMappedBy) == set(uv_maps)
+
+    def test_add_surface_textures_from_data(self):
+        texture_data = self.get_default_texture_data()
+
+        textures = ifcopenshell.api.run("style.add_surface_textures", self.file, textures=texture_data)
+        assert len(list(self.file)) == len(texture_data)
+
+        for texture, data in zip(textures, texture_data):
+            self.compare_texture_to_data(texture, data)
+
+    def test_add_surface_textures_from_data_with_uv_mode(self):
+        texture_data = self.get_default_texture_data()
+        texture_data[0]["uv_mode"] = "Generated"
+        texture_data[1]["uv_mode"] = "Camera"
+        texture_data[2]["uv_mode"] = "UV"
+        texture_data[3]["uv_mode"] = None
+
+        textures = ifcopenshell.api.run("style.add_surface_textures", self.file, textures=texture_data)
+        for texture, data in zip(textures, texture_data):
+            self.compare_texture_to_data(texture, data)
+
+    def test_add_surface_textures_from_data_with_uv_maps(self):
+        texture_data = self.get_default_texture_data()
+        texture_data[0]["uv_mode"] = "Generated"
+        texture_data[1]["uv_mode"] = "Camera"
+        texture_data[2]["uv_mode"] = "UV"
+        texture_data[3]["uv_mode"] = None
+
+        uv_maps = [self.file.create_entity("IfcTextureCoordinateGenerator", Maps=[], Mode="COORD") for i in range(5)]
+        textures = ifcopenshell.api.run("style.add_surface_textures", self.file, textures=texture_data, uv_maps=uv_maps)
+        for texture, data in zip(textures, texture_data):
+            self.compare_texture_to_data(texture, data, uv_maps)