Add Chromium-only Blender WebEngine parity work

blender-5.2.0/scripts/freestyle/styles/nature.py

@@ -0,0 +1,32 @@
+# SPDX-FileCopyrightText: 2008-2023 Blender Authors
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#  Author   : Stephane Grabli
+#  Date     : 04/08/2005
+#  Purpose  : Uses the NatureUP1D predicate to select the lines
+#             of a given type (among Nature.SILHOUETTE, Nature.CREASE, Nature.SUGGESTIVE_CONTOURS,
+#             Nature.BORDERS).
+#             The suggestive contours must have been enabled in the
+#             options dialog to appear in the View Map.
+
+from freestyle.chainingiterators import ChainSilhouetteIterator
+from freestyle.predicates import (
+    NotUP1D,
+    TrueUP1D,
+    pyNatureUP1D,
+)
+from freestyle.shaders import (
+    IncreasingColorShader,
+    IncreasingThicknessShader,
+)
+from freestyle.types import Operators, Nature
+
+
+Operators.select(pyNatureUP1D(Nature.SILHOUETTE))
+Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(pyNatureUP1D(Nature.SILHOUETTE)))
+shaders_list = [
+    IncreasingThicknessShader(3, 10),
+    IncreasingColorShader(0.0, 0.0, 0.0, 1, 0.8, 0, 0, 1),
+]
+Operators.create(TrueUP1D(), shaders_list)