Add Chromium-only Blender WebEngine parity work

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

@@ -0,0 +1,33 @@
+# SPDX-FileCopyrightText: 2008-2023 Blender Authors
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#  Author   : Stephane Grabli
+#  Date     : 04/08/2005
+#  Purpose  : Draws the suggestive contours.
+#             ***** The suggestive contours must be enabled
+#             in the options dialog *****
+
+from freestyle.chainingiterators import ChainSilhouetteIterator
+from freestyle.predicates import (
+    AndUP1D,
+    NotUP1D,
+    QuantitativeInvisibilityUP1D,
+    TrueUP1D,
+    pyNatureUP1D,
+)
+from freestyle.shaders import (
+    ConstantColorShader,
+    IncreasingThicknessShader,
+)
+from freestyle.types import Nature, Operators
+
+
+upred = AndUP1D(pyNatureUP1D(Nature.SUGGESTIVE_CONTOUR), QuantitativeInvisibilityUP1D(0))
+Operators.select(upred)
+Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(upred))
+shaders_list = [
+    IncreasingThicknessShader(1, 3),
+    ConstantColorShader(0.2, 0.2, 0.2, 1),
+]
+Operators.create(TrueUP1D(), shaders_list)