Cleanup: move line art panel into properties_objects

No need for a module to define a single panel, since this is an
object panel it can be included with other object panels.

If centralizing line-art properties is needed in the future,
this can be done in a `*_common` module.

release/scripts/startup/bl_ui/__init__.py

@@ -105,8 +105,6 @@ import bpy
 if bpy.app.build_options.freestyle:
     _modules.append("properties_freestyle")
 
-_modules.append("properties_lineart")
-
 __import__(name=__name__, fromlist=_modules)
 _namespace = globals()
 _modules_loaded = [_namespace[name] for name in _modules]

release/scripts/startup/bl_ui/properties_lineart.py

@@ -1,59 +0,0 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
-#
-#  This program is free software; you can redistribute it and/or
-#  modify it under the terms of the GNU General Public License
-#  as published by the Free Software Foundation; either version 2
-#  of the License, or (at your option) any later version.
-#
-#  This program 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 General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with this program; if not, write to the Free Software Foundation,
-#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# ##### END GPL LICENSE BLOCK #####
-
-# <pep8 compliant>
-from bpy.types import Panel
-
-
-class LineartButtonsPanel:
-    bl_space_type = 'PROPERTIES'
-    bl_region_type = 'WINDOW'
-    bl_context = "object"
-
-
-class OBJECT_PT_lineart(LineartButtonsPanel, Panel):
-    bl_label = "Line Art"
-    bl_options = {'DEFAULT_CLOSED'}
-
-    @classmethod
-    def poll(cls, context):
-        ob = context.object
-        return (ob.type in {'MESH', 'FONT', 'CURVE', 'SURFACE'})
-
-    def draw(self, context):
-        layout = self.layout
-        lineart = context.object.lineart
-
-        layout.use_property_split = True
-
-        layout.prop(lineart, 'usage')
-        layout.use_property_split = True
-
-        row = layout.row(heading="Override Crease")
-        row.prop(lineart, "use_crease_override", text="")
-        row.prop(lineart, "crease_threshold", slider=True, text="")
-
-
-classes = (
-    OBJECT_PT_lineart,
-)
-
-if __name__ == "__main__":  # only for live edit.
-    from bpy.utils import register_class
-    for cls in classes:
-        register_class(cls)

release/scripts/startup/bl_ui/properties_object.py

@@ -308,6 +308,29 @@ class OBJECT_PT_instancing_size(ObjectButtonsPanel, Panel):
         layout.prop(ob, "instance_faces_scale", text="Factor")
 
 
+class OBJECT_PT_lineart(ObjectButtonsPanel, Panel):
+    bl_label = "Line Art"
+    bl_options = {'DEFAULT_CLOSED'}
+
+    @classmethod
+    def poll(cls, context):
+        ob = context.object
+        return (ob.type in {'MESH', 'FONT', 'CURVE', 'SURFACE'})
+
+    def draw(self, context):
+        layout = self.layout
+        lineart = context.object.lineart
+
+        layout.use_property_split = True
+
+        layout.prop(lineart, "usage")
+        layout.use_property_split = True
+
+        row = layout.row(heading="Override Crease")
+        row.prop(lineart, "use_crease_override", text="")
+        row.prop(lineart, "crease_threshold", slider=True, text="")
+
+
 class OBJECT_PT_motion_paths(MotionPathButtonsPanel, Panel):
     #bl_label = "Object Motion Paths"
     bl_context = "object"
@@ -393,6 +416,7 @@ classes = (
     OBJECT_PT_motion_paths_display,
     OBJECT_PT_display,
     OBJECT_PT_visibility,
+    OBJECT_PT_lineart,
     OBJECT_PT_custom_props,
 )