Fix #9 Draw cam overlay breking after undo

4.1.2

- fixed: Error in Draw cam overlay breaking after random undo step `Ctrl + Z`

use viewlayer viewport hide instead of object hide_viewport, otherwise transform seem to not be evaluated correctly

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Changelog
 
 
+4.1.2
+
+- fixed: Error in Draw cam overlay breaking after random undo step `Ctrl + Z`
+
 4.1.1
 
 - added: option in copy stroke world space to not bake move

OP_helpers.py

@@ -212,9 +212,14 @@ class GPTB_OT_draw_cam(Operator):
             # Swap to it, unhide if necessary and hide previous 
             context.scene.camera = maincam
             
-            ## hide cam object 
+            ## Hide cam object
-            drawcam.hide_viewport = True
+
+            # Ensure at lviewport viz is active to ensure visibility and refresh state
             maincam.hide_viewport = False
+            # drawcam.hide_viewport = False # Not absolutely needed
+
+            drawcam.hide_set(True)
+            maincam.hide_set(False)
 
         ## if in main camera GO to drawcam
         elif context.scene.camera.name not in ('draw_cam', 'obj_cam'):
@@ -267,8 +272,12 @@ class GPTB_OT_draw_cam(Operator):
 
             ## hide cam object 
             context.scene.camera = drawcam
+            # Ensure viewport viz is active to ensure visibility and refresh state
             drawcam.hide_viewport = False
-            maincam.hide_viewport = True
+            maincam.hide_viewport = False
+            ## Set viewlayer visibility
+            drawcam.hide_set(False)
+            maincam.hide_set(True)
             
             if created and drawcam.name == 'obj_cam': # Go in camera view
                 context.region_data.view_perspective = 'CAMERA'

__init__.py

@@ -4,7 +4,7 @@ bl_info = {
 "name": "GP toolbox",
 "description": "Tool set for Grease Pencil in animation production",
 "author": "Samuel Bernou, Christophe Seux",
-"version": (4, 1, 1),
+"version": (4, 1, 2),
 "blender": (4, 3, 0),
 "location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
 "warning": "",