Check canvas alignement

1.6.5

- feat: check canvas alignement of the Gp object compare to chosen draw axis

OP_helpers.py

@@ -2,7 +2,7 @@ import bpy
 from mathutils import Vector#, Matrix
 from pathlib import Path
 from math import radians
-from .utils import get_gp_objects, set_collection, show_message_box
+from . import utils
 
 class GPTB_OT_copy_text(bpy.types.Operator):
     bl_idname = "wm.copytext"
@@ -170,7 +170,7 @@ class GPTB_OT_draw_cam(bpy.types.Operator):
             
             # dcam_col = bpy.data.collections.get(camcol_name)
             # if not dcam_col:
-            set_collection(drawcam, camcol_name)
+            utils.set_collection(drawcam, camcol_name)
             
             # Swap to it, unhide if necessary and hide previous 
             context.scene.camera = maincam
@@ -188,7 +188,7 @@ class GPTB_OT_draw_cam(bpy.types.Operator):
             if not drawcam:
                 created=True
                 drawcam = bpy.data.objects.new(dcam_name, context.scene.camera.data)
-                set_collection(drawcam, 'manip_cams')
+                utils.set_collection(drawcam, 'manip_cams')
             
             if dcam_name == 'draw_cam':
                 drawcam.parent = maincam
@@ -390,7 +390,7 @@ class GPTB_OT_list_disabled_anims(bpy.types.Operator):
                     else:
                         li.append(f'{" "*len(o.name)}  - {fcu.data_path} {fcu.array_index}')
         if li:
-            show_message_box(li)
+            utils.show_message_box(li)
         else:
             self.report({'INFO'}, f"No animation disabled on {'selection' if self.selection else 'scene'}")
         return {'FINISHED'}
@@ -485,6 +485,36 @@ class GPTB_OT_clear_active_frame(bpy.types.Operator):
         
         return {'FINISHED'}
 
+class GPTB_OT_check_canvas_alignement(bpy.types.Operator):
+    bl_idname = "gp.check_canvas_alignement"
+    bl_label = "Check Canvas Alignement"
+    bl_description = "Check if view is aligned to canvas\nWarn if the drawing angle to surface is too high\nThere can be some error margin"
+    bl_options = {"REGISTER"}
+
+    @classmethod
+    def poll(cls, context):
+        # if lock_axis is 'VIEW' then the draw axis is always aligned
+        return context.object and context.object.type == 'GPENCIL'# and context.scene.tool_settings.gpencil_sculpt.lock_axis != 'VIEW'
+    
+    def execute(self, context):
+        if context.scene.tool_settings.gpencil_sculpt.lock_axis == 'VIEW':
+            self.report({'INFO'}, 'Drawing plane use "View" (always aligned)')
+            return {'FINISHED'}
+        
+        _angle, ret, message = utils.check_angle_from_view(obj=context.object, context=context)
+        if not ret or not message:
+            self.report({'ERROR'}, 'Could not get view angle infos')
+            return {'CANCELLED'}
+        
+        title = 'Aligned \o/' if ret == 'INFO' else "Not aligned !" 
+        
+        if context.region_data.view_perspective != 'CAMERA':
+            title = title + ' ( not in camera view)'
+
+        utils.show_message_box(_message=message, _title=title, _icon=ret)
+        # self.report({ret}, message)
+        return {'FINISHED'}
+
 classes = (
 GPTB_OT_copy_text,
 GPTB_OT_flipx_view,
@@ -495,6 +525,7 @@ GPTB_OT_reset_cam_rot,
 GPTB_OT_toggle_mute_animation,
 GPTB_OT_list_disabled_anims,
 GPTB_OT_clear_active_frame,
+GPTB_OT_check_canvas_alignement,
 )
 
 def register():