From a5dae7ee1914a648c85f07f22c8daa5506924cdc Mon Sep 17 00:00:00 2001
From: pullusb <bernou.samuel@gmail.com>
Date: Tue, 17 Jun 2025 17:17:29 +0200
Subject: [PATCH] Fix redundant checker and add  operator "Remove Redundant GP
 Stroke" (search)

---
 CHANGELOG.md       |  1 +
 OP_file_checker.py | 36 ++++++++++++++++++++++++++++++++----
 2 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fdc70f0..6b0712a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 4.1.3
 
 - fixed: error in "remove stroke duplication" using file checker
+- added: `Remove Redundant GP Stroke` Operator (Not exposed, avaialbe in search with developer extras enabled). Allow to use directly without going using file checker
 
 4.1.2
 
diff --git a/OP_file_checker.py b/OP_file_checker.py
index 669bb7c..ae56c91 100755
--- a/OP_file_checker.py
+++ b/OP_file_checker.py
@@ -10,17 +10,19 @@ from bpy.props import (BoolProperty,
                         CollectionProperty,
                         StringProperty)
 
-def remove_stroke_exact_duplications(apply=True):
+def remove_stroke_exact_duplications(apply=True, verbose=True):
     '''Remove accidental stroke duplication (points exactly in the same place)
     :apply: Remove the duplication instead of just listing dupes
     return number of duplication found/deleted
     '''
     # TODO: Add additional check of material (even if unlikely to happen, better to avoid false positive)
     ct = 0
+    if verbose:
+        print('\nRemove redundant strokdes in GP frames:')
     gp_datas = [gp for gp in bpy.data.grease_pencils_v3]
     for gp in gp_datas:
         for l in gp.layers:
-            for f in l.frames:
+            for f_id, f in enumerate(l.frames):
                 stroke_list = []
                 idx_to_delete = []
                 
@@ -32,10 +34,35 @@ def remove_stroke_exact_duplications(apply=True):
                     else:
                         stroke_list.append(point_list)
                 
-                if apply:
-                    # Remove redundancy
+                if apply and idx_to_delete:
+                    # Remove redundancy (carefull, passing an empty list delete all strokes)
+                    print(f"{gp.name} > {l.name} > {f_id}: {len(idx_to_delete)} strokes")
                     f.drawing.remove_strokes(indices=idx_to_delete)
     return ct
+
+class GPTB_OT_remove_stroke_duplication(bpy.types.Operator):
+    bl_idname = "gp.remove_stroke_duplication"
+    bl_label = "Remove Redundant GP Stroke"
+    bl_description = "Within every frame, remove every strokes that are exactly superposed with a previous one"
+    bl_options = {"REGISTER", "UNDO"}
+
+    apply : bpy.props.BoolProperty(name="Apply Fixes", default=True,
+                description="Remove the duplication",
+                options={'SKIP_SAVE'})
+
+    def execute(self, context):
+        ct = remove_stroke_exact_duplications(apply=self.apply)
+        if ct > 0:
+            if self.apply:
+                self.report({'INFO'}, f'Removed {ct} strokes duplications')
+            else:
+                self.report({'INFO'}, f'Found {ct} strokes duplications')
+        else:
+            self.report({'INFO'}, 'No stroke duplication found')
+
+        return {'FINISHED'}
+    
+
 class GPTB_OT_file_checker(bpy.types.Operator):
     bl_idname = "gp.file_checker"
     bl_label = "Check File"
@@ -798,6 +825,7 @@ GPTB_OT_copy_string_to_clipboard,
 GPTB_OT_copy_multipath_clipboard,
 GPTB_OT_file_checker,
 GPTB_OT_links_checker,
+GPTB_OT_remove_stroke_duplication,
 )
 
 def register():