GPv3: Delete duplicate frames

@@ -266,2 +279,3 @@
         if (keyframe_region_circle_test(static_cast<const KeyframeEdit_CircleData *>(ked->data),
-                                        pt)) {
+                                        pt))
+        {

@@ -359,0 +466,4 @@
+
+    bool attrs_equal = true;
+
+    attribute_math::convert_to_static_type(attrs_a.varray.type(), [&](auto dummy) {

@@ -359,0 +507,4 @@
+        continue;
+      }
+
+      std::optional<bke::CurvesGeometry *> current_geo = get_gp_curves_geometry_from_frame_key(

@@ -359,0 +509,4 @@
+
+      std::optional<bke::CurvesGeometry *> current_geo = get_gp_curves_geometry_from_frame_key(
+          grease_pencil, layer, current);
+      std::optional<bke::CurvesGeometry *> next_geo = get_gp_curves_geometry_from_frame_key(

@@ -359,0 +523,4 @@
+      frames_to_delete.append(next);
+    }
+
+    for (const FramesMapKey frame : frames_to_delete) {

@@ -359,0 +490,4 @@
+        continue;
+      }
+
+      Drawing *drawing = grease_pencil.get_editable_drawing_at(layer, current);

@@ -359,0 +491,4 @@
+      }
+
+      Drawing *drawing = grease_pencil.get_editable_drawing_at(layer, current);
+      Drawing *drawing_next = grease_pencil.get_editable_drawing_at(layer, next);

@@ -359,0 +388,4 @@
+    }
+
+    if (attrs_span_a.data() != attrs_span_b.data()) {
+      return false;

@@ -359,0 +431,4 @@
+
+  const Set<AttributeIDRef> ids_a = attributes_a.all_ids();
+  const Set<AttributeIDRef> ids_b = attributes_b.all_ids();
+  if (ids_a != ids_b) {

@@ -30,2 +42,4 @@
 
 #include "WM_api.hh"
+#include <algorithm>
+#include <optional>

@@ -412,0 +462,4 @@
+
+  if (curves_a.curves_num() != curves_b.curves_num() ||
+      curves_a.points_num() != curves_b.points_num() || curves_a.offsets() != curves_b.offsets())
+  {

@@ -412,0 +423,4 @@
+    const GSpan attrs_span_a = attrs_a.varray.get_internal_span();
+    const GSpan attrs_span_b = attrs_b.varray.get_internal_span();
+
+    if (attrs_span_a.size() != attrs_span_b.size()) {

@@ -412,0 +487,4 @@
+      return false;
+    }
+
+    bool attrs_equal = true;

@@ -412,0 +520,4 @@
+    const Span<FramesMapKey> &keys = layer->sorted_keys();
+    Vector<FramesMapKey> frames_to_delete = {};
+
+    for (size_t i = 0; i < keys.size(); ++i) {

@@ -412,0 +525,4 @@
+        break;
+      }
+
+      FramesMapKey current = keys[i];

@@ -413,0 +429,4 @@
+    }
+  }
+
+  return true;

@@ -413,0 +481,4 @@
+    GAttributeReader attrs_b = attributes_b.lookup(id);
+
+    if (!attributes_varrays_are_equal(attrs_a, attrs_b)) {
+      return false;

@@ -413,0 +515,4 @@
+    }
+
+    const Span<FramesMapKey> &keys = layer->sorted_keys();
+    Vector<FramesMapKey> frames_to_delete = {};

@@ -413,0 +489,4 @@
+    attribute_math::convert_to_static_type(attrs_a.varray.type(), [&](auto dummy) {
+      using T = decltype(dummy);
+
+      attributes_are_equal = attributes_elements_are_equal<T>(attrs_a, attrs_b);