From 17fd8ffa6f014fbbb5e5c85c35d06f5b1447407e Mon Sep 17 00:00:00 2001
From: kradchen <chenhuijun@eq9hj.com>
Date: Wed, 23 Jul 2025 13:38:08 +0800
Subject: [PATCH] fix: fix a memory leak bug, in measure for text actor

---
 src/src/Rendering/Measure/EllipseAnnotationActor.cpp  | 4 ++++
 src/src/Rendering/Measure/OpenPolyAnnotationActor.cpp | 5 +++++
 src/src/Rendering/Measure/RoundAnnotationActor.cpp    | 4 ++++
 3 files changed, 13 insertions(+)

diff --git a/src/src/Rendering/Measure/EllipseAnnotationActor.cpp b/src/src/Rendering/Measure/EllipseAnnotationActor.cpp
index 7428cb1..6431da3 100644
--- a/src/src/Rendering/Measure/EllipseAnnotationActor.cpp
+++ b/src/src/Rendering/Measure/EllipseAnnotationActor.cpp
@@ -142,6 +142,10 @@ EllipseAnnotationActor::~EllipseAnnotationActor() {
     controlP_rt = nullptr;
     controlP_lb = nullptr;
     controlP_rb = nullptr;
+    if (text) {
+        text->Delete();
+        text = nullptr;
+    }
 }
 
 void EllipseAnnotationActor::SetRenderer(vtkRenderer *ren) {
diff --git a/src/src/Rendering/Measure/OpenPolyAnnotationActor.cpp b/src/src/Rendering/Measure/OpenPolyAnnotationActor.cpp
index 65ef248..af7be06 100644
--- a/src/src/Rendering/Measure/OpenPolyAnnotationActor.cpp
+++ b/src/src/Rendering/Measure/OpenPolyAnnotationActor.cpp
@@ -140,6 +140,11 @@ OpenPolyAnnotationActor::~OpenPolyAnnotationActor() {
         p->Delete();
     });
     controlPointList.clear();
+    if (text)
+    {
+        text->Delete();
+        text=nullptr;
+    }
 }
 
 void OpenPolyAnnotationActor::selfDragCb(vtkObject *, unsigned long event, void *data) {
diff --git a/src/src/Rendering/Measure/RoundAnnotationActor.cpp b/src/src/Rendering/Measure/RoundAnnotationActor.cpp
index b3cf534..e89f472 100644
--- a/src/src/Rendering/Measure/RoundAnnotationActor.cpp
+++ b/src/src/Rendering/Measure/RoundAnnotationActor.cpp
@@ -153,6 +153,10 @@ RoundAnnotationActor::~RoundAnnotationActor() {
     controlP_rt = nullptr;
     controlP_lb = nullptr;
     controlP_rb = nullptr;
+    if (text) {
+        text->Delete();
+        text = nullptr;
+    }
 }
 
 void RoundAnnotationActor::SetRenderer(vtkRenderer *ren) {