From a741778dabd2025f662620475539dd9ca1f9bbb0 Mon Sep 17 00:00:00 2001
From: Hermet Park <hermetpark@gmail.com>
Date: Sat, 2 Mar 2024 06:26:51 +0900
Subject: [PATCH] saver: ++robustness

do not delete the given picture if the reference counting is
more than 0.
---
 src/renderer/tvgSaver.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/renderer/tvgSaver.cpp b/src/renderer/tvgSaver.cpp
index efee3aa1..a5eaefc0 100644
--- a/src/renderer/tvgSaver.cpp
+++ b/src/renderer/tvgSaver.cpp
@@ -22,6 +22,7 @@
 
 #include "tvgCommon.h"
 #include "tvgSaveModule.h"
+#include "tvgPaint.h"
 
 #ifdef THORVG_TVG_SAVER_SUPPORT
     #include "tvgTvgSaver.h"
@@ -123,7 +124,7 @@ Result Saver::save(unique_ptr<Paint> paint, const string& path, uint32_t quality
 
     //Already on saving an other resource.
     if (pImpl->saveModule) {
-        delete(p);
+        if (P(p)->refCnt == 0) delete(p);
         return Result::InsufficientCondition;
     }
 
@@ -132,12 +133,12 @@ Result Saver::save(unique_ptr<Paint> paint, const string& path, uint32_t quality
             pImpl->saveModule = saveModule;
             return Result::Success;
         } else {
-            delete(p);
+            if (P(p)->refCnt == 0) delete(p);
             delete(saveModule);
             return Result::Unknown;
         }
     }
-    delete(p);
+    if (P(p)->refCnt == 0) delete(p);
     return Result::NonSupport;
 }