Merge pull request 'fix: 修复 GiDrawUtility::DrawPipe 每次画管泄漏 region' (#61) from home-lenovo-legion-r9000/fix/gidrawutility-pipe-region-leak into main

Reviewed-on: #61
Reviewed-by: gjm <littleoldpan@163.com>

SourceCode/Code2026/AecRxBase/GiDrawUtility.cpp

@@ -674,7 +674,6 @@ AcDbEntity* GiDrawUtility::DrawPipe(const AcGePoint3d& ptFrom
 {
 	AcDbCircle Cir1(AcGePoint3d::kOrigin, AcGeVector3d::kZAxis, dRadius);
 
-	if (!createRegion(&Cir1)) return NULL;
 	AcDbRegion *pBig = createRegion(&Cir1);
 	if (!pBig) return NULL;
 
@@ -683,7 +682,11 @@ AcDbEntity* GiDrawUtility::DrawPipe(const AcGePoint3d& ptFrom
 	{
 		AcDbCircle Cir2(AcGePoint3d::kOrigin, AcGeVector3d::kZAxis, dRadius - dThick);
 		pSml = createRegion(&Cir2);
-		if (!pSml) return NULL;
+		if (!pSml)
+		{
+			DELETE_PTR(pBig);
+			return NULL;
+		}
 	}
 
 	// 这里做一个布尔减
@@ -696,6 +699,7 @@ AcDbEntity* GiDrawUtility::DrawPipe(const AcGePoint3d& ptFrom
 			DELETE_PTR(pSml);
 			return NULL;
 		}
+		DELETE_PTR(pSml);
 	}
 
 	AcDbRegion *pRegion(pBig);