From b64e57a02381bffed33147eedf59d7bf42ab7049 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Michal=20Mal=C3=BD?= <madcatxster@prifuk.cz>
Date: Tue, 19 Nov 2013 21:51:15 +0100
Subject: [PATCH] Delete pixmaps on GraphView destruction (memory leak).

---
 gui/graphview.cpp | 10 ++++++++++
 gui/graphview.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/gui/graphview.cpp b/gui/graphview.cpp
index 602aa86..6aa98f5 100644
--- a/gui/graphview.cpp
+++ b/gui/graphview.cpp
@@ -576,3 +576,13 @@ void GraphView::onUpdateGraph(double* data, size_t len, double min, double max)
   this->drawGraph();
   this->update();
 }
+
+GraphView::~GraphView()
+{
+  if (m_backbuffer != nullptr)
+    delete m_backbuffer;
+  if (m_plainGraph != nullptr)
+    delete m_plainGraph;
+  if (m_drawData != nullptr)
+    delete[] m_drawData;
+}
diff --git a/gui/graphview.h b/gui/graphview.h
index d0c37a7..c26f034 100644
--- a/gui/graphview.h
+++ b/gui/graphview.h
@@ -39,6 +39,7 @@ public:
   };
 
   explicit GraphView(QWidget* parent = nullptr);
+  ~GraphView();
   void leaveEvent(QEvent* );
   void mouseDoubleClickEvent(QMouseEvent* );
   void mouseMoveEvent(QMouseEvent* ev);
-- 
2.43.5