examples: ++safety.

Guarantee the resource free at the termination.

src/examples/AnimateMasking.cpp

@@ -200,6 +200,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/Animation.cpp

@@ -191,6 +191,9 @@ int main(int argc, char **argv)
         }
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/CustomTransform.cpp

@@ -210,6 +210,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/DirectUpdate.cpp

@@ -63,6 +63,7 @@ void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
 
     /* Update shape directly.
        You can update necessary properties of this shape. */
+       canvas->clear(false);
 
     //Reset Shape
     if (pShape->reset() == tvg::Result::Success) {
@@ -197,6 +198,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/ImageScaleDown.cpp

@@ -182,6 +182,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/ImageScaleUp.cpp

@@ -182,6 +182,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/Performance.cpp

@@ -30,6 +30,7 @@ static tvg::Picture* pPicture = nullptr;
 static double updateTime = 0;
 static double accumulateTime = 0;
 static uint32_t cnt = 0;
+static bool reqSync = false;
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {
@@ -51,17 +52,21 @@ void tvgDrawCmds(tvg::Canvas* canvas)
 
 void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
 {
-    if (!canvas) return;
+    if (!canvas || reqSync) return;
+
+    canvas->clear(false);
 
     pPicture->translate(WIDTH * progress * 0.05f, HEIGHT * progress * 0.05f);
 
     auto before = ecore_time_get();
 
-    canvas->update(pPicture);
+    canvas->update();
 
     auto after = ecore_time_get();
 
     updateTime = after - before;
+
+    reqSync = true;
 }
 
 
@@ -100,6 +105,7 @@ void drawSwView(void* data, Eo* obj)
 
     if (swCanvas->draw() == tvg::Result::Success) {
         swCanvas->sync();
+        reqSync = false;
     }
 
     auto after = ecore_time_get();
@@ -193,6 +199,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/Retaining.cpp

@@ -189,15 +189,20 @@ int main(int argc, char **argv)
 
         elm_init(argc, argv);
 
+        Ecore_Timer* timer;
+
         if (tvgEngine == tvg::CanvasEngine::Sw) {
             auto view = createSwView();
-            ecore_timer_add(0.33, timerSwCb, view);
+            timer = ecore_timer_add(0.33, timerSwCb, view);
         } else {
             auto view = createGlView();
-            ecore_timer_add(0.33, timerGlCb, view);
+            timer = ecore_timer_add(0.33, timerGlCb, view);
         }
 
         elm_run();
+
+        ecore_timer_del(timer);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/SceneTransform.cpp

@@ -231,6 +231,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/Transform.cpp

@@ -188,6 +188,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine

src/examples/Update.cpp

@@ -176,6 +176,9 @@ int main(int argc, char **argv)
         elm_transit_go(transit);
 
         elm_run();
+
+        elm_transit_del(transit);
+
         elm_shutdown();
 
         //Terminate ThorVG Engine