Bug correction

src/WorkArea.cpp

@@ -63,7 +63,7 @@ void
 WorkArea::paint (QPainter & painter)
 {
   if (img != NULL)
-    painter.drawImage (50, 50, *img);
+    painter.drawImage (0, 0, *img);
 
   for (int i = 0; i < liste_points.length (); i++)
     {