[Qt-interest] Qt Qbrush issue

[Ramesh]

What is the difference in the following code,

 

  QGraphicsScene * scence = new QGraphicsScene();

   

   QBrush *brush = new QBrush((QColor(60,20,20)));

   scence->setBackgroundBrush(*brush);

   

   QGraphicsView *view = new QGraphicsView();

   view->setScene(scence);

   //view->setBackgroundBrush(*brush);

   //view->setCacheMode(QGraphicsView::CacheBackground);

   view->showFullScreen();

 

gives  black color background

 

 

  QGraphicsScene * scence = new QGraphicsScene();

   

   QBrush *brush = new QBrush();

   brush->setColor(QColor(60,20,20));

   scence->setBackgroundBrush(*brush);

   

   QGraphicsView *view = new QGraphicsView();

   view->setScene(scence);

   //view->setBackgroundBrush(*brush);

   //view->setCacheMode(QGraphicsView::CacheBackground);

   view->showFullScreen();

 

it gives nothing.

 

 


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