How to resize the size of Q3IconViewItem to QIconView size.

Dear All!

Code:

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QPixmap media("1.jpg");
Q3IconViewItem *mediaitem= new Q3IconViewItem(iconView, "This is a icon");        
media=media.scaled ( mediaitem->width(),mediaitem->height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
mediaitem->setPixmap(media);

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How to set this media icon to the size of iconview.