What do you think this part of the code does?
Qt Code: 
  1. img.scaled(img.size(),Qt::KeepAspectRatio)
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What is the correct way to do it?
As you know I have fixed size rectangle,
Qt Code: 
  1. QRect(60,0,120,60)
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And I want to display the image in this rectangle with it's aspect ratio maintained.

I.e. in words, what do you expect as the return value of img.scaled()?
A scaled Image . Right?