rotate image in Qpainter

[Parvat]

I want to rotate a particular image that is drawn in QRectf this my code ,I DO GET THE IMAGE but when i try to rotate it gets rotate outside the rectangle.
help me out guys.

QPainter painter(this);
 
   painter.setPen(Qt::yellow);
   painter.setPen(Qt::DashDotDotLine);
   QRectF rectangle( 10.0, 50.0, 400, 400 );
    painter.drawRect( rectangle );
    QRectF Rect( 10.0, 50.0, 400.0, 400 );
   painter.rotate(90);
   painter.drawImage( Rect, myImage );

QPainter painter(this);

   painter.setPen(Qt::yellow);
   painter.setPen(Qt::DashDotDotLine);
   QRectF rectangle( 10.0, 50.0, 400, 400 );
    painter.drawRect( rectangle );
    QRectF Rect( 10.0, 50.0, 400.0, 400 );
   painter.rotate(90);
   painter.drawImage( Rect, myImage );

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