how to rotate a rectangular region of awidget [Archive]

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babu198649

17th March 2008, 07:12

hi
how to rotate a part of the rectangular area inside widgets area.

suppose a widget has a size of QRect(0,0 700x500) now if i want to rotate the area of rectangle QRect(10,10,30,20) with respect to QPoint(10,10) , how to rotate it.

wysota

17th March 2008, 07:26

See QMatrix or QTransform.

WinchellChung

17th March 2008, 13:39

You may or may not find this code useful.
Go to
http://labs.trolltech.com/page/Graphics/Examples
and use Subversion to fetch QTransform 2
When the demo is set to rotate around the Z axis, it is probably doing what you want.