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examples/widgets/painting/affine/xform.html Normal file
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<html>
<center>
<h2>Affine Transformations</h2>
</center>
<p>In this demo we demonstrate Qt's ability to perform affine transformations
on painting operations.</p>
<p>Transformations can be performed on any kind of graphics drawn using
QPainter. The transformations used to display the vector graphics, images,
and text can be adjusted in the following ways:</p>
<ul>
<li>Dragging the red circle in the centre of each drawing moves it to a new
position.</li>
<li>Dragging the displaced red circle causes the current drawing to be
rotated about the central circle. Rotation can also be controlled with
the <b>Rotate</b> slider.</li>
<li>Scaling is controlled with the <b>Scale</b> slider.</li>
<li>Each drawing can be sheared with the <b>Shear</b> slider.</li>
</ul>
</html>