<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>