title: Rotate also resizes?
body: <p>I have this xaml</p>
  
  <pre><code>    &lt;Image Width="240" Height="240"&gt;                
          &lt;Image.Source&gt;                    
              &lt;DrawingImage&gt;
                  &lt;DrawingImage.Drawing&gt;
                      &lt;DrawingGroup&gt;
                          &lt;DrawingGroup&gt;
                              &lt;DrawingGroup&gt;
                                  &lt;DrawingGroup.Transform&gt;
                                      &lt;TransformGroup&gt;
                                          &lt;RotateTransform Angle="-15" CenterX="120" CenterY="120" /&gt;
                                          &lt;TranslateTransform Y="-20" /&gt;
                                      &lt;/TransformGroup&gt;
                                  &lt;/DrawingGroup.Transform&gt;
  
                                  &lt;ImageDrawing ImageSource="Images\pNxVK.png" Rect="0,0,240,240" /&gt;
                              &lt;/DrawingGroup&gt;
  
                              &lt;DrawingGroup.ClipGeometry&gt;
                                  &lt;EllipseGeometry Center="120,120" RadiusX="60" RadiusY="60" /&gt;
                              &lt;/DrawingGroup.ClipGeometry&gt;
                          &lt;/DrawingGroup&gt;
  
                          &lt;DrawingGroup&gt;
                              &lt;DrawingGroup&gt;
                                  &lt;!--&lt;DrawingGroup.Transform&gt;
                                      &lt;RotateTransform Angle="-15" CenterX="120" CenterY="120" /&gt;
                                  &lt;/DrawingGroup.Transform&gt;--&gt;
                                  &lt;ImageDrawing ImageSource="Images\zUr8D.png" Rect="0,0,240,240" /&gt;
                              &lt;/DrawingGroup&gt;                                        
                              &lt;ImageDrawing ImageSource="Images\XPZW9.png" Rect="0,0,240,240" /&gt;
                          &lt;/DrawingGroup&gt;                                
                      &lt;/DrawingGroup&gt;
                  &lt;/DrawingImage.Drawing&gt;
              &lt;/DrawingImage&gt;
          &lt;/Image.Source&gt;
      &lt;/Image&gt;
  </code></pre>
  
  <p>The result of that xaml is (Correct size)</p>
  
  <p><img src="https://i.stack.imgur.com/697uv.png" alt="enter image description here"></p>
  
  <p>If I uncomment the rotate transform in the xaml above i get this (Wrong size)
  <img src="https://i.stack.imgur.com/ihrul.png" alt="enter image description here"></p>