- The button provides the standard image window mode with two tabs: Original and Processing.
- The buttons and divide the main window into two parts, vertically or horizontally, respectively. The original and processed images become partially visible and the tabs are combined to form the whole picture.
With this arrangement, it's possible to drag the splitter changing the aspect ratio between the Original and Processing parts.
- The buttons and split the main window into two parts, vertically or horizontally, as well. However, in contrast to the previous option, the windows display the same fragment of the image before and after processing.