Artistic Page
At the top of the tool page is the Image preview
Convert to grey map
The Standard option produce the same transformation as a conversion to a PGM file (Portable Grey Map format).
The Contrast option let you the choice of various intensities of contrast.
The effect is directly visible but it is just a preview. Click on the button Apply to apply the effect on the original image.
You can reverse the transformation with the button Cancel.
The change appears into the Historic tool box.

Toning
The sepia or the blue toning can be set with various intensities of contrast.
The effect is directly visible but it is just a preview. Click on the button Apply to apply the effect on the original image.
You can reverse the transformation with the button Cancel.
The change appears into the Historic tool box.

Laplacian
This filter produce an effect of pencil drawing.
The intensity can be fixed with the slider or the button + or -
Click on the button Apply to see the change.
You can reverse the transformation with the button Cancel.
The change appears into the Historic tool box.

At the bottom of the tool page is the Historic tool box.