AbstractCurves provides you 2 view modes. They are combined into a group of 2 items, located vertically above the preview area.
The group contains:
1. Original
To toggle this mode, click on the 'Original' inscription above the preview area. This can be useful if during your working process you wish to see how the original image looks like. Also you can switch this mode on, by pressing 1 on your keyboard.
Note: If you create a new image, the original will be a blank canvas filled with a background color.
2. Processed
To choose this mode, simply click the 'Processed' inscription above the preview area. Using this mode, you can see the result of a preset work. Also you can enter this mode, by pressing 2 on your keyboard.