When you click your right mouse button over the input image you will get this popup menu:
Saves a cropped image as an image file. When you save first picture in current session program will
prompt you for file folder, file name and file type. When file is saved with this option file name is
autoincremented and all following files will be saved to the same folder with incremented names. To
change format of saving use a General Tab of the Preferences Screen.
Show next picture in the current folder.
Show previous picture in the current folder.
Rotate Crop Area
This will rotate the cropping border to 90 degrees.
Save crop as...
Saves a cropped image as an image file. When file is saved with this option you may set a file name, file
type and path manually.
Rotate 90 CW
This will rotate input picture 90° clockwise.
Rotate 90 CCW
This will rotate input picture 90° counterclockwise.
This will rotate input picture 180°.
Rotate 0 (Restore)
This will Restore initial picture orientation if it was rotated.
This is useful option if you need to repeat rotation to last used angle.
This will expand input area to maximum. A keyboard shortcut for this option is Ctrl-A.
This will give you a submenu with few most used crop area aspects: